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Hecht CJ, Nedder VJ, Porto JR, Morgan KA, Kamath AF. Are robotic-assisted and computer-navigated total hip arthroplasty associated with superior outcomes in patients who have hip dysplasia? J Orthop 2024; 53:125-132. [PMID: 38515529 PMCID: PMC10950562 DOI: 10.1016/j.jor.2024.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 03/03/2024] [Accepted: 03/06/2024] [Indexed: 03/23/2024] Open
Abstract
Introduction Robotic-assisted (RA) and computer-navigated (CN) total hip arthroplasty (THA) have been demonstrated to improve component placement accuracy compared to manual THA (mTHA) for primary osteoarthritis. As hip dysplasia presents several additional challenges in component placement accuracy and leg length discrepancy (LLD) correction during THA, a systematic review was conducted to evaluate whether utilizing these platforms may be associated with superior outcomes over mTHA in patients who have hip dysplasia. Methods PubMed, Medline, EBSCOhost, and Google Scholar were searched on September 13, 2023 to identify comparative studies published after January 1, 2000 that evaluated outcomes of RA-THA or CN-THA in patients who have hip dysplasia. The query yielded 197 unique articles, which were screened for alignment with the study aims. After screening, 10 studies fulfilled all inclusion criteria, comprising 946 patients. Risk of bias was evaluated via the Methodological Index for Nonrandomized Studies tool, and the mean score was 21.2 ± 1.5. Results Both RA-THA and CN-THA were not associated with improved acetabular anteversion and inclination when evaluating Crowe I-IV types altogether compared to mTHA, but studies reported improved accuracy for each Crowe I and II cases when assessed individually. While studies reporting acetabular cup placement within the Lewinnek and Callanan safe zones consistently found higher odds of accurate positioning for RA-THA versus mTHA, accuracy in achieving targeted center of rotation was mixed. Also, studies reported no difference in LLD restoration for RA-THA and CN-THA compared to mTHA. While operative time may be increased when utilizing these platforms, they may also expedite specific sequences, offsetting most of the increase in operative time. Conclusion This review highlights the advantages of RA-THA and CN-THA for patients who have DDH, particularly when treating Crowe I and II types as superior radiographic outcomes were achieved with these intraoperative technologies. However, there remains a need for studies to investigate whether this results in patient-reported outcome measures.
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Affiliation(s)
- Christian J. Hecht
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, OH, 44195, USA
| | - Victoria J. Nedder
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, OH, 44195, USA
| | - Joshua R. Porto
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, OH, 44195, USA
| | - Kerry A. Morgan
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, OH, 44195, USA
| | - Atul F. Kamath
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, OH, 44195, USA
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Hecht CJ, Porto JR, Sanghvi PA, Homma Y, Sculco PK, Kamath AF. Contemporary analysis of the learning curve for robotic-assisted total hip arthroplasty emerging technologies. J Robot Surg 2024; 18:160. [PMID: 38578350 DOI: 10.1007/s11701-024-01928-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 03/24/2024] [Indexed: 04/06/2024]
Abstract
Robotic assisted (RA) total hip arthroplasty (THA) offers improved acetabular component placement and radiographic outcomes, but inconsistent assessment methods of its learning curves render the evaluation of adopting novel platforms challenging. Therefore, we conducted a systematic review to assess the learning curve associated with RA-THA, both tracking a surgeon's performance across initial cases and comparing their performance to manual THA (M-THA). PubMed, MEDLINE, EBSCOhost, and Google Scholar were searched on June 16, 2023, to identify studies published between January 1, 2000 and June 16, 2023 (PROSPERO registration: CRD42023437339). The query yielded 655 unique articles, which were screened for eligibility. The final analysis included 11 articles, evaluating 1351 THA procedures. Risk of bias was assessed via the Methodological Index for Nonrandomized Studies (MINORS) tool. The mean MINORS score was 21.3 ± 0.9. RA-THA provided immediate improvements in acetabular component placement accuracy and radiographic outcomes compared to M-THA, with little to no experience required to achieve peak proficiency. A modest learning curve (12-17 cases) was associated with operative time, which was elevated compared to M-THA (+ 9-13 min). RA-THA offers immediate advantages to M-THA for component placement accuracy and radiographic outcomes. Surgeons should expect to experience increased operative times, which become less pronounced or equivalent to M-THA after a modest caseload.
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Affiliation(s)
- Christian J Hecht
- Department of Orthopaedic Surgery, Center for Hip Preservation, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH, 44195, USA
| | - Joshua R Porto
- Department of Orthopaedic Surgery, Center for Hip Preservation, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH, 44195, USA
| | - Parshva A Sanghvi
- Department of Orthopaedic Surgery, Center for Hip Preservation, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH, 44195, USA
| | - Yasuhiro Homma
- Department of Medicine for Orthopaedics and Motor Organs, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
- Department of Orthopaedics, Faculty of Medicine, Juntendo University, Bunkyo-ku, Tokyo, Japan
| | - Peter K Sculco
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, 10021, USA
| | - Atul F Kamath
- Department of Orthopaedic Surgery, Center for Hip Preservation, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH, 44195, USA.
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Buchan GBJ, Ong CB, Hecht Ii CJ, DeCook CA, Spencer-Gardner LS, Kamath AF. Use of a fluoroscopy-based robotic-assisted total hip arthroplasty system produced greater improvements in patient-reported outcomes at one year compared to manual, fluoroscopic-assisted technique. Arch Orthop Trauma Surg 2024; 144:1843-1850. [PMID: 38400899 PMCID: PMC10965579 DOI: 10.1007/s00402-024-05230-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 02/15/2024] [Indexed: 02/26/2024]
Abstract
INTRODUCTION The adoption of new technology should be supported by improvements in patient-reported outcomes (PROMs). The purpose of this study was to assess the one-year PROMs of patients who underwent total hip arthroplasty (THA) using a novel, fluoroscopy-based, robotic-assisted (RA-THA) system when compared to a manual, fluoroscopic-assisted technique (mTHA). MATERIALS AND METHODS A review of 91 consecutive mTHA and 85 consecutive RA-THA via a direct anterior approach was conducted. All cases were performed by the same surgeon at the same institution, for a pre-operative diagnosis of osteoarthritis, avascular necrosis, or rheumatoid arthritis. Outcomes included one-year Veterans RAND-12 (VR-12) Physical/Mental, Hip Disability and Osteoarthritis Outcome (HOOS) Pain/Physical Function/Joint Replacement, and University of California Los Angeles (UCLA) Activity scores, as well as the difference between pre-operative and one-year post-operative PROMs. RESULTS Patients in the RA-THA cohort had lower pre-operative HOOS-JR scores compared to patients in the mTHA cohort (37.0 vs. 43.1; p = 0.031). Cohorts experienced similar one-year post-operative VR-12, HOOS, and UCLA Activity scores. Patients in the RA-THA cohort experienced greater improvements across all pre- and post-operative HOOS scores compared to patients in the mTHA cohort: Pain (+ 54.7 vs. +42.1; p = 0.009), Physical Function (-41.6 vs. -28.7; p = 0.007), and Joint Replacement (+ 46.6 vs. +33.0; p = 0.002). These differences exceeded minimum clinically important difference (MCID). CONCLUSIONS Both manual and robotic cohorts experienced benefit from THA at one-year post-operative. Importantly, the use of a novel, fluoroscopy-based robotic assistance system for primary THA resulted in greater improvements in PROMs at one-year relative to manual technique.
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Affiliation(s)
- Graham B J Buchan
- Department of Orthopaedic Surgery, Orthopaedic and Rheumatologic Institute, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH, 44195, USA
| | - Christian B Ong
- Department of Orthopaedic Surgery, Orthopaedic and Rheumatologic Institute, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH, 44195, USA
| | - Christian J Hecht Ii
- Department of Orthopaedic Surgery, Orthopaedic and Rheumatologic Institute, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH, 44195, USA
| | - Charles A DeCook
- Arthritis and Total Joint Specialists, 2000 Howard Farm Drive, Suite 200, Cumming, GA, 30041, USA
| | - Luke S Spencer-Gardner
- Department of Orthopaedic Surgery, Mayo Clinic, 4500 San Pablo Rd S, Jacksonville, FL, 32224, USA
| | - Atul F Kamath
- Department of Orthopaedic Surgery, Orthopaedic and Rheumatologic Institute, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH, 44195, USA.
