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Basilar Impression: A Systematic Review and Meta-Analysis of Clinical Features, Operative Strategies and Outcomes. World Neurosurg 2024:S1878-8750(24)00746-0. [PMID: 38729521 DOI: 10.1016/j.wneu.2024.04.174] [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: 04/11/2024] [Accepted: 04/29/2024] [Indexed: 05/12/2024]
Abstract
OBJECTIVE Basilar Impression (BI) is a rare yet debilitating abnormality of the craniovertebral junction (CVJ), known to cause life-threatening medullary brainstem compression. Our study analyzes surgical approaches for BI and related outcomes. METHODS A systematic review was conducted using PubMed, Google Scholar, and Web of Science electronic databases according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines to critically assess primary articles examining BI. RESULTS We analyzed 87 patients from 65 articles, mostly female (55.17%) with a mean age of 46.31 ± 17.94 years, commonly presenting with motor (59.77%) and sensory deficits (55.17%). Commonly employed procedures included posterior occipitocervical fusion (24.14%), anterior decompression (20.69%), and combined anterior decompression with posterior fusion (21.84%). Patients who underwent anterior approaches were found to be older (55.38 ± 17.67 vs. 45.49 ± 18.78 years, p < 0.05) and had a longer duration from symptom onset to surgery (57.39 ± 64.33 vs. 26.02 ± 29.60 months, p < 0.05) compared to posterior approaches. Our analysis revealed a significant association between a longer duration from symptom onset to surgery and an increased likelihood of undergoing odontoidectomy and decompression (OR: 1.02, 95% CI: 1.00-1.03, p < 0.05). Furthermore, after adjusting for all other covariates, a history of rheumatoid arthritis and the use of a posterior approach were significantly associated with an elevated risk of postoperative complications (p < 0.05). CONCLUSIONS The treatment approach to complex CVJ disease should be tailored to the surgeon's experience and the nature of the compressive pathology.
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Response to the Letter to the Editor on "Psoas Muscle Index as a Predictor of Perioperative Outcomes in Geriatric Patients Undergoing Spine Surgery". Global Spine J 2024; 14:1450-1451. [PMID: 37939318 DOI: 10.1177/21925682231214658] [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: 11/10/2023] Open
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Age is Associated with Level of First-Time Anterior Cervical Discectomy and Fusion: An Ordinal Analysis of Factors Influencing Timing of Cervical Degeneration. World Neurosurg 2024:S1878-8750(24)00597-7. [PMID: 38614370 DOI: 10.1016/j.wneu.2024.04.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Accepted: 04/07/2024] [Indexed: 04/15/2024]
Abstract
BACKGROUND Symptomatic cervical spondylosis is often treated with anterior cervical decompression and fusion (ACDF). However, few factors can predict which cervical level will degenerate and require intervention. This analysis evaluates pre-procedural factors associated with level of first-time single-level ACDF. METHODS We performed a retrospective analysis of patients who underwent single-level ACDF without prior history of spine surgery. Mann Whitney U-tests and Spearman rank-order correlation were performed for analyses of associations between variables of interest and ACDF level. Adjusted odds-ratios were calculated by proportional-odds logistic regression, with age, sex, body mass index (BMI), current tobacco use, history of neck trauma, preoperative radicular symptoms, and preoperative myelopathic symptoms as covariates. RESULTS 141 patients met inclusion criteria, and age demonstrated a negative correlation with ACDF level, such that younger patients tended to have ACDF performed at inferior subaxial levels (p=0.0006, rho = -0.31, moderately strong relationship). Patients with pre-operative radicular symptoms and myelopathic symptoms were more likely to have ACDF performed at inferior (p=0.0001) and superior (p<0.0001) levels, respectively. Patient sex, BMI, current tobacco use, and history of neck trauma were not predictive of ACDF level. When adjusting for the above variables in a proportional-odds ordinal logistic regression model, a one year increase in age conferred a 4% increase in the odds of requiring an ACDF at a given superior level compared to the adjacent inferior level. CONCLUSIONS Age is correlated with level of first-time single level ACDF. Individual subaxial levels may have unique biomechanical properties that influence degeneration.
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A 3-Year Study Investigating the Utility of Patient-Reported Outcomes Measurement Information System-29 for Long-Term Follow-Up in Adult Spinal Deformity. World Neurosurg 2024:S1878-8750(24)00551-5. [PMID: 38583560 DOI: 10.1016/j.wneu.2024.03.165] [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: 12/18/2023] [Revised: 03/27/2024] [Accepted: 03/28/2024] [Indexed: 04/09/2024]
Abstract
BACKGROUND Adult spinal deformity (ASD) significantly impacts the quality of life due to three-dimensional spinal abnormalities. Patient-reported outcome measures, such as the Patient-Reported Outcomes Measurement Information System (PROMIS-29), play a crucial role in assessing postoperative outcomes. This study aims to investigate trends in PROMIS-29 scores over 36 months in patients undergoing long-segment thoracolumbar fusion for ASD and provide insights into its long-term utility. METHODS A retrospective study including 163 ASD patients undergoing long-segment thoracolumbar fusion was conducted. PROMIS-29 scores were collected at baseline and at postoperative (0-), 3-, 6-, 12-, 18-, 24-, 30-, and 36-month follow-ups. Statistical analyses was performed to assess significant score changes from baseline and in consecutive recordings. RESULTS Significant improvements in all PROMIS-29 categories were observed at 36 months, with the greatest changes in pain intensity (-35.19%, P < 0.001), physical function (+29.13%, P < 0.001), and pain interference (-28.8%, P < 0.001). Between the 0 and 3 month mark, the greatest significant changes were recorded in pain intensity (-26.5%, P < 0.001), physical function (+24.3%, P < 0.001), and anxiety (-16.9%, P < 0.018). However, scores plateaued after the 3-month mark, with zero categories showing significant changes with subsequent consecutive recordings. CONCLUSIONS PROMIS-29 scores demonstrated notable improvements in ASD patients particularly in pain intensity, pain interference, and physical function. However, scores plateaued beyond the 3-month mark, suggesting PROMIS-29's limited sensitivity to nuanced changes in long-term patient recovery. Future investigations exploring optimal combinations of patient reported outcome measures for comprehensive short- and long-term outcome assessments in ASD surgery would be beneficial.
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Trends of the Oswestry Disability Index in Adult Spinal Deformity Patients: A 3-Year Study. World Neurosurg 2024; 181:e947-e952. [PMID: 37952881 DOI: 10.1016/j.wneu.2023.11.018] [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: 09/07/2023] [Revised: 11/04/2023] [Accepted: 11/06/2023] [Indexed: 11/14/2023]
Abstract
BACKGROUND Patients with adult spinal deformity (ASD) undergoing operative treatment may have varying degrees of improvement in patient-reported outcomes. The Oswestry Disability Index (ODI) assesses improvement in quality of life. We aim to measure longitudinal outcomes of ODI scores over 3 years to determine if early ODI scores predict late ODI scores and to analyze longitudinal changes in ODI scores. METHODS Two hundred thirty-five patients above the age of 18 who underwent surgical correction of ASD at a single institution from 2016 to 2021 and completed ODI questionnaires at follow-up appointments met inclusion criteria. ODI scores were included from follow-up visits at 0 months (immediately postoperative) and within ±1 month of 3, 6, 12, 18, 24, 30, and 36 months. Percent change in ODI from 0 months was calculated, and unpaired t tests were conducted. RESULTS ODI scores increased by 8.8% immediately postoperatively, and the percent change from preoperative ODI scores at each subsequent visit were as follows: -11.1% at 3 months, -21.4% at 6 months, -25.4% at 12 months, -28% at 18 months, -31.3% at 24 months, -25.7% at 30 months, and -36.5% at 36 months. ODI scores at each follow-up visit showed significant improvement from baseline (P < 0.001). There was an improvement in scores from 3 to 6 months (P = 0.04), but no significant difference in 6-month interval visits following 6 months. CONCLUSIONS Our results demonstrate a significant and sustained improvement in ODI scores over 3 years following surgical correction of ASD. ODI scores were stable after 6 months, indicating that ODI scores at 6 months may be predictive of scores out to 3 years postoperatively. Examining individual components of ODI sub-scores and comparing ODI results to other PROMs are critical to better assess long-term outcomes in ASD.
