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Prolonged injection time and light smoking decrease the incidence of fentanyl-induced cough.

Jui-An Lin1, Chun-Chang Yeh, Meei-Shyuan Lee

  • 1Department of Anesthesiology, Tri-Service General Hospital and National Defense Medical Center, National Defense University, Taipei, Taiwan, Republic of China.

Anesthesia and Analgesia
|August 24, 2005
PubMed
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Slower injection times significantly reduce fentanyl-induced cough. Light smoking may also offer protection against this common side effect during anesthesia.

Area of Science:

  • Anesthesiology
  • Pharmacology

Background:

  • Fentanyl is a commonly used opioid anesthetic.
  • Fentanyl-induced cough is a frequent adverse event during induction of anesthesia.
  • Factors influencing fentanyl-induced cough require further investigation.

Purpose of the Study:

  • To investigate the impact of fentanyl injection duration on cough incidence.
  • To assess the influence of smoking status on fentanyl-induced cough.

Main Methods:

  • A randomized controlled trial involving 450 patients undergoing elective surgery.
  • Patients received fentanyl via intravenous injection over 2, 15, or 30 seconds.
  • Cough frequency was recorded during and after fentanyl administration.
  • Smoking status was documented and categorized.

Related Experiment Videos

Main Results:

  • Cough incidence decreased significantly with longer injection times (18% for 2s, 8% for 15s, 1.3% for 30s).
  • Current smokers experienced less frequent cough compared to non-smokers.
  • This protective effect of smoking was significant only in light smokers.

Conclusions:

  • Administering fentanyl over a longer period (15-30 seconds) effectively reduces the incidence of fentanyl-induced cough.
  • Light smoking may act as a protective factor against fentanyl-induced cough, warranting further research.