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Colcuc C, Miersbach M, Cienfuegos M, Grüneweller N, Vordemvenne T, Wähnert D. Comparison of virtual reality and computed tomography in the preoperative planning of complex tibial plateau fractures. Arch Orthop Trauma Surg 2024:10.1007/s00402-024-05348-9. [PMID: 38703213 DOI: 10.1007/s00402-024-05348-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 04/16/2024] [Indexed: 05/06/2024]
Abstract
INTRODUCTION Preoperative planning is a critical step in the success of any complex surgery. The pur-pose of this study is to evaluate the advantage of VR glasses in surgical planning of complex tibial plateau fractures compared to CT planning. MATERIALS AND METHODS Five orthopedic surgeons performed preoperative planning for 30 fractures using either conventional CT slices or VR visualization with a VR headset. Planning was performed in a randomized order with a 3-month interval between planning sessions. A standardized questionnaire assessed planned operative time, planning time, fracture classification and understanding, and surgeons' subjective confidence in surgical planning. RESULTS The mean planned operative time of 156 (SD 47) minutes was significantly lower (p < 0.001) in the VR group than in the CT group (172 min; SD 44). The mean planning time in the VR group was 3.48 min (SD 2.4), 17% longer than in the CT group (2.98 min, SD 1.9; p = 0.027). Relevant parameters influencing planning time were surgeon experience (-0.61 min) and estimated complexity of fracture treatment (+ 0.65 min). CONCLUSION The use of virtual reality for surgical planning of complex tibial plateau fractures resulted in significantly shorter planned operative time, while planning time was longer compared to CT planning. After VR planning, more surgeons felt (very) well prepared for surgery.
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Affiliation(s)
- Christian Colcuc
- Bielefeld University, Medical School and University Medical Center OWL, Protestant Hospital of the Bethel Foundation, Department of Trauma and Orthopaedic Surgery, Burgsteig 13, 33617, Bielefeld, Germany
| | - Marco Miersbach
- Bielefeld University, Medical School and University Medical Center OWL, Protestant Hospital of the Bethel Foundation, Department of Trauma and Orthopaedic Surgery, Burgsteig 13, 33617, Bielefeld, Germany
| | - Miguel Cienfuegos
- Bielefeld University, Center for Cognitive Interaction Technology CITEC, Universitätsstraße 25, 33615, Bielefeld, Germany
| | - Niklas Grüneweller
- Bielefeld University, Medical School and University Medical Center OWL, Protestant Hospital of the Bethel Foundation, Department of Trauma and Orthopaedic Surgery, Burgsteig 13, 33617, Bielefeld, Germany
| | - Thomas Vordemvenne
- Bielefeld University, Medical School and University Medical Center OWL, Protestant Hospital of the Bethel Foundation, Department of Trauma and Orthopaedic Surgery, Burgsteig 13, 33617, Bielefeld, Germany
| | - Dirk Wähnert
- Bielefeld University, Medical School and University Medical Center OWL, Protestant Hospital of the Bethel Foundation, Department of Trauma and Orthopaedic Surgery, Burgsteig 13, 33617, Bielefeld, Germany.
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Zampogna B, Parisi FR, Zampoli A, Prezioso A, Vorini F, Laudisio A, Papalia M, Papapietro N, Falez F, Papalia R. Accuracy of two-dimensional digital planning in uncemented primary hip arthroplasty: monocentric analysis of eight hundred implants. Int Orthop 2024:10.1007/s00264-024-06172-x. [PMID: 38622366 DOI: 10.1007/s00264-024-06172-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Accepted: 03/29/2024] [Indexed: 04/17/2024]
Abstract
PURPOSE In the last decades, there has been a refinement in total hip arthroplasty, which allowed surgeons to achieve the highest performance and better patient outcomes. Preoperative planning in primary hip arthroplasty is an essential step that guides the surgeon in restoring the anatomy and biomechanics of the joint. This study aims to evaluate the accuracy of the 2D digital planning, considering cup sizing, stem sizing, and limb length discrepancy. Additionally, we conducted a multivariable analysis of demographic data and comorbidities to find factors influencing preoperative planning. METHODS This retrospective study analyzed the planning accuracy in 800 consecutive uncemented primary total hip arthroplasty. We compared the preoperatively planned total hip arthroplasty with postoperative results regarding the planned component size, the implanted size, and the lower limb length restoration. Therefore, we investigated factors influencing planning accuracy: overweight and obesity, sex, age, past medical history, comorbidities, and implant design. All the surgeries were performed in the posterolateral approach by one expert surgeon who did the preoperative planning. The preoperative planning was determined to be (a) exact if the planned and the implanted components were the same size and (b) accurate if exact ± one size. The restoration of postoperative limb length discrepancy was classified into three groups: ± 3 mm, ± 5 mm, and ± 10 mm. This assessment was performed through a digital method 2D based on a standard hip X-ray. RESULTS This court of 800 implants showed that planning was exact in 60% of the cups and 44% of the stems and was accurate in 94% of the cups and 80% of the stems. The postoperative limb length discrepancy was ± 3 mm in 91% and ± 5 mm in 97%. CONCLUSIONS This study showed preoperative 2D digital planning great precision and reliability, and we demonstrated that it was accurate in 94% of the cups and 80% of the stems. Therefore, the preoperative limb length discrepancy analysis was essential to guarantee the recovery of the operated limb's correct length.
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Affiliation(s)
- Biagio Zampogna
- Department of Orthopaedic and Trauma Surgery, Università Campus Bio-Medico Di Roma, Rome, Italy
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy
- BIOMORF Department, Biomedical, Dental and Morphological and Functional Images, University of Messina. A.O.U. Policlinico "G.Martino", Messina, Italy
| | - Francesco Rosario Parisi
- Department of Orthopaedic and Trauma Surgery, Università Campus Bio-Medico Di Roma, Rome, Italy
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy
| | - Andrea Zampoli
- Department of Orthopaedic and Trauma Surgery, Università Campus Bio-Medico Di Roma, Rome, Italy
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy
| | - Anna Prezioso
- Department of Orthopaedic and Trauma Surgery, Università Campus Bio-Medico Di Roma, Rome, Italy
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy
| | - Ferruccio Vorini
- Department of Orthopaedic and Trauma Surgery, Università Campus Bio-Medico Di Roma, Rome, Italy
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy
| | - Alice Laudisio
- Department of Medicine, Research Unit of Geriatrics, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, 00128, Roma, Italy.
- Fondazione Policlinico Universitario Campus Bio-Medico, Operative Research Unit of Geriatrics, Via Alvaro del Portillo, 200, 00128, Roma, Italy.
| | - Matteo Papalia
- Orthopaedic and Traumatology Department, Nuova Itor Clinic, Rome, Italy
| | - Nicola Papapietro
- Department of Orthopaedic and Trauma Surgery, Università Campus Bio-Medico Di Roma, Rome, Italy
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy
| | - Francesco Falez
- Department of Orthopaedics and Traumatology, ASL Roma 1, S. Filippo Neri Hospital, Rome, Italy
| | - Rocco Papalia
- Department of Orthopaedic and Trauma Surgery, Università Campus Bio-Medico Di Roma, Rome, Italy
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy
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Szychta P. Optimizing precision rhinoplasty: comprehensive preoperative planning with nasal computed tomography for functional and aesthetic enhancement. Maxillofac Plast Reconstr Surg 2024; 46:10. [PMID: 38526691 DOI: 10.1186/s40902-024-00423-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Accepted: 03/11/2024] [Indexed: 03/27/2024] Open
Abstract
BACKGROUND The evolving field of rhinoplasty increasingly recognizes the importance of clinical expertise over routine preoperative nasal computed tomography (CT) for planning surgical interventions. This study evaluates the clinical utility of preoperative nasal CT in enhancing the precision of open structured rhinoplasty, focusing on both functional and aesthetic outcomes without compromising patient safety through unnecessary radiation exposure. The study aimed to assess the impact of preoperative nasal CT on surgical planning and intraoperative maneuvers. METHODS A prospective cohort study involved patients undergoing open structured rhinoplasty with or without preoperative nasal CT. Participants were divided into a study group, receiving preoperative nasal CT, and a control group, undergoing rhinoplasty without such imaging. Surgical modifications were tailored based on CT findings, with outcomes evaluated through postoperative nasal airflow and aesthetic satisfaction. RESULTS The study included 205 patients in the CT group and 514 in the control group, with comparable demographics. The CT group demonstrated significant improvements in nasal breathing and higher aesthetic satisfaction postoperatively, with a notable decrease in the NOSE score and an increase in the ROE score compared to the control group. Minor complications were observed in a small percentage of the CT group, showcasing a nuanced approach to addressing individual anatomical variations. CONCLUSIONS Preoperative nasal CT in open structured rhinoplasty significantly enhances surgical precision, optimizing functional and aesthetic outcomes. This study underscores the utility of preoperative CT in individualized surgical planning, suggesting its pivotal role in the advancement of rhinoplasty practices. Future research should explore long-term benefits and further validate these findings across diverse populations.
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Affiliation(s)
- Pawel Szychta
- Dr Szychta Clinic chirurgiaplastyczna.pl, Gdansk, Poland.
- Department of Surgical Oncology and Breast Diseases, Polish Mother's Memorial Hospital - Research Institute, Lodz, Poland.
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Xie H, Yi J, Huang Y, Guo R, Liu Y, Kong X, Chai W. Application and evaluation of artificial intelligence 3D preoperative planning software in developmental dysplasia of the hip. J Orthop Surg Res 2024; 19:176. [PMID: 38459538 PMCID: PMC10921675 DOI: 10.1186/s13018-024-04588-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 01/27/2024] [Indexed: 03/10/2024] Open
Abstract
BACKGROUND Accurate preoperative planning is crucial for successful total hip arthroplasty (THA) for developmental dysplasia of the hip (DDH). The aim of this study was to compare the accuracy of an artificial intelligence-assisted three-dimensional (3D) planning system (AIHIP) with two-dimensional templates in predicting acetabular cup size in THA for DDH. METHOD This study retrospectively analyzed image data from 103 DDH patients who had THA between May 2019 and August 2023. AIHIP was used for 3D planning, and two-dimensional (2D) templates were used by two experienced surgeons. Accuracy was assessed by comparing predicted and actual cup sizes, and potential factors affecting accuracy were analyzed, including gender, side, BMI, and dysplasia classification. RESULTS AIHIP had higher accuracy in predicting the acetabular cup size compared to the 2D template. Within ± 0 size, AIHIP's accuracy was 84.1%, while the 2D template's was 64.0% (p < 0.05). Within ± 1 size, AIHIP's accuracy was 95.1%, while the 2D template's was 81.1% (p < 0.05). Accuracy was unaffected by gender, side, or BMI but was by DDH classification. In subgroup analysis, AIHIP's mean absolute error (0.21 ± 0.54) was significantly lower than the 2D template's (0.62 ± 0.95) for Crowe II and Crowe III (p < 0.05). CONCLUSION AIHIP is superior to 2D templates in predicting the acetabular cup size accurately for THA in DDH patients. AIHIP may be especially beneficial for Crowe II and III DDH patients, as 2D templates may not accurately predict cup size in these cases.
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Affiliation(s)
- Hongbin Xie
- School of Medicine, Nankai University, Tianjin, 300071, China
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, 100048, China
- National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Beijing, 100853, China
| | - Jiafeng Yi
- School of Medicine, Nankai University, Tianjin, 300071, China
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, 100048, China
- National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Beijing, 100853, China
| | - Yijian Huang
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, 100048, China
- National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Beijing, 100853, China
- Medical School of Chinese PLA, Beijing, 100853, China
| | - Renwen Guo
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, 100048, China
- National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Beijing, 100853, China
| | - Yubo Liu
- School of Medicine, Nankai University, Tianjin, 300071, China
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, 100048, China
- National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Beijing, 100853, China
| | - Xiangpeng Kong
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, 100048, China.
- National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Beijing, 100853, China.
| | - Wei Chai
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, 100048, China.
- National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Beijing, 100853, China.
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Kakinuma K, Osawa SI, Katsuse K, Hosokawa H, Ukishiro K, Jin K, Niizuma K, Tominaga T, Endo H, Nakasato N, Suzuki K. Assessment of language lateralization in epilepsy patients using the super-selective Wada test. Acta Neurochir (Wien) 2024; 166:77. [PMID: 38340149 PMCID: PMC10858922 DOI: 10.1007/s00701-024-05957-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 12/28/2023] [Indexed: 02/12/2024]
Abstract
BACKGROUND The classical Wada test (cWada), performed by injecting a short-acting anesthetic through the intracarotid route, helps determine language dominance. In the cWada, adverse effects are observed in 10-30% of trials, hindering accurate assessments. In this study, we assessed the effectiveness of the super-selective Wada test (ssWada), a more selective approach for anesthetic infusion into the middle cerebral artery (MCA). METHODS We retrospectively examined the data of 17 patients with epilepsy who underwent ssWada via anesthetic injection into one M1 segment of the MCA and at least one contralateral trial. RESULTS The ssWada identified 12 patients with left language dominance, 3 with right language dominance, and 2 with bilateral language distribution. Nine trials on the language dominant side resulted in global aphasia for patients with left- or right language dominance. Of the 13 trials conducted on the non-dominant language side, 12 revealed intact language function and one resulted in confusion. Among these, the outcomes of global aphasia or no language impairment were confirmed in the contralateral trials. Among the 22 trials of unilateral M1 injections in patients with unilateral language dominance, 21 (95.5%) showed either global aphasia or no language impairment, indicating language dominance. CONCLUSIONS The ssWada yields clear results, with a high rate of over 90% in determining the language dominant hemisphere with few side effects.
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Affiliation(s)
- Kazuo Kakinuma
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, 2-1 Seiryo, Aoba-ku, Sendai, 980-8575, Japan.
| | - Shin-Ichiro Osawa
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Aoba-ku, Sendai, Japan
| | - Kazuto Katsuse
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, 2-1 Seiryo, Aoba-ku, Sendai, 980-8575, Japan
- Department of Neurology, The University of Tokyo Graduate School of Medicine Faculty of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Hiroaki Hosokawa
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, 2-1 Seiryo, Aoba-ku, Sendai, 980-8575, Japan
- Department of Rehabilitation, National Hospital Organization Sendai Nishitaga Hospital, Taihaku-ku, Sendai, Japan
| | - Kazushi Ukishiro
- Department of Epileptology, Tohoku University Graduate School of Medicine, Aoba-ku, Sendai, Japan
| | - Kazutaka Jin
- Department of Epileptology, Tohoku University Graduate School of Medicine, Aoba-ku, Sendai, Japan
| | - Kuniyasu Niizuma
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Aoba-ku, Sendai, Japan
- Department of Neurosurgical Engineering and Translational Neuroscience, Tohoku University Graduate School of Biomedical Engineering, Aoba-ku, Sendai, Japan
- Department of Neurosurgical Engineering and Translational Neuroscience, Tohoku University Graduate School of Medicine, Aoba-ku, Sendai, Japan
| | - Teiji Tominaga
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Aoba-ku, Sendai, Japan
| | - Hidenori Endo
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Aoba-ku, Sendai, Japan
| | - Nobukazu Nakasato
- Department of Epileptology, Tohoku University Graduate School of Medicine, Aoba-ku, Sendai, Japan
| | - Kyoko Suzuki
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, 2-1 Seiryo, Aoba-ku, Sendai, 980-8575, Japan
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Anwar A, Zhang Y, Zhang Z, Li J. Artificial intelligence technology improves the accuracy of preoperative planning in primary total hip arthroplasty. Asian J Surg 2024:S1015-9584(24)00186-6. [PMID: 38342724 DOI: 10.1016/j.asjsur.2024.01.133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 12/27/2023] [Accepted: 01/26/2024] [Indexed: 02/13/2024] Open
Abstract
OBJECTIVE Successful total hip arthroplasty relies on accurate preoperative planning. However, the conventional preoperative planning, a two-dimensional method using X-ray template, has shown poor reliability of predicting component size. To our knowledge, artificial intelligence technology assisted three-dimensional preoperative planning is promising to improve the accuracy of preoperative planning but there is a dearth of clinical evidence. Therefore, in this study we compared the prediction accuracy of these two maneuvers. METHODS We conducted a prospective study consisting of 117 consecutive patients who underwent a primary cementless total hip arthroplasty to compare the prediction accuracy of these two methods. The two-dimensional and artificial intelligence assisted three-dimensional planning results of the same patient were compared with the definitive implant size respectively. RESULTS The prediction accuracy of artificial intelligence assisted three-dimensional planning for cup and the stem sizes were 66.67% (78/117) and 65.81% (77/117), two-dimensional planning was 30.77% (36/117) and 37.61% (44/117) (p < 0.05). There were poor prediction results of two-dimensional planning in patients with hip dysplasia (p = 0.004, OR = 7.143) and excessive femoral anteversion (p = 0.012, OR = 1.052), meanwhile the failure risk of stem side two-dimensional planning increased as patients got older (p = 0.003, OR = 1.118). The accuracy of artificial intelligence assisted three-dimensional planning cannot be affected by above factors. CONCLUSIONS We confirmed that artificial intelligence assisted three-dimensional preoperative planning showed higher accuracy and stability than two-dimensional preoperative planning in primary cementless total hip arthroplasty. We believe artificial intelligence assisted three-dimensional preoperative planning technology provides surgeons a new reliable choice and offers advantages whether in simple or complicated cases.
