No effect of Pindolol on postural hypotension in type 1 (insulin-dependent) diabetic patients with autonomic neuropathy. A randomised double-blind controlled study.
Orthostatic hypotension is one of the most troublesome symptoms in diabetic autonomic neuropathy. Some reports have suggested Pindolol - a beta-adrenoceptor antagonist with intrinsic sympathomimetic activity - to be effective in the treatment of this condition. In order to elucidate the value of this therapy we performed a double-blind placebo controlled cross-over study with Pindolol (15 mg/day). Eight Type 1 (insulin-dependent) diabetic patients with autonomic neuropathy and signs and symptoms of orthostatic hypotension (systolic blood pressure decrease greater than 30 mm Hg when standing) participated in the study. Patients were treated for 10 weeks. Clinical examinations were performed every fortnight and patients registered postural symptoms twice daily on a visual analog scale. No significant changes were seen in blood pressure recordings, heart-rate or visual analog scale registration during treatment with Pindolol compared to placebo. Our study does not support the suggestion that Pindolol is a valuable drug for treatment of diabetic patients with autonomic neuropathy and postural giddiness.[1]References
- No effect of Pindolol on postural hypotension in type 1 (insulin-dependent) diabetic patients with autonomic neuropathy. A randomised double-blind controlled study. Dejgård, A., Hilsted, J. Diabetologia (1988) [Pubmed]
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