Brit J Hosp Med
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Adverse effects of perioperative opioids have led to the pursuit of 'opioid-free anaesthesia'. While early studies have shown that effective analgesia can be achieved without using opioids, with some reduction in unwanted effects, further research is needed to elucidate which patients may benefit most and how.
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Cauda equina syndrome is an uncommon but serious cause of lower back pain resulting from compression of the cauda equina nerve roots, most commonly by lumbar disc herniation. Red flag symptoms, such as bladder dysfunction, saddle anaesthesia and sciatica, should lead to high clinical suspicion of cauda equina syndrome. ⋯ Immediate magnetic resonance imaging, within 1 hour of presentation to the emergency department, is crucial in patients with suspected cauda equina syndrome to allow prompt diagnosis and treatment. Urgent decompressive surgery is usually recommended for the best outcomes, to reduce morbidity and complication rates.