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Affiliation(s)
- Adeel Anwar
- Department of Orthopedics, The First Affiliated Hospital of Dalian Medical University, Dalian, 116021, PR China.
| | - Yufang Zhang
- Zhengzhou Railway Vocational and Technical College, No.56, Pengcheng Avenue, Zhengdong New District, Zhengzhou, Henan, PR China.
| | - Zhen Zhang
- Department of Orthopedics, The First Affiliated Hospital of Dalian Medical University, Dalian, 116021, PR China.
| | - Jie Li
- Department of Orthopedics, The First Affiliated Hospital of Dalian Medical University, Dalian, 116021, PR China.
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Druel T, Vanpoulle G, Michard R, Barbary S, Gazarian A, Walch A, Tchurukdichian A. Influence of the anatomy of the proximal articular surface of the trapezium (PAST) and the trapezoidal articular surface of the trapezium (TRAST) in cup placement during trapeziometacarpal arthroplasty. Hand Surg Rehabil 2024; 43:101630. [PMID: 38185367 DOI: 10.1016/j.hansur.2023.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 12/11/2023] [Accepted: 12/12/2023] [Indexed: 01/09/2024]
Abstract
The influence of the anatomy of the proximal articular surface of the trapezium (PAST) and the trapezoidal articular surface of the trapezium (TRAST) on cup placement during trapeziometacarpal arthroplasty was retrospectively evaluated on 56 preoperative anteroposterior radiographs of patients who underwent surgery for trapeziometacarpal osteoarthritis. The percentage coverage of the prosthetic cup by the PAST and the available height of the trapezium were calculated. In 39% of cases, there was a significant difference (up to a mean 4.5 mm, p < 0.001) between the radial height of the trapezium (which is usually considered) and the available height of the trapezium. The anatomy of the PAST and the TRAST has an impact on the placement of the prosthetic cup when trapezium height is low. The results of the present study suggest that these considerations must be known by all operators performing trapeziometacarpal arthroplasty; that lateralization, implant suspension, or surgical alternatives should be considered to prevent several intra- and postoperative surgical complications. Level of evidence: IV.
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Affiliation(s)
- Thibault Druel
- Hôpital Edouard Herriot, Hospices Civil de Lyon, 5 Place d'Arsonval, 69003 Lyon, France.
| | - Gaetan Vanpoulle
- Hôpital Edouard Herriot, Hospices Civil de Lyon, 5 Place d'Arsonval, 69003 Lyon, France
| | - Romain Michard
- Hôpital Edouard Herriot, Hospices Civil de Lyon, 5 Place d'Arsonval, 69003 Lyon, France
| | | | - Aram Gazarian
- Hôpital Edouard Herriot, Hospices Civil de Lyon, 5 Place d'Arsonval, 69003 Lyon, France; Clinique du Parc, 155 Boulevard Stalingrad, 69006 Lyon, France
| | - Arnaud Walch
- Hôpital Edouard Herriot, Hospices Civil de Lyon, 5 Place d'Arsonval, 69003 Lyon, France
| | - Alain Tchurukdichian
- Hôpital Edouard Herriot, Hospices Civil de Lyon, 5 Place d'Arsonval, 69003 Lyon, France; Hôpital Privé Dijon Bourgogne, 22 Avenue Françoise Giroud, 21000 Dijon, France
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Robertson DJ, Abramson ZR, Davidoff AM, Bramlet MT. Virtual reality applications in pediatric surgery. Semin Pediatr Surg 2024; 33:151387. [PMID: 38262206 DOI: 10.1016/j.sempedsurg.2024.151387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2024]
Abstract
Virtual reality modeling (VRM) is a 3-dimensional (3D) simulation. It is a powerful tool and has multiple uses and applications in pediatric surgery. Patient-specific 2-dimensional imaging can be used to generate a virtual reality model, which can improve anatomical perception and understanding, and can aid in preoperative planning for complex operations. VRM can also be used for realistic training and simulation. It has also proven effective in distraction for pediatric patients experiencing pain and/or anxiety. We detail the technical requirements and process required for VRM generation, the applications, and future directions.
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Affiliation(s)
- Daniel J Robertson
- Division of Pediatric Surgery, Children's Hospital of Illinois, OSF Healthcare, Peoria, Illinois; University of Illinois College of Medicine, Peoria, Illinois; Jump Simulation Center, Peoria, Illinois.
| | - Zachary R Abramson
- Department of Diagnostic Imaging, St. Jude Children's Research Hospital, Memphis, TN
| | - Andrew M Davidoff
- Department of Surgery, St. Jude Children's Research Hospital, Memphis, TN
| | - Matthew T Bramlet
- University of Illinois College of Medicine, Peoria, Illinois; Jump Simulation Center, Peoria, Illinois; Division of Pediatric Cardiology, Children's Hospital of Illinois, Peoria, Illinois
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Egea-Gámez RM, Galán-Olleros M, González-Menocal A, González-Díaz R. [Translated article] How do I plan adolescent idiopathic scoliosis surgery? Systematization of a preoperative planning method. Rev Esp Cir Ortop Traumatol (Engl Ed) 2024; 68:T73-T85. [PMID: 37981198 DOI: 10.1016/j.recot.2023.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 11/23/2022] [Indexed: 11/21/2023] Open
Abstract
Preoperative planning is essential in adolescent idiopathic scoliosis (AIS) surgery to determine the fusion levels and to perform the procedure with greater precision and diligence. However, the protocolized performance of such planning is not as widespread among specialists in training. The aim of this article is to describe in detail the preoperative planning method for AIS used in a specialised paediatric and adolescent spine unit of a referral centre, as well as the logistics and the tactics, supported a free semi-automatic digital measurement and planning software. Three representative cases of different vertebral deformities, treated by posterior spinal fusion after preoperative planning according to the method, are shown. This method is highly suitable for the trainee surgeon as it combines the advantages of traditional and modern methods, and is simple, low-cost, accessible, reproducible and with an educational character.
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Affiliation(s)
- R M Egea-Gámez
- Unidad de Raquis, Servicio de Cirugía Ortopédica y Traumatología, Hospital Infantil Universitario Niño Jesús, Madrid, Spain
| | - M Galán-Olleros
- Ortopedia Infantil, Servicio de Cirugía Ortopédica y Traumatología, Hospital Infantil Universitario Niño Jesús, Madrid, Spain.
| | - A González-Menocal
- Servicio de Cirugía Ortopédica y Traumatología, Hospital Universitario Infanta Elena, Madrid, Spain
| | - R González-Díaz
- Unidad de Raquis, Servicio de Cirugía Ortopédica y Traumatología, Hospital Infantil Universitario Niño Jesús, Madrid, Spain
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LaCour M, Nguyen TD, Nachtrab J, Bonnin M, Komistek R. Alignment and mechanics evaluation for a compaction broach stem versus a blade style proximal press fit stem using 3-Dimensional planning. J Biomech 2024; 163:111950. [PMID: 38237494 DOI: 10.1016/j.jbiomech.2024.111950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 11/06/2023] [Accepted: 01/10/2024] [Indexed: 02/10/2024]
Abstract
Three-dimensional (3D) preoperative planning tools can be used to help plan and compare component alignment scenarios for different total hip arthroplasty systems to ultimately improve postoperative outcomes and patient satisfaction. The objective of this study is to use 3D preoperative planning tools based on patient-specific bone models to compare two different stem designs, specifically a compaction broach stem and a proximal press fit stem. The planner uses patient-specific proximal femoral bone morphology to suggest a specific implant size and placement. The planner then allows for preoperative predictions of component head positioning, stem fit within the canal, and potential cortical bone reaming that must be done, as well as postoperative predictions of stability and mechanics. The stems were evaluated to determine the accuracy of stem placement, the theoretical volumetric bone removal/reaming required to achieve a desired fit, and the associated postoperative mechanics. This study demonstrated that there was a difference in component alignment and predicted postoperative mechanics between a compaction broach stem and a press fit stem, with the compaction broach stem allowing for more accurate alignment with less required bone removal, resulting in improved postoperative stability and mechanics. This study also demonstrated that much of the stem misalignment for both systems occurred in the anterior/posterior direction. Overall, 3D preoperative planning offers significant benefits and novel intraoperative insight, and the industry should continue to enhance their THA preoperative planning tools.
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Egea-Gámez RM, Galán-Olleros M, González-Menocal A, González-Díaz R. How do I plan adolescent idiopathic scoliosis surgery? Systematization of a preoperative planning method. Rev Esp Cir Ortop Traumatol (Engl Ed) 2024; 68:73-85. [PMID: 36462724 DOI: 10.1016/j.recot.2022.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/22/2022] [Accepted: 11/23/2022] [Indexed: 12/02/2022] Open
Abstract
Preoperative planning is essential in adolescent idiopathic scoliosis (AIS) surgery to determine the fusion levels and to perform the procedure with greater precision and diligence. However, the protocolized performance of such planning is not as widespread among specialists in training. The aim of this article is to describe in detail the preoperative planning method for AIS used in a specialized pediatric and adolescent spine unit of a referral center, as well as the logistics and the tactics, supported a free semi-automatic digital measurement and planning software. Three representative cases of different vertebral deformities, treated by posterior spinal fusion after preoperative planning according to the method, are shown. This method is highly suitable for the trainee surgeon as it combines the advantages of traditional and modern methods, and is simple, low cost, accessible, reproducible and with an educational character.
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Affiliation(s)
- R M Egea-Gámez
- Unidad de Raquis, Servicio de Cirugía Ortopédica y Traumatología, Hospital Infantil Universitario Niño Jesús, Madrid, España
| | - M Galán-Olleros
- Ortopedia Infantil, Servicio de Cirugía Ortopédica y Traumatología, Hospital Infantil Universitario Niño Jesús, Madrid, España.
| | - A González-Menocal
- Servicio de Cirugía Ortopédica y Traumatología, Hospital Universitario Infanta Elena, Madrid, España
| | - R González-Díaz
- Unidad de Raquis, Servicio de Cirugía Ortopédica y Traumatología, Hospital Infantil Universitario Niño Jesús, Madrid, España
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12
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Liu K, Liu Y, Fan Z, Fu D. Accuracy and reproducibility of two-dimensional computed tomography-based positioning of femoral component rotational alignment in preoperative planning for total knee arthroplasty. J Orthop Surg Res 2023; 18:964. [PMID: 38098082 PMCID: PMC10722822 DOI: 10.1186/s13018-023-04466-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 12/12/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND Poor rotation of the femoral component in total knee arthroplasty (TKA) can result in various postoperative complications, underscoring the critical importance of preoperative planning. PURPOSE To improve the accuracy of femoral component positioning during TKA, this study compared the accuracy and repeatability of different two-dimensional (2D) computed tomography (CT) measurement methods for measuring the posterior condylar angle (PCA) in preoperative TKA planning. METHODS A retrospective analysis was conducted on 75 patients (150 knees) who underwent bilateral lower extremity computed tomography angiography (CTA) at Fuyang People's Hospital from January 2021 to July 2021. Three different methods were used to measure the PCA based on 2D CT images (axial CT slices) and three-dimensional(3D) models (femoral models reconstructed from CT data) in this study. Method 1: Single-plane 2D CT measurement, measuring PCA in the most obvious single-plane CT slice of the surgical transepicondylar axis (sTEA); Method 2: multi-plane 2D CT measurement, identifying and locating anatomical landmarks in multiple 2D CT slices and measuring PCA; Method 3: 3D model measurement, measuring PCA in the reconstructed femur 3D model. Compare the differences in PCA measurements between the three measurement methods. A positive PCA measurement was recorded when the sTEA was externally rotated relative to the posterior condylar line (PCL). Any difference exceeding 3° between the PCA measurement in the 2D CT and the PCA reference value in the 3D model was classified as an outlier. The intraclass correlation coefficient (ICC) and Bland-Altman method were utilized to assess the intra- and inter-observer reproducibility of the three measurement methods. RESULTS The PCA measurement in the single-plane 2D CT was 1.91 ± 1.94°, with a measurement error of - 1.22 ± 1.32° and 12.7% of outlier values. In the multi-plane 2D CT, the PCA measurement was 2.96 ± 1.68°, with a measurement error of -0.15 ± 0.91° and 6.0% of outlier values. The PCA measurement in the 3D model was 3.12 ± 1.69°. The PCA measurement in single-plane 2D CT was notably smaller than that in multi-plane 2D CT and 3D models, with no significant difference between the latter two. The multi-plane 2D CT showed significantly lower measurement error and outlier values than the single-plane 2D CT. All three PCA measurement methods exhibited high reproducibility (ICC: 0.93 ~ 0.97). CONCLUSIONS Using of multi-plane 2D CT for measuring PCA in preoperative planning of TKA has high reproducibility and accuracy, with fewer outlier values. We recommend preoperative measurement of PCA using muti-plane 2D CT to improve the accuracy of positioning the femoral component rotational alignment during surgery.
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Affiliation(s)
- Kun Liu
- Fuyang People's Hospital, Anhui Medical University, Fuyang, 236000, Anhui Province, China
| | - Yuandong Liu
- Fuyang People's Hospital, Anhui Medical University, Fuyang, 236000, Anhui Province, China
| | - Zongqing Fan
- Fuyang People's Hospital, Anhui Medical University, Fuyang, 236000, Anhui Province, China.
| | - Donglin Fu
- Fuyang People's Hospital, Anhui Medical University, Fuyang, 236000, Anhui Province, China.
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Cikach F, Sale S, Roselli EE, Pettersson G, Elgharably H. Re-operation for a detached left coronary button from an aortic root conduit causing a large retro-sternal pseudoaneurysm. Multimed Man Cardiothorac Surg 2023; 2023. [PMID: 38058148 DOI: 10.1510/mmcts.2023.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/08/2023]
Abstract
Our goal was to replace the previous composite graft with a bioprosthesis. The approach involved axillary artery and femoral vein cannulation and cardiopulmonary bypass with moderate hypothermia for re-entry of the chest and deep hypothermia with circulatory arrest to get control of and to clamp the aorta when entering the pseudoaneurysm. The myocardial protection strategy was general cooling and retrograde cardioplegia through direct coronary sinus cannulation and antegrade cardioplegia in the coronary ostia when possible. After the pseudoaneurysm was entered, the graft was divided in the middle, and the distal end was dissected out under circulatory arrest sufficiently to allow clamping and to resume systemic circulation. The graft was not dissected out beyond the previous anastomosis. Under another period of circulatory arrest, the distal graft was removed to the mid-arch, and a new graft was attached with a hemiarch anastomosis. Then the root was dissected out, and both coronary ostia were mobilized. The mechanical aortic valve and previous graft material were explanted. A new bioprosthetic valved conduit was used to replace the aortic root, and the coronary buttons were re-implanted directly in the new graft.
