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Hoarseness after tracheal intubation.
Anaesthesia
|March 1, 1992
Summary
Hoarseness after short-term tracheal intubation is common, affecting 32% of patients. However, prolonged hoarseness is rare, with most cases resolving within seven days.
Area of Science:
- Anesthesiology
- Otolaryngology
- Critical Care Medicine
Background:
- Hoarseness is a potential complication of tracheal intubation.
- Previous estimates of permanent hoarseness following intubation vary, with some suggesting a 3% incidence.
Purpose of the Study:
- To prospectively investigate the incidence and duration of hoarseness after short-term tracheal intubation.
- To identify patient and anesthetic factors associated with postoperative hoarseness.
Main Methods:
- A prospective study involving 235 adult patients undergoing general anesthesia.
- 167 patients received tracheal intubation; postoperative hoarseness was assessed.
- Regression analysis was used to identify contributing factors.
Main Results:
- 54% of intubated patients (32%) reported hoarseness postoperatively.
- Most cases (all but five) resolved within 7 days.
- Two patients developed vocal cord granulomata, experiencing hoarseness for 54 and 99 days, respectively.
Conclusions:
- Short-term tracheal intubation results in a low incidence of prolonged or permanent hoarseness.
- Specific patient and anesthetic factors significantly influence the occurrence of hoarseness.
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