Protective effect of N-acetylcysteine in prosthetic joint infection: A nationwide population-based cohort study

Purpose: This nationwide population-based retrospective cohort study evaluated the protective effect of N-acetylcysteine against prosthetic joint infection after hip or knee joint replacement. Methods: Patients receiving N-acetylcysteine after hip or knee joint replacement between 2000 and 2015 were...

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Main Authors: Chan-Yuan Chang, Wu-Chien Chien, Chi-Hsiang Chung, Chang-Huei Tsao, Fu-Huang Lin, Feng-Yee Chang, Shih-Ta Shang, Yung-Chih Wang
Format: Article
Language:English
Published: Elsevier 2020-04-01
Series:Journal of Microbiology, Immunology and Infection
Online Access:http://www.sciencedirect.com/science/article/pii/S1684118218302111
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author Chan-Yuan Chang
Wu-Chien Chien
Chi-Hsiang Chung
Chang-Huei Tsao
Fu-Huang Lin
Feng-Yee Chang
Shih-Ta Shang
Yung-Chih Wang
author_facet Chan-Yuan Chang
Wu-Chien Chien
Chi-Hsiang Chung
Chang-Huei Tsao
Fu-Huang Lin
Feng-Yee Chang
Shih-Ta Shang
Yung-Chih Wang
author_sort Chan-Yuan Chang
collection DOAJ
description Purpose: This nationwide population-based retrospective cohort study evaluated the protective effect of N-acetylcysteine against prosthetic joint infection after hip or knee joint replacement. Methods: Patients receiving N-acetylcysteine after hip or knee joint replacement between 2000 and 2015 were identified from the Taiwan National Health Insurance Research Database. Each patient receiving N-acetylcysteine was matched to four controls based on age, sex, and index year. All subjects were followed-up from the index date to December 31, 2015. The Cox proportional hazards regression model was used to assess the risk of prosthetic joint infection. Results: A total of 1478 patients were included in the study group, and 5912 matched subjects not receiving N-acetylcysteine were included in the control group. After adjusting for age, sex, insured premium, comorbidities, and immunosuppressive agent use, no significant difference in the risk of prosthetic joint infection was found between the two groups. A higher N-acetylcysteine dose (>360 cumulative defined daily dose) significantly decreased the risk of prosthetic joint infection (adjusted hazard ratio = 0.891; 95% confidence interval = 0.599–0.989; p = 0.042). The protective effect of N-acetylcysteine was observed only in the group of prosthetic joint infection within 5 years (adjusted hazard ratio = 0.801; 95% confidence interval = 0.581–0.980; p = 0.040). Conclusions: High cumulative dose of N-acetylcysteine (>360 cumulative defined daily dose) can effectively reduce the risk of prosthetic joint infection in patients undergoing knee or hip joint replacement surgery within 5 years. Keywords: Biofilm, N-acetylcysteine, Prosthetic joint infection
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spelling doaj.art-c9aa84dca4f34bad9057f64908063b022022-12-21T19:51:40ZengElsevierJournal of Microbiology, Immunology and Infection1684-11822020-04-01532225233Protective effect of N-acetylcysteine in prosthetic joint infection: A nationwide population-based cohort studyChan-Yuan Chang0Wu-Chien Chien1Chi-Hsiang Chung2Chang-Huei Tsao3Fu-Huang Lin4Feng-Yee Chang5Shih-Ta Shang6Yung-Chih Wang7Department of Medicine, Hualien-Armed Forces General Hospital, Hualien County, Taiwan; Division of Infectious Diseases and Tropical Medicine, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei City, TaiwanSchool of Public Health, National Defense Medical Center, Taipei City, Taiwan; Department of Medical Research, Tri-Service General Hospital, National Defense Medical Center, Taipei City, TaiwanSchool of Public Health, National Defense Medical Center, Taipei City, Taiwan; Taiwanese Injury Prevention and Safety Promotion Association (TIPSPA), Taipei City, TaiwanDepartment of Medical Research, Tri-Service General Hospital, National Defense Medical Center, Taipei City, TaiwanSchool of Public Health, National Defense Medical Center, Taipei City, TaiwanDivision of Infectious Diseases and Tropical Medicine, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei City, TaiwanDivision of Infectious Diseases and Tropical Medicine, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei City, Taiwan; Department of Internal Medicine, Armed Forces Taoyuan General Hospital, Taoyuan City, Taiwan; Corresponding author. Department of Internal Medicine, Armed Forces Taoyuan General Hospital, No. 168, Chong Shin Road, Lungtan District, Taoyuan City, Taiwan.Division of Infectious Diseases and Tropical Medicine, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei City, Taiwan; Corresponding author. Division of Infectious Diseases and Tropical Medicine, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, No. 325, Sec. 2, Chenggong Road, Neihu District, Taipei City, Taiwan. Fax: +886 2 87927258.Purpose: This nationwide population-based retrospective cohort study evaluated the protective effect of N-acetylcysteine against prosthetic joint infection after hip or knee joint replacement. Methods: Patients receiving N-acetylcysteine after hip or knee joint replacement between 2000 and 2015 were identified from the Taiwan National Health Insurance Research Database. Each patient receiving N-acetylcysteine was matched to four controls based on age, sex, and index year. All subjects were followed-up from the index date to December 31, 2015. The Cox proportional hazards regression model was used to assess the risk of prosthetic joint infection. Results: A total of 1478 patients were included in the study group, and 5912 matched subjects not receiving N-acetylcysteine were included in the control group. After adjusting for age, sex, insured premium, comorbidities, and immunosuppressive agent use, no significant difference in the risk of prosthetic joint infection was found between the two groups. A higher N-acetylcysteine dose (>360 cumulative defined daily dose) significantly decreased the risk of prosthetic joint infection (adjusted hazard ratio = 0.891; 95% confidence interval = 0.599–0.989; p = 0.042). The protective effect of N-acetylcysteine was observed only in the group of prosthetic joint infection within 5 years (adjusted hazard ratio = 0.801; 95% confidence interval = 0.581–0.980; p = 0.040). Conclusions: High cumulative dose of N-acetylcysteine (>360 cumulative defined daily dose) can effectively reduce the risk of prosthetic joint infection in patients undergoing knee or hip joint replacement surgery within 5 years. Keywords: Biofilm, N-acetylcysteine, Prosthetic joint infectionhttp://www.sciencedirect.com/science/article/pii/S1684118218302111
spellingShingle Chan-Yuan Chang
Wu-Chien Chien
Chi-Hsiang Chung
Chang-Huei Tsao
Fu-Huang Lin
Feng-Yee Chang
Shih-Ta Shang
Yung-Chih Wang
Protective effect of N-acetylcysteine in prosthetic joint infection: A nationwide population-based cohort study
Journal of Microbiology, Immunology and Infection
title Protective effect of N-acetylcysteine in prosthetic joint infection: A nationwide population-based cohort study
title_full Protective effect of N-acetylcysteine in prosthetic joint infection: A nationwide population-based cohort study
title_fullStr Protective effect of N-acetylcysteine in prosthetic joint infection: A nationwide population-based cohort study
title_full_unstemmed Protective effect of N-acetylcysteine in prosthetic joint infection: A nationwide population-based cohort study
title_short Protective effect of N-acetylcysteine in prosthetic joint infection: A nationwide population-based cohort study
title_sort protective effect of n acetylcysteine in prosthetic joint infection a nationwide population based cohort study
url http://www.sciencedirect.com/science/article/pii/S1684118218302111
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