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Affiliation(s)
- Frank Cikach
- Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic, Cleveland, OH, USA
| | - Shiva Sale
- Department of Cardiothoracic Anesthesiology, Cleveland Clinic, Cleveland, OH, USA
| | - Eric E Roselli
- Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic, Cleveland, OH, USA
| | - Gosta Pettersson
- Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic, Cleveland, OH, USA
| | - Haytham Elgharably
- Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic, Cleveland, OH, USA
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Ruparelia J, Manjunath N, Nachiappan DS, Raheja A, Suri A. Virtual Reality in Preoperative Planning of Complex Cranial Surgery. World Neurosurg 2023; 180:e11-e18. [PMID: 37307986 DOI: 10.1016/j.wneu.2023.06.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 06/05/2023] [Indexed: 06/14/2023]
Abstract
OBJECTIVE Changing paradigms of neurosurgical training and limited operative exposure during the residency period have made it necessary to evaluate newer technologies for training. Virtual reality (VR) technology provides three-dimensional reconstruction of routine imaging, along with the ability to see as well as interact. The application of VR technology in operative planning, which is an important part of neurosurgical training, has been incompletely studied so far. METHODS Sixteen final-year residents, post-M.Ch. (magister chirurgiae) residents, and fellows were included as study participants. They were divided into 2 groups based on their seniority for further analysis. Five complex cranial cases were selected and a multiple-choice question-based test was prepared by the authors, with 5 questions for each of the cases. The pretest score was determined based on performance on the test after participants accessed routine preoperative imaging. The posttest score was calculated after use of the VR system (ImmersiveTouch VR System, ImmersiveTouch Inc.). Analysis was performed by the investigators, who were blinded to the identity of the participant. Subanalysis based on the type of case and type of question was performed. Feedback was obtained from each participant regarding VR use. RESULTS There was an overall improvement in scores from pretest to posttest, which was also noted in the analysis based on the participants' seniority. This improvement was noted to be more for the vascular cases (15.89%) compared with the tumor cases (7.84%). Participants also fared better in questions related to surgical anatomy and surgical approach, compared with questions based on the diagnosis. There was overall positive feedback from participants regarding VR use, and most participants wanted VR to become a routine part of operative planning. CONCLUSIONS Our study shows that there is improvement in understanding of surgical aspects after use of this VR system.
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Affiliation(s)
- Jigish Ruparelia
- Department of Neurosurgery, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Niveditha Manjunath
- Department of Neurosurgery, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | | | - Amol Raheja
- Department of Neurosurgery, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Ashish Suri
- Department of Neurosurgery, All India Institute of Medical Sciences (AIIMS), New Delhi, India.
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Černý M, Lesáková V, Soukup J, Sedlák V, Šíma L, May M, Netuka D, Štěpánek F, Beneš V. Utility of texture analysis for objective quantitative ex vivo assessment of meningioma consistency: method proposal and validation. Acta Neurochir (Wien) 2023; 165:4203-4211. [PMID: 38044374 DOI: 10.1007/s00701-023-05867-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 10/20/2023] [Indexed: 12/05/2023]
Abstract
BACKGROUND Tumor consistency is considered to be a critical factor for the surgical removal of meningiomas and its preoperative assessment is intensively studied. A significant drawback in the research of predictive methods is the lack of a clear shared definition of tumor consistency, with most authors resorting to subjective binary classification labeling the samples as "soft" and "hard." This classification is highly observer-dependent and its discrete nature fails to capture the fine nuances in tumor consistency. To compensate for these shortcomings, we examined the utility of texture analysis to provide an objective observer-independent continuous measure of meningioma consistency. METHODS A total of 169 texturometric measurements were conducted using the Brookfield CT3 Texture Analyzer on meningioma samples from five patients immediately after the removal and on the first, second, and seventh postoperative day. The relationship between measured stiffness and time from sample extraction, subjectively assessed consistency grade and histopathological features (amount of collagen and reticulin fibers, presence of psammoma bodies, predominant microscopic morphology) was analyzed. RESULTS The stiffness measurements exhibited significantly lower variance within a sample than among samples (p = 0.0225) and significant increase with a higher objectively assessed consistency grade (p = 0.0161, p = 0.0055). A significant negative correlation was found between the measured stiffness and the time from sample extraction (p < 0.01). A significant monotonic relationship was revealed between stiffness values and amount of collagen I and reticulin fibers; there were no statistically significant differences between histological phenotypes in regard to presence of psammoma bodies and predominant microscopic morphology. CONCLUSIONS We conclude that the values yielded by texture analysis are highly representative of an intrinsic consistency-related quality of the sample despite the influence of intra-sample heterogeneity and that our proposed method can be used to conduct quantitative studies on the role of meningioma consistency.
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Affiliation(s)
- Martin Černý
- Department of Neurosurgery and Neurooncology, Military University Hospital, Prague, Czech Republic.
- 1st Faculty of Medicine, Charles University, Prague, Czech Republic.
| | - Veronika Lesáková
- Department of Chemical Engineering, University of Chemistry and Technology, Prague, Czech Republic
| | - Jiří Soukup
- Department of Pathology, Military University Hospital, Prague, Czech Republic
| | - Vojtěch Sedlák
- Department of Radiodiagnostics, Military University Hospital, Prague, Czech Republic
| | - Luděk Šíma
- 1st Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Michaela May
- Department of Neurosurgery and Neurooncology, Military University Hospital, Prague, Czech Republic
| | - David Netuka
- Department of Neurosurgery and Neurooncology, Military University Hospital, Prague, Czech Republic
| | - František Štěpánek
- Department of Chemical Engineering, University of Chemistry and Technology, Prague, Czech Republic
| | - Vladimír Beneš
- Department of Neurosurgery and Neurooncology, Military University Hospital, Prague, Czech Republic
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Sajan M, Moussa MK, Lefèvre N, Payan C, Valentin E, Meyer A, Bohu Y, Khalaf Z, Grimaud O, Gerometta A, Hardy A, Khiami F. Customized-individually-made origin® implants in total knee arthroplasty allow a reliable solution for accurate reproduction of planned implant positioning. J Exp Orthop 2023; 10:123. [PMID: 38015319 PMCID: PMC10684845 DOI: 10.1186/s40634-023-00706-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 11/17/2023] [Indexed: 11/29/2023] Open
Abstract
PURPOSE To evaluate the accuracy and reproducibility of a patient-specific, customized individually made (CIM) total knee replacement (TKR) using the ORIGIN® prosthesis. METHODS This was a prospective study conducted at a University Hospital from January 15, 2019, to April 30, 2021. The study included patients planned for an ORIGIN® CIM TKR procedure. Exclusion criteria included revision surgery, severe deformity, stiffness, or laxity. Evaluations were carried out using computed tomography scans performed 8 weeks preoperatively and 6 weeks postoperatively. The primary outcome measurements were the preoperative, planned, and postoperative CT scan alignment measurements including the Hip-Knee-Ankle (HKA) angle, mechanical Medial Distal Femoral articular surface Angle (mMDFA, distal alpha angle), Posterior Distal femoral articular surface angle (PDFA, posterior alpha angle), mechanical Medial Proximal Tibial articular surface Angle (mMPTA, beta angle) and posterior proximal tibial angle (PPTA). Secondary outcomes included the accuracy of implant positioning with percentage of outliers at 2° and 3° RESULTS: The study encompassed 51 knees from 50 patients with mean age of 68.1 (SD = 8.89). The overall HKA angle deviated by -0.93° [95% CI: -1.45; -0.43], and the PDFA angle by -0.61° [95% CI: -1.07; -0.15], while the mMPTA exceeded planned values by 1.00° [95% CI: 0.57; 1.43]. The 3° outliers rate ranged from 3.9% for the mMPTA to 7.8% for the HKA alignment, with no outliers in mMDFA and PPTA. Similarly, the 2° outliers rate ranged from 15.7% for both the PDFA angle and mMPTA to 19.6% for the HKA alignment. The Bland-Altman plots further emphasized the precision of planned and post-operative angles across all measurements. CONCLUSION The CIM TKR showed high accuracy and reproducibility, closely matching preoperative planning. The weakest accuracy at 3°-outliers is in the reproduction of the HKA alignment at 92.2% (range for all angle: 92.2-100%). Similarly, the weakest accuracy at 2°-outliers is in the reproduction of the HKA alignment at 80.4% (range for all angles: 80.4-92.2%).
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Affiliation(s)
- Martin Sajan
- Hôpital de la Pitié Salpêtrière-AP-HP, 75013, Paris, France
| | - Mohamad K Moussa
- Clinique du sport, 36 Boulevard Saint-Marcel, 75005, Paris, France.
| | - Nicolas Lefèvre
- Clinique du sport, 36 Boulevard Saint-Marcel, 75005, Paris, France
| | | | - Eugénie Valentin
- Clinique du sport, 36 Boulevard Saint-Marcel, 75005, Paris, France
| | - Alain Meyer
- Clinique du sport, 36 Boulevard Saint-Marcel, 75005, Paris, France
| | - Yoann Bohu
- Clinique du sport, 36 Boulevard Saint-Marcel, 75005, Paris, France
| | - Zeinab Khalaf
- Clinique du sport, 36 Boulevard Saint-Marcel, 75005, Paris, France
| | - Olivier Grimaud
- Clinique du sport, 36 Boulevard Saint-Marcel, 75005, Paris, France
| | | | - Alexandre Hardy
- Clinique du sport, 36 Boulevard Saint-Marcel, 75005, Paris, France
| | - Frédéric Khiami
- Clinique du sport, 36 Boulevard Saint-Marcel, 75005, Paris, France
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Ruzon UG, Uliana CS, Tomazini GC, Filho JML, Mizerkowski M, Garcia RE, Abagge M. A standard canulated screw may not fit up to 1/3 of the patients treated percutaneously for anterior column acetabular fractures-A pilot study. Injury 2023; 54 Suppl 6:110723. [PMID: 38143141 DOI: 10.1016/j.injury.2023.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 04/03/2023] [Accepted: 04/11/2023] [Indexed: 12/26/2023]
Abstract
A proper evaluation of the narrowings and length of the anterior acetabular column would offer better predictability and precision for implant insertion in the case of an acetabular fracture. OBJECTIVE To determine the diameter and length of the safety corridor of the anterior column of the acetabulum in patients with available pelvic computed tomography (CT), analyze the obtained measurements against those of a standard 6.5-mm implant, and verify possible sex differences regarding these measurements. A secondary aim was to develop a method for measurement of the anterior column of the acetabulum based on CT images. MATERIALS AND METHODS In 200 CT scans of hemipelvises we measured the diameter of two areas of narrowing and the length of the safety corridor of the anterior column. The images were submitted to multiplanar reformatting adjusted to a plane orthogonal to the bone corridor, drawn at the level of the superior pubic ramus. RESULTS Measurement #1 had a mean value of 8.12 (2.27) mm in the overall sample and median values of 9.03 (7.76-10.48) mm in men and 6.77 (5.44-7.19) mm in women. Measurement #2 had a mean value of 7.29 (2.19) mm and median values of 8.23 (7.18-9.82) mm in men and 5.9 (4.65-7.19) mm in women. Measurement #3 had a mean value of 109.53 (13.66) mm in the overall sample and median values of 117.17 (112.9-122.9) mm in men and 100.91 (90.95-111.17) mm in women (p<0.001 all three measurements). Measurement #1 was smaller than 6.5 mm in 22.5% of the patients (of whom 90% were women). Measurement #2 was smaller than 6.5 mm in 35% of the patients (of whom 80% were women). CONCLUSIONS This study proposed an anatomic evaluation of the anterior column of the acetabulum using conventional CT images The areas of narrowing in the anterior column had an average of 8.12 mm at the level of the pubic tubercle and 7.29 mm at the level of the acetabular fossa. The mean length of the safety corridor was 109.53 mm. In 35% of the cases, a 6.5 mm percutaneous screw would have violated the cortical bone of the safety corridor.
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Affiliation(s)
- Uheyna Gancedo Ruzon
- Complexo Hospitalar do Trabalhador, Av. Rep. Argentina, 4406 - Novo Mundo, Curitiba, PR 81050-000, Brazil
| | - Christiano Saliba Uliana
- Complexo Hospitalar do Trabalhador, Av. Rep. Argentina, 4406 - Novo Mundo, Curitiba, PR 81050-000, Brazil.
| | - Gabriel Canto Tomazini
- Complexo Hospitalar do Trabalhador, Av. Rep. Argentina, 4406 - Novo Mundo, Curitiba, PR 81050-000, Brazil
| | - Jose Marcos Lavrador Filho
- Complexo Hospitalar do Trabalhador, Av. Rep. Argentina, 4406 - Novo Mundo, Curitiba, PR 81050-000, Brazil
| | - Mariana Mizerkowski
- Complexo Hospitalar do Trabalhador, Av. Rep. Argentina, 4406 - Novo Mundo, Curitiba, PR 81050-000, Brazil
| | - Rafael Eduardo Garcia
- Complexo Hospitalar do Trabalhador, Av. Rep. Argentina, 4406 - Novo Mundo, Curitiba, PR 81050-000, Brazil
| | - Marcelo Abagge
- Complexo Hospitalar do Trabalhador, Av. Rep. Argentina, 4406 - Novo Mundo, Curitiba, PR 81050-000, Brazil
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Zuelzer DA, Routt MLC. Upper sacral segment fixation with converging iliosacral screws: A technical trick for preoperative planning and case series. Orthop Traumatol Surg Res 2023; 109:103573. [PMID: 36750155 DOI: 10.1016/j.otsr.2023.103573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 12/06/2022] [Accepted: 01/17/2023] [Indexed: 02/09/2023]
Abstract
INTRODUCTION There are some situations where pelvic surgeons may want to place iliosacral screws with differing trajectories (Sacroiliac and Sacral styles) but may not be able to because of overlapping trajectories. HYPOTHESIS Sacroiliac and Sacral style screws can be placed in S1 in select patients by using a preoperative planning technique off the 3D reconstructed surface rendered preoperative CT scan. MATERIALS/METHODS Retrospective review of all patients receiving iliosacral screws using the described technique. RESULTS Six patients received iliosacral screws using the described technique. When the preoperative planning technique demonstrated feasibility, all screws were able to be safely placed. DISCUSSION Placing Sacroiliac and Sacral style screws within S1 may be ideal in some injury patterns. The described technique allows pelvic surgeons facile in iliosacral screw techniques to preoperatively plan for this construct. LEVEL OF EVIDENCE VI; Retrospective case series.
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Affiliation(s)
- David A Zuelzer
- University of Kentucky, Department of Orthopedics and Sports Medicine 740 S, Limestone Street, Suite K401, Lexington, KY 40502, USA.
| | - Milton L C Routt
- University of Texas Health Science Center, Houston Department of Orthopaedic Surgery, 6414, Fannin Street, Suite G150, Houston, TX 77030, USA
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Thorn C, Ballard J, Lockhart C, Crone A, Aarvold A. The perioperative utility of 3D printed models in complex surgical care: feedback from 106 cases. Ann R Coll Surg Engl 2023; 105:747-753. [PMID: 36622212 PMCID: PMC10618040 DOI: 10.1308/rcsann.2022.0127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
INTRODUCTION 3D models are an emerging tool for surgical planning, providing an augmented method for the visualisation of a patient's anatomy. As their use increases, more data about the utility of these models is critical to inform budget allocation. This study provides the most comprehensive analysis to date for the use of 3D models in perioperative management. METHODS 3D models for complex surgical cases in NHS hospitals were delivered alongside a surgeon feedback survey. The survey on the model's utility had been designed alongside the university data analytical team and focused on five areas: surgical planning and diagnosis, economic impact, impact on intraoperative and preoperative time, effect on communication and direct impact on the patient. RESULTS There were 106 models used by 63 surgeons for complex surgical cases between May 2020 and March 2021, across multiple surgical specialties. The models were reported to have benefits in all perioperative areas, with 92.5% of responses agreeing that the 3D model was a better method for diagnosis and planning than traditional 2D techniques. Benefits were reported on preoperative planning (92.4%), economic savings due to equipment selection (54.4%), reduction in surgical time (41.5%) and surgeon-to-surgeon communication (92.6%). CONCLUSION 3D models were shown to have a wide range of benefits in a surgical setting. The reduction in surgical time could have the potential to help alleviate surgical backlogs. With more widespread use and optimisation of costs the use of 3D models could become the standard for unusual and complex surgical cases.
