Intestinal bacterial flora and bile salt studies in hypogammaglobulinaemia

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Abstract
Five patients with adult acquired hypogammaglobulinaemia, four of whom were achlorhydric, were studied. Jejunal bacterial counts were much higher than those in a control group of acid secretors, but were similar to those in a control group of patients with pernicious anaemia; Giardia lamblia were isolated from the jejunal content of all patients with hypogammaglobulinaemia. The concentration of conjugated bile acids in the fasting state was lower in hypogammaglobulinaemia than in pernicious anaemia, but in the two hypogammaglobulinaemic patients with steatorrhoea there was a normal bile salt response to a fatty meal.