Association of Habitual Physical Activity Measured by an Accelerometer with High-Density Lipoprotein Cholesterol Levels in Maintenance Hemodialysis Patients

After confirming the relationship between high-density lipoprotein cholesterol (HDL-C) levels and mortality in hemodialysis patients for study 1, we investigated the effect of physical activity on their HDL-C levels for study 2. In study 1, 266 hemodialysis patients were monitored prospectively for...

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Main Authors: Ryota Matsuzawa, Atsuhiko Matsunaga, Toshiki Kutsuna, Akira Ishii, Yoshifumi Abe, Kei Yoneki, Manae Harada, Mio Ishibashi, Yasuo Takeuchi, Atsushi Yoshida, Naonobu Takahira
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1155/2013/780783
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author Ryota Matsuzawa
Atsuhiko Matsunaga
Toshiki Kutsuna
Akira Ishii
Yoshifumi Abe
Kei Yoneki
Manae Harada
Mio Ishibashi
Yasuo Takeuchi
Atsushi Yoshida
Naonobu Takahira
author_facet Ryota Matsuzawa
Atsuhiko Matsunaga
Toshiki Kutsuna
Akira Ishii
Yoshifumi Abe
Kei Yoneki
Manae Harada
Mio Ishibashi
Yasuo Takeuchi
Atsushi Yoshida
Naonobu Takahira
author_sort Ryota Matsuzawa
collection DOAJ
description After confirming the relationship between high-density lipoprotein cholesterol (HDL-C) levels and mortality in hemodialysis patients for study 1, we investigated the effect of physical activity on their HDL-C levels for study 2. In study 1, 266 hemodialysis patients were monitored prospectively for five years, and Cox proportional hazard regression confirmed the contribution of HDL-C to mortality. In study 2, 116 patients were recruited after excluding those with severe comorbidities or requiring assistance from another person to walk. Baseline characteristics, such as demographic factors, physical constitution, primary kidney disease, comorbid conditions, smoking habits, drug use, and laboratory parameters, were collected from patient hospital records. An accelerometer measured physical activity as the number of steps per day over five consecutive days, and multiple regression evaluated the association between physical activity and HDL-C levels. Seventy-seven patients died during the follow-up period. In study 1, we confirmed that HDL-C level was a significant predictor of mortality (P=0.03). After adjusting for patient characteristics in study 2, physical activity was independently associated with HDL-C levels (adjusted R2=0.255; P=0.005). In conclusion, physical inactivity was strongly associated with decreased HDL-C levels in hemodialysis patients.
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spelling doaj-art-5cf32c7310984bb6a01eb52fb827fafd2025-02-03T07:25:02ZengWileyThe Scientific World Journal1537-744X2013-01-01201310.1155/2013/780783780783Association of Habitual Physical Activity Measured by an Accelerometer with High-Density Lipoprotein Cholesterol Levels in Maintenance Hemodialysis PatientsRyota Matsuzawa0Atsuhiko Matsunaga1Toshiki Kutsuna2Akira Ishii3Yoshifumi Abe4Kei Yoneki5Manae Harada6Mio Ishibashi7Yasuo Takeuchi8Atsushi Yoshida9Naonobu Takahira10Department of Rehabilitation Sciences, Graduate School of Medical Sciences, Kitasato University, 1-15-1 Kitasato, Sagamihara, Kanagawa 252-0373, JapanDepartment of Rehabilitation Sciences, Graduate School of Medical Sciences, Kitasato University, 1-15-1 Kitasato, Sagamihara, Kanagawa 252-0373, JapanRehabilitation Center, Kitasato University East Hospital, Sagamihara, JapanHemodialysis Center, Sagami Junkanki Clinic, Sagamihara, JapanDepartment of Rehabilitation Sciences, Graduate School of Medical Sciences, Kitasato University, 1-15-1 Kitasato, Sagamihara, Kanagawa 252-0373, JapanDepartment of Rehabilitation Sciences, Graduate School of Medical Sciences, Kitasato University, 1-15-1 Kitasato, Sagamihara, Kanagawa 252-0373, JapanDepartment of Rehabilitation Sciences, Graduate School of Medical Sciences, Kitasato University, 1-15-1 Kitasato, Sagamihara, Kanagawa 252-0373, JapanHemodialysis Center, Sagami Junkanki Clinic, Sagamihara, JapanDivision of Nephrology, Department of Internal Medicine, Kitasato University School of Medicine, Sagamihara, JapanHemodialysis Center, Sagami Junkanki Clinic, Sagamihara, JapanDepartment of Rehabilitation Sciences, Graduate School of Medical Sciences, Kitasato University, 1-15-1 Kitasato, Sagamihara, Kanagawa 252-0373, JapanAfter confirming the relationship between high-density lipoprotein cholesterol (HDL-C) levels and mortality in hemodialysis patients for study 1, we investigated the effect of physical activity on their HDL-C levels for study 2. In study 1, 266 hemodialysis patients were monitored prospectively for five years, and Cox proportional hazard regression confirmed the contribution of HDL-C to mortality. In study 2, 116 patients were recruited after excluding those with severe comorbidities or requiring assistance from another person to walk. Baseline characteristics, such as demographic factors, physical constitution, primary kidney disease, comorbid conditions, smoking habits, drug use, and laboratory parameters, were collected from patient hospital records. An accelerometer measured physical activity as the number of steps per day over five consecutive days, and multiple regression evaluated the association between physical activity and HDL-C levels. Seventy-seven patients died during the follow-up period. In study 1, we confirmed that HDL-C level was a significant predictor of mortality (P=0.03). After adjusting for patient characteristics in study 2, physical activity was independently associated with HDL-C levels (adjusted R2=0.255; P=0.005). In conclusion, physical inactivity was strongly associated with decreased HDL-C levels in hemodialysis patients.http://dx.doi.org/10.1155/2013/780783
spellingShingle Ryota Matsuzawa
Atsuhiko Matsunaga
Toshiki Kutsuna
Akira Ishii
Yoshifumi Abe
Kei Yoneki
Manae Harada
Mio Ishibashi
Yasuo Takeuchi
Atsushi Yoshida
Naonobu Takahira
Association of Habitual Physical Activity Measured by an Accelerometer with High-Density Lipoprotein Cholesterol Levels in Maintenance Hemodialysis Patients
The Scientific World Journal
title Association of Habitual Physical Activity Measured by an Accelerometer with High-Density Lipoprotein Cholesterol Levels in Maintenance Hemodialysis Patients
title_full Association of Habitual Physical Activity Measured by an Accelerometer with High-Density Lipoprotein Cholesterol Levels in Maintenance Hemodialysis Patients
title_fullStr Association of Habitual Physical Activity Measured by an Accelerometer with High-Density Lipoprotein Cholesterol Levels in Maintenance Hemodialysis Patients
title_full_unstemmed Association of Habitual Physical Activity Measured by an Accelerometer with High-Density Lipoprotein Cholesterol Levels in Maintenance Hemodialysis Patients
title_short Association of Habitual Physical Activity Measured by an Accelerometer with High-Density Lipoprotein Cholesterol Levels in Maintenance Hemodialysis Patients
title_sort association of habitual physical activity measured by an accelerometer with high density lipoprotein cholesterol levels in maintenance hemodialysis patients
url http://dx.doi.org/10.1155/2013/780783
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