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3D-Printed Spine Models for Planning Staged Minimally Invasive Transverse Process Resections for Bertolotti Syndrome: Technical Note. J Orthop Case Rep 2024; 14:88-91. [PMID: 38292111 PMCID: PMC10823808 DOI: 10.13107/jocr.2024.v14.i01.4152] [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: 10/20/2023] [Revised: 11/18/2023] [Indexed: 02/01/2024] Open
Abstract
Background Three-dimensional (3D) printing has enabled numerous advances in spine surgery execution and education. However, few examples exist to outline how this technology can aid the performance of complex spine surgery using minimally invasive surgery (MIS) techniques. Therefore, we present a case that illustrates the benefits of 3D-printed spine model production before and after correction of a congenital lumbosacral anomaly using an MIS approach. Case Report A 40-year-old woman with Bertolotti syndrome underwent a staged bilateral L6 MIS transverse process resection for the treatment of severe and progressive axial back pain which had repeatedly failed conservative management. 3D-printed spine models were used for pre- and post-operative surgical planning and patient counseling. Conclusion 3D-printed spine models can aid in the planning of complex spine cases suited for an MIS approach.
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Identifying Correlation Among Patient-Reported Outcome Measures: A Study of PROMIS-29, ODI, and VAS in Adult Spinal Deformity Patients. World Neurosurg 2024; 181:e1059-e1070. [PMID: 37967743 DOI: 10.1016/j.wneu.2023.11.039] [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: 09/07/2023] [Revised: 11/08/2023] [Accepted: 11/09/2023] [Indexed: 11/17/2023]
Abstract
BACKGROUND Adult spinal deformity (ASD) is becoming increasingly common in aging populations. Patient-reported outcome measures (PROMs) are self-reported patient surveys administered pre- and postoperatively that provide insight into patient improvement. We aim to compare 3 of the most utilized PROMs: PROMIS-29, Oswestry Disability Index (ODI), and Visual Analogue Scale (VAS), to investigate whether they provide unique and independent assessments of patient outcomes when assessed longitudinally. METHODS We retrospectively reviewed a database of ASD at UT Southwestern Medical Center between 2016 and 2021. Adult patients (>18 years old) were included if they underwent long-segment (>4 levels) thoracolumbar fusion. PROMIS-29, ODI, and VAS scores were collected preoperatively and at 3-, 6-, 12-, 18-, 24-, 30-, and 36-month follow-ups. Scores were recorded ±1 month of the time points. Pearson correlation coefficients for each PROM were then calculated in a pairwise fashion. RESULTS A total of 163 patients were included in our analysis. ODI and VAS showed significant covariance, with VAS Neck and VAS Back having Pearson coefficients of 0.95 and 0.94, respectively. ODI and PROMIS-29 also showed significant covariance, with Physical Function and ODI showing a Pearson coefficient of 0.95. PROMIS-29 and VAS demonstrated less correlation regarding Pain and Physical Function; however, they showed a significantly high Pearson coefficient when comparing VAS Back with PROMIS-29 Sleep and Pain Intensity (r = 0.97 and r = 0.96, respectively). CONCLUSIONS All 3 PROMs demonstrated significant correlation over 36 months, indicating that simultaneous administration of each during follow-up is redundant. The measure that provided the least unique information was ODI, as both VAS and PROMIS-29 demonstrated similar progression and assessed additional metrics. PROMIS-29 provided the same information as VAS and ODI, with extra facets of patient-reported outcomes, indicating that it may be a more comprehensive measure of longitudinal patient improvement.
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Excision of Giant Perineural Cyst Over the T1 Nerve Root With Neural Reconstruction: 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown) 2023; 25:e372. [PMID: 37668996 DOI: 10.1227/ons.0000000000000874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 06/14/2023] [Indexed: 09/06/2023] Open
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A Comparative Analysis of Frailty, Disability, and Sarcopenia With Patient Characteristics and Outcomes in Adult Spinal Deformity Surgery. Global Spine J 2023; 13:2345-2356. [PMID: 35384776 PMCID: PMC10538316 DOI: 10.1177/21925682221082053] [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: 11/17/2022] Open
Abstract
STUDY DESIGN Retrospective case series study. OBJECTIVES This study aims to compare preoperative indices, including the modified frailty index-11 (mFI-11), modified frailty index-5 (mFI-5), Oswestry Disability Index (ODI), and psoas muscle index (PMI), as they relate to outcomes in adult spinal deformity (ASD) surgery. METHODS We identified 235 patients who underwent thoracolumbar ASD surgery (≥4 levels). The mFI-11, mFI-5, ODI, and PMI were determined from preoperative visits and correlated to outcome measures, including perioperative transfusion, duration of anesthesia, hospital and ICU length of stay (LOS), discharge disposition, readmission, change in ODI at last follow-up, revision surgery, and mortality. RESULTS Our cohort had a mean age of 69.6 years and a male:female ratio of 1:2 with 177 undergoing an index surgery and 58 patients presenting after a failed multilevel fusion. The average number of levels fused was 9.3. The mFI-11 and mFI-5 were similar in predicting the need for intraoperative and postoperative transfusion. However, the mFI-11 was able to predict longer ICU and hospital LOS and mortality. The average preoperative ODI was 44.9% with an average decrease of 10.1% at the last follow-up. Preoperative ODI was the most significant predictor of postoperative change of ODI. Sarcopenia, defined as the lowest quartile of PMI values measured at L3 and L4, was not associated with any meaningful outcomes. CONCLUSION The mFI-11 better correlated with outcomes, indicating its increased prognostic value compared to other preoperative indices in ASD surgery. Preoperative ODI remains a significant predictor of postoperative change in ODI when evaluating ASD patients.
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Household Income as a Predictor for Surgical Outcomes and Opioid Use After Spine Surgery in the United States. Global Spine J 2023; 13:2124-2134. [PMID: 35007170 PMCID: PMC10538313 DOI: 10.1177/21925682211070823] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [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 Cross-Sectional Study. OBJECTIVES Socioeconomic status (SES) is a fundamental root of health disparities, however, its effect on surgical outcomes is often difficult to capture in clinical research, especially in spine surgery. Here, we present a large single-center study assessing whether SES is associated with cause-specific surgical outcomes. METHODS Patients undergoing spine surgery between 2015 and 2019 were assigned income in accordance with the national distribution and divided into quartiles based on the ZIP code-level median household income. We performed univariate, chi-square, and Analysis of Variance (ANOVA) analysis assessing the independent association of SES, quantified by household income, to operative outcomes, and multiple metrics of opioid consumption. RESULTS 1199 patients were enrolled, and 1138 patients were included in the analysis. Low household income was associated with the greatest rates of 3-month opioid script renewal (OR:1.65, 95% CI:1.14-2.40). In addition, low-income was associated with higher rates of perioperative opioid consumption compared to higher income including increased mean total morphine milligram equivalent (MME) 252.25 (SD 901.32) vs 131.57 (SD 197.46) (P < .046), and inpatient IV patient-controlled analgesia (PCA) MME 121.11 (SD 142.14) vs 87.60 (SD 86.33) (P < .023). In addition, household income was independently associated with length of stay (LOS), and emergency room (ER) revisits with low-income patients demonstrating significantly longer postop LOS and increasing postoperative ER visits. CONCLUSIONS Considering the comparable surgical management provided by the single institution, the associated differences in postoperative outcomes as defined by increased morbidities and opioid consumption can potentially be attributed to health disparities caused by SES.
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Development and Internal Validation of the Postoperative Analgesic Intake Needs Score: A Predictive Model for Post-Operative Narcotic Requirement after Spine Surgery. Global Spine J 2023; 13:2135-2143. [PMID: 35050806 PMCID: PMC10538320 DOI: 10.1177/21925682211072490] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
STUDY DESIGN Retrospective Cohort. OBJECTIVE The aim of this study was to develop a clinical tool to pre-operatively risk-stratify patients undergoing spine surgery based on their likelihood to have high postoperative analgesic requirements. METHODS A total of 1199 consecutive patients undergoing elective spine surgery over a 2-year period at a single center were included. Patients not requiring inpatient admission, those who received epidural analgesia, those who had two surgeries at separate sites under one anesthesia event, and those with a length of stay greater than 10 days were excluded. The remaining 860 patients were divided into a derivation and validation cohort. Pre-operative factors were collected by review of the electronic medical record. Total postoperative inpatient opioid intake requirements were converted into morphine milligram equivalents to standardize postoperative analgesic requirements. RESULTS The postoperative analgesic intake needs (PAIN) score was developed after the following predictor variables were identified: age, race, history of depression/anxiety, smoking status, active pre-operative benzodiazepine use and pre-operative opioid use, and surgical type. Patients were risk-stratified based on their score with the high-risk group being more likely to have high opioid consumption postoperatively compared to the moderate and low-risk groups in both the derivation and validation cohorts. CONCLUSION The PAIN Score is a pre-operative clinical tool for patients undergoing spine surgery to risk stratify them based on their likelihood for high analgesic requirements. The information can be used to individualize a multi-modal analgesic regimen rather than utilizing a "one-size fits all" approach.
