The Effects of Lavender and Rosemary Extracts on Sore Throat and Hoarseness After Endotracheal Intubation in Patients Undergoing Percutaneous Nephrolithotomy: A Randomized Clinical Trial
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Abstract
Purpose
This study aimed to compare the effects of lavender and rosemary extracts on sore throat and hoarseness after endotracheal intubation in patients undergoing percutaneous nephrolithotomy.
Design
Randomized clinical trial.
Methods
This study was conducted on 90 patients undergoing percutaneous nephrolithotomy at Bahonar Hospital in Kerman in 2021. The patients were selected by convenience sampling method and randomly assigned to three groups: lavender, rosemary, and control. After general anesthesia with endotracheal intubation, an anesthesiologist put sterile gauzes impregnated with 3 cc of rosemary and lavender extracts into patients’ throats in the intervention groups, while the control group received 3 cc of distilled water. After the surgery, the gauzes and tracheal tubes were removed and the patients were transferred to the postanesthesia care unit (PACU), their sore throat and hoarseness were measured and recorded during and 2 to 6 to 24 hours after recovery. A significance level of < .05 was considered.
Findings
The study results showed a significant difference in the severity of sore throat between the 3 groups 2, 6, and 24 hours after surgery; sore throat in the rosemary group and then in the lavender group was lower than that in the control group (P < .05). The results also indicated a significant difference in hoarseness intensity between the three groups 2 and 6 hours after surgery; hoarseness intensity in the rosemary and lavender groups was lower than that in the control group, but it was not different between 3 groups 24 hours after surgery (P < .05).
Conclusions
Rosemary and lavender extracts had a positive effect on sore throat and hoarseness. As these herbs cause no complications in patients and are available and inexpensive, further studies are necessary to confirm the use of these herbs during intubation.
期刊介绍：
The Journal of PeriAnesthesia Nursing provides original, peer-reviewed research for a primary audience that includes nurses in perianesthesia settings, including ambulatory surgery, preadmission testing, postanesthesia care (Phases I and II), extended observation, and pain management. The Journal provides a forum for sharing professional knowledge and experience relating to management, ethics, legislation, research, and other aspects of perianesthesia nursing.
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