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[对先前植入主动脉腹部段的导电血管假体进行电解后犬后肢局部肌肉血流的测定]

[Determination of local muscular blood flow in the hindlimbs of dogs following electrolysis of conducting vascular prostheses previously implanted in the abdominal portion of the aorta].

作者信息

Vinnitskiĭ L I, Stepanov G A, Egorova I A, Karimov O K

出版信息

Biull Eksp Biol Med. 1978 Feb;85(2):148-9.

PMID:630084
Abstract

Peripheral blood flow in the posterior limbs in electrolysis of electroconductive vascular prosthesis preliminarily implanted into the abdominal aorta was experimentally determined on 25 mongrel dogs. Following reestablishment of the main blood flow a positive electrical potential (3--4 V) was fed on the prosthesis by means of a current conductor. Tissue blood flow was radiographically studied with xenon-133. Results of this investigation showed that during feeding the positive potential to the electroconductive prosthesis an increase of tissue blood flow occurred in the canine posterior limbs. After the cessation of the current feeding to the prosthesis the tissue blood flow occurred in the canine posterior limbs. After the cessation of the current feeding to the prosthesis the tissue blood flow decreased to the initial values. A conclusion was drawn that a positive potential from the source of direct current should be fed constantly to the electroconductive prosthesis or prolonged stable tissue blood flow increase.

摘要

在25只杂种犬身上通过实验测定了预先植入腹主动脉的导电血管假体电解时后肢的外周血流。在恢复主要血流后,借助电流导体在假体上施加正电势(3 - 4伏)。用氙 - 133对组织血流进行放射学研究。该研究结果表明,在向导电假体施加正电势期间,犬后肢的组织血流增加。在停止向假体供电后,犬后肢的组织血流减少至初始值。得出的结论是,应持续向导电假体施加来自直流电源的正电势,以实现组织血流的持续稳定增加。

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