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Endovascular repair of descending thoracic aortic aneurysms: an early experience with intermediate-term follow-up
- Greenberg, R (författare)
- Resch, T (författare)
- Nyman, U (författare)
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- Brunkwall, J (författare)
- Malina, M (författare)
- Koul, B (författare)
- Ivancev, K (författare)
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- (creator_code:org_t)
- 2000
- 2000
- Engelska.
- Ingår i: Journal of Vascular Surgery. - 1097-6809. ; 31:1 Pt 1, s. 147-156
- Tidskriftsartikel (refereegranskat)
Abstract
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- PURPOSE: The purpose of this study was to report an initial experience with the endovascular repair of descending thoracic aortic aneurysm. Complications and intermediate-term morphologic changes were identified with the intent of altering patient selection and device design. METHODS: Endografts were placed into 25 patients at high-risk for conventional surgical repair over a 3(1/2)-year period. Devices were customized on the basis of preoperative imaging information. Follow-up computed tomography scans were obtained at 1, 3, 6, and 12 months and yearly thereafter. Additional interventions occurred in the setting of endoleaks, migration, and aneurysm growth. RESULTS: The overall 30-day mortality rate was 20% (12.5% for elective cases; 33% for emergent cases). There were 3 conversions to open repair. Neurologic deficits developed in 3 patients; 1 insult resulted in permanent paraplegia. Neurologic deficits were associated with longer endografts (P =.019). Three endoleaks required treatment, and 1 fatal rupture of the thoracic aneurysm treated occurred 6 months after the initial repair. Migrations were detected in 4 patients. The maximal aneurysm size decreased yearly by 9.15% (P =.01) or by 13.5% (P =.0005) if patients with endoleaks (n = 3 patients) were excluded. Both the proximal and distal neck dilated slightly over the course of follow-up (P =.019 and P =.001, respectively). The length of the proximal neck was a significant predictor of the risk for endoleakage (P =.02). CONCLUSION: The treatment of descending thoracic aortic aneurysms with an endovascular approach is feasible and may, in some patients, offer the best means of therapy. Early complications were primarily related to device design and patient selection. All aneurysms without endoleaks decreased in size after treatment. Late complications were associated with changing aneurysm morphologic features and device migration. The morphologic changes remain somewhat unpredictable; however, alterations in device design may result in improved fixation and more durable aneurysm exclusion.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kardiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
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- Journal of Vascular Surgery (Sök värdpublikationen i LIBRIS)
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- Greenberg, R
- Resch, T
- Nyman, U
- Lindh, Mats
- Brunkwall, J
- Brunkwall, Per
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- Malina, M
- Koul, B
- Lindblad, Bengt
- Ivancev, K
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