Ambient carbon monoxide correlates with mortality risk of hemodialysis patients: comparing results of control selection in the case-crossover designs

Background Growing evidence suggests that environmental air pollution adversely affects kidney health. To date, the association between carbon monoxide (CO) and mortality in patients with end-stage renal disease (ESRD) has not been examined. Methods Among 134,478 dialysis patients in the Korean ESRD...

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Main Authors: Hyuk Huh (Author), Ejin Kim (Author), Una Amelia Yoon (Author), Mun Jeong Choi (Author), Hyewon Lee (Author), Soie Kwon (Author), Clara Tammy Kim (Author), Dong Ki Kim (Author), Yon Su Kim (Author), Chun Soo Lim (Author), Jung Pyo Lee (Author), Ho Kim (Author), Yong Chul Kim (Author)
Format: Book
Published: The Korean Society of Nephrology, 2022-09-01T00:00:00Z.
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LEADER 00000 am a22000003u 4500
001 doaj_8c9e8473b6814a89bb2d1d8ce8ec15a1
042 |a dc 
100 1 0 |a Hyuk Huh  |e author 
700 1 0 |a Ejin Kim  |e author 
700 1 0 |a Una Amelia Yoon  |e author 
700 1 0 |a Mun Jeong Choi  |e author 
700 1 0 |a Hyewon Lee  |e author 
700 1 0 |a Soie Kwon  |e author 
700 1 0 |a Clara Tammy Kim  |e author 
700 1 0 |a Dong Ki Kim  |e author 
700 1 0 |a Yon Su Kim  |e author 
700 1 0 |a Chun Soo Lim  |e author 
700 1 0 |a Jung Pyo Lee  |e author 
700 1 0 |a Ho Kim  |e author 
700 1 0 |a Yong Chul Kim  |e author 
245 0 0 |a Ambient carbon monoxide correlates with mortality risk of hemodialysis patients: comparing results of control selection in the case-crossover designs 
260 |b The Korean Society of Nephrology,   |c 2022-09-01T00:00:00Z. 
500 |a 2211-9132 
500 |a 2211-9140 
500 |a 10.23876/j.krcp.21.228 
520 |a Background Growing evidence suggests that environmental air pollution adversely affects kidney health. To date, the association between carbon monoxide (CO) and mortality in patients with end-stage renal disease (ESRD) has not been examined. Methods Among 134,478 dialysis patients in the Korean ESRD cohort between 2001 and 2014, 8,130 deceased hemodialysis patients were enrolled, and data were analyzed using bidirectional, unidirectional, and time-stratified case-crossover design. We examined the association between short-term CO concentration and mortality in patients with ESRD. We used a two-pollutant model, adjusted for temperature as a climate factor and for nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), and particulate matter less than 10 μm in diameter as air pollution variables other than CO. Results Characteristics of the study population included age (66.2 ± 12.1 years), sex (male, 59.1%; female, 40.9%), and comorbidities (diabetes, 55.6%; hypertension, 14.4%). Concentration of CO was significantly associated with all-cause mortality in the three case-crossover designs using the two-pollutant model adjusted for SO2. Patients with diabetes or age older than 75 years had a higher risk of mortality than patients without diabetes or those younger than 75 years. Conclusion Findings presented here suggest that higher CO concentration is correlated with increased all-cause mortality in hemodialysis patients, especially in older high-risk patients. 
546 |a EN 
546 |a KO 
690 |a carbon monoxide 
690 |a elderly 
690 |a hemodialysis 
690 |a mortality 
690 |a Internal medicine 
690 |a RC31-1245 
690 |a Specialties of internal medicine 
690 |a RC581-951 
655 7 |a article  |2 local 
786 0 |n Kidney Research and Clinical Practice, Vol 41, Iss 5, Pp 601-610 (2022) 
787 0 |n http://www.krcp-ksn.org/upload/pdf/j-krcp-21-228.pdf 
787 0 |n https://doaj.org/toc/2211-9132 
787 0 |n https://doaj.org/toc/2211-9140 
856 4 1 |u https://doaj.org/article/8c9e8473b6814a89bb2d1d8ce8ec15a1  |z Connect to this object online.