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Lee YS, Cho DC, Kim KT. Navigation-Guided/Robot-Assisted Spinal Surgery: A Review Article. Neurospine 2024; 21:8-17. [PMID: 38569627 PMCID: PMC10992634 DOI: 10.14245/ns.2347184.592] [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: 10/07/2023] [Revised: 02/13/2024] [Accepted: 02/17/2024] [Indexed: 04/05/2024] Open
Abstract
The development of minimally invasive spinal surgery utilizing navigation and robotics has significantly improved the feasibility, accuracy, and efficiency of this surgery. In particular, these methods provide improved accuracy of pedicle screw placement, reduced radiation exposure, and shortened learning curves for surgeons. However, research on the clinical outcomes and cost-effectiveness of navigation and robot-assisted spinal surgery is still in its infancy. Therefore, there is limited available evidence and this makes it difficult to draw definitive conclusions regarding the long-term benefits of these technologies. In this review article, we provide a summary of the current navigation and robotic spinal surgery systems. We concluded that despite the progress that has been made in recent years, and the clear advantages these methods can provide in terms of clinical outcomes and shortened learning curves, cost-effectiveness remains an issue. Therefore, future studies are required to consider training costs, variable initial expenses, maintenance and service fees, and operating costs of these advanced platforms so that they are feasible for implementation in standard clinical practice.
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Affiliation(s)
- Young-Seok Lee
- Department of Neurosurgery, Chung-Ang University Hospital, College of Medicine, Chung-Ang University, Seoul, Korea
| | - Dae-Chul Cho
- Department of Neurosurgery, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Kyoung-Tae Kim
- Department of Neurosurgery, Kyungpook National University Chilgok Hospital, School of Medicine, Kyungpook National University, Daegu, Korea
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Jung B, Han J, Shahsavarani S, Abbas AM, Echevarria AC, Carrier RE, Ngan A, Katz AD, Essig D, Verma R. Robotic-Assisted Versus Fluoroscopic-Guided Surgery on the Accuracy of Spine Pedicle Screw Placement: A Systematic Review and Meta-Analysis. Cureus 2024; 16:e54969. [PMID: 38410625 PMCID: PMC10896625 DOI: 10.7759/cureus.54969] [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] [Accepted: 02/26/2024] [Indexed: 02/28/2024] Open
Abstract
Spinal fusion is a common method by which surgeons decrease instability and deformity of the spinal segment targeted. Pedicle screws are vital tools in fusion surgeries and advancements in technology have introduced several modalities of screw placement. Our objective was to evaluate the accuracy of pedicle screw placement in robot-assisted (RA) versus fluoroscopic-guided (FG) techniques. The PubMed and Cochrane Library databases were systematically reviewed from January 2007 through to August 8, 2022, to identify relevant studies. The accuracy of pedicle screw placement was determined using the Gertzbein-Robbins (GR) classification system. Facet joint violation (FJV), total case radiation dosage, total case radiation time, total operating room (OR) time, and total case blood loss were collected. Twenty-one articles fulfilled the inclusion criteria. Successful screw accuracy (GR Grade A or B) was found to be 1.02 (95% confidence interval: 1.01 - 1.04) times more likely with the RA technique. In defining accuracy solely based on the GR Grade A criteria, screws placed with RA were 1.10 (95% confidence interval: 1.06 - 1.15) times more likely to be accurate. There was no significant difference between the two techniques with respect to blood loss (Hedges' g: 1.16, 95% confidence interval: -0.75 to 3.06) or case radiation time (Hedges' g: -0.34, 95% CI: -1.22 to 0.53). FG techniques were associated with shorter operating room times (Hedges' g: -1.03, 95% confidence interval: -1.76 to -0.31), and higher case radiation dosage (Hedges' g: 1.61, 95% confidence interval: 1.11 to 2.10). This review suggests that RA may slightly increase pedicle screw accuracy and decrease per-case radiation dosage compared to FG techniques. However, total operating times for RA cases are greater than those for FG cases.
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Affiliation(s)
- Bongseok Jung
- Orthopedic Spine Surgery, Northwell Health, Manhasset, USA
- Orthopedics, Donald and Barbara Zucker School of Medicine, Hempstead, USA
| | - Justin Han
- Orthopedic Spine Surgery, Northwell Health, Manhasset, USA
| | | | - Anas M Abbas
- Orthopedic Spine Surgery, Northwell Health, Manhasset, USA
| | | | | | - Alex Ngan
- Orthopedic Spine Surgery, Northwell Health, Manhasset, USA
| | - Austen D Katz
- Orthopedic Spine Surgery, Northwell Health, Manhasset, USA
| | - David Essig
- Orthopedic Spine Surgery, Northwell Health, Manhasset, USA
| | - Rohit Verma
- Orthopedic Spine Surgery, Northwell Health, Manhasset, USA
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Sabol JC, Mariani CL. Implantation Corridors in Canine Thoracic Vertebrae: A Morphometric Study in Dogs of Varying Sizes. Vet Comp Orthop Traumatol 2024. [PMID: 38253326 DOI: 10.1055/s-0043-1778683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
OBJECTIVE Surgical stabilization to treat fractures, luxations, and congenital malformations in the thoracic spine can be difficult due to its unique anatomy and surrounding structures. Our objective was to document the morphometrics of the thoracic vertebrae relating to an ideal trajectory for dorsolateral implant placement in a variety of dog sizes and to assess proximity to important adjacent critical anatomical structures using computed tomography (CT) studies. STUDY DESIGN Medical records for 30 dogs with thoracic CT were evaluated. Implantation corridor parameters for thoracic vertebrae (T1-T13) were measured, including the length, width, angle from midline, and allowable deviation angle for corridors simulated using an ideal implant trajectory. The distances from each vertebra to the trachea, lungs, aorta, subclavian artery, and azygos vein were also measured. RESULTS Implantation corridor widths were often very narrow, particularly in the mid-thoracic region, and allowable deviation angles were frequently small. Distances to critical anatomical structures were often less than 1 mm, even in larger dogs. CONCLUSION Thoracic implantation requires substantial precision to avoid breaching the canal, ineffective implant placement, and potential life-threatening complications resulting from invasion of surrounding anatomical structures.
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Affiliation(s)
- Julianna C Sabol
- Comparative Neuroimmunology and Neuro-oncology Laboratory, North Carolina State University, Raleigh, North Carolina, United States
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, United States
| | - Christopher L Mariani
- Comparative Neuroimmunology and Neuro-oncology Laboratory, North Carolina State University, Raleigh, North Carolina, United States
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, United States
- Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina, United States
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Avrumova F, Goldman SN, Altorfer F, Paschal GK, Lebl DR. Anterior cervical osteotomy of diffuse idiopathic skeletal hyperostosis lesions with computer-assisted navigation surgery: A case report. Clin Case Rep 2024; 12:e8427. [PMID: 38197064 PMCID: PMC10774538 DOI: 10.1002/ccr3.8427] [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: 10/20/2023] [Revised: 11/24/2023] [Accepted: 12/14/2023] [Indexed: 01/11/2024] Open
Abstract
Key Clinical Message Diffuse idiopathic skeletal hyperostosis (DISH) involves spine ligament ossification. Computer-assisted navigation (CAN) effectively aids complex surgeries, such as anterior cervical osteotomy, to alleviate progressive DISH-related dysphagia. Abstract We describe a 68-year-old man with sudden onset dysphagia to both solids and liquids. Radiographic Imaging revealed DISH lesions from C2 down to the thoracic spine. The patient was successfully treated with CAN anterior osteotomy and resection of DISH lesions from C3-C6 and had complete symptom relief within 2 weeks post-operatively.
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Affiliation(s)
- Fedan Avrumova
- Department of Spine SurgeryHospital for Special SurgeryNew YorkNew YorkUSA
| | - Samuel N. Goldman
- Department of Spine SurgeryHospital for Special SurgeryNew YorkNew YorkUSA
| | - Franziska Altorfer
- Department of Spine SurgeryHospital for Special SurgeryNew YorkNew YorkUSA
| | - Gregory K. Paschal
- Department of Spine SurgeryHospital for Special SurgeryNew YorkNew YorkUSA
| | - Darren R. Lebl
- Department of Spine SurgeryHospital for Special SurgeryNew YorkNew YorkUSA
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Pahwa B, Azad TD, Liu J, Ran K, Liu CJ, Tracz J, Sattari SA, Khalifeh JM, Judy BF, Bydon A, Witham TF. Assessing the Accuracy of Spinal Instrumentation Using Augmented Reality (AR): A Systematic Review of the Literature and Meta-Analysis. J Clin Med 2023; 12:6741. [PMID: 37959207 PMCID: PMC10649145 DOI: 10.3390/jcm12216741] [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: 08/15/2023] [Revised: 09/20/2023] [Accepted: 10/23/2023] [Indexed: 11/15/2023] Open
Abstract
Technological advancements, particularly in the realm of augmented reality (AR), may facilitate more accurate and precise pedicle screw placement. AR integrates virtual data into the operator's real-world view, allowing for the visualization of patient-specific anatomy and navigated trajectories. We aimed to conduct a meta-analysis of the accuracy of pedicle screw placement using AR-based systems. A systematic review of the literature and meta-analysis was performed using the PubMed/MEDLINE database, including studies reporting the accuracy of pedicle screw placement using AR. In total, 8 studies with 163 patients and 1259 screws were included in the analysis. XVision (XVS) was the most commonly used AR system (595 screws) followed by the Allura AR surgical navigation system (ARSN) (462 screws). The overall accuracy was calculated as 97.2% (95% CI 96.2-98.1% p < 0.001). Subgroup analysis revealed that there was no statistically significant difference in the accuracy rates achieved by XVS and Allura ARSN (p = 0.092). AR enables reliable, accurate placement of spinal instrumentation. Future research efforts should focus on comparative studies, cost effectiveness, operative time, and radiation exposure.
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Affiliation(s)
- Bhavya Pahwa
- University College of Medical Sciences, GTB Hospital, New Delhi 110095, India;
| | - Tej D. Azad
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, MD 21287, USA; (T.D.A.); (C.J.L.); (J.T.); (S.A.S.); (J.M.K.); (B.F.J.); (A.B.)
| | - Jiaqi Liu
- School of Medicine, Georgetown University, Washington, DC 20007, USA
| | - Kathleen Ran
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, MD 21287, USA; (T.D.A.); (C.J.L.); (J.T.); (S.A.S.); (J.M.K.); (B.F.J.); (A.B.)
| | - Connor J. Liu
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, MD 21287, USA; (T.D.A.); (C.J.L.); (J.T.); (S.A.S.); (J.M.K.); (B.F.J.); (A.B.)
| | - Jovanna Tracz
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, MD 21287, USA; (T.D.A.); (C.J.L.); (J.T.); (S.A.S.); (J.M.K.); (B.F.J.); (A.B.)
| | - Shahab Aldin Sattari
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, MD 21287, USA; (T.D.A.); (C.J.L.); (J.T.); (S.A.S.); (J.M.K.); (B.F.J.); (A.B.)
| | - Jawad M. Khalifeh
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, MD 21287, USA; (T.D.A.); (C.J.L.); (J.T.); (S.A.S.); (J.M.K.); (B.F.J.); (A.B.)
| | - Brendan F. Judy
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, MD 21287, USA; (T.D.A.); (C.J.L.); (J.T.); (S.A.S.); (J.M.K.); (B.F.J.); (A.B.)
| | - Ali Bydon
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, MD 21287, USA; (T.D.A.); (C.J.L.); (J.T.); (S.A.S.); (J.M.K.); (B.F.J.); (A.B.)
| | - Timothy F. Witham
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, MD 21287, USA; (T.D.A.); (C.J.L.); (J.T.); (S.A.S.); (J.M.K.); (B.F.J.); (A.B.)
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Park C, Shabani S, Agarwal N, Tan L, Mummaneni PV. Robotic-Assisted Surgery and Navigation in Deformity Surgery. Neurosurg Clin N Am 2023; 34:659-664. [PMID: 37718112 DOI: 10.1016/j.nec.2023.05.002] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2023]
Abstract
Deformity surgery is advancing quickly with the use of three-dimensional navigation and robotics. In spinal fusion, the use of robotics improves screw placement accuracy and reduces radiation, complications, blood loss, and recovery time. Currently, there is limited evidence showing that robotics is better than traditional freehand techniques. Most studies favoring robotics are small and retrospective due to the novelty of the technology in deformity surgery. Using these systems can also be expensive and time-consuming. Surgeons should use these advancements as tools, but not rely on them to replace surgical experience, anatomy knowledge, and good judgment.
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Affiliation(s)
- Christine Park
- Department of Neurological Surgery, University of California, 505 Parnassus Avenue, San Francisco, CA 94143, USA.
| | - Saman Shabani
- Department of Neurological Surgery, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA
| | - Nitin Agarwal
- Department of Neurological Surgery, 200 Lothrop Street, Pittsburgh, PA 15213, USA
| | - Lee Tan
- Department of Neurological Surgery, University of California, 505 Parnassus Avenue, San Francisco, CA 94143, USA
| | - Praveen V Mummaneni
- Department of Neurological Surgery, University of California, 505 Parnassus Avenue, San Francisco, CA 94143, USA
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Matinfar S, Salehi M, Suter D, Seibold M, Dehghani S, Navab N, Wanivenhaus F, Fürnstahl P, Farshad M, Navab N. Sonification as a reliable alternative to conventional visual surgical navigation. Sci Rep 2023; 13:5930. [PMID: 37045878 PMCID: PMC10097653 DOI: 10.1038/s41598-023-32778-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 04/02/2023] [Indexed: 04/14/2023] Open
Abstract
Despite the undeniable advantages of image-guided surgical assistance systems in terms of accuracy, such systems have not yet fully met surgeons' needs or expectations regarding usability, time efficiency, and their integration into the surgical workflow. On the other hand, perceptual studies have shown that presenting independent but causally correlated information via multimodal feedback involving different sensory modalities can improve task performance. This article investigates an alternative method for computer-assisted surgical navigation, introduces a novel four-DOF sonification methodology for navigated pedicle screw placement, and discusses advanced solutions based on multisensory feedback. The proposed method comprises a novel four-DOF sonification solution for alignment tasks in four degrees of freedom based on frequency modulation synthesis. We compared the resulting accuracy and execution time of the proposed sonification method with visual navigation, which is currently considered the state of the art. We conducted a phantom study in which 17 surgeons executed the pedicle screw placement task in the lumbar spine, guided by either the proposed sonification-based or the traditional visual navigation method. The results demonstrated that the proposed method is as accurate as the state of the art while decreasing the surgeon's need to focus on visual navigation displays instead of the natural focus on surgical tools and targeted anatomy during task execution.
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Affiliation(s)
- Sasan Matinfar
- Computer Aided Medical Procedures (CAMP), Technical University of Munich, 85748, Munich, Germany.
