Abstract:
:Most patients with secondary hypertension due to renal disease or on maintenance hemodialysis have lost the physiologic fall of blood pressure during sleep. To test the notion that kidney transplantation normalizes the blood pressure profile, we monitored ambulatory blood pressure over 24 hr in 45 patients (29 males and 16 females) after successful renal transplantation. The longer the time after renal transplantation, the more marked was the decrease of blood pressure during sleep (r = 0.38, P < 0.01). This effect of time after renal transplantation on the fall of blood pressure during sleep was independent of the prevailing level of 24-hr ambulatory blood pressure. The prevalence of dippers (defined by a fall in mean blood pressure during sleep of 10% or more of the awake mean) increased from 27% in the early phase (< 7 months) to 73% in the late phase (> or = 1 year) after renal transplantation (P < 0.01). Again, this effect was not attributable to the level of 24-hr ambulatory blood pressure and concomitant antihypertensive or immunosuppressive medication. We conclude that renal transplantation leads to a normalization of the circadian blood pressure profile with a marked decrease of blood pressure during sleep. As a consequence, the lower hemodynamic load imposed on the cardiovascular system may in turn lead to a reduction of cardiovascular morbidity and mortality.
journal_name
Transplantationjournal_title
Transplantationauthors
Gatzka CD,Schobel HP,Klingbeil AU,Neumayer HH,Schmieder REsubject
Has Abstractpub_date
1995-05-15 00:00:00pages
1270-4issue
9eissn
0041-1337issn
1534-6080journal_volume
59pub_type
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