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Preemptive peritonsillar infiltration with lidocaine for relief of bipolar adult post-tonsillectomy pain: a randomized, double-blinded clinical study.

Author(s): Liang H(1), Wang Q, Cheng H, Cui X, Guo Y.

Affiliation(s): Author information: (1)Department of Otolaryngology, Shandong Provincial Hospital, Shandong University, 16866, Jingshi Road, Jinan, Shandong, China, lianghui930@yahoo.com.

Publication date & source: 2013, Eur Arch Otorhinolaryngol. , 270(12):3195-8

There are discordant results in the studies of the peritonsillar infiltration in adults undergoing the tonsillectomy. The study is to compare the effect of the preemptive peritonsillar infiltration with lidocaine in bipolar tonsillectomy in adult. 172 adult patients were randomly located into five groups before tonsillectomy: group 0: without the peritonsillar infiltration, group 1: for 3 ml normal saline with 1:200,000 epinephrine per tonsil, group 2: for 3 ml 1 %lidocaine with 1:200,000 epinephrine per tonsil, group 3: for 8 ml normal saline with 1:200,000 epinephrine per tonsil, group 4: for 8 ml lidocaine with 1:200,000 epinephrine per tonsil. The post-operative pain in the following 7 days was assessed by visual analog scale. Operation time and post-operative bleeding were also recorded. No significant differences were found between operative times, post-tonsillectomy hemorrhage between the five groups. The differences between pain scores of the group 0, group 1 and group 2 were not statistically significant (P > 0.05). The differences between pain scores of group 3, group 4 against group 0, group 1, group 2 were statistically significant (P < 0.05). We found the volume of peritonsillar infiltration might contribute to the relief of pain of the bipolar post-tonsillectomy.

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