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. 1976 Mar;183(3):307–313. doi: 10.1097/00000658-197603000-00017

Effects of implanted Doppler flowmeters on femoral vein autografts.

D D Michie, D F Cowan, C P Cain, C C Bell Jr
PMCID: PMC1344243  PMID: 130843

Abstract

Thirteen femoral vein autografts were placed into the corresponding ipsilateral femoral arteries of 8 mongrel dogs. Cuff-type Doppler (ultrasonic) flowmeters were placed around six of the grafts. None of the vessels thrombosed. Blood flow velocities were measured in all vessels up until the time of sacrifice (mean 95 +/- 5 days after surgery) or accidental death (one dog, 49 days after surgery). The only case of graft failure was attributed to infection at the flowmeter site. With this single exception, the vein grafts exhibited uniformity in histological appearance from dog to dog. These data suggest that implantation of properly designed Doppler flow transducers may have clinical applications. This technique permits continuous or intermittent assessment of blood flow characteristics through a graft without additional trauma or cost to the patient. It is free of the many inherent disadvantages of chronically implanted electromagnetic flowmeters and may negate the need in some instances for followup angiographic studies.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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