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Long-Term Clinical, Radiographic, and Cost Analysis of Corrective Spine Surgery for Adult Symptomatic Lumbar Deformity With a Mean of 7.5 years Follow-Up. Spine (Phila Pa 1976) 2023; 48:335-343. [PMID: 36730058 DOI: 10.1097/brs.0000000000004551] [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] [Received: 10/21/2022] [Accepted: 11/22/2022] [Indexed: 02/03/2023]
Abstract
STUDY DESIGN Multicenter retrospective study. OBJECTIVE This study reports long-term clinical and radiographic outcomes in surgically treated patients with adult symptomatic lumbar deformity (ASLD). SUMMARY OF BACKGROUND DATA The short-term results of corrective spinal surgery for ASLD are often favorable despite a relatively high complication profile. However, long-term outcomes have not been completely characterized. METHODS A total of 169 surgically treated consecutive ASLD patients (≥50 yr) who achieved minimum 5 year follow-up were included (average 7.5 yr observation window, average age 67±8 yr, 96% female). The subjects were stratified by current age (50s, 60s, and 70s) and compared. Kaplan-Meier analysis was used to estimate the cumulative incidence of unplanned reoperation stratified by age group. Initial and overall direct costs of surgery were also analyzed. RESULTS The SRS-22 at final follow-up was similar among the three groups (50s, 60s, and 70s; 4.0±0.5 vs. 3.8±0.7 vs. 3.8±0.7, respectively). The overall major complication rate was 56%, and 12% experienced late complications. The cumulative reoperation rate was 23%, and 4% required late reoperation. Patients in their 70s had a significantly higher reoperation rate (33%) and overall complication rate (65%). However, the late complication rate was not significantly different between the three groups (9% vs. 12% vs. 13%). Sagittal alignment was improved at two years and maintained to the final follow-up, whereas reciprocal thoracic kyphosis developed in all age groups. The direct cost of initial surgery was $45K±9K and increased by 13% ($53K±13K) at final follow-up. CONCLUSIONS Long-term surgical outcomes for ASLDs were favorable, with a relatively low rate of late-stage complications and reoperations, as well as reasonable direct costs. Despite the higher reoperation and complication rate, ASLD patients of more advanced age achieved similar improvement to those in the younger age groups.
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Cofano F, Perna GD, Bongiovanni D, Roscigno V, Baldassarre BM, Petrone S, Tartara F, Garbossa D, Bozzaro M. Obesity and Spine Surgery: A Qualitative Review About Outcomes and Complications. Is It Time for New Perspectives on Future Researches? Global Spine J 2022; 12:1214-1230. [PMID: 34128419 PMCID: PMC9210241 DOI: 10.1177/21925682211022313] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [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 Literature review. OBJECTIVES An increasing number of obese patients requires operative care for degenerative spinal disorders. The aim of this review is to analyze the available evidence regarding the role of obesity on outcomes after spine surgery. Peri-operative complications and clinical results are evaluated for both cervical and lumbar surgery. Furthermore, the contribution of MIS techniques for lumbar surgery to play a role in reducing risks has been analyzed. METHODS Only articles published in English in the last 10 years were reviewed. Inclusion criteria of the references were based on the scope of this review, according to PRISMA guidelines. Moreover, only paper analyzing obesity-related complications in spine surgery have been selected and thoroughly reviewed. Each article was classified according to its rating of evidence using the Sacket Grading System. RESULTS A total number of 1636 articles were found, but only 130 of them were considered to be relevant after thorough evaluation and according to PRISMA checklist. The majority of the included papers were classified according to the Sacket Grading System as Level 2 (Retrospective Studies). CONCLUSION Evidence suggest that obese patients could benefit from spine surgery and outcomes be satisfactory. A higher rate of peri-operative complications is reported among obese patients, especially in posterior approaches. The use of MIS techniques plays a key role in order to reduce surgical risks. Further studies should evaluate the role of multidisciplinary counseling between spine surgeons, nutritionists and bariatric surgeons, in order to plan proper weight loss before elective spine surgery.
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Affiliation(s)
- Fabio Cofano
- Spine Surgery Unit, Humanitas Gradenigo Hospital, Turin, Italy,Department of Neuroscience “Rita Levi Montalcini,” Unit of Neurosurgery, University of Turin, Turin, Italy
| | - Giuseppe Di Perna
- Department of Neuroscience “Rita Levi Montalcini,” Unit of Neurosurgery, University of Turin, Turin, Italy
| | - Daria Bongiovanni
- Division of Endocrinology, Andrology and Metabolism, Humanitas Gradenigo Hospital, Turin, Italy
| | - Vittoria Roscigno
- Division of Endocrinology, Andrology and Metabolism, Humanitas Gradenigo Hospital, Turin, Italy
| | - Bianca Maria Baldassarre
- Department of Neuroscience “Rita Levi Montalcini,” Unit of Neurosurgery, University of Turin, Turin, Italy
| | - Salvatore Petrone
- Department of Neuroscience “Rita Levi Montalcini,” Unit of Neurosurgery, University of Turin, Turin, Italy,Salvatore Petrone, Department of Neuroscience “Rita Levi Montalcini,” Unit of Neurosurgery, University of Turin, Via Cherasco 15, Turin 10126, Italy.
| | - Fulvio Tartara
- Spine Surgery Unit, Humanitas Gradenigo Hospital, Turin, Italy
| | - Diego Garbossa
- Department of Neuroscience “Rita Levi Montalcini,” Unit of Neurosurgery, University of Turin, Turin, Italy
| | - Marco Bozzaro
- Spine Surgery Unit, Humanitas Gradenigo Hospital, Turin, Italy
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Yagi M, Suzuki S, Okada E, Nori S, Tsuji O, Nagoshi N, Nakamura M, Matsumoto M, Watanabe K. Sublaminar Tethers Significantly Reduce the Risk of Proximal Junctional Failure in Surgery for Severe Adult Spinal Deformity: A Propensity Score-matched Analysis. Clin Spine Surg 2022; 35:E496-E503. [PMID: 35034048 DOI: 10.1097/bsd.0000000000001294] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 12/05/2021] [Indexed: 12/12/2022]
Abstract
STUDY DESIGN This was a retrospective case series of prospectively collected data. OBJECTIVE The present study first described the effect of sublaminar tethering (SLT) on proximal junctional failure (PJF) in adult spinal deformity (ASD) surgery. SUMMARY OF BACKGROUND DATA PJF is a devastating complication following ASD surgery. Teriparatide administration and spinous process tethering have been reported as alternatives for the prevention of PJF, but a clinically effective prevention strategy is still a matter of debate. MATERIALS AND METHODS We used data from an ASD database that included 381 patients with ASD (minimum 2-y follow-up). Among them, the data of patients who had a severe sagittal deformity and had surgery from the lower thoracic spine (T9-T11) to the pelvis were extracted and propensity score matched by age, sex, body mass index, bone mineral density, curve type, sagittal alignment, and fused level to clarify whether SLT prevented the development of PJF [SLT vs. control (CTR); age: 67±7 vs. 66±8 y, T-score: -1.4±0.7 vs. -1.3±0.6, body mass index: 22±4 vs. 22±5 kg/m2, C7 sagittal vertical axis (C7SVA): 12±7 vs. 11±5 cm, pelvic incidence-lumbar lordosis (PI-LL): 51±22 vs. 49±21 degrees, pelvic tilt (PT): 36±10 vs. 34±10 degrees, level fused: 11±2 vs. 11±2]. Sixty-four patients were matched into 32 pairs and compared in terms of the postoperative alignment and frequency of PJF. RESULTS Two years postoperatively, C7SVA and PT were significantly larger in the CTR group, while no significant difference in PI-LL was found (C7SVA: 3±3 vs. 6±4 cm, P<0.01, PT: 16±6 vs. 24±9 degrees, P<0.01, PI-LL: 7±9 vs. 11±11 degrees, P=0.22). The proximal junctional angle was significantly greater in the CTR group (proximal junctional kyphosis: 8±8 vs. 17±13 degrees, P<0.01). The incidence of PJF was significantly lower in the SLT group (3% vs. 25%, P=0.03), with an odds ratio of 0.1 (95% confidence interval: 0.0-0.8, P=0.03). CONCLUSION In the propensity score-matched cohort, the incidence of PJF was significantly lower in the SLT group. SLT is a promising procedure that may reduce the risk of PJF in severe ASD surgery.