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Psoas Muscle Index as a Predictor of Perioperative Outcomes in Geriatric Patients Undergoing Spine Surgery. Global Spine J 2023; 13:2016-2024. [PMID: 35034500 PMCID: PMC10556882 DOI: 10.1177/21925682211072626] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
STUDY DESIGN Single-center retrospective study. OBJECTIVE The objective of this study was to evaluate the association of psoas muscle mass defined sarcopenia with perioperative outcomes in geriatric patients undergoing elective spine surgery. METHODS We included geriatric patients undergoing thoracolumbar spinal surgery. Total psoas surface area (TPA) was measured on preoperative axial computerized tomography or magnetic resonance imaging at the L3 vertebra and normalized to the L3 vertebral body area. Patients were divided into quartiles by normalized TPA, and the fourth quartile (Q4) was compared to quartiles 1-3 (Q1-3). Outcomes included perioperative transfusions, length of stay (LOS), delirium, pseudoarthrosis, readmission, discharge disposition, revision surgery, and mortality. RESULTS Of the patients who met inclusion criteria (n = 196), the average age was 73.4 y, with 48 patients in Q4 and 148 patients in Q1-3. Q4 normalized TPA cut-off was <1.05. Differences in Q4 preoperative characteristics included significantly lower body mass index, baseline creatinine, and a greater proportion of females (Table 1). Q4 patients received significantly more postoperative red blood cell and platelet transfusions and had longer ICU LOS (P < .05; Table 2). There was no difference in intraoperative transfusion volumes, delirium, initiation of walking, discharge disposition, readmission, pseudoarthrosis, or revision surgery (Tables 2 and 3). Mortality during follow-up was higher in Q4 but was not statistically significant (P = .075). CONCLUSION Preoperative TPA in geriatric patients undergoing elective spine surgery is associated with increased need for intensive care and postoperative blood transfusion. Preoperative normalized TPA is a convenient measurement and could be included in geriatric preoperative risk assessment algorithms.
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Abstract
STUDY DESIGN Retrospective case control. OBJECTIVES The purpose of the current study is to determine risk factors associated with chronic opioid use after spine surgery. METHODS In our single institution retrospective study, 1,299 patients undergoing elective spine surgery at a tertiary academic medical center between January 2010 and August 2017 were enrolled into a prospectively collected registry. Patients were dichotomized based on renewal of, or active opioid prescription at 3-mo and 12-mo postoperatively. The primary outcome measures were risk factors for opioid renewal 3-months and 12-months postoperatively. These primarily included demographic characteristics, operative variables, and in-hospital opioid consumption via morphine milligram equivalence (MME). At the 3-month and 12-month periods, we analyzed the aforementioned covariates with multivariate followed by bivariate regression analyses. RESULTS Multivariate and bivariate analyses revealed that script renewal at 3 months was associated with black race (P = 0.001), preoperative narcotic (P < 0.001) or anxiety/depression medication use (P = 0.002), and intraoperative long lumbar (P < 0.001) or thoracic spine surgery (P < 0.001). Lower patient income was also a risk factor for script renewal (P = 0.01). Script renewal at 12 months was associated with younger age (P = 0.006), preoperative narcotics use (P = 0.001), and ≥4 levels of lumbar fusion (P < 0.001). Renewals at 3-mo and 12-mo had no association with MME given during the hospital stay or with the usage of PCA (P > 0.05). CONCLUSION The current study describes multiple patient-level factors associated with chronic opioid use. Notably, no metric of perioperative opioid utilization was directly associated with chronic opioid use after multivariate analysis.
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Alexa Irene Canady: First Female African American Neurosurgeon of the United States. World Neurosurg 2023:S1878-8750(23)00749-0. [PMID: 37270094 DOI: 10.1016/j.wneu.2023.05.103] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 05/26/2023] [Accepted: 05/27/2023] [Indexed: 06/05/2023]
Abstract
BACKGROUND This historical account reviews the course and lasting impact of Dr. Alexa Irene Canady in neurosurgery. METHODS The writing of this project was sparked by the discovery of original scientific and bibliographical information about Alexa Canady, the first female African-American neurosurgeon in the nation. This article is a thorough review of the literature and information on Canady, reflecting the breadth of these previous publications, and showcasing our viewpoints after comprehensive compilation of information. RESULTS Our paper begins by introducing Dr. Alexa Irene Canady and her decision to pursue a career in medicine during her years in university; follows her journey through medical school and growing interests in neurosurgery; outlines her journey in residency; discusses her career as an established pediatric neurosurgeon at the University of Michigan; outlines her role in establishing a department of pediatric neurosurgery in Pensacola, Florida; and details the obstacles and challenges she faced throughout her career, as well as the barriers she broke along the way. CONCLUSIONS Our article provides glimpses into the personal life and achievements of Dr. Alexa Irene Canady and her marked impact on the field of neurosurgery.
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Single Nucleotide Polymorphisms and Adolescent Idiopathic Scoliosis: A Systematic Review and Meta-Analysis of the Literature. Spine (Phila Pa 1976) 2023; 48:695-701. [PMID: 36940245 DOI: 10.1097/brs.0000000000004623] [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: 11/17/2022] [Accepted: 02/25/2023] [Indexed: 03/22/2023]
Abstract
STUDY DESIGN Meta-analysis. OBJECTIVE To determine the single nucleotide polymorphisms (SNPs) that are related to adult idiopathic scoliosis. SUMMARY AND BACKGROUND DATA Adolescent idiopathic scoliosis (AIS) is considered one of the most prevalent spinal diseases. Even though the cause of AIS is yet to be determined, family history and sex have shown conclusive associations. Multiple studies have indicated that AIS is more prevalent in families where at least one other first-degree relative is similarly affected, indicating a possible genetic etiology to AIS. MATERIALS AND METHODS Articles were collected from 3 different search engines and then processed in 2 stages for final article selection for quantitative analysis. Five different genetic models were represented to show the association between the different SNPs and AIS. The Hardy-Weinberg equilibrium was examined using Fisher exact test, with significance set at P <0.05. The final analysis paper's quality was evaluated using the Newcastle Ottawa Scale. Kappa interrater agreement was calculated to evaluate the agreement between authors. RESULTS The final analysis comprised 43 publications, 19412 cases, 22005 controls, and 25 distinct genes. LBX1 rs11190870 T>C and MATN-1 SNPs were associated with an increased risk of AIS in one or all of the 5 genetic models. IGF-1 , estrogen receptor alfa, and MTNR1B , SNPs were not associated with AIS in all 5 genetic models. Newcastle Ottawa Scale showed good quality for the selected articles. Cohen k = 0.741 and Kappa interrater agreement of 84% showed that the writers were in strong agreement. CONCLUSIONS There seem to be associations between AIS and genetic SNP. Further larger studies should be conducted to validate the results.
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Image-Guided Percutaneous Multilevel Pediculosynthesis for the Treatment of Contiguous Pedicle Stress Fractures: A Technical Case Report Motion-Preserving Treatment of Contiguous Lumbar Pedicle Stress Fractures: A Technical Surgical Report. World Neurosurg 2023; 174:132-136. [PMID: 36965662 DOI: 10.1016/j.wneu.2023.03.037] [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: 10/17/2022] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 03/27/2023]
Abstract
BACKGROUND AND IMPORTANCE Nontraumatic pedicle fracture is uncommon, with sparsely described cases of conservative management versus surgical treatment by open fusion or percutaneous fixation. CLINICAL PRESENTATION We report the case of a 60 year old woman with nontraumatic L4 and L5 pedicle fracture who developed additional pedicle fractures at L3 while undergoing conservative management in a brace. The patient underwent percutaneous pediculosynthesis with screw fixation without fusion at L3-5 bilaterally. This led to fracture healing with good radiographic result and resolution of her symptoms. CONCLUSION A trial of conservative management is typically warranted in most cases of non-traumatic pedicle fracture, but there is risk of refractory or progressive symptoms as well as subsequent fracture. Minimally invasive fixation is a viable surgical option that can be used in multilevel fractures.
