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Abdominal Lavage – Definition and Application

Abdominal lavage is a surgical procedure in which the abdominal cavity is rinsed with a sterile solution to remove bacteria, pus, or blood caused by infections or injuries.

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Things worth knowing about "Abdominal Lavage"

Abdominal lavage is a surgical procedure in which the abdominal cavity is rinsed with a sterile solution to remove bacteria, pus, or blood caused by infections or injuries.

What is Abdominal Lavage?

Abdominal lavage (also known as peritoneal lavage or abdominal irrigation) is a surgical procedure in which the abdominal cavity is thoroughly rinsed using a sterile irrigating solution. The primary goal is to remove pathogens, pus, blood, bile, or other contaminants from the abdominal space in order to treat or prevent serious infections.

The procedure is commonly performed during surgical operations, particularly in emergency settings or when treating severe abdominal conditions such as peritonitis.

Indications for Abdominal Lavage

Abdominal lavage is indicated in a variety of clinical situations, including:

Peritonitis: Inflammation of the peritoneum (the lining of the abdominal cavity), often caused by a ruptured appendix, bowel perforation, or other infections.
Intra-abdominal abscesses: Collections of pus that require surgical drainage and irrigation.
Abdominal trauma: Used diagnostically and therapeutically following blunt abdominal trauma with suspected internal bleeding.
Postoperative complications: Such as anastomotic leakage or suture line failure following bowel surgery.
Diagnostic peritoneal lavage: To evaluate the presence of blood, bile, or bowel contents in cases of uncertain abdominal findings.

How is Abdominal Lavage Performed?

The procedure can be carried out as an open surgical technique (via laparotomy) or as a minimally invasive procedure (via laparoscopy).

Step-by-Step Procedure

The patient is placed under general anesthesia.
The surgeon gains access to the abdominal cavity either through a midline incision (laparotomy) or through small keyhole incisions (laparoscopy).
A sterile irrigation solution -- typically isotonic saline (0.9% NaCl) or Ringer solution -- is introduced into the abdominal cavity.
The fluid is then suctioned out, carrying bacteria, pus, and tissue debris with it.
This process is repeated until the returning fluid runs clear.
In severe cases, a planned relook laparotomy (scheduled repeat surgery) may be performed to repeat the lavage procedure.

Variants of Abdominal Lavage

Diagnostic Peritoneal Lavage (DPL)

Diagnostic peritoneal lavage is a specific form of abdominal lavage used to identify internal injuries, particularly following blunt abdominal trauma. Irrigating fluid is introduced and then retrieved and analyzed for the presence of blood, bile, or intestinal contents. Today, this method has largely been replaced by imaging techniques such as focused abdominal sonography for trauma (FAST) and abdominal CT scans.

Continuous Postoperative Peritoneal Irrigation

In cases of severe intra-abdominal infection, continuous irrigation via surgically placed drains may be employed after the primary operation. This allows for ongoing removal of infectious material and inflammatory mediators from the abdominal cavity.

Risks and Possible Complications

As with any surgical procedure, abdominal lavage carries potential risks and complications:

Postoperative bleeding within the surgical field
Injury to adjacent organs (e.g., bowel, bladder, or blood vessels)
Introduction of new infection or superinfection
Electrolyte imbalances due to absorption of irrigating fluid
Adhesion formation (scarring) following the procedure
Wound healing problems, especially in immunocompromised patients

Postoperative Care and Recovery

Following abdominal lavage, patients typically require intensive care monitoring. Postoperative management includes:

Regular laboratory monitoring of inflammatory markers (CRP, white blood cell count)
Antibiotic therapy to combat ongoing or residual infection
Adequate pain management
Monitoring of drain output for volume and character of fluid
Gradual reintroduction of oral nutrition once bowel function resumes

References

Solomkin JS, Mazuski JE, Bradley JS et al. Diagnosis and Management of Complicated Intra-abdominal Infection in Adults and Children. Clinical Infectious Diseases. 2010;50(2):133-164.
Wittmann DH, Schein M, Condon RE. Management of secondary peritonitis. Annals of Surgery. 1996;224(1):10-18.
World Society of Emergency Surgery (WSES): WSES Jerusalem guidelines for diagnosis and treatment of acute appendicitis. World Journal of Emergency Surgery. 2020;15:27.

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