European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
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Review Case Reports
Staged surgical treatment for infection of total disc arthroplasty: three cases and a narrative review of the literature.
Although total disc arthroplasty (TDA) is a common procedure for selected cases of degenerative disc disease, until today there are only two cases of TDA infections reported in the literature. We report three cases of postoperative TDA infections, two developed cutaneous fistulas. ⋯ Surgeons are challenged by (1) major retroperitoneal vessels adherent to the device, (2) surrounding scar tissue, (3) accompanying retroperitoneal abscess, and (4) technical issues when removing and replacing the implant. A staged multidisciplinary team approach involving vascular and plastic surgery as well as spine specialists is mandatory to achieve good results.
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As yet, there are no studies describing a relationship between radiographic subsidence after lumbar total disc replacement (TDR) and patient symptoms. To investigate if subsidence, in terms of penetrated bone volume or angular rotation over time (ΔPBV and ΔAR), is related to clinical outcome. To assess if subsidence can be predicted by position implant asymmetry (IA) or relative size of the TDR, areal undersizing index (AUI) on direct post-operative radiographs. ⋯ Subsidence of a TDR is associated with a worse clinical outcome. The occurrence of subsidence is higher in case of incorrect placement or shape mismatch.
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Review Meta Analysis
Clinical course of pain and disability following primary lumbar discectomy: systematic review and meta-analysis.
To conduct a meta-analysis to describe clinical course of pain and disability in adult patients post-lumbar discectomy (PROSPERO: CRD42015020806). ⋯ Moderate-level evidence supports clinically relevant immediate improvement in leg pain and disability following lumbar discectomy with accompanying improvements in back pain. These slides can be retrieved under Electronic Supplementary Material.
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The five-repetition sit-to-stand (5R-STS) test was designed to capture objective functional impairment and thus provided an adjunctive dimension in patient assessment. The clinical interpretability and confounders of the 5R-STS remain poorly understood. In clinical use, it became apparent that 5R-STS performance may differ between patients with lumbar disk herniation (LDH), lumbar spinal stenosis (LSS) with or without low-grade spondylolisthesis, and chronic low back pain (CLBP). We seek to evaluate the extent of diagnostic information contained within 5R-STS testing. ⋯ 5R-STS performance differs according to the etiology of back and leg pain, even after adjustment for demographic covariates. In combination with machine learning algorithms, OFI can be used to infer the etiology of spinal back and leg pain with accuracy comparable to other diagnostic tests used in clinical examination. These slides can be retrieved under Electronic Supplementary Material.
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Randomized Controlled Trial Comparative Study
Comparison of percutaneous transforaminal endoscopic lumbar discectomy through unilateral versus bilateral approach for L3/4 or L4/5 lumbar disc herniation with bilateral symptoms: technical notes and a prospective randomized study.
In this study, the authors described the technical notes of percutaneous transforaminal endoscopic lumbar discectomy (PTELD) through unilateral approach and compared PTELD through unilateral versus bilateral approach for L3/4 or L4/5 lumbar disc herniation with bilateral symptoms. ⋯ For L3/4 or L4/5 LDH with bilateral symptoms, PTELD through unilateral approach is effective, with advantage of shorter operation time, shorter cumulative time of intraoperative fluoroscopy and milder postoperative short-term back pain compared to bilateral approach. These slides can be retrieved under Electronic Supplementary Material.