• Özgür Pekel, Sinan Hatipoglu, Ahmet Nuray Turhan, Filiz Hatipoglu, Ruslan Abdullayev, and Süha Göksel.
• Department of General Surgery Unit, Sevket Yilmaz Training and Research Hospital, Bursa, Turkey. hamitsinanh@gmail.com.
• Ulus Travma Acil Cer. 2015 Jan 1;21(1):15-21.

BackgroundSelective observation method has started to replace routine laparotomy application for abdominal penetrating trauma patients after Shaftan's selective observation method applied in the 1960s. In this respect, there is a possibility of bowel perforations healing without operations. An experimental model was established in this study in order to clarify this possibility.MethodsFifty Wistar-Albino rats were divided into five groups, ten in each. While one group served as the control, distal part of the small bowel of the rats in the other four groups was perforated 1, 2, 3, and 4 mm in diameter with appropriate cutters. After a week of observation, test rats were sacrificed and relaparotomy was applied. The test material consisting of the perforated bowel, covering 1 cm of proximal and distal margins, and some peritoneal tissue was taken for histopathological examination.ResultsSmall bowel perforations with a diameter of 2 mm or below healed spontaneously without any operation. Peritonitis intensity increased in direct ratio with perforation diameters. Wall repair capacity of the bowel diminished with increasing perforation diameters.ConclusionIt was observed that small perforations in the small bowel of rats could be limited by the organism itself without a necessity of any surgical intervention.

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