Study Design: Systematic review and meta-analysis. Objective: Compare the clinical and radiographic outcomes of anterior cervical discectomy and fusion (ACDF) with a standalone interbody cage versus a conventional cage and anterior cervical plate technique.Methods: A systematic Medline search was conducted using PubMed, EMBASE, and Cochrane Library Database of Systematic Reviews. Search terms included "anterior cervical discectomy and fusion," "cage," and "bone plates," or variations thereof. Only studies involving a direct comparison of ACDF with a stand-alone cage versus a cage and plate were included. From the selected studies, we extracted data on patient demographics, comorbidities, surgical risk factors, and pre-and postoperative radiographic findings. A meta-analysis was performed on all outcome measures. The quality of each study was assessed using the Downs and Black checklist.Results: Nineteen studies met the inclusion and exclusion criteria. Patients who underwent ACDF with a cage-only technique had significantly lower rates of postoperative dysphagia and adjacent segment disease compared with patients who underwent ACDF with a cage-plate technique. However, patients who underwent ACDF with a cage-plate technique had better radiographic outcomes with significantly less subsidence and better restoration of cervical lordosis. There were no other significant differences in outcomes or postoperative complications.Conclusions: ACDF with a cage-only technique appears to have better clinical outcomes than the cage-plate technique, despite radiographic findings of increased rates of subsidence and less restoration of cervical lordosis. Future randomized controlled trials with longer term follow-up are needed to confirm the findings of this meta-analysis.
Study Design:Meta-analysis.Objective:Proximal junctional kyphosis (PJK) is a complication of surgical management for adult spinal deformity with a multifactorial etiology. Many risk factors are controversial and their relative importance are not fully understood. We aimed to identify the surgical, radiographic, and patient-related risk factors associated with PJK and proximal junctional failure (PJF).Methods:A systematic literature search was performed using PubMed, Cochrane Database of Systematic Reviews, and EMBASE. The inclusion criteria included prospective randomized control trials and prospective/retrospective cohort studies of adult patients with radiographic evidence of PJK, which was defined as a proximal junctional sagittal Cobb angle ≥10° and at least 10° greater than the preoperative measurement. Studies required a minimum of 10 patients and 12 months of follow-up.Results:A total of 14 unique studies, including 1908 patients were included. The pooled analysis showed significant differences between the PJK and non-PJK groups in age (weighted mean difference [WMD] −3.80; P = .03), prevalence of osteopenia/osteoporosis (odds ratio [OR] 1.99; P = .0004), preoperative sagittal vertical axis (SVA) (WMD −17.52; P = .02), preoperative lumbar lordosis (LL) (WMD −1.22; P = .002), pedicle screw instrumentation at the upper instrumented vertebra (UIV) (OR 1.67; P = .02), change in SVA (WMD −11.87; P = .01), fusion to sacrum/pelvis/ilium (OR 2.14; P < .00 001), change in LL (WMD −5.61; P = .01), and postoperative SVA (WMD −7.79; P = .008).Conclusions:Our meta-analysis suggests that age, osteopenia/osteoporosis, high preoperative SVA, high postoperative SVA, low preoperative LL, use of pedicle screws at the UIV, SVA change/correction, LL change/correction, and fusion to sacrum/pelvis/iliac region are risk factors for PJK.
Objectives/Hypothesis: The primary objective of this study was to assess the safety of parathyroidectomy during pregnancy as treatment for hyperparathyroidism (HPTH) in comparison to nonsurgical management plans. Secondary outcomes involved analyzing the safety of surgery in the third trimester and the benefit of operating on asymptomatic pregnant patients.Study Design: Systematic review. Methods: PRISMA-guided systematic review of all cases of primary hyperparathyroidism during pregnancy published in peer-reviewed English journals on PubMed/MEDLINE, EMBASE, and SCOPUS from 1980 to 2020.Results: A total of 75 manuscripts were included in this review describing 382 cases of gestational hyperparathyroidism. The median maternal age was 31 years. Overall, 108 cases (28.3%) underwent parathyroidectomy during pregnancy while 274 cases (71.7%) were treated nonsurgically. The majority of surgeries took place during the second trimester (67.6%). Complications and/or deaths were less likely to occur after surgery in the second trimester (4.48%) as compared to surgery in the third trimester (21.1%). Nine surgically treated cases resulted in infant complications and/or death; however, none of these nine cases had any surgical complications. Despite these complications, the overall infant complication rate for patients who underwent surgical treatment remained lower than that of patients treated with conservative therapy (9.1% vs. 38.9%).Conclusions: This review suggests that for all pregnant patients with diagnosed HPTH, parathyroidectomy should be considered regardless of symptomatology. Our data suggest that parathyroidectomy is associated with fewer risks than more conservative treatments and results in better fetal outcomes. Surgery during the third trimester is feasible and surgery should be considered in both symptomatic and asymptomatic patients.
Objective To provide a portrait of gender affirmation surgery (GAS) insurance coverage across the United States, with attention to procedures of the head and neck. Study Design Systematic review. Setting Policy review of US medical insurance companies. Methods State policies on transgender care for Medicaid insurance providers were collected for all 50 states. Each state’s policy on GAS and facial gender affirmation surgery (FGAS) was examined. The largest medical insurance companies in the United States were identified using the National Association of Insurance Commissioners Market Share report. Policies of the top 49 primary commercial medical insurance companies were examined. Results Medicaid policy reviews found that 18 states offer some level of gender-affirming coverage for their patients, but only 3 include FGAS (17%). Thirteen states prohibit Medicaid coverage of all transgender surgery, and 19 states have no published gender-affirming medical care coverage policy. Ninety-two percent of commercial medical insurance providers had a published policy on GAS coverage. Genital reconstruction was described as a medically necessary aspect of transgender care in 100% of the commercial policies reviewed. Ninety-three percent discussed coverage of FGAS, but 51% considered these procedures cosmetic. Thyroid chondroplasty (20%) was the most commonly covered FGAS procedure. Mandibular and frontal bone contouring, rhinoplasty, blepharoplasty, and facial rhytidectomy were each covered by 13% of the medical policies reviewed. Conclusion While certain surgical aspects of gender-affirming medical care are nearly ubiquitously covered by commercial insurance providers, FGAS is considered cosmetic by most Medicaid and commercial insurance providers, potentially limiting patient access. Level of Evidence Level V.
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