The relative effects of a health-based versus an appearance-based intervention designed to increase sunscreen use.
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Biomedical subjects
Publications and source records attributed to B Fitzpatrick.
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Shared and part-time medical practices are popular with both the medical group and the clinicians who fill these positions at Group Health Cooperative. The medical group benefits from the flexibility provided by part-time practitioners. Part-time clinicians have the opportunity to devote time to their families or second careers. There are, however, additional costs and administrative problems associated with shared and part-time practices.
In 1,348 anastomoses carried out prior to 1976 at St. Laurence's Hospital, Dublin, 36 anastomotic aneurysms developed for an incidence of 2.7%. Six further anastomotic aneurysms occurred following repair of anastomotic false aneurysms. Suture material failure, infection or lymphatic leakage were not associated with aneurysm formation. Twenty three aneurysms occurred in eight hundred and sixty Dacron to artery anastomoses while 6 occurred in 420 vein to artery anastomoses. Anastomotic false aneurysms were found only with the Dacron to artery anastomoses. Only 9 of 590 anastomoses performed for abdominal aortic aneurysm developed false aneurysms while 14 occurred in 270 for occlusive atherosclerosis. We have concluded that compliance mismatch producing anastomotic shear stress damages the arterial wall. This structural impairment permits tearing out of sutures from the vessel wall. The process is facilitated by prior loss of structural integrity of the vessel wall.