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Impact of obesity on complications and surgical outcomes after adult degenerative scoliosis spine surgery. Clin Neurol Neurosurg 2023; 226:107619. [PMID: 36758453 DOI: 10.1016/j.clineuro.2023.107619] [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: 11/21/2022] [Revised: 02/02/2023] [Accepted: 02/04/2023] [Indexed: 02/08/2023]
Abstract
OBJECTIVE To compare perioperative outcomes of obese versus non-obese adult patients who underwent degenerative scoliosis spine surgery. METHODS 235 patients who underwent thoracolumbar adult spinal deformity (ASD) surgery (≥4 levels) were identified and categorized into two cohorts based on their body mass indices (BMI): obese (BMI ≥30 kg/m2; n = 81) and non-obese (BMI <30 kg/m2; n = 154). Preoperative (demographics, co-morbidities, American Society of Anesthesiologists (ASA) score and modified frailty indices (mFI-5 and mFI-11)), intraoperative (estimated blood loss (EBL) and anesthesia duration), and postoperative (complication rates, Oswestry Disability Index (ODI) scores, discharge destination, readmission rates, and survival) characteristics were analyzed by student's t, chi-squared, and Mann-Whitney U tests. RESULTS Obese patients were more likely to be Black/African-American (p < 0.05, OR:4.11, 95% CI:1.20-14.10), diabetic (p < 0.05, OR:10.18, 95% CI:4.38-23.68) and had higher ASA (p < .01) and psoas muscle indices (p < 0.0001). Furthermore, they had greater pre- and post-operative ODI scores (p < 0.05) with elevated mFI-5 (p < 0.0001) and mFI-11 (p < 0.01). Intraoperatively, obese patients were under anesthesia for longer time periods (p < 0.05) with higher EBL (p < 0.05). Postoperatively, while they were more likely to have complications (OR:1.77, 95% CI:1.01 - 3.08), had increased postop days to initiate walking (p < .05) and were less likely to be discharged home (OR:0.55, 95% CI:0.31-0.99), no differences were found in change in ODI scores or readmission rates between the two cohorts. CONCLUSIONS Obesity increases pre-operative risk factors including ASA, frailty and co-morbidities leading to longer operations, increased EBL, higher complications and decreased discharge to home. Pre-operative assessment and systematic measures should be taken to improve peri-operative outcomes.
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Vertebral Artery Injury with Anterior Cervical Spine Operations: A Systematic Review of Risk Factors, Clinical Outcomes, and Management Strategies. World Neurosurg 2023; 173:226-236.e12. [PMID: 36842528 DOI: 10.1016/j.wneu.2023.02.078] [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: 10/09/2022] [Revised: 02/16/2023] [Accepted: 02/17/2023] [Indexed: 02/26/2023]
Abstract
OBJECTIVE Anterior cervical spine operations (ACSO) are commonly performed on cervical spine pathologies and to a large extent are safe and successful. However, these surgical procedures expose the vertebral artery (VA), posing a risk of harm to it. METHODS A systematic review was conducted using PubMed, Google Scholar, and Web of Science electronic databases according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines to critically assess primary articles discussing treatment strategies "vertebral artery injury" AND "anterior cervical spine" and develop a management strategy based on our experience and meta-analysis of the literature. In addition, we present an illustrative case of iatrogenic vertebral artery injury presenting with 6-7 months history of progressive dysphagia was transferred to our care from an outside institution. RESULTS Included and analyzed were 43 articles that detailed 75 cases involving vertebral artery injury (VAI) in ACSO. Preoperatively, frequent clinical findings reported were sensory deficit (26 patients [63.41%]), motor deficit (20 patients [48.78%]), and pain (17 patients [41.46%]). 32 patients (50.00%) endured injury of their left VA, and 30 patients had a right VAI. The two common causes of VAI were drilling (24 patients [40.00%]) and instrumentation (8 patients [13.33%]). CONCLUSIONS Altogether, our review recommends repair or tamponade packing with a hemostatic agent for primary management. Should tamponade packing with a hemostatic agent be used for primary management, secondary management should entail either repair, stenting occlusion, embolization, anticoagulants, or ligation. Further examination of this treatment strategy based on a larger cohort is necessary.
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Commentary: One-Piece C0-C3 Piezoelectric Osteotomy for a Cervico-Bulbar Intramedullary Ependymoma: 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown) 2023; 24:e44-e45. [PMID: 36251419 DOI: 10.1227/ons.0000000000000465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Accepted: 08/29/2022] [Indexed: 01/06/2023] Open
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Applying 3-Dimensional Printing and Modeling for Preoperative Reconstruction and Instrumentation Placement Planning in Complex Deformity Surgery. Oper Neurosurg (Hagerstown) 2022; 23:514-522. [DOI: 10.1227/ons.0000000000000409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 06/29/2022] [Indexed: 11/16/2022] Open
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Commentary: Extensive Symptomatic Thoracolumbar Epidural Lipomatosis Treated With Minimally Invasive Hemilaminectomies: Technical Case Report. Oper Neurosurg (Hagerstown) 2022; 23:e311-e312. [PMID: 36103328 DOI: 10.1227/ons.0000000000000375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 06/05/2022] [Indexed: 02/04/2023] Open
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Posterolateral Extracavitary Approach for Direct Repair of Spontaneous Ventral Thoracic Spinal Fluid Leak: 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown) 2022; 23:e128. [PMID: 35838472 DOI: 10.1227/ons.0000000000000261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 03/03/2022] [Indexed: 01/17/2023] Open
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Percutaneous screw fixation versus open fusion for the treatment of traumatic thoracolumbar fractures: A retrospective case series of 185 Patients with a single-level spinal column injury. J Clin Neurosci 2022; 101:47-51. [PMID: 35533611 DOI: 10.1016/j.jocn.2022.04.045] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 04/21/2022] [Accepted: 04/30/2022] [Indexed: 11/28/2022]
Abstract
STUDY DESIGN Retrospective Single-Center Review of Data at a Level 1 Trauma Center. OBJECTIVE Compare deformity correction and surgical outcomes of percutaneous instrumentation and open fusion in traumatic thoracolumbar fractures. METHODS In our retrospective study, all patients undergoing elective spine surgery for TL fractures at a Level 1 trauma center between 2000 and 2017 were reviewed. Patients who underwent percutaneous fixation were given the option of hardware removal after the fracture had healed. RESULTS A total of 185 patients were included in the study, with 109 treated with an open fusion, and 76 with percutaneous fixation. Twenty-five patients in the latter group had the instrumentation removed after the fracture had healed. None of them required reoperation. In the open fusion group 54.1% of patients required a decompressive laminectomy. Percutaneous fixation patients had a shorter operative time (98.3 min vs 214 min, p < 0.0001), shorter length of stay (9.8 days vs 13.5 days, p = 0.04), and less blood loss (68.4 cc vs 691 cc, p < 0.001). They also had a better correction of their traumatic kyphosis after surgery (p = 0.005). CONCLUSION Percutaneous fixation is a valuable option for the treatment of TL fractures in cases without evidence of neural compression. It is still unclear whether hardware removal helps prevent adjacent segment degeneration. Percutaneous fixation could allow for better reduction of the fracture with improvement of postoperative alignment.
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Pancreatic Cancer Metastasis to the Spine: A Systematic Review of Management Strategies and Outcomes with Case Illustration. World Neurosurg 2022; 160:94-101.e4. [PMID: 35026458 DOI: 10.1016/j.wneu.2022.01.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 01/04/2022] [Accepted: 01/05/2022] [Indexed: 12/29/2022]
Abstract
OBJECTIVE We aim to provide a thorough review of the literature regarding patient characteristics, treatment options, and outcomes of pancreatic cancer metastasis to the spine. We also provide an illustrative case from our institution of a patients with pancreatic adenocarcinoma presenting initially as cervical radiculopathy with an isolated cervical spine lesion. METHODS Using the PRISMA guidelines, the literature in PubMed, Google Scholar, and Web of Science databases was searched. We excluded systematic reviews and meta-analyses that did not provide novel cases, as well as reports of metastatic disease from other nonpancreatic primary cancers. RESULTS Thirty-two patients across 21 studies met the inclusion criteria. The patients were predominantly male (58%), with a mean age of 59 years. Of patients, 64% presented with back pain, 39% with motor deficits, and 15% with bladder or bowel dysfunction. For treatment, chemotherapy was used in 55% of cases and radiotherapy in 42%. Surgical treatment was performed in 42% of cases, with complete tumor resection achieved in 24% of cases. The mean patient survival after treatment was 28 weeks (range, 1-83 weeks), with patients undergoing treatment involving surgery having increased survival (44 weeks) compared with noninvasive treatment alone (18 weeks). CONCLUSIONS Spinal metastasis of pancreatic cancer is rare and typically portends a poor prognosis. It is vital to recognize the presence of spinal involvement early in the disease course and initiate treatment.
