Non-dipping is a potent predictor of cardiovascular mortality and is associated with autonomic dysfunction in haemodialysis patients

Manchang Liu, Hiroshi Takahashi, Yoshiki Morita, Shoichi Maruyama, Masashi Mizuno, Yukio Yuzawa, Midoriko Watanabe, Takanobu Toriyama, Hirohisa Kawahara, Seiichi Matsuo

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Abstract

Background. Lack of nocturnal blood pressure (BP) fall (non-dipping) is common among haemodialysis (HD) patients, but much less is known regarding its association with cardiovascular (CV) disease morbidity and mortality. Methods. Eighty HD patients initially underwent 24 h ambulatory BP monitoring (ABPM), and then they were defined as either 'dippers' (n=24, nocturnal BP fall ≥ 10%) or 'non-dippers' (n=56, fall < 10%). Coronary angiography was performed in the patients who had signs and/or symptoms of coronary artery disease (CAD). Twenty-four hour ambulatory ECG was recorded in 20 dippers and 20 non-dipper HD patients, and in 20 normal subjects. All patients were followed for up to 5.8 years (33.0±19.1 months). The outcome events studied were the hospitalisations due to CV diseases and CV death. Results. Compared with dippers, non-dippers initially had a higher incidence of coronary artery stenosis (P<0.05) along with left ventricular asynergy (both Ps<0.01). The circadian rhythm of autonomic function was impaired in non-dippers. The incidences of CV events and CV deaths were 3.5 and 9 times higher in non-dippers than in dippers. The cumulative CV event-free survival and CV survival rates were lower in non-dippers than in dippers (P=0.02 and P=0.005, respectively). Based on Cox analysis, non-dipping was associated positively with CV events and CV mortality [hazard ratio (HR) 2.46, 95% CI 1.02-5.92, P=0.038 and HR 9.62, 95% CI 1.23-75.42, P=0.031, respectively]. Meanwhile, nocturnal systolic BP fall, diurnal systolic BP and diurnal pulse pressure were negatively associated with CV event/death. The clinic BP was not associated with CV event/death. Conclusions. The non-dipping phenomenon is closely related to a high incidence of CV diseases, a poor long-term survival and profound autonomic dysfunction. ABPM is useful in predicting long-term CV prognosis in HD patients.

Original languageEnglish
Pages (from-to)563-569
Number of pages7
JournalNephrology Dialysis Transplantation
Volume18
Issue number3
DOIs
Publication statusPublished - 01-03-2003

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Renal Dialysis
Blood Pressure
Mortality
Cardiovascular Diseases
Incidence
Ambulatory Monitoring
Ambulatory Blood Pressure Monitoring
Coronary Stenosis
Circadian Rhythm
Coronary Angiography
Disease-Free Survival
Signs and Symptoms
Coronary Artery Disease
Electrocardiography
Hospitalization
Survival Rate
Morbidity
Survival

All Science Journal Classification (ASJC) codes

  • Nephrology
  • Transplantation

Cite this

Liu, Manchang ; Takahashi, Hiroshi ; Morita, Yoshiki ; Maruyama, Shoichi ; Mizuno, Masashi ; Yuzawa, Yukio ; Watanabe, Midoriko ; Toriyama, Takanobu ; Kawahara, Hirohisa ; Matsuo, Seiichi. / Non-dipping is a potent predictor of cardiovascular mortality and is associated with autonomic dysfunction in haemodialysis patients. In: Nephrology Dialysis Transplantation. 2003 ; Vol. 18, No. 3. pp. 563-569.
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title = "Non-dipping is a potent predictor of cardiovascular mortality and is associated with autonomic dysfunction in haemodialysis patients",
abstract = "Background. Lack of nocturnal blood pressure (BP) fall (non-dipping) is common among haemodialysis (HD) patients, but much less is known regarding its association with cardiovascular (CV) disease morbidity and mortality. Methods. Eighty HD patients initially underwent 24 h ambulatory BP monitoring (ABPM), and then they were defined as either 'dippers' (n=24, nocturnal BP fall ≥ 10{\%}) or 'non-dippers' (n=56, fall < 10{\%}). Coronary angiography was performed in the patients who had signs and/or symptoms of coronary artery disease (CAD). Twenty-four hour ambulatory ECG was recorded in 20 dippers and 20 non-dipper HD patients, and in 20 normal subjects. All patients were followed for up to 5.8 years (33.0±19.1 months). The outcome events studied were the hospitalisations due to CV diseases and CV death. Results. Compared with dippers, non-dippers initially had a higher incidence of coronary artery stenosis (P<0.05) along with left ventricular asynergy (both Ps<0.01). The circadian rhythm of autonomic function was impaired in non-dippers. The incidences of CV events and CV deaths were 3.5 and 9 times higher in non-dippers than in dippers. The cumulative CV event-free survival and CV survival rates were lower in non-dippers than in dippers (P=0.02 and P=0.005, respectively). Based on Cox analysis, non-dipping was associated positively with CV events and CV mortality [hazard ratio (HR) 2.46, 95{\%} CI 1.02-5.92, P=0.038 and HR 9.62, 95{\%} CI 1.23-75.42, P=0.031, respectively]. Meanwhile, nocturnal systolic BP fall, diurnal systolic BP and diurnal pulse pressure were negatively associated with CV event/death. The clinic BP was not associated with CV event/death. Conclusions. The non-dipping phenomenon is closely related to a high incidence of CV diseases, a poor long-term survival and profound autonomic dysfunction. ABPM is useful in predicting long-term CV prognosis in HD patients.",
author = "Manchang Liu and Hiroshi Takahashi and Yoshiki Morita and Shoichi Maruyama and Masashi Mizuno and Yukio Yuzawa and Midoriko Watanabe and Takanobu Toriyama and Hirohisa Kawahara and Seiichi Matsuo",
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Liu, M, Takahashi, H, Morita, Y, Maruyama, S, Mizuno, M, Yuzawa, Y, Watanabe, M, Toriyama, T, Kawahara, H & Matsuo, S 2003, 'Non-dipping is a potent predictor of cardiovascular mortality and is associated with autonomic dysfunction in haemodialysis patients', Nephrology Dialysis Transplantation, vol. 18, no. 3, pp. 563-569. https://doi.org/10.1093/ndt/18.3.563

