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Induction-intubation response--smokers vs non-smokers--.
S K Malhotra1, S Singh, A Bajaj
1Department of Anaesthesia and Intensive Care and Hematology, Postgraduate Institute of Medical Education and Research, Chandigarh, India. drskmalhotra@yahoo.com
Middle East Journal of Anaesthesiology
|December 31, 2005
Summary
Smokers undergoing surgery exhibit greater cardiovascular instability during anesthesia induction and intubation compared to non-smokers. This highlights increased perioperative risks for patients who continue to smoke before procedures.
Area of Science:
- Anesthesiology
- Cardiovascular Physiology
- Respiratory Medicine
Background:
- Tobacco smoking poses significant perioperative risks.
- Despite declining consumption, many surgical patients continue to smoke.
- Understanding smoking's impact on anesthesia induction is crucial.
Purpose of the Study:
- To compare the induction-intubation response in smokers versus non-smokers.
- To assess hemodynamic and respiratory differences during anesthetic induction.
- To identify risks associated with smoking in the perioperative period.
Main Methods:
- 40 male ASA-I patients were divided into smokers and non-smokers.
- Standard premedication and general anesthesia were administered.
- Hemodynamic parameters (HR, BP, RPP) and EKG were monitored.
- Carboxyhemoglobin and arterial blood gases were analyzed.
Main Results:
- Smokers had a higher incidence of arrhythmias (30% vs. 10%).
- Mean carboxyhemoglobin levels were elevated in smokers.
- Cardiovascular parameters showed more pronounced fluctuations in smokers (p < 0.05).
- PaO2 and PaCO2 levels were comparable between groups.
Conclusions:
- Smokers experience greater hemodynamic instability during anesthetic induction and intubation.
- Continued smoking increases perioperative cardiovascular risks.
- Anesthesiologists should be aware of these heightened risks in smokers.