Abstract
To describe the dog as a model for studying laparoscopic correction of experimental diaphragmatic ruptures. Five male dogs were used in this study. Under laparoscopic approach, a defect of 7 cm was created on the left ventral insertion of the diaphragm. Fourteen days after this procedure, the abdomen was explored using laparoscopic access and the diaphragmatic defect was corrected with intracorporeal suture. The dislocated organs, surgical time, and suturing time were recorded. Analgesia and clinical condition were monitored during the postoperative period. All animals recovered well from the diaphragmatic rupture creation. After 14 days, abdominal organs (liver, spleen, omentum and/or intestine) were found inside the thoracic cavity in all animals. It was possible to reposition the organs and suture the defect by laparoscopic access in three animals. These animals showed excellent postoperative recovery. It was not possible to reposition the liver safely when it was friable. Laparoscopic creation of diaphragmatic rupture in dogs is feasible. Dogs are a good model for training and studying the correction of experimentally created diaphragmatic rupture by the laparoscopic approach. A friable liver is a complicating factor that should be taken into account. Animals submitted to laparoscopic correction showed excellent postoperative recovery.
Highlights
Traumatic diaphragmatic rupture is a medical condition that allows abdominal organs to migrate into the thoracic cavity
The use of scissors and hook with monopolar energy was successful in promoting the diaphragmatic defect
No abdominal organ was found displaced through the thoracic cavity at the end of this surgery
Summary
Traumatic diaphragmatic rupture is a medical condition that allows abdominal organs to migrate into the thoracic cavity. Treatment commonly requires the replacement of dislocated organs and suture of the diaphragmatic defect, usually by open laparotomy or thoracotomy[1]. The use of laparoscopy to diagnose diaphragmatic rupture was first described in 19842, but the first laparoscopic correction of this disease was reported only in 19943. The development of an animal model for experimental and/or training purposes regarding laparoscopic correction of diaphragmatic rupture is of interest, but has not been reported yet. The objective of the present study is to describe the dog as a model for diaphragmatic rupture development and correction, both by minimally invasive approaches
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