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Biswas S, Aizan LNB, Mathieson K, Neupane P, Snowdon E, MacArthur J, Sarkar V, Tetlow C, Joshi George K. Clinicosocial determinants of hospital stay following cervical decompression: A public healthcare perspective and machine learning model. J Clin Neurosci 2024; 126:1-11. [PMID: 38821028 DOI: 10.1016/j.jocn.2024.05.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 05/13/2024] [Accepted: 05/25/2024] [Indexed: 06/02/2024]
Abstract
OBJECTIVE Post-operative length of hospital stay (LOS) is a valuable measure for monitoring quality of care provision, patient recovery, and guiding hospital resource management. But the impact of patient ethnicity, socio-economic deprivation as measured by the indices of multiple deprivation (IMD), and pre-existing health conditions on LOS post-anterior cervical decompression and fusion (ACDF) is under-researched in public healthcare settings. METHODS From 2013 to 2023, a retrospective study at a single center reviewed all ACDF procedures. We analyzed 14 non-clinical predictors-including demographics, comorbidities, and socio-economic status-to forecast a categorized LOS: short (≤2 days), medium (2-3 days), or long (>3 days). Three machine learning (ML) models were developed and assessed for their prediction reliability. RESULTS 2033 ACDF patients were analyzed; 79.44 % had a LOS ≤ 2 days. Significant predictors of LOS included patient sex (HR:0.81[0.74-0.88], p < 0.005), IMD decile (HR:1.38[1.24-1.53], p < 0.005), smoking (HR:1.24[1.12-1.38], p < 0.005), DM (HR:0.70[0.59-0.84], p < 0.005), and COPD (HR:0.66, p = 0.01). Asian patients had the highest mean LOS (p = 0.003). Testing on 407 patients, the XGBoost model achieved 80.95 % accuracy, 71.52 % sensitivity, 85.76 % specificity, 71.52 % positive predictive value, and a micro F1 score of 0.715. This model is available at: https://acdflos.streamlit.app. CONCLUSIONS Utilizing non-clinical pre-operative parameters such as patient ethnicity, socio-economic deprivation index, and baseline comorbidities, our ML model effectively predicts postoperative LOS for patient undergoing ACDF surgeries. Yet, as the healthcare landscape evolves, such tools will require further refinement to integrate peri and post-operative variables, ensuring a holistic decision support tool.
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Affiliation(s)
- Sayan Biswas
- Faculty of Biology, Medicine and Health, University of Manchester, M13 9PL Manchester, England, United Kingdom.
| | - Luqman Naim Bin Aizan
- Department of General Surgery, Warrington and Halton Foundation Trust, Warrington, United Kingdom
| | - Katie Mathieson
- Faculty of Biology, Medicine and Health, University of Manchester, M13 9PL Manchester, England, United Kingdom
| | - Prashant Neupane
- Department of Vascular Surgery, Manchester Vascular Centre, Manchester Royal Infirmary, M13 9WL Manchester, United Kingdom
| | - Ella Snowdon
- Faculty of Biology, Medicine and Health, University of Manchester, M13 9PL Manchester, England, United Kingdom
| | - Joshua MacArthur
- Faculty of Biology, Medicine and Health, University of Manchester, M13 9PL Manchester, England, United Kingdom
| | - Ved Sarkar
- College of Letters and Sciences, University of California, Berkeley, CA 94720, United States of America
| | - Callum Tetlow
- Division of Data Science, The Northern Care Alliance NHS Group, M6 8HD Manchester, England, United Kingdom
| | - K Joshi George
- Department of Neurosurgery, Manchester Centre for Clinical Neurosciences, Salford Royal Hospital, M6 8HD Manchester, England, United Kingdom
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Dong WX, Hu Y, Lai OJ, Yuan ZS, Sun XY. Biomechanical evaluation of reinsertion and revision screws in the subaxial cervical vertebrae. BMC Musculoskelet Disord 2024; 25:397. [PMID: 38773452 PMCID: PMC11106950 DOI: 10.1186/s12891-023-07158-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 12/28/2023] [Indexed: 05/23/2024] Open
Abstract
BACKGROUND This study aimed to evaluate the biomechanical effects of reinserted or revised subaxial cervical vertebral screws. METHODS The first part aimed to gauge the maximum insertional torque (MIT) of 30 subaxial cervical vertebrae outfitted with 4.0-mm titanium screws. A reinsertion group was created wherein a screw was wholly removed and replaced along the same trajectory to test its maximum pullout strength (MPOS). A control group was also implemented. The second part involved implanting 4.0-mm titanium screws into 20 subaxial cervical vertebrae, testing them to failure, and then reinserting 4.5-mm revision screws along the same path to determine and compare the MIT and MPOS between the test and revision groups. RESULTS Part I findings: No significant difference was observed in the initial insertion's maximum insertion torque (MIT) and maximum pull-out strength (MPOS) between the control and reinsertion groups. However, the MIT of the reinsertion group was substantially decreased compared to the first insertion. Moderate to high correlations were observed between the MIT and MPOS in both groups, as well as between the MIT of the first and second screw in the reinsertion group. Part II, the MIT and MPOS of the screw in the test group showed a strong correlation, while a modest correlation was observed for the revision screw used in failed cervical vertebrae screw. Additionally, the MPOS of the screw in the test group was significantly higher than that of the revision screw group. CONCLUSION This study suggests that reinsertion of subaxial cervical vertebrae screws along the same trajectory is a viable option that does not significantly affect fixation stability. However, the use of 4.5-mm revision screws is inadequate for failed fixation cases with 4.0-mm cervical vertebral screws.
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Affiliation(s)
- Wei-Xin Dong
- Department of Spinal Surgery, Ningbo No.6 Hospital, 1059 East Zhongshan Road, Ningbo, Zhejiang, 315040, People's Republic of China
| | - Yong Hu
- Department of Spinal Surgery, Ningbo No.6 Hospital, 1059 East Zhongshan Road, Ningbo, Zhejiang, 315040, People's Republic of China.
| | - Ou-Jie Lai
- Department of Spinal Surgery, Ningbo No.6 Hospital, 1059 East Zhongshan Road, Ningbo, Zhejiang, 315040, People's Republic of China
| | - Zhen-Shan Yuan
- Department of Spinal Surgery, Ningbo No.6 Hospital, 1059 East Zhongshan Road, Ningbo, Zhejiang, 315040, People's Republic of China
| | - Xiao-Yang Sun
- Department of Spinal Surgery, Ningbo No.6 Hospital, 1059 East Zhongshan Road, Ningbo, Zhejiang, 315040, People's Republic of China
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Ruggiero N, Soliman MAR, Kuo CC, Aguirre AO, Quiceno E, Saleh J, Yeung K, Khan A, Hess RM, Lim J, Smolar DE, Pollina J, Mullin JP. The Effect of Diabetes on Complications after Spinal Fusion: A Systematic Review and Meta-Analysis. World Neurosurg 2024; 185:e976-e994. [PMID: 38460815 DOI: 10.1016/j.wneu.2024.03.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Accepted: 03/03/2024] [Indexed: 03/11/2024]
Abstract
OBJECTIVE Spinal fusion procedures are used to treat a wide variety of spinal pathologies. Diabetes mellitus (DM) has been shown to be a significant risk factor for several complications following these procedures in previous studies. To the authors' knowledge, this is the first systematic review and meta-analysis elucidating the relationship between DM and complications occurring after spinal fusion procedures. METHODS Systematic literature searches of PubMed and EMBASE were performed from their inception to October 1, 2022, to identify studies that directly compared postfusion complications in patients with and without DM. Studies met the prespecified inclusion criteria if they reported the following data for patients with and without DM: (1) demographics; (2) postspinal fusion complication rates; and (3) postoperative clinical outcomes. The included studies were then pooled and analyzed. RESULTS Twenty-eight studies, with a cumulative total of 18,853 patients (2695 diabetic patients), were identified that met the inclusion criteria. Analysis showed that diabetic patients had significantly higher rates of total number of postoperative complications (odds ratio [OR] = 1.33; 95% confidence interval [CI] = 1.12-1.58; P = 0.001), postoperative pulmonary complications (OR=2.01; 95%CI=1.31-3.08; P = 0.001), postoperative renal complications (OR=2.20; 95%CI=1.27-3.80; P = 0.005), surgical site infection (OR=2.65; 95%CI=2.19-3.20; P < 0.001), and prolonged hospital stay (OR=1.67; 95%CI=1.47-1.90; P < 0.001). CONCLUSIONS Patients with DM had a significantly higher risk of developing complications after spinal fusion, particularly pulmonary and renal complications, in addition to surgical site infections and had a longer length of stay. These findings are important for informed discussions of surgical risks with patients and families before surgery.
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Affiliation(s)
- Nicco Ruggiero
- Jacobs School of Medicine and Biomedical Sciences at University at Buffalo, Buffalo, New York, USA
| | - Mohamed A R Soliman
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences at University at Buffalo, Buffalo, New York, USA; Department of Neurosurgery, Buffalo General Medical Center, Kaleida Health, Buffalo, New York, USA; Department of Neurosurgery, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Cathleen C Kuo
- Jacobs School of Medicine and Biomedical Sciences at University at Buffalo, Buffalo, New York, USA
| | - Alexander O Aguirre
- Jacobs School of Medicine and Biomedical Sciences at University at Buffalo, Buffalo, New York, USA
| | - Esteban Quiceno
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences at University at Buffalo, Buffalo, New York, USA; Department of Neurosurgery, Buffalo General Medical Center, Kaleida Health, Buffalo, New York, USA
| | - Julian Saleh
- Jacobs School of Medicine and Biomedical Sciences at University at Buffalo, Buffalo, New York, USA
| | | | - Asham Khan
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences at University at Buffalo, Buffalo, New York, USA; Department of Neurosurgery, Buffalo General Medical Center, Kaleida Health, Buffalo, New York, USA
| | - Ryan M Hess
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences at University at Buffalo, Buffalo, New York, USA; Department of Neurosurgery, Buffalo General Medical Center, Kaleida Health, Buffalo, New York, USA
| | - Jaims Lim
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences at University at Buffalo, Buffalo, New York, USA; Department of Neurosurgery, Buffalo General Medical Center, Kaleida Health, Buffalo, New York, USA
| | - David E Smolar
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences at University at Buffalo, Buffalo, New York, USA; Department of Neurosurgery, Buffalo General Medical Center, Kaleida Health, Buffalo, New York, USA
| | - John Pollina
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences at University at Buffalo, Buffalo, New York, USA; Department of Neurosurgery, Buffalo General Medical Center, Kaleida Health, Buffalo, New York, USA
| | - Jeffrey P Mullin
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences at University at Buffalo, Buffalo, New York, USA; Department of Neurosurgery, Buffalo General Medical Center, Kaleida Health, Buffalo, New York, USA.
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Arnautovic A, Mijares J, Begagić E, Ahmetspahić A, Pojskić M. Four-level ACDF surgical series 2000-2022: a systematic review of clinical and radiological outcomes and complications. Br J Neurosurg 2024:1-12. [PMID: 38606493 DOI: 10.1080/02688697.2024.2337020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 03/26/2024] [Indexed: 04/13/2024]
Abstract
OBJECTIVE The primary objective of this investigation is to systematically scrutinize extant surgical studies delineating Four-Level Anterior Cervical Discectomy and Fusion (4L ACDF), with a specific emphasis on elucidating reported surgical indications, clinical and radiological outcomes, fusion rates, lordosis correction, and the spectrum of complication rates. METHODS The literature review was conducted in adherence to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, employing the MEDLINE (PubMed), Embase, and Scopus databases. This analysis encompasses studies implementing the 4L ACDF procedure, with detailed extraction of pertinent data pertaining to surgical methodologies, types of employed interbody cages, clinical and radiological endpoints, rates of fusion, and the incidence of complications. RESULTS Among the 15 studies satisfying inclusion criteria, a marginal increment in the year 2022 (21.4%) was discerned, with a preponderance of study representation emanating from China (35.7%) and the United States (28.6%). 50% of the studies were single-surgeon studies. Concerning follow-up, studies exhibited variability, with 42.9% concentrating on periods of five years or less, and an equivalent proportion extending beyond this timeframe. Across the amalgamated cohort of 2457 patients, males constituted 51.6%, manifesting a mean age range of 52.2-61.3 years. Indications for surgery included radiculopathy (26.9%) and myelopathy (46.9%), with a predilection for involvement at C3-7 (24.9%). Meta-analysis yielded an overall complication rate of 16.258% (CI 95%: 14.823%-17.772%). Dysphagia (4.563%), haematoma (1.525%), hoarseness (0.205%), C5 palsy (0.176%) were the most prevalent complications of 4L ACDF. Fusion rates ranging from 41.3% to 94% were documented. CONCLUSION The 4L ACDF is commonly performed to address mylopathy and radiculopathy. While the surgery carries a complication rate of around 16%, its effectiveness in achieving bone fusion can vary considerably.
