Christopher Zarins, left, chief of vascular surgery, reviews X-rays with surgeon Bernardo Martinez, a research and endovascular associate.

A MINIMALLY INVASIVE procedure for repairing abdominal aortic aneurysms by threading a stent graft to the damaged site gets people back on their feet sooner - and with fewer complications - than traditional open surgery, according to a multicenter study involving 250 patients. Christopher Zarins, chief of vascular surgery, presented study results June 8 in San Diego at the 46th scientific meeting of the North American Chapter of the International Society for Cardiovascular Surgery.

AIDS - Doctors can rely on an antiviral resistance test to predict which HIV patients are likely to benefit from aggressive follow-up treatment after combination drug therapy has failed, reported Andrew Zolopa, director of the Positive Care Clinic at Stanford, to the 12th World AIDS Conference in Geneva, Switzerland on June 30. The AIDS expert said he now believes physicians should routinely perform the genotyping test in HIV patients with a long history of antiviral treatment, in order to guide decisions on what subsequent therapies to use.

AIDS AGAIN - The first study to show that patients previously treated with multiple HIV drugs can develop full resistance to all available treatment combinations was reported in the June 1 issue of Annals of Internal Medicine by Robert Shafer, clinical assistant professor of medicine. The author says that new approaches are needed and must be sought through research to help those patients who haven't benefited from powerful new drug combinations but instead have HIV strains resistant to one or more drugs.

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Chief Medical Officer, UCSF Stanford Health Care

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