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PubMed1990

Distensibility of the ascending aorta: comparison of invasive and non-invasive techniques in healthy men and in men with coronary artery disease.

Distensibility of the ascending aorta, measured non-invasively, was compared with values obtained by invasive techniques in 46 males (30 patients with coronary artery disease and 16 age-matched normal subjects). Aortic diameters were measured at a level 3 cm above the aortic valve using both echocardiographic and angiographic techniques. Aortic distensibility was calculated from the aortic diameters and aortic pressure or brachial artery pressure using the formula: 2 x (change in aortic diameter)/(diastolic aortic diameter) x (change in aortic pressure). Distensibility of the ascending aorta determined non-invasively was closely related to that obtained by direct measurements (r = 0.949, P less than 0.001). Patients with coronary artery disease had similar pressures, but markedly lower distensibility than normal subjects, as shown by both invasive and non-invasive techniques. The results indicate that aortic distensibility in patients with coronary artery disease can be obtained non-invasively with a high degree of accuracy.

Adult↗
PubMed2005

Sex with women as a risk factor for herpes simplex virus type 2 among young men who have sex with men in Baltimore.

BACKGROUND: Herpes simplex virus type 2 is common among MSM and is a risk factor for transmission of HIV. The findings of studies investigating the relationship between infection with HSV-2 and number of sex partners among MSM are inconsistent and rarely distinguish between male and female partners. GOAL: To determine the prevalence and risk factors for infection with HSV-2, including the number and gender of sex partners, in a group of MSM in Baltimore, MD. STUDY: This was a cross-sectional study among young MSM in Baltimore. RESULTS: Of the blood samples from 824 participants, 19.3% had HSV-2 antibodies. After adjusting for known HSV-2 correlates, independent predictors of HSV-2 seropositivity included HIV seropositivity, black race, older age, number of lifetime female sex partners, recent unprotected receptive anal intercourse with a man. CONCLUSIONS: This study suggests that female sex partners may be an important source of HSV-2 infection among young bisexual MSM. After adjusting for known HSV-2 correlates, the number of lifetime female but not male sex partners was independently associated with HSV-2. These results highlight the need for HSV-2 prevention and treatment efforts targeting MSM who also have sex with women. Future investigations of HSV-2 and sexual behavior among MSM need to distinguish between male and female sex partners.

Adult↗