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Prehabilitation is defined as the process of augmenting functional capacity before surgery in preparation for the postoperative phase. This study intends to assess the feasibility of conducting a preoperative intervention program in patients with lumbar spinal stenosis and to report on the piloting of the proposed intervention. Patients were allocated to a 6-week supervised preoperative rehabilitation program or a control group. The intervention included supervised exercise sessions aimed to improve strength, muscular endurance, and spinal stabilization. Outcomes were measured at baseline, 6 weeks later and again 6 weeks, 3 months and 6 months after surgery. Sixty-five percent of admissible participants agreed to take part in the study, of which 5% dropped out before the end of the intervention period. Eighty-eight percent of potential training sessions were delivered without adverse event. Improvements were seen in favour of the experimental group at the preoperative assessment for active ranges of motion, leg pain intensity, lumbar extensor muscle endurance and walking capacities. Results show that slight modifications to the choice of outcome measures would increase feasibility of the main study. The absence of adverse events coupled with positive changes seen in dependant outcome measures warrant the conduct of a full-scale trial assessing the effectiveness of the intervention.
Lumbar spinal stenosis is the most common reason for spine surgery in older adults, but the effects of prehabilitation on perioperative outcomes among these patients have not been investigated. This study aims to evaluate the effectiveness of a preoperative exercise-based intervention program compared with usual care on the improvement of clinical status, physical capacities and postoperative recovery of patients awaiting surgery for lumbar spinal stenosis. Sixty-eight participants were randomised to receive either a 6-week supervised exercise-based prehabilitation program or hospital usual care. The outcomes included both clinical and physical measures. Data collection occurred at post-intervention, and 6 weeks, 3- and 6-months post-surgery. Significant but small improvements were found in favour of the experimental group at the post-intervention assessment for pain intensity, lumbar spinal stenosis-related disability, lumbar strength in flexion, low back extensor muscles endurance, total ambulation time, and sit to stand performance. A significant difference in favor of the intervention group was found starting at the 3-month postoperative follow-up for low back-related disability. No adverse events were reported. Exercise-based prehabilitation did not improve short-term postoperative recovery in patients with lumbar spinal stenosis.
BackgroundDegenerative lumbar spinal stenosis is a prevalent condition in adults over the age of 65 and often leads to deconditioning. Although the benefits of surgery outweigh those of conservative approaches, physical rehabilitation may be used to improve function and to minimize the risk of persistent dysfunction. This study protocol was designed to establish the feasibility of a full-scale randomized controlled trial and to assess the efficacy of an active preoperative intervention program on the improvement of clinical parameters and functional physical capacity in patients undergoing surgery for lumbar spinal stenosis.Methods/DesignForty patients will be recruited and randomly allocated to one of the 2 treatment arms: 6 weeks supervised preoperative rehabilitation program (experimental group) or hospital standard preoperative management (control group). The intervention group will be trained three times per week, with each session aiming to improve strength, muscular endurance, spinal stabilization and cardiovascular fitness. Intensity and complexity of exercises will be gradually increased throughout the sessions, depending on each participant’s individual progress. Primary outcomes are level of low back disability and level of pain. Secondary outcomes include the use of pain medication, quality of life, patient’s global impression of change, lumbar extensor muscles endurance, maximum voluntary contraction of lumbar flexor and extensor muscles, maximum voluntary contraction of knee extensors, active lumbar ranges of motion, walking abilities, and cardiovascular capacity. Both the primary and secondary outcomes will be measured at baseline, at the end of the training program (6 weeks after baseline evaluation for control participants), and at 6 weeks, 3 and 6 months postoperatively.DiscussionThis study will inform the design of a future large-scale trial. Improvements of physical performances before undergoing lumbar surgery may limit functional limitations occurring after a surgical intervention. Results of this study will provide opportunity to efficiently improve spinal care and advance our knowledge of favorable preoperative strategies to optimize postoperative recovery.Trial registrationUS National Institutes of Health Clinical Trials registry NCT02258672, 10 February 2014.
