Several experimental and clinical studies have shown that citrates are useful in dissolving calcifications and proteic plug in pancreatic ducts both of alcoholic etiology and in patients with chronic pancreatitis. Until now, using citrates to dissolve stones in clinical studies was performed orally with satisfactory medium-term results, including control of abdominal pain and eradication of shadows on X-rays. Laboratory studies have shown that these concretions dissolve quickly when such compounds are applied directly. This paper reports 2 women aged 27 and 40 with histories of chronic abdominal pain, and who, by abdominal X-ray and endoscopic retrograde cholangiopancreatography (ERCP), were shown to have multiple calcifications in the main and accessory pancreatic ducts. In both patients, endoscopic sphincterotomy of the bile and pancreatic segments of the sphincter of Oddi and introduction of a nasopancreatic catheter and intraductal infusion of citrates were performed. Radiological controls showed fragmentation and disappearance of calcifications. Clinically, there was complete absence of abdominal pain in the first week following the procedure. This is the first human study of intraductal administration of citrates to dissolve pancreatic lithiasis with highly favorable results.

Keywords:
Therapeutic endoscopy in chronic pancreatitis, Citrates and pancreatic calcifications
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© 1997 S. Karger AG, Basel
1997
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