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Affiliation(s)
- Alisa Arnautovic
- George Washington University School of Medicine, Washington, DC, USA
- Department of Surgery, Emory University School of Medicine, Atlanta, GA, USA
| | - Joseph Mijares
- George Washington University School of Medicine, Washington, DC, USA
| | - Emir Begagić
- Department of General Medicine, School of Medicine, University of Zenica, Zenica, Bosnia and Herzegovina
| | - Adi Ahmetspahić
- Department of Neurosurgery, Clinical Center of Sarajevo University, Sarajevo, Bosnia and Herzegovina
| | - Mirza Pojskić
- Department of Neurosurgery, University of Marburg, Marburg, Germany
- School of Medicine, Josip Juraj Strossmayr University, Osijek, Croatia
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Demetriades AK, Mavrovounis G, Deml MC, Soe KM, Buser Z, Meisel HJ. What Is the Evidence Surrounding the Cost-Effectiveness of Osteobiologic Use in ACDF Surgery? A Systematic Review of the Literature. Global Spine J 2024; 14:163S-172S. [PMID: 36592140 PMCID: PMC10913911 DOI: 10.1177/21925682221148139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
STUDY DESIGN This study constitutes a systematic review of the literature. OBJECTIVE The aim of this study was to identify and present all available studies that report on the costs of osteobiologics used in anterior cervical discectomy and fusion (ACDF). METHODS The literature was systematically reviewed to identify studies with specific inclusion criteria: (1) randomized controlled trials and observational studies, (2) in adult patients, (3) with herniated disc(s) or degenerative cervical spine disease, (4) reporting on either direct or indirect costs of using specific osteobiologics in an ACDF operation. (5) Only studies in English were included. The quality of the included studies was assessed using the MINORS and RoB 2.0 tools. RESULTS Overall, 14 articles were included; one randomized controlled trial and 13 observational studies. The most commonly used osteobiologics other than autograft/iliac crest bone graft (ICBG) were allograft and bone morphogenetic protein (BMP). None of the studies was reported to be industry-supported. There was considerable heterogeneity on the reported costs. Overall, most studies reported on surgery-related costs, such as anesthesia, operating room, surgical materials and surgeon's fee. Only two studies, both using allograft, reported the exact cost of the osteobiologic used (450 GBP, $700). Some of the studies reported on the cost of care during hospitalization for the surgical operation, such as radiology studies, emergency room costs, cardiologic evaluation, laboratory studies, pharmacy costs, and room costs. Only a few studies reported on the cost of follow-up, reoperation, and physical therapy and rehabilitation. CONCLUSION Based on the data of this current systematic review, no recommendations can be made regarding the cost-effectiveness of using osteobiologics in ACDF. Given the high costs of osteobiologics, this remains a topic of importance. The design of future studies on the subject should include cost effectiveness.
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Affiliation(s)
| | - Georgios Mavrovounis
- Department of Neurosurgery, Faculty of Medicine, University of Thessaly, Larissa, Greece
| | - Moritz C Deml
- Department of Orthopaedic and Trauma Surgery, Inselspital, University Hospital Bern, University Bern, Bern, Switzerland
| | - Kyaw Min Soe
- Department of Orthopaedics, University of Medicine (1) Yangon, Myanmar
| | - Zorica Buser
- Gerling Institute, Brooklyn, NY, USA
- Department of Orthopedic Surgery, NYU Grossman School of Medicine, New York, USA
| | - Hans Jörg Meisel
- Department of Neurosurgery, BG Klinikum Bergmannstrost Halle, Germany
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Wang T, Long Y, Guo J, Hou Z. Comparison between 3-level and 4level anterior cervical discectomy and fusion in the treatment of cervical spondylotic myelopathy: A meta-analysis. Heliyon 2023; 9:e21595. [PMID: 38027631 PMCID: PMC10663828 DOI: 10.1016/j.heliyon.2023.e21595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 10/24/2023] [Accepted: 10/24/2023] [Indexed: 12/01/2023] Open
Abstract
Objective Our objective is to estimate the clinical effectiveness of 3-level and 4-level anterior cervical discectomy and fusion (ACDF) in the management of cervical spondylotic myelopathy (CSM). Methods We conducted a thorough search in English databases. We gathered the data on surgical variables and complications to contrast the clinical effectiveness between 3-level and 4-level. We utilized RevMan 5.3 and STATA 12.0 to analyze the data. Results Finally, eight studies met inclusion criteria of this study. Our findings indicated that operation time [p for heterogeneity = 0.23, I2 = 32 %, p<0.00001, OR = -24.93, 95%CI (-32.39,-17.49)], blood loss [p for heterogeneity = 0.33, I2 = 10 %, p<0.00001, OR = -60.87, 95%CI (-85.43,-36.32)] and the total number of complications [p for heterogeneity = 0.36, I2 = 0 %, p = 0.004, OR = 0.37, 95%CI (0.18,0.72)] in 3-level ACDF were significantly less than in 4-level ACDF. No marked difference was found in hospital stay, revision rate, fusion rate, the number of readmissions, infection, hematoma, or pseudarthrosis between 3-level and 4-level ACDF. Conclusions It is easy to understand that performing 4-level needs more operation time and blood loss. No obvious discrepancy was found with regard to the subgroups of complications between the two procedures, yet 4-level procedures had a more number of complications.
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Affiliation(s)
- Tao Wang
- Department of Orthopaedic Surgery, the Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Yubin Long
- Department of Orthopaedic Surgery, the Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Junfei Guo
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Zhiyong Hou
- Department of Orthopaedic Surgery, the Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
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Young S, Osman B, Shapiro FE. Safety considerations with the current ambulatory trends: more complicated procedures and more complicated patients. Korean J Anesthesiol 2023; 76:400-412. [PMID: 36912006 PMCID: PMC10562071 DOI: 10.4097/kja.23078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 03/14/2023] Open
Abstract
In the last quarter of a century, the backdrop of appropriate ambulatory and office-based surgeries has changed dramatically. Procedures that were traditionally done in hospitals or patients being admitted after surgery are migrating to the outpatient setting and being discharged on the same day, respectively, at a remarkable rate. In the face of this exponential growth, anesthesiologists are constantly being challenged to maintain patient safety by understanding the appropriate patient selection, procedure, and surgical location. Recently published literature supports the trend of higher, more medically complex patients, and more complicated procedures shifting towards the outpatient arena. Several reasons that may account for this include cost incentives, advancement in anesthesia techniques, enhanced recovery after surgery (ERAS) protocols, and increased patient satisfaction. Anesthesiologists must understand that there is a lack of standardized state regulations regarding ambulatory surgery centers (ASCs) and office-based surgery (OBS) centers. Current and recently graduated anesthesiologists should be aware of the safety concerns related to the various non-hospital-based locations, the sustained growth and demand for anesthesia in the office, and the expansion of mobile anesthesia practices in the US in order to keep up and practice safely with the professional trends. Continuing procedural ambulatory shifts will require ongoing outcomes research, likely prospective in nature, on these novel outpatient procedures, in order to develop risk stratification and prediction models for the selection of the proper patient, procedure, and surgery location.
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Affiliation(s)
- Steven Young
- Department of Anesthesiology, 1Massachusetts Eye and Ear Infirmary, Boston, MA, USA
| | - Brian Osman
- Department of Anesthesiology, Perioperative Medicine and Pain Management, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Fred E. Shapiro
- Department of Anesthesiology, 1Massachusetts Eye and Ear Infirmary, Boston, MA, USA
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Song QX, Su XJ, Wang K, Chao-Zhu, Zhi-Chen, Quan-Li, Liu ZD, Shen HX. Is Complete Correction of Cervical Sagittal Malalignment Necessary During 4-Level Anterior Cervical Discectomy and Fusion Surgery in Patients With Kyphosis? Global Spine J 2023; 13:1311-1318. [PMID: 34263657 PMCID: PMC10416596 DOI: 10.1177/21925682211031175] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
STUDY DESIGN Retrospective analysis. OBJECTIVE We investigated whether complete correction of cervical sagittal malalignment is necessary during 4-level anterior cervical discectomy and fusion (ACDF) in patients with kyphosis. METHODS This retrospective study included 84 patients who underwent 4-level ACDF surgery at a university hospital between January 2010 and December 2015. Based on the degree of cervical lordosis correction, patients were categorized into the following groups: mild (0-10°), moderate (10-20°), and complete correction (>20°). The clinical outcomes, radiological parameters, and functional outcomes were analyzed. RESULTS We observed no significant intergroup differences in the baseline characteristics. The cervical sagittal vertical axis (CSVA) correction loss at the final follow-up was lesser in the mild- and moderate- than in the complete-correction group. The spinocranial angle (SCA) and T1 slope (T1 S) were significantly higher in the moderate- and complete-correction groups than in the mild-correction group, 3 days postoperatively. The cervical proximal junctional kyphosis (CPJK), adjacent segment degeneration (ASD), and ASD following CPJK rates were higher in the complete-correction group. We observed no significant intergroup differences in postoperative complications; however, 5 patients showed internal fixation failure in the complete-correction group; 4 of these patients required reoperation. No significant intergroup difference was observed in the Japanese Orthopedic Association and neck disability index scores at any time point. CONCLUSIONS A mild-to-moderate correction of cervical lordosis is superior to complete correction in patients with kyphosis who undergo 4-level ACDF because this approach is associated with lesser axial stress and CSVA correction loss.
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Affiliation(s)
- Qing-Xin Song
- Department of Spine Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xin-Jin Su
- Department of Spine Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Kun Wang
- Department of Spine Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Chao-Zhu
- Department of Spine Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zhi-Chen
- Department of Spine Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Quan-Li
- Department of Spine Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zu-De Liu
- Department of Spine Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Hong-Xing Shen
- Department of Spine Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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Amakiri UO, Dominy C, Kumar A, Arvind V, Pitaro NL, Kim JS, Cho SK. Previous Emergency Department Admission Is Associated With Increased 90-Day Readmission Following Cervical Spine Surgery: Evidenced Using Propensity Score Matching. Clin Spine Surg 2023; 36:E198-E205. [PMID: 36727862 DOI: 10.1097/bsd.0000000000001421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 12/01/2022] [Indexed: 02/03/2023]
Abstract
STUDY DESIGN This was a retrospective case-control study. OBJECTIVE The objective of this study was to evaluate whether prior emergency department admission was associated with an increased risk for 90-day readmission following elective cervical spinal fusion. SUMMARY OF BACKGROUND DATA The incidence of cervical spine fusion reoperations has increased, necessitating the improvement of patient outcomes following surgery. Currently, there are no studies assessing the impact of emergency department visits before surgery on the risk of 90-day readmission following elective cervical spine surgery. This study aimed to fill this gap and identify a novel risk factor for readmission following elective cervical fusion. METHODS The 2016-2018 Nationwide Readmissions Database was queried for patients aged 18 years and older who underwent an elective cervical fusion. Prior emergency admissions were defined using the variable HCUP_ED in the Nationwide Readmissions Database database. Univariate analysis of patient demographic details, comorbidities, discharge disposition, and perioperative complication was evaluated using a χ 2 test followed by multivariate logistic regression. RESULTS In all, 2766 patients fit the inclusion criteria, and 18.62% of patients were readmitted within 90 days. Intraoperative complications, gastrointestinal complications, valvular, uncomplicated hypertension, peripheral vascular disorders, chronic obstructive pulmonary disease, cancer, and experiencing less than 3 Charlson comorbidities were identified as independent predictors of 90-day readmission. Patients with greater than 3 Charlson comorbidities (OR=0.04, 95% CI 0.01-0.12, P <0.001) and neurological complications (OR=0.29, 95% CI 0.10-0.86, P =0.026) had decreased odds for 90-day readmission. Importantly, previous emergency department visits within the calendar year before surgery were a new independent predictor of 90-day readmission (OR=9.74, 95% CI 6.86-13.83, P <0.001). CONCLUSIONS A positive association exists between emergency department admission history and 90-day readmission following elective cervical fusion. Screening cervical fusion patients for this history and optimizing outcomes in those patients may reduce 90-day readmission rates.
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Affiliation(s)
- Uchechukwu O Amakiri
- Department of Orthopedic Surgery, Icahn School of Medicine at Mount Sinai, New York City, NY
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Ye J, Zielinski E, Richardson S, Petrone B, McCarthy MM, Boody B. Is It Safe to Perform True Outpatient Multilevel ACDFs in a Surgery Center? Clin Spine Surg 2023; 36:151-153. [PMID: 36727974 DOI: 10.1097/bsd.0000000000001415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 12/13/2022] [Indexed: 02/03/2023]
Affiliation(s)
- Jason Ye
- Indiana Spine Group, Carmel Carmel
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11
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The Impact of Single-Level ACDF on Neural Foramen and Disc Height of Surgical and Adjacent Cervical Segments: A Case-Series Radiological Analysis. Brain Sci 2023; 13:brainsci13010101. [PMID: 36672082 PMCID: PMC9857145 DOI: 10.3390/brainsci13010101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/01/2023] [Accepted: 01/03/2023] [Indexed: 01/06/2023] Open
Abstract
Background: ACDF has become one of the established procedures for the surgical treatment of symptomatic cervical spondylosis, showing excellent clinical results and effective improvements in neural functions and neck pain relief. The main purpose of ACDF is neural decompression, and it is considered by some authors as an indirect result of the intervertebral distraction and cage insertion and the consequent restoration of the disc space and foramen height. Methods: Radiological data from 28 patients who underwent single-level ACDF were retrospectively collected and evaluated. For neural foramen evaluation, antero-posterior (A-P) and cranio-caudal (C-C) diameters were manually calculated; for intervertebral disc height the anterior, centrum and posterior measurement were calculated. All measurements were performed at surgical and adjacent (above and below) segments. NRS, NDI and also the mJOA and Nurick scale were collected for clinical examination and complete evaluation of patients’ postoperative outcome. Results: The intervertebral disc height in all its measurements, in addition to the height (C-C diameter) of the foramen (both right and left) increase at the surgical segment when comparing pre and postop results (p < 0.001, and p = 0.033 and p = 0.001). NRS and NDI radiculopathy scores showed improved results from pre- to post-op evaluation (p < 0.001), and a negative statistical correlation with the improved disc height at the surgical level. Conclusions: The restoration of posterior disc height through cage insertion appears to be effective in increasing foraminal height in patients with symptomatic preoperative cervical foraminal stenosis.
