Int J Med Sci 2013; 10(1):1-7. doi:10.7150/ijms.5003 This issue Cite

Research Paper

Retrospective Analysis of the Relationship between Decline in FEV1 and Abdominal Circumference in Male Smokers: the Takahata Study

Masamichi Sato1, Yoko Shibata1✉, Shuichi Abe1, Sumito Inoue1, Akira Igarashi1, Keiko Yamauchi1, Yasuko Aida1, Hiroyuki Kishi1, Keiko Nunomiya1, Hiroshi Nakano1, Kento Sato1, Tetsu Watanabe1, Tsuneo Konta1, Yoshiyuki Ueno2, Takeo Kato2, Takamasa Kayama2, Isao Kubota1

1. Department of Cardiology, Pulmonology, and Nephrology;
2. Global Center of Excellence Program Study Group, Yamagata University School of Medicine, 2-2-2 Iida-Nishi Yamagata 990-9585, Japan.

Citation:
Sato M, Shibata Y, Abe S, Inoue S, Igarashi A, Yamauchi K, Aida Y, Kishi H, Nunomiya K, Nakano H, Sato K, Watanabe T, Konta T, Ueno Y, Kato T, Kayama T, Kubota I. Retrospective Analysis of the Relationship between Decline in FEV1 and Abdominal Circumference in Male Smokers: the Takahata Study. Int J Med Sci 2013; 10(1):1-7. doi:10.7150/ijms.5003. https://www.medsci.org/v10p0001.htm
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Abstract

Background: Metabolic syndrome (Mets) is reportedly associated with chronic obstructive pulmonary disease (COPD). However, the relationship between abdominal circumference (AC) and decline in FEV1 has not been elucidated. We aimed to investigate this relationship among male current smokers.

Methods: Spirometry was performed on subjects (n = 3,257) ≥ 40 years of age, who participated in a community-based annual health check in Takahata, Japan, from 2004 through 2006 (visit 1). Spirometry was re-evaluated, and AC was assessed in 147 of the male current smokers in 2009 (visit 2). The diagnosis of Mets was based on the criteria used in the Hisayama Study.

Results: No significant relationships were observed between AC and spirometric parameters such as % predicted forced vital capacity (FVC), % predicted forced expiratory volume in 1 s (FEV1) and FEV1/FVC. However, decline in FEV1 was significantly correlated with AC. Multivariate logistic regression analysis showed that AC was a significant discriminating factor for decline in FEV1, independently of age, Brinkman index and change in body mass index from visit 1 to visit 2. At visit 2, there was a greater prevalence of decline in FEV1 among subjects with Mets (n=17) than among those without Mets. Although there were no differences in % predicted FVC, % predicted FEV1 or FEV1/FVC between subjects with or without Mets, the rate of decline in FEV1 was significantly greater in subjects with Mets than in those without.

Conclusions: This retrospective analysis suggested that measuring AC may be useful for discriminating male smokers who show a decline in FEV1.

Keywords: decline in FEV1, abdominal circumference, smoker, health check.


Citation styles

APA
Sato, M., Shibata, Y., Abe, S., Inoue, S., Igarashi, A., Yamauchi, K., Aida, Y., Kishi, H., Nunomiya, K., Nakano, H., Sato, K., Watanabe, T., Konta, T., Ueno, Y., Kato, T., Kayama, T., Kubota, I. (2013). Retrospective Analysis of the Relationship between Decline in FEV1 and Abdominal Circumference in Male Smokers: the Takahata Study. International Journal of Medical Sciences, 10(1), 1-7. https://doi.org/10.7150/ijms.5003.

ACS
Sato, M.; Shibata, Y.; Abe, S.; Inoue, S.; Igarashi, A.; Yamauchi, K.; Aida, Y.; Kishi, H.; Nunomiya, K.; Nakano, H.; Sato, K.; Watanabe, T.; Konta, T.; Ueno, Y.; Kato, T.; Kayama, T.; Kubota, I. Retrospective Analysis of the Relationship between Decline in FEV1 and Abdominal Circumference in Male Smokers: the Takahata Study. Int. J. Med. Sci. 2013, 10 (1), 1-7. DOI: 10.7150/ijms.5003.

NLM
Sato M, Shibata Y, Abe S, Inoue S, Igarashi A, Yamauchi K, Aida Y, Kishi H, Nunomiya K, Nakano H, Sato K, Watanabe T, Konta T, Ueno Y, Kato T, Kayama T, Kubota I. Retrospective Analysis of the Relationship between Decline in FEV1 and Abdominal Circumference in Male Smokers: the Takahata Study. Int J Med Sci 2013; 10(1):1-7. doi:10.7150/ijms.5003. https://www.medsci.org/v10p0001.htm

CSE
Sato M, Shibata Y, Abe S, Inoue S, Igarashi A, Yamauchi K, Aida Y, Kishi H, Nunomiya K, Nakano H, Sato K, Watanabe T, Konta T, Ueno Y, Kato T, Kayama T, Kubota I. 2013. Retrospective Analysis of the Relationship between Decline in FEV1 and Abdominal Circumference in Male Smokers: the Takahata Study. Int J Med Sci. 10(1):1-7.

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