Vasomotor responses to the Valsalva manoeuvre in normal subjects and in patients with diabetes mellitus. 1979

T Bennett, and D J Hosking, and J R Hampton

Cardiovascular responses to the Valsalva manoeuvre were examined in 19 non-diabetic subjects and 32 diabetic patients, some with signs of autonomic dysfunction. All the non-diabetic subjects showed an overshoot in systemic arterial pressure and a bradycardia after the manoeuvre, and in 11 of them only forearm vasoconstriction occurred. However, in eight non-diabetic subjects a forearm vasodilatation was observed at some stage after the Valsalva manoeuvre. Similar patterns of vasomotor responses were seen in some of the diabetic patients. However, those diabetics with postural hypotension showed a systemic arterial hypotension after the Valsalva manoeuvre with no significant change in forearm vascular resistance. Such a response is abnormal but forearm vasodilatation alone may not be.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D003920 Diabetes Mellitus A heterogeneous group of disorders characterized by HYPERGLYCEMIA and GLUCOSE INTOLERANCE.
D005260 Female Females
D006439 Hemodynamics The movement and the forces involved in the movement of the blood through the CARDIOVASCULAR SYSTEM. Hemodynamic
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D014636 Valsalva Maneuver Forced expiratory effort against a closed GLOTTIS. Valsalva's Maneuver,Maneuver, Valsalva,Maneuver, Valsalva's,Maneuvers, Valsalva,Valsalva Maneuvers
D014666 Vasomotor System The neural systems which act on VASCULAR SMOOTH MUSCLE to control blood vessel diameter. The major neural control is through the sympathetic nervous system. System, Vasomotor,Systems, Vasomotor,Vasomotor Systems

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