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Affiliation(s)
- Mitsuru Yagi
- Department of Orthopedic Surgery, Keio University School of Medicine
- Keio Spine Research Group, Tokyo, Japan
| | - Satoshi Suzuki
- Department of Orthopedic Surgery, Keio University School of Medicine
- Keio Spine Research Group, Tokyo, Japan
| | - Eijiro Okada
- Department of Orthopedic Surgery, Keio University School of Medicine
- Keio Spine Research Group, Tokyo, Japan
| | - Satoshi Nori
- Department of Orthopedic Surgery, Keio University School of Medicine
- Keio Spine Research Group, Tokyo, Japan
| | - Osahiko Tsuji
- Department of Orthopedic Surgery, Keio University School of Medicine
- Keio Spine Research Group, Tokyo, Japan
| | - Narihito Nagoshi
- Department of Orthopedic Surgery, Keio University School of Medicine
- Keio Spine Research Group, Tokyo, Japan
| | - Masaya Nakamura
- Department of Orthopedic Surgery, Keio University School of Medicine
- Keio Spine Research Group, Tokyo, Japan
| | - Morio Matsumoto
- Department of Orthopedic Surgery, Keio University School of Medicine
- Keio Spine Research Group, Tokyo, Japan
| | - Kota Watanabe
- Department of Orthopedic Surgery, Keio University School of Medicine
- Keio Spine Research Group, Tokyo, Japan
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Ohlendorf D, Krüger D, Christian W, Ackermann H, Keil F, Oremek G, Maurer-Grubinger C, Groneberg DA. Standard reference values of the upper body posture in healthy male adults aged between 51 and 60 years in Germany. Sci Rep 2022; 12:6961. [PMID: 35484316 PMCID: PMC9051089 DOI: 10.1038/s41598-022-10917-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 03/31/2022] [Indexed: 12/12/2022] Open
Abstract
Comparative values are essential for the classification of orthopedic abnormalities and the assessment of a necessary therapy. At present, reference values for the upper body posture for healthy, male adults exist for the age groups of 18-35, 31-40 and 41-50 years. However, corresponding data on the decade of 51 to 60 year-old healthy men are still lacking. 23 parameters of the upper body posture were analyzed in 102 healthy male participants aged 51-60 (55.36 ± 2.78) years. The average height was 180.76 ± 7.81 cm with a weight of 88.22 ± 14.57 kg. The calculated BMI was 26.96 ± 3.92 kg/m2. In the habitual, upright position, the bare upper body was scanned three-dimensionally using video raster stereography. Mean or median values, confidence intervals, tolerance ranges and group comparisons, as well as correlations of BMI and physical activity, were calculated for all parameters. The spinal column parameters exhibited a good exploration of the frontal plane in the habitual standing position. In the sagittal plane, a slight, ventral inclination of the trunk with an increased kyphosis angle of the thoracic spine and increased thoracic bending angle was observed. The parameters of the pelvis showed a pronounced symmetry with deviations from the 0° axis within the measurement error margin of 1 mm/1°. The scapula height together with the scapula angles of the right and left side described a slightly elevated position of the left shoulder compared to the right side. The upper body posture is influenced by parameters of age, height, weight and BMI. Primarily there are significant correlations to measurements of trunk lengths D (age: p ≤ 0.02, rho = -0.23; height: p ≤ 0.001, rho = 0.58; weight: p ≤ 0.001, rho = 0.33), trunk lengths S (age: p ≤ 0.01, rho = -0.27; height: p ≤ 0.001, rho = 0.58; weight: p ≤ 0.001, rho = 0.32), pelvic distance (height: p ≤ 0.01, rho = 0.26; weight: p ≤ 0.001, rho = 0.32; BMI: p ≤ 0.03, rho = 0.22) and scapula distance (weight: p ≤ 0.001, rho = .32; BMI: p ≤ 0.01, rho = 0.27), but also to sagittal parameters of trunk decline (weight: p ≤ 0.001, rho = -0.29; BMI: p ≤ 0.01, rho = -0.24), thoracic bending angle (height: p ≤ 0.01, rho = 0.27) and kyphosis angle (BMI: p ≤ 0.03, rho = 0.21). The upper body posture of healthy men between the ages of 51 and 60 years was axially almost aligned and balanced. With the findings of this investigation and the reference values obtained, suitable comparative values for use in clinical practice and for further scientific studies with the same experimental set-up have been established.
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Affiliation(s)
- Daniela Ohlendorf
- Institute of Occupational, Social and Environmental Medicine, Goethe-University Frankfurt/Main, Theodor-Stern-Kai 7, Building 9a, 60596, Frankfurt/Main, Germany.
| | - Dominik Krüger
- Institute of Occupational, Social and Environmental Medicine, Goethe-University Frankfurt/Main, Theodor-Stern-Kai 7, Building 9a, 60596, Frankfurt/Main, Germany
| | - Wolfgang Christian
- Institute of Occupational, Social and Environmental Medicine, Goethe-University Frankfurt/Main, Theodor-Stern-Kai 7, Building 9a, 60596, Frankfurt/Main, Germany
| | - Hanns Ackermann
- Institute of Biostatistics and Mathematical Modeling, Goethe-University, Frankfurt/Main, Theodor-Stern-Kai 7, Building 11A, 60596, Frankfurt/Main, Germany
| | - Fee Keil
- Institute of Neuroradiology, Goethe-University, Frankfurt/Main, Theodor-Stern-Kai 7, Building 95, 60596, Frankfurt/Main, Germany
| | - Gerhard Oremek
- Institute of Occupational, Social and Environmental Medicine, Goethe-University Frankfurt/Main, Theodor-Stern-Kai 7, Building 9a, 60596, Frankfurt/Main, Germany
| | - Christian Maurer-Grubinger
- Institute of Occupational, Social and Environmental Medicine, Goethe-University Frankfurt/Main, Theodor-Stern-Kai 7, Building 9a, 60596, Frankfurt/Main, Germany
| | - David A Groneberg
- Institute of Occupational, Social and Environmental Medicine, Goethe-University Frankfurt/Main, Theodor-Stern-Kai 7, Building 9a, 60596, Frankfurt/Main, Germany
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Hashimoto J, Yoshii T, Sakai K, Hirai T, Yuasa M, Inose H, Kawabata A, Utagawa K, Matsukura Y, Tomori M, Torigoe I, Yamada T, Kusano K, Otani K, Sumiya S, Numano F, Fukushima K, Tomizawa S, Arai Y, Shindo S, Okawa A. Impact of body mass index on surgical outcomes and complications in adult spinal deformity. J Orthop Sci 2022; 27:89-94. [PMID: 33468342 DOI: 10.1016/j.jos.2020.11.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 11/12/2020] [Accepted: 11/15/2020] [Indexed: 11/30/2022]
Abstract
BACKGROUND Several studies have reported that overweightness and obesity are associated with higher complication rates in lumbar spine surgery. However, little is known about the effect of obesity on postoperative complications in adult spinal deformity (ASD) surgery, especially in the elderly. This study aimed to examine the effect of body mass index (BMI) on surgical outcomes and postoperative complications in elderly ASD patients undergoing surgical correction in Japan. METHODS We conducted a retrospective, multicenter, observational study of 234 consecutive patients diagnosed with ASD who underwent corrective surgery. Patients were divided into two groups according to BMI, BMI <25 (153 patients, mean age 71.9 years) and BMI ≥ 25 (overweight/obese, 81 patients, mean age 73.3 years). Radiographic results and perioperative complications were compared between the two groups. RESULTS Surgical complications occurred in approximately 20% of patients in each group; complications did not significantly differ between the two groups. A greater proportion of patients in the BMI ≥ 25 group experienced mechanical failure and DJK, although the difference was not significant. Preoperative mean lumbar lordosis (LL), pelvic incidence (PI) minus LL, sacral slope (SS) and sagittal vertical axis (SVA) were similar in the BMI < 25 and BMI ≥ 25 groups. However, the BMI ≥25 group had lower mean LL (p = 0.015) and higher PI minus LL (p = 0.09) postoperatively. The BMI ≥25 groups also had significantly smaller LL (p = 0.026), smaller SS (p = 0.049) and higher SVA (p = 0.041) at the final follow-up, compared to the BMI < 25 group. CONCLUSIONS In the present study, no difference in medical or surgical complications after ASD surgery was found between overweight/obese patients (BMI ≥ 25) and those with BMI < 25. However, correction of LL and SVA was smaller in patients with overweight/obese patients.
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Affiliation(s)
- Jun Hashimoto
- Department of Orthopaedic Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medial and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Toshitaka Yoshii
- Department of Orthopaedic Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medial and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan.
