Journal of clinical and diagnostic research : JCDR · 2015
The Effect of Statins Use on the Risk and Outcome of Acute Bacterial Infections in Adult Patients.
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Nassaji Mohammad, Ghorbani Raheb, Afshar Reza Kiaee
Аннотация
BACKGROUND: Beyond their lipid-lowering abilities, statins have anti-inflammatory and immunomodulatory properties. In view of these effects, a growing interest has emerged in the possible role of statins, in preventing or decreasing morbidity and mortality from infection.
OBJECTIVES: The aim of this study was to determine whether previous statin use is associated with reduced risk of acute bacterial infections and better outcome of these infections.
MATERIALS AND METHODS: In this historical cohort study, consecutive adult patients admitted with acute bacterial infection were enrolled. Control group were selected from adult outpatient and without history of acute bacterial infections. Acute bacterial infections included in this study were; pneumonia, acute pyelonephritis, cellulitis and sepsis with unknown origin. Data about baseline characteristics, co-morbidities and statins use of two groups was obtained.
RESULTS: Finally 144 patients met inclusion criteria and were enrolled. Same numbers of controls were selected. Two groups were matched based on most baseline characteristics and co-morbidities. The patients' categories were as follows: pneumonia 42.3%, acute pyelonephritis 23.6%, cellulitis 16% and sepsis 18%. From all participants 29.9% of patients and 45.8% controls were statin users. There was significant association between previous statin use and reduced risk of acute bacterial infections (Mantel Haenszel Weighted Odds Ratio=0.51, 95% CI: 0.30-0.85, p=0.009). Duration of hospitalization was significantly shorter in statin users (p=0.002). Hospital mortality rate was lower (14.6%) in statins users when compared with non-users (18.8%) with significant difference (p=0.028).
CONCLUSION: Prior therapy with statins is associated with considerably reduced onset of acute bacterial infections and better outcome in adult patients.
OBJECTIVES: The aim of this study was to determine whether previous statin use is associated with reduced risk of acute bacterial infections and better outcome of these infections.
MATERIALS AND METHODS: In this historical cohort study, consecutive adult patients admitted with acute bacterial infection were enrolled. Control group were selected from adult outpatient and without history of acute bacterial infections. Acute bacterial infections included in this study were; pneumonia, acute pyelonephritis, cellulitis and sepsis with unknown origin. Data about baseline characteristics, co-morbidities and statins use of two groups was obtained.
RESULTS: Finally 144 patients met inclusion criteria and were enrolled. Same numbers of controls were selected. Two groups were matched based on most baseline characteristics and co-morbidities. The patients' categories were as follows: pneumonia 42.3%, acute pyelonephritis 23.6%, cellulitis 16% and sepsis 18%. From all participants 29.9% of patients and 45.8% controls were statin users. There was significant association between previous statin use and reduced risk of acute bacterial infections (Mantel Haenszel Weighted Odds Ratio=0.51, 95% CI: 0.30-0.85, p=0.009). Duration of hospitalization was significantly shorter in statin users (p=0.002). Hospital mortality rate was lower (14.6%) in statins users when compared with non-users (18.8%) with significant difference (p=0.028).
CONCLUSION: Prior therapy with statins is associated with considerably reduced onset of acute bacterial infections and better outcome in adult patients.