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12
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Muacevic A, Adler JR, Ihionkhan E, Vingan R, Khan MF, Azmi H, Karimi R, Roth PA. Assessment of Spine Patient Preferences for the Location of Surgery Between a Hospital and an Ambulatory Surgical Center in the Time of COVID-19: An Analysis of Patient Surveys. Cureus 2022; 14:e31655. [PMID: 36545174 PMCID: PMC9760451 DOI: 10.7759/cureus.31655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/18/2022] [Indexed: 11/21/2022] Open
Abstract
Introduction There has been a recent increase in the number of spinal procedures that can be performed in ambulatory surgical centers (ASCs). Studies have found that patients who undergo procedures at ASCs tend to have lower complication rates following procedures, including lower infection rates. Furthermore, ASCs offer significantly lower costs of procedures to patients and health insurance companies as compared to the costs of procedures performed in a hospital. Despite precautions and screening in place by ASCs, patients may be hesitant to undergo procedures outside of the hospital. Conversely, the ongoing COVID-19 pandemic has created hesitancy for many to go to the hospital for care due to the presence of COVID patients. Objective To assess patient preferences in the location of elective spine procedures between ASCs and hospitals, the authors conducted a survey of spine surgery candidates in a single practice. Methods A survey measuring patient age, vaccination status, fear of contracting COVID-19, and preference of surgery location was given to spinal surgery candidates at a single practice between fall 2021 and winter 2022. Statistical differences between the means of response groups were measured by a two-sample Z-score test. Results A total of 58 surveys were completed by patients. No difference in preference was observed by age. A difference was observed between genders, with 66% of females preferring ASCs to 40% of males (α=0.03). Patients with a fear of contracting COVID-19 preferred to have their procedure performed in an ASC. No difference was observed in location due to vaccination status, but unvaccinated patients had a significantly lower fear of contracting COVID-19 (α=0.02). Conclusion The differences in patient preferences have no clear cause, highlighting the need for better patient education in regard to the risks and benefits of each location of surgery. The fear of contracting COVID-19 on the day of surgery appears to be more ideological than rational for unvaccinated patients, who had less fear of contracting COVID-19 than vaccinated patients, despite being more likely to contract COVID-19 than vaccinated patients.
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Hartman TJ, Nie JW, Pawlowski H, Prabhu MC, Vanjani NN, Singh K. Impact of age within younger populations on outcomes following cervical surgery in the ambulatory setting. J Clin Orthop Trauma 2022; 34:102016. [PMID: 36164388 PMCID: PMC9508464 DOI: 10.1016/j.jcot.2022.102016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/30/2022] [Accepted: 09/07/2022] [Indexed: 11/27/2022] Open
Abstract
Objective To determine the effect of age within the younger population seen at ambulatory surgical centers on patient-reported outcome measures (PROMs) after cervical spine surgery. Methods Patients of age <65 years undergoing single-level anterior cervical discectomy and fusion (ACDF) or cervical disc replacement (CDR) were included. Patients were divided by mean age of initial population (46 years). PROMs included Patient-reported Outcome Measurement Information System Physical Function (PROMIS-PF), 12-Item Short-Form Physical Component Survey (SF-12 PCS), Visual Analog Scale (VAS) neck, VAS arm, Neck Disability Index (NDI) collected preoperatively and at postoperative time points up to 2 years. Results 138 patients were included, with 66 patients <46 years. Both cohorts demonstrated improvement from preoperative baseline with regard to all studied PROMs at multiple time points postoperatively (p ≤ 0.042, all). Between groups, the older cohort demonstrated greater mean PROMIS-PF scores preoperatively and at 6 weeks (p ≤ 0.011, both), while VAS arm scores were lower in the older group at 1 year (p = 0.002), and NDI scores were lower in the older group at 6 weeks and 1 year (p < 0.027, both). Minimal Clinically Important Difference (MCID) achievement rates were greater in the younger group in PROMIS PF at 2 years (p = 0.002), and in the older group in VAS arm score at 1 year (p = 0.007). Conclusion Both cohorts showed significant improvement at multiple postoperative time points for all PROMs. Between groups, the older group reported more favorable physical function, VAS arm, and NDI scores at several time points. However, MCID achievement rates only significantly differed in two PROMs at singular time points. Difference in age in patients <65 years likely does not significantly affect long-term outcomes after cervical spine surgery.
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Affiliation(s)
- Timothy J. Hartman
- Department of Orthopaedic Surgery, Rush University Medical Center, 1611 W. Harrison St. Suite #300, Chicago, IL, 60612, USA
| | - James W. Nie
- Department of Orthopaedic Surgery, Rush University Medical Center, 1611 W. Harrison St. Suite #300, Chicago, IL, 60612, USA
| | - Hanna Pawlowski
- Department of Orthopaedic Surgery, Rush University Medical Center, 1611 W. Harrison St. Suite #300, Chicago, IL, 60612, USA
| | - Michael C. Prabhu
- Department of Orthopaedic Surgery, Rush University Medical Center, 1611 W. Harrison St. Suite #300, Chicago, IL, 60612, USA
| | - Nisheka N. Vanjani
- Department of Orthopaedic Surgery, Rush University Medical Center, 1611 W. Harrison St. Suite #300, Chicago, IL, 60612, USA
| | - Kern Singh
- Department of Orthopaedic Surgery, Rush University Medical Center, 1611 W. Harrison St. Suite #300, Chicago, IL, 60612, USA
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14
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Carlson BC, Dawson JM, Beauchamp EC, Mehbod AA, Mueller B, Alcala C, Mullaney KJ, Perra JH, Pinto MR, Schwender JD, Shafa E, Transfeldt EE, Garvey TA. Choose Wisely: Surgical Selection of Candidates for Outpatient Anterior Cervical Surgery Based on Early Complications Among Inpatients. J Bone Joint Surg Am 2022; 104:1830-1840. [PMID: 35869896 DOI: 10.2106/jbjs.21.01356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Anterior cervical discectomy and fusion (ACDF) and cervical disc arthroplasty (CDA) are attractive targets for transition to the outpatient setting. We assessed the prevalence of rapid responses and major complications in the inpatient setting following 1 or 2-level ACDFs and CDAs. We evaluated factors that may place patients at greater risk for a rapid response or a postoperative complication. METHODS This was an institutional review board-approved, retrospective cohort study of adults undergoing 1 or 2-level ACDF or CDA at 1 hospital over a 2-year period (2018 and 2019). Data on patient demographic characteristics, surgical procedures, and comorbidities were collected. Rapid response events were identified by hospital floor staff and involved acute changes in a patient's clinical condition. Complications were events that were life-threatening, required an intervention, or led to delayed hospital discharge. RESULTS In this study, 1,040 patients were included: 888 underwent ACDF and 152 underwent CDA. Thirty-six patients (3.5%) experienced a rapid response event; 22% occurred >24 hours after extubation. Patients having a rapid response event had a significantly higher risk of developing a complication (risk ratio, 10; p < 0.01) and had a significantly longer hospital stay. Twenty-four patients (2.3%) experienced acute complications; 71% occurred >6 hours after extubation. Patients with a complication were older and more likely to be current or former smokers, have chronic obstructive pulmonary disease, have asthma, and have an American Society of Anesthesiologists (ASA) score of >2. The length of the surgical procedure was significantly longer in patients who developed a complication. All patients who developed dysphagia had a surgical procedure involving C4-C5 or more cephalad. Patients with a rapid response event or complication were more commonly undergoing revision surgical procedures. CONCLUSIONS Rapid response and complications are uncommon following 1 or 2-level ACDFs or CDAs but portend a longer hospital stay and increased morbidity. Revision surgical procedures place patients at higher risk for rapid responses and complications. Additionally, older patients, patients with chronic obstructive pulmonary disease or asthma, patients who are current or former smokers, and patients who have an ASA score of ≥3 are at increased risk for postoperative complications. LEVEL OF EVIDENCE Prognostic Level III . See Instructions for Authors for a complete description of levels of evidence.
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Zhou K, Ji L, Pang S, Tang Y, Liu C. Predictive nomogram of cage nonunion after anterior cervical discectomy and fusion: A retrospective study in a spine surgery center. Medicine (Baltimore) 2022; 101:e30763. [PMID: 36181102 PMCID: PMC9524884 DOI: 10.1097/md.0000000000030763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
The cage nonunion may cause serious consequences, including recurrent pain, radiculopathy, and kyphotic deformity. The risk factors for nonunion following anterior cervical discectomy and fusion (ACDF) are controversial. The aim of the study is to investigate the risk factors for nonunion in cervical spondylotic cases after ACDF. We enrolled 58 and 692 cases in the nonunion and union group respectively and followed up the cases at least 6 months. Patient demographic information, surgical details, cervical sagittal parameters, and the serum vitamin D level were collected. A logistic regression was performed to determine the independent predictors for nonunion, which were used for establishing a nomogram. In order to estimate the reliability and the net benefit of nomogram, we applied a receiver operating characteristic curve analysis, calibration curves and plotted decision curves. Using the multivariate logistic regression, we found that age (odds ratio [OR] = 1.16, P < .001), smoking (OR = 3.41, P = .001), angle of C2 to C7 (OR = 1.53, P < .001), number of operated levels (2 levels, OR = 0.42, P = .04; 3 levels, OR = 1.32, P = .54), and serum vitamin D (OR = 0.81, P < .001) were all significant predictors of nonunion (Table 3). The area under the curve of the model training cohort and validation cohort was 0.89 and 0.87, respectively. The calibration curves showed that the predicted outcome fitted well to the observed outcome in the training cohort (P = .102,) and validation cohort (P = .125). The decision curves showed the nomogram had more benefits than the All or None scheme if the threshold probability is >10% and <100% in training cohort and validation cohort. We found that age, smoking, angle of C2 to C7, number of operated levels, and serum vitamin D were all significant predictors of nonunion.
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Affiliation(s)
- Kai Zhou
- Department of Trauma Surgery, The People’s Hospital of Dongying District, Dongying, Shandong Province, China
| | - Longfei Ji
- Department of Trauma Surgery, The People’s Hospital of Dongying District, Dongying, Shandong Province, China
| | - Shuwei Pang
- Department of Trauma Surgery, The People’s Hospital of Dongying District, Dongying, Shandong Province, China
| | - You Tang
- Department of Orthopaedics and Joint Surgery, Binzhou People’s Hospital, Dongying, Shandong Province, China
| | - Changliang Liu
- Department of Trauma Surgery, The People’s Hospital of Dongying District, Dongying, Shandong Province, China
- *Correspondence: Changliang Liu, Trauma Surgery, The People’s Hospital of Dongying District, No. 333 Jinan Road, Dongying City, Shandong Province, China (e-mail: )
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16
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Shuman WH, Neifert SN, Gal JS, Snyder DJ, Deutsch BC, Zimering JH, Rothrock RJ, Caridi JM. The Impact of Diabetes on Outcomes and Health Care Costs Following Anterior Cervical Discectomy and Fusion. Global Spine J 2022; 12:780-786. [PMID: 33034217 PMCID: PMC9344522 DOI: 10.1177/2192568220964053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
STUDY DESIGN Retrospective cohort study. OBJECTIVES Anterior cervical discectomy and fusion (ACDF) is commonly used to treat an array of cervical spine pathology and is associated with good outcomes and low complication rates. Diabetes mellitus (DM) is a common comorbidity for patients undergoing ACDF, but the literature is equivocal about the impact it has on outcomes. Because DM is a highly prevalent comorbidity, it is crucial to determine if it is an associated risk factor for outcomes after ACDF procedures. METHODS Patients at a single institution from 2008 to 2016 undergoing ACDF were compared on the basis of having a prior diagnosis of DM versus no DM. The 2 cohorts were compared utilizing univariate tests and multivariate logistic and linear regressions. RESULTS Data for 2470 patients was analyzed. Diabetic patients had significantly higher Elixhauser scores (P < .0001). Univariate testing showed diabetic patients were more likely to suffer from sepsis (0.82% vs 0.10%, P = .03) and bleeding complications (3.0% vs 1.5%, P = .04). In multivariate analyses, diabetic patients had higher rates of non-home discharge (odds ratio [OR] = 1.37, 95% confidence interval [CI] = 1.07-1.75, P = .013) and prolonged length of stay (OR = 1.95, 95% CI = 1.25-3.05, P = .003), but similar complication (OR = 1.46, 95% CI = 0.85-2.52, P = .17), reoperation (OR = 0.77, 95% CI = 0.33-1.81, P = .55), and 90-day readmission (OR = 1.53, 95% CI = 0.97-2.43) rates compared to nondiabetic patients. Direct cost was also shown to be similar between the cohorts after adjusting for patient, surgical, and hospital-related factors (estimate = -$30.25, 95% CI = -$515.69 to $455.18, P = .90). CONCLUSIONS Diabetic patients undergoing ACDF had similar complication, reoperation, and readmission rates, as well as similar cost of care compared to nondiabetic patients.
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Affiliation(s)
- William H. Shuman
- Icahn School of Medicine at Mount
Sinai, New York, NY, USA,Will Shuman, Department of Neurosurgery,
Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Place, New York, NY
10029, USA.
| | | | | | | | | | | | | | - John M. Caridi
- Icahn School of Medicine at Mount
Sinai, New York, NY, USA
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Sastry RA, Hagan MJ, Feler J, Shaaya EA, Sullivan PZ, Abinader JF, Camara JQ, Niu T, Fridley JS, Oyelese AA, Sampath P, Telfeian AE, Gokaslan ZL, Toms SA, Weil RJ. Influence of Time of Discharge and Length of Stay on 30-Day Outcomes After Elective Anterior Cervical Spine Surgery. Neurosurgery 2022; 90:734-742. [PMID: 35383699 DOI: 10.1227/neu.0000000000001893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 12/05/2021] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Encouraging early time of discharge (TOD) for medical inpatients is commonplace and may potentially improve patient throughput. It is unclear, however, whether early TOD after elective spine surgery achieves this goal without a consequent increase in re-presentations to the hospital. OBJECTIVE To evaluate whether early TOD results in increased rates of hospital readmission or return to the emergency department after elective anterior cervical spine surgery. METHODS We analyzed 686 patients who underwent elective uncomplicated anterior cervical spine surgery at a single institution. Logistic regression was used to evaluate the relationship between sociodemographic, procedural, and discharge characteristics, and the outcomes of readmission or return to the emergency department and TOD. RESULTS In multiple logistic regression, TOD was not associated with increased risk of readmission or return to the emergency department within 30 days of surgery. Weekend discharge (odds ratio [OR] 0.33, 95% CI 0.21-0.53), physical therapy evaluation (OR 0.44, 95% CI 0.28-0.71), and occupational therapy evaluation (OR 0.32, 95% CI 0.17-0.63) were all significantly associated with decreased odds of discharge before noon. Disadvantaged status, as measured by area of deprivation index, was associated with increased odds of readmission or re-presentation (OR 1.86, 95% CI 0.95-3.66), although this result did not achieve statistical significance. CONCLUSION There does not appear to be an association between readmission or return to the emergency department and early TOD after elective spine surgery. Overuse of inpatient physical and occupational therapy consultations may contribute to decreased patient throughput in surgical admissions.
