Diagnosis and management of lumbar spinal stenosis in primary care in France: a survey of general practitioners

Abstract

Background Lumbar spinal stenosis (LSS) is a common spinal condition and the most frequent indication for spinal surgery in elderly people. General practitioners (GPs) are on the 1st line for its diagnosis and treatment. We aimed to assess how GPs diagnose and treat people with LSS in France. Methods We conducted a cross-sectional survey in a primary care setting. French GPs were selected by a random draw from the French Medical Board. The questionnaire was designed by 3 physicians specialized in physical and rehabilitation medicine and a resident in general practice. A provisional questionnaire was tested in a pilot survey of 11 French GPs. Participants’ feedbacks served to build the final questionnaire. This latter was submitted by e-mail or mail to 330 GPs. GPs were surveyed about the 3 main domains relevant to the management of people with LSS in primary care: 1/ diagnosis, 2/ pharmacological treatments and 3/ non-pharmacological treatments, using self-administered open- and closed-ended questions and visual analog scales. Results Overall, 90/330 (27.3%) GPs completed the survey. 51/89 (57.3%) GPs were confident with managing people with LSS. Low back pain 51/87 (58.6%), neurogenic claudication 38/87 (43.7%) and paresthesia in the lower limbs 31/87 (35.6%) were the 3 most frequently cited clinical signs leading to the diagnosis of LSS. Improvement with lumbar flexion was mentioned by 9/87 (10.3%) GPs. 85/86 (98.8%) would consider prescribing lumbar imaging, 60/84 (71.4%) corticoid spinal injections and 42/79 (53.2%) would never prescribe lumbar flexion-based endurance training. All GPs would refer people with LSS to another specialist. Conclusions French GPs lack confidence with diagnosing LSS and prescribing pharmacological and non-pharmacological treatments for people with LSS.

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