| | - Kenichiro Sakai
- Department of Orthopaedic Surgery, Saiseikai Kawaguchi General Hospital, 5-11-5 Nishikawaguchi, Kawaguchi, Saitama, 332-8558, Japan
| | - Takashi Hirai
- Department of Orthopaedic Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medial and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Masato Yuasa
- Department of Orthopaedic Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medial and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Hiroyuki Inose
- Department of Orthopaedic Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medial and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Atsuyuki Kawabata
- Department of Orthopaedic Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medial and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Kurando Utagawa
- Department of Orthopaedic Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medial and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Yu Matsukura
- Department of Orthopaedic Surgery, Saiseikai Kawaguchi General Hospital, 5-11-5 Nishikawaguchi, Kawaguchi, Saitama, 332-8558, Japan
| | - Masaki Tomori
- Department of Orthopaedic Surgery, Saiseikai Kawaguchi General Hospital, 5-11-5 Nishikawaguchi, Kawaguchi, Saitama, 332-8558, Japan
| | - Ichiro Torigoe
- Department of Orthopaedic Surgery, Saiseikai Kawaguchi General Hospital, 5-11-5 Nishikawaguchi, Kawaguchi, Saitama, 332-8558, Japan
| | - Tsuyoshi Yamada
- Department of Orthopaedic Surgery, Kudanzawa Hospital, 1-6-12 Kudanminami, Chiyoda-ku, Tokyo, 102-0074, Japan
| | - Kazuo Kusano
- Department of Orthopaedic Surgery, Kudanzawa Hospital, 1-6-12 Kudanminami, Chiyoda-ku, Tokyo, 102-0074, Japan
| | - Kazuyuki Otani
- Department of Orthopaedic Surgery, Kudanzawa Hospital, 1-6-12 Kudanminami, Chiyoda-ku, Tokyo, 102-0074, Japan
| | - Satoshi Sumiya
- Department of Orthopaedic Surgery, Yokohama City Minato Red Cross Hospital, 3-12-1 Shinyamashita, Naka-ku, Yokohama, Kanagawa, 231-8682, Japan
| | - Fujiki Numano
- Department of Orthopaedic Surgery, Yokohama City Minato Red Cross Hospital, 3-12-1 Shinyamashita, Naka-ku, Yokohama, Kanagawa, 231-8682, Japan
| | - Kazuyuki Fukushima
- Department of Orthopaedic Surgery, Saku Central Hospital, 3400-28 Nakagomi, Saku, Nagano, 385-0051, Japan
| | - Shoji Tomizawa
- Department of Orthopaedic Surgery, Tokyo Bay Urayasu Ichikawa Medical Center, 3-4-32 Toudaijima, Urayasu, Chiba, 279-0001, Japan
| | - Yoshiyasu Arai
- Department of Orthopaedic Surgery, Saiseikai Kawaguchi General Hospital, 5-11-5 Nishikawaguchi, Kawaguchi, Saitama, 332-8558, Japan
| | - Shigeo Shindo
- Department of Orthopaedic Surgery, Kudanzawa Hospital, 1-6-12 Kudanminami, Chiyoda-ku, Tokyo, 102-0074, Japan
| | - Atsushi Okawa
- Department of Orthopaedic Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medial and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
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Zileli M, Akıntürk N, Yaman O. Complications of adult spinal deformity surgery: A literature review. J Craniovertebr Junction Spine 2022; 13:17-26. [PMID: 35386240 PMCID: PMC8978850 DOI: 10.4103/jcvjs.jcvjs_159_21] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 02/03/2022] [Indexed: 11/15/2022] Open
Abstract
Purpose: Adult spinal deformity incidence increases accordingly as the population ages. Even though surgery is the best option for the treatment, the complications due to surgery are pretty challenging. This study aims to review the complication rates of adult spinal deformity surgery. Methods: A literature review of the last decade was performed searching for the query “Adult spine deformity and complication.” This search yielded 2781 results, where 79 articles were chosen to investigate the complications of adult spinal deformity surgery. In addition, the demographic data, surgical interventions, and complications were extracted from the publications. Results: A total of 26,207 patients were analyzed, and 9138 complications were found (34.5%). Implant failure, including screw loosening, breakage, distal and proximal junctional kyphosis, were the most common complications. The neurologic complications were about 10.8%, and the infection rate was 3.6%. Cardiac and pulmonary complications were about 4.8%. Discussion: Age, body mass index, smoking, osteoporosis, and other comorbidities are the significant risk factors affecting adult spinal deformity surgery. Presurgical planning and preoperative risk factor assessment must be done to avoid complications. Furthermore, intra and postoperative complications affect the patients’ quality of life and length of stay, and hospital readmissions. Revision surgery also increases the risk of complications. Conclusion: Good patient evaluation before surgery and careful planning of the surgery are essential in avoiding complications of adult spinal deformity.
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Zhang D, Gao X, Ding W, Cui H. Predictors and Correlative Factors for Low Back Pain after Long Fusion Arthrodesis in Patients with Adult Scoliosis. Adv Ther 2021; 38:3803-3815. [PMID: 34037959 DOI: 10.1007/s12325-021-01763-1] [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: 02/20/2021] [Accepted: 04/27/2021] [Indexed: 12/01/2022]
Abstract
INTRODUCTION Low back pain (LBP) still exists at the follow-up visit in some cases after long fusion arthrodesis for adult scoliosis. However, few available studies have elaborated the reasons and factors associated with this symptom. Therefore, the aim of the current study was to identify the correlative factors and predictors of postoperative LBP after long fusion arthrodesis and provide evidence to improve the surgical strategy. METHODS Seventy-nine patients with adult scoliosis who underwent long fusion arthrodesis were divided into a group with no or mild LBP (NLBP group) and one with moderate or severe LBP (MLBP group) according to the average Oswestry Dability Index (ODI) at the last follow-up visit. The Japanese Orthopaedic Association (JOA) score, ODI and complications were used to evaluate clinical outcomes. %Fat infltration area (%FIA), sagittal and coronal parameters were recorded to evaluate radiological outcomes. Multivariate logistic regression analysis was conducted to identify the predictors and correlative factors for postoperative LBP. RESULTS Thirty-three patients (41.77%) with ODI (30.06% ± 6.92%) higher than the average at the last follow-up were divided into the MLBP group, while the rest (58.23%) with last follow-up ODI (13.26% ± 5.31%) lower than the average were divided into the NLBP group. In multivariate logistic regression, the preoperative sagittal vertical axis (SVA) (P < 0.001), %FIA (P = 0.003) and osteoporosis (P = 0.016) were identified to be predictors and last follow-up SVA (P < 0.001), last follow-up lumbar lordosis (LL) (P = 0.031) and adjacent segment degeneration (ASD) (P = 0.043) were identified as correlative factors. The receiver-operating characteristic (ROC) curve showed satisfactory accuracy in preoperative SVA (P < 0.001) and %FIA (P < 0.001) to predict postoperative LBP. CONCLUSION Postoperative LBP after long fusion arthrodesis for adult scoliosis was common. Postoperative LBP was associated with increased SVA and decreased LL and ASD. Preoperative SVA > 3.54 cm, %FIA > 24.82% and osteoporosis showed good accuracy to predict the postoperative symptoms. Optimal surgical methods should be used for patients with these factors to decrease the incidence and degree of postoperative LBP.
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Affiliation(s)
- Di Zhang
- Department of Orthopedic Surgery, The Third Hospital of Hebei Medical University, No. 139 Ziqiang Road, Shijiazhuang, 050051, China
| | - Xianda Gao
- Department of Orthopedic Surgery, The Third Hospital of Hebei Medical University, No. 139 Ziqiang Road, Shijiazhuang, 050051, China
| | - Wenyuan Ding
- Department of Orthopedic Surgery, The Third Hospital of Hebei Medical University, No. 139 Ziqiang Road, Shijiazhuang, 050051, China
| | - Huixian Cui
- Department of Anatomy, Hebei Medical University, No. 361 Zhongshan East Road, Shijiazhuang, 050017, China.
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Yagi M, Michikawa T, Suzuki S, Okada E, Nori S, Tsuji O, Nagoshi N, Asazuma T, Hosogane N, Fujita N, Nakamura M, Matsumoto M, Watanabe K. Characterization of Patients with Poor Risk for Clinical Outcomes in Adult Symptomatic Lumbar Deformity Surgery. Spine (Phila Pa 1976) 2021; 46:813-821. [PMID: 33399363 DOI: 10.1097/brs.0000000000003927] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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 review of 159 surgically treated consecutive adult symptomatic lumbar deformity (ASLD) (65 ± 9 years, female: 94%) from a multicenter database. OBJECTIVE The aim of this study was to provide a comprehensive analysis of the risk of a poor clinical outcome in ASLD surgery. SUMMARY OF BACKGROUND DATA Poor-risk patients with ASLD remain poorly characterized. METHODS ASLD was defined as age >40 years with a lumbar curve ≥30° or C7SVA ≥5 cm and Scoliosis Research Society 22 (SRS22) pain or function <4. Poor outcome was defined as 2y SRS22 total <4 or pain, function or satisfaction ≤3. The outcomes of interest included age, sex, body mass index, bone mineral density, Schwab-SRS type, frailty, history of arthroplasty, upper-instrumented vertebral, lower-instrumented vertebral, levels involved, pedicle subtraction osteotomy, lumbar interbody fusion, sagittal alignment, global alignment and proportion (GAP) score, baseline SRS22r score, estimated blood loss, time of surgery, and severe adverse event (SAE). Poisson regression analyses were performed to identify the independent risks for poor clinical outcome. A patient was considered at poor risk if the number of risks was >4. RESULTS All SRS22 domains were significantly improved after surgery. In total, 21% (n = 34) reported satisfaction ≤3 and 29% (n = 46) reported pain or function ≤3. Poisson regression analysis revealed that frailty (odds ratio [OR]: 0.2 [0.1-0.8], P = .03), baseline mental-health (OR: 0.6 [0.4-0.9], P = .01) and function (OR: 1.9 [1.0-3.6], P < .01), GAP score (OR: 4.6 [1.1-18.7], P = .03), and SAE (OR: 3.0 [1.7-5.2], P < .01) were identified as independent risk for poor clinical outcome. Only 17% (n = 6) of the poor-risk patients reached SRS22 total score >4.0 at 2 years. CONCLUSION The overall clinical outcome was favorable for ASLD surgery. Poor-risk patients continue to have inferior outcomes, and alternative treatment strategies are needed to help improve outcomes in this patient population. Recognition and optimization of modifiable risk factors, such as physical function and mental health, and reduced SAEs may improve overall clinical outcomes of ASLD surgery.Level of Evidence: 3.