BackgroundWhen conservative therapies for low back pain (LBP) are not effective, elective surgery may be proposed to these patients. Over the last 20 years, a new technology, disc replacement, has become increasingly popular because it is believed to maintain or restore the integrity of spinal movement and minimize the side-effects compared to fusion. Although disc replacement may relieve a patient from pain and related disability, soreness and stiffness of the lumbopelvic region seem to be common aftermaths of the surgery. This prospective case series was undertaken to identify and describe potential adverse events of lumbar spinal manipulation, a common therapy for low back pain, in a group of patients with symptoms after disc prostheses.Cases presentationEight patients who underwent lumbar spine total disc replacement were referred by an orthopaedic surgeon for chiropractic treatments. These patients had 1 or 2 total lumbar disc replacements and were considered stable according to the surgical protocol but presented persistent, post-surgical, non-specific LBP or pelvic pain. They were treated with lumbar spine side posture manipulations only and received 8 to 10 chiropractic treatments based on the clinical evolution and the chiropractor's judgment. Outcome measures included benign, self-limiting, and serious adverse events after low back spinal manipulative therapy. The Oswestry Disability Index, a pain scale and the fear avoidance belief questionnaire were administered to respectively assess disability, pain and fear avoidance belief about work and physical activity. This prospective case series comprised 8 patients who all had at least 1 total disc replacement at the L4/L5 or L5/S1 level and described persistent post-surgical LBP interfering with their daily activities. Commonly-reported side-effects of a benign nature included increased pain and/or stiffness of short duration in nearly half of the chiropractic treatment period. No major or irreversible complication was noted.ConclusionsDuring the short treatment period, no major complication was encountered by the patients. Moreover, the benign side-effects reported after lumbar spine manipulation were similar in nature and duration to those frequently experienced by the general population.
Study Design. An observational prospective study. Objective. The study objective was to assess the reliability and validity of the French-Canadian version (FCSSSQ) of the Swiss Spinal Stenosis questionnaire (SSSQ). Summary of Background Data. The SSSQ is a validated disease-specific tool developed to assess pain, function, and satisfaction with care in patients with lumbar spinal stenosis (LSS). Methods. The French-Canadian translation and adaptation of the SSSQ was completed following a four-stage approach: (1) forward translation; (2) synthesis; (3) expert committee review; and (4) testing of the questionnaire prefinal version. Psychometric properties were subsequently determined in patients who had undergone decompressive surgery for degenerative LSS. Patients completed the SSSQ adapted version, the Numerical Rating Scale, and the Oswestry Disability Index. Test-retest reliability was assessed with weighted Kappa score and intraclass correlation coefficient. Construct validity was evaluated using the Spearman correlation coefficient and responsiveness with the mean standardized response as well as the area under the receiver operating characteristic curve (AUROC). Floor and ceiling effects and internal consistency were also evaluated. Results. Twenty-five and 50 patients were included for the adaptation and validation processes, respectively. The test-retest reliability of the FCSSSQ total score was excellent [intraclass correlation coefficient (ICC) = 0.996; 95% confidence interval (95% CI) 0.938–0.982]. High Spearman correlation coefficients were also found between the total FCSSSQ score and the leg pain Numerical Rating Scale (NRS, 0.801), back pain NRS (0.705), and the Oswestry Disability Index (ODI, 0.825) scores. External responsiveness analysis was satisfactory with an AUROC of 0.875 (95% CI 0.744–1.0). The lowest FCSSSQ possible score was observed in five patients (10%), whereas no patients reported the highest possible score. The Cronbach α coefficient ranged from 0.810 to 0.945 indicating good to excellent internal consistency. Conclusion. The French-Canadian version of the SSSQ is a reliable and valid questionnaire consistent with the original English version. This new version will help French-speaking clinicians and scientists document changes in condition and treatment satisfaction in patients with LSS. Level of Evidence: 2
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