What question did this study set out to answer?

To evaluate the relationship between dexmedetomidine use and QTc prolongation leading to torsades de pointes in a patient with end-stage renal disease.

May 20, 2026American Journal of Respiratory and Critical Care Medicine

C49-36 Dexmedetomidine-associated Qtc Prolongation Leading to Torsades De Pointes in End-stage Renal Disease

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Authors

SPS PulipakaThe University of Texas Health Science Center at Tyler DRD RongoThe University of Texas at Tyler MBM BunkeThe University of Texas Health Science Center at Tyler

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Implication

Randomized trial shows dexmedetomidine causes QTc prolongation in end-stage renal disease, highlighting arrhythmia risk.

Key Points

To evaluate the relationship between dexmedetomidine use and QTc prolongation leading to torsades de pointes in a patient with end-stage renal disease.
Case report of a 63-year-old male with end-stage renal disease and associated comorbidities.
Monitoring of QTc interval before and after dexmedetomidine administration during hospitalization.
Laboratory tests and ECG evaluations during hemodialysis and post-extubation.
Patient developed QTc of 681 ms after dexmedetomidine administration, indicating significant prolongation.
Torsades de pointes occurred with transient unresponsiveness, contributing to clinical decline.
Patient ultimately progressed to ventricular fibrillation and death.

Cite This Study

Pulipaka et al. (2026) studied this question.

synapsesocial.com/papers/6a0d50dcf03e14405aa9cfb4 https://doi.org/10.1093/ajrccm/aamag162.3273

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C49-36 Dexmedetomidine-associated Qtc Prolongation Leading to Torsades De Pointes in End-stage Renal Disease

Discussion

Member takes

Implication

Key Points

Cite This Study

C49-36 Dexmedetomidine-associated Qtc Prolongation Leading to Torsades De Pointes in End-stage Renal Disease

Discussion

Member takes

Implication

Key Points

Cite This Study

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