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Affiliation(s)
- Mitsuru Yagi
- Department of Orthopedic Surgery, Keio University School of Medicine, Shinjuku City, Tokyo, Japan
- Department of Orthopedic Surgery, National Hospital Organization Murayama Medical Center, Gakuen, Japan
| | - Takehiro Michikawa
- Department of Environmental and Occupational Health, School of Medicine, Toho University, Tokyo, Japan
| | - Satoshi Suzuki
- Department of Orthopedic Surgery, Keio University School of Medicine, Shinjuku City, Tokyo, Japan
| | - Eijiro Okada
- Department of Orthopedic Surgery, Keio University School of Medicine, Shinjuku City, Tokyo, Japan
| | - Satoshi Nori
- Department of Orthopedic Surgery, Keio University School of Medicine, Shinjuku City, Tokyo, Japan
| | - Osahiko Tsuji
- Department of Orthopedic Surgery, Keio University School of Medicine, Shinjuku City, Tokyo, Japan
| | - Narihito Nagoshi
- Department of Orthopedic Surgery, Keio University School of Medicine, Shinjuku City, Tokyo, Japan
| | - Takashi Asazuma
- Department of Orthopedic Surgery, National Hospital Organization Murayama Medical Center, Gakuen, Japan
| | - Naobumi Hosogane
- Department of Orthopedic Surgery, Kyorin University School of Medicine, Tokyo, Japan
| | - Nobuyuki Fujita
- Department of Orthopedic Surgery, Fujita Health University, Aichi, Japan
| | - Masaya Nakamura
- Department of Orthopedic Surgery, Keio University School of Medicine, Shinjuku City, Tokyo, Japan
| | - Morio Matsumoto
- Department of Orthopedic Surgery, Keio University School of Medicine, Shinjuku City, Tokyo, Japan
| | - Kota Watanabe
- Department of Orthopedic Surgery, Keio University School of Medicine, Shinjuku City, Tokyo, Japan
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Lower Satisfaction After Adult Spinal Deformity Surgery in Japan Than in the United States Despite Similar SRS-22 Pain and Function Scores: A Propensity-Score Matched Analysis. Spine (Phila Pa 1976) 2020; 45:E1097-E1104. [PMID: 32205706 DOI: 10.1097/brs.0000000000003483] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN A multicenter retrospective case series. OBJECTIVE The purpose of this study was to compare the clinical outcomes of a surgical treatment for adult spinal deformity (ASD) in the United States (US) with those in Japan (JP) in a matched cohort. SUMMARY OF BACKGROUND DATA Surgical outcomes of thoracic-lumbar-sacral (TLS) spinal fusions in adult spinal deformity ASD patients who live in Asian countries are poorly understood. METHODS A total of 300 surgically treated ASDs of age more than 50 years with the lowest instrumented vertebra at the pelvis and a minimum follow-up of 2 years (2y) were consecutively included. Patients were propensity-score matched for age, sex, levels fused, and 2y postop sagittal spinal alignment. Demographic, surgical, and radiographic parameters were compared between the US and JP groups. RESULTS A total of 186 patients were matched by propensity score and were almost identical within these parameters: age (US vs. JP: 66 ± 8 vs. 65 ± 7 yr), sex (females: 90% vs. 89%), levels fused (10 ± 3 vs. 10 ± 2), 2y C7 sagittal vertical axis (C7SVA) (5 ± 5 vs. 5 ± 4 cm), 2y Pelvic incidence minus lumbar lordosis (9 ± 15° vs. 9 ± 15°), and 2y pelvic tilt (PT) (25 ± 10° vs. 24 ± 10°). Oswestry Disability Index (ODI) scores and Scoliosis Research Society patient questionnaire ((SRS-22) function and pain scores were similar at 2y between the US and JP groups (ODI: 27 ± 19% vs. 28 ± 14%, P = 0.72; SRS-22 function: 3.6 ± 0.9 vs. 3.6 ± 0.7, P = 0.54; SRS-22 pain: 3.6 ± 1.0 vs. 3.8 ± 0.8, P = 0.11). However, significantly lower satisfaction was observed in JP than in the US (SRS-22 satisfaction: 4.3 ± 0.9 vs. 4.0 ± 0.8, P < 0.01). CONCLUSION Surgical treatment for ASD was similarly effective in patients in the US and in JP. However, satisfaction scores were lower in JP compared with the US. Differences in lifestyle and cultural expectations may impact patient satisfaction following ASD surgery. LEVEL OF EVIDENCE 3.
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Eun IS, Son SM, Goh TS, Lee JS. Sagittal spinopelvic alignment after spinal fusion in degenerative lumbar scoliosis: a meta-analysis. Br J Neurosurg 2020; 34:176-180. [DOI: 10.1080/02688697.2020.1725437] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Il-Soo Eun
- Department of Orthopaedic Surgery, Good Samsun Hospital, Busan, Republic of Korea
| | - Seung Min Son
- Department of Orthopaedic Surgery, Biomedical Research Institute, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
| | - Tae Sik Goh
- Department of Orthopaedic Surgery, BioMedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea
| | - Jung Sub Lee
- Department of Orthopaedic Surgery, BioMedical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine, Gudeok-Ro, Seo-Gu, Busan, Republic of Korea
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Clinical Outcomes, Complications, and Cost-effectiveness in Surgically Treated Adult Spinal Deformity Over 70 Years: A Propensity score-Matched Analysis. Clin Spine Surg 2020; 33:E14-E20. [PMID: 31162180 DOI: 10.1097/bsd.0000000000000842] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
STUDY DESIGN This is a multicentered retrospective study. SUMMARY OF BACKGROUND DATA Surgical correction for the adult spinal deformity (ASD) is effective but carries substantial risks for complications. The diverse pathologies of ASD make it difficult to determine the effect of advanced age on outcomes. OBJECTIVE The objective of this study was to assess how advanced age affects outcomes and cost-effectiveness for corrective surgery for ASD. MATERIALS AND METHODS We used data from a multicenter database to conduct propensity score-matched comparisons of 50 patients who were surgically treated for ASD when at least 50 years old and were followed for at least 2 years, to clarify whether advanced age is a risk factor for inferior health-related quality of life and cost-effectiveness. Patients were grouped by age, 50-65 years (M group: 59±4 y) or >70 years (O group: 74±3 y), and were propensity score-matched for sex, body mass index, upper and lower instrumented vertebrae, the use of pedicle-subtraction osteotomy, and sagittal alignment. Cost-effectiveness was determined by cost/quality-adjusted life years. RESULTS Oswestry Disability Index and Scoliosis Research Society-22 (SRS-22) pain and self-image at the 2-year follow-up were significantly inferior in the O group (Oswestry Disability Index: 32±9% vs. 25±13%, P=0.01; SRS-22 pain: 3.5±0.7 vs. 3.9±0.6, P=0.05; SRS-22 self-image: 3.5±0.6 vs. 3.8±0.9, P=0.03). The O group had more complications than the M group (55% vs. 29%). The odds ratios in the O group were 4.0 for postoperative complications (95% confidence interval: 1.1-12.3) and 4.9 for implant-related complications (95% confidence interval: 1.2-21.1). Cost-utility analysis at 2 years after surgery indicated that the surgery was less cost-effective in the O group (cost/quality-adjusted life year: O group: $211,636 vs. M group: 125,887, P=0.01). CONCLUSIONS Outcomes for corrective surgery for ASD were inferior in geriatric patients compared with middle-aged patients, in whom the extent of spinal deformity and the operation type were adjusted similarly. Special attention is needed when considering surgical treatment for geriatric ASD patients.
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Ding JZ, Kong C, Sun XY, Lu SB. Perioperative Complications And Risk Factors In Degenerative Lumbar Scoliosis Surgery For Patients Older Than 70 Years Of Age. Clin Interv Aging 2019; 14:2195-2203. [PMID: 31908430 PMCID: PMC6924653 DOI: 10.2147/cia.s218204] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 09/26/2019] [Indexed: 11/23/2022] Open
Abstract
Study design Multivariate analysis of retrospective registry data. Objective To report the perioperative complication in a large cohort of surgery for elderly degenerative lumbar scoliosis (DLS) patients and to analyze the risk factors. Summary of background data The perioperative complication rate and risk factors for patients with DLS remain unclear, especially in elderly population. Methods Between November 2015 and June 2018, 98 patients aged 70 or older with DLS received decompression and intervertebral fusion by one spine surgeon at Beijing Xuanwu Hospital. The medical history and comorbidities of all patients were recorded. Results The perioperative complication rate was 34.7% in all patients, 11.2% of all patients had major complications, and 31.6% had minor complications. The major complication most commonly seen was wound infection, and the most common minor complication was hypoproteinemia. Elderly patients (>75) had longer hospital stays (17.5 ± 7.9) when compared to younger patients. Two risk factors of perioperative complications were chosen after binary logistic regression analysis: lower BMI and longer instrumented segments. The only risk factor for major complications was longer instrumented level (≥3), and the only risk factor for minor complications was lower BMI. Conclusion Our findings indicate that in elderly patients with DLS, lower BMI is a risk factor for minor perioperative complication. Obesity is not a major problem in this population, on the contrary, BMI is a protective factor for perioperative complications. The risk factors for major perioperative complications in elderly patients with DLS are longer instrumented segments but not related to the number of decompression and intervertebral fusion levels. Preoperative comorbidities and advanced age were not associated to a higher perioperative complication rate in elderly patients. The perioperative complication rate in patients with DLS over 70 years of age is found to be acceptable with appropriate perioperative management.
