Haemorrhage Associated with Penetrations of the Aorta
AI-generated summary
Margaret Brooks, a 43-year-old woman, died from haemorrhage associated with aortic penetrations during laparoscopic gastric band insertion at Kaleeya Hospital on 8 September 1999. The operation was undertaken for weight management (BMI 35). During insertion of a 15mm trocar to create a port for the gastric band, the cutting blade penetrated the coeliac axis and both walls of the aorta in a single continuous motion. The surgeons did not observe the blade's penetration of these deep structures because they were compressed against the abdominal wall, preventing activation of the trocar's safety shield. Despite immediate recognition of bleeding and conversion to open surgery with vascular repair, the deceased died from traumatic blood loss and organ ischaemia. The coroner found this was misadventure, not medical negligence, and noted the difficulty of laparoscopic surgery in the upper abdomen near vital structures. A recommendation was made regarding patient information on trocar mechanics and risks.
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Specialties
general surgeryanaesthesiavascular surgery
Error types
procedural
Clinical conditions
obesityhaemorrhageaortic lacerationcoeliac axis lacerationischaemic organ damagecoagulopathy
Procedures
laparoscopic gastric band insertiontrocar insertionemergency laparotomyaortic repair
Contributing factors
Trocar blade penetrated coeliac axis and aorta during insertion of 15mm trocar for laparoscopic gastric band
Compression of intra-abdominal structures against abdominal wall preventing safety shield activation
Limited field of vision during laparoscopy (30-degree angle tunnel vision) preventing detection of blade penetration
Proximity of vital structures (aorta, coeliac axis) to surgical target area
Tenting effect potentially obscuring view of structure proximity
Possible loss of tactile and visual feedback during trocar insertion
Coroner's recommendations
Where laparoscopic surgery is non-essential, the necessary operation of the cutting instrument should be explained to prospective patients in association with the risks attached to any major surgery
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