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- 저자 : Thambiah Joseph (검색결과 3 건)
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Barry Tan Wei Loong,Jeanette Tan Sze Lyn Jasmin,Ashokka Balakrishnan,Lopez Keith Gerard,Thambiah Joseph,Kumar Naresh 대한척추외과학회 2020 Asian Spine Journal Vol.14 No.5
The coronavirus disease 2019 (COVID-19) pandemic has caused pronounced strain on global healthcare systems, forcing the streamlining of clinical activities and conservation of health resources. There is a pressing need for institutions to present discipline-specific strategies for the management of COVID-19 patients. We present the comprehensive considerations at the National University Hospital, Singapore from the surgeon’s and anesthetist’s perspectives in the performance of spinal surgery in COVID-19 patients. These are based on national guidelines and overarching principles of protection for the healthcare workers (HCWs) and efficiency in surgical planning. The workflow begins with the emergency department screening that has been adapted to the local epidemiology of COVID-19 in order to identify suspected/confirmed cases. If patient history cannot be obtained, demographic, clinical, and imaging data are used. Designated orthopedic “contaminated teams” are available 24/7 with an activation time of <30 minutes for review. In cases where sub-specialty spine surgeons were required, these professionals were inducted into the “contaminated team” and quarantined until cleared to return to work. Indications for emergency spine surgery were determined pre-emptively. Preoperative surgical considerations included the minimization of manpower, limited dissection, reduced operative time, and judicious use of equipment, leading to reduced aerosolization. Anesthesia considerations include preoperative screening for COVID-19–related concerns that influence surgery, operating room process planning and induction, intraoperative, reversal, recovery, and resuscitation considerations. Focused multi-disciplinary preoperative briefing facilitates familiarization. Surgical, anesthetic, and postoperative workflows were designed to reduce the risk of transmission and protect HCWs while effectively performing spinal surgery. The COVID-19 pandemic has necessitated paradigm shifts in healthcare planning, hospital workflows, and operative protocols. The viral burden does not discriminate between surgeons and physicians, and it is crucial that we, as medical professionals, adapt practices to be malleable and fluid to address the ever-changing developments.
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Symptomatic Construct Failure after Metastatic Spine Tumor Surgery
Kumar Naresh,Patel Ravish,Tan Jiong Hao,Song Joshua,Pandita Naveen,Hey Dennis Hwee Weng,Lau Leok Lim,Liu Gabriel Ka-Po,Thambiah Joseph,Wong Hee-Kit 대한척추외과학회 2021 Asian Spine Journal Vol.15 No.4
Study Design: Retrospective cohort study.Purpose: To evaluate the incidence and presentation of symptomatic failures (SFs) after metastatic spine tumor surgery (MSTS). To identify the associated risk factors. To categorize SFs based on the management in these patients.Overview of Literature: Few studies have reported on the incidence (1.9%–16%) and risk factors of SF after MSTS. It is unclear whether all SFs, occurring in MSTS-patients, result in revision surgery.Methods: We conducted a retrospective analysis on 288 patients (246 for final analysis) who underwent MSTS between 2005–2015. Data collected were demographics and peri/postoperative clinical and radiological features. Early and late radiological SF were defined as presentation before and after 3 months from index surgery, respectively. Univariate and multivariate models of competing risk regression analysis were designed to determine the risk factors for SF with death as a competing event.Results: We observed 14 SFs (5.7%) in 246 patients; 10 (4.1%) underwent revision surgery. Median survival was 13.4 months. The mean age was 58.8 years (range, 21–87 years); 48.4% were women. The median time to failure was 5 months (range, 1–60 months). Patients with SF were categorized into three groups: (1) SF when the primary implant was revised (n=5, 35.7%); (2) peri-construct progression of disease requiring extension (n=5, 35.7%); and (3) SFs that did not warrant revision (n=4, 28.5%). Four patients (28.5%) presented with early failure. SF commonly occurred at the implant-bone interface (9/14) and all patients had a spinal instability neoplastic score (SINS) >7. Thirteen patients (92.8%) who developed failure had fixation spanning junctional regions. Multivariate competing risk regression showed that preoperative Eastern Cooperative Oncology Group score was a significant risk factor for implant failure (adjusted sub-hazard ratio, 7.0; 95% confidence interval, 1.63–30.07; p<0.0009).Conclusions: The incidence of SF (5.7%) was low in patients undergoing MSTS although these patients did not undergo spinal fusion. Preoperative ambulators involved a 7 times higher risk of failure than non-ambulators. Preoperative SINS >7 and fixations spanning junctional regions were associated with SF. Majority of construct failures occurred at the implant-bone interface.
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Liu Gabriel Ka-Po,Tan Jiong Hao,Kong Jun Cheong,Tan Yong Hao Joel,Kumar Nishant,Liang Shen,Shawn Seah Jing Sheng,Ting Chiu Shi,Lim Lau Leok,Dennis Hey Hwee Weng,Kumar Naresh,Thambiah Joseph,Wong Hee-K 대한척추외과학회 2022 Asian Spine Journal Vol.16 No.6
Study Design: A retrospective cohort study of patients with surgically treated thoracolumbar fractures.Purpose: This study aimed to describe the incidence of adverse events (AEs) after surgical stabilization of thoracolumbar spine injuries and to identify predictive factors for the occurrence of AEs. Overview of Literature: Thoracolumbar spine fractures are frequently present in patients with blunt trauma and are associated with significant morbidity. AEs can occur due to the initial spinal injury or secondary to surgical treatment. There is a lack of emphasis in the literature on the AEs that can occur after operative management of thoracolumbar fractures.Methods: We performed a retrospective review of 199 patients with surgically treated thoracolumbar fractures operated between January 2007 and January 2018. The potential risk factors for the development of AEs as well as the development of common complications were evaluated by univariate analysis, and a multivariate logistic regression analysis was performed to identify independent risk factors predictive of the above.Results: The overall rate of AEs was 46.7%; 83 patients (41.7%) had nonsurgical AEs, whereas 24 (12.1%) had surgical adverse events. The most common AEs were urinary tract infections in 43 patients (21.6%), and hospital-acquired pneumonia in 21 patients (10.6%). On multivariate logistic regression, a Thoracolumbar Injury Classification and Severity (TLICS) score of 8–10 (odds ratio [OR], 6.39; 95% confidence interval [CI], 2.33–17.51), the presence of polytrauma (OR, 2.64; 95% CI, 1.17–5.99), and undergoing open surgery (OR, 2.31; 95% CI, 1.09–4.88) were significant risk factors for AEs. The absence of neurological deficit was associated with a lower rate of AEs (OR, 0.47; 95% CI, 0.31–0.70).Conclusions: This study suggests the presence of polytrauma, preoperative American Spinal Injury Association score, and TLICS score are predictive of AEs in patients with surgically treated thoracolumbar fractures. The results might also suggest a role for minimally invasive surgical methods in reducing AEs in these patients.
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