так бывает, что у детей старше 6 мес. но до 18 мес. амилаза может быть снижена у 10-50% детей, что может давать разные симптомы, но после 18 мес. все как правило нормали3уется, подробнее ниже:
72 children between age 0.21 and 15.7 years (boys, n = 35) had isolated amylase deficiency. The highest prevalence of isolated amylase deficiency was found in patients less than 6 months of age (52.9%). From 6 months to 1 year of age, the prevalence was 40%. The prevalence gradually decreased until 18 months. Failure to thrive, poor weight gain, diarrhea, and abdominal bloating were the most frequent indications for ePFT. Eleven children had repeat ePFT after initial diagnosis and 6 had normal enzyme activity, whereas 5 had remained amylase-deficient an average of 1.65 years later.
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