Burden of Complicated Intra-Abdominal Infections in Children in Nigeria: Recent Experience and Systematic Review.

Intra-abdominal infections encompass a wide range of conditions from uncomplicated appendicitis to fecal peritonitis. Little is known about the burden of complicated intra-abdominal infection (cIAIs) in children in low- and middle-income countries (LMICs). This a report of recent experience and a systematic review of the burden in Nigeria. Of 85 children with cIAIs, the most common primary cause was typhoid intestinal perforation (54; 63.5%) and complicated appendicitis (20; 23.5%). The complication rate after surgery was high, including surgical site infection (SSI) in 49 (57.6%), post-operative intra-abdominal abscess in 14 (16.5%), and complete abdominal wound dehiscence in 13 (15.3%). The rate of re-operation was 19 (22.4%) and 12 (14.1%) patients required re-admission for adhesion intestinal obstruction and unresolved SSI. Eight (9.4%) died from overwhelming infection. Systematic review revealed only a few publications, but these were mostly on specific causes of cIAIs and publications providing comprehensive data are lacking. Investment in research into cIAIs in children in LMICs is needed. Efforts need to be focused on the role of source control in reducing the high complication rate and mortality.