- Nuklearmedizin rechts der Isar, Technical University of Munich, 81675, Munich, Germany.
| | - Mehrdad Salehi
- Computer Aided Medical Procedures (CAMP), Technical University of Munich, 85748, Munich, Germany
| | - Daniel Suter
- Department of Orthopaedics, Balgrist University Hospital, 8008, Zurich, Switzerland
| | - Matthias Seibold
- Computer Aided Medical Procedures (CAMP), Technical University of Munich, 85748, Munich, Germany
- Research in Orthopedic Computer Science (ROCS), Balgrist University Hospital, University of Zurich, Balgrist Campus, 8008, Zurich, Switzerland
| | - Shervin Dehghani
- Computer Aided Medical Procedures (CAMP), Technical University of Munich, 85748, Munich, Germany
- Nuklearmedizin rechts der Isar, Technical University of Munich, 81675, Munich, Germany
| | - Navid Navab
- Topological Media Lab, Concordia University, Montreal, H3G 2W1, Canada
| | - Florian Wanivenhaus
- Department of Orthopaedics, Balgrist University Hospital, 8008, Zurich, Switzerland
| | - Philipp Fürnstahl
- Research in Orthopedic Computer Science (ROCS), Balgrist University Hospital, University of Zurich, Balgrist Campus, 8008, Zurich, Switzerland
| | - Mazda Farshad
- Department of Orthopaedics, Balgrist University Hospital, 8008, Zurich, Switzerland
| | - Nassir Navab
- Computer Aided Medical Procedures (CAMP), Technical University of Munich, 85748, Munich, Germany
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Delcont MR, Ou-Yang DC, Burger EL, Patel VV, Wessell NM, Kleck CJ. Alternative Uses of O-Arm and Stealth Navigation Technology Over 10 Years: The University of Colorado Experience. Orthopedics 2023; 46:e89-e97. [PMID: 35876781 DOI: 10.3928/01477447-20220719-04] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Intraoperative computed tomography scanning with O-arm and use of Stealth navigation can improve surgical outcomes in a variety of orthopedic subspecialties. In spine surgery, the accuracy, precision, and safety of pedicle screw and interbody implant placement has improved. This technology is now routinely used in percutaneous pedicle screw placement and minimally invasive sacroiliac joint fusion. Other applications include, but are not limited to, isthmic pars defect repair, lumbosacral pseudoarticulation resection in Bertolotti's syndrome, radiofrequency ablation, and en bloc tumor resection. Intraoperative navigation has numerous applications, and use of this technology should continue to evolve as the technology advances. [Orthopedics. 2023;46(2):e89-e97.].
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Crawford AM, Striano BM, Lightsey HM, Zhu JS, Xiong GX, Schoenfeld AJ, Simpson AK. Projected lifetime cancer risk for patients undergoing spine surgery for isthmic spondylolisthesis. Spine J 2023; 23:824-831. [PMID: 36736738 DOI: 10.1016/j.spinee.2023.01.014] [Citation(s) in RCA: 2] [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: 10/11/2022] [Revised: 01/15/2023] [Accepted: 01/24/2023] [Indexed: 02/05/2023]
Abstract
BACKGROUND CONTEXT Radiographs, fluoroscopy, and computed tomography (CT) are increasingly utilized in the diagnosis and management of various spine pathologies. Such modalities utilize ionizing radiation, a known cause of carcinogenesis. While the radiation doses such studies confer has been investigated previously, it is less clear how such doses translate to projected cancer risks, which may be a more interpretable metric. PURPOSE (1) Calculate the lifetime cancer risk and the relative contributions of preference-sensitive selection of imaging modalities associated with the surgical management of a common spine pathology, isthmic spondylolisthesis (IS); (2) Investigate whether the use of intraoperative CT, which is being more pervasively adopted, increases the risk of cancer. STUDY DESIGN/SETTING Retrospective cross-sectional study carried out within a large integrated health care network. PATIENT SAMPLE Adult patients who underwent surgical treatment of IS via lumbar fusion from January 2016 through December 2021. OUTCOME MEASURES (1) Effective radiation dose and lifetime cancer risk associated with each exposure to ionizing radiation; (2) Difference in effective radiation dose (and lifetime cancer risk) among patients who received intraoperative CT compared to other intraoperative imaging techniques. METHODS Baseline demographics and differences in surgical techniques were characterized. Radiation exposure data were collected from the 2-year period centered on the operative date. Projected risk of cancer from this radiation was calculated utilizing each patient's effective radiation dose in combination with age and sex. Generalized linear modeling was used to adjust for covariates when determining the comparative risk of intraoperative CT as compared to alternative imaging modalities. RESULTS We included 151 patients in this cohort. The range in calculated cancer risk exclusively from IS management was 1.3-13 cases of cancer per 1,000 patients. During the intraoperative period, CT imaging was found to significantly increase radiation exposure as compared to alternate imaging modalities (adjusted risk difference (ARD) 12.33mSv; IQR 10.04, 14.63mSv; p<.001). For a standardized 40 to 49-year-old female, this projects to an additional 0.72 cases of cancer per 1,000. For the entire 2-year perioperative care episode, intraoperative CT as compared to other intraoperative imaging techniques was not found to increase total ionizing radiation exposure (ARD 9.49mSv; IQR -0.83, 19.81mSv; p=.072). The effect of intraoperative imaging choice was mitigated in part due to preoperative (ARD 13.1mSv, p<.001) and postoperative CTs (ARD 22.7mSv, p<.001). CONCLUSIONS Preference-sensitive imaging decisions in the treatment of IS impart substantial cancer risk. Important drivers of radiation exposure exist in each phase of care, including intraoperative CT and/or CT scans during the perioperative period. Knowledge of these data warrant re-evaluation of current imaging protocols and suggest a need for the development of radiation-sensitive approaches to perioperative imaging.
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Affiliation(s)
- Alexander M Crawford
- Harvard Combined Orthopaedic Residency Program, Harvard Medical School, 75 Francis St, Boston, MA, 02115, USA
| | - Brendan M Striano
- Harvard Combined Orthopaedic Residency Program, Harvard Medical School, 75 Francis St, Boston, MA, 02115, USA
| | - Harry M Lightsey
- Harvard Combined Orthopaedic Residency Program, Harvard Medical School, 75 Francis St, Boston, MA, 02115, USA
| | - Jimmy S Zhu
- Department of Orthopaedic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Grace X Xiong
- Harvard Combined Orthopaedic Residency Program, Harvard Medical School, 75 Francis St, Boston, MA, 02115, USA
| | - Andrew J Schoenfeld
- Department of Orthopaedic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Andrew K Simpson
- Department of Orthopaedic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
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Benzakour A, Altsitzioglou P, Lemée JM, Ahmad A, Mavrogenis AF, Benzakour T. Artificial intelligence in spine surgery. Int Orthop 2023; 47:457-465. [PMID: 35902390 DOI: 10.1007/s00264-022-05517-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 07/11/2022] [Indexed: 01/28/2023]
Abstract
The continuous progress of research and clinical trials has offered a wide variety of information concerning the spine and the treatment of the different spinal pathologies that may occur. Planning the best therapy for each patient could be a very difficult and challenging task as it often requires thorough processing of the patient's history and individual characteristics by the clinician. Clinicians and researchers also face problems when it comes to data availability due to patients' personal information protection policies. Artificial intelligence refers to the reproduction of human intelligence via special programs and computers that are trained in a way that simulates human cognitive functions. Artificial intelligence implementations to daily clinical practice such as surgical robots that facilitate spine surgery and reduce radiation dosage to medical staff, special algorithms that can predict the possible outcomes of conservative versus surgical treatment in patients with low back pain and disk herniations, and systems that create artificial populations with great resemblance and similar characteristics to real patients are considered to be a novel breakthrough in modern medicine. To enhance the body of the related literature and inform the readers on the clinical applications of artificial intelligence, we performed this review to discuss the contribution of artificial intelligence in spine surgery and pathology.
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Affiliation(s)
- Ahmed Benzakour
- Centre Orléanais du Dos - Pôle Santé Oréliance, Saran, France
| | - Pavlos Altsitzioglou
- First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Jean Michel Lemée
- Department of Neurosurgery, University Hospital of Angers, Angers, France
| | | | - Andreas F Mavrogenis
- First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece.
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11
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Richter PH, Gebhard F. [Application of navigation in the fractured spine]. Oper Orthop Traumatol 2023; 35:29-36. [PMID: 36441223 DOI: 10.1007/s00064-022-00790-7] [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] [Subscribe] [Scholar Register] [Accepted: 10/21/2022] [Indexed: 11/29/2022]
Abstract
OBJECTIVE Computer navigation is used in patients with spine fractures to optimize the accuracy of pedicle screws and thereby reduce intra- and postoperative complications, such as injuries to vessels, nerves and accompanying structures. In addition, the ideal screw length and diameter for each pedicle can be detected to ensure optimal stability. INDICATIONS Intraoperative navigation is suitable for the treatment of spine fractures, which require dorsal stabilization or fusion. It is primarily used for dorsal procedures ranging from the cervical to lumbar/sacral spine. CONTRAINDICATIONS Computer navigation relies on rigid fixation of the dynamic reference base (DRB) at the spinous process. Failure of DRB fixation is the major contraindication for navigation in the spine. SURGICAL TECHNIQUE After acquisition of an intraoperative three-dimensional (3D) scan, a digital relation between the anatomy and the 3D scan is established with the navigation system and its infrared camera. Pedicle screws are planned percutaneously with a calibrated pointer. In the next step K‑wires (or screws) are implanted after the pedicles are drilled with a calibrated drill guide. After implantation, an additional 3D scan is performed to verify accurate K‑wire placement. POSTOPERATIVE MANAGEMENT Postoperative management does not differ compared to nonnavigated procedures. RESULTS Intraoperative navigation in combination with modern imaging systems leads to very high accuracy for pedicle screws. Immediate intraoperative control of K‑wires as well as screws and fracture reduction can avoid revision surgery. Image guidance can reduce radiation exposure for the surgical team.
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12
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Beyer RS, Nguyen A, Brown NJ, Gendreau JL, Hatter MJ, Pooladzandi O, Pham MH. Spinal robotics in cervical spine surgery: a systematic review with key concepts and technical considerations. J Neurosurg Spine 2023; 38:66-74. [PMID: 36087333 DOI: 10.3171/2022.7.spine22473] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [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: 04/29/2022] [Accepted: 07/06/2022] [Indexed: 01/05/2023]
Abstract
OBJECTIVE Spinal robotics for thoracolumbar procedures, predominantly employed for the insertion of pedicle screws, is currently an emerging topic in the literature. The use of robotics in instrumentation of the cervical spine has not been broadly explored. In this review, the authors aimed to coherently synthesize the existing literature of intraoperative robotic use in the cervical spine and explore considerations for future directions and developments in cervical spinal robotics. METHODS A literature search in the Web of Science, Scopus, and PubMed databases was performed for the purpose of retrieving all articles reporting on cervical spine surgery with the use of robotics. For the purposes of this study, randomized controlled trials, nonrandomized controlled trials, retrospective case series, and individual case reports were included. The Newcastle-Ottawa Scale was utilized to assess risk of bias of the studies included in the review. To present and synthesize results, data were extracted from the included articles and analyzed using the PyMARE library for effect-size meta-analysis. RESULTS On careful review, 6 articles published between 2016 and 2022 met the inclusion/exclusion criteria, including 1 randomized controlled trial, 1 nonrandomized controlled trial, 2 case series, and 2 case reports. These studies featured a total of 110 patients meeting the inclusion criteria (mean age 53.9 years, range 29-77 years; 64.5% males). A total of 482 cervical screws were placed with the use of a surgical robot, which yielded an average screw deviation of 0.95 mm. Cervical pedicle screws were the primary screw type used, at a rate of 78.6%. According to the Gertzbein-Robbins classification, 97.7% of screws in this review achieved a clinically acceptable grade. The average duration of surgery, blood loss, and postoperative length of stay were all decreased in minimally invasive robotic surgery relative to open procedures. Only 1 (0.9%) postoperative complication was reported, which was a surgical site infection, and the mean length of follow-up was 2.7 months. No mortality was reported. CONCLUSIONS Robot-assisted cervical screw placement is associated with acceptable rates of clinical grading, operative time, blood loss, and postoperative complications-all of which are equal to or improved relative to the metrics seen in the conventional use of fluoroscopy or computer-assisted navigation for cervical screw placement.
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Affiliation(s)
- Ryan S Beyer
- 1Department of Neurological Surgery, University of California, Irvine, Orange
| | - Andrew Nguyen
- 2Department of Neurosurgery, UC San Diego School of Medicine, San Diego
| | - Nolan J Brown
- 1Department of Neurological Surgery, University of California, Irvine, Orange
| | - Julian L Gendreau
- 4Department of Biomedical Engineering, Johns Hopkins Whiting School of Engineering, Baltimore, Maryland
| | - Matthew J Hatter
- 1Department of Neurological Surgery, University of California, Irvine, Orange
| | - Omead Pooladzandi
- 3Department of Electrical and Computer Engineering, University of California, Los Angeles, California; and
| | - Martin H Pham
- 2Department of Neurosurgery, UC San Diego School of Medicine, San Diego
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13
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Cutler CB, King P, Khan M, Olowofela B, Lucke-Wold B. Innovation in Neurosurgery: Lessons Learned, Obstacles, and Potential Funding Sources. Neurons Neurol Disord 2022; 1:003. [PMID: 36848305 PMCID: PMC9956204] [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] [Figures] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
Innovation is central to neurosurgery and has dramatically increased over the last twenty years. Although the specialty innovates as a whole, only 3-4.7% of practicing neurosurgeons hold patents. Various roadblocks to innovation impede this process such as lack of understanding, increasing regulatory complexity, and lack of funding. Newly emerging technologies allow us to understand how to innovate and how to learn from other medical specialties. By further understanding the process of innovation, and the funding that supports it, Neurosurgery can continue to hold innovation as one of its's central tenets.
