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Renal plasma flow, filtration fraction and microalbuminuria in hypertensive patients: Effects of chronic smoking
Author(s) -
ANDRONICO GIUSEPPE,
ROMÉ MARIA,
LO CICERO ANTONINA,
PARSI RENATO,
SEDDIO GIOVANNA,
FERRAROMORTELLARO ROSELLA,
BUSCEMI SILVIO,
CERASOLA GIOVANNI
Publication year - 2005
Publication title -
nephrology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 61
eISSN - 1440-1797
pISSN - 1320-5358
DOI - 10.1111/j.1440-1797.2005.00458.x
Subject(s) - medicine , renal function , microalbuminuria , filtration fraction , excretion , effective renal plasma flow , renal blood flow , albuminuria , urology , endocrinology , albumin , renal physiology , cardiology
SUMMARY: Introduction: Albumin excretion rate is usually increased in people who smoke, but the physiological basis of this phenomenon is not fully understood. Methods: The effect of chronic smoking on renal haemodynamics was studied in a cohort of 66 men. Twenty‐seven were smokers and 36 were hypertensive. In all subjects, the albumin excretion rate was evaluated; in hypertensive patients, a renoscintigraphic evaluation of renal plasma flow and glomerular filtration were carried out and the filtration fraction was calculated. Results: The hypertensive smoking population presented an increased urinary albumin excretion rate in comparison with hypertensive non‐smoking patients. No significant differences were found for the mean values of renal plasma flow, the glomerular filtration rate and the filtration fraction between hypertensive smokers and hypertensive non‐smoking patients. Conclusions: In hypertensive patients, smoking does not modify typical renal haemodynamic changes of arterial hypertension; however, it significantly increases the albumin excretion rate.