The effect of Valsalva maneuver in attenuating skin puncture pain during spinal anesthesia: a randomized controlled trial.

CONCLUSIONS: Valsalva can be performed routinely in ASA I and II patients undergoing spinal anesthesia as it is safe, painless and non-pharmacological method of pain attenuation. PMID: 26885298 [PubMed]
Source: Korean Journal of Anesthesiology - Category: Anesthesiology Tags: Korean J Anesthesiol Source Type: research