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Transfusion guidelines in adult spine surgery: a systematic review and critical summary of currently available evidence. Spine J 2022; 22:238-248. [PMID: 34339886 DOI: 10.1016/j.spinee.2021.07.018] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/09/2021] [Accepted: 07/26/2021] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT Red blood cell transfusion can be associated with complications in medical and surgical patients. Acute anemia in ambulatory patients undergoing surgery can also impede wound healing and independent self-care. Current transfusion threshold guidelines are still based on evidence derived from critically-ill intensive care unit medical patients and may not apply to spine surgery candidates. PURPOSE We aimed to provide the reader with a synthesis of the best available evidence to recommend transfusion trigger thresholds and guidelines in adult patients undergoing spine surgery. STUDY DESIGN/SETTING This is a systematic review. OUTCOME MEASURES Physiological measure: Blood transfusion thresholds and associated posttransfusion complications (morbidity, mortality, length of stay, infections, etc) of the published articles. PATIENT SAMPLE Adult spine surgery patients. METHODS A systematic review of the literature using the PubMed, Google Scholar, and Web of Science electronic databases was made according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Focus was set on papers discussing thresholds for blood transfusion in adult surgical spine patients, as well as complications associated with transfusion after acute surgical blood loss in the operating room or postoperative period. Publications discussing pediatric cases, blood type analyses, blood loss prevention strategies and protocols, systematic reviews and letters to the editor were excluded. RESULTS A total of 22 articles fitting our search criteria were reviewed. Patients who received blood transfusion in these studies were older, of female gender, had more severe comorbidities except for smoking, and had prolonged surgical time. Blood transfusion was associated with multiple adverse postoperative complications, including a higher rate of superficial or deep surgical site infections, sepsis, urinary and pulmonary infections, cardiovascular complications, return to the operating room, and increased postoperative length of stay and 30 day readmission. Analysis of transfusion thresholds from these studies showed that a pre-operative hemoglobin (Hb) of > 13 g/dL, and an intraoperative and post-operative Hb nadir above 9 and 8 g/dL, respectively, were associated with better outcomes and fewer wound infections than lower thresholds (Level B Class III). Additionally, it was generally recommended to transfuse autologous blood that was < 28 days old, if possible, with a limit of 2 to 3 units to minimize patient morbidity and mortality. CONCLUSIONS Blood transfusion thresholds in surgical patients may be specialty-specific and different than those used for critically-ill medical patients. For adult spine surgery patients, red blood cell transfusion should be avoided if Hb numbers remain > 9 and 8 g/dL in the intraoperative and direct post-operative periods, respectively.
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Commentary: Hybrid Therapy (Surgery and Radiosurgery) for the Treatment of Renal Cell Carcinoma Spinal Metastases. Neurosurgery 2022; 90:e37-e38. [PMID: 34995255 DOI: 10.1227/neu.0000000000001804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 10/17/2021] [Indexed: 11/19/2022] Open
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Open Paddle Lead Trial for Spinal Cord Stimulation: An Institutional Experience. Pain Physician 2022; 25:E37-E42. [PMID: 35051150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
BACKGROUND Spinal cord stimulation (SCS) is an accepted treatment for certain chronic pain syndromes. It is imperative that patients undergo a stimulation screening trial. For trial stimulation, typically patients undergo a percutaneous lead placement. Due to technical considerations, there exists a subset of patients who are not candidates for a percutaneous trial. OBJECTIVE We present our experience with open paddle trial for spinal cord stimulation and review the characteristics of this patient population as well as the technique and efficacy of an open paddle lead trial for spinal cord stimulation. STUDY DESIGN Retrospective review. SETTING University of Texas Southwestern Medical Center, Department of Neurosurgery. METHODS We retrospectively identified 25 patients undergoing a paddle lead trial for spinal cord stimulation from September 2014 to September 2019. RESULTS Twenty-five patients underwent a paddle lead trial for spinal cord stimulation. The average age was 61 with a range of 40 to 82 years; 19 were women and 6 were men. Twenty-two patients (88%) had failed back surgery syndrome (FBSS). Nine patients had attempted percutaneous trials that were unsuccessful, and 14 patients had extensive hardware and/or scar tissue, necessitating an open paddle trial. Twenty-three (92%) patients had a positive trial and went on to permanent implantation. LIMITATIONS The retrospective nature is a major limitation as well as loss to follow-up on several patients. CONCLUSION Patients, who have either failed or are deemed suboptimal for percutaneous trialing for spinal cord stimulation, should be considered for open paddle lead trialing. A multidisciplinary approach improves communication and helps to identify that subset of patients who otherwise may be left to pursue conservative measures only.
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Transfusion Guidelines in Traumatic Brain Injury: A Systematic Review and Meta-Analysis of the Currently Available Evidence. Neurotrauma Rep 2022; 3:554-568. [PMID: 36636743 PMCID: PMC9811955 DOI: 10.1089/neur.2022.0056] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Our study aims to provide a synthesis of the best available evidence on the hemoglobin (hgb) red blood cell (RBC) transfusion thresholds in adult traumatic brain injury (TBI) patients, as well as describing the risk factors and outcomes associated with RBC transfusion in this population. A systematic review and meta-analysis was conducted using PubMed, Google Scholar, and Web of Science electronic databases according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines to assess articles discussing RBC transfusion thresholds and describe complications secondary to transfusion in adult TBI patients in the perioperative period. Fifteen articles met search criteria and were reviewed for analysis. Compared to non-transfused, TBI patients who received transfusion tended to be primarily male patients with worse Injury Severity Score (ISS) and Glasgow Coma Scale. Further, the meta-analysis corroborated that transfused TBI patients are older (p = 0.04), have worse ISS scores (p = 0.001), receive more units of RBCs (p = 0.02), and have both higher mortality (p < 0.001) and complication rates (p < 0.0001). There were no differences identified in rates of hypertension, diabetes mellitus, and Abbreviated Injury Scale scores. Additionally, whereas many studies support restrictive (hgb <7 g/dL) transfusion thresholds over liberal (hgb <10 g/dL), our meta-analysis revealed no significant difference in mortality between those thresholds (p = 0.79). Current Class B/C level III evidence predominantly recommends against a liberal transfusion threshold of 10 g/dL for TBI patients (Class B/C level III), but our meta-analysis found no difference in survival between groups. There is evidence suggesting that an intermediate threshold between 7 and 9 g/dL, reflecting the physiological oxygen needs of cerebral tissue, may be worth exploring.
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Postoperative Transfusion Guidelines in Aneurysmal Cerebral Subarachnoid Hemorrhage: A Systematic Review and Critical Summary of Available Evidence. World Neurosurg 2021; 158:234-243.e5. [PMID: 34890850 DOI: 10.1016/j.wneu.2021.12.007] [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: 11/01/2021] [Revised: 12/01/2021] [Accepted: 12/02/2021] [Indexed: 10/19/2022]
Abstract
OBJECTIVE Surgical management of aneurysmal subarachnoid hemorrhage (SAH) often involves red blood cell (RBC) transfusion, which increases the risk of postoperative complications. RBC transfusion guidelines report on chronically critically ill patients and may not apply to patients with SAH. Our study aims to synthesize the evidence to recommend RBC transfusion thresholds among adult patients with SAH undergoing surgery. METHODS A systematic review was conducted using PubMed, Google Scholar, and Web of Science electronic databases according to the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines to critically assess primary articles discussing RBC transfusion thresholds and describe complications secondary to RBC transfusion in adult patients with SAH in the perioperative period. RESULTS Sixteen articles meeting our search strategy were reviewed. Patients with SAH who received blood transfusion were older, female, had World Federation of Neurosurgical Societies grade IV-V and modified Fisher grade 3-4 scores, and presented with more comorbidities such as hypertension, diabetes, and cardiovascular and pulmonary diseases. In addition, transfusion was associated with multiple postoperative complications, including higher rates of vasospasms, surgical site infections, cardiovascular and respiratory complications, increased postoperative length of stay, and 30-day mortality. Analysis of transfused patients showed that a higher hemoglobin (>10 g/dL) goal after SAH was safe and that patients may benefit from a higher whole hospital stay hemoglobin nadir, as shown by a reduction in risk of cerebral vasospasm and improvement in clinical outcomes (level B class II). CONCLUSIONS Among patients with SAH, the benefits of reducing cerebral ischemia and anemia are shown to outweigh the risks of transfusion-related complications.
