Improvement in forward coronary blood flow by using a reversed saphenous vein with a competent valve

S. J. Phillips, J. E. Okies, Albert Starr

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Reversed segments of saphenous vein have been the grafts of choice for aortocoronary bypass (ACB). Internal mammary arteries and free radial autografts have recently been shown to have a higher patency rate, but flow is usually lower. Normally forward coronary blood flow ceases and retrograde flow occurs during cardiac systole. Prevention of retrograde flow with a rapidly acting valve proximal to the coronary artery anastomosis should improve forward coronary blood flow. Thirty nine reversed saphenous veins containing a competent valve were implanted in 32 patients undergoing ACB. After accurate zero flow was determined and a resting state achieved, mean (22 veins) and pulsatile (17 veins) flows were measured distal to the valve with the valve competent and temporarily incompetent. A competent valve in 10 right coronary artery vein grafts increased mean flow by 29.7% (+41 ml/min; p

Original languageEnglish (US)
Pages (from-to)12-15
Number of pages4
JournalAnnals of Thoracic Surgery
Volume21
Issue number1
StatePublished - 1976

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Saphenous Vein
Coronary Vessels
Coronary Artery Bypass
Veins
Transplants
Mammary Arteries
Systole
Autografts

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Surgery

Cite this

Improvement in forward coronary blood flow by using a reversed saphenous vein with a competent valve. / Phillips, S. J.; Okies, J. E.; Starr, Albert.

In: Annals of Thoracic Surgery, Vol. 21, No. 1, 1976, p. 12-15.

Research output: Contribution to journalArticle

Phillips, S. J. ; Okies, J. E. ; Starr, Albert. / Improvement in forward coronary blood flow by using a reversed saphenous vein with a competent valve. In: Annals of Thoracic Surgery. 1976 ; Vol. 21, No. 1. pp. 12-15.
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