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Affiliation(s)
- C Thorn
- University of Southampton, UK
| | - J Ballard
- Belfast Health and Social Care Trust, Belfast, UK
| | - C Lockhart
- Belfast Health and Social Care Trust, Belfast, UK
| | - A Crone
- Belfast Health and Social Care Trust, Belfast, UK
| | - A Aarvold
- University Hospital Southampton NHS Foundation Trust, UK
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Sharma S, Pahuja S, Gupta V, Singh G, Singh J. 3D printing for spine pathologies: a state-of-the-art review. Biomed Eng Lett 2023; 13:579-589. [PMID: 37872993 PMCID: PMC10590361 DOI: 10.1007/s13534-023-00302-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 06/29/2023] [Accepted: 06/29/2023] [Indexed: 10/25/2023] Open
Abstract
Three-Dimensional Printing has advanced throughout the years in the field of biomedical science with applications, especially in spine surgeries. 3D printing has the ability of fabricating highly complex structures with ease and high dimensional accuracy. The complexity of the spine's architecture and the inherent dangers of spinal surgery bring the evaluation of 3D printed models into consideration. This article summarizes the benefits of 3D printing based models for application in spine pathology. 3D printing technique is extensively used for fabrication of anatomical models, surgical guides and patient specific implants (PSI). The 3D printing based anatomical models assist in preoperative planning and training of students. Furthermore, 3D printed models can be used for improved communication and understanding of patients about the spinal disorders. The use of 3D printed surgical guides help in the stabilization of the spine during surgery, improving post procedural outcomes. Improved surgical results can be achieved by using PSIs that are tailored for patient specific needs. Finally, this review discusses the limitations and potential future scope of 3D printing in spine pathologies. 3D printing is still in its infancy, and further research would provide better understanding of the technology's true potential in spinal procedures.
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Affiliation(s)
- Shrutika Sharma
- Department of Mechanical Engineering, Thapar Institute of Engineering and Technology, Patiala, Punjab 147004 India
| | - Sanchita Pahuja
- Biomedical Engineering, Thapar Institute of Engineering and Technology, Patiala, Punjab 147004 India
| | - Vishal Gupta
- Department of Mechanical Engineering, Thapar Institute of Engineering and Technology, Patiala, Punjab 147004 India
| | - Gyanendra Singh
- Physical Sciences, Inter University Centre for Teacher Education, Varanasi, 221005 India
| | - Jaskaran Singh
- Department of Mechanical Engineering, Thapar Institute of Engineering and Technology, Patiala, Punjab 147004 India
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Carlos NBT, Drain NP, Fatora GC, Nazzal EM, Herman ZJ, Hughes JD, Rodosky MW, Lin A, Lesniak BP. Myotendinous junction tears of the pectoralis major are occurring more frequently and discrepancies exist between intraoperative and radiographic assessments. JSES Int 2023; 7:2311-2315. [PMID: 37969514 PMCID: PMC10638570 DOI: 10.1016/j.jseint.2023.06.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2023] Open
Abstract
Background Pectoralis major (PM) tears have been shown to occur most frequently at the tendinous humeral insertion. However, no substantial updates on tear location have been published in 20 years or are based on relatively small sample sizes. The primary purpose of this study was to evaluate PM tear location based on magnetic resonance imaging (MRI). A secondary purpose was to evaluate agreement between MRI and intraoperative assessments of tear characteristics. We hypothesized that PM tears at the myotendinous junction (MTJ) occur at a higher rate than previously reported and that intraoperative and MRI assessments would demonstrate agreement in at least 80% of cases. Materials and methods An observational study of consecutive patients evaluated for a PM tear at a single institution between 2010 and 2022 was conducted. Patient demographics as well as MRI and intraoperative assessments of tear location, extent of tear, and muscle head involvement were collected from the electronic medical record. Agreement was calculated by comparing radiographic and intraoperative assessments per variable and reported as percentages. Data and statistical analysis were performed with SPSS software with a significance level set to P < .05. Results A total of 102 patients were included for analysis. Mean age was 35.8 ± 10.5 years and mean body mass index was 29.4 ± 4.8 kg/m2. 60.4% of the study population had tears of the MTJ, 34.9% of the tendinous humeral insertion, and 4.7% within the muscle belly, as determined intraoperatively. Complete tears had significantly higher agreement between MRI and intraoperative assessments relative to partial tears (83.9% and 62.5%, respectively; P ≤ .01). Discussion The majority of PM tears occurred at the MTJ. Preoperative MRI and intraoperative assessments agreed in 80% of cases, a value that was significantly higher for complete over partial tears. These findings demonstrate that tears of the MTJ are increasingly more common and support the use of MRI in preoperative planning for complete PM tears.
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Affiliation(s)
| | - Nicholas P. Drain
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Gabrielle C. Fatora
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Ehab M. Nazzal
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Zachary J. Herman
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Jonathan D. Hughes
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
- The Pittsburgh Shoulder Institute, Pittsburgh, PA, USA
| | - Mark W. Rodosky
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
- The Pittsburgh Shoulder Institute, Pittsburgh, PA, USA
| | - Albert Lin
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
- The Pittsburgh Shoulder Institute, Pittsburgh, PA, USA
| | - Bryson P. Lesniak
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
- The Pittsburgh Shoulder Institute, Pittsburgh, PA, USA
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de Marinis R, Marigi EM, Atwan Y, Yang L, Oeding JF, Gupta P, Pareek A, Sanchez-Sotelo J, Sperling JW. Current clinical applications of artificial intelligence in shoulder surgery: what the busy shoulder surgeon needs to know and what's coming next. JSES Rev Rep Tech 2023; 3:447-453. [PMID: 37928999 PMCID: PMC10625013 DOI: 10.1016/j.xrrt.2023.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/07/2023]
Abstract
Background Artificial intelligence (AI) is a continuously expanding field with the potential to transform a variety of industries-including health care-by providing automation, efficiency, precision, accuracy, and decision-making support for simple and complex tasks. Basic knowledge of the key features as well as limitations of AI is paramount to understand current developments in this field and to successfully apply them to shoulder surgery. The purpose of the present review is to provide an overview of AI within orthopedics and shoulder surgery exploring current and forthcoming AI applications. Methods PubMed and Scopus databases were searched to provide a narrative review of the most relevant literature on AI applications in shoulder surgery. Results Despite the enormous clinical and research potential of AI, orthopedic surgery has been a relatively late adopter of AI technologies. Image evaluation, surgical planning, aiding decision-making, and facilitating patient evaluations over time are some of the current areas of development with enormous opportunities to improve surgical practice, research, and education. Furthermore, the advancement of AI-driven strategies has the potential to create a more efficient medical system that may reduce the overall cost of delivering and implementing quality health care for patients with shoulder pathology. Conclusion AI is an expanding field with the potential for broad clinical and research applications in orthopedic surgery. Many challenges still need to be addressed to fully leverage the potential of AI to clinical practice and research such as privacy issues, data ownership, and external validation of the proposed models.
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Affiliation(s)
- Rodrigo de Marinis
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
- Department of Orthopedic Surgery, Pontificia Universidad Católica de Chile, Santiago, Chile
- Shoulder and Elbow Unit, Hospital Dr. Sótero del Rio, Santiago, Chile
| | - Erick M. Marigi
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Yousif Atwan
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Linjun Yang
- Orthopedic Surgery Artificial Intelligence Lab (OSAIL), Mayo Clinic, Rochester, MN, USA
| | - Jacob F. Oeding
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Puneet Gupta
- Department of Orthopaedic Surgery, George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Ayoosh Pareek
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, USA
| | | | - John W. Sperling
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
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Grunert R, Winkler D, Frank F, Moebius R, Kropla F, Meixensberger J, Hepp P, Elze M. 3D-printing of the elbow in complex posttraumatic elbow-stiffness for preoperative planning, surgery-simulation and postoperative control. 3D Print Med 2023; 9:28. [PMID: 37801133 PMCID: PMC10559461 DOI: 10.1186/s41205-023-00191-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 09/23/2023] [Indexed: 10/07/2023] Open
Abstract
BACKGROUND Restoration of mobility of the elbow after post-traumatic elbow stiffening due to osteophytes is often a problem. METHODS The anatomical structures were segmented within the CT-scan. Afterwards, the Multi Jet Fusion 3D-printing was applied to create the model made of biocompatible and steam-sterilizable plastic. Preoperative simulation of osteophyte resection at the 3D-model was performed as well as the direct comparison with the patient anatomy intraoperatively. RESULTS The patient-specific was very helpful for the preoperative simulation of the resection of elbow osteophytes. The 3D anatomical representation improved the preoperative plan its implementation. A high degree of fidelity was found between the 3D Printed Anatomical representation and the actual joint pathology. CONCLUSIONS Arthrolysis of complex post-traumatic bony changes is an important indication for the use of 3D models for preoperative planning. Due to the use of 3D printing and software simulation, accurate resection planning is feasible and residual bony stiffening can be avoided. 3D printing models can lead to an improvement in surgical quality.
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Affiliation(s)
- Ronny Grunert
- Department of Neurosurgery, University Leipzig, Liebigstr. 20, Leipzig, 04103, Germany.
- Fraunhofer Institute for Machine Tools and Forming Technology, Theodor-Koerner-Allee 6, Zittau, 02763, Germany.
| | - Dirk Winkler
- Department of Neurosurgery, University Leipzig, Liebigstr. 20, Leipzig, 04103, Germany
| | - Franziska Frank
- Department of Neurosurgery, University Leipzig, Liebigstr. 20, Leipzig, 04103, Germany
| | - Robert Moebius
- Department of Neurosurgery, University Leipzig, Liebigstr. 20, Leipzig, 04103, Germany
| | - Fabian Kropla
- Department of Neurosurgery, University Leipzig, Liebigstr. 20, Leipzig, 04103, Germany
| | - Juergen Meixensberger
- Department of Neurosurgery, University Leipzig, Liebigstr. 20, Leipzig, 04103, Germany
| | - Pierre Hepp
- Department Orthopedics, Trauma Surgery and Plastic Surgery, University Leipzig, Liebigstr. 20, Leipzig, 04103, Germany
| | - Maria Elze
- Department Orthopedics, Trauma Surgery and Plastic Surgery, University Leipzig, Liebigstr. 20, Leipzig, 04103, Germany
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24
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Pan L, Yan X, Zheng Y, Huang L, Zhang Z, Fu R, Zheng B, Zheng S. Automatic pulmonary artery-vein separation in CT images using a twin-pipe network and topology reconstruction. PeerJ Comput Sci 2023; 9:e1537. [PMID: 37810355 PMCID: PMC10557495 DOI: 10.7717/peerj-cs.1537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 07/24/2023] [Indexed: 10/10/2023]
Abstract
Background With the wide application of CT scanning, the separation of pulmonary arteries and veins (A/V) based on CT images plays an important role for assisting surgeons in preoperative planning of lung cancer surgery. However, distinguishing between arteries and veins in chest CT images remains challenging due to the complex structure and the presence of their similarities. Methods We proposed a novel method for automatically separating pulmonary arteries and veins based on vessel topology information and a twin-pipe deep learning network. First, vessel tree topology is constructed by combining scale-space particles and multi-stencils fast marching (MSFM) methods to ensure the continuity and authenticity of the topology. Second, a twin-pipe network is designed to learn the multiscale differences between arteries and veins and the characteristics of the small arteries that closely accompany bronchi. Finally, we designed a topology optimizer that considers interbranch and intrabranch topological relationships to optimize the results of arteries and veins classification. Results The proposed approach is validated on the public dataset CARVE14 and our private dataset. Compared with ground truth, the proposed method achieves an average accuracy of 90.1% on the CARVE14 dataset, and 96.2% on our local dataset. Conclusions The method can effectively separate pulmonary arteries and veins and has good generalization for chest CT images from different devices, as well as enhanced and noncontrast CT image sequences from the same device.
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Affiliation(s)
- Lin Pan
- College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian, China
| | - Xiaochao Yan
- College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian, China
| | - Yaoyong Zheng
- College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian, China
| | - Liqin Huang
- College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian, China
| | - Zhen Zhang
- College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian, China
| | - Rongda Fu
- College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian, China
| | - Bin Zheng
- Key Laboratory of Cardio-Thoracic Surgery, Fujian Medical University, Fuzhou, Fujian, China
| | - Shaohua Zheng
- College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian, China
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25
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Yang J, Zhao Y, Han Z, Zhang Y, Wang W. Preoperative planning of three axis intersection surgical laparoscopic arm system based on characteristic parameters. Int J Comput Assist Radiol Surg 2023; 18:1757-1767. [PMID: 36867379 DOI: 10.1007/s11548-023-02840-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 01/19/2023] [Indexed: 03/04/2023]
Abstract
PURPOSE The application of robotics in the field of minimally invasive surgery solves some shortcomings of traditional minimally invasive surgery. Preoperative planning is an important prerequisite for the successful completion of robot-assisted surgery. The optimization of surgical incision position and the initial location of surgical robot are two important parts of preoperative planning. In this paper, a novel structure and preoperative planning method of a three-axis intersection surgical manipulator are proposed. METHODS Firstly, a mathematical model of human abdominal wall was established. Three characteristic parameters between the lesion and the incision are defined and used to optimize the surgical incisions. Then, the spatial position relationship between the laparoscopic arm and the incision was analyzed to obtain the effective solution groups of each passive joint of the laparoscopic arm. Lastly, the optimal initial location of the laparoscopic arm was determined by taking the total joint variables of the telecentric mechanism as the optimization index. RESULTS According to a given set of lesion parameters and the position of laparoscopic arm base, the optimal incision position was obtained using the surgical incision characteristic parameters and the optimal triangle criterion, and the positioning angles of the laparoscopic arm were optimized by using the Total Joint Variable (TJV) as the evaluation index. CONCLUSIONS The proposed preoperative planning method is verified by simulation. The proposed method can realize the preoperative planning process of the three axis intersection laparoscopic arm. The proposed method of preoperative planning will provide important reference to improve the intelligence of robot-assisted surgery.
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Affiliation(s)
- Jing Yang
- Faculty of Mechanical Engineering and Automation, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China
| | - Yida Zhao
- Faculty of Mechanical Engineering and Automation, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China.
| | - Zejie Han
- Faculty of Mechanical Engineering and Automation, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China
| | - Yang Zhang
- Department of Robotics, Ritsumeikan University, Shiga, Japan
| | - Wenjie Wang
- School of Electronics and Information, Xi'an Polytechnic University, Xi'an, Shaanxi, China
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Dalton J, Mohamed A, Akioyamen N, Schwab FJ, Lafage V. PreOperative Planning for Adult Spinal Deformity Goals: Level Selection and Alignment Goals. Neurosurg Clin N Am 2023; 34:527-536. [PMID: 37718099 DOI: 10.1016/j.nec.2023.06.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2023]
Abstract
Adult Spinal Deformity (ASD) is a complex pathologic condition with significant impact on quality of life, including pain, loss of function, and fatigue. Achieving realignment goals is crucial for long-term results. Reliable preoperative planning strategies, including nomograms, measurement tools, and level selection, are key to maximizing the likelihood of achieving a good outcome following ASD corrective surgery. This review covers recent literature on such strategies, including review of the different targets for realignment and their association with outcomes (both patients-reported outcomes and complications), selection of upper and lower instrumented vertebrae, and the latest innovation in preoperative planning for deformity surgery.
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Affiliation(s)
- Jay Dalton
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, 3471 Fifth Avenue, Pittsburgh, PA 15213, USA
| | - Ayman Mohamed
- Department of Orthopaedic Surgery, Lenox Hill Hospital, 130 East 77th Street, 11th Floor, New York, NY 10075, USA
| | - Noel Akioyamen
- Department of Orthopaedic Surgery, Monteriore Medical Center, 1250 Waters Place, Tower 1, 11th Floor, Bronx, NY 10461, USA
| | - Frank J Schwab
- Department of Orthopaedic Surgery, Lenox Hill Hospital, 130 East 77th Street, 11th Floor, New York, NY 10075, USA
| | - Virginie Lafage
- Department of Orthopaedic Surgery, Lenox Hill Hospital, 130 East 77th Street, 11th Floor, New York, NY 10075, USA.