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Affiliation(s)
- Rahul A Sastry
- Department of Neurosurgery, Warren Alpert School of Medicine, Brown University, Providence, Rhode Island, USA
| | - Matthew J Hagan
- Department of Neurosurgery, Warren Alpert School of Medicine, Brown University, Providence, Rhode Island, USA
| | - Joshua Feler
- Department of Neurosurgery, Warren Alpert School of Medicine, Brown University, Providence, Rhode Island, USA
| | - Elias A Shaaya
- Department of Neurosurgery, Warren Alpert School of Medicine, Brown University, Providence, Rhode Island, USA
| | - Patricia Z Sullivan
- Department of Neurosurgery, Warren Alpert School of Medicine, Brown University, Providence, Rhode Island, USA
| | - Jose Fernandez Abinader
- Department of Neurosurgery, Warren Alpert School of Medicine, Brown University, Providence, Rhode Island, USA
| | - Joaquin Q Camara
- Department of Neurosurgery, Warren Alpert School of Medicine, Brown University, Providence, Rhode Island, USA
| | - Tianyi Niu
- Department of Neurosurgery, Warren Alpert School of Medicine, Brown University, Providence, Rhode Island, USA
| | - Jared S Fridley
- Department of Neurosurgery, Warren Alpert School of Medicine, Brown University, Providence, Rhode Island, USA
| | - Adetokunbo A Oyelese
- Department of Neurosurgery, Warren Alpert School of Medicine, Brown University, Providence, Rhode Island, USA
| | - Prakash Sampath
- Department of Neurosurgery, Warren Alpert School of Medicine, Brown University, Providence, Rhode Island, USA
| | - Albert E Telfeian
- Department of Neurosurgery, Warren Alpert School of Medicine, Brown University, Providence, Rhode Island, USA
| | - Ziya L Gokaslan
- Department of Neurosurgery, Warren Alpert School of Medicine, Brown University, Providence, Rhode Island, USA
| | - Steven A Toms
- Department of Neurosurgery, Warren Alpert School of Medicine, Brown University, Providence, Rhode Island, USA
| | - Robert J Weil
- Southcoast Health Brain & Spine, Dartmouth, Massachusetts, USA
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18
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Cha EDK, Lynch CP, Hrynewycz NM, Geoghegan CE, Mohan S, Jadczak CN, Parrish JM, Jenkins NW, Singh K. Spine Surgery Complications in the Ambulatory Surgical Center Setting: Systematic Review. Clin Spine Surg 2022; 35:118-126. [PMID: 34183543 DOI: 10.1097/bsd.0000000000001225] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 06/01/2021] [Indexed: 11/26/2022]
Abstract
STUDY DESIGN This was a systematic review study. PURPOSE This study aims to review current literature to determine the rates of complications in relation to spine surgery in ambulatory surgery centers (ASC). BACKGROUND Recent improvements in anesthesia, surgical techniques, and technological advances have facilitated a rise in the use of ASC. Despite the benefits and lower costs associated with ASCs, there is inconsistent reporting of complication rates. METHODS This systematic review was completed utilizing the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). Pertinent studies were identified through Embase and PubMed databases using the search string ((("ambulatory surgery center") AND "spine surgery") AND "complications"). Articles were excluded if they did not report outpatient surgery in an ASC, did not define complications, were in a language other than English, were non-human studies, or if the articles were classified as reviews, book chapters, single case reports, or small case series (≤10 patients). The primary outcome was the frequency of complications with respect to various categories. RESULTS Our query identified 150 articles. After filtering relevance by title, abstract, and full text, 22 articles were included. After accounting for 2 studies that were conducted on the same study sample, a total of 11,245 patients were analyzed in this study. The most recent study reported results from May 2019. While 5 studies did not list their surgical technique, studies reported techniques including open (6), minimally invasive surgery (2), endoscopic (4), microsurgery (1), and combined techniques (4). The following rates of complications were determined: cardiac 0.29% (3/1027), vascular 0.25% (18/7116), pulmonary 0.60% (11/1839), gastrointestinal 1.12% (2/179), musculoskeletal/spine/operative 0.59% (24/4053), urologic 0.80% (2/250), transient neurological 0.67% (31/4616), persistent neurological 0.61% (9/1479), pain related 0.57% (20/3479), and wound site 0.68% (28/4092). CONCLUSIONS After literature review, this is the first study to comprehensively analyze the current state of literature reporting on the complication profile of all ASC spine surgery procedures. The most common complications were gastrointestinal (1.12%) and the most infrequent were vascular (0.25%). Case reports varied significantly with regard to the type and rate of complications reported. This study provides complication profiles to assist surgeons in counseling patients on the most realistic expectations.
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Affiliation(s)
- Elliot D K Cha
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL
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19
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Bakare AA, Smitherman AD, Fontes RBV, O'Toole JE, Deutsch H, Traynelis VC. Clinical outcomes after 4- and 5-level Anterior Cervical Discectomy and Fusion for treatment of symptomatic multilevel cervical spondylosis. World Neurosurg 2022; 163:e363-e376. [PMID: 35367642 DOI: 10.1016/j.wneu.2022.03.119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/26/2022] [Accepted: 03/28/2022] [Indexed: 11/16/2022]
Abstract
OBJECTIVE There are limited patient-reported outcome measure (PROM) data on 4- and 5-level ACDF. The largest series to date solely focused on complications. This retrospective series evaluates PROMs after 4- and 5-level ACDF. METHODS Pertinent data from adult patients treated with a 4- or 5-level ACDF in 2011-2019 were analyzed. PROMs and minimal clinically important differences (MCID) were assessed. Factors associated with favorable and unfavorable outcomes were identified. RESULTS There were thirty-four patients (thirty underwent 4-level and four underwent 5-level ACDFs) with mean age of 59.6; 55.9% were women. At 3 months, there were significant improvements in PROMs except SF-12 MCS with modest improvement. At 12 months, there were significant improvements in PROMs except SF-12 PCS with moderate improvement. The proportions of patients that met the MCID cut-offs ranged from 35.3% (NRS-neck) to 75% (VR-12 PCS) at 3 months and 38.2% (NRS-arm) to 65.5% (VR-12 MCS) at 12 months. Shorter symptom duration was associated with significantly reduced postoperative pain and NDI scores. Shorter length of stay was associated with significantly improved postoperative functional outcomes. 4-level compared 5-level ACDF patients achieved better postoperative PROMs. Shorter procedure duration was associated with improved PROMs at 3 months. No patients returned to the operating room within 30 days. Patients that required reoperation achieved significantly inferior NDI, NRS-neck, and SF-12 PCS at 3 months. CONCLUSIONS This study demonstrated satisfactory PROMs up to 12 months after 4- and 5-level ACDF despite the complication rate. With thorough preoperative planning and meticulous technique, performing this procedure in carefully selected patients may be associated with acceptable PROM.
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Affiliation(s)
- Adewale A Bakare
- Department of Neurosurgery, Rush University Medical Center, Chicago, IL
| | | | | | - John E O'Toole
- Department of Neurosurgery, Rush University Medical Center, Chicago, IL
| | - Harel Deutsch
- Department of Neurosurgery, Rush University Medical Center, Chicago, IL
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20
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Bovonratwet P, Retzky JS, Chen AZ, Ondeck NT, Samuel AM, Qureshi SA, Grauer JN, Albert TJ. Ambulatory Single-level Posterior Cervical Foraminotomy for Cervical Radiculopathy: A Propensity-matched Analysis of Complication Rates. Clin Spine Surg 2022; 35:E306-E313. [PMID: 34654773 DOI: 10.1097/bsd.0000000000001252] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 09/15/2021] [Indexed: 11/26/2022]
Abstract
STUDY DESIGN Retrospective cohort comparison study. OBJECTIVE The aim was to compare perioperative complications and 30-day readmission between ambulatory and inpatient posterior cervical foraminotomy (PCF) in the American College of Surgeons National Surgical Quality Improvement Program (NSQIP) database. SUMMARY OF BACKGROUND DATA Single-level PCF for cervical radiculopathy is increasingly being performed as an ambulatory procedure. Despite this increase, there is a lack of published literature documenting the safety of ambulatory PCF. MATERIALS AND METHODS Patients who underwent PCF (through laminotomy or laminectomy) were identified in the 2005-2018 NSQIP database. Ambulatory procedures were defined as cases that had hospital length of stay=0 days. Inpatient procedures were defined as cases that had length of stay=1-4 days. Patient characteristics, comorbidities, and procedural variables (laminotomy or laminectomy performed) were compared between the 2 cohorts. Propensity score matched comparisons were then performed for postoperative complications and 30-day readmissions between the 2 groups. RESULTS In total, 795 ambulatory and 1789 inpatient single-level PCF cases were identified. After matching, there were 795 ambulatory and 795 inpatient cases. Statistical analysis after propensity score matching revealed no significant difference in individual complications including 30-day readmission, thromboembolic events, wound complications, and reoperation, or aggregated complications between ambulatory versus matched inpatient procedures. Overall 30-day readmissions after ambulatory single-level PCF were noted for 2.46% of the study population, and the most common reasons were surgical site infections (46%) and pain control (15%). CONCLUSIONS The perioperative outcomes assessed in this study support the conclusion that single-level PCF for cervical radiculopathy can be performed for correctly selected patients in the ambulatory setting without increased rates of 30-day perioperative complications or readmissions compared with inpatient procedures. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
| | - Julia S Retzky
- Department of Orthopaedic Surgery, Hospital for Special Surgery
| | | | | | - Andre M Samuel
- Department of Orthopaedic Surgery, Hospital for Special Surgery
| | | | - Jonathan N Grauer
- Department of Orthopaedics and Rehabilitation, Yale School of Medicine, New Haven, CT
| | - Todd J Albert
- Department of Orthopaedic Surgery, Hospital for Special Surgery
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21
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Chapman EK, Doctor T, Gal JS, Shuman WH, Neifert SN, Martini ML, McNeill IT, Rothrock RJ, Schupper AJ, Caridi JM. The Impact of Non-Elective Admission on Cost of Care and Length of Stay in Anterior Cervical Discectomy and Fusion: A Propensity-Matched Analysis. Spine (Phila Pa 1976) 2021; 46:1535-1541. [PMID: 34027927 DOI: 10.1097/brs.0000000000004127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Retrospective cohort study. OBJECTIVE To evaluate the impact of admission status on patient outcomes and healthcare costs in anterior cervical discectomy and fusion (ACDF). SUMMARY OF BACKGROUND DATA Undergoing ACDF non-electively has been associated with higher patient comorbidity burdens. However, the impact of non-elective status on the total cost of hospital stay has yet to be quantified. METHODS Patients undergoing ACDF at a single institution were placed into elective or non-elective cohorts. Propensity score-matching analysis in a 5:1 ratio controlling for insurance type and comorbidities was used to minimize selection bias. Demographics were compared by univariate analysis. Cost of care, length of stay (LOS), and clinical outcomes were compared between groups using multivariable linear and logistic regression with elective patients as reference cohort. All analyses controlled for sex, preoperative diagnosis, elixhauser comorbidity index (ECI), age, length of surgery, number of segments fused, and insurance type. RESULTS Of 708 patients in the final ACDF cohort, 590 underwent an elective procedure and 118 underwent a non-elective procedure. The non-elective group was significantly younger (53.7 vs. 49.5 yr; P = 0.0007). Cohorts had similar proportions of private versus public health insurance, although elective had higher rates of commercial insurance (39.22% vs. 15.25%; P < 0.0001) and non-elective had higher rates of managed care (32.77% vs. 56.78%; P < 0.0001). Operation duration was significantly longer in non-elective patients (158 vs. 177 minutes; P = 0.01). Adjusted analysis also demonstrated that admission status independently affected cost (+$6877, 95% confidence interval [CI]: $4906-$8848; P < 0.0001) and LOS (+4.9 days, 95% CI: 3.9-6.0; P < 0.0001) for the non-elective cohort. The non-elective cohort was significantly more likely to return to the operating room (OR: 3.39; 95% CI: 1.37-8.36, P = 0.0008) and experience non-home discharge (OR: 10.95; 95% CI: 5.00-24.02, P < 0.0001). CONCLUSION Patients undergoing ACDF non-electively had higher cost of care and longer LOS, as well as higher rates of postoperative adverse outcomes.Level of Evidence: 3.
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Affiliation(s)
- Emily K Chapman
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Tahera Doctor
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Jonathan S Gal
- Department of Anesthesia, Perioperative and Pain Medicine, Icahn School of Medicine at Mount Sinai, New York, NY
| | - William H Shuman
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Sean N Neifert
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Michael L Martini
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Ian T McNeill
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Robert J Rothrock
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Alexander J Schupper
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY
| | - John M Caridi
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY
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22
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Littlefield CP, Parola R, Furgiuele D, Konda S, Egol KA. Regional anesthesia for nonunion surgery with iliac crest bone grafting results in an increase in same day discharge. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2021; 32:1187-1193. [PMID: 34410505 DOI: 10.1007/s00590-021-03097-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Accepted: 08/12/2021] [Indexed: 11/28/2022]
Abstract
INTRODUCTION The purpose of this study was to evaluate the outcomes of fracture nonunion repair with autogenous iliac crest bone graft (ICBG) under regional anesthesia alone or in combination with other techniques compared to other anesthesia techniques. MATERIALS AND METHODS Overall, 137 patients were identified who underwent ICBG as part of a repair of a long bone fracture nonunion between January 1, 2013 and October 1, 2020. Surgical and anesthetic records were reviewed to classify patients by anesthesia type. General, spinal, and regional anesthetics were used as either the primary anesthetic or as a combination of regional nerve block with general or spinal anesthesia. RESULTS Administration of regional anesthesia alone or in combination with general or spinal anesthesia (RA) and general or spinal anesthesia only (GS) groups differed in nonunion site distribution (p < 0.001). RA patients were discharged the same day more often than GS patients (30.9% vs 10.0%, p = 0.009) and experienced fewer postoperative complications (p = 0.021). The RA group achieved union sooner than the GS group (by 5.3 ± 3.2 months vs. by 6.8 ± 3.2 months, p = 0.006). Mean morphine equivalent dose was similar between groups (p = 0.23). Regional anesthesia use increased from 2013 to 2020, and same day discharge surgeries simultaneously increased over the same time period. CONCLUSION Regional anesthesia use increased in nonunion repair surgery with ICBG from 2013 to 2020. This was associated with an increase in same day discharge, sooner time to union, and decreased postoperative complications. There was not a need for increased opioid prescription in patients that underwent regional anesthesia.
