PubMed Health⌕ Search

Biomedical subjects

H Engedal

Publications and source records attributed to H Engedal.

40 records · Page 3Linked to original sources
PubMed1976

Traumatic arteriovenous fistulas. A follow-up study.

Over the period 1958 to 1972 14 patients with traumatic arteriovenous fistulas were treated. The mean period from trauma to surgical closure of the fistula was 13.3 years. No form of reconstructive vascular surgery had been performed initially. The dominating symptom of arteriovenous fistula was a pulsating tumor with a marked thrill. Excision of the fistula and reconstruction of the artery and vein was performed in 11 patients. In 3 patients the fistula was first ligated resulting in early recurrence of the shunt. At follow-up 3-15 years postoperatively all fistulas were closed, but 5 patients had moderate symptoms.

Adolescent↗
PubMedDate not supplied

A quantitative study of endothelial cell injury in aorto-coronary vein grafts.

Criteria indicating injury of endothelial cells (craters, protrusion, denudation) in saphenous veins for aorto-coronary bypass grafting have been examined and quantitated by use of light-(LM), scanning electron (SEM) and transmission electron microscopy (TEM). The specimens were fixed either by immersion or under pressure. It was shown that the conventional way of handling saphenous vein grafts prior to implantation results in serious damage of the endothelial lining. The factors responsible are presumed to be hypoxia, manual flushing and distension with isotonic saline for blood removal, control of leakage, and counteracting spasm of the graft. Even samples collected by a "no touch" technique and exposed to a short hypoxic interval sometimes revealed slight injury.

Aged↗
PubMedDate not supplied

Inflammatory reaction as an occlusive mechanism in aortocoronary bypass grafts?

Morphological changes in aortocoronary vein grafts are described in two cases; one dying 5 hours post operatively and the other reoperated 8 months after aortocoronary bypass surgery for graft occlusion. Occlusive thrombi and fibrin deposition on the intimal surface and a focal inflammatory process in the wall of the vein grafts were found in the former. Thrombotic encrustation and organization similar to the manifestations of the thrombogenic theory of atherosclerosis were demonstrated in the latter.

Adult↗