Influence of alcohol consumption on the initial development of chronic pancreatitis.

The aim of our study was to analyze the influence of alcohol consumption on the early clinical manifestations of alcoholic chronic pancreatitis of the 517 patients in whom chronic pancreatitis was initially suspected, 158 were diagnosed with this disease; of these, alcohol was considered the cause in 136 (86.1%). Alcohol was considered a major etiologic factor when mean consumption was > or = 60 grams per day for at least 4 years. Alcohol consumption, initial clinical manifestations and time of onset were considered up until the moment of diagnosis in all patients. The sex distribution was 133 men (97.8%) and 3 women (2.2%). The average age was 22 +/- 6.5 years at onset of alcoholism, 38 +/- 9.4 years at onset of clinical features, and 44 +/- 9.4 years at diagnosis. The interval between the onset of alcoholism and the initial clinical manifestations was 15.8 +/- 8.8 years, and the interval between the latter and diagnosis was 6.1 +/- 4.9 years. Average alcohol consumption was 162 +/- 8 grams/day and total consumption was 1312 +/- 1017 kg. A statistically significant relationship was found only for mean alcohol consumption and abdominal pain. We found a higher frequency of acute pancreatitis outbreaks, calcifications, steatorrhea and diabetes until the moment of diagnosis in the higher alcohol consumption groups, although the relationship was not statistically significant.