Study Design: Retrospective cohort study. Objective: The objective of this study was to examine associations of gabapentin use with inpatient postoperative daily pain scores and opioid use in children undergoing PSF for AIS. Summary of Background Data: Gabapentin use in posterior spinal fusion (PSF) postoperative pain management for adolescent idiopathic scoliosis (AIS) is increasingly common in order to decrease opioid use and improve pain control, though there is conflicting data on dosing and effectiveness to support this practice in real world settings. Methods: Retrospective cohort study of children aged 10 to 21 years undergoing PSF for AIS between January 2013 and June 2016 at an urban academic tertiary care center. Adjuvant gabapentin exposure was defined as at least 15 mg/kg/d by postoperative day (POD) 1 with an initial loading dose of 10 mg/kg on day of surgery. Primary outcomes were daily postoperative mean pain score and opioid use [morphine milligram equivalents/kg/day(mme/kg/d)]. Secondary outcomes were short and long-term complications. Results: Among 129 subjects (mean age, 14.6 y, 74% female, mean coronal cobb, 55.2 degrees), 24 (19%) received gabapentin. Unadjusted GABA exposure was associated with significantly lower opioid use on POD1 and 2 (49% and 31%mme/kg/d, respectively) and lower pain scores (14%) on POD2. Adjusting for preexisting back pain, preoperative coronal Cobb angle, and site, GABA use was associated with significantly lower mean pain scores on POD1 through POD3 (−0.68, P=0.01; −0.86, P=0.002; −0.63, P=0.04). Gabapentin use was also associated with decreased opioid use on POD1 and POD2 (−0.39mme/kg/d, P<0.001; −0.27, P=0.02). There was no difference in complications by gabapentin exposure. Conclusions: Addition of gabapentin as adjuvant therapy for adolescent PSF, beginning on day of surgery, is associated with improved pain scores and decreased opioid use in the first 48 to 72 hours postoperatively. Level of Evidence: This is a retrospective cohort study, classified as Level III under “Therapeutic Studies Investigating the Results of a Treatment.”
Background: Surgical carpal tunnel release is performed by either open carpal tunnel release (OCTR) or endoscopic carpal tunnel release (ECTR). The purpose of this study was to assess differences in intraoperative and postoperative complications, trends, and costs between OCTR and ECTR. Methods: State Ambulatory Surgery and Services Databases (SASD) files for California, Florida, and New Jersey were queried for patients who underwent OCTR and ECTR between 2000 and 2014. Patient demographics, comorbidities, intraoperative and postoperative complications, and cost were compared between OCTR and ECTR. The frequency of each procedure was used to formulate trends in OCTR and ECTR. Results: A total of 571 403 patients were included in this study. Sex was significantly different by a small percentage (OCTR = 64.8% female, ECTR = 65.4% female). A higher proportion of Hispanic patients underwent ECTR (P < .001). The patients who underwent OCTR had a greater comorbidity burden in terms of diabetes and rheumatoid arthritis (P < .001). None of the aforementioned complication rates were statistically significant between the 2 procedures. Endoscopic carpal tunnel release was significantly more costly by almost $2000. Open carpal tunnel release has remained stable over the years studied, whereas ECTR increased 3-fold. Conclusions: Our findings demonstrate no significant differences between OCTR and ECTR regarding intraoperative and postoperative complications and patient outcomes. Endoscopic carpal tunnel release was found to be significantly more costly.
Study Design: Retrospective cohort study. Objectives: The interactions between hip osteoarthritis (OA) and spinal malalignment are poorly understood. The purpose of this study was to assess the influence of total hip arthroplasty (THA) on standing spinopelvic alignment. Methods: In this retrospective cohort study, patients undergoing THA for OA with pre-and postoperative full-body radiographs were included. Standing spinopelvic parameters were measured. Contralateral hip was graded on the Kellgren-Lawrence scale. Pre-and postoperative alignment parameters were compared by paired t-test. The severity of preoperative thoracolumbar deformity was measured using TPA. Linear regression was performed to assess the impact of preoperative TPA and changes in spinal alignment. Patients were separated into low and high TPA (<20 or >/=20 deg) and change in parameters were compared between groups by t-test. Similarly, the influence of K-L grade, age, and PI were also tested. Results: 95 patients were included (mean age 58.6 yrs, BMI 28.7 kg/m2, 48.2% F). Follow-up radiographs were performed at mean 220 days. Overall, the following significant changes were found from pre-to postoperative: SPT (14.2 vs. 16.1, P = 0.021), CL (−8.9 vs. −5.3, P = .001), TS-CL (18.2 vs. 20.5, P = .037) and SVA (42.6 vs. 32.1, P = .004). Preoperative TPA was significantly associated with the change in PI-LL, SVA, and TPA. High TPA patients significantly decreased SVA more than low TPA patients. There was no significant impact of contralateral hip OA, PI, or age on change in alignment parameters. Conclusion: Spinopelvic alignment changes after THA, evident by a reduction in SVA. Preoperative spinal sagittal deformity impacts this change. Level of evidence: III.
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