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Fontalis A, Kayani B, Plastow R, Giebaly DE, Tahmassebi J, Haddad IC, Chambers A, Mancino F, Konan S, Haddad FS. A prospective randomized controlled trial comparing CT-based planning with conventional total hip arthroplasty versus robotic arm-assisted total hip arthroplasty. Bone Joint J 2024; 106-B:324-335. [PMID: 38555946 DOI: 10.1302/0301-620x.106b4.bjj-2023-1045.r1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/02/2024]
Abstract
Aims Achieving accurate implant positioning and restoring native hip biomechanics are key surgeon-controlled technical objectives in total hip arthroplasty (THA). The primary objective of this study was to compare the reproducibility of the planned preoperative centre of hip rotation (COR) in patients undergoing robotic arm-assisted THA versus conventional THA. Methods This prospective randomized controlled trial (RCT) included 60 patients with symptomatic hip osteoarthritis undergoing conventional THA (CO THA) versus robotic arm-assisted THA (RO THA). Patients in both arms underwent pre- and postoperative CT scans, and a patient-specific plan was created using the robotic software. The COR, combined offset, acetabular orientation, and leg length discrepancy were measured on the pre- and postoperative CT scanogram at six weeks following surgery. Results There were no significant differences for any of the baseline characteristics including spinopelvic mobility. The absolute error for achieving the planned horizontal COR was median 1.4 mm (interquartile range (IQR) 0.87 to 3.42) in RO THA versus 4.3 mm (IQR 3 to 6.8; p < 0.001); vertical COR mean 0.91 mm (SD 0.73) in RO THA versus 2.3 mm (SD 1.3; p < 0.001); and combined offset median 2 mm (IQR 0.97 to 5.45) in RO THA versus 3.9 mm (IQR 2 to 7.9; p = 0.019). Improved accuracy was observed with RO THA in achieving the desired acetabular component positioning (root mean square error for anteversion and inclination was 2.6 and 1.3 vs 8.9 and 5.3, repectively) and leg length (mean 0.6 mm vs 1.4 mm; p < 0.001). Patient-reported outcome measures were comparable between the two groups at baseline and one year. Participants in the RO THA group needed fewer physiotherapy sessions postoperatively (median six (IQR 4.5 to 8) vs eight (IQR 6 to 11; p = 0.005). Conclusion This RCT suggested that robotic-arm assistance in THA was associated with improved accuracy in restoring the native COR, better preservation of the combined offset, leg length correction, and superior accuracy in achieving the desired acetabular component positioning. Further evaluation through long-term and registry data is necessary to assess whether these findings translate into improved implant survival and functional outcomes.
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Affiliation(s)
- Andreas Fontalis
- Department of Trauma and Orthopaedic Surgery, University College London Hospitals NHS Foundation Trust, London, UK
- Division of Surgery and Interventional Science, University College London, London, UK
| | - Babar Kayani
- Department of Trauma and Orthopaedic Surgery, University College London Hospitals NHS Foundation Trust, London, UK
| | - Ricci Plastow
- Department of Trauma and Orthopaedic Surgery, University College London Hospitals NHS Foundation Trust, London, UK
| | - Dia E Giebaly
- Department of Trauma and Orthopaedic Surgery, University College London Hospitals NHS Foundation Trust, London, UK
- Division of Surgery and Interventional Science, University College London, London, UK
| | - Jenni Tahmassebi
- Department of Trauma and Orthopaedic Surgery, University College London Hospitals NHS Foundation Trust, London, UK
| | - Isabella C Haddad
- Department of Trauma and Orthopaedic Surgery, University College London Hospitals NHS Foundation Trust, London, UK
| | - Alastair Chambers
- Department of Trauma and Orthopaedic Surgery, University College London Hospitals NHS Foundation Trust, London, UK
| | - Fabio Mancino
- Department of Trauma and Orthopaedic Surgery, University College London Hospitals NHS Foundation Trust, London, UK
| | - Sujith Konan
- Department of Trauma and Orthopaedic Surgery, University College London Hospitals NHS Foundation Trust, London, UK
- Division of Surgery and Interventional Science, University College London, London, UK
| | - Fares S Haddad
- Department of Trauma and Orthopaedic Surgery, University College London Hospitals NHS Foundation Trust, London, UK
- Division of Surgery and Interventional Science, University College London, London, UK
- The Bone & Joint Journal , London, UK
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Rodríguez-González FA, Bartrina-Tarrio A, Gómez-Muñoz E, Garríguez-Pérez D, Echevarría-Marin M, Llanos S, Francés-Borrego A. [Translated article] Clinical results of total hip arthroplasty assisted by robotic arm in Spain: Preliminary study. Rev Esp Cir Ortop Traumatol (Engl Ed) 2024; 68:T108-T120. [PMID: 37992860 DOI: 10.1016/j.recot.2023.11.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 05/22/2023] [Indexed: 11/24/2023] Open
Abstract
OBJECTIVES Clinical, radiological and functional results of the first Spanish series of patients undergoing total hip arthroplasty assisted by Mako® (Stryker) robotic arm at the Hospital Clínico San Carlos (HCSC) in Madrid. MATERIAL AND METHODS Prospective and descriptive study analyzing the first 25 patients who underwent robotic-assisted THA at the HCSC, with a minimum follow-up of 4 months. Demographics, imaging studies (Mako® processing, Rx and CT), clinical parameters, functionality (modified Harris) and associated complications were evaluated. RESULTS Average age was 67.2 years (min 47, max 88), being 56% male population sample. 88% involves primary coxarthrosis, 4% post-traumatic coxarthrosis, 4% secondary avascular necrosis and 4% secondary femoroacetabular impingement. Average surgery time was 116.9min (min 92, max 150). The average time of the first five surgeries was 122.6min, and, regarding the last five interventions, it was 108.2min. Found medical intraoperative complications were four intraoperative markers loss. Average admission time was 4.4days (min 3, max 7), with an average postoperative haemoglobin decrease of 3.08±1.08g/dl, requiring a transfusion in 12% of the cases. Three medical complications have been registered in the meantime of the admission, with a relevant case of a confusional syndrome and a fall, which resulted in a non-displaced AG1 periprosthetic fracture. The analysis of the positioning of registered implants with Mako® system shows 40.55±1.53 acetabular inclination degrees and 12.2±3.6 acetabular anteversion degrees. The postoperative image study carried out on patients, are consistent with Mako® results, as it shows an acetabular inclination of 41.2±1.7 in Rx, as well as acetabular anteversion of 16±4.6 in CT. Hip length variance ranges depending on preoperative values of 3.91mm (SD: 3.9; min -12, max 3) to 1.29mm (SD: 1.96) after surgery registered with Mako®, with an increase of an average hip length of 5.64mm (SD: 3.35). Rx simple study results show a postoperative difference between both hips of 0.5±3.08mm, which is consistent with Mako® results. Native femoral offset was stable after surgery with a showing difference both pre and post operative of the intervened hip of 0.1mm (SD: 3.7), registered with Mako®. Preoperatory modified Harris punctuation was 41.6±13.3, improving to postoperative values of 74.6±9.7 after four months since the surgery. No complications were registered in immediate postoperative (4 months). CONCLUSIONS Total hip arthroplasty robot-assisted achieves an adequate precision and repeatability of the implant positioning and the postoperative hip dysmetry without showing an increase of associated complications to the technique applied. Surgery time, complications and functional results in a short-time period are similar to conventional techniques applied to great series previously published.
