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Izawa KP, Watanabe S, Omiya K, et al. Health-related quality of life in relation to different levels of disease severity in patients with chronic heart failure. J Jpn Phys Ther Assoc. 2005;8(1):39-45doi: 10.1298/jjpta.8.39.
Izawa, K. P., Watanabe, S., Omiya, K., Yamada, S., Oka, K., Tamura, M., Samejima, H., Osada, N., & Iijima, S. (2005). Health-related quality of life in relation to different levels of disease severity in patients with chronic heart failure. Journal of the Japanese Physical Therapy Association = Rigaku ryoho, 8(1), 39-45. https://doi.org/10.1298/jjpta.8.39
Izawa, Kazuhiro P, et al. "Health-related quality of life in relation to different levels of disease severity in patients with chronic heart failure." Journal of the Japanese Physical Therapy Association = Rigaku ryoho vol. 8,1 (2005): 39-45. doi: https://doi.org/10.1298/jjpta.8.39
Izawa KP, Watanabe S, Omiya K, Yamada S, Oka K, Tamura M, Samejima H, Osada N, Iijima S. Health-related quality of life in relation to different levels of disease severity in patients with chronic heart failure. J Jpn Phys Ther Assoc. 2005;8(1):39-45. doi: 10.1298/jjpta.8.39. PMID: 25792942; PMCID: PMC4316504.
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J Jpn Phys Ther Assoc. 2005;8(1):39-45. doi: 10.1298/jjpta.8.39.

Health-related quality of life in relation to different levels of disease severity in patients with chronic heart failure.

Journal of the Japanese Physical Therapy Association = Rigaku ryoho

Kazuhiro P Izawa, Satoshi Watanabe, Kazuto Omiya, Sumio Yamada, Koichiro Oka, Masachika Tamura, Hisanori Samejima, Naohiko Osada, Setsu Iijima

Affiliations

  1. Department of Rehabilitation Medicine, St. Marianna University School of Medicine Hospital, Kawasaki 216-8511, Japan.
  2. Division of Cardiology, Department of Internal Medicine, St. Marianna University School of Medicine, Kawasaki 216-8511, Japan.
  3. Institute of Medical Sciences, University of Nagoya, Nagoya 461-8673, Japan.
  4. Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan.
  5. Institute of Disability Sciences, University of Tsukuba, Ibaraki 112-0012, Japan.

PMID: 25792942 PMCID: PMC4316504 DOI: 10.1298/jjpta.8.39

Abstract

The purpose of the present study was to compare differences in physiological outcomes and health-related quality of life (HRQOL) in relation to degree of illness in patients with chronic heart failure (CHF) and to compare HRQOL in CHF patients with that of a normal Japanese population. One hundred and twenty-five patients with stable CHF (93 men, 32 women, mean age 63.3 ± 12.4 years) with left ventricular ejection fraction (LVEF) of less than 40% were enrolled in the present study. We used New York Heart Association (NYHA) functional class as an index of degree of illness. In 64 of the 125 patients, physiological outcome measures included peak oxygen uptake (peak O2) and E/CO2 slope. HRQOL was assessed with the medical outcome study short form-36 (SF-36) Japanese version. In addition, SF-36 scores of CHF patients were compared against Japanese standard values. Age and LVEF did not differ according to NYHA functional class. The eight SF-36 subscale scores and peak O2 decreased with increases in the NYHA functional classes, whereas E/CO2 slope increased with increases in NYHA functional class (p<0.05). Of the 8 SF-36 subscales measured in CHF patients, only the bodily pain score attained that of the normal Japanese population. These findings suggest that HRQOL decreases as NYHA functional class increases and other physiological measures worsen. In addition, HRQOL values of CHF patients were low in comparison with standard values of a normal Japanese population.

Keywords: chronic heart failure; health-related quality of life; physiological outcomes

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