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Aims: Chronic kidney disease consumes a huge amount of medical resources and proton pump inhibitors may be a potential factor for the increasing prevalence. This population-based cohort study investigates the risk of chronic kidney disease in a diabetic population using proton pump inhibitors in Taiwan., Methods: This study is based on a specific diabetic database obtained from the National Health Insurance Research Database. Individuals with a new diagnosis of diabetes from 2002 to 2013 were enrolled. "Exposure" to proton pump inhibitors was defined as at least one prescription and dosage over 180 DDD (defined daily dose) in one year after the index date. A multivariable Cox proportional hazard model and competing-risk regression model were applied., Results: There were 5994 patients in the final cohort of proton pump inhibitor users and 23,976 patients in the matched controlled cohort based on 1:4 propensity score matching. Compared with no exposure users, PPIs exposure group had more anemia prevalence, anti-hypertension medication and NSAIDs prescriptions. The multivariable Cox proportional hazard model showed that the adjusted hazard ratio of chronic kidney disease was 1.52 (95% CI 1.40-1.65) in diabetic individuals with PPIs exposure, compared with no exposure users., Conclusions: Proton pump inhibitors use is associated with 1.52-fold increased risk of chronic kidney disease in diabetic patients when the dosage is over 180 DDD in one year in Taiwan., (Copyright © 2018 The Authors. Published by Elsevier B.V. All rights reserved.)

Background: Those taking proton pump inhibitors (PPIs) might have a higher risk of acute kidney injury. The long-term safety, especially the PPI-associated chronic kidney disease (CKD) is the subsequent concern., Objective: This study explores the potential relationship between using PPIs and CKD in Taiwan., Methods: Using a database collated by the Taiwan National Health Insurance programme, we conducted a population-based case-controlled study to identify 16 704 cases of patients aged 20 years or older with newly diagnosed CKD between 2000 and 2013. 16 704 controls were randomly selected and were matched by sex, age and comorbidities. 'Use' of PPIs was defined as when subjects had received at least a prescription for PPIs before the index date. 'Non-use' was defined as subjects who had never received a prescription for PPIs before the index date. The odds ratio (OR) for CKD associated with the use of PPIs was estimated by a logistic regression model., Results: The OR for CKD was 1.41 for subjects using PPIs [95% confidence interval (CI) 1.34, 1.48] compared with subjects who had never used PPIs. Almost all major types of PPIs present a weak association with increased odds of CKD in cumulative duration and dosage regression analysis. The OR in relation to cumulative duration (per month) of PPIs use was 1.02 (95% CI 1.01, 1.02) and the OR in relation to cumulative dosage (per microgram) of PPIs use was 1.23 (95% CI 1.18, 1.28)., Conclusions: Using PPIs presented 1.4-fold higher odds of CKD in Taiwan health insurance claims data analysis.

Background/objective: Little is known about the relationship between proton pump inhibitors use and pyogenic liver abscess. The objective of this study was to evaluate the correlation between proton pump inhibitors use and pyogenic liver abscess in Taiwan., Methods: This was a population-based case-control study using the database of the Taiwan National Health Insurance Program since 2000 to 2011. Subjects aged 20 to 84 who experienced their first episode of pyogenic liver abscess were enrolled as the case group (n = 1372). Randomly selected subjects aged 20 to 84 without pyogenic liver abscess were enrolled as the control group (n = 1372). Current use, early use, and late use of proton pump inhibitors was defined as subjects whose last one tablet for proton pump inhibitors was noted ≤30 days, between 31 to 90 days and ≥91 days before the date of admission for pyogenic liver abscess. Subjects who never received a prescription for proton pump inhibitors were defined as nonusers of proton pump inhibitors. A multivariable unconditional logistic regression model was used to measure the odds ratio and 95% confidence interval to evaluate the correlation between proton pump inhibitors use and pyogenic liver abscess., Results: After adjusting for confounders, the adjusted odds ratio of pyogenic liver abscess was 7.59 for subjects with current use of proton pump inhibitors (95% confidence interval 5.05, 11.4), when compared with nonusers., Conclusions: Current use of proton pump inhibitors is associated with a greater risk of pyogenic liver abscess.

Background: Those taking proton pump inhibitors (PPIs) might have a higher risk of acute kidney injury. The long-term safety, especially the PPI-associated chronic kidney disease (CKD) is the subsequent concern.Objective: This study explores the potential relationship between using PPIs and CKD in Taiwan.Methods: Using a database collated by the Taiwan National Health Insurance programme, we conducted a population-based case-controlled study to identify 16 704 cases of patients aged 20 years or older with newly diagnosed CKD between 2000 and 2013. 16 704 controls were randomly selected and were matched by sex, age and comorbidities. 'Use' of PPIs was defined as when subjects had received at least a prescription for PPIs before the index date. 'Non-use' was defined as subjects who had never received a prescription for PPIs before the index date. The odds ratio (OR) for CKD associated with the use of PPIs was estimated by a logistic regression model.Results: The OR for CKD was 1.41 for subjects using PPIs [95% confidence interval (CI) 1.34, 1.48] compared with subjects who had never used PPIs. Almost all major types of PPIs present a weak association with increased odds of CKD in cumulative duration and dosage regression analysis. The OR in relation to cumulative duration (per month) of PPIs use was 1.02 (95% CI 1.01, 1.02) and the OR in relation to cumulative dosage (per microgram) of PPIs use was 1.23 (95% CI 1.18, 1.28).Conclusions: Using PPIs presented 1.4-fold higher odds of CKD in Taiwan health insurance claims data analysis. [ABSTRACT FROM AUTHOR]

A letter to the editor is presented related to the use of proton pump inhibitors in acid suppression and hypochlorhydria and increase in gastrin level.