Sheng Lqian, Chen Kezhi (Department of Stomatology, the 4th Municipal Hospital, Xian)
1,250 cases of tooth extraction with auricular injection of saline as the analgesic measure were presented. The results of skin temperature changes and analgesic mechanism of auricular normal saline injection were discussed.
Areas 1 & 4 of auricular lobule (points for tooth extraction), points of adrenal gland and laryngodental were used separately or in combination as the injection sites. Areas 6 & 9 (indifferent points) were used as control. 0.3-0.5 ml of 0.9% solution of sodium chloride was injected subcutaneously at the aurricular points. 10 to 15 minutes after the injection, the patients complained of local numbness, swelling and warmth; and operation could be performed. The analgesia efficacy of different points or point combinations fluctuated between 56.7-69.4%. The analgesic effects in 110 cases by anesthetics and 1250 cases by saline injection were compared. The analgesia rate in the anesthetics group was 81.8%, while 65.6% was for the group of auricular saline injection. The difference was statistically significant (P<0.05).
The analgesia condition of 390 cases after injection of normal saline at the 1 & 4 areas were studied. The analgesia rate was 81.3% for those accompanied with warmth sensation and it reduced to 64.6% in those without warmth sensation. The analgesic effects were similar in those having warmth sensation after saline injection and those by anesthetics.
The changes in skin temperature were studied in 26 cases anesthetized by auricular saline injection in tooth extraction. There were 18 cases (69%) with skin temperature elevation. All of them obtained better results, but not in temperature reduced or no change group.
Author also discussed the possible mechanism of analgesic effects of the auricular saline injection.
1,250 cases of tooth extraction with auricular injection of saline as the analgesic measure were presented. The results of skin temperature changes and analgesic mechanism of auricular normal saline injection were discussed.
Areas 1 & 4 of auricular lobule (points for tooth extraction), points of adrenal gland and laryngodental were used separately or in combination as the injection sites. Areas 6 & 9 (indifferent points) were used as control. 0.3-0.5 ml of 0.9% solution of sodium chloride was injected subcutaneously at the aurricular points. 10 to 15 minutes after the injection, the patients complained of local numbness, swelling and warmth; and operation could be performed. The analgesia efficacy of different points or point combinations fluctuated between 56.7-69.4%. The analgesic effects in 110 cases by anesthetics and 1250 cases by saline injection were compared. The analgesia rate in the anesthetics group was 81.8%, while 65.6% was for the group of auricular saline injection. The difference was statistically significant (P<0.05).
The analgesia condition of 390 cases after injection of normal saline at the 1 & 4 areas were studied. The analgesia rate was 81.3% for those accompanied with warmth sensation and it reduced to 64.6% in those without warmth sensation. The analgesic effects were similar in those having warmth sensation after saline injection and those by anesthetics.
The changes in skin temperature were studied in 26 cases anesthetized by auricular saline injection in tooth extraction. There were 18 cases (69%) with skin temperature elevation. All of them obtained better results, but not in temperature reduced or no change group.
Author also discussed the possible mechanism of analgesic effects of the auricular saline injection.
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