| Intraoperative sac pressure measurement during endovascular abdominal aortic aneurysm repair. | |
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MedLine Citation:
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PMID: 20703478 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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PURPOSE: Intraoperative sac pressure was measured during endovascular abdominal aortic aneurysm repair (EVAR) to evaluate the clinical significance of sac pressure measurement. METHODS: A microcatheter was placed in an aneurysm sac from the contralateral femoral artery, and sac pressure was measured during EVAR procedures in 47 patients. Aortic blood pressure was measured as a control by a catheter from the left brachial artery. RESULTS: The systolic sac pressure index (SPI) was 0.87 +/- 0.10 after main-body deployment, 0.63 +/- 0.12 after leg deployment (P < 0.01), and 0.56 +/- 0.12 after completion of the procedure (P < 0.01). Pulse pressure was 55 +/- 21 mmHg, 23 +/- 15 mmHg (P < 0.01), and 16 +/- 12 mmHg (P < 0.01), respectively. SPI showed no significant differences between the Zenith and Excluder stent grafts (0.56 +/- 0.13 vs. 0.54 +/- 0.10, NS). Type I endoleak was found in seven patients (15%), and the SPI decreased from 0.62 +/- 0.10 to 0.55 +/- 0.10 (P = 0.10) after fixing procedures. Type II endoleak was found in 12 patients (26%) by completion angiography. The SPI showed no difference between type II endoleak positive and negative (0.58 +/- 0.12 vs. 0.55 +/- 0.12, NS). There were no significant differences between the final SPI of abdominal aortic aneurysms in which the diameter decreased in the follow-up and that of abdominal aortic aneurysms in which the diameter did not change (0.53 +/- 0.12 vs. 0.57 +/- 0.12, NS). CONCLUSIONS: Sac pressure measurement was useful for instant hemodynamic evaluation of the EVAR procedure, especially in type I endoleaks. However, on the basis of this small study, the SPI cannot be used to reliably predict sac growth or regression. |
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Authors:
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Hiroyuki Ishibashi; Tsuneo Ishiguchi; Takashi Ohta; Ikuo Sugimoto; Hirohide Iwata; Tetsuya Yamada; Masao Tadakoshi; Noriyuki Hida; Yuki Orimoto; Seiji Kamei |
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Publication Detail:
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Type: Journal Article Date: 2010-08-12 |
Journal Detail:
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Title: Cardiovascular and interventional radiology Volume: 33 ISSN: 1432-086X ISO Abbreviation: Cardiovasc Intervent Radiol Publication Date: 2010 Oct |
Date Detail:
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Created Date: 2010-09-07 Completed Date: 2011-01-10 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8003538 Medline TA: Cardiovasc Intervent Radiol Country: United States |
Other Details:
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Languages: eng Pagination: 939-42 Citation Subset: IM |
Affiliation:
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Department of Vascular Surgery, Aichi Medical University Hospital, Nagakute, Aichi, Japan. ishibash@aichi-med-u.ac.jp |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Angiography / methods Angioplasty / instrumentation, methods* Aortic Aneurysm, Abdominal / radiography, surgery* Blood Pressure Determination Blood Vessel Prosthesis Blood Vessel Prosthesis Implantation / adverse effects, methods* Cohort Studies Endoleak / epidemiology, radiography* Female Follow-Up Studies Humans Incidence Intraoperative Care / methods Male Middle Aged Postoperative Complications / epidemiology, physiopathology Preoperative Care / methods Prospective Studies Prosthesis Design Risk Assessment Time Factors Transducers, Pressure Treatment Outcome |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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