Association of serum ferritin levels with smoking and lung function in the Korean adult population: analysis of the fourth and fifth Korean National Health and Nutrition Examination Survey

Chan Ho Lee, Eun Kyung Goag, Su Hwan Lee, Kyung Soo Chung, Ji Ye Jung, Moo Suk Park, Young Sam Kim, Se Kyu Kim, Joon Chang, Joo Han Song Division of Pulmonology and Critical Care Medicine, Department of Internal Medicine, Institute of Chest Disease, Severance Hospital, Yonsei University College of ... Ausführliche Beschreibung

1. Person: Lee CH verfasserin
Weitere Personen: Goag EK verfasserin; Lee SH verfasserin; Chung KS verfasserin; Jung JY verfasserin; Park MS verfasserin; Kim YS verfasserin; Kim SK verfasserin; Chang J verfasserin; Song JH verfasserin
Quelle: In International Journal of COPD (01.11.2016)
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Sprache: English
Veröffentlicht: 2016
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  Creative Commons License Source: Directory of Open Access Journals (DOAJ).
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100 0 |a Lee CH  |e verfasserin  |4 aut 
245 1 0 |a Association of serum ferritin levels with smoking and lung function in the Korean adult population: analysis of the fourth and fifth Korean National Health and Nutrition Examination Survey  |h Elektronische Ressource 
300 |a Online-Ressource 
520 |a Chan Ho Lee, Eun Kyung Goag, Su Hwan Lee, Kyung Soo Chung, Ji Ye Jung, Moo Suk Park, Young Sam Kim, Se Kyu Kim, Joon Chang, Joo Han Song Division of Pulmonology and Critical Care Medicine, Department of Internal Medicine, Institute of Chest Disease, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea Background: Iron-catalyzed oxidative stress contributes to lung injury after exposure to various toxins, including cigarette smoke. An oxidant/antioxidant imbalance is considered to play a critical role in the pathogenesis of COPD. Ferritin is a key protein in iron homeostasis, and its capacity to oxidize and sequester the metal preventing iron prooxidant activity implicates its possible role in the alteration of antioxidant imbalance. We investigated the relationship among cigarette smoking, lung function, and serum ferritin concentration in a large cohort representative of the Korean adult population. Materials and methods: Among 50,405 participants of the Korean National Health and Nutrition Examination Survey from 2010 to 2014, 15,239 adult subjects older than 40years with serum ferritin levels and spirometric data were selected for this study. Results: The mean age was 56.5years for men (43%) and 56.9years for women (57%). The prevalence of airway obstruction was 13.4%, which was significantly higher in men than in women, and increased in former or current smokers. The median levels of serum ferritin were highest in the airway obstruction group, followed by the restrictive pattern group, and lowest in the normal lung function group. The median ferritin levels were increased by smoking status and amounts in each spirometric subgroup. In multivariable regression analysis, serum ferritin was positively associated with forced expiratory volume in 1second and forced expiratory volume in 1second/forced vital capacity, whereas the smoking amount was negatively associated with the adjustment with age, sex, height, and weight. Conclusion: Serum ferritin levels were increased in former or current smokers and were increased with smoking amount in all subgroups of participants categorized according to spirometric results. The result was also evident in the subgroups divided by obstructive severity. While smoking amount was inversely related to lung function, higher levels of serum ferritin were associated with enhanced spirometric results in a representative sample of the general Korean adult population. Future prospective studies will be needed to clarify the causality between serum ferritin and lung functions and their role in COPD morbidity. Keywords: airway obstruction, ferritin, smoking 
700 0 |a Goag EK  |e verfasserin  |4 aut 
700 0 |a Lee SH  |e verfasserin  |4 aut 
700 0 |a Chung KS  |e verfasserin  |4 aut 
700 0 |a Jung JY  |e verfasserin  |4 aut 
700 0 |a Park MS  |e verfasserin  |4 aut 
700 0 |a Kim YS  |e verfasserin  |4 aut 
700 0 |a Kim SK  |e verfasserin  |4 aut 
700 0 |a Chang J  |e verfasserin  |4 aut 
700 0 |a Song JH  |e verfasserin  |4 aut 
773 0 8 |i In  |t International Journal of COPD  |g  (01.11.2016)  |w (DE-601)DOAJ000074349  |x 1176-9106 
856 4 0 |y DOAJ  |u https://doaj.org/article/72d055251d204b31b98ccbc2c1262b76 
856 4 0 |u https://www.dovepress.com/association-of-serum-ferritin-levels-with-smoking-and-lung-function-in-peer-reviewed-article-COPD 
856 4 0 |u https://doaj.org/toc/1178-2005 
912 |a GBV_DOAJ 
951 |a AR 
952 |j 2016  |b 01  |c 11 

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