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  • Title: Abnormalities in gallbladder dynamics of type 1 (insulin-dependent) diabetic patients with autonomic neuropathy.
    Author: Ludwig EB, Gross JL, Pecis M, de-Azevedo MJ.
    Journal: Braz J Med Biol Res; 1995 May; 28(5):531-6. PubMed ID: 8555972.
    Abstract:
    The aim of this study was to evaluate gallbladder dynamics in insulin-dependent diabetic patients with and without autonomic neuropathy. Gallbladder dynamics was studied by a scintigraphic method after a test meal in 26 insulin-dependent diabetic patients and 10 normal individuals. The presence and severity of autonomic neuropathy were defined according to the number of abnormal cardiovascular reflex tests: absent (no abnormal test), mild (1-3 abnormal tests), and severe (4-5 abnormal tests). The time from the moment when the patient started to take the test meal to the beginning of gallbladder emptying was longer (P = 0.01) in diabetic patients with mild (N = 11, 12.1 +/- 7.6 min) and severe neuropathy (N = 8, 11.0 +/- 10.6 min) than diabetic patients without autonomic neuropathy (N = 7, 3.9 +/- 4.4 min) and controls (N = 10, 4.8 +/- 4.2 min). The ejection rate was higher (P = 0.02) in the group with severe autonomic neuropathy (N = 8, 5.1 +/- 3.3%/min) than diabetic patients with mild (N = 11, 2.0 +/- 1.0%/min) or without autonomic neuropathy (N = 7, 1.8 +/- 0.8%/min) and controls (N = 10, 2.6 +/- 1%/min). Thirty-two percent of the diabetic patients with autonomic neuropathy presented increased perspiration, nausea and urgency to defecate after the ingestion of the test meal. A significant positive correlation of ejection rate with the presence of these symptoms (biserial point correlation test = 0.67, P < 0.01) was also observed. These data suggest that insulin-dependent diabetic patients with autonomic neuropathy present abnormalities of gallbladder emptying that could be related to specific gastrointestinal symptoms.
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