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Affiliation(s)
- Jun-Zhe Ding
- Orthopaedic Department, Xuanwu Hospital, National Center for Clinical Research of Geriatric Diseases, Beijing, People's Republic of China
| | - Chao Kong
- Orthopaedic Department, Xuanwu Hospital, National Center for Clinical Research of Geriatric Diseases, Beijing, People's Republic of China
| | - Xiang-Yao Sun
- Orthopaedic Department, Xuanwu Hospital, National Center for Clinical Research of Geriatric Diseases, Beijing, People's Republic of China
| | - Shi-Bao Lu
- Orthopaedic Department, Xuanwu Hospital, National Center for Clinical Research of Geriatric Diseases, Beijing, People's Republic of China
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Thomas K, Wong KH, Steelman SC, Rodriguez A. Surgical Risk Assessment and Prevention in Elderly Spinal Deformity Patients. Geriatr Orthop Surg Rehabil 2019; 10:2151459319851681. [PMID: 31192027 PMCID: PMC6540502 DOI: 10.1177/2151459319851681] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 04/28/2019] [Accepted: 04/29/2019] [Indexed: 12/16/2022] Open
Abstract
Introduction: Prevalence of adult deformity surgery in the elderly individuals continues to increase. These patients have additional considerations for the spine surgeon during surgical planning. We perform an informative review of the spinal and geriatric literature to assess preoperative and intraoperative factors that impact surgical complication occurrences in this population. Significance: There is a need to understand surgical risk assessment and prevention in geriatric patients who undergo thoracolumbar adult deformity surgery in order to prevent complications. Methods: Searches of relevant biomedical databases were conducted by a medical librarian. Databases searched included MEDLINE, Web of Science, CINAHL, IPA, Cochrane, PQ Health and Medical, SocINDEX, and WHO’s Global Health Library. Search strategies utilized Medical Subject Headings plus text words for extensive coverage of scoliosis and surgical technique concepts. Results: Degenerative scoliosis affects 68% of the geriatric population, and the rate of surgical interventions for this pathology continues to increase. Complications following spinal deformity surgery in this patient population range from 37% to 62%. Factors that impact outcomes include age, comorbidities, blood loss, and bone quality. Using these data, we summarize multimodal risk prevention strategies that can be easily implemented by spine surgeons. Conclusions: After evaluation of the latest literature on the complications associated with adult deformity surgery in geriatric patients, comprehensive perioperative management is necessary for improved outcomes. Preoperative strategies include assessing physiological age via frailty score, nutritional status, bone quality, dementia/delirium risk, and social activity support. Intraoperative strategies include methods to reduce blood loss and procedural time. Postoperatively, development of a multidisciplinary team approach that encourages early ambulation, decreases opiate use, and ensures supportive discharge planning is imperative for better outcomes for this patient population.
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Affiliation(s)
- Kevin Thomas
- Department of Neurosurgery, University of Arkansas Medical Sciences, Little Rock, AR, USA
| | - Ka Hin Wong
- Department of Neurosurgery, University of Arkansas Medical Sciences, Little Rock, AR, USA
| | - Susan C Steelman
- Division of Academic Affairs, University of Arkansas for Medical Sciences Library, Little Rock, AR, USA
| | - Analiz Rodriguez
- Department of Neurosurgery, University of Arkansas Medical Sciences, Little Rock, AR, USA
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Predictive Model for Medical and Surgical Readmissions Following Elective Lumbar Spine Surgery: A National Study of 33,674 Patients. Spine (Phila Pa 1976) 2019; 44:588-600. [PMID: 30247371 DOI: 10.1097/brs.0000000000002883] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN This study retrospectively analyzes prospectively collected data. OBJECTIVE Here we aim to develop predictive models for 3-month medical and surgical readmission after elective lumbar surgery, based on a multi-institutional, national spine registry. SUMMARY OF BACKGROUND DATA Unplanned readmissions place considerable stress on payers, hospitals, and patients. Medicare data reveals a 30-day readmission rate of 7.8% for lumbar-decompressions and 13.0% for lumbar-fusions, and hospitals are now being penalized for excessive 30-day readmission rates by virtue of the Hospital Readmissions Reduction Program. METHODS The Quality and Outcomes Database (QOD) was queried for patients undergoing elective lumbar surgery for degenerative diseases. The QOD prospectively captures 3-month readmissions through electronic medical record (EMR) review and self-reported outcome questionnaires. Distinct multivariable logistic regression models were fitted for surgery-related and medical readmissions adjusting for patient and surgery-specific variables. RESULTS Of the total 33,674 patients included in this study 2079 (6.15%) reported at least one readmission during the 90-day postoperative period. The odds of medical readmission were significantly higher for older patients, males versus females, African Americans versus Caucasion, those with higher American Society of Anesthesiologists (ASA) grade, diabetes, coronary artery disease, higher numbers of involved levels, anterior only or anterior-posterior versus posterior approach; also, for patients who were unemployed compared with employed patients and those with high baseline Oswestry Disability Index (ODI). The odds of surgery-related readmission were significantly greater for patients with a higher body mass index (BMI), a higher ASA grade, female versus male, and African Americans versus Caucasians; also, for patients with severe depression, more involved spinal levels, anterior-only surgical approaches and higher baseline ODI scores. CONCLUSION In this study we present internally validated predictive models for medical and surgical readmission after elective lumbar spine surgery. These findings set the stage for targeted interventions with a potential to reduce unnecessary readmissions, and also suggest that medical and surgical readmissions be treated as distinct clinical events. LEVEL OF EVIDENCE 3.
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15
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Do Overweight Adolescent Idiopathic Scoliosis (AIS) Patients Have an Increased Perioperative Risk for Posterior Spinal Fusion (PSF) Surgery?: A Propensity Score Matching Analysis of 374 AIS Patients. Spine (Phila Pa 1976) 2019; 44:389-396. [PMID: 30153211 DOI: 10.1097/brs.0000000000002853] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN A retrospective study. OBJECTIVE The aim of this study was to compare the perioperative outcome of posterior spinal fusion (PSF) between overweight (OW) adolescent idiopathic scoliosis (AIS) patients and the healthy-weight (HW) patients using propensity score matching analysis. SUMMARY OF BACKGROUND DATA Obesity was found to increase postoperative surgical complications compared with the nonobese group. In scoliosis correction surgery, association of OW and perioperative risks had been explored, but most studies were retrospective in nature. METHODS From 374 patients, two comparable groups were matched using propensity score matching analysis with one-to-one nearest neighbor matching and a caliper of 0.2. There were 46 HW and OW patients in each group. The main outcome measures were intraoperative blood loss, use of allogeneic blood transfusion, operative time, duration of hospital stay post-surgery, total patient-controlled analgesia (PCA) morphine usage, perioperative complications, side bending flexibility (SBF), and correction rate (%). RESULTS The mean age was 13.3 ± 1.7 and 13.2 ± 1.7 years for HW and OW groups, respectively. The majority of the patients were Lenke 1 curves; 32.6% (HW) and 26.1% (OW) with an average Cobb angle of 69.0 ± 19.1° and 68.8 ± 18.4° for each group, respectively. The two groups were comparable. The operation time was 145.2 ± 42.2 and 154.4 ± 48.3 minutes for HW and OW groups, respectively (P > 0.05). The intraoperative blood loss was almost similar in both groups; 955.1 ± 497.7 mL (HW group) and 1011.8 ± 552.7 mL (OW group) (P > 0.05). Total PCA morphine used was higher in OW group (30.4 ± 22.7 mg) than in the HW group (16.2 ± 11.3 mg). No complication was observed in HW group, while in OW group, one patient (2.2%) developed intraoperative seizure. CONCLUSION OW AIS patients (≥85th percentile) had similar mean operative time, intraoperative blood loss, allogeneic transfusion rate, length of stay, and perioperative complications compared with HW AIS patients. LEVEL OF EVIDENCE 3.
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16
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The Influence of Body Mass Index on Achieving Age-Adjusted Alignment Goals in Adult Spinal Deformity Corrective Surgery with Full-Body Analysis at 1 Year. World Neurosurg 2018; 120:e533-e545. [DOI: 10.1016/j.wneu.2018.08.123] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Accepted: 08/19/2018] [Indexed: 11/19/2022]
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Correlation of Functional Outcomes and Sagittal Alignment After Long Instrumented Fusion for Degenerative Thoracolumbar Spinal Disease. Spine (Phila Pa 1976) 2018; 43:1355-1362. [PMID: 29077603 PMCID: PMC6159669 DOI: 10.1097/brs.0000000000002471] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN A retrospective function and radiography study of the patients who have received long instrumented thoracolumbar fusion. OBJECTIVE To investigate the correlation between the sagittal spinopelvic alignment and the functional outcomes after long instrumented fusion for degenerative thoracolumbar spinal disease. SUMMARY OF BACKGROUND DATA Restoring better sagittal alignment is known as a key factor to spine fusion surgeries. The relationship between function and radiographic results in the elderly group is barely known. METHODS Between 2009 and 2013, data of 120 patients with multilevel degenerative thoracolumbar spinal disease who underwent long instrumented fusion were collected retrospectively. Perioperative radiographic and functional parameters were measured and analyzed for their correlations. Receiver operating characteristic (ROC) method was used to define ideal cutoff points of postoperative spinopelvic alignment to avoid poor outcome. RESULTS Oswestry disability index (ODI) more than or equal to 20 or Visual analogue scale (VAS) more than or equal to 4 were defined as poor functional outcomes. The optimal cutoff points of the radiographic parameters were found as below: the mismatch between pelvic incidence and lumbar lordosis was 16.2°, sagittal vertical axis was 38.5 mm, and pelvic tilt was 23.4°. Poor functional outcomes were significantly correlated with bad sagittal alignment, older age, and poor preoperative function. CONCLUSION Postoperative functional outcomes were highly impacted by the spinopelvic sagittal alignment. LEVEL OF EVIDENCE 4.
