Why the study?
Does segmental renal vein renin sampling and nephrectomy reduce blood pressure in a patient with hypertension and a segmental renal infarct?
Does segmental renal vein renin sampling and nephrectomy reduce blood pressure in a patient with hypertension and a segmental renal infarct?
Segmental renal vein renin sampling can successfully identify a localized high renin source to guide surgical treatment of hypertension in patients with segmental renal infarcts.
Answers are grounded in this paper and cite their sources.
Supports segmental renal vein renin sampling to guide nephrectomy in hypertension with focal infarct; hypothesis-generating and should not yet change practice.
Segmental renal vein renin sampling identified a localized high renin source in a patient with a 9-year history of hypertension associated with a segmental renal infarct. The peripheral level of renin was within normal limits, and the initial renal vein renin study was of borderline significance. The patient's blood pressure is substantially reduced 1½ years after nephrectomy, with continued use of less vigorous drug therapy.
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Stockigt et al. (1973) studied this question.
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