• Colin A Walsh, Tjun Tang, and Stewart R Walsh.
• Department of Obstetrics and Gynaecology, Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 2QQ, UK, UK.
• Int J Surg. 2008 Aug 1;6(4):339-44.

BackgroundAcute appendicitis is the most common non-obstetric indication for surgical intervention in pregnant women. The benefits of a laparoscopic over an open approach to appendicectomy are well established in the non-pregnant population. Data on the optimal surgical approach to acute appendicitis in pregnant women are conflicting.MethodsA systematic review of reported cases of laparoscopic appendicectomy (LA) in pregnancy over the period 1990 to 2007. Twenty-eight articles documenting 637 cases of LA in pregnancy were included. Data on pregnancy outcome, patient characteristics, operative technique and peri-operative complications were analysed.ResultsThe rate of fetal loss following LA in pregnancy approaches 6% and is significantly higher than that following open appendicectomy. Fetal loss was highest in cases of complicated appendicitis. Incidence of preterm delivery appears lower in the LA group although this complication is likely to be under-reported in a significant proportion of cases. Trimester at the time of LA does not appear to influence complication rates. The negative appendicectomy rate in this series was 27%, which is higher than in the non-pregnant population. Complication rates following LA with negative appendicitis are as high as with simple appendicitis. Rates of entry-related complications were 2.8% in the Veress needle group and 0% in the Hasson open entry group. The overall rate of conversion to laparotomy was 1%. No difference was found in the preterm delivery rate between women who received prophylactic tocolysis and those who were not tocolysed.ConclusionsLaparoscopic appendicectomy in pregnancy is associated with a low rate of intra-operative complications in all trimesters. However, LA in pregnancy is associated with a significantly higher rate of fetal loss compared to open appendicectomy. Rates of preterm delivery appear similar or slightly better following a laparoscopic approach. Open appendicectomy would appear to be the safer option for pregnant women for whom surgical intervention is indicated.

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