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Affiliation(s)
| | - Patrick King
- Rosalind Franklin University of Medicine and Science, Chicago, IL, USA
| | - Majid Khan
- University of Nevada, Reno School of Medicine, Reno, NV, USA
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14
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Huang X, Gong J, Liu H, Shi Z, Wang W, Chen S, Shi X, Li C, Tang Y, Zhou Y. Unilateral biportal endoscopic lumbar interbody fusion assisted by intraoperative O-arm total navigation for lumbar degenerative disease: A retrospective study. Front Surg 2022; 9:1026952. [PMID: 36211257 PMCID: PMC9539070 DOI: 10.3389/fsurg.2022.1026952] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 09/12/2022] [Indexed: 12/01/2022] Open
Abstract
Background Recently, unilateral biportal endoscopic lumbar interbody fusion (BE-LIF) has been successfully applied for degenerative diseases of the lumbar spine, with good clinical results reported. However, the drawbacks include radiation exposure, limited field of view, and steep learning curves. Objective This retrospective study aimed to compare the results between navigation and non-navigation groups and explore the benefits of BE-LIF assisted by intraoperative O-arm total navigation. Methods A total of 44 patients were retrospectively analyzed from August 2020 to June 2021. Perioperative data were collected, including operative time, estimated intraoperative blood loss, postoperative drainage, postoperative hospital stay, radiation dose, and duration of radiation exposure. In addition, clinical outcomes were evaluated using postoperative data, such as the Oswestry Disability Index (ODI), visual analog scale (VAS), modified MacNab criteria, Postoperative complications and fusion rate. Results The non-navigation and navigation groups included 23 and 21 patients, respectively. All the patients were followed up for at least 12 months. No significant differences were noted in the estimated intraoperative blood loss, postoperative drainage, postoperative hospital stay, fusion rate, or perioperative complications between the two groups. The radiation dose was significantly lower in the navigation group than in the non-navigation group. The average total operation time in the navigation group was lower than that in the non-navigation group (P < 0.01). All clinical outcomes showed improvement at different time points postoperatively, with no significant difference noted between the two groups (P > 0.05). Conclusions Compared with the non-navigation approach, O-arm total navigation assistive BE-LIF technology not only has similar clinical results, but also can provide accurate intraoperative guidance and help spinal surgeons achieve accurate decompression. Furthermore, it can reduce radiation exposure to surgeons and operation time, which improve the efficiency and safety of surgery.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Yu Tang
- Correspondence: Yu Tang Yue Zhou
| | - Yue Zhou
- Correspondence: Yu Tang Yue Zhou
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15
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Liu ZQ, Hsieh CT, Hsu WE, Tseng CS, Chang CJ. Two-dimensional C-arm robotic navigation system (i-Navi) in spine surgery: a pilot study. Int J Comput Assist Radiol Surg 2022; 17:2281-2290. [PMID: 36100733 DOI: 10.1007/s11548-022-02751-8] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 09/06/2022] [Indexed: 12/01/2022]
Abstract
PURPOSE Pedicle screws placement is very common procedure in spinal surgery. Robotic assisted surgery has been widely used in this operation. We assessed the accuracy of thoracolumbar spine trans-pedicle screws (TPS) implantation utilizing a noval robotic navigation system (i-Navi robotic navigation system) by planning with two-dimensional (2-D) C-arm. METHODS This study was approved by the Institutional Review Board of the Cathay General Hospital on June 21, 2018 (IRB number: CGH-P 106,092), and written informed consents were obtained from all the patients. There are 18 patients were enrolled in the study. All the patients received the posterior fusion with TPS insertion under the assistant of our robotic navigation system. RESULTS There are 18 patients were included into our study, there are 2 patients were quitted from the study due to the equipment setup was not complete. Other 16 patients completed the entire procedure successfully. There is total 88 pedicle screws were inserted through i-Navi robotic navigation system. There are 79 of 88 screws were graded A, and 9 screws were graded B; no screws were graded C or D. No vascular or nerve injuries were noted after the operations. CONCLUSION We present our i-Navi robotic navigation system, by planning with 2-D C-arm imaging and pre-operative CT scans. According to the results of study, we think it can provide a reliable and easy tool to perform the TPS in thoracic lumbar spine surgery.
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Affiliation(s)
- Zhao-Quan Liu
- Division of Neurosurgery, Department of Surgery, Cathay General Hospital, Taipei City, 106, Taiwan.,Division of Neurosurgery, Department of Surgery, Sijhih Cathay General Hospital, New Taipei City, 221, Taiwan
| | - Cheng-Ta Hsieh
- Division of Neurosurgery, Department of Surgery, Cathay General Hospital, Taipei City, 106, Taiwan.,Division of Neurosurgery, Department of Surgery, Sijhih Cathay General Hospital, New Taipei City, 221, Taiwan.,School of Medicine, National Tsing Hua University, Hsinchu, 300044, Taiwan.,Department of Medicine, School of Medicine, Fu Jen Catholic University, New Taipei City, 242, Taiwan
| | - Wei-En Hsu
- Department of Mechanical Engineering, National Central University, Taoyuan County, Taiwan
| | - Ching-Shiow Tseng
- Department of Mechanical Engineering, National Central University, Taoyuan County, Taiwan
| | - Chih-Ju Chang
- Division of Neurosurgery, Department of Surgery, Cathay General Hospital, Taipei City, 106, Taiwan. .,Division of Neurosurgery, Department of Surgery, Sijhih Cathay General Hospital, New Taipei City, 221, Taiwan. .,School of Medicine, National Tsing Hua University, Hsinchu, 300044, Taiwan. .,Department of Medicine, School of Medicine, Fu Jen Catholic University, New Taipei City, 242, Taiwan.
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16
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La Rocca G, Mazzucchi E, Pignotti F, Nasto LA, Galieri G, Olivi A, De Santis V, Rinaldi P, Pola E, Sabatino G. Intraoperative CT-guided navigation versus fluoroscopy for percutaneous pedicle screw placement in 192 patients: a comparative analysis. J Orthop Traumatol 2022; 23:44. [PMID: 36048284 PMCID: PMC9437178 DOI: 10.1186/s10195-022-00661-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [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: 11/10/2021] [Accepted: 08/03/2022] [Indexed: 11/10/2022] Open
Abstract
Background Percutaneous pedicle screw (PPS) placement is a key step in several minimally invasive spinal surgery (MISS) procedures. Traditional technique for PPS makes use of C-arm fluoroscopy assistance (FA). More recently, newer intraoperative imaging techniques have been developed for PPS, including CT-guided navigation (CTNav). The aim of this study was to compare FA and CTNav techniques for PPS with regard to accuracy, complications, and radiation dosage. Materials and methods A total of 192 patients with degenerative lumbar spondylolisthesis and canal stenosis who underwent MISS posterior fusion ± interbody fusion through transforaminal approach (TLIF) were retrospectively reviewed. Pedicle screws were placed percutaneously using either standard C-arm fluoroscopy guidance (FA group) or CT navigation (CTNav group). Intraoperative effective dose (ED, mSv) was measured. Screw placement accuracy was assessed postoperatively on a CT scan using Gertzbein and Robbins classification (grades A–E). Oswestry disability index (ODI) and visual analog scale (VAS) scores were compared in both groups before and after surgery. Results A total of 101 and 91 procedures were performed with FA (FA group) and CTNav approach (CTNav group), respectively. Median age was 61 years in both groups, and the most commonly treated level was L4–L5. Median ED received from patients was 1.504 mSv (0.494–4.406) in FA technique and 21.130 mSv (10.840–30.390) in CTNav approach (p < 0.001). Percentage of grade A and B screws was significantly higher for the CTNav group (96.4% versus 92%, p < 0.001), whereas there were 16 grade E screws in the FA group and 0 grade E screws in the CTNav group (p < 0.001). A total of seven and five complications were reported in the FA and CTNav group, respectively (p = 0.771). Conclusions CTNav technique increases accuracy of pedicle screw placement compared with FA technique without affecting operative time. Nevertheless, no significant difference was noted in terms of reoperation rate due to screw malpositioning between CTNav and FA techniques. Radiation exposure of patients was significantly higher with CTNav technique. Level of Evidence: Level 3.
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Affiliation(s)
- Giuseppe La Rocca
- Department of Neurosurgery, Mater Olbia Hospital, Olbia, Italy.,Institute of Neurosurgery, IRCCS Fondazione Policlinico Universitario Agostino Gemelli, Catholic University, Rome, Italy.,Neurosurgical Training Center and Brain Research, Mater Olbia Hospital, Olbia, Italy
| | - Edoardo Mazzucchi
- Department of Neurosurgery, Mater Olbia Hospital, Olbia, Italy.,Institute of Neurosurgery, IRCCS Fondazione Policlinico Universitario Agostino Gemelli, Catholic University, Rome, Italy
| | - Fabrizio Pignotti
- Department of Neurosurgery, Mater Olbia Hospital, Olbia, Italy.,Institute of Neurosurgery, IRCCS Fondazione Policlinico Universitario Agostino Gemelli, Catholic University, Rome, Italy
| | - Luigi Aurelio Nasto
- Unit of Orthopedics and Spine Surgery, Primo Policlinico Di Napoli, Università Della Campania Luigi Vanvitelli, Piazza Luigi Miraglia, 2, 80138, Naples, Italy
| | - Gianluca Galieri
- Department of Neurosurgery, Mater Olbia Hospital, Olbia, Italy.,Institute of Neurosurgery, IRCCS Fondazione Policlinico Universitario Agostino Gemelli, Catholic University, Rome, Italy
| | - Alessandro Olivi
- Department of Neurosurgery, Mater Olbia Hospital, Olbia, Italy.,Institute of Neurosurgery, IRCCS Fondazione Policlinico Universitario Agostino Gemelli, Catholic University, Rome, Italy
| | - Vincenzo De Santis
- Institute of Orthopedics, IRCCS Fondazione Policlinico Universitario Agostino Gemelli, Catholic University of Rome, Rome, Italy.,Unit of Orthopedics, Mater Olbia Hospital, Olbia, Italy
| | | | - Enrico Pola
- Unit of Orthopedics and Spine Surgery, Primo Policlinico Di Napoli, Università Della Campania Luigi Vanvitelli, Piazza Luigi Miraglia, 2, 80138, Naples, Italy.
| | - Giovanni Sabatino
- Department of Neurosurgery, Mater Olbia Hospital, Olbia, Italy.,Institute of Neurosurgery, IRCCS Fondazione Policlinico Universitario Agostino Gemelli, Catholic University, Rome, Italy.,Neurosurgical Training Center and Brain Research, Mater Olbia Hospital, Olbia, Italy
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17
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Gubian A, Kausch L, Neumann JO, Kiening K, Ishak B, Maier-Hein K, Unterberg A, Scherer M. CT-Navigated Spinal Instrumentations-Three-Dimensional Evaluation of Screw Placement Accuracy in Relation to a Screw Trajectory Plan. Medicina (Kaunas) 2022; 58. [PMID: 36143877 DOI: 10.3390/medicina58091200] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 08/25/2022] [Accepted: 08/27/2022] [Indexed: 11/17/2022]
Abstract
Background and Objectives: In the literature, spinal navigation and robot-assisted surgery improved screw placement accuracy, but the majority of studies only qualitatively report on screw positioning within the vertebra. We sought to evaluate screw placement accuracy in relation to a preoperative trajectory plan by three-dimensional quantification to elucidate technical benefits of navigation for lumbar pedicle screws. Materials and Methods: In 27 CT-navigated instrumentations for degenerative disease, a dedicated intraoperative 3D-trajectory plan was created for all screws. Final screw positions were defined on postoperative CT. Trajectory plans and final screw positions were co-registered and quantitatively compared computing minimal absolute differences (MAD) of screw head and tip points (mm) and screw axis (degree) in 3D-space, respectively. Differences were evaluated with consideration of the navigation target registration error. Clinical acceptability of screws was evaluated using the Gertzbein−Robbins (GR) classification. Results: Data included 140 screws covering levels L1-S1. While screw placement was clinically acceptable in all cases (GR grade A and B in 112 (80%) and 28 (20%) cases, respectively), implanted screws showed considerable deviation compared to the trajectory plan: Mean axis deviation was 6.3° ± 3.6°, screw head and tip points showed mean MAD of 5.2 ± 2.4 mm and 5.5 ± 2.7 mm, respectively. Deviations significantly exceeded the mean navigation registration error of 0.87 ± 0.22 mm (p < 0.001). Conclusions: Screw placement was clinically acceptable in all screws after navigated placement but nevertheless, considerable deviation in implanted screws was noted compared to the initial trajectory plan. Our data provides a 3D-quantitative benchmark for screw accuracy achievable by CT-navigation in routine spine surgery and suggests a framework for objective comparison of screw outcome after navigated or robot-assisted procedures. Factors contributing to screw deviations should be considered to assure optimal surgical results when applying navigation for spinal instrumentation.
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18
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Nguyen A, Beyer RS, Streetman DR, Brown NJ, Gendreau JL. Letter to the Editor Regarding “Accuracy of Pedicle Screw Placement and Four Other Clinical Outcomes of Robotic Guidance Technique versus Computer-Assisted Navigation in Thoracolumbar Surgery: A Meta-Analysis”. World Neurosurg 2022; 164:474-475. [DOI: 10.1016/j.wneu.2022.05.067] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 05/16/2022] [Indexed: 11/16/2022]
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19
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Beisemann N, Gierse J, Mandelka E, Hassel F, Grützner PA, Franke J, Vetter SY. Comparison of three imaging and navigation systems regarding accuracy of pedicle screw placement in a sawbone model. Sci Rep 2022; 12:12344. [PMID: 35853991 PMCID: PMC9296669 DOI: 10.1038/s41598-022-16709-y] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 07/14/2022] [Indexed: 02/06/2023] Open
Abstract
3D-navigated pedicle screw placement is increasingly performed as the accuracy has been shown to be considerably higher compared to fluoroscopy-guidance. While different imaging and navigation devices can be used, there are few studies comparing these under similar conditions. Thus, the objective of this study was to compare the accuracy of two combinations most used in the literature for spinal navigation and a recently approved combination of imaging device and navigation system. With each combination of imaging system and navigation interface, 160 navigated screws were placed percutaneously in spine levels T11-S1 in ten artificial spine models. 470 screws were included in the final evaluation. Two blinded observers classified screw placement according to the Gertzbein Robbins grading system. Grades A and B were considered acceptable and Grades C-E unacceptable. Weighted kappa was used to calculate reliability between the observers. Mean accuracy was 94.9% (149/157) for iCT/Curve, 97.5% (154/158) for C-arm CBCT/Pulse and 89.0% for CBCT/StealthStation (138/155). The differences between the different combinations were not statistically significant except for the comparison of C-arm CBCT/Pulse and CBCT/StealthStation (p = 0.003). Relevant perforations of the medial pedicle wall were only seen in the CBCT group. Weighted interrater reliability was found to be 0.896 for iCT, 0.424 for C-arm CBCT and 0.709 for CBCT. Under quasi-identical conditions, higher screw accuracy was achieved with the combinations iCT/Curve and C-arm CBCT/Pulse compared with CBCT/StealthStation. However, the exact reasons for the difference in accuracy remain unclear. Weighted interrater reliability for Gertzbein Robbins grading was moderate for C-arm CBCT, substantial for CBCT and almost perfect for iCT.
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Affiliation(s)
- Nils Beisemann
- Research Group Medical Imaging and Navigation in Trauma and Orthopedic Surgery (MINTOS), Berufsgenossenschaftliche Unfallklinik (BG Trauma Center) Ludwigshafen, Ludwig-Guttmann-Strasse 13, 67071, Ludwigshafen, Germany
| | - Jula Gierse
- Research Group Medical Imaging and Navigation in Trauma and Orthopedic Surgery (MINTOS), Berufsgenossenschaftliche Unfallklinik (BG Trauma Center) Ludwigshafen, Ludwig-Guttmann-Strasse 13, 67071, Ludwigshafen, Germany
| | - Eric Mandelka
- Research Group Medical Imaging and Navigation in Trauma and Orthopedic Surgery (MINTOS), Berufsgenossenschaftliche Unfallklinik (BG Trauma Center) Ludwigshafen, Ludwig-Guttmann-Strasse 13, 67071, Ludwigshafen, Germany
| | - Frank Hassel
- Department of Spine Surgery, Loretto Hospital, Mercystrasse 6, 79100, Freiburg im Breisgau, Germany
| | - Paul A Grützner
- Research Group Medical Imaging and Navigation in Trauma and Orthopedic Surgery (MINTOS), Berufsgenossenschaftliche Unfallklinik (BG Trauma Center) Ludwigshafen, Ludwig-Guttmann-Strasse 13, 67071, Ludwigshafen, Germany
| | - Jochen Franke
- Research Group Medical Imaging and Navigation in Trauma and Orthopedic Surgery (MINTOS), Berufsgenossenschaftliche Unfallklinik (BG Trauma Center) Ludwigshafen, Ludwig-Guttmann-Strasse 13, 67071, Ludwigshafen, Germany
| | - Sven Y Vetter
- Research Group Medical Imaging and Navigation in Trauma and Orthopedic Surgery (MINTOS), Berufsgenossenschaftliche Unfallklinik (BG Trauma Center) Ludwigshafen, Ludwig-Guttmann-Strasse 13, 67071, Ludwigshafen, Germany.
