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Query: UMLS:C0020538 (hypertension)
 170,190 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The long-term effect of percutaneous transluminal renal angioplasty (PTRA) on blood pressure and renal function was assessed in 100 consecutive patients with atherosclerotic renovascular hypertension. Technical success rates (complete plus partial) of a first PTRA averaged 76.2%, 74.1%, and 67.7% for the unilateral (n = 42), bilateral (n = 27), and solitary (n = 31) groups, respectively. Of the technical successes, 59% (43/73) experienced sustained blood pressure benefit (mostly amelioration) during a mean follow-up period of 29 months. Rates of blood pressure benefit were similar in the three groups. Ostial lesions comprised the majority of blood pressure benefit failures. Repeat angioplasty in 14 patients resulted in a 71% technical success rate and a 50% blood pressure benefit rate during a mean follow-up period of 22 months. Long-term stability of mean serum creatinine level was observed after technically successful angioplasty in all three groups. Acute renal insufficiency, which was reversible in all but one patient, complicated 26% of the procedures. Mechanical complications occurred in 14% (20/145) of the arteries acted on; surgical intervention was required in five patients. The mortality rate was 2%. These results suggest that angioplasty is effective in both the long-term management of renovascular hypertension and the preservation of renal function in a large fraction of patients with atherosclerotic renovascular hypertension.
Hypertension 1989 Feb
PMID:Percutaneous transluminal renal angioplasty in management of atherosclerotic renovascular hypertension: results in 100 patients. 252 13

Acute renal insufficiency associated to cocaine consumption is well known, and normally secondary to rhabdomyolisis. The possibility that renal failure is related to hypertension and to renal histopathological findings indistinguishable of other malignant hypertension conditions is a not as well known fact. Certain derivatives of cocaine are powerful vasospasm inducers, which could be the key of the origin of the ischemic lesions that appears not only in the kidney but in other organs, especially in the nervous system. We present four patients with acute renal insufficiency, two of them because of malignant hypertension, another one because of cocaine consumption with very severe ischemic neurological lesions, but reversible with the withdrawal of the drug, and another one because of rhabdomyolisis. The latest patient had a different evolution probably related to the different habit of consumption and perhaps as a consequence of different derivatives of cocaine.
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PMID:[Acute renal insufficiency associated to cocaine consumption]. 1510 30