Transduodenal sphincteroplasty for sphincter of Oddi dysfunction

Sphincter of Oddi Dysfunction

INTRODUCTION Sphincter of Oddi dysfunction (SOD) is a benign acalculous obstruction to the flow of biliopancreatic secretions through the sphincter of Oddi (1,2). In the general population, its prevalence is 1.5% (3). It is one of the known causes of post-cholecystectomy syndrome, and is observed in 14%–23% of these patients (4,5). The post-cholecystectomy syndrome can loosely be defined as a p...

Sphincter of Oddi Dysfunction: Introduction

Sphincter of Oddi dysfunction refers to structural or functional disorders involving the biliary sphincter that may result in impedance of bile and pancreatic juice flow. Up to 20% of patients with continued pain after cholecystectomy and 10–20% of patients with idiopathic recurrent pancreatitis may suffer from sphincter of Oddi dysfunction. This condition is more prevalent among middle-aged wo...

Sphincter of Oddi dysfunction: diagnosis and treatment.

Since its original description by Ruggero Oddi in 1887, the sphincter of Oddi (SO) has been the subject of much study and controversy. Its very existence as a distinct anatomic or physiologic entity has been disputed. Hence, it is not surprising that the clinical syndrome of sphincter of Oddi dysfunction (SOD) and its therapy are controversial areas [1]. Nevertheless, SOD is commonly diagnosed ...

Diagnosis of sphincter of Oddi dysfunction.

What is sphincter of Oddi dysfunction?

Ever since its description approximately 100 years ago, the sphincter of Oddi has been surrounded by controversy. First, whether it indeed existed, second, whether it had a significant physiological role in man and more recently whether abnormalities in its function give rise to a clinical syndrome. Data from animal and human studies, using sensitive techniques, have helped define the physiolog...