PERCUTANEOUS FRAGMENTATION OF PULMONARY EMBOLI IN DOGS WITH THE IMPELLER-BASKET CATHETER

被引：34

作者：

SCHMITZRODE, T

VORWERK, D

GUNTHER, RW

BIESTERFELD, S

机构：

[1] Department of Diagnostic Radiology, University of Technology Aachen, Aachen, D-52057

[2] Institute of Pathology, University of Technology Aachen, Aachen, D-52057

来源：

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY | 1993年 / 16卷 / 04期

关键词：

CATHETERS AND CATHETERIZATION; EMBOLECTOMY; EMBOLISM; PULMONARY; INTERVENTIONAL PROCEDURES; EXPERIMENTAL;

D O I：

10.1007/BF02602968

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

A new catheter system for rapid percutaneous fragmentation of pulmonary emboli was tested in nine dogs. The system consisted of a highspeed rotating impeller, placed within the center of a self-expandable basket. Preformed radiopaque emboli were introduced via the right external jugular vein. In nine tests in five dogs, a single embolus was launched after the right pulmonary artery had been balloon occluded and the impeller-basket catheter had been positioned into the left pulmonary artery. Seven of nine emboli were completely fragmented. each within less than 10 s. In two tests, performed in two different dogs, the catheter was positioned after complete embolization of the left pulmonary artery. In both cases, the central pulmonary arteries could be fully, and the segmental arteries partly, recanalized. Mobility of the system within the pulmonary arteries was limited. There was no evidence of wall damage at the rotation site of the impeller. Free serum hemoglobin did not increase after treatment. We conclude that the device can be safely operated in the left pulmonary artery system of dogs. It causes no significant hemolysis, and is able to accomplish rapid recanalization of the central arteries. Due to limited steerability. occluded side branches cannot be treated consistently.

引用

页码：239 / 242

页数：4

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