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20
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Tabarestani TQ, Sykes D, Murphy KR, Wang TY, Shaffrey CI, Goodwin CR, Horne P, Than KD, Abd-El-Barr MM. Beyond Placement of Pedicle Screws - New Applications for Robotics in Spine Surgery: A Multi-Surgeon, Single-Institution Experience. Front Surg 2022; 9:889906. [PMID: 35784931 PMCID: PMC9243459 DOI: 10.3389/fsurg.2022.889906] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 06/01/2022] [Indexed: 11/13/2022] Open
Abstract
Interest in robotic-assisted spine surgery has grown as surgeon comfort and technology has evolved to maximize benefits of time saving and precision. However, the Food and Drug Administration (FDA) has currently only approved robotics to assist in determining the ideal trajectory for pedicle screw placement after extensive research supporting its efficacy and efficiency. To be considered a durable and effective option, robotics need to expand beyond the indication of just placing pedicle screws. This article aims to illustrate a multi-surgeon, single-institution experience with unique applications of robotic technologies in spine surgery. We will explore accessing Kambin's Triangle in percutaneous transforaminal interbody fusion (percLIF), iliac fixation in metastatic cancer, and sacroiliac (SI) fusions. Each of these topics will be covered in depth with associated background information and subsequent discussion. We show that with proper understanding of its limitations, robots can help surgeons perform difficult surgeries in a safe manner.
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Affiliation(s)
- Troy Q Tabarestani
- Duke University School of Medicine, Duke University Hospital, Durham, Durham, NC
| | - David Sykes
- Duke University School of Medicine, Duke University Hospital, Durham, Durham, NC
| | - Kelly R Murphy
- Department of Neurosurgery, Duke University Hospital, Durham, Durham, NC
| | - Timothy Y Wang
- Department of Neurosurgery, Duke University Hospital, Durham, Durham, NC
| | | | - C Rory Goodwin
- Department of Neurosurgery, Duke University Hospital, Durham, Durham, NC
| | - Phillip Horne
- Department of Orthopedic Surgery, Duke University Hospital, Durham, Durham, NC
| | - Khoi D Than
- Department of Neurosurgery, Duke University Hospital, Durham, Durham, NC
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21
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Schmidt FA, Lekuya HM, Kirnaz S, Hernandez RN, Hussain I, Chang L, Navarro-Ramirez R, Wipplinger C, Rawanduzy C, Härtl R. Novel MIS 3D NAV Single Step Pedicle Screw System (SSPSS): Workflow, Accuracy and Initial Clinical Experience. Global Spine J 2022; 12:1098-1108. [PMID: 33430625 PMCID: PMC9210221 DOI: 10.1177/2192568220976393] [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] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
STUDY DESIGN Prospective case series. OBJECTIVE SSPSS (single step pedicle screw system) was developed for minimally invasive spine surgery. We performed this study to report on safety, workflow, and our initial clinical experience with this novel technique. METHODS The prospective study was conducted on patients who underwent pedicle screw fixation between October 2017 and April 2018 using a novel single step 3D navigated pedicle screw system for MIS. Outcome measurements were obtained from intraoperative computerized tomography. The images were evaluated to determine pedicle wall penetration. We used a grading system to assess the severity of the pedicle wall penetration. Breaches were classified as grade 1 (<2 mm), grade 2 (2-4 mm), or grade 3 (<4 mm),1 and as cranial, caudal, medial, and lateral. RESULTS Our study includes 135 screws in 24 patients. SSPSS eliminated K-wires and multiple steps traditionally necessary for MIS pedicle screw insertion. The median time per screw was 2.45 minutes. 3 screws were corrected intraoperatively. Pedicle wall penetration occurred in 14 screws (10%). Grade 1 breaches occurred in 4 screws (3%) and grade 2 breaches occurred in 10 screws (7%). Lateral breaches were observed more often than medial breaches. The accuracy rate in our study was 90% (Grade 0 breach). No revision surgeries were needed and no complications occurred. CONCLUSIONS Our study suggests that SSPSS could be a safe, accurate, and efficient tool. Our accuracy rate is comparable to that found in the literature.
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Affiliation(s)
- Franziska A. Schmidt
- Department of Neurological Surgery, Weill Cornell Brain and Spine Center, Weill Cornell Medicine, New York Presbyterian Hospital, NY, USA.,Franziska A. Schmidt, Department of Neurological Surgery, Weill Cornell Brain and Spine Center, Weill Cornell Medicine, 525 East 68th Street, Box 99, New York, NY 10065, USA.
| | - Hervé M. Lekuya
- Department of Neurological Surgery, Weill Cornell Brain and Spine Center, Weill Cornell Medicine, New York Presbyterian Hospital, NY, USA
| | - Sertac Kirnaz
- Department of Neurological Surgery, Weill Cornell Brain and Spine Center, Weill Cornell Medicine, New York Presbyterian Hospital, NY, USA
| | - Robert Nick Hernandez
- Department of Neurological Surgery, Weill Cornell Brain and Spine Center, Weill Cornell Medicine, New York Presbyterian Hospital, NY, USA
| | - Ibrahim Hussain
- Department of Neurological Surgery, Weill Cornell Brain and Spine Center, Weill Cornell Medicine, New York Presbyterian Hospital, NY, USA
| | - Louis Chang
- Department of Neurological Surgery, Weill Cornell Brain and Spine Center, Weill Cornell Medicine, New York Presbyterian Hospital, NY, USA
| | - Rodrigo Navarro-Ramirez
- Department of Neurological Surgery, Weill Cornell Brain and Spine Center, Weill Cornell Medicine, New York Presbyterian Hospital, NY, USA
| | - Christoph Wipplinger
- Department of Neurological Surgery, Weill Cornell Brain and Spine Center, Weill Cornell Medicine, New York Presbyterian Hospital, NY, USA
| | - Cameron Rawanduzy
- Department of Neurological Surgery, Weill Cornell Brain and Spine Center, Weill Cornell Medicine, New York Presbyterian Hospital, NY, USA
| | - Roger Härtl
- Department of Neurological Surgery, Weill Cornell Brain and Spine Center, Weill Cornell Medicine, New York Presbyterian Hospital, NY, USA
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22
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Gong J, Huang X, Luo L, Liu H, Wu H, Tan Y, Li C, Tang Y, Zhou Y. Radiation Dose Reduction and Surgical Efficiency Improvement in Endoscopic Transforaminal Lumbar Interbody Fusion Assisted by Intraoperative O-arm Navigation: A Retrospective Observational Study. Neurospine 2022; 19:376-384. [PMID: 35793934 PMCID: PMC9260536 DOI: 10.14245/ns.2143324.662] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 05/10/2022] [Indexed: 01/25/2023] Open
Abstract
Objective: Endoscopic transforaminal lumbar interbody fusion (Endo-TLIF) has gained increasing popularity among spine surgeons. However, with the use of fluoroscopy, intraoperative radiation exposure remains a major concern. Here, we aim to introduce Endo-TLIF assisted by O-arm-based navigation and compare the results between O-arm navigation and fluoroscopy groups.Methods: Sixty-four patients were retrospectively analyzed from May 2019 to September 2020; the nonnavigation group comprised 34 patients, and the navigation group comprised 30 patients. Data on radiation dose, blood loss, postoperative drains, surgery time, complications, and length of hospital stay (LOS) were collected. Clinical outcomes were evaluated from postoperative data such as fusion rate, Oswestry Disability Index (ODI), and visual analogue scale (VAS). Radiation dose and surgery time were selected as primary outcomes; the others were second outcomes.Results: All patients were followed up for at least 12 months. No significant differences were detected in intraoperative hemorrhage, postoperative drains, hospital LOS, or complications between the 2 groups. The radiation dose was significantly lower in the navigation group compared with the nonnavigation group. The time of cannula placement and pedicle screw fixation was significantly reduced in the navigation group. No significant differences were detected between the clinical outcomes in the 2 groups (VAS and ODI scores).Conclusion: The present study demonstrates that O-arm-assisted Endo-TLIF is efficient and safe. Compared with fluoroscopy, O-arm navigation could reduce the radiation exposure and surgical time in Endo-TLIF surgery, with similar clinical outcomes. However, the higher doses exposed to patients remains a negative effect of this technology.
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Affiliation(s)
- Junfeng Gong
- Department of Orthopaedics, Xinqiao Hospital, Army Medical University, Third Military Medical University, Chongqing, China
| | - Xinle Huang
- Department of Orthopaedics, Xinqiao Hospital, Army Medical University, Third Military Medical University, Chongqing, China
| | - Liwen Luo
- Department of Orthopaedics, Xinqiao Hospital, Army Medical University, Third Military Medical University, Chongqing, China
| | - Huan Liu
- Department of Orthopaedics, Xinqiao Hospital, Army Medical University, Third Military Medical University, Chongqing, China
| | - Hao Wu
- Department of Clinical Laboratory, Xinqiao Hospital, Army Medical University, Third Military Medical University, Chongqing, China
| | - Ying Tan
- Department of Orthopaedics, Xinqiao Hospital, Army Medical University, Third Military Medical University, Chongqing, China
| | - Changqing Li
- Department of Orthopaedics, Xinqiao Hospital, Army Medical University, Third Military Medical University, Chongqing, China
| | - Yu Tang
- Department of Orthopaedics, Xinqiao Hospital, Army Medical University, Third Military Medical University, Chongqing, China
- Corresponding Author Yue Zhou Department of Orthopedics, The Second Affiliated Xinqiao Hospital of Army Medical University, Chongqing, China
| | - Yue Zhou
- Department of Orthopaedics, Xinqiao Hospital, Army Medical University, Third Military Medical University, Chongqing, China
- Corresponding Author Yue Zhou Department of Orthopedics, The Second Affiliated Xinqiao Hospital of Army Medical University, Chongqing, China
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Wei FL, Gao QY, Heng W, Zhu KL, Yang F, Du RM, Zhou CP, Qian JX, Yan XD. Association of robot-assisted techniques with the accuracy rates of pedicle screw placement: A network pooling analysis. EClinicalMedicine 2022; 48:101421. [PMID: 35706496 PMCID: PMC9193845 DOI: 10.1016/j.eclinm.2022.101421] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [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: 02/23/2022] [Revised: 04/07/2022] [Accepted: 04/12/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Traditional paired meta-analyses have yielded inconsistent results for the safety and effectiveness of robotic-assisted pedicle screw placement due to the high heterogeneity within studies. This study evaluated the clinical effectiveness and safety of robotic-assisted pedicle screw placement. METHODS The Embase, PubMed, and Cochrane Library databases were searched with no language limitations from inception to Jan 4, 2022. Odds ratio (OR), mean difference (MD), and 95% confidence interval (CI) were used to report results. The main outcomes were accuracy of pedicle screw placement, proximal facet joint violation, and complications. The study protocol was published in PROSPERO (CRD42022301417). FINDINGS 26 trials including 2046 participants evaluating robotic-assisted pedicle screw placement were included in this study. Our pooled results showed that Renaissance (OR 2.86; [95% CI 1.79 to 4.57]) and TiRobot (OR 3.10; [95% CI 2.19 to 4.40]) yielded higher rates of perfect pedicle screw insertion (Grades A) than the conventional freehand technique. Renaissance (OR 2.82; [95% CI 1.51 to 5.25]) and TiRobot (OR 4.58; [95% CI 2.65 to 7.89]) yielded higher rates of clinically acceptable pedicle screw insertion (Grades A+B). However, ROSA, SpineAssist, and Orthobot were not associated with higher perfect pedicle screw insertion and clinically acceptable pedicle screw insertion rates. Robot-assisted techniques were associated with low rates of proximal facet joint violation (OR 0.18; [95% CI 0.10 to 0.32]; I2:9.55%) and overall complications (OR 0.38; [95% CI 0.23 to 0.63]; I2:27.05%). Moreover, robot-assisted techniques were associated with lower radiation doses (MD -14.38; [95% CI -25.62 to -3.13]; I2:100.00%). INTERPRETATION Our findings suggest that only Renaissance and TiRobot systems are associated with high accuracy rates of pedicle screw placement. Robotic-assisted techniques hold great promise in spinal surgery due to their safety and effectiveness. FUNDING This work was supported by grants from the National Natural Science Foundation of China (No. 81871818), Tangdu Hospital Seed Talent Program (Fei-Long Wei) and Natural Science Basic Research Plan in Shaanxi Province of China (No.2019JM-265).
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Abstract
Concerns regarding traditional techniques led to the development of robotic systems to facilitate the safe and accurate placement of pedicle screws. The Mazor Spine Assist was the first robotic spine surgery (RSS) platform to receive US Food and Drug Administration approval in 2004. Since then, there has been a steady increase in the application of RSS with several additional iterations of the Mazor platform and other competing systems receiving approval. As the indications, potential benefits, and utilization of RSS continue to expand, the question naturally arises as to whether RSS will eventually become the standard of care for spine surgery. In this article, we review the available evidence and experience with RSS and discuss the potential for RSS to become the medical standard of care.
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Affiliation(s)
| | | | - Isador H. Lieberman
- Texas Back Institute, Plano, Texas, USA, Isador H. Lieberman, Scoliosis and Spine Tumor Center, 6020 W Parker Rd, 200, Plano, TX 75093, USA;
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Schroeder JE, Houri S, Weil YA, Liebergall M, Moshioff R, Kaplan L. When giants talk; robotic dialog during thoracolumbar and sacral surgery. BMC Surg 2022; 22:125. [PMID: 35365145 PMCID: PMC8973609 DOI: 10.1186/s12893-022-01546-7] [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: 05/31/2021] [Accepted: 03/06/2022] [Indexed: 11/29/2022] Open
Abstract
Background Spinal trauma patients treated in a specialized hybrid operating room (OR) using two robotic systems communicating during surgery. Methods Retrospective review of patients with thoracolumbar or sacral fractures who underwent surgical fixation between Jan 2017 to Jan 2020 with robotic-guided percutaneous pedicle screw insertion in the specialized hybrid OR with Robotic flat panel 3D C-arm (ArtisZeego) for intraoperative interventional imaging connected with the robotic-guidance platform Renaissance (Mazor Robotics). Results Twenty eight surgeries were performed in 27 patients; 23 with traumatic spinal fractures, 4 with multi-level thoracolumbar compression fractures due to severe osteoporosis. Average patient age 49 (range 12–86). Average radiation exposure time 40 s (range 12–114 s). Average radiation exposure dose 11,584 ± SD uGym2 (range 4454–58,959). Lumber levels operated on were between T5 and S2 (shortest three vertebras and longest eight vertebras). 235 (range 5–11) trajectories were performed. All trajectories were accurate in all cases percutaneous pedicle screws placement was correct, without breach noted at the pedicle in any of the cases. No major complications reported. In all cases, follow-up X-rays showed adequate fracture reduction with restoration. Conclusions Merging of surgical robotics technologies increases patient safety and surgeon and patient confidence in percutaneous spine traumatic procedures.