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Enhanced Recovery After Surgery Reduces Postoperative Opioid Use and 90-Day Readmission Rates After Open Thoracolumbar Fusion for Adult Degenerative Deformity. Neurosurgery 2021. [DOI: 10.1093/neuros/nyaa399_s084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Blood preservation techniques in complex spine surgery: Illustrative case and review of therapeutic options. Surg Neurol Int 2021; 12:515. [PMID: 34754565 PMCID: PMC8571196 DOI: 10.25259/sni_901_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: 09/06/2021] [Accepted: 09/18/2021] [Indexed: 01/28/2023] Open
Abstract
Background: Complex spine surgery predisposes patients to substantial levels of blood loss, which can increase the risk of surgical morbidity and mortality. Case Description: A 29-year-old achondroplastic male required thoracolumbar deformity correction. However, he refused potential allogeneic blood transfusions for religious reasons. He, therefore, underwent pre-operative autologous blood donation and consented to the use of the intraoperative cell salvage device. Immediately prior to the incision, he underwent acute normovolemic hemodilution. Throughout the case, we additionally utilized meticulous hemostasis. Postoperatively, he was supplemented with iron and erythropoietin and recovered well. When he required a revision procedure 3 months later, similar strategies were successfully employed. Conclusion: Numerous strategies exist pre-operatively, intraoperatively, and post-operatively to optimize blood loss management for patients who refuse blood transfusions but warrant major spinal deformity surgery.
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Aggressively recurring cervical intramedullary anaplastic astrocytoma in a pregnant patient. Surg Neurol Int 2021; 12:466. [PMID: 34621581 PMCID: PMC8492418 DOI: 10.25259/sni_759_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: 08/01/2021] [Accepted: 08/11/2021] [Indexed: 11/04/2022] Open
Abstract
Background Many patients with spinal juvenile pilocytic astrocytoma can experience prolonged remission after resection. However, some reports suggest that pregnancy may be associated with progression. Case Description The authors provide an image report highlighting a case of rapid and aggressive transformation of an intramedullary astrocytoma of the cervical spine in a pregnant patient. Over the course of 1 year, the lesion progressed from a juvenile pilocytic astrocytoma to an anaplastic astrocytoma. Genetic testing revealed mutations associated with aggressive behavior. Conclusion The case and associated imaging demonstrate the importance of close neurologic monitoring and counseling regarding risk of progression in pregnant patients with spinal gliomas.
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Impact of Insurance Provider on Postoperative Hospital Length of Stay After Spine Surgery. World Neurosurg 2021; 156:e351-e358. [PMID: 34560296 DOI: 10.1016/j.wneu.2021.09.065] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 09/13/2021] [Accepted: 09/14/2021] [Indexed: 01/19/2023]
Abstract
OBJECTIVE Differences in insurer and payer status have been shown to increase patient hospital length of stay (LOS) by delaying the approval of transfer to a rehabilitation facility. The aim of the current study is to determine the impact of the type of insurance provider on postoperative hospital LOS after spine surgery. METHODS In our single-institution retrospective study, all patients undergoing elective spine surgery between August 2018 and August 2019 as part of an enhanced recovery after surgery (ERAS) protocol were enrolled in a prospectively collected registry. Insurance payer type was analyzed to determine its effect on total patient LOS after surgery. RESULTS A total of 106 patients were included in the study. Insurance payers studied were Medicare, private insurers (preferred provider organization and health maintenance organization), and the Veterans Affairs payer TriWest. Patients in all groups had comparable demographic characteristics and procedural variables. There was a statistically significant difference in days stayed beyond medical clearance among the 3 insurance provider groups (P < 0.001); TriWest patients stayed an average of 3.2 days beyond clearance, compared with private insurance (1.2 days) and Medicare (0.3 days). Individual subanalysis of the ERAS complex pathway population mirrored these findings. CONCLUSIONS Hospitalization beyond medical clearance after spine surgery follows a predictable pattern regardless of ERAS pathway complexity, with Medicare having a shorter delay in approving patient progression than private insurance, which has less of a delay than Triwest.
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The Clinical Use of Serum Biomarkers in Traumatic Brain Injury: A Systematic Review Stratified by Injury Severity. World Neurosurg 2021; 155:e418-e438. [PMID: 34438102 DOI: 10.1016/j.wneu.2021.08.073] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 08/15/2021] [Accepted: 08/16/2021] [Indexed: 12/18/2022]
Abstract
BACKGROUND Serum biomarkers have gained significant popularity as an adjunctive measure in the evaluation and prognostication of traumatic brain injury (TBI). However, a concise and clinically oriented report of the major markers in function of TBI severity is lacking. This systematic review aims to report current data on the diagnostic and prognostic utility of blood-based biomarkers across the spectrum of TBI. METHODS A literature search of the PubMed/Medline electronic database was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines. We excluded systematic reviews and meta-analyses that did not provide novel data. The American College of Cardiology/American Heart Association criteria were used to assess levels of evidence. RESULTS An initial 1463 studies were identified. In total, 115 full-text articles reporting on 94 distinct biomarkers met the inclusion criteria. Glasgow Coma Scale scores, computed tomography/magnetic resonance imaging abnormalities, and injury severity scores were the most used clinical diagnostic variables. Glasgow Outcome Scores and 1-, 3-, and 6-month mortality were the most used clinical prognostic variables. Several biomarkers significantly correlated with these variables and had statistically significant different levels in TBI subjects when compared with healthy, orthopedic, and polytrauma controls. The biomarkers also displayed significant variability across mild, moderate, and severe TBI categories, as well as in concussion cases. CONCLUSIONS This review summarizes existing high-quality evidence that supports the use of severity-specific biomarkers in the diagnostic and prognostic evaluation of TBI. These data can be used as a launching platform for the validation of upcoming clinical studies.
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Quantitative pupillometry in patients with traumatic brain injury and loss of consciousness: A prospective pilot study. J Clin Neurosci 2021; 91:88-92. [PMID: 34373065 DOI: 10.1016/j.jocn.2021.06.044] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 06/23/2021] [Indexed: 11/18/2022]
Abstract
OBJECTIVE Loss of consciousness (LOC) is a hallmark feature in Traumatic Brain Injury (TBI), and a strong predictor of outcomes after TBI. The aim of this study was to describe associations between quantitative infrared pupillometry values and LOC, intracranial hypertension, and functional outcomes in patients with TBI. METHODS We conducted a prospective study of patients evaluated at a Level 1 trauma center between November 2019 and February 2020. Pupillometry values including the Neurological Pupil Index (NPi), constriction velocity (CV), and dilation velocity (DV) were obtained. RESULTS Thirty-six consecutive TBI patients were enrolled. The median (range) age was 48 (range 21-86) years. The mean Glasgow Coma Scale score on arrival was 11.8 (SD = 4.0). DV trichotomized as low (<0.5 mm/s), moderate (0.5-1.0 mm/s), or high (>1.0 mm/s) was significantly associated with LOC (P = .02), and the need for emergent intervention (P < .01). No significant association was observed between LOC and NPi (P = .16); nor between LOC and CV (P = .07). CONCLUSIONS Our data suggests that DV, as a discrete variable, is associated with LOC in TBI. Further investigation of the relationship between discrete pupillometric variables and NPi may be valuable to understand the clinical significance of the pupillary light reflex findings in acute TBI.
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Bertolotti Syndrome With Articulated L5 Transverse Process Causing Intractable Back Pain: Surgical Video Showcasing a Minimally Invasive Approach for Disconnection: 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown) 2021; 20:E219-E220. [PMID: 33294931 DOI: 10.1093/ons/opaa343] [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: 06/01/2020] [Accepted: 08/19/2020] [Indexed: 11/13/2022] Open
Abstract
Bertolotti syndrome is a commonly missed cause of intractable back pain that affects 4% to 8% of the general population. It involves the congenital malformation of a transitional lumbosacral vertebra, with total or partial and unilateral or bilateral transverse process (TP) fusion or articulation to the sacrum. The pain can be debilitating, and the tethering of the spine to the sacrum can encourage deformity formation in the coronal plane and lead to early degenerative changes, especially if present only unilaterally. We present the case of a 24-yr-old woman with no notable prior medical history who presented with years of lower axial back pain radiating to her thighs, which limited her activities of daily living and was resistant to conservative management. Her imaging showed an abnormally large left L5 TP, which was articulated to the sacrum, and signs of early coronal deformity. She had responded almost completely to repeated steroid injections into the TP-sacral joint, but that effect was very transient. Informed patient consent was obtained prior to her surgery. She underwent a minimally invasive tube disconnection of the abnormal joint with partial distal resection of the TP, and her symptoms completely resolved. This case highlights the importance of correlating clinical symptoms with aberrant anatomy, and the role of selective surgery in providing symptomatic relief. This case report was written in compliance with our institutional ethical review board approval, and patient consent was waived in light of the retrospective and deidentified nature of the data presented in accordance with the University of Texas Southwestern institutional review board.