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Affiliation(s)
- Connor P Littlefield
- Department of Orthopedic Surgery, NYU Langone Health, NYU Langone Orthopedic Hospital, 301 E 17th St, Suite 1402, New York, NY, 10003, USA
| | - Rown Parola
- Department of Orthopedic Surgery, NYU Langone Health, NYU Langone Orthopedic Hospital, 301 E 17th St, Suite 1402, New York, NY, 10003, USA
| | - David Furgiuele
- Department of Orthopedic Surgery, NYU Langone Health, NYU Langone Orthopedic Hospital, 301 E 17th St, Suite 1402, New York, NY, 10003, USA
| | - Sanjit Konda
- Department of Orthopedic Surgery, NYU Langone Health, NYU Langone Orthopedic Hospital, 301 E 17th St, Suite 1402, New York, NY, 10003, USA
| | - Kenneth A Egol
- Department of Orthopedic Surgery, NYU Langone Health, NYU Langone Orthopedic Hospital, 301 E 17th St, Suite 1402, New York, NY, 10003, USA.
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23
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Kimura A, Takeshita K, Yoshii T, Egawa S, Hirai T, Sakai K, Kusano K, Nakagawa Y, Wada K, Katsumi K, Fujii K, Furuya T, Nagoshi N, Kanchiku T, Nagamoto Y, Oshima Y, Nakashima H, Ando K, Takahata M, Mori K, Nakajima H, Murata K, Matsunaga S, Kaito T, Yamada K, Kobayashi S, Kato S, Ohba T, Inami S, Fujibayashi S, Katoh H, Kanno H, Watanabe K, Imagama S, Koda M, Kawaguchi Y, Nakamura M, Matsumoto M, Yamazaki M, Okawa A. Impact of Diabetes Mellitus on Cervical Spine Surgery for Ossification of the Posterior Longitudinal Ligament. J Clin Med 2021; 10:jcm10153375. [PMID: 34362158 PMCID: PMC8347558 DOI: 10.3390/jcm10153375] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 07/25/2021] [Accepted: 07/26/2021] [Indexed: 01/12/2023] Open
Abstract
Ossification of the posterior longitudinal ligament (OPLL) is commonly associated with diabetes mellitus (DM); however, the impact of DM on cervical spine surgery for OPLL remains unclear. This study was performed to evaluate the influence of diabetes DM on the outcomes following cervical spine surgery for OPLL. In total, 478 patients with cervical OPLL who underwent surgical treatment were prospectively recruited from April 2015 to July 2017. Functional measurements were conducted at baseline and at 6 months, 1 year, and 2 years after surgery using JOA and JOACMEQ scores. The incidence of postoperative complications was categorized into early (≤30 days) and late (>30 days), depending on the time from surgery. From the initial group of 478 patients, 402 completed the 2-year follow-up and were included in the analysis. Of the 402 patients, 127 (32%) had DM as a comorbid disease. The overall incidence of postoperative complications was significantly higher in patients with DM than in patients without DM in both the early and late postoperative periods. The patients with DM had a significantly lower JOA score and JOACMEQ scores in the domains of lower extremity function and quality of life than those without DM at the 2-year follow-up.
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Affiliation(s)
- Atsushi Kimura
- Department of Orthopedics, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke 329-0498, Tochigi, Japan;
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Correspondence:
| | - Katsushi Takeshita
- Department of Orthopedics, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke 329-0498, Tochigi, Japan;
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
| | - Toshitaka Yoshii
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo Ward, Tokyo 113-8519, Japan
| | - Satoru Egawa
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo Ward, Tokyo 113-8519, Japan
| | - Takashi Hirai
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo Ward, Tokyo 113-8519, Japan
| | - Kenichiro Sakai
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Saiseikai Kawaguchi General Hospital, 5-11-5 Nishikawaguchi, Kawaguchishi, Saitama 332-8558, Japan
| | - Kazuo Kusano
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Kudanzaka Hospital, 1-6-12 Kudanminami, Chiyodaku 102-0074, Japan
| | - Yukihiro Nakagawa
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopaedic Surgery, Wakayama Medical University Kihoku Hospital, 219 Myoji, Katsuragi-cho, Itogun, Wakayama 649-7113, Japan
| | - Kanichiro Wada
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifucho, Hirosaki, Aomori 036-8562, Japan
| | - Keiichi Katsumi
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Niigata University Medical and Dental General Hospital, 1-754 Asahimachidori, Chuo Ward, Niigata, Niigata 951-8520, Japan
| | - Kengo Fujii
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
| | - Takeo Furuya
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo Ward, Chiba, Chiba 260-8670, Japan
| | - Narihito Nagoshi
- Department of Orthopaedic Surgery, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku Ward, Tokyo 160-8582, Japan;
| | - Tsukasa Kanchiku
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Yamaguchi University School of Medicine, 1144 Kogushi, Ube, Yamaguchi 755-8505, Japan
| | - Yukitaka Nagamoto
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Osaka Rosai Hospital, 1179-3 Nagasonecho, Sakaishi, Osaka 591-8025, Japan
| | - Yasushi Oshima
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopaedic Surgery, Faculty of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Hiroaki Nakashima
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumaicho, Showa Ward, Nagoya, Aichi 466-8550, Japan
| | - Kei Ando
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumaicho, Showa Ward, Nagoya, Aichi 466-8550, Japan
| | - Masahiko Takahata
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita 15, Nishi 7, Sapporo 060-8638, Japan
| | - Kanji Mori
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopaedic Surgery, Shiga University of Medical Science, Tsukinowa-cho, Seta, Otsu, Shiga 520-2192, Japan
| | - Hideaki Nakajima
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopaedics and Rehabilitation Medicine, Faculty of Medical Sciences University of Fukui, 23-3 Matsuoka Shimoaizuki, Eiheiji-cho, Yoshida-gun, Fukui 910-1193, Japan
| | - Kazuma Murata
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
| | - Shunji Matsunaga
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Imakiire General Hospital, 4-16 Shimotatsuocho, Kagoshimashi 892-8502, Japan
| | - Takashi Kaito
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita-shi, Osaka 565-0871, Japan
| | - Kei Yamada
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopaedic Surgery, Kurume University School of Medicine, 67 Asahi-machi, Kurume-shi, Fukuoka 830-0011, Japan
| | - Sho Kobayashi
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Hamamatsu, Shizuoka 431-3125, Japan
| | - Satoshi Kato
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-8641, Japan
| | - Tetsuro Ohba
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, University of Yamanashi, 1110 Shimokato, Chuo Ward, Yamanashi 409-3898, Japan
| | - Satoshi Inami
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopaedic Surgery, Dokkyo Medical University School of Medicine, 880 Kitakobayashi, Mibu-machi, Shimotsuga-gun, Tochigi 321-0293, Japan
| | - Shunsuke Fujibayashi
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Hiroyuki Katoh
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Surgical Science, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa 259-1193, Japan
| | - Haruo Kanno
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopaedic Surgery, Tohoku University School of Medicine, 1-1 Seiryomachi, Aoba Ward, Sendai, Miyagi 980-8574, Japan
| | - Kota Watanabe
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopaedic Surgery, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku Ward, Tokyo 160-8582, Japan;
| | - Shiro Imagama
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumaicho, Showa Ward, Nagoya, Aichi 466-8550, Japan
| | - Masao Koda
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
| | - Yoshiharu Kawaguchi
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Faculty of Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Masaya Nakamura
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopaedic Surgery, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku Ward, Tokyo 160-8582, Japan;
| | - Morio Matsumoto
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopaedic Surgery, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku Ward, Tokyo 160-8582, Japan;
| | - Masashi Yamazaki
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
| | - Atsushi Okawa
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Tokyo 113-8510, Japan; (T.Y.); (S.E.); (T.H.); (K.S.); (K.K.); (Y.N.); (K.W.); (K.K.); (K.F.); (T.F.); (T.K.); (Y.N.); (Y.O.); (H.N.); (K.A.); (M.T.); (K.M.); (H.N.); (K.M.); (S.M.); (T.K.); (K.Y.); (S.K.); (S.K.); (T.O.); (S.I.); (S.F.); (H.K.); (H.K.); (K.W.); (S.I.); (M.K.); (Y.K.); (M.N.); (M.M.); (M.Y.); (A.O.)
- Department of Orthopedic Surgery, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo Ward, Tokyo 113-8519, Japan
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Epstein N. Perspective on morbidity and mortality of cervical surgery performed in outpatient/same day/ambulatory surgicenters versus inpatient facilities. Surg Neurol Int 2021; 12:349. [PMID: 34345489 PMCID: PMC8326133 DOI: 10.25259/sni_509_2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 06/03/2021] [Indexed: 11/18/2022] Open
Abstract
Background: This is an updated analysis of the morbidity and mortality of cervical surgery performed in outpatient/same day (OSD) (Postoperative care unit [PACU] observation 4–6 h), and ambulatory surgicenters (ASC: PACU 23 h) versus inpatient facilities (IF). Methods: We analyzed 19 predominantly level III (retrospective) and IV (case series) studies regarding the morbidity/mortality of cervical surgery performed in OSC/ASC versus IF. Results: A “selection bias” clearly favored operating on younger/healthier patients to undergo cervical surgery in OSD/ASC centers resulting in better outcomes. Alternatively, those selected for cervical procedures to be performed in IF classically demonstrated multiple major comorbidities (i.e. advanced age, diabetes, high body mass index, severe myelopathy, smoking, 3–4 level disease, and other comorbidities) and had poorer outcomes. Further, within the typical 4–6 h. PACU “observation window,” OSD facilities “picked up” most major postoperative complications, and typically showed 0% mortality rates. Nevertheless, the author’s review of 2 wrongful death suits (i.e. prior to 2018) arising from OSD ACDF cervical surgery demonstrated that there are probably many more mortalities occurring following discharges from OSD where cervical operations are being performed that are going underreported/unreported. Conclusion: “Selection bias” favors choosing younger/healthier patients to undergoing cervical surgery in OSD/ ASC facilities resulting in better outcomes. Atlernatively, choosing older patients with greater comorbidities for IF surgery correlated with poorer results. Although most OSD cervical series report 0% mortality rates, a review of 2 wrongful death suits by just one neurosurgeon prior to 2018 showed there are probably many more mortalities resulting from OSD cervical surgery than have been reported.
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Affiliation(s)
- Nancy Epstein
- Clinical Prof. of Neurosurgery, School of Medicine, State University of New York at Stony Brook, NY, and c/o Dr. Marc Aglulnick, 1122 Franklin Avenue Suite 106, Garden City, NY, USA
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Gajski D, Dennis AR, Arnautovic KI. Surgical anatomy of microsurgical 3-level anterior cervical discectomy and fusion C4-C7. Bosn J Basic Med Sci 2021; 21:258-260. [PMID: 32563239 PMCID: PMC8112558 DOI: 10.17305/bjbms.2020.4895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 06/15/2020] [Indexed: 11/16/2022] Open
Abstract
Anterior cervical discectomy and fusion (ACDF) is one of the most common spinal procedures, frequently used for the treatment of cervical spine degenerative diseases. It was first described in 1958. Interestingly, to our knowledge, 3-level ACDF has not been previously published as a peer-reviewed video case with a detailed description of intraoperative microsurgical anatomy. In this video, we present the case of a 33-year-old male who presented with a combination of myelopathy (hyperreflexia and long tract signs in the upper and lower extremities) and bilateral radiculopathy of the upper extremities. He had been previously treated conservatively with physical therapy and pain management for 6 months without success. We performed 3-level microsurgical ACDF from C4 to C7. All 3 levels were decompressed, and bone allografts were placed to achieve intervertebral body fusion. A titanium plate was utilized from C4 to C7 for internal fixation. The patient was discharged home on the first postoperative day. His pain, numbness and tingling resolved, as well as his myelopathy. No perioperative complications were encountered. Herein we present the surgical anatomy of our operative technique including certain technical tips. Written consent was obtained directly from the patient.
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Affiliation(s)
- Domagoj Gajski
- Department of Neurosurgery, University Hospital Center Sestre Milosrdnice, Zagreb, Croatia; Department of Anatomy and Physiology, University of Applied Health Sciences, Zagreb, Croatia; School of Dental Medicine, University of Zagreb, Zagreb, Croatia
| | - Alicia R Dennis
- Semmes Murphey Neurologic and Spine Institute, Memphis, Tennessee, United States
| | - Kenan I Arnautovic
- Semmes Murphey Neurologic and Spine Institute, Memphis, Tennessee, United States; Department of Neurosurgery, University of Tennessee Health Science Center, Memphis, Tennessee, United States
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Perez-Roman RJ, Luther EM, McCarthy D, Lugo-Pico JG, Leon-Correa R, Vanni S, Wang MY. National Trends and Correlates of Dysphagia After Anterior Cervical Discectomy and Fusion Surgery. Neurospine 2021; 18:147-154. [PMID: 33819941 PMCID: PMC8021827 DOI: 10.14245/ns.2040452.226] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 11/30/2020] [Indexed: 11/19/2022] Open
Abstract
Objective Anterior cervical discectomy and fusion (ACDF) is the most common performed surgery in the cervical spine. Dysphagia is one of the most frequent complications following ACDF. Several studies have identified certain demographic and perioperative risk factors associated with increased dysphagia rates, but few have reported recent trends. Our study aims to report current trends and factors associated with the development of inpatient postoperative dysphagia after ACDF.