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Affiliation(s)
| | | | - E Gómez-Muñoz
- Hospital Universitario Clínico San Carlos, Madrid, Spain
| | | | | | - S Llanos
- Hospital Universitario Clínico San Carlos, Madrid, Spain
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Rodríguez-González FA, Bartrina-Tarrio A, Gómez-Muñoz E, Garríguez-Pérez D, Echevarría-Marin M, Llanos S, Francés-Borrego A. Clinical results of total hip arthroplasty assisted by robotic arm in Spain: Preliminary study. Rev Esp Cir Ortop Traumatol (Engl Ed) 2024; 68:108-120. [PMID: 37245634 DOI: 10.1016/j.recot.2023.05.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 05/21/2023] [Accepted: 05/22/2023] [Indexed: 05/30/2023] Open
Abstract
OBJECTIVES Clinical, radiological and functional results of the first Spanish series of patients undergoing total hip arthroplasty assisted by Mako® (Stryker) robotic arm at the Hospital Clínico San Carlos (HCSC) in Madrid. MATERIAL AND METHODS Prospective and descriptive study analyzing the first 25 patients who underwent robotic-assisted THA at the HCSC, with a minimum follow-up of 4months. Demographics, imaging studies (Mako® processing, Rx and CT), clinical parameters, functionality (modified Harris) and associated complications were evaluated. RESULTS Average age was 67.2years (min 47, max 88), being 56% male population sample. 88% involves primary coxarthrosis, 4% post-traumatic coxarthrosis, 4% secondary avascular necrosis and 4% secondary femoroacetabular impingement. Average surgery time was 116.9min (min 92, max 150). The average time of the first five surgeries was 122.6min, and, regarding the last five interventions, it was 108.2min. Found medical intraoperative complications were four intraoperative markers loss. Average admission time was 4.4days (min 3, max 7), with an average postoperative hemoglobin decrease of 3.08±1.08g/dL, requiring a transfusion in 12% of the cases. Three medical complications have been registered in the meantime of the admission, with a relevant case of a confusional syndrome and a fall, which resulted in a non-displaced AG1 periprosthetic fracture. The analysis of the positioning of registered implants with Mako® system shows 40.55±1.53 acetabular inclination degrees and 12.2±3.6 acetabular anteversion degrees. The postoperative image study carried out on patients, are consistent with Mako® s results, as it shows an acetabular inclination of 41.2±1.7 in Rx, as well as acetabular anteversion of 16±4.6 in CT. Hip length variance ranges depending on preoperative values of 3.91mm (SD: 3.9; min -12, max 3) to 1.29mm (SD: 1.96) after surgery registered with Mako®, with an increase of an average hip length of 5.64mm (SD: 3.35). Rx simple study results show a postoperative difference between both hips of 0.5±3.08mm, which is consistent with Mako® results. Native femoral offset was stable after surgery with a showing difference both pre and post operative of the intervened hip of 0.1mm (SD: 3.7), registered with Mako®. Preoperatory modified Harris punctuation was 41.6±13.3, improving to postoperative values of 74.6±9.7 after four months since the surgery. No complications were registered in immediate postoperative (4month). CONCLUSIONS Total hip arthroplasty robot-assisted achieves an adequate precision and repeatability of the implant positioning and the postoperative hip dysmetry without showing an increase of associated complications to the technique applied. Surgery time, complications and functional results in a short-time period are similar to conventional techniques applied to great series previously published.
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Affiliation(s)
| | | | - E Gómez-Muñoz
- Hospital Universitario Clínico San Carlos, Madrid, España
| | | | | | - S Llanos
- Hospital Universitario Clínico San Carlos, Madrid, España
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Alessio-Mazzola M, Colombo P, Barducci N, Ghezzi E, Zagra L, Caldora P, Ometti M, Placella G, Salini V. Direct anterior approach with conventional instruments versus robotic posterolateral approach in elective total hip replacement for primary osteoarthritis: a case-control study. J Orthop Traumatol 2024; 25:9. [PMID: 38381320 PMCID: PMC10881946 DOI: 10.1186/s10195-024-00753-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 01/18/2024] [Indexed: 02/22/2024] Open
Abstract
BACKGROUND The purpose of this study is to compare peri-operative and short-term outcomes in patients who underwent elective total hip replacement (THA) for primary osteoarthritis (OA) with direct anterior approach (DAA) versus a pair-matched cohort of patients who underwent robotic-assisted THA with posterolateral approach. MATERIALS AND METHODS Data from consecutive patients who underwent elective hip replacement from 2021 to 2023 for primary OA were retrospectively retrieved and divided into two groups: the DAA group, who underwent THA with the DAA approach using conventional instruments, and the robotic posterolateral (R-PL group), who underwent robot arm-assisted THA with the posterolateral approach. Comparative assessed outcomes were: operative time, radiographical implant positioning, intake of rescue analgesics, blood loss, transfusion rate, leg length discrepancy and functional outcomes (Harris hip score and forgotten joint score). RESULTS A total of 100 pair-matched patients were retrieved with a mean age of 66.7 ± 10.7 (range: 32-85) years and a mean follow-up of 12.8 ± 3.6 (range: 7-24) months. No differences in patients' characteristics were detected. Patients in the R-PL group required less rescue tramadol (p > 0.001), ketorolac (p = 0.028) and acetaminophen (p < 0.001). There was no significant difference in the operative time between (MD = 5.0 min; p = 0.071). Patients in the DAA group had significantly lower Hb levels at day 1 (p = 0.002) without significant differences in transfusion rate (p = 0.283). Patients in the R-PL group had shorter length of stay (LOS) with a mean difference of 1.8 days [p < 0.001; 95% confidence interval (CI) 1.4-2.3]. No difference in clinical outcomes was found [leg length discrepancy (LLD), p = 0.572; HHS, p = 0.558; forgotten joint score (FJS), p = 0.629]. No radiographical differences were measured in cup inclination (MD = 2.0°, p = 0.069), malpositioning [odd ratio (OR) = 0.2; p = 0.141], stem alignment (OR = 0.3; p = 0.485) and stem sizing (OR = 1.5; p = 1.000). There was no difference in complication rate except for lateral femoral cutaneous nerve damage, which was higher in DAA group (p < 0.001). CONCLUSIONS R-PL and DAA THA had comparable short-term clinical and radiological outcomes along with similar complication rates. The R-PL group showed significantly lower Hb drop, rescue analgesic consumption and shorter LOS. This is a preliminary study and no strong recommendation can be provided. Further prospective randomized trials are requested to further investigate the cost-effectiveness of robotic surgery in THA. LEVEL OF EVIDENCE Level IV, case-control study.
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Affiliation(s)
- Mattia Alessio-Mazzola
- Unità di Ortopedia e Traumatologia, IRCCS Ospedale San Raffaele, Via Olgettina 60, 20132, Milan, Italy.
| | - Pietro Colombo
- Università Vita-Salute San Raffaele, Via Olgettina 58, 20132, Milan, Italy
| | - Niccolo' Barducci
- Università Vita-Salute San Raffaele, Via Olgettina 58, 20132, Milan, Italy
| | - Elena Ghezzi
- Università Vita-Salute San Raffaele, Via Olgettina 58, 20132, Milan, Italy
| | - Luigi Zagra
- Hip Department, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - Patrizio Caldora
- Unità di Ortopedia e Traumatologia, IRCCS Ospedale San Raffaele, Via Olgettina 60, 20132, Milan, Italy
| | - Marco Ometti
- Unità di Ortopedia e Traumatologia, IRCCS Ospedale San Raffaele, Via Olgettina 60, 20132, Milan, Italy
| | - Giacomo Placella
- Università Vita-Salute San Raffaele, Via Olgettina 58, 20132, Milan, Italy
| | - Vincenzo Salini
- Università Vita-Salute San Raffaele, Via Olgettina 58, 20132, Milan, Italy
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Buchan GBJ, Hecht CJ, Rodriguez-Elizalde S, Kabata T, Kamath AF. Automated digital templating of component sizing is accurate in robotic total hip arthroplasty when compared to predicate software. Med Eng Phys 2024; 124:104105. [PMID: 38418018 DOI: 10.1016/j.medengphy.2024.104105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 10/17/2023] [Accepted: 01/09/2024] [Indexed: 03/01/2024]
Abstract
Accurate pre-operative templating of prosthesis components is an essential factor in successful total hip arthroplasty (THA), including robotically-assisted THA (RA-THA) techniques. We sought to validate the accuracy of a novel, robotic-optimized THA planning software compared to a predicate THA planner for component sizing. We analyzed a series of 199 patients who received manual THA (mTHA) and fluoroscopy-based RA-THA at a single institution. All cases were templated using a predicate pre-operative templating software. For RA-THA cases, the novel robotic-optimized pre-operative planner software was also used for templating. The differences between templated and implanted acetabular cup, femoral head, and stem component sizes were compared based on matching within 1, 2, and ≥3 sizes. Differences in templated and implanted femoral stem implant geometry were also compared. The robot-optimized pre-operative RA-THA plans demonstrated equivalent accuracy to that of predicate pre-operative plans for both RA-THA and mTHA cases. Templated acetabular cups (90.4 vs. 86.8 vs. 82.8; p = 0.421), femoral stems (76.0 vs. 65.1 vs. 67.7; p = 0.096), and femoral heads (91.3 vs. 96.2 vs. 88.2; p = 0.302) were within +/-1 size of implanted components. No significant differences were detected in the proportion of matching templated and implanted stem geometry across the study cohorts.
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Affiliation(s)
- Graham B J Buchan
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, 9500 Euclid Ave, Cleveland, OH, 44195, USA
| | - Christian J Hecht
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, 9500 Euclid Ave, Cleveland, OH, 44195, USA
| | | | - Tamon Kabata
- Department of Orthopaedic Surgery, Graduate School of Medical Science, Kanazawa University, Japan
| | - Atul F Kamath
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, 9500 Euclid Ave, Cleveland, OH, 44195, USA.