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Commentary: Machine Learning-Driven Metabolomic Evaluation of Cerebrospinal Fluid: Insights Into Poor Outcomes After Aneurysmal Subarachnoid Hemorrhage. Neurosurgery 2021; 88:E410-E411. [PMID: 33556179 DOI: 10.1093/neuros/nyaa595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 11/20/2020] [Indexed: 11/14/2022] Open
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Comparison of the effect of epidural versus intravenous patient controlled analgesia on inpatient and outpatient functional outcomes after adult degenerative scoliosis surgery: a comparative study. Spine J 2021; 21:765-771. [PMID: 33352321 DOI: 10.1016/j.spinee.2020.12.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 12/14/2020] [Accepted: 12/14/2020] [Indexed: 02/03/2023]
Abstract
BACKGROUND Perioperative pain can negatively impact patient recovery after spine surgery and be a contributing factor to increased hospital length of stay and cost. Most data currently available is extrapolated from adolescent idiopathic cases and may not apply to adult and geriatric populations with thoracolumbar spine degeneration. PURPOSE Study the impact of epidural analgesia on pain control and outcomes after adult degenerative scoliosis surgery in a large single-institution series of adult patients undergoing thoraco-lumbar-pelvic fusion. STUDY DESIGN/SETTING Retrospective single-center review of prospectively collected data. PATIENT SAMPLE Patients undergoing thoracolumbar fusion with pelvic fixation. OUTCOME MEASURES Self-reported measures: Visual analog scale for pain. Physiologic Measures: Oral pain control requirements converted into daily morphine equivalents. Functional Measures: Ambulation perimeter after surgery, urinary retention and constipation rates. METHODS We retrospectively reviewed patient data for the years 2016 and 2017 before the use of patient controlled epidural analgesia (PCEA), and then 2018 and 2019 after its implementation, for all thoracolumbar degenerative procedures, and compared their postoperative outcomes measures. RESULTS There were 46 patients in the PCEA group and 37 patients in the intravenous PCA (IVPCA) groups. All patients underwent long segment posterolateral thoracolumbar spinal fusion with pelvic fixation. Patients in the PCEA group had lower pain scores and ambulated greater distances compared with those in the IVPCA group. PCEA patients also had lower urinary retention and constipation rates, but no increased intraoperative or postoperative complications related to catheter placement. CONCLUSIONS PCEA can provide optimal pain control after adult degenerative scoliosis spine surgery, and may promote greater early ambulation, while decreasing postoperative constipation and urinary retention rates.
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Enhanced Recovery After Surgery Reduces Postoperative Opioid Use and 90-Day Readmission Rates After Open Thoracolumbar Fusion for Adult Degenerative Deformity. Neurosurgery 2021; 88:295-300. [PMID: 32893863 DOI: 10.1093/neuros/nyaa399] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 07/02/2020] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND The role of enhanced recovery after surgery (ERAS) pathways implementation has not been previously explored in adult deformity patients. OBJECTIVE To determine the impact of ERAS pathways implementation in adult patients undergoing open thoraco-lumbar-pelvic fusion for degenerative scoliosis on postoperative outcome, opioid consumption, and unplanned readmission rates. METHODS In this retrospective single-center study, we included 124 consecutive patients who underwent open thoraco-lumbar-pelvic fusion from October 2016 to February 2019 for degenerative scoliosis. Primary outcomes consisted of postoperative supplementary opioid consumption in morphine equivalent dose (MED), postoperative complications, and readmission rates within the postoperative 90-d window. RESULTS There were 67 patients in the ERAS group, and 57 patients served as pre-ERAS controls. Average patient age was 69 yr. The groups had comparable demographic and intraoperative variables. ERAS patients had a significantly lower rate of postoperative supplemental opioid consumption (248.05 vs 314.05 MED, P = .04), a lower rate of urinary retention requiring catheterization (5.97% vs 19.3%, P = .024) and of severe constipation (1.49% vs 31.57%, P < .0001), and fewer readmissions after their surgery (2.98% vs 28.07%, P = .0001). CONCLUSION A comprehensive multidisciplinary approach to complex spine surgery can reduce opioid intake, postoperative urinary retention and severe constipation, and unplanned 90-d readmissions in the elderly adult population.
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Compressive Cervical Myelopathy in Patients With Demyelinating Disease of the Central Nervous System: Improvement After Surgery Despite a Late Diagnosis. Cureus 2021; 13:e13161. [PMID: 33728163 PMCID: PMC7935266 DOI: 10.7759/cureus.13161] [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] [Indexed: 11/05/2022] Open
Abstract
Objective We aimed to assess the impact of surgical intervention on outcome in patients diagnosed with demyelinating disorders and cervical degenerative disease warranting surgical intervention. Methods The records of patients with a diagnosis of a demyelinating disorder of the central nervous system who underwent cervical spine surgery at a single institution from 2016 to 2020 were reviewed. Demyelinating disease included multiple sclerosis (MS), neuromyelitis optica, and transverse myelitis (TM). The dates of initial spine symptom onset, recognition of spinal pathology by the primary provider, referral to spine surgery, and spine surgery procedures were collected. Hospital length of stay (LOS) and postoperative outcomes and complications were recorded. Results A total of 19 patients with a diagnosis of demyelinating disorders underwent cervical spine surgery at our institution. Seventeen patients had MS. The average time interval between a documented diagnosis of myelopathy or radiculopathy and referral to the Spine clinic was 67.95 months (M=40, SD=64.87). Twelve patients had imaging studies depicting degenerative spine disease that would warrant surgical intervention at the time of examination by their primary physician. The average delay for referral to the Spine clinic for these patients was 16.5 months (M=5; SD=25.36). More than 89% of patients experienced significant neurologic improvement postoperatively. Conclusions There is a delay in the recognition of cervical spine disease amenable to a surgical resolution in patients with demyelinating disorders. Surgical treatment can lead to significant clinical improvement in this patient population even if delayed, and likely carries similar risk to that of the general population.
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Delayed Cranial Nerve Palsies and Chiari Type I Malformation After Epidural Anesthesia in the Setting of Childbirth. Cureus 2021; 13:e12871. [PMID: 33633900 PMCID: PMC7899279 DOI: 10.7759/cureus.12871] [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] [Indexed: 11/05/2022] Open
Abstract
Epidural analgesia is an efficient method of controlling pain and has a wide spectrum of therapeutic and diagnostic applications. Potential complications may occur in a delayed fashion, can remain undiagnosed, and can be a source of significant morbidity. We present a 37-year-old woman presented with severe spontaneous occipital headaches, diplopia, and dizziness that occurred spontaneously six weeks after giving birth. Her primary method of pain control during labor was epidural analgesia. Her neurologic exam revealed a cranial nerve six palsy with ptosis, and her brain MRI demonstrated a Chiari I malformation which had not been previously diagnosed. CT myelography of the lumbar spine revealed extradural contrast extravasation within the interspinous soft tissue at L1-L2, which was the site of her prior epidural procedure. She underwent epidural blood patch administration, and her cranial nerve palsy resolved along with all of her other symptoms. The development of concurrent Chiari I malformation and cranial nerve palsy after epidural anesthesia is an exceptionally rare occurrence. Neurologic complications after epidural anesthesia are likely under-reported, since patients are often lost to follow-up or have subtle neurologic signs which can easily be missed. This frequently delayed presentation emphasizes the importance of patient education and the necessity of a detailed neurological exam when symptoms occur.
