PubMed · 876014
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S Gulmen, W R Anderson. 1977. Candida endocarditis with distal aortic embolization.. https://pubmed.ncbi.nlm.nih.gov/876014/
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Nonrheumatic atrial fibrillation (AF) frequently coexists with other risk factors for cerebral ischemia. This study was originally designed to determine which combinations of clinical and echocardiographic abnormalities were most closely associated with the risk of cerebral ischemic events. Patients with cerebral ischemic events (n = 214) and community-based control subjects (n = 201) underwent transesophageal echocardiography and carotid artery imaging. Adjusted odds ratios (ORs) were determined using multiple logistic regression analysis. Independent risk factors for cerebral ischemia included diabetes, carotid stenosis, aortic sclerosis, left ventricular dysfunction, left ventricular hypertrophy, left atrial (LA) spontaneous contrast, and proximal aortic atheroma. Nonrheumatic AF in combination with LA spontaneous contrast and LA enlargement showed a strong association with cerebral ischemic events (OR 33.7 [95% confidence interval 4.53 to 251]). In subjects with sinus rhythm or nonrheumatic AF, LA enlargement was not associated with an increased risk of cerebral ischemic events in the absence of LA spontaneous contrast. However, only 2 patients and 1 control subject had nonrheumatic AF without LA spontaneous contrast or LA enlargement. Therefore, study of a larger number of subjects is required to address the issue of whether nonrheumatic AF itself carries increased risk. The combination of nonrheumatic AF with LA spontaneous contrast is a potent risk factor for cerebral ischemia. Ascertaining the risk factor in nonrheumatic AF requires adequate examination for underlying cardiac, aortic, and carotid vascular disease. Transesophageal echocardiography may contribute to this assessment.
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BACKGROUND: Duplex imaging has been shown to be as accurate as arteriography in detecting hemodynamically significant aorto-iliac stenosis or occlusions. METHODS: Review of the duplex scan and arteriogram reports for all primary aorto-iliac reconstructions performed during an 18-month period was undertaken. Deviations from the preoperatively planned procedure were determined. The role of the duplex scan on procedure selection was assessed. RESULTS: Of the 54 patients identified, 13 had both duplex scan and arteriography (group I), 30 had only arteriography (group II), and 11 had only duplex scans (group III). Ten group I, 15 group II, and 9 group III patients had an occluded aorta or iliac artery. Two patients (3 anastomosis) required placement of the distal anastomosis on the common femoral rather than the external iliac artery as planned preoperatively. Both had been arteriogrammed. No group III patient required deviation from the preoperative plan. CONCLUSION: Aorto-iliac reconstruction can be performed without arteriography when a totally occluded aorta or iliac artery is identified by duplex scanning.