ArticleFrontiers in medicine2026
Ultrasound-assisted modified paramedian approach vs. traditional paramedian approach for spinal anesthesia in lower limb surgery: a single-center randomized controlled trial.
Article in Frontiers in medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
Study objective: This randomized controlled trial aimed to determine whether an ultrasound-assisted modified paramedian approach could improve procedural outcomes compared with an ultrasound-assisted traditional paramedian approach for spinal anesthesia in patients undergoing lower limb surgery. Design: Prospective, randomized, controlled clinical trial. Setting: Operating rooms of Hebei Cangzhou Hospital of Integrated Traditional Chinese Medicine and Western Medicine, China. Patients: A total of 116 patients aged 18-90 years, with a body mass index of 18-30 kg/m Interventions: Patients were randomly assigned in a 1:1 ratio using a computer-generated random allocation sequence with concealed allocation to receive either ultrasound-assisted traditional paramedian spinal anesthesia (Group C, Main results: Compared with Group C, Group M required fewer needle passes to achieve successful cerebrospinal fluid (CSF) flow [median [IQR]: 1 [1-2] vs. 2 [1-3], Conclusions: The ultrasound-assisted modified paramedian approach was associated with fewer needle passes, improved first-pass success, and higher patient satisfaction ratings compared with the traditional paramedian approach, while without increasing short-term procedure-related adverse events. Further multicenter studies are warranted to determine whether these findings can be generalized to broader patient populations.
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