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9
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Buchan GBJ, Hecht CJ, Sculco PK, Chen JB, Kamath AF. Improved short-term outcomes for a novel, fluoroscopy-based robotic-assisted total hip arthroplasty system compared to manual technique with fluoroscopic assistance. Arch Orthop Trauma Surg 2024; 144:501-508. [PMID: 37740783 DOI: 10.1007/s00402-023-05061-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 09/01/2023] [Indexed: 09/25/2023]
Abstract
BACKGROUND While robotic-assisted total hip arthroplasty (RA-THA) has been associated with improved accuracy of component placement, the perioperative and early postoperative outcomes of fluoroscopy-based RA-THA systems have yet to be elucidated. METHODS This retrospective cohort analysis included a consecutive series of patients who received manual, fluoroscopy-assisted THA (mTHA) and fluoroscopy-based RA-THA at a single institution. We compared rates of complications within 90 days of surgery, length of hospital stay (LOS), and visual analog scale (VAS) pain scores. RESULTS No differences existed between groups with respect to demographic data or perioperative recovery protocols. The RA-THA cohort had a significantly greater proportion of outpatient surgeries compared to the mTHA cohort (37.4% vs. 3.8%; p < 0.001) and significantly lower LOS (26.0 vs. 39.5 h; p < 0.001). The RA-THA cohort had a smaller 90-day postoperative complication rate compared to the mTHA cohort (0.9% vs. 6.7%; p = 0.029). The RA-THA cohort had significantly lower patient-reported VAS pain scores at 2-week follow-up visits (2.5 vs. 3.3; p = 0.048), but no difference was seen after 6-week follow visits (2.5 vs. 2.8; p = 0.468). CONCLUSION Fluoroscopy-based RA-THA demonstrates low rates of postoperative complications, improved postoperative pain profiles, and shortened LOS when compared to manual, fluoroscopy-assisted THA.
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Affiliation(s)
- Graham B J Buchan
- Department of Orthopaedic Surgery, Orthopaedic and Rheumatologic Institute, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH, 44195, USA
| | - Christian J Hecht
- Department of Orthopaedic Surgery, Orthopaedic and Rheumatologic Institute, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH, 44195, USA
| | - Peter K Sculco
- Department of Orthopaedic Surgery, Hospital for Special Surgery, 535 East 70th, New York, NY, 10021, USA
| | - James B Chen
- Mission Orthopaedic Institute, Providence Mission Hospital, Mission Viejo, CA, 92691, USA
| | - Atul F Kamath
- Department of Orthopaedic Surgery, Orthopaedic and Rheumatologic Institute, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH, 44195, USA.
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Anantha-Krishnan A, Myers CA, Fitzpatrick CK, Clary CW. Instantaneous Generation of Subject-Specific Finite Element Models of the Hip Capsule. Bioengineering (Basel) 2023; 11:37. [PMID: 38247914 PMCID: PMC10813259 DOI: 10.3390/bioengineering11010037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 12/22/2023] [Indexed: 01/23/2024] Open
Abstract
Subject-specific hip capsule models could offer insights into impingement and dislocation risk when coupled with computer-aided surgery, but model calibration is time-consuming using traditional techniques. This study developed a framework for instantaneously generating subject-specific finite element (FE) capsule representations from regression models trained with a probabilistic approach. A validated FE model of the implanted hip capsule was evaluated probabilistically to generate a training dataset relating capsule geometry and material properties to hip laxity. Multivariate regression models were trained using 90% of trials to predict capsule properties based on hip laxity and attachment site information. The regression models were validated using the remaining 10% of the training set by comparing differences in hip laxity between the original trials and the regression-derived capsules. Root mean square errors (RMSEs) in laxity predictions ranged from 1.8° to 2.3°, depending on the type of laxity used in the training set. The RMSE, when predicting the laxity measured from five cadaveric specimens with total hip arthroplasty, was 4.5°. Model generation time was reduced from days to milliseconds. The results demonstrated the potential of regression-based training to instantaneously generate subject-specific FE models and have implications for integrating subject-specific capsule models into surgical planning software.
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Affiliation(s)
- Ahilan Anantha-Krishnan
- Center of Orthopaedic Biomechanics, University of Denver, Denver, CO 80208, USA; (A.A.-K.); (C.A.M.)
| | - Casey A. Myers
- Center of Orthopaedic Biomechanics, University of Denver, Denver, CO 80208, USA; (A.A.-K.); (C.A.M.)
| | - Clare K. Fitzpatrick
- Mechanical and Biomedical Engineering, Boise State University, Boise, ID 83725, USA;
| | - Chadd W. Clary
- Center of Orthopaedic Biomechanics, University of Denver, Denver, CO 80208, USA; (A.A.-K.); (C.A.M.)
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11
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Buchan GBJ, Bernhard Z, Hecht CJ, Davis GA, Pickering T, Kamath AF. Improved perioperative narcotic usage patterns in patients undergoing robotic-assisted compared to manual total hip arthroplasty. ARTHROPLASTY 2023; 5:56. [PMID: 37924164 PMCID: PMC10625224 DOI: 10.1186/s42836-023-00211-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 09/13/2023] [Indexed: 11/06/2023] Open
Abstract
BACKGROUND Robot-assisted total hip arthroplasty (RA-THA) improves accuracy in achieving the planned acetabular cup positioning compared to conventional manual THA (mTHA), but optimal dosage for peri-RA-THA and mTHA pain relief remains unclear. This study aimed to compare pain control with opioids between patients undergoing direct anterior approach THA with the use of a novel, fluoroscopic-assisted RA-THA system compared to opioid consumption associated with fluoroscopic-assisted, manual technique. METHODS Retrospective cohort analysis was performed on a consecutive series of patients who received mTHA and fluoroscopy-based RA-THA. The average amount of postoperative narcotics in morphine milligram equivalents (MME) given to each cohort was compared, including during the in-hospital and post-discharge periods. Analyses were performed on the overall cohort, as well as stratified by opioid-naïve and opioid-tolerant patients. RESULTS The RA-THA cohort had significantly lower total postoperative narcotic use compared to the mTHA cohort (103.7 vs. 127.8 MME; P < 0.05). This difference was similarly seen amongst opioid-tolerant patients (123.6 vs. 181.3 MME; P < 0.05). The RA-THA cohort had lower total in-hospital narcotics use compared to the mTHA cohort (42.3 vs. 66.4 MME; P < 0.05), consistent across opioid-naïve and opioid-tolerant patients. No differences were seen in post-discharge opioid use between groups. CONCLUSIONS Fluoroscopy-based RA-THA is associated with lower postoperative opioid use, including during the immediate perioperative period, when compared to manual techniques. This may have importance in rapid recovery protocols and mitigating episode burden of care.
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Affiliation(s)
- Graham B J Buchan
- Cleveland Clinic Orthopaedic and Rheumatologic Institute, 9500 Euclid Avenue, Cleveland, OH, 44195, USA
| | - Zachary Bernhard
- Cleveland Clinic Orthopaedic and Rheumatologic Institute, 9500 Euclid Avenue, Cleveland, OH, 44195, USA
| | - Christian J Hecht
- Cleveland Clinic Orthopaedic and Rheumatologic Institute, 9500 Euclid Avenue, Cleveland, OH, 44195, USA
| | - Graeme A Davis
- Pinehaven Orthopaedic and Arthroplasty Institute, Krugersdorp, Johannesburg, 1739, South Africa
- Life Wilgeheuwel Hospital, Roodepoort, Johannesburg, 1724, South Africa
| | - Trevor Pickering
- Mississippi Sports Medicine and Orthopaedic Center, Jackson, MS, 39202, USA
| | - Atul F Kamath
- Cleveland Clinic Orthopaedic and Rheumatologic Institute, 9500 Euclid Avenue, Cleveland, OH, 44195, USA.
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12
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Kim K, Kwon S, Kwon J, Hwang J. A review of robotic-assisted total hip arthroplasty. Biomed Eng Lett 2023; 13:523-535. [PMID: 37872985 PMCID: PMC10590363 DOI: 10.1007/s13534-023-00312-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/02/2023] [Accepted: 08/11/2023] [Indexed: 10/25/2023] Open
Abstract
Total hip arthroplasty (THA) is a successful surgical method for hip replacement but still poses challenges and risks. Robotic-assisted THA (rTHA) using new generation robotic systems has emerged to improve surgical precision and outcomes. The purpose of this paper is to review the literature on rTHA, with a focus on its advantages, such as individualized preoperative planning, intraoperative assistance, and improved accuracy in implantation, especially in complex cases. Additionally, it aims to explore the disadvantages associated with the use of rTHA, including high costs, the learning curve, and prolonged operation time compared to manual THA (mTHA), which are critical drawbacks that require careful consideration and efforts for minimization. Some financial analyses suggest that rTHA may offer cost-effectiveness and reduced postoperative costs compared to mTHA. While technological advancements are expected to reduce technical complications, there are still debates surrounding long-term outcomes. Practical limitations, such as limited availability and accessibility, also warrant attention. Although the development of rTHA shows promise, it is still in its early stages, necessitating critical evaluation and further research to ensure optimal patient benefits.