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Phan K, Xu J, Maharaj MM, Li J, Kim JS, Di Capua J, Somani S, Tan KA, Mobbs RJ, Cho SK. Outcomes of Short Fusion versus Long Fusion for Adult Degenerative Scoliosis: A Systematic Review and Meta-analysis. Orthop Surg 2018; 9:342-349. [PMID: 29178306 DOI: 10.1111/os.12357] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 06/01/2017] [Indexed: 12/28/2022] Open
Abstract
The objective of this study was to evaluate differences in clinical and radiographic outcomes between short (<3 levels) and long (≥3 levels) fusions in the setting of degenerative lumbar scoliosis. A literature search was performed from six electronic databases. The key terms of "degenerative scoliosis" OR "lumbar scoliosis" AND "fusion" were combined and used as MeSH subheadings. From relevant studies identified, demographic data, complication rates, Oswestry Disability Index (ODI), and radiographic parameters were extracted and the data was pooled and analyzed. Long fusion was associated with comparable overall complication rates to short fusion (17% vs 14%, P = 0.20). There was a significant difference in the incidence of pulmonary complications when comparing short versus long fusion (0.42% vs 2.70%; P = 0.02). No significant difference was found in terms of motor, sensory complications, infections, construct-related or cardiac complications, pseudoarthrosis, dural tears, cerebrospinal fluid (CSF) leak, or urinary retention. A longer fusion was associated with a greater reduction in coronal Cobb angle and increases in lumbar lordosis, but both findings failed to achieve statistical significance. The ODI was comparable across both cohorts. If shorter fusion lengths are clinically indicated, they should be used instead of longer fusion lengths to reduce perioperative time, costs, and some other complications. However, there are no statistically significant differences in terms of radiographically measurable restoration associated with a short or long fusion.
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Affiliation(s)
- Kevin Phan
- NeuroSpine Surgery Research Group (NSURG), Prince of Wales Private Hospital, Sydney, Australia.,Faculty of Medicine, University of New South Wales (UNSW), Sydney, Australia
| | - Joshua Xu
- NeuroSpine Surgery Research Group (NSURG), Prince of Wales Private Hospital, Sydney, Australia
| | - Monish M Maharaj
- NeuroSpine Surgery Research Group (NSURG), Prince of Wales Private Hospital, Sydney, Australia.,Faculty of Medicine, University of New South Wales (UNSW), Sydney, Australia
| | - Julian Li
- NeuroSpine Surgery Research Group (NSURG), Prince of Wales Private Hospital, Sydney, Australia.,Faculty of Medicine, University of New South Wales (UNSW), Sydney, Australia
| | - Jun S Kim
- Leni & Peter W. May Department of Orthopaedic Surgery, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - John Di Capua
- Leni & Peter W. May Department of Orthopaedic Surgery, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Sulaiman Somani
- Leni & Peter W. May Department of Orthopaedic Surgery, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Kimberly-Anne Tan
- Faculty of Medicine, University of New South Wales (UNSW), Sydney, Australia
| | - Ralph J Mobbs
- NeuroSpine Surgery Research Group (NSURG), Prince of Wales Private Hospital, Sydney, Australia.,Faculty of Medicine, University of New South Wales (UNSW), Sydney, Australia
| | - Samuel K Cho
- Leni & Peter W. May Department of Orthopaedic Surgery, Icahn School of Medicine at Mount Sinai, New York, New York, USA
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Complications in adult spine deformity surgery: a systematic review of the recent literature with reporting of aggregated incidences. 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 2018; 27:2272-2284. [DOI: 10.1007/s00586-018-5535-y] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 01/16/2018] [Accepted: 02/24/2018] [Indexed: 10/17/2022]
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Pseudarthrosis in adult and pediatric spinal deformity surgery: a systematic review of the literature and meta-analysis of incidence, characteristics, and risk factors. Neurosurg Rev 2018; 42:319-336. [PMID: 29411177 DOI: 10.1007/s10143-018-0951-3] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 01/18/2018] [Accepted: 01/25/2018] [Indexed: 01/11/2023]
Abstract
We conducted a systematic review with meta-analysis and qualitative synthesis. This study aims to characterize pseudarthrosis after long-segment fusion in spinal deformity by identifying incidence rates by etiology, risk factors for its development, and common features. Pseudarthrosis can be a painful and debilitating complication of spinal fusion that may require reoperation. It is poorly characterized in the setting of spinal deformity. The MEDLINE, EMBASE, and Cochrane databases were searched for clinical research including spinal deformity patients treated with long-segment fusions reporting pseudarthrosis as a complication. Meta-analysis was performed on etiologic subsets of the studies to calculate incidence rates for pseudarthrosis. Qualitative synthesis was performed to identify characteristics of and risk factors for pseudarthrosis. The review found 162 articles reporting outcomes for 16,938 patients which met inclusion criteria. In general, the included studies were of medium to low quality according to recommended reporting standards and study design. Meta-analysis calculated an incidence of 1.4% (95% CI 0.9-1.8%) for pseudarthrosis in adolescent idiopathic scoliosis, 2.2% (95% CI 1.3-3.2%) in neuromuscular scoliosis, and 6.3% (95% CI 4.3-8.2%) in adult spinal deformity. Risk factors for pseudarthrosis include age over 55, construct length greater than 12 segments, smoking, thoracolumbar kyphosis greater than 20°, and fusion to the sacrum. Choice of graft material, pre-operative coronal alignment, post-operative analgesics, and sex have no significant impact on fusion rates. Older patients with greater deformity requiring more extensive instrumentation are at higher risk for pseudarthrosis. Overall incidence of pseudarthrosis requiring reoperation is low in adult populations and very low in adolescent populations.
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Yagi M, Ohne H, Kaneko S, Machida M, Yato Y, Asazuma T. Does corrective spine surgery improve the standing balance in patients with adult spinal deformity? Spine J 2018; 18:36-43. [PMID: 28549902 DOI: 10.1016/j.spinee.2017.05.023] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 04/06/2017] [Accepted: 05/19/2017] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT The effect of corrective spine surgery on standing stability in adult spinal deformity (ASD) has not been fully documented. PURPOSE To compare pre- and postoperative standing balance and posture in patients with ASD. STUDY DESIGN/SETTING This study is a prospective case series. PATIENT SAMPLE Standing balance before and after corrective spine surgery was compared in 35 consecutive female patients with ASD (65.6±6.9 years, body mass index 22.3±2.7 kg/m2, Cobb angle 50.2±19.2°, C7 plumb line 9.3±5.6 cm, and pelvic incidence-lumbar lordosis mismatch 40.8±23.3°). OUTCOME MEASURES The Scoliosis Research Society Patient Questionnaire, the Oswestry Disability Index, and force-plate analysis were used to evaluate the patient outcomes. MATERIALS AND METHODS We reviewed patient charts and X-rays and compared standing balance before and after corrective spine surgery. All subjects were assessed by force-plate analysis using optical markers while standing naturally on a custom-built force platform. The spinal tilt, pelvic obliquity, pelvic tilt, and joint angle were calculated. The lower leg lean volume was obtained by whole-body dual X-ray absorptiometry to assess muscle strength. RESULTS ASD patients showed significant differences between the left and right sides in ground reaction force (dGRFs), hip (dHip), and knee angle (dKnee) while standing (dGRF 15.1±8.7%, dHip 7.1±6.6°, dKnee 5.9±5.5°). The recorded center-of-gravity (CoG) area was not improved after surgery, whereas the dGRF, dHip, and dKnee all decreased. The spinal tilt, pelvic obliquity, and pelvic tilt were all significantly improved after surgery. We found significant correlations between the radiographic trunk shift and the postoperative coronal CoG distance and recorded CoG area, and between the sagittal CoG distance and the age and the lean volume of the lower extremities (trunk shift R=0.33, 0.45; age R=0.32; lean volume R=0.31). CONCLUSIONS Corrective spinal surgery improved the spinal alignment and joint angles in patients with ASD but did not improve the standing stability. A correlation found between the sagittal CoG distance and the lean volume of the lower extremities indicated the importance of the leg muscles for stability when standing, whereas a correlation found between the coronal CoG distance and trunk shift reflected the attenuated postural response in the ASD patients.
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Affiliation(s)
- Mitsuru Yagi
- Department of Orthopedic Surgery, National Hospital Organization, Murayama Medical Center, Tokyo, Japan; Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan.
| | - Hideaki Ohne
- Department of Orthopedic Surgery, National Hospital Organization, Murayama Medical Center, Tokyo, Japan
| | - Shinjiro Kaneko
- Department of Orthopedic Surgery, National Hospital Organization, Murayama Medical Center, Tokyo, Japan
| | - Masafumi Machida
- Department of Orthopedic Surgery, National Hospital Organization, Murayama Medical Center, Tokyo, Japan
| | - Yoshiyuki Yato
- Department of Orthopedic Surgery, National Hospital Organization, Murayama Medical Center, Tokyo, Japan
| | - Takashi Asazuma
- Department of Orthopedic Surgery, National Hospital Organization, Murayama Medical Center, Tokyo, Japan
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Castle-Kirszbaum MD, Tee JW, Chan P, Hunn MK. Obesity in Neurosurgery: A Narrative Review of the Literature. World Neurosurg 2017. [DOI: 10.1016/j.wneu.2017.06.049] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Abstract
STUDY DESIGN A prospective case series. OBJECTIVE The aim of this study was to compare the standing balance and posture between patients with adult spinal deformity (ASD) and healthy volunteers (HVs). SUMMARY OF BACKGROUND DATA The effect of ASD on standing posture and balance has not been fully documented. METHODS Forty consecutive female patients with ASD (65.4 ± 6.7 yrs, Cobb angle 48.6 ± 20.2°, C7PL 9.1 ± 6.4 cm, and PI-LL 41.1 ± 25.2°) and 33 matched HV (72.4 ± 4.6 yrs) were included. We reviewed charts and x-rays from ASDs and categorized the patients as having a PI-LL mismatch that was severe (>20°) or moderate (10°<PI-LL<20°). We compared the standing balance with that of 33 matched HVs. All subjects underwent motion analysis while standing naturally on a custom-built force platform using optical markers on the ear canal and on all joints and spinal processes. The distances from the center of gravity (CoG) to the head, heel, and sacrum were also measured, and the spinal tilt, pelvic obliquity, and pelvic tilt were calculated. RESULTS There were significant differences between the ASDs and HVs in the recorded CoG area (RecCoG), and the left-to-right differences in ground reaction force (dGRF), hip angle (dHip), and the knee angle (dKnee) while standing. The sagittal CoG distance, head-CoG distance, and sacrum-CoG distance were significantly worse in ASDs. Multiple regression analysis showed a significant correlation between two-dimensional head deviation and hip angle, thoracolumbar kyphosis, spinal tilt, and head-sacrum distance in the severe PI-LL mismatch group and in knee angle, pelvic obliquity, and pelvic retroversion in the moderate PI-LL mismatch group. CONCLUSION ASDs had significantly worse standing balance, and were found to compensate for spinal malalignment mostly through the knee and pelvis in both the coronal and sagittal planes to maintain the CoG. As a surrogate of this compensation, we observed significant head deviation, pelvic shift, and truncal sway in ASDs. LEVEL OF EVIDENCE 4.