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Affiliation(s)
- Josh E Schroeder
- Orthopedic Complex, Hadasash Hebrew University Medical Center, Kiryat Hadassah, POB 12000, Jerusalem, Israel.
| | - Saadit Houri
- Orthopedic Complex, Hadasash Hebrew University Medical Center, Kiryat Hadassah, POB 12000, Jerusalem, Israel
| | - Yoram A Weil
- Orthopedic Complex, Hadasash Hebrew University Medical Center, Kiryat Hadassah, POB 12000, Jerusalem, Israel
| | - Meir Liebergall
- Orthopedic Complex, Hadasash Hebrew University Medical Center, Kiryat Hadassah, POB 12000, Jerusalem, Israel
| | - Rami Moshioff
- Orthopedic Complex, Hadasash Hebrew University Medical Center, Kiryat Hadassah, POB 12000, Jerusalem, Israel
| | - Leon Kaplan
- Orthopedic Complex, Hadasash Hebrew University Medical Center, Kiryat Hadassah, POB 12000, Jerusalem, Israel
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Tu P, Qin C, Guo Y, Li D, Lungu AJ, Wang H, Chen X. Ultrasound image guided and mixed reality-based surgical system with real-time soft tissue deformation computing for robotic cervical pedicle screw placement. IEEE Trans Biomed Eng 2022; 69:2593-2603. [PMID: 35157575 DOI: 10.1109/tbme.2022.3150952] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Cervical pedicle screw (CPS) placement surgery remains technically demanding due to the complicated anatomy with neurovascular structures. State-of-the-art surgical navigation or robotic systems still suffer from the problem of hand-eye coordination and soft tissue deformation. In this study, we aim at tracking the intraoperative soft tissue deformation and constructing a virtual physical fusion surgical scene, and integrating them into the robotic system for CPS placement surgery. Firstly, we propose a real-time deformation computation method based on the prior shape model and intraoperative partial information acquired from ultrasound images. According to the generated posterior shape, the structure representation of deformed target tissue gets updated continuously. Secondly, a hand tremble compensation method is proposed to improve the accuracy and robustness of the virtual-physical calibration procedure, and a mixed reality based surgical scene is further constructed for CPS placement surgery. Thirdly, we integrate the soft tissue deformation method and virtual-physical fusion method into our previously proposed surgical robotic system, and the surgical workflow for CPS placement surgery is introduced. We conducted phantom and animal experiments to evaluate the feasibility and accuracy of the proposed system. Our system yielded a mean surface distance error of 1.52 ± 0.43 mm for soft tissue deformation computing, and an average distance deviation of 1.04 ± 0.27 mm for CPS placement. Results demonstrated that our system involves tremendous clinical application potential. Our proposed system promotes the efficiency and safety of the CPS placement surgery.
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Otomo N, Funao H, Yamanouchi K, Isogai N, Ishii K. Computed Tomography-Based Navigation System in Current Spine Surgery: A Narrative Review. Medicina (B Aires) 2022; 58:241. [PMID: 35208565 PMCID: PMC8880580 DOI: 10.3390/medicina58020241] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/28/2022] [Accepted: 02/03/2022] [Indexed: 11/26/2022] Open
Abstract
The number of spine surgeries using instrumentation has been increasing with recent advances in surgical techniques and spinal implants. Navigation systems have been attracting attention since the 1990s in order to perform spine surgeries safely and effectively, and they enable us to perform complex spine surgeries that have been difficult to perform in the past. Navigation systems are also contributing to the improvement of minimally invasive spine stabilization (MISt) surgery, which is becoming popular due to aging populations. Conventional navigation systems were based on reconstructions obtained by preoperative computed tomography (CT) images and did not always accurately reproduce the intraoperative patient positioning, which could lead to problems involving inaccurate positional information and time loss associated with registration. Since 2006, an intraoperative CT-based navigation system has been introduced as a solution to these problems, and it is now becoming the mainstay of navigated spine surgery. Here, we highlighted the use of intraoperative CT-based navigation systems in current spine surgery, as well as future issues and prospects.
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Yurube T, Kanda Y, Ito M, Takeoka Y, Suzuki T, Uno K, Kuroda R, Kakutani K. Improved Accuracy and Safety of Pedicle Screw Placement by Using a Probe with an Electrical Conductivity-Measuring Device during Severe Syndromic and Neuromuscular Scoliosis Spine Surgery. J Clin Med 2022; 11:419. [PMID: 35054113 DOI: 10.3390/jcm11020419] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 01/05/2022] [Accepted: 01/11/2022] [Indexed: 02/01/2023] Open
Abstract
An electrical conductivity-measuring device (ECD) has recently been developed to support pedicle screw placement. However, no evidence exists regarding its efficacy for syndromic/neuromuscular scoliosis with extremely difficult screwing. We retrospectively reviewed 2010-2016 medical records of 21 consecutive syndromic/neuromuscular scoliosis patients undergoing free-hand segmental fixation surgery at our institution and compared the pedicle screw insertion accuracy and safety between 10 with a conventional non-ECD probe (2010-2013) and 11 with an ECD probe (2014-2016). We analyzed preoperative pedicle shape and postoperative screw placement in computed tomography. There were no significant differences between ECD and non-ECD groups in demographic, clinical, and treatment characteristics including scoliosis severity and pedicle diameter. The abandonment rate due to liquorrhea or perforation was lower in ECD (12.3%) than in non-ECD (26.7%) (p < 0.01). Acceptable insertion without perforation or <2-mm lateral/cranial position was more frequent in ECD (67.1%) than in non-ECD (56.9%) (p = 0.02). Critical ≥5-mm medial/caudal malposition was not seen in ECD (0.0%) but in non-ECD (2.4%) (p = 0.02). The perforation distance was shorter in ECD (2.2 ± 1.1 mm) than in non-ECD (2.6 ± 1.7 mm) (p = 0.01). Results involve small sample size, selection, performance, and learning curve biases; nevertheless, ECD could be useful for more accurate and safer pedicle screw placement in severe syndromic/neuromuscular scoliosis.
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Shuman WH, Valliani AA, Chapman EK, Martini ML, Neifert SN, Baron RB, Schupper AJ, Steinberger JM, Caridi JM. Intraoperative Navigation in Spine Surgery: Effects On Complications and Reoperations. World Neurosurg 2022; 160:e404-e411. [PMID: 35033690 DOI: 10.1016/j.wneu.2022.01.035] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [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: 09/11/2021] [Revised: 01/08/2022] [Accepted: 01/08/2022] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Intraoperative navigation during spine surgery improves pedicle screw placement accuracy. However, limited studies have correlated navigation with clinical factors including operative time and safety. This study compares complications and reoperations between surgeries with and without navigation. METHODS Posterior cervical and lumbar fusions and deformity surgeries from 2011-2018 were queried from the NSQIP database and divided by navigation use. Patients aged >89, deformity patients aged <25, and patients undergoing surgery for tumors, fractures, infections, or non-elective indications were excluded. Demographics and perioperative factors were compared with univariate analysis. Outcomes were compared with multivariable logistic regression adjusting for age, sex, BMI, ASA class, surgical region, and multiple levels. Outcomes were also compared stratifying by revision status. RESULTS Navigated surgery patients had higher ASA status (p<0.0001), more multiple-level surgeries (p<0.0001), and longer operations (p<0.0001). Adjusted analysis revealed navigated lumbar surgeries had lower odds of complications (OR=0.82, 95%CI=0.77-0.90, p<0.0001), blood transfusion (OR=0.79, 95%CI=0.72-0.87, p<0.0001), and wound debridement/drainage (OR=0.66, 95%CI=0.44-0.97, p=0.04) compared to non-navigated procedures. Navigated cervical fusions had increased odds of transfusion (OR=1.53, 95%CI=1.06-2.23, p=0.02). Navigated primary fusions had decreased odds of complications (OR=0.91, 95%CI=0.85-0.98, p=0.01); no difference was found in revisions (OR=0.89, 95%CI=0.69-1.14, p=0.34). CONCLUSIONS Navigated surgery patients experienced longer operations due to a combination of time using navigation, more multi-level procedures and larger comorbidity burden, without differences in infections. There were fewer complications and wound washouts in navigated lumbar surgeries due to a higher percentage of minimally invasive cases. Co-utilization of navigation and minimally invasive surgery may benefit properly indicated patients.
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Affiliation(s)
- William H Shuman
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, New York, NY, United States.
| | - Aly A Valliani
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, New York, NY, United States
| | - Emily K Chapman
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, New York, NY, United States
| | - Michael L Martini
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, New York, NY, United States
| | - Sean N Neifert
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, New York, NY, United States
| | - Rebecca B Baron
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, New York, NY, United States
| | - Alexander J Schupper
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, New York, NY, United States
| | - Jeremy M Steinberger
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, New York, NY, United States
| | - John M Caridi
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, New York, NY, United States
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Khan A, Soliman MAR, Lee NJ, Waqas M, Lombardi JM, Boddapati V, Levy LC, Mao JZ, Park PJ, Mathew J, Lehman RA, Mullin JP, Pollina J. CT-to-fluoroscopy registration versus scan-and-plan registration for robot-assisted insertion of lumbar pedicle screws. Neurosurg Focus 2022; 52:E8. [PMID: 34973678 DOI: 10.3171/2021.10.focus21506] [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] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 10/13/2021] [Indexed: 01/02/2023]
Abstract
OBJECTIVE Pedicle screw insertion for stabilization after lumbar fusion surgery is commonly performed by spine surgeons. With the advent of navigation technology, the accuracy of pedicle screw insertion has increased. Robotic guidance has revolutionized the placement of pedicle screws with 2 distinct radiographic registration methods, the scan-and-plan method and CT-to-fluoroscopy method. In this study, the authors aimed to compare the accuracy and safety of these methods. METHODS A retrospective chart review was conducted at 2 centers to obtain operative data for consecutive patients who underwent robot-assisted lumbar pedicle screw placement. The newest robotic platform (Mazor X Robotic System) was used in all cases. One center used the scan-and-plan registration method, and the other used CT-to-fluoroscopy for registration. Screw accuracy was determined by applying the Gertzbein-Robbins scale. Fluoroscopic exposure times were collected from radiology reports. RESULTS Overall, 268 patients underwent pedicle screw insertion, 126 patients with scan-and-plan registration and 142 with CT-to-fluoroscopy registration. In the scan-and-plan cohort, 450 screws were inserted across 266 spinal levels (mean 1.7 ± 1.1 screws/level), with 446 (99.1%) screws classified as Gertzbein-Robbins grade A (within the pedicle) and 4 (0.9%) as grade B (< 2-mm deviation). In the CT-to-fluoroscopy cohort, 574 screws were inserted across 280 lumbar spinal levels (mean 2.05 ± 1.7 screws/ level), with 563 (98.1%) grade A screws and 11 (1.9%) grade B (p = 0.17). The scan-and-plan cohort had nonsignificantly less fluoroscopic exposure per screw than the CT-to-fluoroscopy cohort (12 ± 13 seconds vs 11.1 ± 7 seconds, p = 0.3). CONCLUSIONS Both scan-and-plan registration and CT-to-fluoroscopy registration methods were safe, accurate, and had similar fluoroscopy time exposure overall.
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Affiliation(s)
- Asham Khan
- 1Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo.,2Department of Neurosurgery, Buffalo General Medical Center, Kaleida Health, Buffalo, New York
| | - Mohamed A R Soliman
- 1Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo.,2Department of Neurosurgery, Buffalo General Medical Center, Kaleida Health, Buffalo, New York.,3Department of Neurosurgery, Cairo University, Cairo, Egypt; and
| | - Nathan J Lee
- 4Department of Orthopedic Surgery, Columbia University Medical Center, The Och Spine Hospital at NewYork-Presbyterian, New York, New York
| | - Muhammad Waqas
- 1Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo.,2Department of Neurosurgery, Buffalo General Medical Center, Kaleida Health, Buffalo, New York
| | - Joseph M Lombardi
- 4Department of Orthopedic Surgery, Columbia University Medical Center, The Och Spine Hospital at NewYork-Presbyterian, New York, New York
| | - Venkat Boddapati
- 4Department of Orthopedic Surgery, Columbia University Medical Center, The Och Spine Hospital at NewYork-Presbyterian, New York, New York
| | - Lauren C Levy
- 2Department of Neurosurgery, Buffalo General Medical Center, Kaleida Health, Buffalo, New York
| | - Jennifer Z Mao
- 1Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo.,2Department of Neurosurgery, Buffalo General Medical Center, Kaleida Health, Buffalo, New York
| | - Paul J Park
- 4Department of Orthopedic Surgery, Columbia University Medical Center, The Och Spine Hospital at NewYork-Presbyterian, New York, New York
| | - Justin Mathew
- 4Department of Orthopedic Surgery, Columbia University Medical Center, The Och Spine Hospital at NewYork-Presbyterian, New York, New York
| | - Ronald A Lehman
- 4Department of Orthopedic Surgery, Columbia University Medical Center, The Och Spine Hospital at NewYork-Presbyterian, New York, New York
| | - Jeffrey P Mullin
- 1Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo.,2Department of Neurosurgery, Buffalo General Medical Center, Kaleida Health, Buffalo, New York
| | - John Pollina
- 1Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo.,2Department of Neurosurgery, Buffalo General Medical Center, Kaleida Health, Buffalo, New York
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Sielatycki JA, Mitchell K, Leung E, Lehman RA. State of the art review of new technologies in spine deformity surgery-robotics and navigation. Spine Deform 2022; 10:5-17. [PMID: 34487345 DOI: 10.1007/s43390-021-00403-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 08/14/2021] [Indexed: 12/24/2022]
Abstract
STUDY DESIGN/METHODS Review article. OBJECTIVES The goal of this article is to review the available evidence for computerized navigation and robotics as an accuracy improvement tool for spinal deformity surgery, as well as to consider potential complications, impact on clinical outcomes, radiation exposure, and costs. Pedicle screw and rod construct are widely utilized for posterior spinal fixation in spinal deformity correction. Freehand placement of pedicle screws has long been utilized, although there is variable potential for inaccuracy depending on surgeon skill and experience. Malpositioned pedicle screws may have significant clinical implications ranging from nerve root irritation, inadequate fixation, CSF leak, perforation of the great vessels, or spinal cord damage. Computer-based navigation and robotics systems were developed to improve pedicle screw insertion accuracy and consistency, and decrease the risk of malpositioned pedicle fixation. The available evidence suggests that computer-based navigation and robotic-assisted guidance systems for pedicle cannulation are at least equivalent, and in several reports superior, to freehand techniques in terms of accuracy. CT and robotic navigation systems do appear to decrease radiation exposure to the operative team in some reports. Published reports do indicate longer operative times with use of robotic navigation compared with traditional freehand techniques for pedicle screw placement. To date, there is no conclusive evidence that use of CT or robotic navigation has any measurable impact on patient outcomes or overall complication reduction. There are theoretical advantages with robotic and CT navigation in terms of both speed and accuracy for severe spinal deformity or complex revision cases, however, there is a need for studies to investigate this technology in these specific cases. There is no evidence to date demonstrating the cost effectiveness of CT or robotic navigation as compared with traditional pedicle cannulation techniques. CONCLUSIONS The review of available evidence suggests that computer-based navigation and robotic-assisted guidance systems for pedicle cannulation are at least equivalent, and in several reports superior, to freehand techniques in terms of radiographic accuracy. There is no current clinical evidence that the use of navigation or robotic techniques leads to improved patient outcomes or decreased overall complications or reoperation rates, and the use of these systems may substantially increase surgical costs. LEVEL OF EVIDENCE V.
