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  • Title: A completed audit cycle on post-tonsillectomy haemorrhage rate: coblation versus standard tonsillectomy.
    Author: Javed F, Sadri M, Uddin J, Mortimore S, Parker D.
    Journal: Acta Otolaryngol; 2007 Mar; 127(3):300-4. PubMed ID: 17364368.
    Abstract:
    CONCLUSION: A significant reduction in post-tonsillectomy secondary haemorrhage rate was observed after coblation tonsillectomy was abandoned in our department. OBJECTIVE: Comparison of the postoperative haemorrhage rate following coblation tonsillectomy and routine dissection tonsillectomy. PATIENTS AND METHODS: This was a retrospective study. In the first audit period, 441 sequential tonsillectomies between January and September 2002 were reviewed. Coblation was compared with cold steel and diathermy dissection with either ties and/or diathermy used for haemostasis. Coblation tonsillectomy was subsequently abandoned in our unit and, in the second audit period, all tonsillectomies (n=416) between July 2003 and August 2004 were included. Statistical analysis was performed using the chi2 test. RESULTS: The overall primary haemorrhage rate in the first audit cycle was 1.8% (8/441). In the second cycle with no coblation procedures, 1.4% of patients (6/416) suffered from primary haemorrhage (c.f. 8/441 (1.8%) in the first cycle, p=0.666). Secondary haemorrhage, was seen among 15.4% of patients (68/441) in the first audit cycle. In the second cycle, after coblation was discontinued, the secondary haemorrhage rate fell significantly (p<0.001) to 5.8% (24/416). A breakdown of the results of cold steel/diathermy and coblation techniques in both adults and children is also presented.
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