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Affiliation(s)
- Kwangkyoun Kim
- Department of Orthopaedic Surgery, Gangnam Sacred Heart Hospital, Hallym University School of Medicine, Seoul, South Korea
- Department of Orthopaedic Surgery, Konyang University School of Medicine, Daejeon, South Korea
| | - Seungcheol Kwon
- Department of Orthopaedic Surgery, Gangnam Sacred Heart Hospital, Hallym University School of Medicine, Seoul, South Korea
- Department of Orthopaedic Surgery, Konyang University School of Medicine, Daejeon, South Korea
| | - Junhyuk Kwon
- Department of Orthopaedic Surgery, Gangnam Sacred Heart Hospital, Hallym University School of Medicine, Seoul, South Korea
- Department of Orthopaedic Surgery, Konyang University School of Medicine, Daejeon, South Korea
| | - Jihyo Hwang
- Department of Orthopaedic Surgery, Gangnam Sacred Heart Hospital, Hallym University School of Medicine, Seoul, South Korea
- Department of Orthopaedic Surgery, Konyang University School of Medicine, Daejeon, South Korea
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13
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Yoon YK, Park KH, Shim DW, Han SH, Lee JW, Jung M. Robotic-assisted foot and ankle surgery: a review of the present status and the future. Biomed Eng Lett 2023; 13:571-577. [PMID: 37872981 PMCID: PMC10590355 DOI: 10.1007/s13534-023-00328-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 09/17/2023] [Accepted: 09/26/2023] [Indexed: 10/25/2023] Open
Abstract
The surgical application of robotics has increased significantly since its first application in 1985 for a brain biopsy acquisition. Robotic-assisted surgery has been one of the viable options in various surgical areas, and also in orthopaedic surgery. Robotic-assisted orthopaedic surgery has gained popularity as a mean of improving accuracy, reducing complications and achieving better patient satisfaction. Numerous clinical research studies have demonstrated advantages of robotic-assisted orthopaedic surgery, however, most of that researches were about the total knee arthroplasty, total hip arthroplasty and spine surgery. The application of robotic technology in foot and ankle surgery is in a very nascent stage. Furthermore, there has been little research on intraoperative use of robotics in foot and ankle surgery in literature. A review of previous preclinical studies in foot and ankle robotics and clinical research studies in various fields of robot-assisted orthopaedic surgery shows that its potential application and benefits over conventional techniques, such as total ankle arthroplasty, minimally invasive surgery for foot and ankle trauma or other corrective procedure, and intraoperative biomechanical testing. More studies on practical application of robotic technology to surgical procedure in the field of foot and ankle surgery are needed to confirm its clinical usefulness and cost effectiveness.
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Affiliation(s)
- Yeo Kwon Yoon
- Department of Orthopaedic Surgery, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, South Korea
| | - Kwang Hwan Park
- Department of Orthopaedic Surgery, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Dong Woo Shim
- Department of Orthopaedic Surgery, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Seung Hwan Han
- Department of Orthopaedic Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Jin Woo Lee
- Department of Orthopaedic Surgery, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Min Jung
- Department of Orthopaedic Surgery, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
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Buchan GBJ, Hecht CJ, Liu D, Mokete L, Kendoff D, Kamath AF. Improved accuracy of a novel fluoroscopy-based robotically assisted THA system compared to manual THA. J Robot Surg 2023; 17:2073-2079. [PMID: 37209355 DOI: 10.1007/s11701-023-01623-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 05/14/2023] [Indexed: 05/22/2023]
Abstract
Accurate acetabular cup position remains a persistent challenge in total hip arthroplasty (THA). Studies investigating the early outcomes of robotic-assisted THA (RA-THA) systems have shown improved cup placement compared to manual THA (mTHA) approaches, however, contemporary robotic platforms are reliant on pre-operative CT imaging. The goal of this study was to analyze the accuracy of a novel, fluoroscopy-based RA-THA system compared to an unassisted mTHA approach and determine the effect of the robotic system on operative time. We performed a retrospective cohort analysis on a consecutive series of 198 patients who received mTHA and RA-THA between March 2021 and July 2022. The primary outcome of interest was the accuracy of acetabular component placement, defined by average cup inclination and anteversion. Secondary outcomes included the proportion of acetabular cups positioned within the Lewinnek safe zone, operative time, and overall room time. The RA-THA group demonstrated significantly higher accuracy of acetabular anteversion to target compared to the manual group (18.5 vs. 21.7˚; p < 0.001), and had a significantly greater proportion of acetabular cups placed within the Lewinnek safe zone (81.6 vs. 59.0%; p < 0.001). The RA-THA cohort had longer operative times compared to mTHA group (39.0 vs. 35.3 min; p = 0.003), but no difference was seen in total operating room time (101.2 vs. 101.2 min; p = 0.982). This study demonstrates that the use of a novel, fluoroscopy-based, pin-less THA robotic platform increased the accuracy of acetabular cup placement, including a 22.6% improvement in safe zone placement, compared to mTHA approach, with no increase in overall case time.
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Affiliation(s)
- Graham B J Buchan
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, 9500 Euclid Ave, Cleveland, OH, 44195, USA
| | - Christian J Hecht
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, 9500 Euclid Ave, Cleveland, OH, 44195, USA
| | - David Liu
- Gold Coast Centre for Bone and Joint Surgery, 14 Sixth Ave, Palm Beach, QLD, 4421, Australia
| | - Lipalo Mokete
- Consultant Orthopaedic Surgeon, Charlotte Maxeke Johannesburg Academic Hospital, Busamed Modderfontein Hospital, Lecture University of the Witwatersand, 4 Cransley Crescent, Linbro Park, Sandton, Johannesburg, 2190, South Africa
| | - Daniel Kendoff
- Chefarzt Zentrum für Orthopädie und Unfallchirurgie, HELIOS Kliniken Berlin-Buch, Schwanebecker Chaussee 25, 13125, Berlin, Germany
| | - Atul F Kamath
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, 9500 Euclid Ave, Cleveland, OH, 44195, USA.
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15
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Ong CB, Buchan GBJ, Acuña AJ, Hecht CJ, Homma Y, Shah RP, Kamath AF. Cost-effectiveness of a novel, fluoroscopy-based robotic-assisted total hip arthroplasty system: A Markov analysis. Int J Med Robot 2023:e2582. [PMID: 37776329 DOI: 10.1002/rcs.2582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/31/2023] [Accepted: 09/18/2023] [Indexed: 10/02/2023]
Abstract
BACKGROUND The purpose of this study was to assess the cost-effectiveness of a novel, fluoroscopy-based robotic-assisted total hip arthroplasty (RA-THA) system compared to a manual unassisted technique (mTHA) up to 5 years post-operatively. METHODS A Markov model was constructed to compare the cost-effectiveness of RA-THA and mTHA. Cost-effectiveness was defined as an Incremental Cost-Effectiveness Ratio (ICER) <$50 000 or $100 000 per Quality Adjusted Life Year (QALY). RESULTS RA-THA patients experienced lower costs compared to mTHA patients at 1 year ($20 865.12 ± 9897.52 vs. $21 660.86 ± 9909.15; p < 0.001) and 5 years ($23 124.57 ± 10 045.48 vs. $25 756.42 ± 10 091.84; p < 0.001) post-operatively. RA-THA patients also accrued more QALYs (1-year: 0.901 ± 0.117 vs. 0.888 ± 0.114; p < 0.001; 5-years: 4.455 ± 0.563 vs. 4.384 ± 0.537 p < 0.001). Overall, RA-THA was cost-effective (1-year ICER: $-61 210.77; 5-year ICER: $-37 068.31). CONCLUSIONS The novel, fluoroscopy-based RA-THA system demonstrated cost-effectiveness when compared to manual unassisted THA.
