Managing the Open Abdomen

Published on 09/04/2015 by admin

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Last modified 09/04/2015

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Chapter 16 Managing the Open Abdomen

1 Clinical Anatomy

Management of the open abdomen does not depend so much on recognition of the anatomy of the abdominal wall but on the maintenance of the anterior peritoneal space (Fig. 16-1). If this space is maintained, there is the potential to continue to work toward closure of the abdominal wall. If this space is lost, then the surgeon must move on to protecting the viscera from the external environment and trying to obtain skin closure over the bowel.

2 Preoperative Considerations

2 Pharmacologic Management

Whether or not a patient who has an open abdomen needs to remain paralyzed and intubated has been questioned. Obviously, if the patient is critically ill or if there are other reasons why intubation and paralysis are necessary, these will take precedence over the open abdomen. If, however, the patient does not have acute physiologic derangements, then weaning of paralysis and just maintaining the patient on sedation is reasonable. Whereas some would extubate these patients, in this author’s experience, extubation is not warranted for patients who are going back to surgery frequently and who also usually have other medical issues that are being addressed.

The other pharmacologic question is that of antibiotic use. There have been no randomized controlled trials and very few case-control series using antibiotics with an open abdomen if there is no gross contamination or infection. Thus, antibiotics in clean and clean-contaminated cases cannot be justified beyond 24 hours. If the wound is contaminated or infected, then prophylactic/therapeutic antibiotics should be administered. The length of time depends on the severity of contamination or infection and the patient’s other comorbidities. One final issue is the abdomen that has laparotomy pads in place to control bleeding. These patients should be placed on prophylactic antibiotics because of an increased incidence of intraabdominal abscess.

Nutrition also can be considered a pharmacologic intervention. There is no contraindication to enteral nutrition just because the abdomen is open. Although there may be other reasons not to institute enteral feedings, the presence of an open abdomen is not one of them.

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