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Raffa G, Spiriev T, Zoia C, Aldea CC, Bartek Jr J, Bauer M, Ben-Shalom N, Belo D, Drosos E, Freyschlag CF, Kaprovoy S, Lepic M, Lippa L, Rabiei K, Schwake M, Stengel FC, Stienen MN, Gandía-González ML. The use of advanced technology for preoperative planning in cranial surgery - A survey by the EANS Young Neurosurgeons Committee. Brain Spine 2023; 3:102665. [PMID: 38021023 PMCID: PMC10668051 DOI: 10.1016/j.bas.2023.102665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 08/16/2023] [Accepted: 08/25/2023] [Indexed: 12/01/2023]
Abstract
Introduction Technological advancements provided several preoperative tools allowing for precise preoperative planning in cranial neurosurgery, aiming to increase the efficacy and safety of surgery. However, little data are available regarding if and how young neurosurgeons are trained in using such technologies, how often they use them in clinical practice, and how valuable they consider these technologies. Research question How frequently these technologies are used during training and clinical practice as well as to how their perceived value can be qualitatively assessed. Materials and methods The Young Neurosurgeons' Committee (YNC) of the European Association of Neurosurgical Societies (EANS) distributed a 14-items survey among young neurosurgeons between June 1st and August 31st, 2022. Results A total of 441 responses were collected. Most responders (42.34%) received "formal" training during their residency. Planning techniques were used mainly in neuro-oncology (90.86%), and 3D visualization of patients' DICOM dataset using open-source software was the most frequently used (>20 times/month, 20.34% of responders). Software for 3D visualization of patients' DICOM dataset was the most valuable technology, especially for planning surgical approach (42.03%). Conversely, simulation based on augmented/mixed/virtual reality was considered the less valuable tool, being rated below sufficiency by 39.7% of responders. Discussion and conclusion Training for using preoperative planning technologies in cranial neurosurgery is provided by neurosurgical residency programs. Software for 3D visualization of DICOM datasets is the most valuable and used tool, especially in neuro-oncology. Interestingly, simulation tools based on augmented/virtual/mixed reality are considered less valuable and, therefore, less used than other technologies.
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Affiliation(s)
- Giovanni Raffa
- Division of Neurosurgery, BIOMORF Department, University of Messina, Messina, Italy
| | - Toma Spiriev
- Department of Neurosurgery, Acibadem CityClinic Tokuda Hospital Sofia, Bulgaria
| | - Cesare Zoia
- Neurosurgery Unit, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Cristina C. Aldea
- Department of Neurosurgery, Cluj County Emergency Hospital, University of Medicine and Pharmacy Iuliu Hatieganu, Cluj-Napoca, Romania
| | - Jiri Bartek Jr
- Department of Clinical Neuroscience, Karolinska Institutet and Department of Neurosurgery, Karolinska University Hospital, Stockholm, Sweden
- Department of Neurosurgery, Rigshospitalet, Copenhagen, Denmark
| | - Marlies Bauer
- Department of Neurosurgery, Medical University of Innsbruck, Innsbruck, Austria
| | - Netanel Ben-Shalom
- Department of Neurosurgery, Rabin Medical Center, Belinson Campus, Petah Tikva, Israel
| | - Diogo Belo
- Neurosurgery Department, Centro Hospitalar Lisboa Norte (CHLN), Lisbon, Portugal
| | | | | | - Stanislav Kaprovoy
- Burdenko Neurosurgical Center, Department of Spinal and Peripheral Nerve Surgery, Department of International Affairs, Moscow, Russia
| | - Milan Lepic
- Clinic for Neurosurgery, Military Medical Academy, Belgrade, Serbia
| | - Laura Lippa
- Dept of Neurosurgery, ASST Ospedale Niguarda, Milano, Italy
| | - Katrin Rabiei
- Institution of Neuroscience & Physiology, Sahlgrenska Academy, Gothenberg, Sweden
- Art Clinic Hospitals, Gothenburg, Sweden
| | - Michael Schwake
- Department of Neurosurgery, University Hospital Muenster, Germany
| | - Felix C. Stengel
- Department of Neurosurgery and Spine Center of Eastern Switzerland, Cantonal Hospital St.Gallen, St.Gallen, Switzerland
| | - Martin N. Stienen
- Department of Neurosurgery and Spine Center of Eastern Switzerland, Cantonal Hospital St.Gallen, St.Gallen, Switzerland
| | - Maria L. Gandía-González
- Department of Neurosurgery, Hospital Universitario La Paz, Idipaz, Madrid, Spain
- University Autonomous of Madrid, Spain
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Lu H, Xiao Q, Xu H, Yan T, Zhou Z. Robotic arm-assisted total hip arthroplasty for preoperative planning and intraoperative decision-making. J Orthop Surg Res 2023; 18:608. [PMID: 37605281 PMCID: PMC10440908 DOI: 10.1186/s13018-023-04095-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 08/11/2023] [Indexed: 08/23/2023] Open
Abstract
AIMS This article aimed to explore the efficacy of robotic arm-assisted total hip arthroplasty (THA) in improving preoperative planning and intraoperative decision-making. METHODS In this single-center, prospective, randomized clinical controlled trial, 60 patients were randomly divided into two groups: conventional THA (cTHA) and robotic arm-assisted THA (rTHA). The rTHA underwent procedures using a robot-assisted surgical system, which generated three-dimensional models to determine the most appropriate prosthesis size and position. The standard process of replacement was executed in cTHA planned preoperatively via X-ray by experienced surgeons. Differences between predicted and actual prosthetic size, prosthetic position, and leg length were evaluated. RESULTS Sixty patients were included in the study, but one patient was not allocated due to anemia. No significant preoperative baseline data difference was found between the two groups. The actual versus predicted implantation size of both groups revealed that 27/30 (90.0%) in the rTHA group and 25/29 (86.2%) in the cTHA group experienced complete coincidence. The coincidence rate for the femoral stem was higher in the rTHA group (83.3%) than that in the cTHA group (62.7%). Between the actual and predicted rTHA, the difference in anteversion/inclination degree (< 6°) was largely dispersed, while cTHA was more evenly distributed in degree (< 9°). The differences in leg length between the surgical side and contralateral side showed a significant deviation when comparing the two groups (P = 0.003), with 0.281 (- 4.17 to 3.32) mm in rTHA and 3.79 (1.45-6.42) mm in cTHA. CONCLUSION Robotic arm-assisted total hip arthroplasty can be valuable for preoperative planning and intraoperative decision-making.
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Affiliation(s)
- Hanpeng Lu
- Department of Orthopaedic Surgery, West China Hospital, Sichuan University, No. 37, Guoxue Road, Wuhou District, Chengdu, 610041, Si Chuan, People's Republic of China
| | - Qiang Xiao
- Department of Orthopaedic Surgery, West China Hospital, Sichuan University, No. 37, Guoxue Road, Wuhou District, Chengdu, 610041, Si Chuan, People's Republic of China
| | - Hong Xu
- Department of Orthopaedic Surgery, West China Hospital, Sichuan University, No. 37, Guoxue Road, Wuhou District, Chengdu, 610041, Si Chuan, People's Republic of China
| | - Tingfang Yan
- Yuanhua Intelligent Technology Co., Ltd, Shenzhen, People's Republic of China
| | - Zongke Zhou
- Department of Orthopaedic Surgery, West China Hospital, Sichuan University, No. 37, Guoxue Road, Wuhou District, Chengdu, 610041, Si Chuan, People's Republic of China.
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Fleming TA, Torrie PAG, Murphy TA, Dodds AL, Engelke DM, Curwen CH, Gosal HS, Pegrum J. The influence of pre-operative Computed Tomography (CT) on surgical approach and fixation for fractures of the tibial plateau. J Orthop 2023; 42:50-53. [PMID: 37502121 PMCID: PMC10368533 DOI: 10.1016/j.jor.2023.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 07/06/2023] [Accepted: 07/08/2023] [Indexed: 07/29/2023] Open
Abstract
Background It is well known that a computed tomography (CT) scan improves the classification of tibial plateau fractures (TPF) compared with radiographs. However, it is less clear how this translates into clinical practice. The aim of this study is to establish to what extent a pre-operative CT scan alters the approach, setup and fixation choice in TPF compared to radiographs. Methods 50 consecutive TPF with a preoperative CT and radiographic imaging available, were assessed by 4 consultant surgeons. First, anonymised radiographs were classifying according to the column classification and the planned setup, approach, and fixation technique documented. At a 1-month interval, randomised matched CT scans were assessed and the same data collected. A tibial plateau disruption score (TPDS) was derived for all 4 quadrants (no injury = 0, split = 1, split/depression = 2 and depression = 3). Radiograph and CT TPDS were assessed using an unpaired T-test. Results 26 female and 24 male patients, mean age 50.3, were included. Mean TPDS on radiographs and CT scans were 2.77 and 3.17 respectively. A significantly higher CT TPDS, of 0.4 (95%CI 0.10-0.71)[P = 0.0093] was observed, demonstrating that radiographs underestimate the extent of injury. The surgical approach changed in 28.5% of cases, thus influencing a change in the patient setup in theatre in 27% of cases. Identification of fractures within a column changed in 34% of cases. A high intra-observer reliability was observed when surgeons were asked to repeat their assessment in a third round at a further one month interval. Conclusion A pre-operative CT scan has a significant effect on the approach required to fix TPF. This therefore influences the setup of the patient and can justifiably be requested as part of pre-operative planning.
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Shimahara Y, Honda S, Fujiyoshi T, Kamiya K, Nakano Y, Komatsu I, Yamashita J, Ogino H. Preoperative planning for transaortic septal myectomy using cardiac computed tomography in patients with subaortic septal hypertrophy associated with aortic stenosis: case series. Eur Heart J Case Rep 2023; 7:ytad276. [PMID: 37681057 PMCID: PMC10481893 DOI: 10.1093/ehjcr/ytad276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 01/17/2023] [Accepted: 06/22/2023] [Indexed: 09/09/2023]
Abstract
Background Electrocardiogram-gated cardiac computed tomography (CT) imaging enables a more accurate understanding of the patient's cardiac anatomy. Preoperative planning for transaortic septal myectomy (TASM), based on cardiac CT, may be useful in patients with subaortic septal hypertrophy associated with severe aortic stenosis (AS). Case summary Two elderly patients (age >80 years) with subaortic septal hypertrophy associated with AS underwent surgical aortic valve replacement (SAVR) and concomitant TASM after preoperative planning based on cardiac CT. Both patients showed subaortic septal hypertrophy with blood flow acceleration, left ventricular (LV) hypercontractility, and a short distance from the coaptation point of the mitral valve to the septum, resulting in possible dynamic LV outflow tract (LVOT) obstruction after resolution of AS. Optimal mid-diastolic images, selected from the 70-80% phase, were used for preoperative TASM planning. Planned sizes for myectomy based on multi-planar reconstruction were 10 × 26 × 9 mm (width × length × depth) and 10 × 25 × 9 mm for patient 1 and 2, respectively, while resected tissue size was 10 × 24 × 8 mm and 9 × 24 × 8 mm in patient 1 and 2, respectively. After TASM procedure, SAVR was performed with bioprosthetic valve. Postoperative course of both patients was uneventful with no evidence of complete atrioventricular block, septal perforation, or blood flow acceleration at the LVOT. Discussion Preoperative planning based on cardiac CT images is safe and useful for guiding adequate myectomy and preventing associated complications in patients with subaortic septal hypertrophy associated with AS.
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Affiliation(s)
- Yusuke Shimahara
- Department of Cardiovascular Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Sayaka Honda
- Department of Cardiovascular Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Toshiki Fujiyoshi
- Department of Cardiovascular Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Kentaro Kamiya
- Department of Cardiovascular Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Yu Nakano
- Department of Cardiovascular Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Ikki Komatsu
- Department of Cardiology, Tokyo Medical University, Tokyo, Japan
| | - Jun Yamashita
- Department of Cardiology, Tokyo Medical University, Tokyo, Japan
| | - Hitoshi Ogino
- Department of Cardiovascular Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
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Gregory JM, Siahaan J, Urvoy M. Preoperative metaphyseal cancellous bone density is associated with intraoperative conversion to stemmed total shoulder arthroplasty. JSES Rev Rep Tech 2023; 3:285-288. [PMID: 37588492 PMCID: PMC10426528 DOI: 10.1016/j.xrrt.2023.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Background Methods to determine whether a stemless humeral component is appropriate for anatomic total shoulder arthroplasty are varied and often subjective. Objective preoperative data regarding metaphyseal bone quality may help guide surgical decision-making. This study sought to evaluate preoperative proximal humeral bone quality and determine whether it is predictive of intraoperative conversion to a stemmed humeral component. Methods Consecutive patients who underwent primary anatomic total shoulder arthroplasty from a single-surgeon practice were enrolled. All patients received a preoperative computed tomography (CT) scan for surgical templating purposes. The exclusion criteria were lack of a preoperative CT scan, preoperative plan for a stemmed component, and intraoperative conversion to a stem for a reason other than bone quality (ie, fracture). Preoperative CT scans were analyzed with an automated templating software. Cortical index and thickness were calculated, and bone density of the proximal diaphysis, cancellous metaphysis, and cortical metaphysis was obtained by averaging Hounsfield units (HU) across anatomically defined regions using a previously validated technique. The decision to convert to a stemmed humeral component was made intraoperatively based on a lack of stability of the trial stemless component. Bone quality measurements were compared between stemless and stemmed groups. An exact logistic regression was used incorporating gender and age. Results A total of 79 patients who underwent primary anatomic total shoulder arthroplasty were included in this study. Of these patients, 6 underwent intraoperative conversion to a stemmed humeral component (7.6%). There was no significant difference between cohorts in terms of cortical index and bone density within the proximal diaphysis and cortical metaphysis. On univariate analysis, cortical thickness, metaphyseal cancellous bone density, and gender were significantly different between groups. Patients receiving a stem had significantly lower metaphyseal cancellous bone density than those receiving stemless components (5.5 ± 11.2 HU vs. 47.6 ± 29.4 HU, P<.001). All patients converted to stems were female individuals (P = .01) and had metaphyseal cancellous bone density less than 20 HU (P<.001). Conclusions Metaphyseal cancellous bone density can be calculated on preoperative CT scans and is associated with intraoperative conversion to a stemmed humeral component in anatomic shoulder arthroplasty. A threshold of 20 HU can be used to predict which patients are more likely to require stemmed components.
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Affiliation(s)
- James M. Gregory
- Department of Orthopedic Surgery, University of Texas Health Science Center at Houston, McGovern Medical School, Houston, TX, USA
| | - Jacob Siahaan
- Department of Orthopedic Surgery, University of Texas Health Science Center at Houston, McGovern Medical School, Houston, TX, USA
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Tanaka R, Komatsu F, Sasaki K, Miyatani K, Yamada Y, Kato Y, Hirose Y. Preoperative detailed evaluation intracranial artery stenosis using three-dimensional visualization analysis reduces the invasiveness of superficial temporal artery-middle cerebral artery bypass. Fujita Med J 2023; 9:206-210. [PMID: 37554939 PMCID: PMC10405892 DOI: 10.20407/fmj.2022-022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 08/25/2022] [Indexed: 08/10/2023]
Abstract
OBJECTIVES Superficial temporal artery (STA) to middle cerebral artery (MCA) bypass surgery is a common treatment for preventing cerebral ischemia in patients with intracranial artery stenosis. The aim of this study was to analyze the surgical outcomes of the STA-MCA bypass procedure, particularly with regard to the invasiveness of targeted bypass (TB) with preoperative planning using Amira® software. METHODS Consecutive patients with single STA-MCA bypass performed by a single neurosurgeon from January 2019 to May 2022 were included. The clinical parameters of seven TB patients were compared with those of 11 patients treated with the conventional method (CM). RESULTS Compared with CM patients, TB using Amira® software patients had a shorter scalp incision (median [interquartile range]=11.2 [9.7-12.7] cm vs. 16.9 [16.0-17.7] cm, respectively; p=0.004], smaller craniotomy size (11.8 [11.5-14.4] cm2 vs. 20.9 [17.1-22.2] cm2, respectively; p=0.01], shorter surgery duration (201 [195-218] min vs. 277 [229-310] min, respectively; p=0.003], and less intraoperative bleeding (10 [10-20] g vs. 23 [20-50] g, respectively; p=0.033]. However, there were no differences in surgical complications between the two groups. CONCLUSIONS Detailed preoperative evaluation using Amira® software can reduce the invasiveness of the STA-MCA bypass procedure.
