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(MedPage Today) -- A large waistline was associated with an increased risk of neurocognitive impairment in people with HIV, researchers reported.

(MedPage Today) -- Appropriate use criteria for percutaneous coronary intervention should not be used to make policy decisions because of their inherent systematic and methodological problems, cardiologists suggested.

SAN FRANCISCO (MedPage Today) -- A common clinical method for gauging the risk that the Staphylococcus aureus causing a child's osteomyelitis will be methicillin-resistant is unreliable, a researcher said here.

(MedPage Today) -- In a snapshot study of children and adolescents with HIV, about a third met criteria for at least one psychiatric disorder, researchers reported.

(MedPage Today) -- Occluding the proximal carotid artery with a balloon may confer better protection against cerebral embolization than a filter device during carotid stenting, a randomized trial found.

(MedPage Today) -- High-dose vitamin D doesn't reduce chronic obstructive pulmonary disease (COPD) exacerbations, although correcting severe deficiency may help, researchers found.

(MedPage Today) -- HIV-1 viral load in the blood is one of the most important factors influencing transmission to the partner in serodiscordant African couples, according to the results of a recent study.

(MedPage Today) -- At hospitals enrolled in the "Get With the Guidelines" program, quality of care for Asian Americans with an acute MI improved significantly over a five-year period.

(MedPage Today) -- Chlamydia trachomatis testing and urine culture can be done with a single sample, rather than the separate samples now commonly used, researchers reported.

(MedPage Today) -- Most girls who receive the human papillomavirus (HPV) vaccine don't take it as a license for riskier sexual behavior, researchers reported.