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Amer Sebaaly Department of Orthopedic Surgery, Bellevue Medical Center University Hospital, Faculty of Medicine, Saint Joseph University, Lebanon.
Department of Orthopedic Surgery, Spine Unit, Centre Hospitalier de l’Université de Montréal (CHUM), Canada.

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Maroun Rizkallah Department of Orthopedic Surgery, Bellevue Medical Center University Hospital, Faculty of Medicine, Saint Joseph University, Lebanon.

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Guillaume Riouallon Department of Orthopedic Surgery, Groupe Hospitalier Paris Saint Joseph, France.

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Zhi Wang Department of Orthopedic Surgery, Spine Unit, Centre Hospitalier de l’Université de Montréal (CHUM), Canada.

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Pierre Emmanuel Moreau Department of Orthopedic Surgery, Groupe Hospitalier Paris Saint Joseph, France.

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Falah Bachour Department of Orthopedic Surgery, Bellevue Medical Center University Hospital, Faculty of Medicine, Saint Joseph University, Lebanon.

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Ghassan Maalouf Department of Orthopedic Surgery, Bellevue Medical Center University Hospital, Faculty of Medicine, Saint Joseph University, Lebanon.

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breaches may occur during the learning curve of this navigation-assisted percutaneous instrumentation technique ( Fig. 5 ). To ensure rapid insertion of the screws, we tape all the screws using the navigated tap ( Fig. 4c ). Screw insertion is made easier

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Scott D. Middleton Scott D. Middleton, Department of Orthopaedic Surgery, The Royal Infirmary and University of Edinburgh, United Kingdom

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Ralf Wagner Ralf Wagner, Ligamenta Spine Centre, Frankfurt am Main, Germany

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J. N. Alastair Gibson J. N. Alastair Gibson, Department of Orthopaedic Surgery, The Royal Infirmary and University of Edinburgh, United Kingdom

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limitations, including the attendant risks of entering the thorax and an extended learning curve. 22 , 23 These limitations have limited widespread uptake of the technology. In 1999, Jho 24 described endoscopic transpedicular thoracic discectomy

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Xun Wang Department of Orthopedics, Center for Plastic & Reconstructive Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, China
Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China

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Aiqi Zhang Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China

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Wenchao Yao Department of Orthopaedics, the First People's Hospital of Chun'an County, Hangzhou, Zhejiang, China

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Haiyan Qiu Department of Endocrinology, Afliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China

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Fabo Feng Department of Orthopedics, Center for Plastic & Reconstructive Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, China

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significantly higher than posterior approaches, and the learning curves are steeper. Furthermore, both anterior and lateral interbody fusion are indirect decompression, which may result in a risk of incomplete decompression for radiculopathy caused by disc

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Augusto Covaro ICATME, Institut Universitari Quirón-Dexeus, Barcelona, Spain

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Gemma Vilà-Canet ICATME, Institut Universitari Quirón-Dexeus, Barcelona, Spain

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Ana García de Frutos ICATME, Institut Universitari Quirón-Dexeus, Barcelona, Spain

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Maite T. Ubierna ICATME, Institut Universitari Quirón-Dexeus, Barcelona, Spain

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Francesco Ciccolo ICATME, Institut Universitari Quirón-Dexeus, Barcelona, Spain

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Enric Caceres Universitat Autónoma de Barcelona, Spain

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carry an inherently difficult learning curve. 56 New techniques of posterior decompression have been developed to preserve spinal integrity and to minimise tissue damage by limiting bony decompression and avoiding removal of the mid-line structures

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Wen-xi Sun State Key Laboratory of Traditional Chinese Medicine Syndrome, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China

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Wei-qiang Huang State Key Laboratory of Traditional Chinese Medicine Syndrome, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China

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Hua-yang Li State Key Laboratory of Traditional Chinese Medicine Syndrome, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China

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Hong-shen Wang State Key Laboratory of Traditional Chinese Medicine Syndrome, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China

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Sheng-li Guo State Key Laboratory of Traditional Chinese Medicine Syndrome, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China

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Jie Dong Huizhou Hospital of Guangzhou University of Chinese Medicine, Huizhou, China

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Bo-lai Chen State Key Laboratory of Traditional Chinese Medicine Syndrome, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China

