Secondhand smoke is associated with a higher risk of chronic kidney disease.
Cigarette smoking and exposure to secondhand smoking have been linked with higher risks of various diseases, but their effects on kidney health are unclear. A new study has found a link between exposure to secondhand smoke and the development of chronic kidney disease (CKD). The study appears in an upcoming issue of the Clinical Journal of the American Society of Nephrology(CJASN).
The study further emphasizes strengthening public smoking restriction policies and supporting educational programs about the harms of secondhand smoke. The legislative and legal restriction has not yielded desirable results.
Korean Researchers led by Jung Tak Park, MD, PhD (Yonsei University College of Medicine) and Jong Hyun Jhee, MD (Inha University College of Medicine) conducted a study to investigate the association between secondhand smoke exposure and CKD in adults who had never smoked.
The study included 131,196 never-smokers who participated in the Korean Genome and Epidemiology Study from 2001 to 2014. Participants were classified into 3 groups based on frequency of secondhand smoke exposure as assessed with survey questionnaires: no-exposure, less than 3 days per week of exposure, and 3 or more days per week of exposure.
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Participants with less than 3 days per week and those with 3 or more days per week of exposure had 1.48-times and 1.44-times higher odds of having CKD when compared with participants with no secondhand cigarette exposure.
In an additional analysis, the researchers assessed the risk of receiving a new diagnosis of CKD over an average follow-up of 8.7 years among 1,948 participants. Compared with the no-exposure group, the risk for developing CKD was 66% and 59% higher in participants with 3 or more days per week and less than 3 days per week of exposure, respectively.
“Secondhand smoke exposure at home or in the workplace is still prevalent despite legislative actions prohibiting public smoking. This exposure was found to be clearly related with CKD, even with less-frequent amounts of secondhand smoke exposure,” said Dr. Park.
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Author Dr.Kartikeya Kohli DNB (Medicine), MRCP, Fellow DNB(Nephrology) is a Consultant Physician and Nephrologist at Sanjeevan Hospital, New Delhi