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著者: Michael C Gordon, Ada Ventura-Braswell, Kenneth Higby, John A Ward
雑誌名: Am J Obstet Gynecol. 2007 Jan;196(1):55.e1-4. doi: 10.1016/j.ajog.2006.08.025.
Abstract/Text
OBJECTIVE: The null hypothesis is that local anesthesia does not decrease pain perception during amniocentesis.
STUDY DESIGN: We performed a prospective randomized study comparing local anesthesia (1% lidocaine) with no anesthesia before amniocentesis in a racially diverse population. Immediately after the procedure, subjects were asked to assess their pain using both a Visual Analogue Scale and a 101-point Numerical Rating Scale.
RESULTS: Two hundred four women were enrolled; 101 women received local, 102 women received no local, and 1 woman declined the amniocentesis after randomization. There was no difference in pain perception between the 2 groups as measured by either the visual analogue scale or the numeric rating scale (P = .28 and .18 respectively). The correlation coefficient between the 2 pain scales was strong with 0.86 for the local group and 0.92 for the no local group, (P < .001).
CONCLUSION: Administration of local anesthesia before amniocentesis does not decrease maternal pain perception.
PMID 17240233 Am J Obstet Gynecol. 2007 Jan;196(1):55.e1-4. doi: 10.1016/j.ajog.2006.08.025.
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