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Nadirov N, Vissarianov S. A Comparative Study of Surgical Correction of Idiopathic Scoliosis With Spinal Transpedicular Metal Structures in Children. Front Pediatr 2022; 10:871117. [PMID: 35652059 PMCID: PMC9149250 DOI: 10.3389/fped.2022.871117] [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: 02/07/2022] [Accepted: 04/18/2022] [Indexed: 11/13/2022] Open
Abstract
A comparative study of surgical correction of idiopathic thoracic scoliosis using transpedicular spinal systems in children was performed. The study showed that using the transpedicular supporting elements along the entire length of the deformation (concave and convex sides) using the VCM (vertebral column manipulation) system, the correction was significantly better (p ≤ 0.05) than for the patients for whom the screws were not installed over two or more vertebrae from the concave side of the curvature, regardless of the magnitude of the spinal deformity. The kyphosis and lordosis were completely restored to their physiological values in all groups of patients.
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Affiliation(s)
- Nurbek Nadirov
- Mother and Child Health Center, Department of Orthopedics, University Medical Center, Nur-Sultan, Kazakhstan
| | - Sergey Vissarianov
- H.Turner National Medical Research Center for Children's Orthopedics and Trauma Surgery of the Ministry of Health of the Russian Federation, Saint Petersburg, Russia
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Hussein A, Ibrahim H, Mashaly H, Hefny S, El Gayar A. Assessment of the outcome of percutaneous pedicle screws in management of degenerative and traumatic dorsal and lumbar pathologies. Egypt J Neurol Psychiatry Neurosurg 2021. [DOI: 10.1186/s41983-021-00305-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Percutaneous pedicle screw technique is relatively a recent technique that evolved the concept of posterior spinal instrumentation, utilizing familiar fluoroscopic landmarks to guide the procedure of screws insertion, which despite being technically demanding, it avoids the Musculo-ligamentous damage associated with the conventional posterior technique.
Aim of the work
This study aims to report our experience in managing traumatic and degenerative spine pathologies by the minimally invasive percutaneous technique and assessing its radiological and functional outcome.
Materials and methods
A prospective observational study that included the analysis of the functional, operative, biochemical, and radiological outcomes of 20 patients who underwent uniplanar fluoroscopic-guided dorsal and/or lumbar percutaneous pedicle screw fixation procedures with or without fusion using the sextant, longitude, and Spineart system and any reported complications between January 2018 and December 2019.
Results
The clinical and radiological analysis of 100 percutaneous pedicle screws in degenerative (n:11) and traumatic (n:9) dorsal and/or lumbar cases revealed that the biomechanical stabilizing characteristics are comparable to the conventional posterior approach with the added benefits of the paraspinal muscle-sparing. Satisfactory functional outcome represented in the improvement of the postoperative back pain visual analog score and Oswestry Disability Index Score with acceptable morbidity and complications rate was noticed.
Conclusions
Percutanous pedicle screw fixation is a landmark in the evolution of the minimally invasive spine surgery which can be a safe alternative to the conventional posterior muscle stripping technique with a comparable functional and radiological outcome and good biomechanical profile and an acceptable morbidity rate.
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Flynn SC, Eli IM, Ghogawala Z, Yew AY. Minimally Invasive Surgery for Spinal Metastasis: A Review. World Neurosurg 2021; 159:e32-e39. [PMID: 34861449 DOI: 10.1016/j.wneu.2021.11.097] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 09/02/2021] [Revised: 11/22/2021] [Accepted: 11/23/2021] [Indexed: 12/31/2022]
Abstract
OBJECTIVE Minimally invasive surgery (MIS) techniques have advanced the treatment of metastatic diseases to the spine. The objective of this review is to describe clinical outcomes, benefits, and complications of these techniques. METHODS All relevant clinical studies describing the role of MIS, computer-assisted navigation (CAN), robot-assisted (RA) procedures, and laser interstitial thermal therapy (LITT) in the treatment of metastatic spine diseases were identified from PubMed, MEDLINE, and relevant article bibliographies. RESULTS For MIS articles, we filtered 1480 results and identified 26 studies. For CAN, we searched 464 articles to identify 18 articles for review. For RA, we searched 321 results to identify 7 studies for review. For LITT, we identified 21 articles for review. CONCLUSIONS MIS for the treatment of spine metastasis has significant potential benefits in reducing surgical site infections, hospital stay, and blood loss without compromising instrument accuracy or overall outcomes. Overall, MIS and its adjuncts have the potential to reduce the risks involved in the treatment of patients with metastatic disease to the spinal column without compromising the benefits of decompression and stabilization of the spine.
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Affiliation(s)
- Scott C Flynn
- Tufts University School of Medicine, Boston, Massachusetts, USA
| | - Ilyas M Eli
- Department of Neurosurgery, Lahey Clinic Medical Center, Burlington, Massachusetts, USA; Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, Utah, USA
| | - Zoher Ghogawala
- Department of Neurosurgery, Lahey Clinic Medical Center, Burlington, Massachusetts, USA
| | - Andrew Y Yew
- Department of Neurosurgery, Lahey Clinic Medical Center, Burlington, Massachusetts, USA.
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Dalton T, Sykes D, Wang TY, Donnelly D, Than KD, Karikari IO, Goodwin CR, Gupta DK, Wiggins WF, Abd-El-Barr MM. Robotic-Assisted Trajectory Into Kambin's Triangle During Percutaneous Transforaminal Lumbar Interbody Fusion-Initial Case Series Investigating Safety and Efficacy. Oper Neurosurg (Hagerstown) 2021; 21:400-408. [PMID: 34624892 DOI: 10.1093/ons/opab325] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [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: 02/22/2021] [Accepted: 07/18/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Minimally invasive spine surgery (MISS) has the potential to further advance with the use of robot-assisted (RA) techniques. While RA pedicle screw placement has been extensively investigated, there is a lack of literature on the use of the robot for other tasks, such as accessing Kambin's triangle in percutaneous lumbar interbody fusion (percLIF). OBJECTIVE To characterize the surgical feasibility and preliminary outcomes of an initial case series of 10 patients receiving percLIF with RA cage placement via Kambin's triangle. METHODS We performed a single-center, retrospective review of patients undergoing RA percLIF using robot-guided trajectory to access Kambin's triangle for cage placement. Patients undergoing RA percLIF were eligible for enrollment. Baseline health and demographic information in addition to peri- and postoperative data was collected. The dimensions of each patient's Kambin's triangle were measured. RESULTS Ten patients and 11 levels with spondylolisthesis were retrospectively reviewed. All patients successfully underwent the planned procedure without perioperative complications. Four patients underwent their procedure with awake anesthesia. The average dimension of Kambin's triangle was 66.3 m2. With the exception of 1 patient who stayed in the hospital for 7 d, the average length of stay was 1.2 d, with 2 patients discharged the day of surgery. No patients suffered postoperative motor or sensory deficits. Spinopelvic parameters and anterior and posterior disc heights were improved with surgery. CONCLUSION As MISS continues to evolve, further exploration of robot-guided surgical practice, such as our technique, will lead to creative solutions to challenging anatomical variation and overall improved patient care.
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Affiliation(s)
- Tara Dalton
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - David Sykes
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Timothy Y Wang
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Dustin Donnelly
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Khoi D Than
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Isaac O Karikari
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - C Rory Goodwin
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Dhanesh K Gupta
- Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina, USA
| | - Walter F Wiggins
- Department of Radiology, Duke University Medical Center, Durham, North Carolina, USA
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Mahmoud A, Shanmuganathan K, Rocos B, Sedra F, Montgomery A, Aftab S. Cervical Spine Pedicle Screw Accuracy in Fluoroscopic, Navigated and Template Guided Systems-A Systematic Review. Tomography 2021; 7:614-22. [PMID: 34698301 DOI: 10.3390/tomography7040052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Revised: 10/07/2021] [Accepted: 10/18/2021] [Indexed: 11/17/2022] Open
Abstract
Background: Pedicle screws provide excellent fixation for a wide range of indications. However, their adoption in the cervical spine has been slower than in the thoracic and lumbar spine, which is largely due to the smaller pedicle sizes and the proximity to the neurovascular structures in the neck. In recent years, technology has been developed to improve the accuracy and thereby the safety of cervical pedicle screw placement over traditional fluoroscopic techniques, including intraoperative 3D navigation, computer-assisted Systems and 3D template moulds. We have performed a systematic review into the accuracy rates of the various systems. Methods: The PubMed and Cochrane Library databases were searched for eligible papers; 9 valid papers involving 1427 screws were found. Results: fluoroscopic methods achieved an 80.6% accuracy and navigation methods produced 91.4% and 96.7% accuracy for templates. Conclusion: Navigation methods are significantly more accurate than fluoroscopy, they reduce radiation exposure to the surgical team, and improvements in technology are speeding up operating times. Significantly superior results for templates over fluoroscopy and navigation are complemented by reduced radiation exposure to patient and surgeon; however, the technology requires a more invasive approach, prolonged pre-operative planning and the development of an infrastructure to allow for their rapid production and delivery. We affirm the superiority of navigation over other methods for providing the most accurate and the safest cervical pedicle screw instrumentation, as it is more accurate than fluoroscopy and lacks the limitations of templates.
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Lee NJ, Zuckerman SL, Buchanan IA, Boddapati V, Mathew J, Leung E, Park PJ, Pham MH, Buchholz AL, Khan A, Pollina J, Mullin JP, Jazini E, Haines C, Schuler TC, Good CR, Lombardi JM, Lehman RA. Is there a difference between navigated and non-navigated robot cohorts in robot-assisted spine surgery? A multicenter, propensity-matched analysis of 2,800 screws and 372 patients. Spine J 2021; 21:1504-1512. [PMID: 34022461 DOI: 10.1016/j.spinee.2021.05.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [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: 02/19/2021] [Revised: 03/23/2021] [Accepted: 05/12/2021] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT Robot-assisted spine surgery continues to rapidly develop as evidenced by the growing literature in recent years. In addition to demonstrating excellent pedicle screw accuracy, early studies have explored the impact of robot-assisted spine surgery on reducing radiation time, length of hospital stay, operative time, and perioperative complications in comparison to conventional freehand technique. Recently, the Mazor X Stealth Edition was introduced in 2018. This robotic system integrates Medtronic's Stealth navigation technology into the Mazor X platform, which was introduced in 2016. It is unclear what the impact of these advancements have made on clinical outcomes. PURPOSE To compare the outcomes and complications between the most recent iterations of the Mazor Robot systems: Mazor X and Mazor X Stealth Edition. STUDY DESIGN Multicenter cohort PATIENT SAMPLE: Among four different institutions, we included adult (≥18 years old) patients who underwent robot-assisted spine surgery with either the Mazor X (non-navigated robot) or Stealth (navigated robot) platforms. OUTCOME MEASURES Primary outcomes included robot time per screw, fluoroscopic radiation time, screw accuracy, robot abandonment, and clinical outcomes with a minimum 90 day follow up. METHODS A one-to-one propensity-score matching algorithm based on perioperative factors (e.g. demographics, comorbidities, primary diagnosis, open vs. percutaneous instrumentation, prior spine surgery, instrumented levels, pelvic fixation, interbody fusion, number of planned robot screws) was employed to control for the potential selection bias between the two robotic systems. Chi-square/fisher exact test and t-test/ANOVA were used for categorical and continuous variables, respectively. RESULTS From a total of 646 patients, a total of 372 adult patients were included in this study (X: 186, Stealth: 186) after propensity score matching. The mean number of instrumented levels was 4.3. The mean number of planned robot screws was 7.8. Similar total operative time and robot time per screw occurred between cohorts (p>0.05). However, Stealth achieved significantly shorter fluoroscopic radiation time per screw (Stealth: 7.2 seconds vs. X: 10.4 seconds, p<.001) than X. The screw accuracy for both robots was excellent (Stealth: 99.6% vs. X: 99.1%, p=0.120). In addition, Stealth achieved a significantly lower robot abandonment rate (Stealth: 0% vs. X: 2.2%, p=0.044). Furthermore, a lower blood transfusion rate was observed for Stealth than X (Stealth: 4.3% vs. X: 10.8%, p=0.018). Non-robot related complications such as dura tear, motor/sensory deficits, return to the operating room during same admission, and length of stay was similar between robots (p>0.05). The 90-day complication rates were low and similar between robot cohorts (Stealth: 5.4% vs. X: 3.8%, p=0.456). CONCLUSION In this multicenter study, both robot systems achieved excellent screw accuracy and low robot time per screw. However, using Stealth led to significantly less fluoroscopic radiation time, lower robot abandonment rates, and reduced blood transfusion rates than Mazor X. Other factors including length of stay, and 90-day complications were similar.
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Affiliation(s)
- Nathan J Lee
- Department of Orthopaedics, Columbia University Medical Center, The Och Spine Hospital at New York-Presbyterian, New York, NY, USA.
| | - Scott L Zuckerman
- Department of Orthopaedics, Columbia University Medical Center, The Och Spine Hospital at New York-Presbyterian, New York, NY, USA
| | - Ian A Buchanan
- Department of Orthopaedics, Columbia University Medical Center, The Och Spine Hospital at New York-Presbyterian, New York, NY, USA
| | - Venkat Boddapati
- Department of Orthopaedics, Columbia University Medical Center, The Och Spine Hospital at New York-Presbyterian, New York, NY, USA
| | - Justin Mathew
- Department of Orthopaedics, Columbia University Medical Center, The Och Spine Hospital at New York-Presbyterian, New York, NY, USA
| | - Eric Leung
- Department of Orthopaedics, Columbia University Medical Center, The Och Spine Hospital at New York-Presbyterian, New York, NY, USA
| | - Paul J Park
- Department of Orthopaedics, Columbia University Medical Center, The Och Spine Hospital at New York-Presbyterian, New York, NY, USA
| | - Martin H Pham
- Department of Neurosurgery, University of San Diego Health, Sand Diego, CA, USA
| | - Avery L Buchholz
- Department of Neurosurgery, University of Virginia Health System, Charlottesville, VA, USA
| | - Asham Khan
- Department of Neurosurgery, State University of New York, Buffalo, NY, USA
| | - John Pollina
- Department of Neurosurgery, State University of New York, Buffalo, NY, USA
| | - Jeffrey P Mullin
- Department of Neurosurgery, State University of New York, Buffalo, NY, USA
| | - Ehsan Jazini
- Department of Orthopaedics, Virginia Spine Institute, Reston, VA, USA
| | - Colin Haines
- Department of Orthopaedics, Virginia Spine Institute, Reston, VA, USA
| | - Thomas C Schuler
- Department of Orthopaedics, Virginia Spine Institute, Reston, VA, USA
| | | | - Joseph M Lombardi
- Department of Orthopaedics, Columbia University Medical Center, The Och Spine Hospital at New York-Presbyterian, New York, NY, USA
| | - Ronald A Lehman
- Department of Orthopaedics, Columbia University Medical Center, The Och Spine Hospital at New York-Presbyterian, New York, NY, USA
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Abstract
INTRODUCTION Computer-assisted navigation (CAN) is a well-established tool in spinal instrumentation surgery. Different techniques - each with specific advantages and disadvantages - are used in the cervical spine. METHODS A structured summary of different spinal navigation techniques and a review of the literature were done to discuss the advantages and disadvantages of specific navigation tools in the cervical spine. RESULTS In cervical spine surgery, CAN increases the accuracy of pedicle screw placement, reduces screw mispositioning and leads to fewer revision surgeries. Due to the mobility of the cervical spine, preoperative CT followed by region matching or intraoperative CT are recommended. CONCLUSIONS CAN increases pedicle screw placement accuracy and should be used in spinal instrumentation for the cervical spine whenever possible.
