Significant Bradycardia in Critically Ill Patients Receiving Dexmedetomidine and Fentanyl

Purpose. To report a case series of three patients who developed significant bradycardia while receiving the combination of dexmedetomidine and fentanyl for sedation and analgesia. Materials and Methods. This is a case series of patients obtained from a mixed medical, surgical, and cardiac ICU in a...

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Main Authors: Channing Hui, Maria Cardinale, Balaji Yegneswaran
Format: Article
Language:English
Published: Wiley 2017-01-01
Series:Case Reports in Critical Care
Online Access:http://dx.doi.org/10.1155/2017/4504207
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author Channing Hui
Maria Cardinale
Balaji Yegneswaran
author_facet Channing Hui
Maria Cardinale
Balaji Yegneswaran
author_sort Channing Hui
collection DOAJ
description Purpose. To report a case series of three patients who developed significant bradycardia while receiving the combination of dexmedetomidine and fentanyl for sedation and analgesia. Materials and Methods. This is a case series of patients obtained from a mixed medical, surgical, and cardiac ICU in a community teaching hospital. Three intubated patients receiving fentanyl and dexmedetomidine infusion developed sudden bradycardia requiring intervention. In all three cases, adjustments to therapy were required. Results. All three patients experienced significant bradycardia, with a heart rate less than 50 bpm, and one patient briefly developed asystole. In Case  1, the fentanyl infusion rate was reduced by 67% and the dexmedetomidine infusion rate was reduced by 25%. In Case  2, the sedation was changed to midazolam, and in Case  3, both fentanyl and dexmedetomidine were discontinued. In all three cases, there were no further incidences of significant bradycardia following intervention. Conclusions. Fentanyl used in combination with dexmedetomidine can result in clinically significant bradycardia. Further study is warranted to identify risk factors and elucidate the mechanisms that result in life-threatening bradycardia.
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spelling doaj-art-39e84d4774c64fbbb12e24d8a0221a932025-02-03T06:00:40ZengWileyCase Reports in Critical Care2090-64202090-64392017-01-01201710.1155/2017/45042074504207Significant Bradycardia in Critically Ill Patients Receiving Dexmedetomidine and FentanylChanning Hui0Maria Cardinale1Balaji Yegneswaran2Rutgers-Robert Wood Johnson Medical School, Department of Emergency Medicine, One Robert Wood Johnson Place, MEB 389, New Brunswick, NJ 08901, USAErnest Mario School of Pharmacy, Rutgers University, 160 Frelinghuysen Rd., Piscataway Township, NJ 08854, USASaint Peter’s University Hospital, 254 Easton Ave., New Brunswick, NJ 08901, USAPurpose. To report a case series of three patients who developed significant bradycardia while receiving the combination of dexmedetomidine and fentanyl for sedation and analgesia. Materials and Methods. This is a case series of patients obtained from a mixed medical, surgical, and cardiac ICU in a community teaching hospital. Three intubated patients receiving fentanyl and dexmedetomidine infusion developed sudden bradycardia requiring intervention. In all three cases, adjustments to therapy were required. Results. All three patients experienced significant bradycardia, with a heart rate less than 50 bpm, and one patient briefly developed asystole. In Case  1, the fentanyl infusion rate was reduced by 67% and the dexmedetomidine infusion rate was reduced by 25%. In Case  2, the sedation was changed to midazolam, and in Case  3, both fentanyl and dexmedetomidine were discontinued. In all three cases, there were no further incidences of significant bradycardia following intervention. Conclusions. Fentanyl used in combination with dexmedetomidine can result in clinically significant bradycardia. Further study is warranted to identify risk factors and elucidate the mechanisms that result in life-threatening bradycardia.http://dx.doi.org/10.1155/2017/4504207
spellingShingle Channing Hui
Maria Cardinale
Balaji Yegneswaran
Significant Bradycardia in Critically Ill Patients Receiving Dexmedetomidine and Fentanyl
Case Reports in Critical Care
title Significant Bradycardia in Critically Ill Patients Receiving Dexmedetomidine and Fentanyl
title_full Significant Bradycardia in Critically Ill Patients Receiving Dexmedetomidine and Fentanyl
title_fullStr Significant Bradycardia in Critically Ill Patients Receiving Dexmedetomidine and Fentanyl
title_full_unstemmed Significant Bradycardia in Critically Ill Patients Receiving Dexmedetomidine and Fentanyl
title_short Significant Bradycardia in Critically Ill Patients Receiving Dexmedetomidine and Fentanyl
title_sort significant bradycardia in critically ill patients receiving dexmedetomidine and fentanyl
url http://dx.doi.org/10.1155/2017/4504207
work_keys_str_mv AT channinghui significantbradycardiaincriticallyillpatientsreceivingdexmedetomidineandfentanyl
AT mariacardinale significantbradycardiaincriticallyillpatientsreceivingdexmedetomidineandfentanyl
AT balajiyegneswaran significantbradycardiaincriticallyillpatientsreceivingdexmedetomidineandfentanyl