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Evaluating the Impact of Psychiatric Disorders on Preoperative Pain Ratings, Narcotics Use, and the PROMIS-29 Quality Domains in Spine Surgery Candidates. Cureus 2021; 13:e12768. [PMID: 33614357 PMCID: PMC7888361 DOI: 10.7759/cureus.12768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Objective We aimed to study the relationship between psychiatric Disorders (PD), preoperative pain, and opioid medication intake, as well as the quality of life patient-reported outcome measures using the Patient-Reported Outcomes Measurement Information System 29 (PROMIS-29) questionnaire, during the 30-day interval preceding surgery, in a consecutive series of patients who were scheduled to undergo surgical spine procedures. We hypothesized that PD could affect preoperative narcotic use and pain interference in a fashion that was not linearly associated with preoperative pain in spine surgery candidates. Methods The records of consecutive adult patients who underwent elective spinal surgery between October 2016 and August 2017 at a single institution were reviewed. We included patients who underwent preoperative pain assessment within 30 days prior to their planned surgery using the PROMIS-29 questionnaire. Patients with PD were compared to controls. Results A total of 117 patients matched our criteria. The average rating of pain intensity was notably higher in the PD group as compared to controls (p=0.004). The PD group had more patients complaining of high pain levels (>6) as compared to the control group (p=0.026). Controls with high pain levels had a greater incidence of preoperative narcotic use as compared to the low-pain cohort (p=0.029). However, there was no difference in the actual dose of daily narcotic medication taken between the PD and control groups (P=0.099) or between the low- and high pain score groups in the control (p=0.291) and PD (p=0.441) groups, respectively. Patients with PD and higher pain ratings seemed to have a higher incidence of anxiety (p=0.005) and depression (p<0.001). That was not the case for controls. Conclusions PDs may impact the degree of preoperative pain interference and the intake of narcotic medication independently from pain intensity ratings.
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Microwave Ablation as a Treatment for Spinal Metastatic Tumors: A Systematic Review. World Neurosurg 2021; 148:15-23. [PMID: 33422713 DOI: 10.1016/j.wneu.2020.12.162] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 12/29/2020] [Accepted: 12/29/2020] [Indexed: 12/22/2022]
Abstract
BACKGROUND Microwave ablation (MWA) is a novel technique that offers several potential advantages over existing ablation systems, which include production of larger ablation zones, shorter procedural times, and more effective heating through high impedance tissues such as bone. METHODS A systematic review was performed using inclusion criteria defined as follows: 1) metastatic spinal tumors treated with open or percutaneous MWA alone or in combination with other treatments, 2) available data on pain palliation and/or local tumor control, and 3) retrospective or prospective studies with at least 1 patient. RESULTS A total of 156 patients harboring 196 spinal lesions underwent MWA in the 8 included studies. Most studies employed the use of additional interventions, which included minimally invasive open surgery with pedicle screw fixation, traditional open surgical intervention, and cement augmentation. Despite the variability in time intervals for pain assessment, postoperative pain scores decreased considerably in both percutaneous and open MWA studies. No evidence of tumor progression was additionally seen in >80% of patients at the last follow-up across 5 studies. Complications were reported in 6.5% of all patients who underwent percutaneous MWA and in 12.2% of patients who underwent open MWA. CONCLUSIONS This review showed that MWA can be effective in achieving analgesia for up to 6 months in select cases, although most procedures were performed in combination with augmentation and/or open surgery. Local tumor control was additionally successful in most patients, suggestive of a potential curative role for MWA.
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Perioperative Optimization of Senior Health in Spine Surgery: Impact on Postoperative Delirium. J Am Geriatr Soc 2020; 69:1240-1248. [PMID: 33382460 DOI: 10.1111/jgs.17006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 12/02/2020] [Accepted: 12/04/2020] [Indexed: 11/28/2022]
Abstract
BACKGROUND Delirium is a common postoperative complication in geriatric patients, especially in those with underlying risk factors. Multicomponent nonpharmacologic interventions are effective in preventing delirium, however, implementation of these measures is variable in perioperative care. The aim of our study was to assess the impact of our Perioperative Optimization of Senior Health Program (UTSW POSH) on postoperative delirium in patients undergoing elective spine surgery. STUDY DESIGN The UTSW POSH program is an interdisciplinary perioperative initiative involving geriatrics, surgery, and anesthesiology to improve care for high-risk geriatric patients undergoing elective spine surgery. Preoperatively, enrolled patients (n = 147) were referred for a geriatric assessment and optimization for surgery. Postoperatively, patients were co-managed by the primary surgical team and the geriatrics consult service. UTSW POSH patients were retrospectively compared to a matched historical control group (n = 177) treated with usual care. Main outcomes included postoperative delirium and provider recognition of delirium. RESULTS UTSW POSH patients were significantly older (75.5 vs 71.5 years; P < .001), had more comorbidities (8.02 vs 6.58; P < .001), and were more likely to undergo pelvic fixation (36.1% vs 17.5%; P < .001). The incidence of postoperative delirium was lower in the UTSW POSH group compared to historical controls, although not statistically significant (11.6% vs 19.2%; P = .065). Delirium was significantly lower in patients who underwent complex spine surgery (≥4 levels of vertebral fusion; N = 106) in the UTSW POSH group (11.7% vs 28.9%, P = .03). There was a threefold increase in the recognition of postoperative delirium by providers after program implementation, (76.5% vs 23.5%; P = .001). CONCLUSIONS This study suggests that interdisciplinary care for high-risk geriatric patients undergoing elective spine surgery may reduce the incidence of postoperative delirium and increase provider recognition of delirium. The benefit may be greater for those undergoing larger procedures.
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Sex Differences in Postoperative Complications and Functional Status After Deformity Correction Surgery: Do Men Fare Better Than Women? World Neurosurg 2020; 148:e94-e100. [PMID: 33340724 DOI: 10.1016/j.wneu.2020.12.051] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 12/07/2020] [Accepted: 12/08/2020] [Indexed: 11/18/2022]
Abstract
OBJECTIVE We investigated whether a sex-related difference exists in the postoperative complication risk and health-related quality of life measures after surgery for adult spinal deformity. METHODS We performed a retrospective study of 156 adult patients with a diagnosis of adult spinal deformity who had undergone spinal surgery. The primary outcome variables included the postoperative complication rates and changes in the health-related quality of life measures. Adjusted odds ratios were estimated by multivariate logistic regression with the inclusion of covariate terms for sex, smoking, preoperative optimization, American Society of Anesthesiologists grade, depression, osteoporosis, invasiveness of surgery (number of vertebral levels fused), and baseline functional disability. RESULTS At presentation, the women were more likely to be smokers (74 women [71.15%]; 23 men [42.31%]; P = 0.01) and to have a greater prevalence of depression (36 women [34.62%]; 10 men [19.23%]; P = 0.06). The women had also presented with more severe baseline pain (visual analog scale for back pain score, 7.24 vs. 6.00 [P = 0.02]; visual analog scale for leg pain score, 5.87 vs. 5.59 [P = 0.07]) and worse functional disability (patient-reported outcomes measurement information system score, 6.82 vs. 5.65 [P = 0.01]; Oswestry disability index, 45.42 vs. 37.07 [P = 0.01]). However, postoperatively, the women experienced greater improvement in pain and disability compared with the men. The unadjusted odds of a postoperative complication was greater for the women (odds ratio, 1.14; 95% confidence interval, 0.55-2.33). On multivariate logistic regression analysis, the association between sex and postoperative complications was attenuated after controlling for other baseline variables. CONCLUSIONS In the present study, after adjustment for important baseline prognostic factors, no differences were found in the postoperative complication rates or extent of functional improvement when stratified by sex. Both sexes responded equally well to corrective surgery for symptomatic adult spinal deformity.
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Healthy Elective Spine Surgery Patients With Elevated Pre-operative Anxiety Send More Patient Portal Messages and Have More Post-Surgical Complications. Neurosurgery 2020. [DOI: 10.1093/neuros/nyaa447_762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Smoking Status Predicts Preoperative Opioid Use in a Dose-dependent Pattern Amongst Geriatric Female Spine Surgical Patients. Neurosurgery 2020. [DOI: 10.1093/neuros/nyaa447_767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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ENGAGED. Neurosurgery 2020. [DOI: 10.1093/neuros/nyaa447_177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Assessing the Impact of the UT Southwestern Perioperative Optimization of Senior Health Program on the Incidence of Delirium Following Spine Surgery. Neurosurgery 2020. [DOI: 10.1093/neuros/nyaa447_778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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The Relationship Between Affective Disorders, Preoperative Pain Interference, and PROMIS-29 Quality Domains in the Spine Population. Neurosurgery 2020. [DOI: 10.1093/neuros/nyaa447_562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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