Management of Biliary Ascariasis in Children Living in an Endemic Area

Abstract

Background: One quarter of the world's population is known to be infected with ascariasis. It is endemic in various parts of the Indian subcontinent with a high incidence in the Kashmir valley. Although intestinal obstruction is the commonest complication of ascariasis in children, biliary ascariasis remains the second most common complication [1] [2]. We aimed to study the various types of clinical presentations, complications and different diagnostic tools and to assess various options for the management of biliary ascariasis.

Materials and Methods: Sixty-one cases of ultrasound documented hepatobiliary ascariasis were studied prospectively over a period of 3 years from Jan 2003 to Dec 2005 at the Sheri-Kashmir Institute of Medical Sciences in Srinagar, Kashmir. All patients were children aged between 3 and 14 years. All patients were admitted to hospital and put on intravenous fluids, nothing per os until patients were symptom-free, broadspectrum antibiotics and antispasmodics. All patients received antihelminthics in the form of albendazole 400 mg as soon as patients could accept oral medication. Conservative management was continued until the patients were symptom-free. Endoscopic extraction was deferred until 3 weeks later except in patients with pyogenic cholangitis where urgent endoscopic intervention was carried out. Surgical intervention was carried out if both conservative management and endoscopic extraction failed or ERCP could not be performed for technical reasons or complications developed.

Results: The most common presentation was upper abdominal pain in 36 (59%) patients followed by vomiting of worms in 20 (33.3%) cases. Complications included cholangitis in 8 (13.1%), obstructive jaundice in 7 (11.4%), acute pancreatitis in 1 (1.6%) and hepatic abscess in 1 (1.6%) patient. Spontaneous passage of worms from the biliary ducts was observed in 44 (72.1%) patients. ERCP was successful in 8 (13.1%) patients, and 9 (14.7%) patients needed surgical intervention.

Conclusion: In endemic countries, ascariasis should be suspected in patients with biliary disease. Most patients respond to conservative management although a few may need surgical intervention. Although this disease is prevalent in developing countries, because of increased travel and migration, clinicians elsewhere should be aware of the problems associated with ascariasis.

Key words

biliary ascariasis - ERCP - ultrasonography

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Correspondence