Methods The National Inpatient Sample was evaluated from 2004 to 2014 and discharges with International Classification of Diseases procedure codes indicating ACDF were selected. Time trend series plots were created for the yearly treatment trends for each fusion level by dysphagia outcome. Separate univariable followed by multivariable logistic regression analyses were performed to evaluate predictors of dysphagia.
Results A total of 1,212,475 ACDFs were identified in which 3.3% experienced postoperative dysphagia. A significant increase in annual dysphagia rates was observed from 2004–2014. Frailty, intraoperative neuromonitoring, 4 or more level fusions, African American race, fluid/electrolyte disorders, blood loss, and coagulopathy were all identified as significant independent risk factors for the development of postoperative dysphagia following ACDF.
Conclusion Postoperative dysphagia is a well-known postsurgical complication associated with ACDF. Our cohort showed a significant increase in the annual dysphagia rates independent of levels fused. We identified several risk factors associated with the development of postoperative dysphagia after ACDF.
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Affiliation(s)
- Roberto J Perez-Roman
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Evan M Luther
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - David McCarthy
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Julian G Lugo-Pico
- Department of Orthopaedics, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Roberto Leon-Correa
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Steven Vanni
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Michael Y Wang
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
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Identifying the Most Appropriate ACDF Patients for an Ambulatory Surgery Center: A Pilot Study Using Inpatient and Outpatient Hospital Data. Clin Spine Surg 2020; 33:418-423. [PMID: 32235168 DOI: 10.1097/bsd.0000000000000967] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
STUDY DESIGN Retrospective cohort analysis of prospectively collected data. OBJECTIVES Using a national cohort of patients undergoing elective anterior cervical discectomy and fusion (ACDF) in an inpatient/outpatient setting, the current objectives were to: (1) outline preoperative factors that were associated with complications, and (2) describe potentially catastrophic complications so that this data can help stratify the best suited patients for an ambulatory surgery center (ASC) compared with a hospital setting. SUMMARY OF BACKGROUND DATA ASCs are increasingly utilized for spinal procedures and represent an enormous opportunity for cost savings. However, ASCs have come under scrutiny for profit-driven motives, lack of adequate safety measures, and inability to handle complications. METHODS Adults who underwent ACDF between 2008 and 2014 were identified in the National Surgical Quality Improvement Program (NSQIP) database. Inclusion criteria were: principal procedure ACDF [Current Procedural Terminology (CPT) 22551, 22552], elective, neurological/orthopedic surgeons, length of stayof 0/1 day, and being discharged home. The primary outcome was presence of any complication. The secondary outcome was occurrence of potentially catastrophic complications. RESULTS A total of 12,169 patients underwent elective ACDF with a length of stay of 0/1 day and were discharged directly home. A total of 179 (1.47%) patients experienced a complication. Multivariate logistic regression revealed the following factors were significantly associated with a complication: Charlson Comorbidity Index (CCI) >3, history of transient ischemic attack/cerebrovascular accident, abnormal bilirubin, and operative time of >2 hours. Approximate comorbidity score cutoffs associated with <2% risk of complication were: American Society of Anesthesiologists (ASA)≤2, CCI≤2, modified frailty index (mFI) ≤0.182. A total of 51 (0.4%) patients experienced potentially catastrophic complications. CONCLUSIONS The current results represent a preliminary, pilot analysis using inpatient/outpatient data in selecting appropriate patients for an ASC. The incidence of potentially catastrophic complication was 0.4%. These results should be validated in multi-institution studies to further optimize appropriate patient selection for ASCs.
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Matsumoto T, Yamashita T, Okuda S, Maeno T, Nagamoto Y, Iwasaki M. A Detailed Clinical Course Leading to Hypoxic Ischemic Encephalopathy After Anterior Cervical Spine Surgery: A Case Report. JBJS Case Connect 2020; 10:e2000236. [PMID: 32910593 DOI: 10.2106/jbjs.cc.20.00236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
CASE A 48-year-old woman underwent anterior cervical discectomy and fusion at C5/6. Extubation was performed immediately after surgery. Tachycardia, limb tremor, and panic attack developed approximately 4 hours after surgery at 16:15. Thirty minutes later, cessation of respiration occurred at 16:50. An experienced anesthesiologist attempted intubation but was unsuccessful because of laryngopharyngeal edema at the C2 level. Finally, an otolaryngologist performed tracheotomy and secured the airway at 17:20 but hypoxic encephalopathy ensued. CONCLUSION Predicting the airway obstruction caused by laryngopharyngeal edema was very difficult; hence, to prevent critical complications, systematic perioperative management is essential in anterior cervical spine surgery.
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Affiliation(s)
- Tomiya Matsumoto
- 1Department of Orthopaedic Surgery, Osaka Rosai Hospital, Osaka, Japan 2Department of Orthopaedic Surgery, Osaka National Hospital, Osaka, Japan 3Department of Orthopaedic Surgery, Ishikiri Seiki Hospital, Osaka, Japan
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Yerneni K, Burke JF, Chunduru P, Molinaro AM, Riew KD, Traynelis VC, Tan LA. Safety of Outpatient Anterior Cervical Discectomy and Fusion: A Systematic Review and Meta-Analysis. Neurosurgery 2020; 86:30-45. [PMID: 30690479 DOI: 10.1093/neuros/nyy636] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Accepted: 01/06/2019] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Anterior cervical discectomy and fusion (ACDF) is being increasingly offered on an outpatient basis. However, the safety profile of outpatient ACDF remains poorly defined. OBJECTIVE To review the medical literature on the safety of outpatient ACDF. METHODS We systematically reviewed the literature for articles published before April 1, 2018, describing outpatient ACDF and associated complications, including incidence of reoperation, stroke, thrombolytic events, dysphagia, hematoma, and mortality. A random-effects analysis was performed comparing complications between the inpatient and outpatient groups. RESULTS We identified 21 articles that satisfied the selection criteria, of which 15 were comparative studies. Most of the existing studies were retrospective, with a lack of level I or II studies on this topic. We found no statistically significant difference between inpatient and outpatient ACDF in overall complications, incidence of stroke, thrombolytic events, dysphagia, and hematoma development. However, patients undergoing outpatient ACDF had lower reported reoperation rates (P < .001), mortality (P < .001), and hospitalization duration (P < .001). CONCLUSION Our meta-analysis indicates that there is a lack of high level of evidence studies regarding the safety of outpatient ACDF. However, the existing literature suggests that outpatient ACDF can be safe, with low complication rates comparable to inpatient ACDF in well-selected patients. Patients with advanced age and comorbidities such as obesity and significant myelopathy are likely not suitable for outpatient ACDF. Spine surgeons must carefully evaluate each patient to decide whether outpatient ACDF is a safe option. Higher quality, large prospective randomized control trials are needed to accurately demonstrate the safety profile of outpatient ACDF.
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Affiliation(s)
- Ketan Yerneni
- Department of Neurological Surgery, UCSF Medical Center, San Francisco, California
| | - John F Burke
- Department of Neurological Surgery, UCSF Medical Center, San Francisco, California
| | - Pranathi Chunduru
- Department of Neurological Surgery, UCSF Medical Center, San Francisco, California
| | - Annette M Molinaro
- Department of Neurological Surgery, UCSF Medical Center, San Francisco, California
| | - K Daniel Riew
- The Daniel and Jane Och Spine Hospital, Department of Orthopedic Surgery, Columbia University Medical Center, New York, New York
| | - Vincent C Traynelis
- Department of Neurological Surgery, Rush University Medical Center, Chicago, Illinois
| | - Lee A Tan
- Department of Neurological Surgery, UCSF Medical Center, San Francisco, California
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Karukonda TR, Mancini N, Katz A, Cote MP, Moss IL. Lumbar Laminectomy in the Outpatient Setting Is Associated With Lower 30-Day Complication Rates. Global Spine J 2020; 10:384-392. [PMID: 32435556 PMCID: PMC7222675 DOI: 10.1177/2192568219850095] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
STUDY DESIGN Retrospective cohort study. OBJECTIVES To compare the incidence of complications in patients undergoing single-level and 2-level lumbar laminectomy in either the inpatient or outpatient settings. METHODS Patients who underwent single-level and 2-level lumbar laminectomy were identified in the ACS NSQIP database from the years 2006 to 2015. Independent patient variables were recorded, including demographics and preoperative health characteristics. Logistic regression was used to determine the risk of postoperative complications for both a 1- and 2-level lumbar laminectomy as well as to identify independent risk factors for a complication. Comparisons were made between 2 groups: (1) inpatient and (2) outpatient as determined by billing data. RESULTS A total of 18 076 single- and 2-level lumbar laminectomy cases were identified with 10 743 (59.4%) inpatient procedures and 7333 (40.6%) outpatient procedures. The incidence of any postoperative complication was significantly lower in the outpatient group than in the inpatient group among all cohorts including 1-level lumbar laminectomy (1.9% vs 6.7%), 2-level lumbar laminectomy (3.17% vs 7.38%), as well as in the combined cohort of 1- and 2-level laminectomies (2.47% vs 7.01%). Significant independent risk factors for complications after lumbar laminectomy were identified, including body mass index (BMI) >30 kg/m2, age ≥55 years, a functional status of partially dependent, chronic obstructive pulmonary disease (COPD), chronic steroid use, American Society of Anesthesiologists (ASA) class 3 or 4, and operative time >90 minutes. CONCLUSIONS This study reports a lower overall complication rate in the 30-day postoperative period following 1- and 2-level lumbar laminectomy performed in an outpatient versus inpatient setting. Significant risk factors for complications included BMI >30 kg/m2, age ≥55 years, a functional status of partially dependent, COPD, chronic steroid use, ASA class 3 or 4, and operative time >90 minutes.
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Affiliation(s)
| | | | - Austen Katz
- University of Connecticut Health Center, Farmington, CT, USA
| | - Mark P. Cote
- University of Connecticut Health Center, Farmington, CT, USA
| | - Isaac L. Moss
- University of Connecticut Health Center, Farmington, CT, USA,Isaac L. Moss, Department of Orthopaedic Surgery, University of Connecticut Health Center, 263 Farmington Avenue, Farmington, CT 06030-5353, USA.
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Disparities in Outcomes by Insurance Payer Groups for Patients Undergoing Anterior Cervical Discectomy and Fusion. Spine (Phila Pa 1976) 2020; 45:770-775. [PMID: 31842107 DOI: 10.1097/brs.0000000000003365] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Retrospective, observational study of clinical outcomes at a single institution. OBJECTIVE To compare postoperative complication and readmission rates of payer groups in a cohort of patients undergoing anterior cervical discectomy and fusion (ACDF). SUMMARY OF BACKGROUND DATA Studies examining associations between primary payer and outcomes in spine surgery have been equivocal. METHODS Patients at Mount Sinai having undergone ACDF from 2008 to 2016 were queried and assigned to one of five insurance categories: uninsured, managed care, commercial indemnity insurance, Medicare, and Medicaid, with patients in the commercial indemnity group serving as the reference cohort. Multivariable logistic regression equations for various outcomes with the exposure of payer were created, controlling for age, sex, American Society of Anesthesiology Physical Status Classification (ASA Class), the Elixhauser Comorbidity Index, and number of segments fused. A Bonferroni correction was utilized, such that alpha = 0.0125. RESULTS Two thousand three hundred eighty seven patients underwent ACDF during the time period. Both Medicare (P < 0.0001) and Medicaid (P < 0.0001) patients had higher comorbidity burdens than commercial patients when examining ASA Class. Managed care (2.86 vs. 2.72, P = 0.0009) and Medicare patients (2.99 vs. 2.72, P < 0.0001) had more segments fused on average than commercial patients. Medicaid patients had higher rates of prolonged extubation (odds ratio [OR]: 4.99; 95% confidence interval [CI]: 1.13-22.0; P = 0.007), and Medicare patients had higher rates of prolonged length of stay (LOS) (OR: 2.44, 95% CI: 1.13-5.27%, P = 0.004) than the commercial patients. Medicaid patients had higher rates of 30- (OR: 4.12; 95% CI: 1.43-11.93; P = 0.0009) and 90-day (OR: 3.28; 95% CI: 1.34-8.03; P = 0.0009) Emergency Department (ED) visits than the commercial patients, and managed care patients had higher rates of 30-day readmission (OR: 3.41; 95% CI: 1.00-11.57; P = 0.0123). CONCLUSION Medicare and Medicaid patients had higher rates of prolonged LOS and postoperative ED visits, respectively, compared with commercial patients. LEVEL OF EVIDENCE 3.
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Implementation of enhanced recovery after surgery (ERAS) protocol for anterior cervical discectomy and fusion: a propensity score-matched analysis. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2020; 30:560-567. [PMID: 32409887 DOI: 10.1007/s00586-020-06445-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 03/21/2020] [Accepted: 05/02/2020] [Indexed: 01/22/2023]
Abstract
PURPOSE Enhanced recovery after surgery (ERAS), still emerging for the spine, proposes a multimodal approach of perioperative care involving the optimization of every procedural step, with the patient in a proactive position regarding his/her management. We aimed to demonstrate a reduction in the length of hospital stay for ACDF without increasing the risk for patients by comparing 2 groups before and after ERAS implementation using propensity score (PS)-matched analysis. METHODS We selected 2 periods of 1 year, before (n = 268 patients) and after ERAS implementation (n = 271 patients). Data were collected on patient demographics, operative and perioperative details, 90-day readmissions and morbidity. ERAS-trained nurses were involved to support patients at each pre/per/postoperative step with the help of a mobile app. A satisfaction survey was included. PS analyses were used for dealing with confounding bias in this retrospective observational study. RESULTS After PS matching, the outcomes of 202 well-balanced pairs of patients were compared (conventional vs ERAS). LOS was reduced from 2.96 ± 1.35 to 1.40 ± 0.6 days (Student, p < 0.001). All 90-day surgical morbidity was similar between the 2 groups, including 30-day readmission (0.5% vs 0%; p = 1), 30- to 90-day readmission (0.5% vs 0.0%; p = 1), 90-day reoperation (0% vs 1%; p = 0.49), major complications (3.0% vs 3.5%; p = 1) and minor complications (2.0% vs 3.5%; p = 0.54). There was no significant difference concerning the satisfaction survey. CONCLUSIONS The introduction of ERAS for ACDF in our institution has resulted in a significant decrease in LOS, without causing an increase in postoperative complications and has maintained patients' satisfaction.
