| The way the intra-aortic balloon catheter moves within the aorta as a possible mechanism of balloon associated morbidity. | |
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MedLine Citation:
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PMID: 17669889 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This study set off to investigate which mode of weaning of an intra-aortic balloon pump (IABP) produces more aortic trauma. With the use of a perfusion pump, an intact porcine aorta with an IABP in situ, was studied. Angioscopic images of the interior of the aorta were obtained. Whilst keeping steady blood pressure and flow, an 'aortic impact score' was calculated. Endoscopically there is a 'whipping' effect of the balloon shaft on the lateral aortic wall, which appears to be prominent in 1:3 mode. The aortic impact score at 0.5, 6 and 12 h during the experiments was: (1) When weaning by mode: a) 1:1 3.3+/-0.6, 4.0+/-1.0 and 4.3+/-0.6; b) 1:2 4.7+/-0.6, 6.7+/-0.6 and 7.0+/-0.0; c) 1:3 8.7+/-0.6, 11+/-1.0 and 11.7+/-0.6. (2) Weaning by augmentation: a) 75% 2.3+/-0.6, 2.7+/-0.6 and 3.0+/-0.0; b) 50% 1.3+/-0.6, 1.3+/-0.6 and 1.7+/-0.6. An increasing score was observed while weaning by mode (P<0.05). The 1:3 mode produces marked intimal disruption that worsens with time. |
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Authors:
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Haralambos Parissis; Michael Leotsinidis; Dimitrios Dougenis; David Richens |
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Publication Detail:
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Type: In Vitro; Journal Article Date: 2007-04-18 |
Journal Detail:
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Title: Interactive cardiovascular and thoracic surgery Volume: 6 ISSN: 1569-9285 ISO Abbreviation: Interact Cardiovasc Thorac Surg Publication Date: 2007 Aug |
Date Detail:
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Created Date: 2007-08-02 Completed Date: 2007-08-31 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101158399 Medline TA: Interact Cardiovasc Thorac Surg Country: England |
Other Details:
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Languages: eng Pagination: 425-9 Citation Subset: IM |
Affiliation:
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Cardiothoracic Department, St James Hospital, D8, Dublin, Ireland. hparissis@yahoo.co.uk |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Angioscopy Animals Aorta / injuries*, pathology Aortography Blood Pressure Intra-Aortic Balloon Pumping / adverse effects*, instrumentation, methods Sus scrofa |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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