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Alqurashi A, Alomar SA, Bakhaidar M, Alfiky M, Baeesa SS. Accuracy of Pedicle Screw Placement Using Intraoperative CT-Guided Navigation and Conventional Fluoroscopy for Lumbar Spondylosis. Cureus 2021; 13:e17431. [PMID: 34462711 PMCID: PMC8389880 DOI: 10.7759/cureus.17431] [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] [Accepted: 08/23/2021] [Indexed: 11/28/2022] Open
Abstract
Background Transpedicular screws are a common adjunct for lumbar spine fusion. Accurate screw placement to prevent neurological injury has been the subject of many studies. The adoption of spine neuronavigation has shown a significant decrease in screw malposition morbidity. We aim to evaluate the accuracy of pedicle screw insertion using intraoperative CT-guided navigation in lumbar spondylosis. Methods We reviewed a prospective registry-based cohort study. This included patients who underwent transpedicular screws insertion for lumbar spondylosis under intraoperative CT-guided navigation (iCT-Nav) and compared it to another group operated using conventional fluoroscopy (FS) over one year. In addition, the correlation between clinical outcome using the visual analog scale (VAS) and short 12 physical component scores (SF-12 PCS) and hospital stay was reported. Results Fifteen patients were included in the iCT-Nav group compared to 42 patients in the FS group. The median age of the iCT-Nav group was 59.3 years old (27-76 years) versus 45 years old (20-60 years) in the FS group. The number of screws was 98 in the iCT-Nav group and 252 screws in the FS group. Based on more than 2-mm breach increments measured on CT images, lumbar pedicular screw placement accuracy was 100% in the iCT-Nav group and 86.9% in the FS group. None of the patients in the iCT-Nav group had to undergo any postoperative revisions. On the other hand, two patients of the FS group developed new postoperative symptoms related to displaced screws and required readmission and revision surgery. Conclusion In a commonly performed pedicular fixation in lumbar spondylosis, iCT-Nav has been shown to improve the accuracy of pedicle screw placement, hospital stay, and functional outcomes compared to FS.
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Affiliation(s)
- Ashwaq Alqurashi
- Department of Surgery, King Abdulaziz University Hospital, Jeddah, SAU
| | - Soha A Alomar
- Department of Surgery, Faculty of Medicine, King Abdulaziz University, Jeddah, SAU
| | - Mohamad Bakhaidar
- Department of Surgery, Faculty of Medicine, King Abdulaziz University, Jeddah, SAU
| | - Mohammed Alfiky
- Department of Surgery, King Abdulaziz University Hospital, Jeddah, SAU
| | - Saleh S Baeesa
- Division of Neurosurgery, Department of Surgery, Faculty of Medicine, King Abdulaziz University, Jeddah, SAU.,Department of Surgery, King Abdulaziz University Hospital, Jeddah, SAU
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Kelley BV, Hsiue PP, Upfill-Brown AM, Chen CJ, Villalpando C, Lord EL, Shamie AN, Stavrakis AI, Park DY. Utilization trends and outcomes of computer-assisted navigation in spine fusion in the United States. Spine J 2021; 21:1246-1255. [PMID: 33794362 DOI: 10.1016/j.spinee.2021.03.029] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [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: 05/06/2020] [Revised: 03/17/2021] [Accepted: 03/23/2021] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT Computer-assisted navigation (CAN) has emerged in spine surgery as an approach to improve patient outcomes. While there is substantial evidence demonstrating improved pedicle screw accuracy in CAN as compared to conventional spinal fusion (CONV), there is limited data regarding clinical outcomes and utilization trends in the United States. PURPOSE The purpose of this study was to determine the utilization rates of CAN in the United States, identify patient and hospital trends associated with both techniques, and to compare their results. STUDY DESIGN Retrospective review of national database. PATIENT SAMPLE Nationwide Inpatient Sample (NIS), United States national database. OUTCOME MEASURES CAN utilization, mortality, medical complications, neurologic complications, discharge destination, length of hospital stay, cost of hospital stay. METHODS The NIS database was queried to identify patients undergoing spinal fusion with CAN or CONV. CAN and CONV utilization were tracked by year and anatomic location (cervical, thoracic, lumbar/lumbosacral). Patient demographics, hospital characteristics, index length of stay (LOS), and cost of stay (COS) were compared between the cohorts. After multivariate adjustment, index hospitalization clinical outcomes were compared. RESULTS A total of 4,275,413 patients underwent spinal fusion surgery during the study period (2004 to 2014). CONV was performed in 98.4% (4,208,068) of cases and CAN was performed in 1.6% (67,345) of cases. The utilization rate of CAN increased from 0.04% in 2004 to 3.3% in 2014. Overall, CAN was performed most commonly in the lumbar/lumbosacral region (70.4%) compared to the cervical (20.4%) or thoracic (9.2%) regions. When normalized to region-specific rates of fusion with any technique, the proportional utilization of CAN was highest in the thoracic spine (2.7%), followed by the lumbar/lumbosacral (2.2%) and cervical (0.9%) regions. CAN utilization was positively correlated with patient factors including increasing age and number of medical comorbidities. Multivariate adjusted clinical outcomes demonstrated that compared to CONV, CAN was associated with a statistically significant decreased risk of mortality (0.28% vs 0.31%, OR=0.67, 95% CI: 0.46-0.97, p=.035) and increased risk of blood transfusions (9.1% vs 6.7%, OR=1.19, 95% CI: 1.02-1.39, p=.032). However, there was no difference in risk of neurologic complications. CAN patients had an increased average LOS (4.44 days vs. 3.97 days, p<.0001) and average COS ($34,669.49 vs $26,784.62, p<.0001) compared to CONV patients. CONCLUSIONS CAN utilization increased in the United States from 2004-2014. Use of CAN was proportionately higher in the thoracic and lumbar/lumbosacral regions and in older patients with more comorbidities. Given the continued trend towards increased CAN utilization, large-scale studies are needed to determine the impact of this technology on long-term clinical outcomes.
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Affiliation(s)
- Benjamin V Kelley
- Department of Orthopaedic Surgery, David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, CA, USA
| | - Peter P Hsiue
- Department of Orthopaedic Surgery, David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, CA, USA
| | - Alexander M Upfill-Brown
- Department of Orthopaedic Surgery, David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, CA, USA
| | - Clark J Chen
- Department of Orthopaedic Surgery, David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, CA, USA
| | - Cristina Villalpando
- Department of Orthopaedic Surgery, David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, CA, USA
| | - Elizabeth L Lord
- Department of Orthopaedic Surgery, David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, CA, USA
| | - Arya N Shamie
- Department of Orthopaedic Surgery, David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, CA, USA
| | - Alexandra I Stavrakis
- Department of Orthopaedic Surgery, David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, CA, USA
| | - Don Y Park
- Department of Orthopaedic Surgery, David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, CA, USA.
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Avrumova F, Morse KW, Heath M, Widmann RF, Lebl DR. Evaluation of K-wireless robotic and navigation assisted pedicle screw placement in adult degenerative spinal surgery: learning curve and technical notes. J Spine Surg 2021; 7:141-154. [PMID: 34296026 DOI: 10.21037/jss-20-687] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 03/12/2021] [Indexed: 11/06/2022]
Abstract
Background K-wireless robotic pedicle screw instrumentation with navigation is a new technology with large potential. Barriers to adoption are added registration time with robotic-navigated system and reliable screw positioning. Understanding the learning curve and limitations is crucial for successful implementation. The purpose of this study was to describe a learning curve of k-wireless robotic assisted pedicle screw placement with navigation and compare to conventional techniques. Methods A retrospective review of prospectively collected data of 65 consecutive adult patients underwent robotic-navigated posterior spinal fusion by a single spine surgeon. Registration, screw placement, and positioning times were recorded. All patients underwent intra-operative 3D fluoroscopy and screw trajectory was compared to pre-operative CT. Results A total of 364 instrumented pedicles were planned robotically, 311 (85.4%) were placed robotically; 17 screws (4.7%) converted to k-wire, 21 (5.8%) converted to freehand, and 15 (4.1%) planned freehand. Of the 311 robotically placed pedicle screws, three dimensional fluoroscopic imaging showed 291 (93.5%) to be GRS Grade A in the axial plane (fully contained within the pedicle) and 281 (90.4%) were GRS Grade A in the sagittal plane. All breached screw deviations from plan were identified on 3D fluoroscopy during surgery and repositioned and confirmed by additional 3d fluoroscopy scan. Reasons for conversion included morphology of starting point (n=18), soft tissue pressure (n=9), hypoplastic pedicles (n=6), obstructive reference pin placement (n=2), and robotic arm issues (n=1). Seventeen (5.5%) critical breaches (≥2-4 mm) were recorded in 11 patients, 9 (2.9%) critical breaches were due to soft tissue pressure causing skive. Two patients experienced 6 (1.9%) critical breaches from hypoplastic pedicles, and 3 (0.9%) unplanned lateral breaches were found in another patient. One patient (0.3%) experienced skive due to morphology and spinal instability from isthmic spondylolisthesis. Imaging showed 143 screws placed medially to plan (1.2±0.9 mm), 170 lateral (1.2±1.1 mm), 193 screws caudal (1.0±0.6 mm) and 117 cranial (0.6±0.5 mm). No adverse clinical sequelae occurred from implantation of any screw. Conclusions The learning curve showed improvement in screw times for the first several cases. Understanding the learning curve and situations where the robotic technique may be suboptimal can help guide the surgeon safe and effectively for adoption, as well as further refine these technologies.
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Affiliation(s)
- Fedan Avrumova
- Department of Spine Surgery, Hospital for Special Surgery, New York, NY, USA
| | - Kyle W Morse
- Academic Training, Hospital for Special Surgery, New York, NY, USA
| | - Madison Heath
- Department of Pediatric Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, USA
| | - Roger F Widmann
- Department of Pediatric Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, USA
| | - Darren R Lebl
- Department of Spine Surgery, Hospital for Special Surgery, New York, NY, USA
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Diaz-Aguilar LD, Shah V, Himstead A, Brown NJ, Abraham ME, Pham MH. Simultaneous Robotic Single-Position Surgery (SR-SPS) with Oblique Lumbar Interbody Fusion: A Case Series. World Neurosurg 2021; 151:e1036-e1043. [PMID: 34033960 DOI: 10.1016/j.wneu.2021.05.043] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [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: 03/20/2021] [Revised: 05/11/2021] [Accepted: 05/13/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND The oblique lateral interbody fusion (OLIF) procedure is an important component of the surgeon's armamentarium for the treatment of degenerative spinal conditions. OLIF with posterior spinal fixation frequently is performed and requires additional time because the patient is flipped to a prone position and redraped. We report a series of cases in which robotic-assistance was used for a 2-surgeon workflow in which OLIF and single lateral position posterior spinal fixation were performed at the same time, termed simultaneous robotic single position surgery (SR-SPS). METHODS Data were collected retrospectively from medical records of 13 consecutive patients who underwent SR-SPS by a single surgeon at an academic center between June and December 2020. Instrumentation accuracy, total operating room time, estimated blood loss, length of stay, and complications were assessed. RESULTS A total of 13 patients whose mean age was 64.1 years (range 46-84 years) underwent SR-SPS over a 6-month period. Average follow-up was 10.3 months. All patients were treated for degenerative spine disease. The average operative duration was 111.2 ± 25.2 minutes. A total of 60 pedicle screws were placed bilaterally in the lateral position with an accuracy rate of 95.0%. Complications included 1 postoperative seroma, and 1 patient required reoperation 3 months postoperatively due to a fall. CONCLUSIONS We report the first case series describing SR-SPS. Our study shows that this method can reduce operative time while ensuring accurate and timely screw placement with minimal complications.
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Affiliation(s)
- Luis Daniel Diaz-Aguilar
- Department of Neurosurgery, University of California San Diego School of Medicine, San Diego, California, USA
| | - Vrajesh Shah
- Department of Neurosurgery, University of California San Diego School of Medicine, San Diego, California, USA
| | - Alexander Himstead
- Department of Neurosurgery, University of California Irvine, School of Medicine, Orange, California, USA
| | - Nolan J Brown
- Department of Neurosurgery, University of California Irvine, School of Medicine, Orange, California, USA
| | - Mickey E Abraham
- Department of Neurosurgery, University of California San Diego School of Medicine, San Diego, California, USA
| | - Martin H Pham
- Department of Neurosurgery, University of California San Diego School of Medicine, San Diego, California, USA.
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Zheng Y, Yang J, Zhang F, Lu J, Qian Y. Robot-assisted vs freehand cannulated screw placement in femoral neck fractures surgery: A systematic review and meta-analysis. Medicine (Baltimore) 2021; 100:e25926. [PMID: 34011064 PMCID: PMC8137053 DOI: 10.1097/md.0000000000025926] [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] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 04/19/2021] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Several studies have reported that medical robot-assisted method (RA) might be superior to conventional freehand method (FH) in orthopedic surgery. Yet the results are still controversial, especially in terms of femoral neck fractures surgery. Here, 2 methods were assessed based on current evidence. METHODS Electronic databases including Cochrane Library, PubMed, Web of Science. and EMBASE were selected to retrieved to identify eligible studies between freehand and RAs in femoral neck fractures, with 2 reviewers independently reviewing included studies as well as collecting data. RESULTS A total of 5 studies with 331 patients were included. Results indicated that 2 surgical methods were equivalent in terms of surgical duration, Harris score, fracture healing time, fracture healing proportion and complications, while RA showed clinical benefits in radiation exposure, intraoperative bleeding, total drilling times, and screw parallelism. CONCLUSIONS Current literature revealed significantly difference between 2 techniques and suggested that RA might be beneficial for patients than freehand method.
