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  • Title: Correlation between Brodsky Tonsil Scale and Tonsil Volume in Adult Patients.
    Author: Lu X, Zhang J, Xiao S.
    Journal: Biomed Res Int; 2018; 2018():6434872. PubMed ID: 30474041.
    Abstract:
    PURPOSE: To evaluate the value of Brodsky tonsil scale in predicting the objective tonsil volume and to identify the potential factors that might interfere with the accuracy of prediction. METHODS: A total of 87 adult patients who underwent single tonsillectomy or uvulopalatopharyngoplasty (UPPP) procedure including tonsillectomy in our hospital between Jan 2015 and Dec 2016 were included. The data of Brodsky tonsil scale evaluated preoperatively and objective tonsil volume evaluated postoperatively were collected for analysis. RESULTS: Among the 87 adult patients included, 85 patients underwent bilateral tonsillectomy, while only 2 underwent unilateral procedure. Therefore, a total of 172 tonsils were included. Significant positive correlations were established between Brodsky scale and objective volume for either right (R = 0.647), left (R = 0.664), or overall tonsils (R = 0.654) (all p < 0.001). However, volume overlaps could be found between 2+ and 3+ tonsils. Age [odds ratio (OR) = 4.053, p = 0.003] and body mass index (BMI; OR=1.740, p = 0.044) were found to be independent factors that could influence the consistency between the Brodsky scale and objective volume. As a result, a formula "Index = -1.409+1.399×age+0.554×BMI" was constructed for the evaluation of the consistency. CONCLUSION: Tonsil grading was significantly correlated with tonsil volume; preoperative tonsil grading that reflected the real tonsil volume was regarded as the protocol for the evaluation of the tonsil size. Age and BMI were independent factors that could affect the consistency between tonsil grade and tonsil volume. A mathematical model was estimated to predict the consistency accurately.
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