[Clinical observation periods for diphyllobothriasis patients depending on the invasion period].

Discrepancy between the terms of clinical observation and normalization of gastric functions was established on the basis of a time-course study of gastric secretory function in 189 diphylobothriasis patients examined before the treatment and 1-2, 5-6, 10-12 months after it. Recovery of the secretory function took less than 5-6 months in people recovered from short-term invasion (less than a year), while in patients recovered from long-term invasion (lasting more than a year) it took 10-12 months, and reduced secretory activity in the latter group was still observed in many cases 10-12 months after treatment. Results of the study may be used in optimization of terms and forms of clinical observation.