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Affiliation(s)
- Christian B Ong
- Department of Orthopaedic Surgery, Orthopaedic and Rheumatologic Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - Graham B J Buchan
- Department of Orthopaedic Surgery, Orthopaedic and Rheumatologic Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - Alexander J Acuña
- Department of Orthopaedics, Rush University Medical Center, Chicago, Illinois, USA
| | - Christian J Hecht
- Department of Orthopaedic Surgery, Orthopaedic and Rheumatologic Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - Yasuhiro Homma
- Department of Medicine for Orthopaedics and Motor Organs, Juntendo University Graduate School of Medicine, Tokyo, Japan
- Department of Orthopaedics, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Roshan P Shah
- Department of Orthopaedic Surgery, Columbia University Irving Medical Center, New York-Presbyterian Hospital, New York City, New York, USA
| | - Atul F Kamath
- Department of Orthopaedic Surgery, Orthopaedic and Rheumatologic Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
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16
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Zhuang TF, Wu CJ, Luo SM, Wu WR, Chen JY, Zha ZG, Huan SW, Liu N. Preliminary study of short-term outcomes and learning curves of robotic-assisted THA: comparison between closed platform robotic system and open platform robotic system. BMC Musculoskelet Disord 2023; 24:756. [PMID: 37749526 PMCID: PMC10521502 DOI: 10.1186/s12891-023-06895-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 09/18/2023] [Indexed: 09/27/2023] Open
Abstract
BACKGROUND Both closed platform and open platform robotic-assisted total hip arthroplasty (THA) have recently been recommended as a viable treatment option for achieving accurate positioning of components. Yet, limited studies paid attention to the differences between the closed platform robotic system and the open platform robotic system. Hence, this study aimed to investigate clinical outcomes, radiographic outcomes, complication rates and learning curve of two systems. MATERIALS AND METHODS We retrospectively included 62 patients (31 closed robotic system and 31 open robotic system) who underwent THA between February 2021 and January 2023. The demographics, operating time, cup positioning, complications and hip Harris score were evaluated. Learning curves of operation time was conducted using cumulative sum (CUSUM) analysis. RESULTS There were no differences in surgical time (76.7 ± 12.1 min vs. 72.3 ± 14.8 min), estimated blood loss (223.2 ± 13.2 ml vs. 216.9 ± 17 ml) and Harris Hip score (HHS) between closed platform robotic system and the open platform robotic system. The closed robotic system and the open robotic system were associated with a learning curve of 9 cases and 7 cases for surgical time respectively, based on the satisfying rate of Lewinnek's safe zone outliers (1/31, 96.8%) and no occurrence of complication. Both robotic systems had significant reduction in overall surgical time, the duration of acetabulum registration, and estimated blood loss between learning phase and proficiency phase. CONCLUSION The authors suggest that the surgical outcomes and safe zone outlier rate of the open robotic-assisted THA were similar to those of the closed robotic-assisted THA. These two robotic-assisted are associated with comparable learning curves and both have the precise positioning of acetabular component. From learning phase to proficiency phase, the rate of positions within the safe zone differed only marginally (88.9-100% vs. 85.7-100%) based on a rather low number of patients. This is not a statistically significant difference. Therefore, we suggest that THA undergoing with the robotic-assisted system is the relatively useful way to achieve planned acetabular cup position so far.
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Affiliation(s)
- Teng-Feng Zhuang
- The First Clinical College, Jinan University, Guangzhou, 510632, China
- Department of Orthopedics, The First Affiliated Hospital, Jinan University, Guangzhou, 510632, China
| | - Chong-Jie Wu
- The First Clinical College, Jinan University, Guangzhou, 510632, China
- Department of Orthopedics, The First Affiliated Hospital, Jinan University, Guangzhou, 510632, China
| | - Si-Min Luo
- The First Clinical College, Jinan University, Guangzhou, 510632, China
- Department of Orthopedics, The First Affiliated Hospital, Jinan University, Guangzhou, 510632, China
| | - Wen-Rui Wu
- The First Clinical College, Jinan University, Guangzhou, 510632, China
- Department of Orthopedics, The First Affiliated Hospital, Jinan University, Guangzhou, 510632, China
| | - Jun-Yuan Chen
- The First Clinical College, Jinan University, Guangzhou, 510632, China
- Department of Orthopedics, The First Affiliated Hospital, Jinan University, Guangzhou, 510632, China
| | - Zhen-Gang Zha
- The First Clinical College, Jinan University, Guangzhou, 510632, China
- Department of Orthopedics, The First Affiliated Hospital, Jinan University, Guangzhou, 510632, China
| | - Song-Wei Huan
- The First Clinical College, Jinan University, Guangzhou, 510632, China.
- Department of Orthopedics, The First Affiliated Hospital, Jinan University, Guangzhou, 510632, China.
| | - Ning Liu
- The First Clinical College, Jinan University, Guangzhou, 510632, China.
- Department of Orthopedics, The First Affiliated Hospital, Jinan University, Guangzhou, 510632, China.
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17
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Buchan GBJ, Hecht CJ, Lawrie CM, Sculco PK, Kamath AF. The learning curve for a novel, fluoroscopy-based robotic-assisted total hip arthroplasty system. Int J Med Robot 2023:e2518. [PMID: 37058696 DOI: 10.1002/rcs.2518] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 03/16/2023] [Accepted: 04/02/2023] [Indexed: 04/16/2023]
Abstract
BACKGROUND Adoption of robotic-assisted total hip arthroplasty (RA-THA) systems can improve the accuracy of acetabular cup placement, but no group has reported the learning curve of novel, fluoroscopy-based RA-THA systems. METHODS A learning-curve cumulative summation (LC-CUSUM) analysis was performed on a consecutive series of the first 100 patients who received fluoroscopy-based RA-THA by the study surgeon. Operative times and specific robotic timepoints were compared between learning and proficiency phases. RESULTS Implementation of fluoroscopy-based RA-THA was associated with a learning curve of 12 cases. A 6-min increase in operative time was seen during the learning phase compared to the proficiency phase (44.3 ± 4.4 vs. 38.0 ± 7.1 min; p < 0.001), with a 3-min longer robotic cup impaction sequence during the learning phase (7.8 ± 1.9 vs. 4.8 ± 1.3 min; p < 0.001). CONCLUSION Adoption of fluoroscopy-based RA-THA is associated with a brief learning curve of 12 cases, with the most significant improvements in surgical efficiency realised during acetabular cup placement.
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Affiliation(s)
- Graham B J Buchan
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - Christian J Hecht
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - Charles M Lawrie
- Department of Orthopaedic Surgery, Baptist Health South Florida, Miami, Florida, USA
| | - Peter K Sculco
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, New York, USA
| | - Atul F Kamath
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio, USA
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18
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Märdian S, Maleitzke T, Niemann M, Salmoukas K, Stöckle U. [Imaging examination procedures, navigation and minimally invasive procedures in acetabular surgery]. UNFALLCHIRURGIE (HEIDELBERG, GERMANY) 2023; 126:89-99. [PMID: 36645450 DOI: 10.1007/s00113-022-01281-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/13/2022] [Indexed: 01/17/2023]
Abstract
Acetabular fractures still pose a special challenge even today. Considering the increasing case numbers, especially in the geriatric patient group, modern imaging examination procedures represent an essential pillar of the diagnostics. Especially in this vulnerable patient group, minimally invasive methods are necessary, which can be guaranteed by intraoperative navigation; however, the choice of surgical access and implants is also made based on the existing morphological characteristics of fractures, which highlights the importance of an imaging modality that is as detailed as possible. Last but not least, new developments concerning the surgical treatment of these injuries are also based on this. This article summarizes the current state of the techniques and the available literature.
