| Incidence of abnormal cerebral findings in the MRI of clinically healthy divers: role of a patent foramen ovale. | |
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MedLine Citation:
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PMID: 15485089 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: To investigate incidence and number of abnormal cerebral hyperintensities (ACFs) in Magnet Resonance Imaging (MRI) and its relation to a patent foramen ovale (PFO) in divers with no history of decompression illness. METHODS: Cohort study on 50 divers (21-5500 dives). MAIN OUTCOME MEASURES: Incidence and number of ACFs visualized by cranial MRI and presence and size of a PFO as documented by echocardiography and transcranial Doppler ultrasound (TCD) with echocontrast. RESULTS: A total of 137 ACFs was found in the 50 subjects, with a significant correlation between the number of dives and number of ACFs (r = 0.28; p < 0.05); but after correction for age, the remaining correlation (r = 0.15) did not reach significance. In 18 divers, a PFO was present by either the application of echocardiography or TCD; in 12 divers, the PFO was of high hemodynamic relevance. Ten of 18 divers with a PFO had at least one ACF, while in the remaining 32 divers, only 14 had at least one ACF (56% versus 44%, p = NS). Seven of 14 divers (50%) with 4 ACFs had a PFO, compared to 11 of 36 (31%) with less than 4 ACFs (p = NS). CONCLUSION: In this cohort of healthy divers, in contrast to an earlier report, no significant association was found between PFO presence and incidence or number of ACFs. |
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Authors:
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A E Koch; J Kampen; K Tetzlaff; M Reuter; P McCormack; P W Schnoor; N Struck; L Heine; I Prytulla; H Rieckert |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Undersea & hyperbaric medicine : journal of the Undersea and Hyperbaric Medical Society, Inc Volume: 31 ISSN: 1066-2936 ISO Abbreviation: Undersea Hyperb Med Publication Date: 2004 |
Date Detail:
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Created Date: 2004-10-15 Completed Date: 2004-11-15 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 9312954 Medline TA: Undersea Hyperb Med Country: United States |
Other Details:
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Languages: eng Pagination: 261-8 Citation Subset: IM; S |
Affiliation:
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German Naval Medical Institute, Kiel-Kronshagen, Germany. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Brain Infarction / diagnosis, pathology* Cohort Studies Diving* Female Heart Septal Defects, Atrial / complications*, physiopathology Humans Incidence Magnetic Resonance Imaging* Male |
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