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Acaroglu E, Guler UO, Cetinyurek-Yavuz A, Yuksel S, Yavuz Y, Ayhan S, Domingo-Sabat M, Pellise F, Alanay A, Perez Grueso FS, Kleinstück F, Obeid I. Decision analysis to identify the ideal treatment for adult spinal deformity: What is the impact of complications on treatment outcomes? ACTA ORTHOPAEDICA ET TRAUMATOLOGICA TURCICA 2017; 51:181-190. [PMID: 28454778 PMCID: PMC6197456 DOI: 10.1016/j.aott.2017.03.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Revised: 01/19/2017] [Accepted: 03/05/2017] [Indexed: 11/08/2022]
Abstract
Objective The aim of this study was to analyze the impact of treatment complications on outcomes in adult spinal deformity (ASD) using a decision analysis (DA) model. Methods The study included 535 ASD patients (371 with non-surgical (NS) and 164 with surgical (S) treatment) from an international multicentre database of ASD patients. DA was structured in two main steps; 1) Baseline analysis (Assessing the probabilities of outcomes, Assessing the values of preference -utilities-, Combining information on probability and utility and assigning the quality adjusted life expectancy (QALE) for each treatment) and 2) Sensitivity analysis. Complications were analyzed as life threatening (LT) and nonlife threatening (NLT) and their probabilities were calculated from the database as well as a thorough literature review. Outcomes were analyzed as improvement, no change and deterioration. Death/complete paralysis was considered as a separate category. Results All 535 patients were analyzed in regard to complications. Overall, there were 78 NLT and 12 LT complications and 3 death/paralysis. Surgical treatment offered significantly higher chances of clinical improvement but also was significantly more prone to complications (31.7% vs. 11.1%, p < 0.001). Conclusion Surgical treatment of ASD is more likely to cause complications compared to NS treatment. On the other hand, surgery has been shown to provide a higher likelihood of improvement in HRQoL scores. So, the decision on the type of treatment in ASD needs to take both chances of improvement and burden associated with S or NS treatments and better be arrived by the active participation of patients and physicians equipped with the present information. Level of evidence Level II, Decision analysis.
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Epstein NE. More risks and complications for elective spine surgery in morbidly obese patients. Surg Neurol Int 2017; 8:66. [PMID: 28540132 PMCID: PMC5421202 DOI: 10.4103/sni.sni_49_17] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Accepted: 02/15/2017] [Indexed: 11/06/2022] Open
Abstract
Background: The vast majority of studies emphasize the greater morbidity/mortality for elective spine surgery in morbidly obese patients. Methods: This review focuses on the increased morbidity/mortality of performing elective spinal operations in morbidly obese patients. There are two definitions of morbid obesity; a body mass index (BMI) of equal to or greater than 35 plus two major comorbid factors (e.g., hypertension, diabetes, etc.) or a BMI (morbidly obese III) of =≥40 kg/m2. Results: For patients undergoing spinal surgery, morbid obesity increases perioperative morbidity/mortality for various reasons. The quality of preoperative and intraoperative imaging is often compromised potentially leading to mistaken preoperative diagnoses, and wrong level surgery. Resultant major technical surgical limitations include poor/inadequate operative exposure, and the risk of suboptimal placement of instrumentation There is also increased exposure to major perioperative complications such as deep venous thrombosis, pulmonary embolism, infection, pneumonia, cardiac complications, blindness in the prone position, brachial and lumbar plexus injuries, increased anesthetic risks (e.g., even using awake intubation/awake positioning), and postoperative wound seromas/hematomas. Conclusions: Most of the spinal literature documents the marked increased perioperative morbidity/mortality for morbidly obese patients undergoing elective spine surgery. If elective surgery is warranted in these patients, the risks and timing of surgical intervention should include consideration of major preoperative weight loss strategies including bariatric procedures to optimize outcomes.
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Affiliation(s)
- Nancy E Epstein
- Department of Neuroscience, Winthrop Neuroscience, Winthrop University Hospital, Mineola, New York, USA
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Is Obesity in Adolescent Idiopathic Scoliosis Associated With Larger Curves and Worse Surgical Outcomes? Spine (Phila Pa 1976) 2017; 42:E156-E162. [PMID: 27254656 DOI: 10.1097/brs.0000000000001721] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN A multicenter retrospective study of preoperative characteristics and surgical outcomes in adolescent idiopathic scoliosis (AIS). OBJECTIVE To determine the effect of obesity on (i) curve magnitude at first presentation to an orthopedic surgeon, and (ii) surgical outcomes. SUMMARY OF BACKGROUND DATA Clinical findings for scoliosis may be less apparent in overweight adolescents. The effect of obesity on curve magnitude at presentation to an orthopedic surgeon has not been studied. It is unclear whether obesity is associated with worse surgical outcomes in AIS. METHODS Demographic, radiographic, perioperative, and complications data were collected on AIS patients who had undergone posterior spinal fusion (PSF). Descriptive and inferential analyses were conducted to compare healthy-weight (HW) [body mass index percentile for age (BMI%) ≤ 84], overweight (OW; BMI% ≥ 85), and obese (OB; BMI% ≥ 95) adolescents. RESULTS We analyzed 588 patients (454 HW, 134 OW, and 71 OB). In comparison with the HW adolescents, major curve magnitude at presentation to orthopedics was larger in the OW adolescents (49.3° vs. 43.9°) (P < 0.0001) and OB adolescents (50.4° vs. 43.9°) (P = 0.001). The OW and OB groups had increased preoperative major curve magnitude [(59.1° vs. 55.4°) (P = 0.001); (59.9° vs. 55.4°) (P = 0.001)], preoperative minor curve magnitude [(42.2° vs. 37.2°) (P < 0.0001); (43.0° vs. 37.2°) (P = 0.001)], preoperative thoracic kyphosis [(30.8° vs. 25.7°) (P < 0.0001); (33.7° vs. 25.7°) (P < 0.0001)], and surgical time [(307 vs. 276 mins) (P = 0.009); (320 vs. 276 mins) (P = 0.005)] than the HW group.Subgroup analysis of the patients with a minimum 2-year follow-up (n = 245) showed a trend towards a higher complication rate in the OB group (47.8% vs. 28.3%) (P = 0.054). The OB group had significantly more superficial infections than the HW group (13.0% vs. 1.6%) (P = 0.001). CONCLUSION OW patients with AIS have a larger curve magnitude at presentation to an orthopedic surgeon. OW patients who undergo PSF for AIS have increased surgical times. OB patients may be at higher risk of postoperative complications. LEVEL OF EVIDENCE 3.
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Abstract
Adult spinal deformity (ASD) is a very diverse condition that affects the quality of life of the involved individuals deeply. There is an ongoing discussion as to whether treatment should be surgical (which is potentially dangerous) or non-surgical.In addition to a systematic review of literature on the surgical treatment of ASD with special emphasis on complications, a decision-analysis was performed using the patient information within a European multi-centric database of ASD.The probabilities of improvement and complications as well as associated disease burden (utility) were calculated at the baseline and at first-year follow-up.Decision-analysis suggests that the chances of clinical improvement are significantly higher with surgical treatment. Though surgical treatment is significantly more prone to complications, the likelihood of improvement remains higher than that offered by non-surgical treatment.Surgical treatment of ASD appears to be associated with a higher likelihood of clinical improvement. Future work needs to focus on refining the criteria for appropriate patient selection and decreasing the incidence of complications. Cite this article: Acaroglu E, European Spine Study Group. Decision-making in the treatment of adult spinal deformity. EFORT Open Rev 2016;1:167-176. DOI: 10.1302/2058-5241.1.000013.