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Affiliation(s)
- Riki Tanaka
- Department of Neurosurgery, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Fuminari Komatsu
- Department of Neurosurgery, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Kento Sasaki
- Department of Neurosurgery, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Kyosuke Miyatani
- Department of Neurosurgery, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Yasuhiro Yamada
- Department of Neurosurgery, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Yoko Kato
- Department of Neurosurgery, Fujita Health University Bantane Hospital, Nagoya, Aichi, Japan
| | - Yuichi Hirose
- Department of Neurosurgery, Fujita Health University Hospital, Toyoake, Aichi, Japan
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Rompianesi G, Pegoraro F, Ramaci L, Ceresa CD, Montalti R, Troisi RI. Preoperative planning and intraoperative real-time navigation with indocyanine green fluorescence in robotic liver surgery. Langenbecks Arch Surg 2023; 408:292. [PMID: 37522938 PMCID: PMC10390613 DOI: 10.1007/s00423-023-03024-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 07/20/2023] [Indexed: 08/01/2023]
Abstract
PURPOSE We aimed at exploring indocyanine green (ICG) fluorescence wide spectrum of applications in hepatobiliary surgery as can result particularly useful in robotic liver resections (RLR) in order to overcome some technical limitations, increasing safety, and efficacy. METHODS We describe our experience of 76 RLR performed between March 2020 and December 2022 exploring all the possible applications of pre- and intraoperative ICG administration. RESULTS Hepatocellular carcinoma and colorectal liver metastases were the most common indications for RLR (34.2% and 26.7% of patients, respectively), and 51.3% of cases were complex resections with high IWATE difficulty scores. ICG was administered preoperatively in 61 patients (80.3%), intraoperatively in 42 patients (55.3%) and in both contexts in 25 patients (32.9%), with no observed adverse events. The most frequent ICG goal was to achieve tumor enhancement (59 patients, 77.6%), with a success rate of 94.9% and the detection of 3 additional malignant lesions. ICG facilitated evaluation of the resection margin for residual tumor and perfusion adequacy in 33.9% and 32.9% of cases, respectively, mandating a resection enlargement in 7.9% of patients. ICG fluorescence allowed the identification of the transection plane through negative staining in the 25% of cases. Vascular and biliary structures were visualized in 21.1% and 9.2% of patients, with a success rate of 81.3% and 85.7%, respectively. CONCLUSION RLR can benefit from the routine integration of ICG fluoresce evaluation according to each individual patient and condition-specific goals and issues, allowing liver functional assessment, anatomical and vascular evaluation, tumor detection, and resection margins assessment.
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Affiliation(s)
- Gianluca Rompianesi
- Division of Hepato-Biliary-Pancreatic, Minimally Invasive and Robotic Surgery and Kidney Transplantation, Department of Clinical Medicine and Surgery, Federico II University Hospital, via S. Pansini n. 5, Naples, Italy.
| | - Francesca Pegoraro
- Division of Hepato-Biliary-Pancreatic, Minimally Invasive and Robotic Surgery and Kidney Transplantation, Department of Clinical Medicine and Surgery, Federico II University Hospital, via S. Pansini n. 5, Naples, Italy
| | - Lorenzo Ramaci
- Division of Hepato-Biliary-Pancreatic, Minimally Invasive and Robotic Surgery and Kidney Transplantation, Department of Clinical Medicine and Surgery, Federico II University Hospital, via S. Pansini n. 5, Naples, Italy
| | - Carlo Dl Ceresa
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - Roberto Montalti
- Division of Hepato-Biliary-Pancreatic, Minimally Invasive and Robotic Surgery and Kidney Transplantation, Department of Public Health Federico II University Hospital, Naples, Italy
| | - Roberto I Troisi
- Division of Hepato-Biliary-Pancreatic, Minimally Invasive and Robotic Surgery and Kidney Transplantation, Department of Clinical Medicine and Surgery, Federico II University Hospital, via S. Pansini n. 5, Naples, Italy
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Rogers NG, Carrillo-Marquez M, Carlisle A, Sanders CD, Burge L. Friends Not Foes: Optimizing Collaboration with Subspecialists. Orthop Clin North Am 2023; 54:277-285. [PMID: 37271556 DOI: 10.1016/j.ocl.2023.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Pediatric orthopedic patients can be complex to manage. As orthopedists plan for possible surgical interventions, consultation with pediatric subspecialists will be necessary. This article discusses the considerations an orthopedist should make when deciding on the timing and the appropriateness of consultation-both preoperatively and perioperatively. Consultation before surgical intervention will especially be useful if the subspecialist will be collaborating in the management of the condition postoperatively (whether inpatient or outpatient). Clear and early consultation in both written and verbal format will facilitate quality and expedite the patient's care.
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Affiliation(s)
- Nathaniel G Rogers
- Division of Pediatric Hospital Medicine, University of Tennessee Health Science Center, 49 North Dunlap Street, Memphis, TN 38103, USA.
| | - Maria Carrillo-Marquez
- Division of Infectious Diseases, University of Tennessee Health Science Center, 49 North Dunlap Street, Memphis, TN 38103, USA
| | - Annette Carlisle
- Division of Allergy & Immunology, University of Tennessee Health Science Center, 49 North Dunlap Street, Memphis, TN 38103, USA
| | - Catherine D Sanders
- Division of Pulmonology, University of Tennessee Health Science Center, 49 North Dunlap Street, Memphis, TN 38103, USA
| | - Lauren Burge
- Division of Child Abuse, University of Tennessee Health Science Center, 49 North Dunlap Street, Memphis, TN 38103, USA
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Pour AE, Green JH, Christensen TH, Muthusamy N, Schwarzkopf R. Is It Necessary to Obtain Lateral Pelvic Radiographs in Flexed Seated Position for Preoperative Total Hip Arthroplasty Planning? Arthroplast Today 2023; 21:101133. [PMID: 37234599 PMCID: PMC10206860 DOI: 10.1016/j.artd.2023.101133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 02/06/2023] [Accepted: 03/08/2023] [Indexed: 05/28/2023] Open
Abstract
Background Many of the current total hip arthroplasty (THA) planning tools only consider sagittal pelvic tilt in the standing and relaxed sitting positions. Considering that the risk of postoperative dislocation is higher when bending forward or in sit-to-stand move, sagittal pelvic tilt in the flexed seated position may be more relevant for preoperative planning. We hypothesized that there was a significant difference in sagittal pelvic tilt between the relaxed sitting and flexed seated positions as measured by the sacral slope in preoperative and postoperative full-body radiographs. Methods This was a multicenter retrospective analysis of the preoperative and postoperative simultaneous biplanar full-body radiographs of 93 primary THA patients in standing, relaxed sitting, and flexed seated positions. The sagittal pelvic tilt was measured using the sacral slope relative to the horizontal line. Results The mean difference between the preoperative sacral slope in the relaxed sitting position and the flexed seated position was 11.3° (-13° to 43°) (P < .0001). This difference was >10° in 52 patients (56%) and >20° in 18 patients (19.4%). The mean difference between the postoperative sacral slope in a relaxed sitting position and the sacral slope in a flexed seated position was 11.3° (P < .0001). This difference was >10° in 51 patients (54.9%) and >30° in 14 patients (15.1%) postoperatively. Conclusions There was a significant difference in sagittal pelvic tilt between the relaxed and flexed seated positions. A flexed seated view provides valuable information that might be more relevant for preoperative THA planning in order to prevent postoperative THA instability.
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Affiliation(s)
- Aidin Eslam Pour
- Department of Orthopaedic Surgery, Yale University, New Haven, CT, USA
| | - Jordan H. Green
- Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Thomas H. Christensen
- Department of Orthopaedic Surgery, NYU Langone Orthopedic Hospital, New York, NY, USA
| | - Nishanth Muthusamy
- Department of Orthopaedic Surgery, NYU Langone Orthopedic Hospital, New York, NY, USA
| | - Ran Schwarzkopf
- Department of Orthopaedic Surgery, NYU Langone Orthopedic Hospital, New York, NY, USA
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Wang S, Zhang W, Sun J, Wang Y, Fan J, Yu Y, Zhao F, Gao J, Shi J, Guo Y. Detection of Common Anatomical Landmarks and Vertical Trajectories for Freehand Pedicle Screw Placement. Orthop Surg 2023. [PMID: 37183354 DOI: 10.1111/os.13729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 03/08/2023] [Accepted: 03/14/2023] [Indexed: 05/16/2023] Open
Abstract
OBJECTIVE It is clinically important for pedicle screws to be placed quickly and accurately. Misplacement of pedicle screws results in various complications. However, the incidence of complications varies greatly due to the different professional titles of physicians and surgical experience. Therefore, physicians must minimize pedicle screw dislocation. This study aims to compare the three nail placement methods in this study, and explore which method is the best for determining the anatomical landmarks and vertical trajectories. METHODS This study involved 70 patients with moderate idiopathic scoliosis who had undergone deformity correction surgery between 2018 and 2021. Two spine surgeons used three techniques (preoperative computed tomography scan [CTS], visual inspection-X-freehand [XFH], and intraoperative detection [ID] of anatomical landmarks) to locate pedicle screws. The techniques used include visual inspection for 287 screws in 21 patients, preoperative planning for 346 screws in 26 patients, and intraoperative probing for 309 screws in 23 patients. Observers assessed screw conditions based on intraoperative CT scans (Grade A, B, C, D). RESULTS There were no significant differences between the three groups in terms of age, sex, and degree of deformity. We found that 68.64% of screws in the XFH group, 67.63% in the CTS group, and 77.99% in the ID group were placed within the pedicle margins (grade A). On the other hand, 6.27% of screws in the XFH group, 4.33% in the CTS group, and 6.15% in the ID group were considered misplaced (grades C and D). The results show that the total amount of upper thoracic pedicle screws was fewer, meanwhile their placement accuracy was lower. The three methods used in this study had similar accuracy in intermediate physicians (P > 0.05). Compared with intermediate physicians, the placement accuracy of three techniques in senior physicians was higher. The intraoperative detection group was better than the other two groups in the good rate and accuracy of nail placement (P < 0.05). CONCLUSION Intraoperative common anatomical landmarks and vertical trajectories were beneficial to patients with moderate idiopathic scoliosis undergoing surgery. It is an optimal method for clinical application.
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Affiliation(s)
- Shunmin Wang
- Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai, China
- 910 Hospital of China Joint Logistics Support Force, Quanzhou, China
| | - Weihang Zhang
- Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Jingchuan Sun
- Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Yuan Wang
- Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Jianping Fan
- Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Yaping Yu
- Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Feng Zhao
- Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai, China
- 910 Hospital of China Joint Logistics Support Force, Quanzhou, China
| | - Jie Gao
- Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai, China
- 910 Hospital of China Joint Logistics Support Force, Quanzhou, China
| | - Jiangang Shi
- Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Yongfei Guo
- Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai, China
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Jennewine BR, Brolin TJ. Emerging Technologies in Shoulder Arthroplasty: Navigation, Mixed Reality, and Preoperative Planning. Orthop Clin North Am 2023; 54:209-225. [PMID: 36894293 DOI: 10.1016/j.ocl.2022.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Abstract
Shoulder arthroplasty is a rapidly improving and utilized management for end-stage arthritis that is associated with improved functional outcomes, pain relief, and long-term implant survival. Accurate placement of the glenoid and humeral components is critical for improved outcomes. Traditionally, preoperative planning was limited to radiographs and 2-dimensional computed tomography (CT); however, 3-dimensional CT is becoming more commonly utilized and necessary to understand complex glenoid and humeral deformities. To further increase accurate component placement, intraoperative assistive devices-patient-specific instrumentation, navigation, and mixed reality-minimize malpositioning, increase surgeon accuracy, and maximize fixation. These intraoperative technologies likely represent the future of shoulder arthroplasty.
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Affiliation(s)
- Brenton R Jennewine
- Department of Orthopaedic Surgery and Biomedical Engineering, University of Tennessee Health Science Center-Campbell Clinic, 920 Madison Avenue, Memphis, TN 38163, USA; Campbell Clinic Orthopaedics, 1211 Union Avenue #500, Memphis, TN 38104, USA
| | - Tyler J Brolin
- Department of Orthopaedic Surgery and Biomedical Engineering, University of Tennessee Health Science Center-Campbell Clinic, 920 Madison Avenue, Memphis, TN 38163, USA; Campbell Clinic Orthopaedics, 1400 South Germantown Road, Germantown, TN 38138, USA.
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Sverzut TFV, Sverzut AT, Trivellato AE, Sverzut CE. Retrospective analysis of the predictability of using three-dimensional models for preoperative planning of the length of zygomatic implants. Oral Maxillofac Surg 2023; 27:53-58. [PMID: 35166998 DOI: 10.1007/s10006-022-01047-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 02/10/2022] [Indexed: 11/28/2022]
Abstract
PURPOSE This present study aimed to retrospectively evaluate the predictability of using three-dimensional models (TDMs) to plan the preoperative lengths of zygomatic implants (ZIs). METHODS The records of all patients that received such implants between March 2007 and March 2019 were evaluated. The ZI lengths predicted on the TDMs were compared to the lengths of the implants the patients received. RESULTS In total, the records of 74 patients were evaluated, of which 37 records met the criteria of inclusion, and were included in the study. Twenty-seven (73%) of the patients were female and 10 (27%) were male, ranging from 34 to 80 years of age, with the average age being 55.7 years. Seventeen (43.2%) of these patients were classified as ASA I and 21 (56.8%) as ASA II. A total of 142 ZIs were planned and installed in the time frame mentioned. Without distinguishing the region of the maxilla, the implants used were, on average, 1.1 mm larger in length than those initially planned. CONCLUSION Overall, the data indicates moderate agreement between the planned and surgical lengths of the ZIs and indicates that using TDMs is a predictable and reliable preoperative planning technique of the length of posterior ZIs.
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Affiliation(s)
- Thales Fabro Vanzela Sverzut
- Residency Training Program in Oral and Maxillofacial Surgery, School of Dentistry of Ribeirão Preto of the University of São Paulo, Avenida Do Café, s/n, Monte Alegre, Ribeirão Preto, São Paulo, 14040-904, Brazil
| | - Alexander Tadeu Sverzut
- Department of Oral Diagnosis, Maxillofacial Surgery Division, Piracicaba Dental School of the University of Campinas, Av. Limeira, 901, Bairro Areião, Piracicaba, São Paulo, 13414-903, Brazil
| | - Alexandre Elias Trivellato
- Department of Oral and Maxillofacial Surgery and Periodontology, School of Dentistry of Ribeirão Preto of the University of São Paulo, Avenida Do Café, s/n, Monte Alegre, Ribeirão Preto, São Paulo, 14040-904, Brazil
| | - Cássio Edvard Sverzut
- Department of Oral and Maxillofacial Surgery and Periodontology, School of Dentistry of Ribeirão Preto of the University of São Paulo, Avenida Do Café, s/n, Monte Alegre, Ribeirão Preto, São Paulo, 14040-904, Brazil.
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Richarz S, Isaak A, Aschwanden M, Partovi S, Staub D. Pre-procedure imaging planning for dialysis access in patients with end-stage renal disease using ultrasound and upper extremity computed tomography angiography: a narrative review. Cardiovasc Diagn Ther 2023; 13:122-132. [PMID: 36864964 PMCID: PMC9971300 DOI: 10.21037/cdt-21-797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Accepted: 04/20/2022] [Indexed: 11/06/2022]
Abstract
Background and Objective The incidence of patients with end-stage renal disease (ESRD) and subsequent need for dialysis is continuously rising. The detailed preoperative planning and careful creation of a functioning access for hemodialysis as a bridge to transplant or as a long-term solution, has a crucial role to reduce vascular access associated morbidity and mortality and improve quality of life of the ESRD patient population. In addition to a detailed medical workup including physical exam, a variety of imaging modalities exist to support further decision making with regard to the best suited vascular access for each individual patient. These modalities provide both, a comprehensive anatomical overview of the vascular tree and specific pathologic findings, which may increase the likelihood of access failure or insufficient access maturation. This manuscript aims to provide a comprehensive review of current literature and an overview of the different imaging modalities in vascular access planning. Additionally, we provide a step-by-step planning algorithm for hemodialysis access creation. Methods After searching in PubMed and Cochrane database of systematic review, we reviewed eligible English literatures published up to 2021, including guidelines and meta-analyses, retrospective and prospective cohort studies. Key Content and Findings Duplex ultrasound is widely accepted as first line imaging tool for preoperative vessel mapping. However, this modality has its inherent limitations, therefore specific questions can be assessed using digital subtraction angiography (DSA) or venography and computed tomography angiography (CTA). These modalities are more invasive, are associated with radiation exposure and require nephrotoxic contrast agents. Magnetic resonance angiography (MRA) may be an alternative in selected centers with available expertise. Conclusions Pre-procedure imaging recommendations are mainly based on retrospective (register-) studies and case-series. Prospective studies and randomized trials are primarily related to access outcomes in ESRD patients who underwent preoperative duplex ultrasound. Comparative prospective data related to invasive DSA and non-invasive cross-sectional imaging (CTA or MRA) are lacking.