Non-dipping is a potent predictor of cardiovascular mortality and is associated with autonomic dysfunction in haemodialysis patients. / Liu, Manchang; Takahashi, Hiroshi; Morita, Yoshiki; Maruyama, Shoichi; Mizuno, Masashi; Yuzawa, Yukio; Watanabe, Midoriko; Toriyama, Takanobu; Kawahara, Hirohisa; Matsuo, Seiichi.

In: Nephrology Dialysis Transplantation, Vol. 18, No. 3, 01.03.2003, p. 563-569.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Non-dipping is a potent predictor of cardiovascular mortality and is associated with autonomic dysfunction in haemodialysis patients

AU - Liu, Manchang

AU - Takahashi, Hiroshi

AU - Morita, Yoshiki

AU - Maruyama, Shoichi

AU - Mizuno, Masashi

AU - Yuzawa, Yukio

AU - Watanabe, Midoriko

AU - Toriyama, Takanobu

AU - Kawahara, Hirohisa

AU - Matsuo, Seiichi

PY - 2003/3/1

Y1 - 2003/3/1

N2 - Background. Lack of nocturnal blood pressure (BP) fall (non-dipping) is common among haemodialysis (HD) patients, but much less is known regarding its association with cardiovascular (CV) disease morbidity and mortality. Methods. Eighty HD patients initially underwent 24 h ambulatory BP monitoring (ABPM), and then they were defined as either 'dippers' (n=24, nocturnal BP fall ≥ 10%) or 'non-dippers' (n=56, fall < 10%). Coronary angiography was performed in the patients who had signs and/or symptoms of coronary artery disease (CAD). Twenty-four hour ambulatory ECG was recorded in 20 dippers and 20 non-dipper HD patients, and in 20 normal subjects. All patients were followed for up to 5.8 years (33.0±19.1 months). The outcome events studied were the hospitalisations due to CV diseases and CV death. Results. Compared with dippers, non-dippers initially had a higher incidence of coronary artery stenosis (P<0.05) along with left ventricular asynergy (both Ps<0.01). The circadian rhythm of autonomic function was impaired in non-dippers. The incidences of CV events and CV deaths were 3.5 and 9 times higher in non-dippers than in dippers. The cumulative CV event-free survival and CV survival rates were lower in non-dippers than in dippers (P=0.02 and P=0.005, respectively). Based on Cox analysis, non-dipping was associated positively with CV events and CV mortality [hazard ratio (HR) 2.46, 95% CI 1.02-5.92, P=0.038 and HR 9.62, 95% CI 1.23-75.42, P=0.031, respectively]. Meanwhile, nocturnal systolic BP fall, diurnal systolic BP and diurnal pulse pressure were negatively associated with CV event/death. The clinic BP was not associated with CV event/death. Conclusions. The non-dipping phenomenon is closely related to a high incidence of CV diseases, a poor long-term survival and profound autonomic dysfunction. ABPM is useful in predicting long-term CV prognosis in HD patients.

AB - Background. Lack of nocturnal blood pressure (BP) fall (non-dipping) is common among haemodialysis (HD) patients, but much less is known regarding its association with cardiovascular (CV) disease morbidity and mortality. Methods. Eighty HD patients initially underwent 24 h ambulatory BP monitoring (ABPM), and then they were defined as either 'dippers' (n=24, nocturnal BP fall ≥ 10%) or 'non-dippers' (n=56, fall < 10%). Coronary angiography was performed in the patients who had signs and/or symptoms of coronary artery disease (CAD). Twenty-four hour ambulatory ECG was recorded in 20 dippers and 20 non-dipper HD patients, and in 20 normal subjects. All patients were followed for up to 5.8 years (33.0±19.1 months). The outcome events studied were the hospitalisations due to CV diseases and CV death. Results. Compared with dippers, non-dippers initially had a higher incidence of coronary artery stenosis (P<0.05) along with left ventricular asynergy (both Ps<0.01). The circadian rhythm of autonomic function was impaired in non-dippers. The incidences of CV events and CV deaths were 3.5 and 9 times higher in non-dippers than in dippers. The cumulative CV event-free survival and CV survival rates were lower in non-dippers than in dippers (P=0.02 and P=0.005, respectively). Based on Cox analysis, non-dipping was associated positively with CV events and CV mortality [hazard ratio (HR) 2.46, 95% CI 1.02-5.92, P=0.038 and HR 9.62, 95% CI 1.23-75.42, P=0.031, respectively]. Meanwhile, nocturnal systolic BP fall, diurnal systolic BP and diurnal pulse pressure were negatively associated with CV event/death. The clinic BP was not associated with CV event/death. Conclusions. The non-dipping phenomenon is closely related to a high incidence of CV diseases, a poor long-term survival and profound autonomic dysfunction. ABPM is useful in predicting long-term CV prognosis in HD patients.

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U2 - 10.1093/ndt/18.3.563

DO - 10.1093/ndt/18.3.563

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AN - SCOPUS:0346035735

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JO - Nephrology Dialysis Transplantation

JF - Nephrology Dialysis Transplantation

SN - 0931-0509

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