Fluoroquinolones use linked to sudden cardiac death in dialysis patients: JAMA
A recent study published in the JAMA Cardiology finds the link between fluoroquinolone use with cardiac complications in the general population. Respiratory fluoroquinolone antibiotics are some of the most common medications with QT interval–prolonging potential prescribed to patients with hemodialysis-dependent kidney failure—individuals who have a very high risk of sudden cardiac...
A recent study published in the JAMA Cardiology finds the link between fluoroquinolone use with cardiac complications in the general population. Respiratory fluoroquinolone antibiotics are some of the most common medications with QT interval–prolonging potential prescribed to patients with hemodialysis-dependent kidney failure—individuals who have a very high risk of sudden cardiac death (SCD). To date, there have been no large-scale, population-specific studies evaluating the cardiac safety of respiratory fluoroquinolones in the hemodialysis population.
A team of researchers conducted a study to investigate the cardiac safety of respiratory fluoroquinolones among individuals with hemodialysis-dependent kidney failure.
A retrospective cohort study examining safety using an active comparator new-user design was conducted using administrative claims data from a US-wide kidney failure registry from January 1, 2007, to December 31, 2016, including 264 968 Medicare beneficiaries receiving in-centre maintenance hemodialysis. Data analysis was performed from January 4 to August 16, 2021.
They were exposed to Respiratory fluoroquinolone (levofloxacin or moxifloxacin) vs amoxicillin-based (amoxicillin or amoxicillin with clavulanic acid) antibiotic treatment.
The results of the study are as follows:
- The study cohort included 264 968 unique in-centre hemodialysis patients and 626 322 study antibiotic treatment episodes: 251 726 respiratory fluoroquinolone treatment episodes (40.2%) and 374 596 amoxicillin-based treatment episodes (59.8%). Of the 264 968 patients, 135 236 (51.0%) were men, and the mean (SD) age was 61 (15) years.
- Respiratory fluoroquinolone vs amoxicillin-based antibiotic treatment was associated with a higher relative and absolute 5-day risk of SCD
- Respiratory fluoroquinolone vs amoxicillin-based antibiotic treatment was not associated with the 5-day risk of fracture.
The researchers concluded that in this study, compared with amoxicillin-based antibiotic treatment, respiratory fluoroquinolone treatment was associated with a higher short-term risk of SCD among patients with hemodialysis-dependent kidney failure. This finding suggests that decisions between the use of respiratory fluoroquinolones and amoxicillin-based antibiotics should be individualized, with prescribers considering both the clinical benefits and potential cardiac risks.
Reference:
Analysis of Respiratory Fluoroquinolones and the Risk of Sudden Cardiac Death Among Patients Receiving Hemodialysis by Magdalene M. Assimon published in the JAMA Cardiol.
doi:10.1001/jamacardio.2021.4234
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