Background: Low back pain can be caused by several pathological entities and its perception can be altered by external factors, for example by some psychological and social factors. The objective of this study was to compare surgical outcomes in patients with or without psychosocial issues.Methods: Single center, retrospective and comparative study. Patients with indication to elective lumbar spine surgery were screened for some psychosocial factors. As a result of the screening, patients were divided in two groups: mild psychosocial issues (green group) or moderate psychosocial issues (yellow group). The Results: A total of 136 patients were included (51% female) in this study. The 62.5% were allocated at the green group, and 37.5% in the yellow group. Similar pain levels were observed at preop, but the green group evolved with superior improvement in pain levels after surgery (P=0.003). In the ODI and EQ-5D scales, the green group had already shown lower clinical disability at preop (P=0.009 and P=0.003, respectively) and evolved with better outcomes at the final evaluation (P=0.049 and P=0.017). VAS, ODI and EQ-5D scores improved from baseline similarly in both groups.Conclusions: Presurgical screening identify the presence of psychological distress. Psychosocial factors are correlated with poorer clinical outcomes, both in the baseline and after the surgery. Despite the differences between found, even patients with mild psychosocial impairment can experience clinical improvement with surgery.
ObjectivesHistorically, anterior lumbar interbody fusion (ALIF) was related to high rates of intraoperative complications and adverse events related to interbody devices. In recent decades, there have been technical adjustments, and cages that are more suitable have emerged. The aim of this study is to evaluate the efficacy and complication rate of the use of stand-alone mini-ALIF using a self-locking cage.MethodsRetrospective single center study. Inclusion criteria: retroperitoneal mini-ALIF for single-level fusion (L5S1); self-locking cage; DDD/stenosis and grade I spondylolisthesis. Exclusion criteria: posterior supplementation, previous fusion/arthroplasty. Endpoints: surgery data, intraoperative and perioperative adverse events related both to surgical access and to the intersomatic device.ResultsEighty-seven cases were enrolled. Median surgical time was 90 min; median blood loss was 100 mL. The median length of stay in the ICU was zero days; median hospital stay was one day. Ten cases had an adverse event (11.5%): four major adverse events (4.6%; 3 L bleeding; DVT; retroperitoneal haematoma; incisional hernia), and seven minor events (8%; peritoneum injury; minor vascular injury; events related to the cage). No cases of retrograde ejaculation were observed. There was improvement in pain, physical restriction, and quality of life (p < 0.001).ConclusionsThe mini-ALIF procedure performed for single-level fusion at the distal lumbar level demonstrated low adverse event rates related to both the surgical approach and to the intersomatic device, with reduced hospital stay and satisfactory perioperative clinical results.
Objective: This study aims to evaluate the reliability and equivalency of using the Cobbmeter application for iPhone compared to the manual measurement method in the analysis of the sagittal spinal alignment. Methods: Cross-sectional, prospective, single-center study that had 20 panoramic radiographs of the spine in lateral view, in a neutral standing position, analyzed blindly and randomly by three independent examiners in three different times. The parameters were pelvic incidence (PI), pelvic tilt (PT) and lumbar lordosis (LL). The statistical analysis was performed to measure the intraclass correlation coefficient (ICC) between the two measurement methods, in addition to measuring the intra and inter-evaluators reliability. Results: For reproducibility analysis, the intra-evaluators ICC using the application resulted in a Kappa (K) of 0.975 for the evaluation of pelvic incidence (PI) evaluation. For pelvic tilt (PT), the K value obtained was 0.981 and the K measured for lumbar lordosis (LL) analysis was 0.987. The inter-evaluators evaluation of reproducibility using the application resulted in a K value of 0.917 for PI, 0.930 for PT and 0.951 for LL. For the assessment of equivalency of methods, comparing the application to the standard method, with a goniometer and dermographic pencil, the K value found for PI was 0.873, for PV was 0.939 and for LL was 0.914. All values were significant (p<0.001) against the null hypothesis. Conclusion: This smartphone application is a valid and reliable instrument for measuring the angle involved in the sagittal balance of the spine. Furthermore, the results show that its applicability is not inferior to the manual method with goniometer and dermographic pencil.Keywords: Spine; Diagnostic imaging; Postural balance; Lordosis; Kyphosis; Pelvis. RESUMO
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