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Affiliation(s)
- Sabine Richarz
- Vascular and Endovascular Surgery, University Hospital, Aarau-Basel, Switzerland
| | - Andrej Isaak
- Vascular and Endovascular Surgery, University Hospital, Aarau-Basel, Switzerland
| | - Markus Aschwanden
- Vascular Medicine/Angiology, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Sasan Partovi
- Interventional Radiology Section, Imaging Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - Daniel Staub
- Vascular Medicine/Angiology, University Hospital Basel and University of Basel, Basel, Switzerland
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De Rosa A, Guizzardi G, Moncada M, Roldán P, Ferrés A, Topczewski TE, Somma T, Cavallo LM, González J, Enseñat J, Di Somma A. Ultrasound-Oriented Surgical Planning ("UOSP") for Intracranial Lesions: A Systematic Integration to the Standard Preoperative Planning. World Neurosurg 2023; 170:e766-76. [PMID: 36455842 DOI: 10.1016/j.wneu.2022.11.122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 11/25/2022] [Accepted: 11/27/2022] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Intraoperative ultrasound (iUS) is a well-established technique whose aim is to provide real-time visualization of deep lesions during brain surgery. The lack of definition of anatomic semeiotics and the unusual direction of the insonation plane make interpretation and orientation challenging for the surgeon who newly approaches to such a tool. We propose a novel protocol to be applied during the surgical planning for intracranial lesions surgery, a so-called ultrasound-oriented surgical planning ("UOSP") protocol, and we provide a retrospective analysis of 21 patients who underwent surgery for an intracranial lesion in which UOSP was applied. To further enlighten different surgical orientation strategies and possible limitations given by the technique, we discuss 3 illustrative cases assigned to 3 categories ("basic," "intermediate," and "challenging" lesions) with progressively growing difficulty in anatomic orientation during a surgical procedure. METHODS A total of 21 patients operated between March 2021 and July 2021 and where the UOSP protocol was applied during surgical planning were evaluated retrospectively. The UOSP protocol was performed the days before the surgical intervention by the same surgical team. RESULTS The UOSP protocol was successfully applied in all 21 patients. In all cases, the preoperative imaging obtained during surgical planning corresponded to the images observed during the application of iUS. CONCLUSIONS The introduction of the UOSP protocol during the planification of the surgical intervention for an intracerebral lesion may serve as a key factor to overcome the actual limitations inherent to the iUS technique. Utilization of this protocol may facilitate wider use of iUS in neurosurgery.
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Velasquez Garcia A, Abdo G. Does computer-assisted navigation improve baseplate screw configuration in reverse shoulder arthroplasty? A systematic review and meta-analysis of comparative studies. J Orthop 2023; 36:29-35. [PMID: 36582549 PMCID: PMC9793209 DOI: 10.1016/j.jor.2022.12.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 10/18/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022] Open
Abstract
Introduction Navigation technologies have improved accuracy and precision in positioning glenoid components during shoulder arthroplasty. The influence of navigation on baseplate screw placement has not been independently investigated. This study aimed to evaluate and synthesize the best scientific evidence on the influence of intraoperative navigation on the length and number of screws for primary baseplate fixation in reverse total shoulder arthroplasty procedures. Methods In August 2022, PubMed, Scopus, and Embase databases were accessed. We analyzed the screw purchase length, the number of screws required for the fixation of the baseplate, and the proportion of cases fixed with two screws in all clinical trials, comparing navigation to standard instrumentation for reverse shoulder arthroplasty. Following an evaluation of the heterogeneity of the studies, DerSimonian-Laird random-effects models were utilized to merge data from separate studies. Results The systematic search revealed a total of 2034 articles. After excluding duplicates and irrelevant studies, 633 shoulder arthroplasties from 6 trials were included in the analysis. The pooled mean difference in screw purchase length was 5.839 mm (95 %CI 4.496 to 7. 182) in favor of navigation (P < .001). In addition, significant differences were also found in the number of screws per case (- 0.547, 95 %CI -0.890 to -0.203, P = .002) and in the proportion of cases fixed with two screws (Odds Ratio 3.182 95 %CI 1.057 to 9.579, P = .040) in favor of the navigation group. Conclusions Intraoperative navigation improves the baseplate screw placement, allowing for a greater screw purchase length and fewer screws to achieve primary fixation of the glenoid component during reverse shoulder arthroplasty. It is unclear whether these improvements will increase the longevity of the prosthesis or the clinical outcomes of the patients.
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Affiliation(s)
- Ausberto Velasquez Garcia
- Department of Orthopedic Surgery, Clinica Universidad de Los Andes, Santiago, Chile
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Glen Abdo
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
- St Mary's General Hospital, Department of Graduate Medical Education, Internal Medicine Residence Program, Passaic, NJ, USA
- Department of Basic Sciences, Touro College of Osteopathic Medicine, New York, NY, USA
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Guehring T, Navas L, Westrich J, Zimmerer A, Schmidt S, Barrientos M, Ulmar B. Analysis and 3D correction of glenoid dysplasia with metal hemi-wedge base plate augment: short-term radiographic outcomes. Arch Orthop Trauma Surg 2023:10.1007/s00402-023-04781-6. [PMID: 36705760 PMCID: PMC10374695 DOI: 10.1007/s00402-023-04781-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 01/13/2023] [Indexed: 01/28/2023]
Abstract
BACKGROUND Glenoid defects can be addressed traditionally by asymmetric reaming or by bone-preserving correction to a more lateral joint line by bone or metal augmented baseplates in reverse shoulder arthroplasties. While there is more evidence in literature regarding the outcome and complications of Bony Increased Offset Reversed Shoulder Arthroplasty (BIO-RSA), there is minimal reported experience with the outcome after metal glenoid augments. The aim of this study was to determine whether a metal augment can correct the glenoid deformity in an anatomic manner. METHODS Glenoid morphology and deformity were determined in 50 patients with Walch type B1, B2, D and Favard type E0-E3 glenoid defects using preoperative radiographic and computed tomography (CT) analysis. All patients received a preoperative planning CT with 3D planning, and measurements of glenoid inclination (in 3 planes proximal, middle, distal), reversed shoulder arthroplasty angle (RSA) and glenoid version were obtained. All patients had a pathologic inclination in the coronal or frontal planes of > 10°. Above the threshold of 10° pathological glenoid version or inclination metal hemi-augments of 10°, 20°, or 30° were used which allow an individual 360° augment positioning according to the patient glenoid deformity. RESULTS The mean preoperative numbers of the glenoid version demonstrate that most glenoids were in retroversion and superior inclination. In total 2410° wedges, 1820° wedges and 8 30° wedges were used. In the majority of cases, the wedge was positioned posteriorly and/or cranially between 10:00 and 12:00 o'clock, which allows a correction in a 3D manner of the glenoid inclination and version. The mean RSA angle could be corrected from 22.76 ± 6.06 to 0.19° ± 2.7 (p < 0.0001). The highest retroversion of the glenoid is evidenced in the proximal section and it could be corrected from - 23.32° ± 4.56 to - 6.74° ± 7.75 (p < 0.0001) and in the middle section from - 18.93° ± 3.35 to - 7.66° ± 5.28 (p < 0.0001). A mean sphere bone overhang distance (SBOD) of 5.70 ± 2.04 mm was found in order to avoid or minimize relevant scapular notching. CONCLUSION By using a new 360° metal-augmented baseplate, the preoperative pathological inclination and retroversion can be corrected without medialization of the joint line. Future clinical results will show whether this bone-preserving procedure improves also the clinical outcomes as compared to asymmetric medialized reaming or wedged BIO-RSA. LEVEL OF EVIDENCE Level IV, Case series.
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Affiliation(s)
- Thorsten Guehring
- Department of Orthopaedic and Trauma Surgery, Orthopädische Klinik Paulinenhilfe, Diakonie Klinikum, Rosenbergstrasse 38, 70176, Stuttgart, Germany
| | - Luis Navas
- Department of Orthopaedic and Trauma Surgery, Orthopädische Klinik Paulinenhilfe, Diakonie Klinikum, Rosenbergstrasse 38, 70176, Stuttgart, Germany.
| | - Jan Westrich
- Department of Orthopaedic and Trauma Surgery, Orthopädische Klinik Paulinenhilfe, Diakonie Klinikum, Rosenbergstrasse 38, 70176, Stuttgart, Germany
| | - Alexander Zimmerer
- ARCUS Sportklinik, Rastatterstraße 17-19, 72175, Pforzheim, Germany.,Department of Orthopaedics and Orthopaedic Surgery, University Medicine Greifswald, Ferdinand-Sauerbruch-Straße, 17475, Greifswald, Germany
| | - Sebastian Schmidt
- Department of Orthopaedic and Trauma Surgery, Orthopädische Klinik Paulinenhilfe, Diakonie Klinikum, Rosenbergstrasse 38, 70176, Stuttgart, Germany
| | - Miguel Barrientos
- Arthroplasty Division, Mount Sinai Hospital, University of Toronto, 600 University Drive, Toronto, Canada
| | - Benjamin Ulmar
- ARCUS Sportklinik, Rastatterstraße 17-19, 72175, Pforzheim, Germany
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Ruzzenente A, Alaimo L, Conci S, De Bellis M, Marchese A, Ciangherotti A, Campagnaro T, Guglielmi A. Hyper accuracy three-dimensional (HA3D™) technology for planning complex liver resections: a preliminary single center experience. Updates Surg 2023; 75:105-114. [PMID: 36006558 PMCID: PMC9834350 DOI: 10.1007/s13304-022-01365-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 08/17/2022] [Indexed: 01/16/2023]
Abstract
Three-dimensional visualization technology (3DVT) has been recently introduced to achieve a precise preoperative planning of liver surgery. The aim of this observational study was to assess the accuracy of 3DVT for complex liver resections. 3DVT with hyper accuracy three-dimensional (HA3D™) technology was introduced at our institution on February 2020. Anatomical characteristics were collected from two-dimensional imaging (2DI) and 3DVT, while intraoperative and postoperative outcomes were recorded prospectively. A total of 62 patients were enrolled into the study. 3DVT was able to study tumor extension and liver anatomy, identifying at least one vascular variation in 37 patients (59.7%). Future remnant liver volume (FRLV) was measured using 2DI and 3DVT. The paired samples t test assessed positive correlation between the two methods (p < 0.001). At least one vessel was suspected to be invaded by the tumor in 8 (15.7%) 2DI cases vs 16 (31.4%) 3DVT cases, respectively. During surgery, vascular invasion was detected in 17 patients (33.3%). A total of 73 surgical procedures were proposed basing on 2DI, including 2 alternatives for 16 patients. After 3DVT, the previously planned procedure was changed in 15 cases (29.4%), due to the clearer information provided. A total of 51 patients (82%) underwent surgery. The most frequent procedure was right hepatectomy (33.3%), followed by left hepatectomy (23.5%) and left trisectionectomy (13.7%). Vascular resection and reconstruction were performed in 10 patients (19.6%) and portal vein was resected in more than half of these cases (66.7%). 3DVT leads to a more detailed and tailored approach to complex liver surgery, improving surgeons' knowledge of liver anatomy and accuracy of liver resection.
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Affiliation(s)
- Andrea Ruzzenente
- Department of Surgery, Dentistry, Gynecology and Pediatrics, Division of General and Hepato-Biliary Surgery, University of Verona, P. le L.A. Scuro 10, 37134, Verona, Italy.
| | - Laura Alaimo
- Department of Surgery, Dentistry, Gynecology and Pediatrics, Division of General and Hepato-Biliary Surgery, University of Verona, P. le L.A. Scuro 10, 37134, Verona, Italy
| | - Simone Conci
- Department of Surgery, Dentistry, Gynecology and Pediatrics, Division of General and Hepato-Biliary Surgery, University of Verona, P. le L.A. Scuro 10, 37134, Verona, Italy
| | - Mario De Bellis
- Department of Surgery, Dentistry, Gynecology and Pediatrics, Division of General and Hepato-Biliary Surgery, University of Verona, P. le L.A. Scuro 10, 37134, Verona, Italy
| | - Andrea Marchese
- Department of Surgery, Dentistry, Gynecology and Pediatrics, Division of General and Hepato-Biliary Surgery, University of Verona, P. le L.A. Scuro 10, 37134, Verona, Italy
| | - Andrea Ciangherotti
- Department of Surgery, Dentistry, Gynecology and Pediatrics, Division of General and Hepato-Biliary Surgery, University of Verona, P. le L.A. Scuro 10, 37134, Verona, Italy
| | - Tommaso Campagnaro
- Department of Surgery, Dentistry, Gynecology and Pediatrics, Division of General and Hepato-Biliary Surgery, University of Verona, P. le L.A. Scuro 10, 37134, Verona, Italy
| | - Alfredo Guglielmi
- Department of Surgery, Dentistry, Gynecology and Pediatrics, Division of General and Hepato-Biliary Surgery, University of Verona, P. le L.A. Scuro 10, 37134, Verona, Italy
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Simmons CS, Roche C, Schoch BS, Parsons M, Aibinder WR. Surgeon confidence in planning total shoulder arthroplasty improves after consulting a clinical decision support tool. Eur J Orthop Surg Traumatol 2022:10.1007/s00590-022-03446-1. [PMID: 36436090 DOI: 10.1007/s00590-022-03446-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 11/20/2022] [Indexed: 06/16/2023]
Abstract
PURPOSE Software algorithms are increasingly available as clinical decision support tools (CDSTs) to support shared decision-making. We sought to understand if patient-specific predictions from a CDST would impact orthopedic surgeons' preoperative planning decisions and corresponding confidence. METHODS We performed a survey study of orthopedic surgeons with at minimum of 2 years of independent shoulder arthroplasty experience. We generated patient profiles for 18 faux cases presenting with glenohumeral osteoarthritis and emailed 93 surgeons requesting their recommendation for anatomic or reverse total shoulder arthroplasty for each case and their certainty in their recommendation on a 4-point Likert scale. The thirty respondents were later sent a second survey with the same cases that now included predicted patient-specific outcomes and complication rates generated by a CDST. RESULTS Initial recommendations and changes in recommendation varied widely by surgeon and by case. After viewing the results of the CDST, surgeons switched from anatomic to reverse recommendations in 46 instances (12% of initial anatomic) and from reverse to anatomic in 22 instances (6% of initial reverse). Overall, surgeon change in confidence increased significantly across all responses (p = 0.0001), with certain cases and certain surgeons having significant changes. Change in confidence did not correlate with surgeon-specific factors, including years in practice. CONCLUSION The addition of CDST reports to preoperative planning for anatomic and reverse total shoulder arthroplasty informed decision-making but did not direct recommendations uniformly. However, the CDST information provided did increase surgeon confidence regardless of implant selection and irrespective of surgeon experience.
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Affiliation(s)
| | | | - Bradley S Schoch
- Department of Orthopedic Surgery, Mayo Clinic, Jacksonville, FL, USA
| | - Moby Parsons
- The Knee Hip and Shoulder Center, Portsmouth, NH, USA
| | - William R Aibinder
- Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, MI, USA.