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Al Eissa S, Konbaz F, Aldeghaither S, Annaim M, Aljehani R, Alhelal F, Abaalkhail M, Alhandi AA. Anterior Cervical Discectomy and Fusion Complications and Thirty-Day Mortality and Morbidity. Cureus 2020; 12:e7643. [PMID: 32411545 PMCID: PMC7217235 DOI: 10.7759/cureus.7643] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Background Anterior cervical discectomy and fusion (ACDF) is a commonly used procedure. However, few studies reported post-operative complications. This study looks into the prevalence of possible complications and the mortality rate in the first 30 days postoperatively. Methods A retrospective review of patients who underwent ACDF for degenerative disc disease from 2008-2017, in a single center in Riyadh, Saudi Arabia was performed. Patient demographic data, comorbidities, operative notes, immediate and delayed complications were all collected, with a minimum of 30 days follow-up. Results Out of 434 medical charts reviewed, 163 met the inclusion criteria. Mean population age was 52 ± 11 years. Elective cases comprised 90% of sample and most patients had one or two levels operated on, 95% had ACDF and only 5% had corpectomy. The drain was left in 69% of patients and planned intensive care admission was done for 3%. Instrumentation and graft was used, with 92% needing a cage plus plate. Intraoperative complications were minimal. Mean hospital stay was 12.5 ±18 days. Majority of population had no complications in a 30 days period (98.2%). Only one case underwent revision surgery. Conclusions While ACDF is considered a safe procedure, postoperative complications may have long-term implications. This study showed minimal complications in the immediate postoperative period, but due to the limited sample size, a study with larger population is needed to further confirm the results.
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Affiliation(s)
- Sami Al Eissa
- Orthopaedics, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Riyadh, SAU
| | - Faisal Konbaz
- Orthopaedics, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Riyadh, SAU
| | - Sarah Aldeghaither
- Orthopaedics, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, SAU
| | - Monerah Annaim
- Orthopaedics, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Riyadh, SAU
| | - Rayed Aljehani
- Orthopaedics, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Riyadh, SAU
| | - Fahad Alhelal
- Orthopaedics, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Riyadh, SAU
| | - Majed Abaalkhail
- Orthopaedics, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Riyadh, SAU
| | - Ali A Alhandi
- Orthopaedics, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Riyadh, SAU
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Zuckerman SL, Devin CJ. Outcomes and value in elective cervical spine surgery: an introductory and practical narrative review. JOURNAL OF SPINE SURGERY 2020; 6:89-105. [PMID: 32309649 DOI: 10.21037/jss.2020.01.11] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
How we determine a successful clinical outcome and the value of a spine intervention are two major questions surrounding clinical spine research. Patient-reported outcomes (PROs), both LEGACY and Patient-Reported Outcomes Measurement Information System (PROMIS) measures, are becoming ubiquitous throughout the literature. Spine surgeons need a facile understanding of the financial landscape of their environment to influence change. In the current introductory, narrative review on outcomes and value in cervical spine surgery, we aim to: (I) define relevant outcome and cost terminology, (II) review recent cervical spine surgery literature, divided by specific pathology with a focus on LEGACY and PROMIS measures, and (III) discuss value and cost as they pertain to postoperative return to work and ambulatory surgery centers surgeries.
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Affiliation(s)
- Scott L Zuckerman
- Vanderbilt Department of Neurosurgery, Vanderbilt University Medical Center, Nashville, TN, USA.,Steamboat Orthopaedic and Spine Institute, Steamboat Springs, CO, USA
| | - Clinton J Devin
- Vanderbilt Department of Neurosurgery, Vanderbilt University Medical Center, Nashville, TN, USA.,Steamboat Orthopaedic and Spine Institute, Steamboat Springs, CO, USA
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Yee TJ, Swong K, Park P. Complications of anterior cervical spine surgery: a systematic review of the literature. JOURNAL OF SPINE SURGERY 2020; 6:302-322. [PMID: 32309668 DOI: 10.21037/jss.2020.01.14] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The anterior approach to the cervical spine is commonly utilized for a variety of degenerative, traumatic, neoplastic, and infectious indications. While many potential complications overlap with those of the posterior approach, the distinct anatomy of the anterior neck also presents a unique set of hazards. We performed a systematic review of the literature to assess the etiology, presentation, natural history, and management of these complications. Following the guidelines of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA), a PubMed search was conducted to evaluate clinical studies and case reports of patients who suffered a complication of anterior cervical spine surgery. The search specifically included articles concerning adult human subjects, written in the English language, and published from 1989 to 2019. The PubMed search yielded 240 articles meeting our criteria. The overall rates of complications were as follows: dysphagia 5.3%, esophageal perforation 0.2%, recurrent laryngeal nerve palsy 1.3%, infection 1.2%, adjacent segment disease 8.1%, pseudarthrosis 2.0%, graft or hardware failure 2.1%, cerebrospinal fluid leak 0.5%, hematoma 1.0%, Horner syndrome 0.4%, C5 palsy 3.0%, vertebral artery injury 0.4%, and new or worsening neurological deficit 0.5%. Morbidity rates in anterior cervical spine surgery are low. Nevertheless, the unique anatomy of the anterior neck presents a wide variety of potential complications involving vascular, aerodigestive, neural, and osseous structures.
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Affiliation(s)
- Timothy J Yee
- Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA
| | - Kevin Swong
- Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA
| | - Paul Park
- Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA
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36
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Are Subfascial Drains Necessary to Prevent Airway Complications Following Anterior Cervical Discectomy and Fusion? Clin Spine Surg 2020; 33:5-8. [PMID: 31220041 DOI: 10.1097/bsd.0000000000000828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Mummareddy N, Ahluwalia R, Zuckerman SL, Lakomkin N, Asher A, Devin CJ. Identifying the most appropriate lumbar decompression patients for ambulatory surgery centers - A pilot study using inpatient and outpatient hospital data. J Clin Neurosci 2019; 72:206-210. [PMID: 31859177 DOI: 10.1016/j.jocn.2019.12.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Accepted: 12/01/2019] [Indexed: 11/26/2022]
Abstract
INTRODUCTION To minimize healthcare related costs, ambulatory surgery centers (ASCs) have become increasingly favored venues for outpatient spine surgery. Using a national cohort of patients undergoing elective lumbar decompression (LD) in an inpatient or outpatient hospital setting, the current objectives were to: 1) outline specific factors that were associated with complications, and 2) describe potentially catastrophic complications. METHODS Adults who underwent LD between 2008 and 2014 were identified in the National Surgical Quality Improvement Program (NSQIP) database. Inclusion criteria were: principal procedure LD (CPT 63030), elective, neurologic/orthopaedic surgeons, length of stay (LOS) of 0/1 days, and discharged home. The primary outcome was presence of any complication. The secondary outcome was occurrence of potentially catastrophic complications. Univariate/multivariable logistic regression was performed. RESULTS A total of 19,908 patients met the inclusion criteria. 564 (2.83%) patients experienced a complication. Cardiac intervention remained the only independent predictor of complications after multivariate testing (OR: 2.02, 95% CI: 1.00, 4.07, p = 0.049). Approximate comorbidity score cut-offs associated with <2% risk of complication were: ASA ≤ 3, CCI ≤ 5, mFI ≤ 0.182. A total of 96 (0.48%) patients experienced potentially catastrophic complications. CONCLUSIONS We utilized a national cohort of patients undergoing elective inpatient and outpatient LD in a hospital setting to identify preoperative risk factors for postoperative complications. Previous cardiac intervention was the sole independent predictor of complications. Although no patients treated at ASCs were studied, we believe these factors can aid in selecting patients most appropriate for ASCs and begin the process of selecting the best patients for an ambulatory setting.
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Affiliation(s)
- Nishit Mummareddy
- Department of Neurological Surgery, Vanderbilt University Medical Center, Nashville, TN, United States
| | | | - Scott L Zuckerman
- Department of Neurological Surgery, Vanderbilt University Medical Center, Nashville, TN, United States.
| | - Nikita Lakomkin
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Anthony Asher
- Charlotte Neurosurgical Associates, Charlotte, NC, United States
| | - Clinton J Devin
- Orthopaedic of Steamboat Springs, Steamboat Springs, CO, United States
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McGirt MJ, Rossi V, Peters D, Dyer H, Coric D, Asher AL, Pfortmiller D, Adamson T. Anterior Cervical Discectomy and Fusion in the Outpatient Ambulatory Surgery Setting: Analysis of 2000 Consecutive Cases. Neurosurgery 2019; 86:E310-E315. [DOI: 10.1093/neuros/nyz514] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 09/13/2019] [Indexed: 11/14/2022] Open
Abstract
Abstract
BACKGROUND
In an effort to improve efficiency of care, ambulatory surgery centers (ASCs) have emerged as lower-cost options. Anterior cervical discectomy and fusion (ACDF) is one of the most prevalent spine surgeries performed and rarely requires overnight stays in the hospital, supporting its migration to the ASC. Recent analyses have called into question the safety of outpatient ACDF, potentially slowing its adoption. ASC-ACDF studies have largely been limited to small series, precluding an accurate assessment of safety.
OBJECTIVE
To analyze 2000 ASC-ACDF cases, describe patient selection and perioperative protocol, and report associated safety profile.
METHODS
A total of 2000 patients who underwent 1 to 3 level ACDF in a single ASC from 2006 to 2018 were included in this retrospective analysis. Patients were observed in a 4-h postanesthesia care unit (PACU) with a multimodal pain management regiment. Data were collected on patient demographics, comorbidities, operative details, and 30- and 90-d morbidity.
RESULTS
Of the 2000 patients, 10 (0.5%) required transfer to an inpatient setting within the 4-h observation. Reasons for transfer included hematoma (2), pain control (2), cerebrospinal fluid leak (1), and medical complications (5). Six patients (0.3%) underwent reoperation within 30 d. All-cause 30-d readmission was 1.9%.
CONCLUSION
An analysis of 2000 ACDF patients in an ASC setting with a standardized perioperative protocol demonstrates that surgical complications occur at a low rate (<1%) and can be appropriately diagnosed and managed in a 4-h PACU. In an effort to decrease healthcare costs, surgeons can safely perform ACDFs in an ASC utilizing patient selection criteria and perioperative management protocols similar to those reported here.
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Affiliation(s)
- Matthew J McGirt
- Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
- Atrium Health Musculoskeletal Institute, Charlotte, North Carolina
| | - Vincent Rossi
- Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
- Atrium Health Musculoskeletal Institute, Charlotte, North Carolina
| | - David Peters
- Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
- Atrium Health Musculoskeletal Institute, Charlotte, North Carolina
| | - Hunter Dyer
- Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
- Atrium Health Musculoskeletal Institute, Charlotte, North Carolina
| | - Domagoj Coric
- Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
- Atrium Health Musculoskeletal Institute, Charlotte, North Carolina
| | - Anthony L Asher
- Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
- Atrium Health Musculoskeletal Institute, Charlotte, North Carolina
| | - Deborah Pfortmiller
- Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
- Atrium Health Musculoskeletal Institute, Charlotte, North Carolina
| | - Tim Adamson
- Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
- Atrium Health Musculoskeletal Institute, Charlotte, North Carolina
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Gerling MC, Hale SD, White-Dzuro C, Pierce KE, Naessig SA, Ahmad W, Passias PG. Ambulatory spine surgery. JOURNAL OF SPINE SURGERY 2019; 5:S147-S153. [PMID: 31656868 DOI: 10.21037/jss.2019.09.19] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Michael C Gerling
- Department of Orthopedics, NYU Langone Orthopedic Hospital, New York, NY, USA
| | - Steven D Hale
- Department of Orthopedics, NYU Langone Orthopedic Hospital, New York, NY, USA
| | - Claire White-Dzuro
- Department of Orthopedics, NYU Langone Orthopedic Hospital, New York, NY, USA
| | - Katherine E Pierce
- Department of Orthopedics, NYU Langone Orthopedic Hospital, New York, NY, USA
| | - Sara A Naessig
- Department of Orthopedics, NYU Langone Orthopedic Hospital, New York, NY, USA
| | - Waleed Ahmad
- Department of Orthopedics, NYU Langone Orthopedic Hospital, New York, NY, USA
| | - Peter G Passias
- Department of Orthopedics, NYU Langone Orthopedic Hospital, New York, NY, USA
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Helseth Ø, Lied B, Heskestad B, Ekseth K, Helseth E. Retrospective single-centre series of 1300 consecutive cases of outpatient cervical spine surgery: complications, hospital readmissions, and reoperations. Br J Neurosurg 2019; 33:613-619. [PMID: 31607163 DOI: 10.1080/02688697.2019.1675587] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Background: Outpatient surgery is becoming more common and is more cost-effective than inpatient surgery. Nonetheless, many surgeons and health care administrators are still hesitant to accept outpatient surgery for cervical degenerative spinal disease (C-DSD). This study assesses the types and rates of complications, hospital admissions, and reoperations after outpatient surgery of C-DSD.Methods: Complications, hospital admissions within 90 days of surgery, and reoperations within one year of surgery were recorded retrospectively in 1300 outpatients undergoing microsurgical decompression for C-DSD at the Oslofjord Clinic from 2008 to 2017. The surgical procedures performed were anterior cervical decompression and fusion (ACDF) in 1083 patients and posterior cervical foraminotomy in 217 patients.Results: The surgical mortality rate was 0%. Sixteen major complications were recorded in 15/1300 (1.2%) patients. The complications were neurological deterioration in four patients, postoperative hematoma in two, dural lesions with cerebrospinal fluid leakage in one, deep surgical-site infection in one, persistent hoarseness in three, and persistent dysphagia in five. The two potentially life-threatening hematomas were detected within the planned six-hour observation period. Two (0.2%) patients were admitted to hospital within hours of surgery completion with stroke-like signs and symptoms, and four (0.3%) patients were admitted to hospital within 90 days due to surgery-related events. The rate of reoperations for cervical radiculopathy within 12 months was 25/1171 (2%); eight patients' reoperations were due to inadequate primary decompression, one was due to recurrent disc herniation at the same level and side, and 16 were due to new-onset radiculopathy from an adjacent level or other side.Conclusions: Outpatient microsurgical decompression of the degenerative cervical spine in carefully selected patients appears to be safe and carries a low major complication rate, low hospital admission rate, and low one-year reoperation rate.
