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Stratified risks of infection-related hospitalization in patients with chronic kidney disease - A prospective cohort study.

ABSTRACT: Patients with chronic kidney disease (CKD) are at high risk of infection, but whether the risks are attenuated in different patient groups remains unclear. This study enrolled participants with CKD stages 1-3?in the New Taipei City Health Screening Program between 2005 and 2008. A proportional hazard regression model was employed to calculate the hazard ratios (HRs) and 95% confidence intervals (CIs) for infection-related hospitalization and mortality in younger (<50-year-old) and older (?50-year-old) CKD patients. Of 119,871 adults, there were 14,207 cases of first hospitalization for infection during a median follow-up of 8.14 years; 45.5% of these cases were younger patients. Unlike CKD stage 1 and 2 patients, the risk of infection-related hospitalization in younger CKD stage 3 patients is as high as for older CKD stage 3 patients. Proteinuria increases the risk of infection-related hospitalization independent of estimated glomerular filtration rate (eGFR) levels in older CKD patients but this relationship is weak in their younger counterparts. In conclusion, the risk of infection-related hospitalization is high in subgroups of CKD patients. Prevention and treatment of infections in these patients merit more attention.

SUBMITTER: Yang WS

PROVIDER: S-EPMC7066158 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Stratified risks of infection-related hospitalization in patients with chronic kidney disease - A prospective cohort study.

Yang Wei-Shun WS Chang Yi-Cheng YC Hsieh Meng-Lun ML Wang Jiun-Ling JL Wu Li-Chiu LC Chang Chia-Hsuin CH

Scientific reports 20200311 1

Patients with chronic kidney disease (CKD) are at high risk of infection, but whether the risks are attenuated in different patient groups remains unclear. This study enrolled participants with CKD stages 1-3 in the New Taipei City Health Screening Program between 2005 and 2008. A proportional hazard regression model was employed to calculate the hazard ratios (HRs) and 95% confidence intervals (CIs) for infection-related hospitalization and mortality in younger (<50-year-old) and older (≥50-yea ...[more]

PMID: 32161271

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Project description:INTRODUCTION:Chronic kidney disease (CKD) risk staging is based on estimated glomerular filtration rate (eGFR) and albumin-creatinine ratio (ACR). However, the relationship between all-cause hospitalization risk and the current CKD staging system has not been well studied among older adults, despite a high prevalence of CKD and a high risk of hospitalization in old age. METHODS:Among 4,766 participants of the Atherosclerosis Risk in Communities study, CKD was staged according to Kidney Disease Improving Global Outcomes (KDIGO) criteria, using creatinine-based eGFR (eGFRcr) and ACR. Incidence rates of all-cause hospitalization associated with each CKD risk group were analyzed using negative binomial regression. Additionally, cause-specific hospitalization risks for cardiovascular, infectious, kidney, and other diseases were estimated. The impacts of using cystatin C-based eGFR (eGFRcys) to estimate the prevalence of CKD and risks of hospitalization were also quantified. RESULTS:Participants experienced 5,548 hospitalizations and 29% had CKD. Hospitalization rates per 1,000 person-years according to KDIGO risk categories were 208-223 ("low risk"), 288-376 ("moderately increased risk"), 363-548 ("high risk"), and 499-1083 ("very high risk"). The increased risk associated with low eGFR and high ACR persisted in adjusted analyses, examinations of cause-specific hospitalizations, and when CKD was staged by eGFRcys or eGFRcr-cys, a combined equation based on both creatinine and cystatin C. In comparison to eGFRcr, staging by eGFRcys increased the prevalence of CKD to 50%, but hospitalization risks remained similarly high. DISCUSSION/CONCLUSION:In older adults, decreased eGFR, increased ACR, and KDIGO risk stages based on a combination of these measures, were strong risk factors for hospitalization. These relationships were consistent, regardless of the marker used to estimate GFR, but the use of cystatin C resulted in a substantially higher prevalence of CKD than the use of creatinine. Older adults in the population with very high risk stages of CKD have hospitalization rates exceeding 500 per 1,000 person-years.

Project description:BackgroundExisting evidence remains inconclusive as to the association between chronic hepatitis B virus (HBV) infection and the risk of chronic kidney disease (CKD). We prospectively examined the association between chronic HBV infection and CKD risk, and the joint associations of HBV infection with established risk factors of several lifestyle factors and prevalent diseases on CKD risk.MethodsParticipants from the China Kadoorie Biobank were enrolled during 2004-2008 and followed up until 31 December 2015. After excluding participants with previously diagnosed CKD, cancer, heart disease, and stroke at baseline, the present study included 469,459 participants. Hepatitis B surface antigen (HBsAg) was qualitatively tested at baseline. Incident CKD cases were identified mainly through the health insurance system and disease and death registries.ResultsDuring a median follow-up of 9.1 years (4.2 million person-years), we documented 4555 incident cases of CKD. Cox regression yielded multivariable-adjusted hazard ratios (HRs) and 95% confidence intervals (CIs). Compared with HBsAg-negative participants, the multivariable-adjusted HR (95% CI) for CKD was 1.37 (1.18, 1.60) for HBsAg-positive participants. The association was stronger in men (HR = 1.77; 95% CI: 1.43, 2.20) than in women (HR = 1.10; 95% CI: 0.88, 1.36). HBsAg-positive participants, with or without hepatitis or cirrhosis, whether or not under treatment, all showed increased risk of developing CKD. We observed positive additive interactions of HBsAg positivity with smoking, physical inactivity, or diabetes on CKD risk. Compared with HBsAg-negative participants who were nonsmokers, more physically active, or did not have diabetes at baseline, the greatest CKD risk for HBsAg-positive participants was for those who were smokers (HR = 1.85; 95% CI: 1.44, 2.38), physically inactive (HR = 1.91; 95% CI: 1.52, 2.40), or diabetic (HR = 6.11; 95% CI: 4.47, 8.36).ConclusionsIn countries with a high endemicity of HBV infection, kidney damage associated with chronic HBV infection should be a non-negligible concern. Our findings also highlight the importance of health advice on quitting smoking, increasing physical activity, improving glucose control, and early screening for CKD in people with chronic HBV infection.

Dataset Information

Stratified risks of infection-related hospitalization in patients with chronic kidney disease - A prospective cohort study.

Publications

Stratified risks of infection-related hospitalization in patients with chronic kidney disease - A prospective cohort study.

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