Autonomic neuropathy often rarely occur alone, often accompanied by somatic neuropathy. On the contrary, there are somatic neuropathy in diabetic patients, by function tests, found the incidence of autonomic dysfunction to some extent can be up to 40%. But once autonomic dysfunction clinical symptoms, the prognosis may be relatively poor.
1. cardiovascular system
(1) orthostatic hypotension: when a patient from supine immediate effect, if compared with the supine systolic stations decreased more than 30mmHg or more, known as orthostatic hypotension.
(2) resting tachycardia: resting heart rate of 90 to 100 beats / min, and some up to 130 beats / min.
(3) painless myocardial infarction: cardiac autonomic dysfunction is the most serious manifestation.
(4) The sudden death: with severe autonomic neuropathy in diabetic patients, breathing, cardiac arrest incidents.
2. Gastrointestinal System: Diabetic Gastroparesis can be manifested as nausea, abdominal distention after eating abdominal pain, early satiety, and vomiting. Most people with diabetes have constipation, but a few patients developed diarrhea, or diarrhea, alternating constipation.
3. urogenital system and diabetic bladder lesions: bladder dysfunction found in 37-50% of patients with diabetes. Associated with autonomic neuropathy bladder symptoms include urination, urine flow decreased ,, much residual urine, urine endless, urinary retention, and sometimes urinary incontinence, urinary tract infection easily. The performance of the male reproductive system, loss of libido, impotence. The reported incidence rate of 30-75%. Impotence may be diabetic autonomic neuropathy earliest symptoms.
4. sweating exception: innervation of sweat glands dysfunction is a common symptom of diabetic autonomic neuropathy. Mainly for the extremities sweat less, but often accompanied by sweating torso.
