• Gustavo Pereira Fraga, Juliana Pinho Espínola, and Mario Mantovani.
• Division of Trauma Surgery, Department of Surgery, Faculty of Medicine, State University of Campinas, Brazil. fragagp@uol.com.br
• Acta Cir Bras. 2008 Mar 1;23(2):208-15.

PurposeThe purpose of the present study is to analyze the results of subxiphoid pericardial window (SPW) and transdiaphragmatic pericardial window (TDP) procedures comparing the two techniques.MethodsDuring the period of January, 1994 to December, 2004, at UNICAMP, 245 patients underwent a pericardial window (PW) procedure to evaluate the possibility of cardiac injury. We reviewed the medical records of those patients in order to compare both procedures.ResultsTwo hundred and seven patients (84.5%) underwent the SPW procedure, and 38 (15.5%) underwent the TDP procedure. Of the patients who underwent a SPW procedure, 151 (72.9%) had gunshots injuries, and 56 (27.1%) had stab wounds. In the group of patients submitted to TDP procedure, the wound was caused by gunshot in 26 (68.4%). The SPW method has shown a sensitivity of 97.5%, specificity of 95.8%, and an accuracy of 96.1%. The TDP method demonstrated a sensitivity of 100%, specificity of 97% and a 97.4% of accuracy rate. This review showed 8 (3.3%) false positive results. There was a single case (2.6%) of complications directly associated to the TDP, and this patient developed pericarditis.ConclusionsBoth techniques presented an equally great result, with high sensitivity and specificity. Both surgical techniques must be carefully done to avoid false positive results.

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