Endovaskuläre Therapie aortaler Aneurysmen: erste klinische Ergebnisse

Düber, Christoph; Schmiedt, W.; Pitton, Michael Bernhard; Neufang, A.; Eberle, B.M.; Wollmann, J. C.; Oelert, H.; Thelen, M.

doi:10.1055/s-2007-1015608

Cited by 13 publications

(5 citation statements)

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“…Aortic stent-grafts are increasingly used for endovascular treatment of AAA and the mid-term results of several studies are promising [1][2][3]. However, this method is limited to a selected group of patients [4].…”

Section: Discussionmentioning

confidence: 99%

Spiral CT During Selective Accessory Renal Artery Angiography: Assessment of Vascular Territory Before Aortic Stent-Grafting

Dorffner

Thurnher

Prokesch

et al. 1998

Cardiovasc Intervent Radiol

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We evaluated the vascular territory of accessory renal arteries in cases where the vessel might be overlapped by an aortic stent-graft. Spiral CT during selective accessory renal artery angiography was performed in four patients with abdominal aortic aneurysms (including one with a horseshoe kidney). The volume of the vascular territory of each renal artery was measured using a software program provided by the CT unit manufacturer. The supernumerary renal arteries perfused 32%, 37%, 15%, and 16% of the total renal mass, respectively. In two patients, stent-grafts were implanted, which resulted in occlusion of the supernumerary renal artery. The volume of the renal infarction was equal to the volume perfused by the artery as calculated before implantation of the stent-graft. The method proposed is accurate for estimating the size of the expected renal infarction. It might help to determine whether placement of a stent-graft is acceptable.

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Section: Discussionmentioning

confidence: 99%

Spiral CT During Selective Accessory Renal Artery Angiography: Assessment of Vascular Territory Before Aortic Stent-Grafting

Dorffner

Thurnher

Prokesch

et al. 1998

Cardiovasc Intervent Radiol

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“…In laboratory investigations, elevated BSR, leukocytosis, and elevated C-reactive protein have been noted. [40][41][42] This reaction responded well to antipyretics or nonsteroidal anti-inflammatory drugs. 23,39,40 CT studies showed a periprosthetic thickening after implantation of the Cragg Endopro system 43 and MRI revealed extensive edema surrounding the stent grafts.…”

Section: Complicationsmentioning

confidence: 97%

“…Following implantation of the Cragg Endopro system, local pain at the deployment site and fever are reported in 40% to 60% of patients. 28,34,[39][40][41] The fever reached a maximum of 40°Celsius and lasted up to 4 weeks. 23,39,42 Blood cultures have been nega-tive in all cases.…”

Section: Complicationsmentioning

confidence: 99%

Treatment of Iliac, Femoral, and Popliteal Lesions Using Endovascular Stent Grafts

Link¹,

Heller²

1998

Semin intervent Radiol

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This article details the use of stent grafts for the treatment of iliac and femoropopliteal occlusive disease. The authors describe their experience with different stent graft systems for the treatment of long segmented femoropopliteal artery occlusions and discuss the results. Literature reports using stent grafts in iliac artery lesions are discussed. A comparison of the available literature data with noncovered stents and stent grafts in iliac and femoropopliteal lesions is given.

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“…Medium-term results have been encouraging in cases fit for this treatment, [2][3][4][5][6][7][8][9][10][11][12][13][14] and complication rates have been moderate by comparison with standard surgery. 7,[15][16][17][18][19][20][21][22][23][24][25][26] Effective endovascular treatment results in a significant pressure reduction 27 and a shrinkage of the excluded aneurysm.…”

mentioning

confidence: 99%

Endovascular Aneurysm Repair

et al. 2002

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Background-The purpose of the present study was to systematically analyze the histopathologic organization processes in excluded aneurysms after endovascular stenting and to develop a noninvasive monitoring method for these processes using MRI. Methods and Results-In 36 mongrel dogs, autologous aortic aneurysms were created. Endovascular treatment was performed using covered stents. Follow-up was after 1 week, 6 weeks, and 6 months. MRI was performed with T 2 -weighted turbo-spin-echo sequences and T 1 -weighted spin-echo sequences and was repeated after contrast bolus with gadolinium. Histopathologic findings were correlated to signal intensities (SIs) of MRI images. SIs of distinct areas were analyzed and related to the SI of the reference tissue (SI ratio). The histological organization process was gradated in the following 4 classes: class 0, detritus without organization; classes I and II, connective tissue proliferation with increasing fiber synthesis; and class III, dense fibrous connective tissue. The SI ratios of T 2 -weighted images were significantly reduced from 4.76 in detritus (0) to 1.70 in dense fibrous connective tissue (III) as a function of histopathologic classes. SI ratios of T 1 -weighted images were reduced from 1.84 (0) to 1.12 (III). Contrast bolus with gadolinium-DTPA showed no change of SI ratio in detritus (0.99) but an increase from 1.12 (I) to 1.70 (III) as organization increased. Conclusions-The histological organization of excluded aneurysms can be monitored by MRI. Progressive organization is indicated by decreasing SIs in T 2 -and an increasing signal increase in T 1 -weighted images after gadolinium bolus.

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Endovaskuläre Therapie aortaler Aneurysmen: erste klinische Ergebnisse

Abstract: Endovascular implantation of vascular prostheses is a promising new method for interdisciplinary treatment of aneurysms of the aorta.

Cited by 13 publications

References 0 publications

Spiral CT During Selective Accessory Renal Artery Angiography: Assessment of Vascular Territory Before Aortic Stent-Grafting

Spiral CT During Selective Accessory Renal Artery Angiography: Assessment of Vascular Territory Before Aortic Stent-Grafting

Treatment of Iliac, Femoral, and Popliteal Lesions Using Endovascular Stent Grafts

Endovascular Aneurysm Repair

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