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Affiliation(s)
- Sven Märdian
- Centrum für Muskuloskeletale Chirurgie, Campus Virchow Klinikum, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Augustenburger Platz 1, 13353, Berlin, Deutschland.
| | - T Maleitzke
- Centrum für Muskuloskeletale Chirurgie, Campus Virchow Klinikum, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Augustenburger Platz 1, 13353, Berlin, Deutschland.,Julius Wolff Institut, Berlin Institute of Health at Charité - Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Deutschland.,BIH Biomedical Innovation Academy, BIH Charité Clinician Scientist Program, Berlin Institute of Health at Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Deutschland
| | - M Niemann
- Centrum für Muskuloskeletale Chirurgie, Campus Virchow Klinikum, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Augustenburger Platz 1, 13353, Berlin, Deutschland.,Julius Wolff Institut, Berlin Institute of Health at Charité - Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Deutschland
| | - K Salmoukas
- Centrum für Muskuloskeletale Chirurgie, Campus Virchow Klinikum, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Augustenburger Platz 1, 13353, Berlin, Deutschland
| | - U Stöckle
- Centrum für Muskuloskeletale Chirurgie, Campus Virchow Klinikum, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Augustenburger Platz 1, 13353, Berlin, Deutschland
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19
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傅 凯, 朱 博, 蒋 青, 陈 东. [Effectiveness analysis of MAKO robotic-arm assisted total hip arthroplasty via direct anterior approach for bony fused hips]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2022; 36:1357-1362. [PMID: 36382452 PMCID: PMC9681582 DOI: 10.7507/1002-1892.202206101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 09/18/2022] [Indexed: 01/25/2023]
Abstract
Objective To investigate the effectiveness of MAKO robotic-arm assisted total hip arthroplasty (THA) via direct anterior approach (DAA) for bony fused hips in ankylosing spondylitis (AS). Methods Between June 2021 and January 2022, MAKO robotic-arm assisted THA via DAA was applied to treat 10 cases (12 hips) of AS with bony fused hips. There were 7 males and 3 females; the age ranged from 30 to 71 years, with an average age of 42.4 years. The duration of AS was 12-35 years, with an average of 21.4 years. The preoperative hip was ankylosed in flexion in 3 cases, with a flexion angle of 20°, 30°, 35°, respectively; 9 cases were ankylosed in extension. The operation time and complications were recorded; the visual analogue scale (VAS) score, Harris score, and Oxford hip scale (OHS) score before and after operation, and postoperative range of motion (flexion, extension, internal rotation, external rotation, adduction, and abduction) were used to evaluate the recovery of joint function; according to the postoperative anteroposterior X-ray film and CT scan of both hip joints, the abduction angle, anteversion angle, the difference between bilateral combined off-set and the lower limb length discrepancy were measured. Results The operation time ranged from 80 to 190 minutes (mean, 134.6 minutes). All 10 patients were followed up 5-11 months (mean, 7.4 months). There was no serious adverse events such as incision infection, deep vein thrombosis of lower extremities, hip redislocation, aseptic loosening of the prosthesis, or death. At 5 months after operation, the acetabular prosthesis angle of abduction was 37°-45° (mean, 40.3°), anteversion angle was 9°-20° (mean, 15.8°). The difference between bilateral combined off-set was 0-10 mm (mean, 4.3 mm); the lower limb length discrepancy was 0-12 mm (mean, 3.5 mm). At last follow-up, the average range of motion of the hip joint was 89.2° in flexion (range, 80°-100°), 1.7° in extension (range, -5°-10°), 7.1° in internal rotation (range, 0°-15°), 20.4° in external rotation (range, 10°-30°), 7.9° in adduction (range, 0°-20°), and 16.5° in abduction (range, 10°-25°). At last follow-up, the VAS score, Harris score, and OHS score significantly improved when compared with those before operation ( P<0.05). Conclusion The MAKO robotic-arm assisted THA via DAA can achieve satisfactory results in the treatment of AS with bony fused hip, which has the advantages of accurate prosthesis installation, soft tissue release, and less trauma during operation.
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Affiliation(s)
- 凯 傅
- 南京大学医学院附属鼓楼医院骨科 运动医学与成人重建外科(南京 210008)Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing Jiangsu, 210008, P. R. China
- 国家骨科与运动康复临床医学研究中心分中心(南京 210008)Branch of National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Nanjing Jiangsu, 210008, P. R. China
| | - 博闻 朱
- 南京大学医学院附属鼓楼医院骨科 运动医学与成人重建外科(南京 210008)Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing Jiangsu, 210008, P. R. China
- 国家骨科与运动康复临床医学研究中心分中心(南京 210008)Branch of National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Nanjing Jiangsu, 210008, P. R. China
| | - 青 蒋
- 南京大学医学院附属鼓楼医院骨科 运动医学与成人重建外科(南京 210008)Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing Jiangsu, 210008, P. R. China
- 国家骨科与运动康复临床医学研究中心分中心(南京 210008)Branch of National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Nanjing Jiangsu, 210008, P. R. China
| | - 东阳 陈
- 南京大学医学院附属鼓楼医院骨科 运动医学与成人重建外科(南京 210008)Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing Jiangsu, 210008, P. R. China
- 国家骨科与运动康复临床医学研究中心分中心(南京 210008)Branch of National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Nanjing Jiangsu, 210008, P. R. China
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Bullock EKC, Brown MJ, Clark G, Plant JGA, Blakeney WG. Robotics in Total Hip Arthroplasty: Current Concepts. J Clin Med 2022; 11:6674. [PMID: 36431151 PMCID: PMC9695933 DOI: 10.3390/jcm11226674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/25/2022] [Accepted: 11/05/2022] [Indexed: 11/13/2022] Open
Abstract
This current concepts article reviews the literature pertaining to the use of robot-assisted systems in total hip arthroplasty (THA). The bulk of the literature is regarding the MAKO (currently the most used system worldwide) and the historic ROBODOC robotic systems. There is a paucity of literature available on other systems, with several still in pilot-phase development. Whilst the evidence shows improved radiological outcomes with robotic THA, functional outcomes are equivocal between conventional and robotic techniques. Acceptance of robotic THA worldwide is limited by its accessibility including cost, and by already exceptional results with the conventional technique. It is, however, a rapidly developing area of orthopaedic surgery. This article discusses the history of robotics in THA, current surgical techniques, functional and radiological outcomes, and ongoing avenues for development.
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Affiliation(s)
- Emily K. C. Bullock
- Department of Orthopaedic Surgery, Royal Perth Hospital, Wellington St., Perth, WA 6000, Australia
| | - Michael J. Brown
- Department of Orthopaedic Surgery, Royal Perth Hospital, Wellington St., Perth, WA 6000, Australia
| | - Gavin Clark
- Department of Orthopaedic Surgery, St John of God Subiaco Hospital, 12 Salvado Road, Subiaco, WA 6008, Australia
| | - James G. A. Plant
- Department of Orthopaedic Surgery, Royal Perth Hospital, Wellington St., Perth, WA 6000, Australia
- Department of Orthopaedic Surgery, St John of God Subiaco Hospital, 12 Salvado Road, Subiaco, WA 6008, Australia
| | - William G. Blakeney
- Department of Orthopaedic Surgery, Royal Perth Hospital, Wellington St., Perth, WA 6000, Australia
- Department of Orthopaedic Surgery, St John of God Subiaco Hospital, 12 Salvado Road, Subiaco, WA 6008, Australia
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Oh S, Kim YS, Kwon SY, Lim YW, Park H, Park J, Song JH. Utilizing Three-Dimensional Head-Lesser Trochanter Distance Could Further Reduce Leg Length Inequality in Primary Bipolar Hemiarthroplasty. J Clin Med 2022; 11:jcm11216303. [PMID: 36362529 PMCID: PMC9658183 DOI: 10.3390/jcm11216303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/24/2022] [Accepted: 10/17/2022] [Indexed: 11/22/2022] Open
Abstract
Background: The aim of this study was to investigate whether the use of three-dimensional (3-D) computed tomography (CT)-based head-lesser trochanter distance (HLD) could reduce leg length discrepancy (LLD) more than the use of a two-dimensional (2-D) plain film method in primary bipolar hemiarthroplasty. Methods: Propensity score matching (PSM) analysis was used to adjust the confounding factors. A retrospective comparative analysis of 128 patients was performed. In the control group, the leg length was equalized using the 2-D, plain film-based HLD. In the study group, primary bipolar hemiarthroplasty was performed using the 3-D CT-based HLD method. Postoperative LLDs were compared between the two groups using the method of Ranawat. In addition, the Harris hip score (HHS) was evaluated and compared at one year after surgery. Results: A significant difference was observed in mean postoperative LLD between the 2-D HLD group and the 3-D CT HLD group: 1.6 ± 1.2 mm (range, 0.1−6.0 mm) and 1.1 ± 1.2 mm (range, 0.1−5.1 mm), respectively (p < 0.05). Additionally, a higher percentage of patients in the 3-D CT HLD group had an LLD of less than 2 mm. The mean HHS at one year after surgery showed no significant difference between the two groups. Conclusions: To minimize the occurrence of LLD, HLD measurement from a CT scanner may be more accurate than an X-ray. The 2-D and 3-D HLD differences in the 3-D CT HLD group were statistically significant. Using a 3-D, CT-based HLD method might decrease the possibility of an LLD over 2 mm.