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Jiang L, Li H, Huang L. The Efficacy of 3D Printing Model in the Intraarticular Osteotomy in the Treatment of Malunion of Tibial Plateau Fracture. Orthop Surg 2022; 15:85-92. [PMID: 36373339 PMCID: PMC9837246 DOI: 10.1111/os.13554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 09/14/2022] [Accepted: 09/15/2022] [Indexed: 11/16/2022] Open
Abstract
OBJECTIVES Three-dimensional (3D) printing technology has shown potential advantages in accurate and efficient tibial plateau fracture (TPF) treatment. This technology can provide structural morphology to repair fracture fragments. Here, we summarize our experience with the use of 3D printing technology during intraarticular osteotomy in the treatment of the malunion of TPF. METHODS The patients who were treated with malunion of TPF in our hospital between January 2015 and December 2018 were retrospectively analyzed. These patients were divided into two groups: the conventional group without 3D-printed model application and the 3D printing group with 3D-printed model application. All patients received the intraarticular osteotomy during operation, and we compared the operation time (min), fracture healing time (months), postoperative knee Rasmussen scores (0-30 points), knee mobility range (0-140°) (the independent t-test), fracture reduction evaluation (Biggi's method) (the chi-square test: Fisher's exact test), and postoperative complications of each group. RESULTS Twenty-six patients aged 18-65 years who underwent TPF revision operation were included in this study, including 18 patients in the conventional group, and eight patients in the 3D printing group. The follow-up time was 24-48 months, and the operation time was 185 min in the conventional group and 180 min in the 3D printing group. All patients received a bone union at the last follow-up. The healing time was 4.2 months in the conventional group and 3.75 months in the 3D printing group (p > 0.05). The respective postoperative Rasmussen scores were 24.6 and 26.2, and postoperative knee mobility was 103.5° and 118.5° in the conventional group and 3D printing group, respectively. Both the Rasmussen scores and degrees of mobility were significantly improved after surgery (p < 0.05), and the postoperative knee mobility was significantly better in the 3D printing group versus the conventional group (p < 0.05). Four patients still had a 2-mm collapse on the articular surface, and two patients still had slight valgus (<5°) in the conventional group. Only one case in the 3D printing group suffered from an articular surface collapse. Superficial wound infections occurred in two patients in the conventional group. CONCLUSION The results show that 3D printing technology is an effective preoperative preparation in the treatment of TPF malunion. This technology can facilitate accurate preoperative planning to select the optimal surgical approach, plan the implant placement, visualize the screw trajectory, and anticipate possible intraoperative difficulties.
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Affiliation(s)
- Liangjun Jiang
- Department of Orthopaedic Surgery, The Second Affiliated HospitalZhejiang University School of MedicineHangzhouChina,Orthopaedics Research Institute of Zhejiang UniversityHangzhouChina,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang ProvinceHangzhouChina,Clinical Research Center of Motor System Disease of Zhejiang Province PR ChinaHangzhouChina
| | - Hang Li
- The Orthopaedics Department of 2nd Affiliated Hospital of Medical College of Zhejiang UniversityHangzhouChina
| | - Lu Huang
- Department of Orthopaedic Surgery, The Second Affiliated HospitalZhejiang University School of MedicineHangzhouChina,Orthopaedics Research Institute of Zhejiang UniversityHangzhouChina,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang ProvinceHangzhouChina,Clinical Research Center of Motor System Disease of Zhejiang Province PR ChinaHangzhouChina
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Dubron K, Van Camp P, Jacobs R, Politis C, Shaheen E. Accuracy of virtual planning and intraoperative navigation in zygomaticomaxillary complex fractures: A systematic review. J Stomatol Oral Maxillofac Surg 2022; 123:e841-e848. [PMID: 35809796 DOI: 10.1016/j.jormas.2022.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 06/29/2022] [Accepted: 07/05/2022] [Indexed: 10/17/2022]
Abstract
OBJECTIVE This systematic review aims to investigate the effect of virtual planning on the treatment of zygomaticomaxillary complex (ZMC) traumatology followed by intraoperative navigation. Furthermore, clinical outcomes following intraoperative navigation surgery or conventional surgery will be compared. MATERIALS AND METHODS A systematic literature search was conducted in PubMed, Embase, Web-of-Science, and Cochrane on January 1st, 2022. Inclusion criteria were articles using preoperative three-dimensional (3D) virtual planning combined with intraoperative navigation or comparing these 3D methods with conventional methods. Furthermore, at least one of the following outcomes needed to be included in the article: technical accuracy of the procedure, preoperative planning time, operative time, number of fixation points, patient satisfaction, complications, or total costs of the intervention. RESULTS Following the screening of 4478 articles, 17 were included. Five articles appeared to indicate a significantly better technical linear accuracy, one article reported better accuracy for rotation and two articles showed better accuracy in restoring orbital volume when using navigation. Nine articles investigated operative time with varying results. Seven articles calculated the additional costs, of which three concluded no extra cost while the others indicated high additional costs or questionable cost-effectiveness. CONCLUSION Virtual planning and intraoperative navigation technologies have the potential to assist maxillofacial trauma surgeons in reducing ZMC fractures significantly more accurately and restoring the facial contour in a less invasive manner at an acceptable cost. REGISTRATION The protocol for this systematic review (CRD42020216717) was registered in the International Prospective Register of Systematic Reviews (PROSPERO).
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Affiliation(s)
- Kathia Dubron
- Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Belgium; Department of Imaging and Pathology, OMFS IMPATH Research Group, Department of Imaging & Pathology, University Hospitals Leuven, Belgium
| | - Philippe Van Camp
- Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Belgium; Department of Oral and Maxillofacial Surgery, St-Blasius Hospital, Dendermonde, Belgium
| | - Reinhilde Jacobs
- Department of Imaging and Pathology, OMFS IMPATH Research Group, Department of Imaging & Pathology, University Hospitals Leuven, Belgium; Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden.
| | - Constantinus Politis
- Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Belgium; Department of Imaging and Pathology, OMFS IMPATH Research Group, Department of Imaging & Pathology, University Hospitals Leuven, Belgium
| | - Eman Shaheen
- Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Belgium; Department of Imaging and Pathology, OMFS IMPATH Research Group, Department of Imaging & Pathology, University Hospitals Leuven, Belgium
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Chen J, Zheng Y, Fang Z, Zhou W, Xu D, Wang G, Cai X, Liu X. One-stop computerized virtual planning system for the surgical management of posterior wall acetabular fractures. J Orthop Surg Res 2022; 17:439. [PMID: 36195909 PMCID: PMC9531475 DOI: 10.1186/s13018-022-03333-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 09/18/2022] [Indexed: 11/30/2022] Open
Abstract
Background Posterior wall acetabular fractures remain one of the most difficult fracture injuries to treat. Accurate assessment of fracture characteristics and appropriate preoperative surgical strategies are essential for excellent reduction. This paper evaluates the feasibility and effectiveness of a one-stop computerized virtual planning system for the surgical management of posterior wall acetabular fractures.
Methods 52 cases of posterior wall acetabular fractures treated surgically were selected in our department between January 2015 and December 2020 for retrospective analysis. 52 cases were classified into group A (25 patients) and group B (27 patients) according to whether computerized virtual planning procedures were performed preoperatively. In group A, virtual surgical simulation was conducted using a one-stop computerized planning system preoperatively. In group B, traditional surgery was employed. Reduction quality, surgical time, blood loss, hip function, complications, and instrumentation time were compared between the two groups. Results The actual surgery for all patients in group A was essentially the same as the virtual surgery before the operation. Compared to group B, patients in group A had markedly shorter surgical time (−43 min), shorter instrumentation time (−20 min), and less intraoperative blood loss (−130 ml). However, no significant statistical difference was observed in reduction quality and hip function. The complication rate was slightly lower in group A (4/25) than in group B (7/27), without a significant difference. Conclusion The one-stop computerized virtual planning system is a highly effective, user-friendly and educational tool for allowing the cost-efficient surgical simulation of posterior wall acetabular fractures and providing a more individualized therapeutic schedule. The one-stop computerized planning system is feasible to treat posterior wall acetabular fractures, which is an effective method than the conventional treatment of posterior wall acetabular fractures. Trial registration: retrospective registration.
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Affiliation(s)
- Jianan Chen
- Department of Orthopedics, General Hospital of Central Theater Command, 627 Wuluo Road, Wuchang District, Wuhan City, Hubei Province, China.,The First School of Clinical Medicine, Southern Medical University, Guangzhou City, Guangdong Province, China
| | - Yifan Zheng
- Department of Orthopedics, General Hospital of Central Theater Command, 627 Wuluo Road, Wuchang District, Wuhan City, Hubei Province, China.,The First School of Clinical Medicine, Southern Medical University, Guangzhou City, Guangdong Province, China
| | - Zhixun Fang
- Department of Orthopedics, General Hospital of Central Theater Command, 627 Wuluo Road, Wuchang District, Wuhan City, Hubei Province, China.,The First School of Clinical Medicine, Southern Medical University, Guangzhou City, Guangdong Province, China
| | - Wei Zhou
- Department of Orthopedics, General Hospital of Central Theater Command, 627 Wuluo Road, Wuchang District, Wuhan City, Hubei Province, China
| | - Dan Xu
- Department of Orthopedics, General Hospital of Central Theater Command, 627 Wuluo Road, Wuchang District, Wuhan City, Hubei Province, China
| | - Guodong Wang
- Department of Orthopedics, General Hospital of Central Theater Command, 627 Wuluo Road, Wuchang District, Wuhan City, Hubei Province, China
| | - Xianhua Cai
- Department of Orthopedics, General Hospital of Central Theater Command, 627 Wuluo Road, Wuchang District, Wuhan City, Hubei Province, China
| | - Ximing Liu
- Department of Orthopedics, General Hospital of Central Theater Command, 627 Wuluo Road, Wuchang District, Wuhan City, Hubei Province, China.
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Ozturk AM, Ozer MA, Suer O, Derin O, Govsa F, Aktuglu K. Evaluation of the effects of using 3D - patient specific models of displaced intra - articular calcaneal fractures in surgery. Injury 2022; 53 Suppl 2:S40-S51. [PMID: 32456955 DOI: 10.1016/j.injury.2020.04.057] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 04/26/2020] [Accepted: 04/29/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND It was aimed to compare conventional surgery and three-dimensional (3D) model-assisted surgery used in the treatment of calcaneal fractures. MATERIALS & METHODS A total of 37 patients with unilateral calcaneal fractures were randomly divided into two groups as a conventional surgery group (n: 19) and a 3D model-assisted surgery group (n: 18). The preoperative, postoperative and last follow up angles of the Bohler and Gissane, calcaneal width and facet height were measured. The duration of the operation, blood loss volume, fluoroscopy usage, instrumentation time for both groups were recorded. Finally, the follow-up AOFAS scores were evaluated. A questionnaire was used to determine the perceptions of the resident doctors about the 3D model. RESULTS The duration of the operation, blood loss volume, fluoroscopy usage, instrumentation time for 3D model-assisted surgery group were 83.3 ± 4.6 minutes, 83.6 ± 4.6 ml, 6.8 ± 1.4 times and 13.0 ± 0.8 weeks, and as for conventional group they were 130.0 ± 5.8 minutes, 105.1 ± 5.6 minutes, 11.7 ± 1.5 ml, 22.2 ± 2.4 times and 13.3 ± 0.8 weeks, respectively (p < 0.0001). The both groups significantly restored Bohler angle, Gissane angle, calcaneal width and calcaneal facet height after operation (p < 0.0001). The 3D model-assisted group was significantly more succesful in restoration and protection of achieved correction of calcanel facet height (p < 0.0001). The difference was determined among the groups at the final follow-up examination with respect to the amount of change according the values achieved post-op. were significant in Bohler angle (p < 0.001), calcaneal facet height (p < 0.0001) and calcaneal widht (p = 0.017). There was no significant difference between AOFAS scores of the two groups at last follow-up. Resident doctors exhibited high scores of overall satisfaction with the use of a 3D printing model. CONCLUSIONS Compared to the conventional group, the 3D model-assisted group provide successful intervention and reduce operation, instrumentation time and the fluoroscopy usage with less blood loss. Performing 3D-assisted surgery helps the quality of reduction during the surgery and stability of internal fixation to protect achieved reduction at follow-up more succesfully.
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Affiliation(s)
- Anil Murat Ozturk
- Department of Ortopaedic Surgery, Faculty of Medicine, Ege University, Izmir, TURKEY
| | - Mehmet Asim Ozer
- Department of Anatomy Digital Imaging and 3D Modelling Laboratory, Faculty of Medicine, Ege University, Izmir, TURKEY
| | - Onur Suer
- Department of Ortopaedic Surgery, Faculty of Medicine, Ege University, Izmir, TURKEY
| | - Okan Derin
- Department of Anatomy Digital Imaging and 3D Modelling Laboratory, Faculty of Medicine, Ege University, Izmir, TURKEY
| | - Figen Govsa
- Department of Anatomy Digital Imaging and 3D Modelling Laboratory, Faculty of Medicine, Ege University, Izmir, TURKEY
| | - Kemal Aktuglu
- Department of Ortopaedic Surgery, Faculty of Medicine, Ege University, Izmir, TURKEY.
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Ahmed F, Jahagirdar V, Gudapati S, Mouchli M. Three-dimensional visualization and virtual reality simulation role in hepatic surgery: Further research warranted. World J Gastrointest Surg 2022; 14:723-726. [PMID: 36158284 PMCID: PMC9353753 DOI: 10.4240/wjgs.v14.i7.723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 04/05/2022] [Accepted: 06/26/2022] [Indexed: 02/06/2023] Open
Abstract
Artificial intelligence (AI) is the study of algorithms that enable machines to analyze and execute cognitive activities including problem solving, object and word recognition, reduce the inevitable errors to improve the diagnostic accuracy, and decision-making. Hepatobiliary procedures are technically complex and the use of AI in perioperative management can improve patient outcomes as discussed below. Three-dimensional (3D) reconstruction of images obtained via ultrasound, computed tomography scan or magnetic resonance imaging, can help surgeons better visualize the surgical sites with added depth perception. Pre-operative 3D planning is associated with lesser operative time and intraoperative complications. Also, a more accurate assessment is noted, which leads to fewer operative complications. Images can be converted into physical models with 3D printing technology, which can be of educational value to students and trainees. 3D images can be combined to provide 3D visualization, which is used for preoperative navigation, allowing for more precise localization of tumors and vessels. Nevertheless, AI enables surgeons to provide better, personalized care for each patient.
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Affiliation(s)
- Faiza Ahmed
- Division of Clinical and Translational Research, Larkin Community Hospital, South Miami, FL 33143, United States
| | - Vinay Jahagirdar
- Department of Internal Medicine, University of Missouri Kansas City School of Medicine, Kansas City, MO 64108, United States
| | - Sravya Gudapati
- Department of Gastroenterology, The Illinois Center for Digestive and Liver Health, Chicago, IL 60660, United States
| | - Mohamad Mouchli
- Department of Gastroenterology, Cleveland Clinic, Cleveland, OH 44195, United States
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50
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Lourens E, Kurmis AP, Lim WY. Clinical Impact of Pelvic Malrotation on Radiograph-Based Preoperative Planning for Total Hip Arthroplasty: A Proof-of-Concept and Prudent Prediction of Acceptable Rotation. Indian J Orthop 2022; 56:1053-1060. [PMID: 35669020 PMCID: PMC9123151 DOI: 10.1007/s43465-022-00626-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 03/10/2022] [Indexed: 02/04/2023]
Abstract
Introduction Pelvic rotation (PR) on preoperative radiograph templating can affect various critical measured acetabular angles and potentially outcomes of successful total hip arthroplasty (THA). Optimising anatomical reconstruction of the joint is essential to achieve function, longevity and prevention of complications following surgery. There is limited literature that standardises the degree of acceptable PR on radiograph or its effects on the fitting of acetabular prostheses. Objective This study aimed to develop a proof-of-concept that quantifies how PR can affect various acetabular angles used in pre-operative THA templating and to formulate a practicable method of determining if the preoperative PR is acceptable. Materials and methods Computerised tomography (CT) models from three control and two THA patients were generated and manipulated in various degrees of PR. CT slices were thickened to simulate radiographs and acetabular angles measured. Results The acetabular anteversion distance (AAD) and lateral opening angle (LOA) demonstrated a linear and quadratic relationship with good correlation (R 2 = 0.923, R 2 = 0.710 respectively, p < 0.0001) in relation to PR. Change in area of prosthesis (AOP) demonstrated a good linear correlation (r 2 = 0.774 and r 2 = 0.875, p < 0.0001) with PR. Two novel measurements were used to estimate the degree of PR from a pelvic radiograph; the horizontal distance between pubic symphysis and middle of sacrococcygeal joint (PSSC) and the simplified pelvic rotation ratio (SPRR). A strong correlation between PSSC and SPRR with change in PR was observed (R 2 = 0.970, R 2 = 0.953, p < 0.001). Conclusion Preliminary result suggests that an SPRR > 2.0 correlates to PR > 20° with potential to have a clinical impact on preoperative measurements.
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Affiliation(s)
- Ernest Lourens
- Lyell McEwin Hospital, Haydown Road, Elizabeth Vale, SA 5112 Australia
| | - Andrew P. Kurmis
- Lyell McEwin Hospital, Haydown Road, Elizabeth Vale, SA 5112 Australia
| | - Wan Yin Lim
- Royal Adelaide Hospital, Port Rd, Adelaide, SA 5000 Australia
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