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Yong-peng Lin State Key Laboratory of Traditional Chinese Medicine Syndrome, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China

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interbody fusion was cost-effective in 63% of simulations when patients were willing to pay $50 000/quality-adjusted life year (QALY) ( 56 ). (iv) In addition, the learning curves in RSS should not go unnoticed. RSS takes approximately 25 practice operations

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Amer Sebaaly Department of Orthopedic Surgery, Bellevue Medical Center University Hospital, Faculty of Medicine, Saint Joseph University, Beirut, Lebanon

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Maroun Rizkallah Department of Orthopedic Surgery, Bellevue Medical Center University Hospital, Faculty of Medicine, Saint Joseph University, Beirut, Lebanon

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Falah Bachour Department of Orthopedic Surgery, Bellevue Medical Center University Hospital, Faculty of Medicine, Saint Joseph University, Beirut, Lebanon

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Firas Atallah Department of Orthopedic Surgery, Bellevue Medical Center University Hospital, Faculty of Medicine, Saint Joseph University, Beirut, Lebanon

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Pierre Emmanuel Moreau Department of Orthopedic Surgery, Centre Hospitalier Paris Saint Joseph, Paris, France

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Ghassan Maalouf Department of Orthopedic Surgery, Bellevue Medical Center University Hospital, Faculty of Medicine, Saint Joseph University, Beirut, Lebanon

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fractures. The technique is relatively safe after the learning curve has passed. Therefore, a thorough evaluation of patients with thoracolumbar OVFs according to the proposed algorithm is needed to identify eligible patients for whom percutaneous cement

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Emmanuelle Ferrero Service de chirurgie orthopédique, Hôpital européen Georges Pompidou, France, APHP, Université Paris V

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Pierre Guigui Service de chirurgie orthopédique, Hôpital européen Georges Pompidou, France, APHP, Université Paris V

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radiological outcomes. Nevertheless, the authors highlighted the length of the learning curve. Another possibility when carrying out MIS surgery is to perform bilateral decompression without fusion through a unilateral MIS approach. In their series, Toyoda et

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Nick Evans University Hospital of Wales, Cardiff, UK

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Michael McCarthy University Hospital of Wales, Cardiff, UK

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following MIS-TLIF, attributed to the steep learning curve, was found in one study 95 and short-term clinical improvement following MIS-TLIF was noted in another. 94 These findings are further supported in a systematic review by Goldstein et al

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Miguel Relvas-Silva Department of Orthopaedics and Traumatology, São João Universitary Hospital Centre, Porto, Portugal
NeuroGen Research Group, Center for Health Technology and Services Research (CINTESIS), Rua Dr. Plácido da Costa, Porto, Portugal

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Bernardo Sousa Pinto MEDCIDS - Department of Community Medicine, Information and Health Decision Sciences Faculty of Medicine, University of Porto, Porto, Portugal
CINTESIS@RISE - Health Research Network, MEDCIDS, Faculty of Medicine, University of Porto, Porto, Portugal

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António Sousa Department of Orthopaedics and Traumatology, São João Universitary Hospital Centre, Porto, Portugal

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Miguel Loureiro Department of Orthopaedics and Traumatology, São João Universitary Hospital Centre, Porto, Portugal
Hospital das Forças Armadas, Porto, Portugal

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André Rodrigues Pinho Department of Orthopaedics and Traumatology, São João Universitary Hospital Centre, Porto, Portugal
Unit of Anatomy, Department of Biomedicine, Faculty of Medicine, University of Porto, Alameda Professor Hernâni Monteiro, Porto, Portugal

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Pedro Pereira NeuroGen Research Group, Center for Health Technology and Services Research (CINTESIS), Rua Dr. Plácido da Costa, Porto, Portugal
CINTESIS@RISE - Health Research Network, MEDCIDS, Faculty of Medicine, University of Porto, Porto, Portugal
Unit of Anatomy, Department of Biomedicine, Faculty of Medicine, University of Porto, Alameda Professor Hernâni Monteiro, Porto, Portugal

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field, and surgeon’s experience may contribute to a steep learning curve and longer operative time, as evidenced in this analysis: on average, Endo-LIF took 31 min longer than MIS-LIF and 68 minutes longer than Open-LIF. Estimated blood loss was

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