Obesity Surgery

, Volume 19, Issue 6, pp 817–818 | Cite as

Continuous Infusion of Intraperitoneal Bupivacaine After Laparoscopic Surgery: A Randomized Controlled Trial—What about Statistical Power and Analysis?

  • L. La CollaEmail author
  • A. Mangano
  • A. Albertin
Letter to the Editor


Morphine Bupivacaine Sample Size Calculation Intraindividual Variability Local Anesthetic Infusion 
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  1. 1.
    Sherwinter DA, Ghaznavi AM, Spinner D, et al. Continuous infusion of intraperitoneal bupivacaine after laparoscopic surgery: a randomized controlled trial. Obes Surg. 2008;18:1581–6.CrossRefGoogle Scholar
  2. 2.
    Savel RH, Balasubramanya S, Lasheen S, et al. Beneficial effects of humidified, warmed carbon dioxide insufflation during laparoscopic bariatric surgery: a randomized clinical trial. Obes Surg. 2005;15:64–9.CrossRefGoogle Scholar
  3. 3.
    Shafer SL, Struys MM. Mixed effect modeling in analgesia trials. Anesth Analg. 2008;107:9–10.CrossRefGoogle Scholar

Copyright information

© Springer Science + Business Media, LLC 2009

Authors and Affiliations

  1. 1.Department of AnesthesiologyVita-Salute San Raffaele University School of Medicine—IRCCS San RaffaeleMilanItaly
  2. 2.Vita-Salute San Raffaele University School of Medicine—IRCCS San RaffaeleMilanItaly
  3. 3.Department of AnesthesiologyIRCCS MultimedicaMilanItaly

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