| Retinal vascular findings and penile cavernosal artery blood flow. | |
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MedLine Citation:
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PMID: 14632859 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To assess the correlation between retinal vascular findings and penile cavernosal arterial blood flow, as it is probable that systemic atherosclerotic vascular disease is important in male erectile dysfunction (ED), and being systemic, it might be possible to evaluate the extent of atherosclerosis from retinal vascular findings. PATIENTS AND METHODS: The study included 75 patients with ED; any with a history of pelvic injury, pelvic surgery, or diabetes mellitus were excluded. All patients gave fully informed consent. Ocular fundus photographs were taken with an automatic-focus fundus camera under amydriatic conditions. Three ophthalmologists, unaware of the patients' detailed data, evaluated the photographs using Hyman's classification to evaluate retinal vascular findings. Blood flow in the penile cavernosal artery was measured with colour Doppler ultrasonography, and the peak systolic velocity used as a haemodynamic variable. Correlations among the peak systolic velocity, retinal vascular findings and vascular risk factors (including hypertension, age, cigarette smoking, and hyperlipidaemia) were investigated using multivariate analysis. RESULTS: Of the 75 patients, 72 (96%) had both right and left retinal vascular images of sufficient quality for evaluation; 37 were classified as normal and 35 as Grade I, while no patient was Grade II. From a logistic regression multivariate analysis, the peak systolic velocity was the only significant factor correlating with retinal vascular findings, with an odds ratio of 3.34. In contrast, hypertension, age, cigarette smoking and hyperlipidaemia did not correlate significantly with the retinal vascular findings. Similarly, the retinal vascular finding was the only significant factor correlating with the peak systolic velocity of cavernosal blood flow (odds ratio 3.28) and again hypertension, age, cigarette smoking and hyperlipidaemia were not significant factors. CONCLUSIONS: These findings support the assumption that penile erectile function is one of the diseases of atherosclerosis, and emerges nearly simultaneously with retinal vascular disease. It is possible to predict penile arterial conditions in patients with ED from their retinal vascular findings. Thus, amydriatic fundoscopy, a simple practical examination, may be helpful for primary physicians in diagnosing and treating ED. |
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Authors:
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Y Kawanishi; K Kimura; R Nakanishi; A Numata; H Taguchi |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: BJU international Volume: 92 ISSN: 1464-4096 ISO Abbreviation: BJU Int. Publication Date: 2003 Dec |
Date Detail:
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Created Date: 2003-11-24 Completed Date: 2004-01-29 Revised Date: 2006-07-18 |
Medline Journal Info:
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Nlm Unique ID: 100886721 Medline TA: BJU Int Country: England |
Other Details:
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Languages: eng Pagination: 977-80 Citation Subset: IM |
Affiliation:
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Department of Urology, Takamatsu Red Cross Hospital, Kagawa, Japan. kawani@mail2.netwave.org.jp |
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Aged, 80 and over Arteriosclerosis / complications*, physiopathology Blood Flow Velocity / physiology Fluorescein Angiography Humans Impotence, Vasculogenic / etiology*, physiopathology Male Middle Aged Penis / blood supply* Retinal Diseases / complications*, physiopathology Retinal Vessels / physiology* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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