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Salt Sensitivity and Nondippers in Chronic Kidney Disease.
MedLine Citation:
PMID:  22898905     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
High salt-sensitivity and nondipper blood pressure (BP) rhythm are highly associated with each other, because both are caused by impaired renal sodium excretion capability. We proposed that nocturnal hypertension and resultant pressure natriuresis could compensate for daytime sodium retention. If so, high BP may continue until sodium is sufficiently excreted at night. In fact, it takes longer for the night-time BP to fall in patients with more severe renal dysfunction. The time appears to be an essential component of the nondipper BP rhythm and, therefore, we defined the duration as the dipping time. Also, renal function was the sole determinant of a nocturnal BP dip other than age, sex, or BMI. Furthermore, we reported that diuretic therapy or dietary salt restriction, which can prevent sodium retention, restored the circadian BP rhythm into a dipper pattern. Large-scale studies are needed to explore whether these interventions can decrease the risks.
Authors:
Michio Fukuda; Genjiro Kimura
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-8-17
Journal Detail:
Title:  Current hypertension reports     Volume:  -     ISSN:  1534-3111     ISO Abbreviation:  Curr. Hypertens. Rep.     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-8-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100888982     Medline TA:  Curr Hypertens Rep     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Cardio-Renal Medicine and Hypertension, Nagoya City University Graduate School of Medical Sciences, Mizuho-ku, Nagoya, 467-8601, Japan, m-fukuda@med.nagoya-cu.ac.jp.
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