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Spanish multicenter study to estimate the incidence of chronic pancreatitis
J Enrique Domínguez Muñoz1, Alfredo José Lucendo Villarín2, L Fernando Carballo Álvarez3
1Aparato Digestivo, Hospital Clinico Universitario de Santiago, España.
Objective:
To estimate the incidence of chronic pancreatitis in Spain as diagnosed with endoscopic ultrasound (EUS), and to assess the risk factors and complications detected.
Material And Method:
A descriptive, observational study of chronic pancreatitis cases diagnosed in Spanish health care centers with an EUS unit. A structured questionnaire was used to evaluate the incidence of the disease (cases identified over 18 months: from January 2011 to June 2012), risk factors, EUS criteria, Rosemont classification, and frequency of local complications.
Results:
Twenty-three centers were selected serving a total reference area of 14,752,704 population. During the study period 1,031 chronic pancreatitis cases were diagnosed, with an incidence of 4.66 cases per 105 inhabitants/year (95% CI: 4.65-4.67). Tobacco and alcohol use appear as risk factors in 63.8% and 66.7% of cases, respectively. Of these, 53.3% met > 5 EUS criteria for chronic pancreatitis, and 69% had findings suggestive of or consistent with chronic pancreatitis according to the Rosemont classification. Most prevalent complications included calcifications (34.7%), pseudocysts (16%), and presence of an inflammatory pancreatic tumor (10.4%).
Conclusions:
The incidence of chronic pancreatitis in Spain is similar to that of other European countries. Given the widespread use of the technique, EUS units are key in detecting the disease, and their activity and results allow to estimate the incidence of chronic pancreatitis over wide, representative population areas.
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