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Affiliation(s)
- Emre Acaroglu
- Ankara ARTES Spine and Spinal Cord Center, Ankara, Turkey
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Park P, Wang MY, Nguyen S, Mundis GM, La Marca F, Uribe JS, Anand N, Okonkwo DO, Kanter AS, Fessler R, Eastlack RK, Chou D, Deviren V, Nunley PD, Shaffrey CI, Mummaneni PV. Comparison of Complications and Clinical and Radiographic Outcomes Between Nonobese and Obese Patients with Adult Spinal Deformity Undergoing Minimally Invasive Surgery. World Neurosurg 2016; 87:55-60. [DOI: 10.1016/j.wneu.2015.12.024] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Revised: 11/30/2015] [Accepted: 12/01/2015] [Indexed: 11/25/2022]
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Griffin JW, Werner BC, Gwathmey FW, Chhabra AB. Obesity is associated with increased postoperative complications after total elbow arthroplasty. J Shoulder Elbow Surg 2015; 24:1594-601. [PMID: 26385389 DOI: 10.1016/j.jse.2015.06.016] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2014] [Revised: 06/11/2015] [Accepted: 06/22/2015] [Indexed: 02/01/2023]
Abstract
BACKGROUND Obesity has become a significant public health concern in the United States. Few published data have examined the association between obesity and postoperative complications after total elbow arthroplasty (TEA). METHODS Patients who underwent TEA were identified using the PearlDiver database Current Procedural Terminology codes. Patients were divided into obese and nonobese cohorts using International Classification of Diseases, Ninth Revision codes. Each cohort was then assessed for major and minor complications within 90 days postoperatively. Odds ratios, 95% confidence intervals, and χ(2) tests were calculated, with P < .05 considered significant. RESULTS From 2005 to 2011, 7580 patients who underwent TEA were identified, of whom 1030 patients (14%) were coded as obese (body mass index > 30) and 611 patients (8%) were coded as morbidly obese (body mass index > 40). The obese TEA patients had increased risk of 90-day major and minor complications. The rate of postoperative venous thromboembolism differed significantly between groups, with a trend toward a higher venous thromboembolism rate in obese patients (2.2%) vs. nonobese patients (0.7%). Rate of postoperative stiffness was similar between groups. Infection rates were higher in obese patients compared with nonobese patients. Medical complications were higher in obese patients (16.7%) compared with the nonobese cohort (4.7%). A significant difference in implant removal was notable at 6 months and 1 year in morbidly obese patients compared with nonobese counterparts. CONCLUSIONS Obesity and associated medical comorbidities place patients at increased risk for complications after TEA. Obese patients and especially morbidly obese patients thinking of undergoing TEA should be appropriately counseled preoperatively about their increased risk for complications.
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Affiliation(s)
- Justin W Griffin
- Department of Orthopaedic Surgery, University of Virginia Health System, Charlottesville, VA, USA
| | - Brian C Werner
- Department of Orthopaedic Surgery, University of Virginia Health System, Charlottesville, VA, USA
| | - F Winston Gwathmey
- Department of Orthopaedic Surgery, University of Virginia Health System, Charlottesville, VA, USA
| | - A Bobby Chhabra
- Department of Orthopaedic Surgery, University of Virginia Health System, Charlottesville, VA, USA.
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Lee SJ, Chang JY, Ryu YJ, Lee JH, Chang JH, Shim SS, Hwang JY. Clinical Features and Outcomes of Respiratory Complications in Patients with Thoracic Hyperkyphosis. Lung 2015; 193:1009-15. [PMID: 26307506 DOI: 10.1007/s00408-015-9795-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2015] [Accepted: 08/19/2015] [Indexed: 12/16/2022]
Abstract
INTRODUCTION There are few data about thoracic hyperkyphosis which focused on respiratory events and prognoses. We investigated the clinical features and outcomes of respiratory complications requiring hospitalization in patients with thoracic hyperkyphosis. METHODS Following a retrospective review of the medical records between 2002 and 2011, we included 51 patients with thoracic hyperkyphosis who had visited the respiratory department due to respiratory symptoms. RESULTS Of total 51 patients, 35 patients were hospitalized due to respiratory events. Among 56 total hospitalized events, acute respiratory failure (ARF) (n = 18) and exacerbation of a chronic airway disorder (n = 18) were the most common causes. Respiratory events related mortality was 13.7 % (7/51). The median value of the thoracic kyphosis angle was 89.0°. The ratio of the measured kyphosis angle to the normal value according to age and sex showed the median value of 2.38 (interquartile range 1.61-2.87). This ratio was negatively correlated with both predicted forced vital capacity (γ = -0.647, p < 0.0001) and predicted forced expiratory volume for 1 s (γ = -0.518, p = 0.008). After adjustments for age and sex, hyperkyphosis (angle ≥90°) was not found to influence the development of ARF (hazard ratio 3.2; 95 % confidence interval, 0.86-12.14; p = 0.082). CONCLUSIONS Patients with thoracic hyperkyphosis presenting to a respiratory department with respiratory issues commonly experienced respiratory events requiring hospitalization and had a poor prognosis. In addition, the severity of the kyphosis angle was correlated with respiratory insufficiency although it was not a risk factor for the development of ARF.
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Affiliation(s)
- Seok Jeong Lee
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Ewha Medical Center and Ewha Medical Research Institute, Ewha Womans University School of Medicine, 1071, Anyangcheon-ro, Yangcheon-Gu, Seoul, 07985, Republic of Korea
| | - Ji Young Chang
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Ewha Medical Center and Ewha Medical Research Institute, Ewha Womans University School of Medicine, 1071, Anyangcheon-ro, Yangcheon-Gu, Seoul, 07985, Republic of Korea
| | - Yon Ju Ryu
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Ewha Medical Center and Ewha Medical Research Institute, Ewha Womans University School of Medicine, 1071, Anyangcheon-ro, Yangcheon-Gu, Seoul, 07985, Republic of Korea.
| | - Jin Hwa Lee
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Ewha Medical Center and Ewha Medical Research Institute, Ewha Womans University School of Medicine, 1071, Anyangcheon-ro, Yangcheon-Gu, Seoul, 07985, Republic of Korea
| | - Jung Hyun Chang
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Ewha Medical Center and Ewha Medical Research Institute, Ewha Womans University School of Medicine, 1071, Anyangcheon-ro, Yangcheon-Gu, Seoul, 07985, Republic of Korea
| | - Sung Shine Shim
- Department of Radiology, Ewha Medical Center and Ewha Medical Research Institute, Ewha Womans University School of Medicine, Seoul, Republic of Korea
| | - Ji Young Hwang
- Department of Radiology, Ewha Medical Center and Ewha Medical Research Institute, Ewha Womans University School of Medicine, Seoul, Republic of Korea
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Wang G, Hu J, Liu X, Cao Y. Surgical treatments for degenerative lumbar scoliosis: a meta 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 2015; 24:1792-9. [PMID: 25900294 DOI: 10.1007/s00586-015-3942-x] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Revised: 04/07/2015] [Accepted: 04/07/2015] [Indexed: 12/24/2022]
Abstract
PURPOSE Degenerative lumbar scoliosis (DLS) is a spinal deformity that typically develops in adults over 50 years old. Although its etiology is unclear, asymmetric degeneration of the spine is the main cause. Individuals with DLS may experience no symptoms of the deformity, mild symptoms, or severe disability. Most patients with DLS receive conservative treatment, while a small number of patients receive surgery for severe DLS with back pain and/or progressive neurological symptoms. A variety of surgical procedures have emerged. However, a systemic comparison of these surgical procedures is currently unavailable. This study reviews the main outcomes and complications of surgical treatments. METHODS A meta analysis of main outcomes and complications of surgical treatments of DLS was conducted through searching PubMed and EMbase databases. RESULTS A total of 45 studies were included in this study, which were classified into four surgical categories. Nine studies utilized isolated decompression, 12 used short interbody fusion, 17 used long interbody fusion, and 11 studies included patients using short or long interbody fusion or surgery other than fusion, respectively. Decompression surgery is used to release the symptoms of neurogenic claudication. Spine fusion is widely utilized to prevent worsening of the curve. Instrumentation has been used together with fusion to straighten the spine, correct sagittal imbalance, and repair rotational defects. Decompression is commonly combined with fusion surgery when treating an individual with DLS. CONCLUSION Despite a high rate of complications, this review demonstrates that surgery is an effective and reasonable treatment intervention for severe DLS and ultimately improves spine function and deformity. This review also suggests that large scale, high quality studies with long term follow-up are needed to provide more reliable evidence for future evaluation.
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Affiliation(s)
- Guohua Wang
- Department of Spine Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, People's Republic of China
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Obesity is associated with increased postoperative complications after operative management of proximal humerus fractures. J Shoulder Elbow Surg 2015; 24:593-600. [PMID: 25440511 DOI: 10.1016/j.jse.2014.08.028] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2014] [Revised: 08/25/2014] [Accepted: 08/25/2014] [Indexed: 02/01/2023]
Abstract
BACKGROUND Obesity has become a significant public health concern in the United States. The goal of this study was to assess the effect of obesity on postoperative complications after operative management of proximal humerus fractures by use of a national database. METHODS Patients who underwent operative management of a proximal humerus fracture were identified in a national database by Current Procedural Terminology codes for procedures in patients with International Classification of Diseases, Ninth Revision (ICD-9) codes for proximal humerus fracture, including (1) open reduction and internal fixation, (2) intramedullary nailing, (3) hemiarthroplasty, and (4) total shoulder arthroplasty. These groups were then divided into obese and nonobese cohorts by use of ICD-9 codes for obesity, morbid obesity, or body mass index >30. Each cohort was then assessed for local and systemic complications within 90 days and mortality within 2 years postoperatively. Odds ratios and 95% confidence intervals were calculated. RESULTS From 2005 to 2011, 20,319 patients who underwent operative management of proximal humerus fractures were identified, including 14,833 (73.0%) open reduction and internal fixation, 1368 (9.2%) intramedullary nail, 3391 (16.7%) hemiarthroplasty, and 727 (3.6%) shoulder arthroplasty. Overall, 3794 patients (18.7%) were coded as obese, morbidly obese, or body mass index >30. In each operative group, obesity was associated with a substantial increase in local and systemic complications. CONCLUSIONS Obesity and its resultant medical comorbidities are associated with increased rates of postoperative complications after operative management of proximal humerus fractures. Obese patients for whom operative management of proximal humerus fractures is planned should be counseled preoperatively about their increased risk for postoperative complications.
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