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Affiliation(s)
- Øystein Helseth
- Oslofjordklinikken, Sandvika, Norway.,Department of Infectious Diseases, Oslo University Hospital, Oslo, Norway
| | - Bjarne Lied
- Oslofjordklinikken, Sandvika, Norway.,Department of Neurosurgery, Oslo University Hospital, Oslo, Norway
| | | | | | - Eirik Helseth
- Department of Neurosurgery, Oslo University Hospital, Oslo, Norway.,Department of Neurosurgery, Faculty of Medicine, University of Oslo, Oslo, Norway
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Kim S, Alan N, Sansosti A, Agarwal N, Wecht DA. Complications After 3- and 4-Level Anterior Cervical Diskectomy and Fusion. World Neurosurg 2019; 130:e1105-e1110. [DOI: 10.1016/j.wneu.2019.07.099] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Revised: 07/09/2019] [Accepted: 07/10/2019] [Indexed: 10/26/2022]
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Khalid SI, Kelly R, Wu R, Peta A, Carlton A, Adogwa O. A comparison of readmission and complication rates and charges of inpatient and outpatient multiple-level anterior cervical discectomy and fusion surgeries in the Medicare population. J Neurosurg Spine 2019; 31:486-492. [PMID: 31174183 DOI: 10.3171/2019.3.spine181257] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 03/28/2019] [Indexed: 11/06/2022]
Abstract
OBJECTIVE This study aims to assess the relationship of comorbidities and postoperative complications to rates of readmission for geriatric patients undergoing anterior cervical discectomy and fusion (ACDF) involving more than 2 levels on an inpatient or outpatient basis. With the rising costs of healthcare in the United States, understanding the safety and efficacy of performing common surgical interventions (including ACDF) as outpatient procedures could prove to be of great economic impact.Objective This study aims to assess the effect of comorbidities and postoperative complications on the rates of readmission of geriatric patients undergoing multilevel anterior cervical discectomy and fusion (ACDF) procedures (i.e., ACDF involving 3 or more levels) on an inpatient or outpatient basis. Same-day surgery has been demonstrated to be a safe and cost-effective alternative to the traditional inpatient option for many surgical interventions. With the rising costs of healthcare, understanding the safety and efficacy of performing common surgical interventions as outpatient procedures could prove to be of great economic impact. METHODS The study population included total of 2492 patients: 2348 inpatients and 144 outpatients having ACDF procedures involving 3 or more levels in the Medicare Standard Analytical Files database. Age, sex, comorbidities, postoperative complications, readmission rates, and surgical procedure charges were compared between both cohorts. For selected variables, logistic regression was used to model odds ratios for various comorbidities against readmission rates for both inpatient and outpatient cohorts. Chi-square tests were also calculated to compare these comorbidities with readmission in each cohort. RESULTS Overall complication rates within 30 postoperative days were greater for inpatients than for outpatients (44.2% vs 12.5%, p < 0.001). More inpatients developed postoperative urinary tract infection (7.9% vs 0%, p < 0.001), and the inpatient cohort had increased risk of readmission with comorbidities of anemia (OR 1.52, p < 0.001), smoking (OR 2.12, p < 0.001), and BMI ≥ 30 (OR 1.43, p < 0.001). Outpatients had increased risk of readmission with comorbidities of anemia (OR 2.78, p = 0.047), diabetes mellitus type 1 or 2 (OR 3.25, p = 0.033), and BMI ≥ 30 (OR 3.95, p = 0.008). Inpatients also had increased readmission risk with a postoperative complication of surgical site infection (OR 2.38, p < 0.001). The average charges for inpatient multilevel ACDF were significantly higher than for multilevel ACDF performed on an outpatient basis ($12,734.27 vs $12,152.18, p = 0.0019). CONCLUSIONS This study suggests that ACDF surgery involving 3 or more levels performed as an outpatient procedure in the geriatric population may be associated with lower rates of readmissions, complications, and surgical charges.
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Affiliation(s)
- Syed I Khalid
- Departments of1Neurosurgery and
- 2Rosalind Franklin University of Medicine and Science, Chicago Medical School, North Chicago, Illinois; and
- 3General Surgery, Rush University Medical Center, Chicago
| | - Ryan Kelly
- 4Georgetown University School of Medicine, Washington, DC
| | - Rita Wu
- 2Rosalind Franklin University of Medicine and Science, Chicago Medical School, North Chicago, Illinois; and
| | - Akhil Peta
- 2Rosalind Franklin University of Medicine and Science, Chicago Medical School, North Chicago, Illinois; and
| | - Adam Carlton
- 2Rosalind Franklin University of Medicine and Science, Chicago Medical School, North Chicago, Illinois; and
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Ivanov M. Minimally invasive anterior cervical discectomy and fusion: a valid alternative to open techniques. Acta Neurochir (Wien) 2019; 161:1077-1078. [PMID: 31001684 DOI: 10.1007/s00701-019-03905-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 04/05/2019] [Indexed: 11/24/2022]
Affiliation(s)
- Marcel Ivanov
- Department of Neurosurgery, Royal Hallamshire Hospital, Sheffield Teaching Hospitals, Glossop Rd, Sheffield, South Yorkshire, S10 2JF, UK.
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Khalid SI, Adogwa O, Ni A, Cheng J, Bagley C. A Comparison of 30-Day Hospital Readmission and Complication Rates After Outpatient Versus Inpatient 1 and 2 Level Anterior Cervical Discectomy and Fusion Surgery: An Analysis of a Medicare Patient Sample. World Neurosurg 2019; 129:e233-e239. [PMID: 31128307 DOI: 10.1016/j.wneu.2019.05.120] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Revised: 05/14/2019] [Accepted: 05/14/2019] [Indexed: 11/26/2022]
Abstract
BACKGROUND Same-day surgery has been demonstrated to be a safe and cost-effective alternative to traditional inpatient surgery. Several studies have demonstrated no differences in the postoperative complication profile or 30-day hospital readmission rates with outpatient versus inpatient anterior cervical discectomy and fusion (ACDF). However, none of these studies compared the outcomes in elderly patients (aged >65 years) undergoing ACDF. Whether the results from previous studies can be applied to this subgroup pf patients remains unknown. The aim of the present study was to compare the 30-day hospital readmission rates for Medicare patients (aged >65 years) undergoing outpatient versus inpatient ACDF. METHODS We performed a retrospective analysis of a Medicare database, including data from 17,421 patients. Of the 17,421 patients, 16,386 had undergone inpatient ACDF and 1035, outpatient ACDF. Age, sex, comorbidities, postoperative complications, readmission rates, and overall financial costs were compared between the 2 cohorts. RESULTS In a Medicare sample (aged >65 years), inpatient ACDF was associated with a greater incidence of postoperative complications compared with outpatient ACDF. Outpatient surgery was associated with significantly lower rates of postoperative complications (urinary tract infection, surgical site infection, deep vein thrombosis, pulmonary embolism, and myocardial infarction) and significantly lower treatment costs (P ≤ 0.001). All-cause 30-day hospital readmission rates were also greater for inpatients (10.1% vs. 4%; P = 0.17). CONCLUSION The results from the present study suggest that outpatient ACDF appears to be safe and effective with low complication and readmission rates in a Medicare patient sample.
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Affiliation(s)
- Syed I Khalid
- Department of Neurosurgery, Rush University Medical Center, Chicago, Illinois, USA; Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, Illinois, USA
| | - Owoicho Adogwa
- Department of Neurosurgery, Rush University Medical Center, Chicago, Illinois, USA.
| | - Amelia Ni
- Department of Neurosurgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Joseph Cheng
- Department of Neurosurgery, University of Cincinnati Medical Center, Cincinnati, Ohio, USA
| | - Carlos Bagley
- Department of Neurosurgery, University of Texas Southwestern Medical Center, Dallas, Texas, USA
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Patel DV, Yoo JS, Haws BE, Khechen B, Lamoutte EH, Karmarkar SS, Singh K. Comparative analysis of anterior cervical discectomy and fusion in the inpatient versus outpatient surgical setting. J Neurosurg Spine 2019; 31:255-260. [PMID: 31026817 DOI: 10.3171/2019.1.spine181311] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 01/31/2019] [Indexed: 11/06/2022]
Abstract
OBJECTIVE In a large, consecutive series of patients treated with anterior cervical discectomy and fusion (ACDF) performed by a single surgeon, the authors compared the clinical and surgical outcomes of patients who underwent ACDF in an inpatient versus outpatient setting. METHODS Patients undergoing primary ACDF were retrospectively reviewed and stratified by surgical setting: hospital or ambulatory surgical center (ASC). Data regarding perioperative characteristics, including hospital length of stay and complications, were collected. Neck Disability Index (NDI) and visual analog scale (VAS) scores were used to analyze neck and arm pain in the preoperative period and at 6 weeks, 3 months, 6 months, and 12 months postoperatively. Postoperative outcomes were compared using chi-square analysis and linear regression. RESULTS The study included 272 consecutive patients undergoing a primary ACDF, of whom 172 patients underwent surgery at a hospital and 100 patients underwent surgery at an ASC. Patients undergoing ACDF in the hospital setting were older, more likely to be diabetic, and had a higher comorbidity burden. Patients receiving treatment in the ASC were more likely to carry Workers' Compensation insurance. Patients in the hospital cohort were more likely to have multilevel procedures, had greater blood loss, and experienced a longer length of stay. In the hospital cohort, 48.3% of patients were discharged within 24 hours, while 43.0% were discharged between 24 and 48 hours after admission. Both cohorts had similar VAS pain scores on postoperative day (POD) 0; however, the hospital cohort consumed more narcotics on POD 0. One patient in the ASC cohort had a pretracheal hematoma that was evacuated immediately in the same surgical center. There were 8 cases of dysphagia in the hospital cohort and 3 cases in the ASC cohort, all of which resolved before the 6-month follow-up. Both cohorts demonstrated similar NDI and VAS neck and arm pain scores preoperatively and at every postoperative time point. CONCLUSIONS Although patients undergoing ACDF in the hospital setting were older, had a greater comorbidity burden, and underwent surgery on more levels than patients undergoing ACDF at an outpatient center, this study demonstrated comparable surgical and clinical outcomes for both patient groups. Based on the results of this single surgeon's experience, 1- to 2-level ACDFs may be performed successfully in the outpatient setting in appropriately selected patient populations.
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Khalid SI, Carlton A, Wu R, Kelly R, Peta A, Adogwa O. Outpatient and Inpatient Readmission Rates of 1- and 2-Level Anterior Cervical Discectomy and Fusion Surgeries. World Neurosurg 2019; 126:e1475-e1481. [PMID: 30904810 DOI: 10.1016/j.wneu.2019.03.124] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 03/11/2019] [Accepted: 03/12/2019] [Indexed: 10/27/2022]
Abstract
OBJECTIVE This study looks at the various comorbidities and postoperative complications and their impact on readmission rates of patients undergoing outpatient versus inpatient 1- and 2-level anterior cervical discectomy and fusion (ACDF). With increasing costs within the United States medical system, one emerging cost-saving strategy is to evolve traditional inpatient procedures into outpatient same-day surgeries. However, patient safety remains a crucial priority. METHODS A total of 28,427 patients were analyzed, with 26,368 undergoing inpatient ACDF surgery and 2059 undergoing outpatient ACDF surgery. Age, sex, comorbidities, postoperative complications, readmission rates, and overall financial cost were compared between both cohorts. RESULTS Data from 28,427 one- and two-level ACDF procedures that were split between inpatient and outpatient were collected. Thirty-day readmission rates were significantly lower in outpatients than inpatients (4% vs. 10.1%, P < 0.001). Inpatients had higher rates of urinary tract infection (2.4% vs. 1.4%), deep vein thrombosis (0.6% vs. 0%), and myocardial infarction (0.2% vs. 0%), whereas outpatients had higher rates of pulmonary embolism (7.7% vs. 0.4%). Outpatients had increased readmission risk with comorbidities of diabetes (odds ratio [OR], 48.93; P < 0.001), smoking (OR, 4.6; P < 0.001), body mass index ≥30 (OR, 2392; P < 0.001). The average cost of outpatient surgery was less than that of inpatient surgery ($7774.8 vs. $7956.75, P = 0.0444). CONCLUSION This study suggests that in the appropriately selected patients, ACDF can safely be performed in an outpatient setting.
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Affiliation(s)
- Syed I Khalid
- Department of Neurosurgery, Rush University Medical Center, Chicago, Illinois, USA; Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, Illinois, USA.
| | - Adam Carlton
- Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, Illinois, USA
| | - Rita Wu
- Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, Illinois, USA
| | - Ryan Kelly
- Georgetown University School of Medicine, Washington, DC, USA
| | - Akhil Peta
- Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, Illinois, USA
| | - Owoicho Adogwa
- Department of Neurosurgery, Rush University Medical Center, Chicago, Illinois, USA
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Improving outcomes in ambulatory anesthesia by identifying high risk patients. Curr Opin Anaesthesiol 2018; 31:659-666. [DOI: 10.1097/aco.0000000000000653] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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