Acute post-traumatic coarctation of the abdominal aorta.

An unusual case of coarctation of the abdominal aorta following trauma in reported. The resultant supratenal aortic constriction was associated with severe hypertension and elevated plasma renin concentration. Gradual aortic dilation at the suture site was accompanied by remission of hypertension and return of plasma renin concentration to normal. Correlation of laboratory and hemodynamic changes resulting from this unusual case of abdominal coarctation is discussed.