Why the study?
Does ultrasound guidance improve the onset time and quality of sensory block compared to nerve stimulator guidance in patients undergoing hip surgery?
Population
40 patients (ASA physical status II or III) undergoing hip surgery after trauma
Comparison
Ultrasound-guided 3-in-1 block with 20 mL… vs Nerve stimulator-guided 3-in-1 block with 20 mL…
Design
RCT, randomly assigned to two groups
Follow-up
60 min
Authors
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Supports ultrasound guidance for faster 3-in-1 block onset in hip surgery; extends RCT evidence favoring it over nerve stimulation.
Does ultrasound guidance improve the onset time and quality of sensory block compared to nerve stimulator guidance in patients undergoing hip surgery?
Ultrasound guidance for 3-in-1 blocks significantly reduces onset time and improves sensory block quality compared to nerve stimulator guidance.
Marhofer et al. (1997) studied this question.
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