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Affiliation(s)
- Yongshun Zheng
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University
| | - Jiazhao Yang
- Department of Orthopedics, Anhui Provincial Hospital
| | - Fan Zhang
- Department of Orthopedics, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Jinsen Lu
- Department of Orthopedics, Anhui Provincial Hospital
| | - Yeben Qian
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University
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Tarawneh AM, Salem KMI. A Systematic Review and Meta-analysis of Randomized Controlled Trials Comparing the Accuracy and Clinical Outcome of Pedicle Screw Placement Using Robot-Assisted Technology and Conventional Freehand Technique. Global Spine J 2021; 11:575-586. [PMID: 32677515 PMCID: PMC8119930 DOI: 10.1177/2192568220927713] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [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] [Indexed: 11/25/2022] Open
Abstract
STUDY DESIGN Systematic review and meta-analysis of randomized controlled trials (RCTs). OBJECTIVE This systematic review and meta-analysis was performed with the aim of exploring the differences in pedicle screw positioning accuracy, surgical time, length of hospital stay, postoperative back and leg Visual Analog Scale, revision surgeries, and intraoperative radiation time and exposure between robot-assisted technology and conventional freehand technique based on RCTs. METHODS Several databases, including the Cochrane library, PubMed, and EMBASE were systematically searched to identify potentially eligible articles. Meta-analysis was done using STATA 13 software. The odds ratios and 95% CIs were calculated for the studied categories. RESULTS Seven RCTs involving 290 patients (1298 pedicle screws) in the robot-assisted group and 288 patients (1348 pedicle screws) in the conventional freehand group were analyzed. The results revealed that grade (A) and grade (A+B) screw accuracies were significantly superior in the robot-assisted group (P = .008 and P = .009, respectively). Overall surgical duration and number of revision surgeries were significantly higher in the robot-assisted group (P = .014 and P < .0001, respectively). Intraoperative radiation time and dosage were significantly lower in the robot-assisted group (P < .0001 and P = .036, respectively). CONCLUSION It was demonstrated that robot-assisted technology is superior to the conventional freehand technique in terms of grade (A) and grade (A+B) screw accuracies and in the reduction of intraoperative radiation time and dosage. On the other hand, the freehand technique showed superior results in terms of overall surgical duration and revision surgery rates.
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Affiliation(s)
- Ahmad M. Tarawneh
- Nottingham University Hospitals NHS Trust, Nottingham, UK,Ahmad M. Tarawneh, Centre for Spinal Studies
and Surgery, Queen’s Medical Centre, Nottingham University Hospitals NHS Trust,
Nottingham, UK.
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Ansari D, Chiu RG, Kumar M, Patel S, Almadidy Z, Chaudhry NS, Mehta AI. Assessing the Clinical Safety Profile of Computer-Assisted Navigation for Posterior Cervical Fusion: A Propensity-Matched Analysis of 30-Day Outcomes. World Neurosurg 2021; 150:e530-e538. [PMID: 33746104 DOI: 10.1016/j.wneu.2021.03.063] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [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: 12/28/2020] [Revised: 03/11/2021] [Accepted: 03/11/2021] [Indexed: 11/25/2022]
Abstract
BACKGROUND Computer-assisted navigation (CAN) has been shown to improve accuracy of screw placement in procedures involving the posterior cervical spine, but whether the addition of CAN affects complication rates, neurologic or otherwise, is presently unknown. The objective of this study is to determine the effect of spinal CAN on short-term clinical outcomes following posterior cervical fusion. METHODS The American College of Surgeons National Surgical Quality Improvement Program database was queried from 2011 to 2018. Patients receiving posterior cervical fusion were identified and separated into CAN and non-CAN cohorts on the basis of a propensity score matching algorithm to select similar patients for comparison. Rates of 30-day unplanned readmission, reoperation, and other complications were evaluated. A separate matching algorithm was used to generate a subgroup of patients undergoing C1-C2 or occiput-C2 fusion for comparison of the same outcomes. RESULTS A total of 12,578 patients met inclusion criteria, of which 689 received CAN and 11,889 did not. After adjusting for baseline differences, patients receiving CAN experienced longer operations and had higher total relative value units associated with care. There were no significant differences in 30-day complication, readmission, or revision rates. At the occipitocervical junction, there were more hardware revisions in the non-CAN group, but this effect did not reach statistical significance (2 vs. 0; P = 0.155). CONCLUSIONS Surgeons should embrace navigation in the cervical spine at their own discretion, as use of CAN does not appear to be associated with increased rates of surgical complications or readmissions despite longer operative time.
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Affiliation(s)
- Darius Ansari
- Department of Neurosurgery, University of Illinois, Chicago, Illinois, USA
| | - Ryan G Chiu
- Department of Neurosurgery, University of Illinois, Chicago, Illinois, USA
| | - Megh Kumar
- Department of Neurosurgery, University of Illinois, Chicago, Illinois, USA
| | - Saavan Patel
- Department of Neurosurgery, University of Illinois, Chicago, Illinois, USA
| | - Zayed Almadidy
- Department of Neurosurgery, University of Illinois, Chicago, Illinois, USA
| | - Nauman S Chaudhry
- Department of Neurosurgery, University of Illinois, Chicago, Illinois, USA
| | - Ankit I Mehta
- Department of Neurosurgery, University of Illinois, Chicago, Illinois, USA.
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Farber SH, Pacult MA, Godzik J, Walker CT, Turner JD, Porter RW, Uribe JS. Robotics in Spine Surgery: A Technical Overview and Review of Key Concepts. Front Surg 2021; 8:578674. [PMID: 33708791 PMCID: PMC7940754 DOI: 10.3389/fsurg.2021.578674] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [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: 06/30/2020] [Accepted: 01/26/2021] [Indexed: 01/19/2023] Open
Abstract
The use of robotic systems to aid in surgical procedures has greatly increased over the past decade. Fields such as general surgery, urology, and gynecology have widely adopted robotic surgery as part of everyday practice. The use of robotic systems in the field of spine surgery has recently begun to be explored. Surgical procedures involving the spine often require fixation via pedicle screw placement, which is a task that may be augmented by the use of robotic technology. There is little margin for error with pedicle screw placement, because screw malposition may lead to serious complications, such as neurologic or vascular injury. Robotic systems must provide a degree of accuracy comparable to that of already-established methods of screw placement, including free-hand, fluoroscopically assisted, and computed tomography–assisted screw placement. In the past several years, reports have cataloged early results that show the robotic systems are associated with equivalent accuracy and decreased radiation exposure compared with other methods of screw placement. However, the literature is still lacking with regard to long-term outcomes with these systems. This report provides a technical overview of robotics in spine surgery based on experience at a single institution using the ExcelsiusGPS (Globus Medical; Audobon, PA, USA) robotic system for pedicle screw fixation. The current state of the field with regard to salient issues in robotics and future directions for robotics in spinal surgery are also discussed.
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Affiliation(s)
- S Harrison Farber
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States
| | - Mark A Pacult
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States
| | - Jakub Godzik
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States
| | - Corey T Walker
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States
| | - Jay D Turner
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States
| | - Randall W Porter
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States
| | - Juan S Uribe
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ, United States
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Esfandiari H, Weidert S, Kövesházi I, Anglin C, Street J, Hodgson AJ. Deep learning-based X-ray inpainting for improving spinal 2D-3D registration. Int J Med Robot 2021; 17:e2228. [PMID: 33462965 DOI: 10.1002/rcs.2228] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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: 10/07/2020] [Revised: 12/16/2020] [Accepted: 12/17/2020] [Indexed: 11/08/2022]
Abstract
BACKGROUND Two-dimensional (2D)-3D registration is challenging in the presence of implant projections on intraoperative images, which can limit the registration capture range. Here, we investigate the use of deep-learning-based inpainting for removing implant projections from the X-rays to improve the registration performance. METHODS We trained deep-learning-based inpainting models that can fill in the implant projections on X-rays. Clinical datasets were collected to evaluate the inpainting based on six image similarity measures. The effect of X-ray inpainting on capture range of 2D-3D registration was also evaluated. RESULTS The X-ray inpainting significantly improved the similarity between the inpainted images and the ground truth. When applying inpainting before the 2D-3D registration process, we demonstrated significant recovery of the capture range by up to 85%. CONCLUSION Applying deep-learning-based inpainting on X-ray images masked by implants can markedly improve the capture range of the associated 2D-3D registration task.
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Affiliation(s)
- Hooman Esfandiari
- School of Biomedical Engineering, Surgical Technologies Lab, Centre for Hip Health and Mobility, University of British Columbia, Vancouver, British Columbia, Canada
| | - Simon Weidert
- Department for General, Trauma and Reconstructive Surgery, LMU Munich, Munich, Germany
| | - István Kövesházi
- Department for General, Trauma and Reconstructive Surgery, LMU Munich, Munich, Germany
| | - Carolyn Anglin
- Biomedical and Civil Engineering, University of Calgary, Calgary, Alberta, Canada
| | - John Street
- Combined Neurosurgical and Orthopaedic Spine Program, University of British Columbia, Vancouver, British Columbia, Canada
| | - Antony J Hodgson
- Department of Mechanical Engineering, School of Biomedical Engineering, Surgical Technologies Lab, University of British Columbia, Vancouver, British Columbia, Canada
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Abstract
The use of navigation has become more prevalent in spine surgery. The multitude of available platforms, as well as increased availability of navigation systems, have led to increased use worldwide. Specific subsets of spine surgeons have incorporated this new technology in their practices, including minimally invasive spine (MIS) spine surgeons, neurosurgeons, and high-volume surgeons. Improved accuracy with the use of navigation has been demonstrated and its use has proven to be a safe alternative to fluoroscopic guided procedures. Navigation use allows the limitation of radiation exposure to the surgeon during common spine procedures, which over the course of a surgeon's lifetime may offer significant health benefits. Navigation has also been beneficial in tumor resection and MIS surgery, where traditional anatomic landmarks are missing or in the case of MIS not visible. As cost effectiveness improves, the use of navigation is likely to continue to expand. Navigation will also continue to expand with further innovation such as coupling the use of navigation with robotics and improving tools to enhance the end user experience.
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Affiliation(s)
- Nathaniel Rawicki
- Department of Orthopedics, Westchester Medical Center, Valhalla, NY, USA
| | - James E Dowdell
- Department of Spine, Hospital for Special Surgery, New York, NY, USA
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Abstract
The advent and widespread adoption of pedicle screw instrumentation prompted the need for image guidance in spine surgery to improve accuracy and safety. Although the conventional method, fluoroscopy, is readily available and inexpensive, concerns regarding radiation exposure and the drive to provide better visual guidance spurred the development of computer-assisted navigation. Contemporaneously, a non-navigated robotic guidance platform was also introduced as a competing modality for pedicle screw placement. Although the robot could provide high precision trajectory guidance by restricting four of the six degrees of freedom (DOF), the lack of real-time depth control and high capital acquisition cost diminished its popularity, while computer-assisted navigation platforms became increasingly sophisticated and accepted. The recent integration of real-time 3D navigation with robotic platforms has resulted in a resurgence of interest in robotics in spine surgery with the recent introduction of numerous navigated robotic platforms. The currently available navigated robotic spine surgery platforms include the ROSA Spine Robot (Zimmer Biomet Robotics formerly Medtech SA, Montpellier, France), ExcelsiusGPS® (Globus Medical, Inc., Audubon, PA, USA), Mazor X spine robot (Medtronic Navigation Louisville, CO; Medtronic Spine, Memphis, TN; formerly Mazor Robotics, Caesarea, Israel) and TiRobot (TINAVI Medical Technologies, Beijing, China). Here we provide an overview of these navigated spine robotic platforms, existing applications, and potential future avenues of implementation.
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Affiliation(s)
- Meng Huang
- Department of Neurosurgery, University of Miami, Miami, Florida, USA
| | - Tyler A Tetreault
- Department of Orthopedic Surgery, University of Colorado, Aurora, Colorado, USA
| | - Avani Vaishnav
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, New York, USA
| | - Philip J York
- Department of Orthopedic Surgery, University of Colorado, Aurora, Colorado, USA
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Baba S, Kawaguchi K, Itamoto K, Watanabe T, Hayashida M, Mae T, Nakashima Y, Kato G. Use of an inertial measurement unit sensor in pedicle screw placement improves trajectory accuracy. PLoS One 2020; 15:e0242512. [PMID: 33196657 PMCID: PMC7668595 DOI: 10.1371/journal.pone.0242512] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 11/03/2020] [Indexed: 12/02/2022] Open
Abstract
Ascertaining the accuracy of the pedicle screw (PS) trajectories is important as PS malpositioning can cause critical complications. We aimed to determine the angle range over which estimation is unreliable; build a low-cost PS placement support system that uses an inertial measurement unit (IMU) to enable the monitoring of surgical tools and PS trajectories, and determine the situations where IMU support would be most beneficial. In PS insertion experiments, we used cadaver samples that included lumbar porcine spines. Computed tomography images obtained before and after PS insertion were viewed. Offsets between the planned and implanted PS trajectories in the freehand and IMU-assisted groups were analyzed. The PS cortical bone breaches were classified according to the Gertzbein and Robbins criteria (GRC). Added head-down tilted sample experiments were repeated wherein we expected a decreased rostro-caudal rotational accuracy of the PS according to the angle estimation ability results. Evaluation of the PS trajectory accuracy revealed no significant advantage of IMU-assisted rostro-caudal rotational accuracy versus freehand accuracy. According to the GRC, IMU assistance significantly increased the rate of clinically acceptable PS positions (RoCA) than the freehand technique. In the head-down tilted sample experiments, IMU assist provided increased accuracies with both rostro-caudal and medial rotational techniques when compared with the freehand technique. In the freehand group, RoCA was significantly decreased in samples with rostral tilting relative to that in the samples without. However, In the IMU-assisted group, no significant difference in RoCA between the samples with and without head-down tilting was observed. Even when the planned PS medial and/or rostro-caudal rotational angle was relatively large and difficult to reproduce manually, IMU-support helped maintain the PS trajectory accuracy and positioning safety. IMU assist in PS placement was more beneficial, especially for larger rostro-caudal and/or medial rotational pedicle angles.
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Affiliation(s)
- Satoshi Baba
- Department of Spine Surgery, Saga Medical Center, Koseikan, Saga, Japan
- Trauma Center, Saga Medical Center, Koseikan, Saga, Japan
- Department of Orthopedic Surgery, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Kenichi Kawaguchi
- Department of Orthopedic Surgery, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Kazuhito Itamoto
- Department of Small Animal Clinical Science, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Takeshi Watanabe
- Department of Orthopedic Surgery, Watanabe Orthopedic Hospital, Itoshima, Fukuoka, Japan
| | - Mitsumasa Hayashida
- Department of Spine Surgery, Saga Medical Center, Koseikan, Saga, Japan
- Trauma Center, Saga Medical Center, Koseikan, Saga, Japan
- Department of Orthopedic Surgery, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Takao Mae
- Trauma Center, Saga Medical Center, Koseikan, Saga, Japan
- Department of Orthopedic Surgery, Saga Medical Center, Koseikan, Saga, Japan
| | - Yasuharu Nakashima
- Department of Orthopedic Surgery, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Go Kato
- Department of Spine Surgery, Saga Medical Center, Koseikan, Saga, Japan
- Trauma Center, Saga Medical Center, Koseikan, Saga, Japan
- Department of Orthopedic Surgery, Fukuoka Red Cross Hospital, Fukuoka, Japan
- * E-mail:
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