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Affiliation(s)
- Seungbae Oh
- Department of Orthopedic Surgery, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Yong-Sik Kim
- Department of Orthopedic Surgery, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Soon-Yong Kwon
- Department of Orthopedic Surgery, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Young-Wook Lim
- Department of Orthopedic Surgery, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Hyunwoo Park
- Department of Orthopedic Surgery, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Jongwoo Park
- Department of Orthopedic Surgery, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Joo-Hyoun Song
- Department of Orthopedic Surgery, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
- Correspondence: ; Tel.: +82-31-49-7966
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22
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Kamath AF, Durbhakula SM, Pickering T, Cafferky NL, Murray TG, Wind MA, Méthot S. Improved accuracy and fewer outliers with a novel CT-free robotic THA system in matched-pair analysis with manual THA. J Robot Surg 2022. [PMID: 34709535 DOI: 10.1007/s11701-021-01315-3/figures/5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
Abstract
Accurate component orientation and restoration of hip biomechanics remains a continuing challenge in total hip arthroplasty (THA). The goal of this study was to analyze the accuracy/reproducibility of a novel CT-free and pin-less robotic-assisted THA (RA-THA) platform compared to manual THA (mTHA). This matched-pair cadaveric study compared this RA-THA system to mTHA (n = 33/arm), both using the assistance of fluoroscopic imaging, in a group of 14 high-volume arthroplasty surgeons. In both groups, surgeons were asked to aim for 40°/15° for cup inclination/version, and 0 mm of leg length discrepancy (LLD). A validated and accurate method using radio-opaque markers measured cup inclination/version and LLD. The accuracy and reproducibility (fewer outliers) of cup inclination was significantly improved in the robotic group (1.8° ± 1.3° vs 6.4° ± 4.9°, respectively, robotic vs manual; p < 0.001), with no significant difference between groups for version. The reproducibility of LLD was significantly improved in the robotic group (p = 0.003). For all parameters studied, the robotic group had an improved accuracy and lower variance (fewer outliers). The percentage of cases within the more restrictive Callanan safe zone was 100% for RA-THA vs 73% for mTHA (p = 0.002). The CT-free RA-THA platform, using only fluoroscopic imaging, demonstrated more accurate acetabular cup positioning, when compared to the mTHA procedures performed by high-volume hip surgeons (naive to this RA-THA platform), with respect to cup inclination and placement within the Lewinnek/Callanan safe zones. Future study must incorporate economic factors, lower volume surgeons, clinical and patient-centric outcomes, and other radiographic parameters in controlled studies in large sample sizes.
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Affiliation(s)
- Atul F Kamath
- Orthopaedic and Rheumatologic Institute, Cleveland Clinic, 9500 Euclid Avenue, A40, Cleveland, OH, 44195, USA.
| | | | - Trevor Pickering
- Mississippi Sports Medicine and Orthopaedic Center, Jackson, MS, 39202, USA
| | | | - Trevor G Murray
- Orthopaedic and Rheumatologic Institute, Cleveland Clinic, 9500 Euclid Avenue, A40, Cleveland, OH, 44195, USA
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Zhang S, Liu Y, Yang M, Ma M, Cao Z, Kong X, Chai W. Robotic-assisted versus manual total hip arthroplasty in obese patients: a retrospective case-control study. J Orthop Surg Res 2022; 17:368. [PMID: 35907875 PMCID: PMC9338672 DOI: 10.1186/s13018-022-03263-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 07/25/2022] [Indexed: 11/12/2022] Open
Abstract
Aims The objective of this study was to evaluate the accuracy of acetabular cup positioning in the obese patients when using robotic-assisted technology during total hip arthroplasty (THA). Methods Data were retrospectively collected from patients who underwent primary (THA) with a body mass index (BMI) ≥ 28 kg/m2 and ≥ 1 year of follow-up between January 2018 and December 2019. Their demographics, diagnosis, acetabular cup positioning, American Society of Anesthesiologists (ASA) score, Harris Hip Score (HHS), and Forgotten Joint Score (FJS) at the final follow-up were recorded for analysis. Results There were no statistically significant differences between the two groups in height, weight, BMI, ASA score, or preoperative Harris Hip Score (HHS). Also, there was no difference in inclination angle between the two groups (R-THA: 41.29° ± 3.04°; manual THA (M-THA): 40.47° ± 5.46°; P = 0.312). However, the mean anteversion angle was greater in the R-THA group (20.71° ± 1.98° vs. 19.08° ± 4.04°; P < 0.001). Compared to M-THA, R-THA more frequently achieved an acetabular cup angle within 5° of the target (anteversion, 98.1% vs. 78.1% P = 0.001; inclination, 88.5% vs. 53.1%, P < 0.001). The R-THA group was more advantageous in restoring the hip center of rotation (COR) and leg length difference (LLD). There was no statistical difference in postoperative HHS (P = 0.404) or FJS (P = 0.497) between the two groups. Conclusions Compared to manual technique, robotic-assisted technique provided more precise acetabular cup positioning and better leg length restoration for obese patients. The robotic-assisted technique was more advantageous in recovering the center of rotation position and achieved a higher proportion of the acetabular cup placed in the target safety zone. Further studies are needed to confirm the clinical outcomes of surgeries in obese patients using robotic-assisted technology.
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Affiliation(s)
- Shuai Zhang
- Medical School of Chinese PLA, No. 28 Fuxing Road, Haidian District, Beijing, China.,Senior Department of Orthopedics, the Forth Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Haidian District, Beijing, 100853, China.,National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, No. 28 Fuxing Road, Haidian District, Beijing, China
| | - Yubo Liu
- Senior Department of Orthopedics, the Forth Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Haidian District, Beijing, 100853, China.,National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, No. 28 Fuxing Road, Haidian District, Beijing, China.,School of Medicine, Nankai University, No. 94 Weijin Road, Nankai District, Tianjin, China
| | - Minzhi Yang
- Senior Department of Orthopedics, the Forth Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Haidian District, Beijing, 100853, China.,National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, No. 28 Fuxing Road, Haidian District, Beijing, China.,School of Medicine, Nankai University, No. 94 Weijin Road, Nankai District, Tianjin, China
| | - Mingyang Ma
- Medical School of Chinese PLA, No. 28 Fuxing Road, Haidian District, Beijing, China.,Senior Department of Orthopedics, the Forth Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Haidian District, Beijing, 100853, China.,National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, No. 28 Fuxing Road, Haidian District, Beijing, China
| | - Zheng Cao
- Senior Department of Orthopedics, the Forth Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Haidian District, Beijing, 100853, China.,National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, No. 28 Fuxing Road, Haidian District, Beijing, China.,School of Medicine, Nankai University, No. 94 Weijin Road, Nankai District, Tianjin, China
| | - Xiangpeng Kong
- Senior Department of Orthopedics, the Forth Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Haidian District, Beijing, 100853, China. .,National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, No. 28 Fuxing Road, Haidian District, Beijing, China.
| | - Wei Chai
- Senior Department of Orthopedics, the Forth Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Haidian District, Beijing, 100853, China. .,National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, No. 28 Fuxing Road, Haidian District, Beijing, China.
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24
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Improved accuracy and fewer outliers with a novel CT-free robotic THA system in matched-pair analysis with manual THA. J Robot Surg 2021; 16:905-913. [PMID: 34709535 PMCID: PMC9314281 DOI: 10.1007/s11701-021-01315-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 10/03/2021] [Indexed: 11/26/2022]
Abstract
Accurate component orientation and restoration of hip biomechanics remains a continuing challenge in total hip arthroplasty (THA). The goal of this study was to analyze the accuracy/reproducibility of a novel CT-free and pin-less robotic-assisted THA (RA-THA) platform compared to manual THA (mTHA). This matched-pair cadaveric study compared this RA-THA system to mTHA (n = 33/arm), both using the assistance of fluoroscopic imaging, in a group of 14 high-volume arthroplasty surgeons. In both groups, surgeons were asked to aim for 40°/15° for cup inclination/version, and 0 mm of leg length discrepancy (LLD). A validated and accurate method using radio-opaque markers measured cup inclination/version and LLD. The accuracy and reproducibility (fewer outliers) of cup inclination was significantly improved in the robotic group (1.8° ± 1.3° vs 6.4° ± 4.9°, respectively, robotic vs manual; p < 0.001), with no significant difference between groups for version. The reproducibility of LLD was significantly improved in the robotic group (p = 0.003). For all parameters studied, the robotic group had an improved accuracy and lower variance (fewer outliers). The percentage of cases within the more restrictive Callanan safe zone was 100% for RA-THA vs 73% for mTHA (p = 0.002). The CT-free RA-THA platform, using only fluoroscopic imaging, demonstrated more accurate acetabular cup positioning, when compared to the mTHA procedures performed by high-volume hip surgeons (naive to this RA-THA platform), with respect to cup inclination and placement within the Lewinnek/Callanan safe zones. Future study must incorporate economic factors, lower volume surgeons, clinical and patient-centric outcomes, and other radiographic parameters in controlled studies in large sample sizes.
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