Abstract
The present study evaluated the cardiovascular changes related to anxiety of the patient undergoing local anesthesia injection for extraction in Indian population. In total, 100 Indian male patients were enrolled in the prospective study. Anxiety was measured at 15min before local anesthetic delivery using Corah's Dental Anxiety Scale (DAS). Cardiovascular response data including blood pressure, heart rate, oxygen saturation and electrocardiographic changes were measured at five time points from 5min before to 15min after the administration of anesthetic. The mean anxiety scale score before administration of anesthetic was 8.24 (±3.55) with a range from 4 to 20. Younger age was associated with a higher anxiety scale score. Severe preoperative anxiety (DAS>12) was associated with significantly increased heart rate and blood pressure during administration of anesthetic. Significant ECG change was present at the time and 5min after local anesthesia administration. Pain on injection was also associated with increased heart rate and blood pressure during anesthetic administration. The present study shows that significant cardiovascular changes do occur due to dental anxiety at the time of local anesthesia administration for tooth extraction in Indian population.
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