• M Martinez, J E Briz, and E H Carillo.
• Department of Surgery, Hospital General de Accidentes, Guatemala, Guatemala.
• Surg Endosc. 2001 Jan 1; 15 (1): 28-32; discussion 33.

BackgroundThe diagnostic workup in stable patients with penetrating thoracoabdominal injuries can be extremely difficult. Conventional diagnostic tests such as plain chest radiography, computed tomography scan, digital exploration, and diagnostic peritoneal lavage can be misleading. Classically, most of these patients have undergone exploratory laparotomy to determine whether there is a diaphragmatic injury.MethodsIn this study, 52 patients with penetrating thoracoabdominal trauma, and without any indication for immediate surgery, underwent video-assisted thoracoscopy to determine the presence of diaphragmatic injuries.ResultsOf the 52 patients, 48 were men. The left hemithorax was involved in 38 patients (73%). Chest x-ray was normal in 40 patients (77%) who were clinically asymptomatic. Stab wounds were responsible for 80% of the injuries. At the time of the thoracoscopy, 35 patients (67%) were found to have a diaphragmatic injury. All 35 diaphragmatic injuries were successfully repaired thoracoscopically. The procedure was completed in 50 patients (96%). There were no deaths or complications.ConclusionsThe incidence of diaphragmatic injuries is higher than anticipated in asymptomatic patients with penetrating thoracoabdominal wounds. Video thoracoscopy can be used as a safe, expeditious, minimally invasive, and extremely useful technique to facilitate the diagnosis of these injuries in asymptomatic patients. Furthermore, diaphragmatic injuries can be repaired easily through a thoracoscopic approach with no complications.

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