Key result
Surgical reversal of chronic two-kidney, one-clip hypertension in rats normalized blood pressure within 24 hours via a fall in total peripheral resistance, despite structural vascular changes.
Why the study?
Does surgical reversal of chronic two-kidney, one-clip hypertension normalize blood pressure and hemodynamics in rats?
Population
Rats with chronic Goldblatt two-kidney, one-clip hypertension of greater than 4 months duration
Comparison
Surgical reversal vs Normal controls
Design
Preclinical
Follow-up
up to 60 days
Authors
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Suggests functional vasoconstriction predominates over structural remodeling in this model; hypothesis-generating with no direct human translation.
Does surgical reversal of chronic two-kidney, one-clip hypertension normalize blood pressure and hemodynamics in rats?
Surgical reversal of chronic two-kidney, one-clip hypertension in rats normalizes blood pressure via a fall in total peripheral resistance, suggesting resistance vessel hypertrophy is not solely responsible for maintaining hypertension in this model.
Russell et al. (1981) studied Chronic Goldblatt two-kidney, one-clip hypertension. Surgical reversal (removal of clip or ischaemic kidney) vs. Normal controls was evaluated on Blood pressure and haemodynamic changes. Surgical reversal of chronic two-kidney, one-clip hypertension in rats normalized blood pressure within 24 hours via a fall in total peripheral resistance, despite structural vascular changes.
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