Word: venous
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...report on one of the more vexing problems facing surgeons involved in the transplantation of the kidney in man--the question of the joining of arterial and venous blood vessels--was offered recently by Dr. George T. Smith of the Harvard Medical School at the 57th annual meeting of the American Urological Association...
...Smith's study was undertaken to determine whether certain pathological patterns observed microscopically in kidney transplants could be explained on the basis of abnormal blood flow. The individual joining together of all venous and arterial vessels in the course of a kidney transplant, he noted, placed a number of vessels is close proximity and increased the likelihood of stretching and kinking which, he said "may dispose to thrombosis...
...basic problem confronting the surgeon in kidney transplantation in man has been the irregular numbers of venous and arterial vessels seen in the kidneys of the donor and recipient. As an example, the donor kidney may have more than the normal number of venous or arterial vessels, and the surgeon must decide whether to join or ligate (tie off) the irregular vessels...
...caused death before age 20. Now, with the aid of heart-lung machines, it can be corrected. Writing in the A.M.A. Journal of a case at Manhattan's Roosevelt Hospital, Drs. Richard L. Golden and Charles A. Bertrand try to avoid the technical designation of "total anomalous pulmonary venous connection." They call the condition simply "snowman heart." Who coined the term is unclear, but it is especially apt. In the X ray, the enlarged, misshapen heart casts a distinctive white shadow shaped like a snowman...
...hole, half an inch across, cut in the side of the superior vena cava, and stitched it in, like a plumber's elbow joint. Then he tied off the vein near its normal entrance to the auricle. In this way, 30% to 40% of Kent's venous blood (the proportion carried by the superior vena cava) bypassed the right heart completely, went directly to the lungs for oxygenation, then into the left heart. In the common ventricle it was still mixed with venous blood from the inferior vena cava, but the proportion of well-oxygenated blood was more...