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  • Title: HPV genotype is a prognosticator for recurrence of respiratory papillomatosis in children.
    Author: Nogueira RL, Küpper DS, do Bonfim CM, Aragon DC, Damico TA, Miura CS, Passos IM, Nogueira ML, Rahal P, Valera FCP.
    Journal: Clin Otolaryngol; 2021 Jan; 46(1):181-188. PubMed ID: 32869523.
    Abstract:
    OBJECTIVES: This study aimed to compare the prognosis according to age, genotype or human papillomavirus (HPV) variant in patients with recurrent respiratory papillomatosis (RRP). DESIGN: Non-concurrent cohort. PARTICIPANTS: Forty one patients with RRP. SETTING: Tertiary referral hospital. MAIN OUTCOME MEASURES: Disease severity was defined by the number of surgeries performed, and Derkay score at surgeries, obtained from medical records. HPV was detected and genotyped, and HPV-6 variants were also assessed. RESULTS: Fifteen (36.58%) individuals belonged to the juvenile RRP group (JoRRP, less than 18 years), while 26 patients (63.41%) were allocated at the adult group (AoRRP, equal or more than 18 years). JoRRP patients needed, in average, a higher number of surgeries to control the disease than AoRRP patients (mean difference: 3.36). Also, JoRRP patients showed a higher Derkay score at each surgery (mean difference: 3.76). There was no significant difference in the number of surgeries when we compared patients infected with HPV-6 or HPV-11, neither in accordance to HPV-6 variants. Patients with HPV-11 presented a higher mean Derkay score at surgery than those with HPV-6 (mean difference: 4.39); when co-variated by age, we observed that this difference occurred only among JoRRP patients (mean difference: 6.15). CONCLUSIONS: Age of onset of RRP has an important impact on number of surgeries to control disease. Patients with JoRRP and HPV-11 tend to present worse Derkay score at each surgery. HPV genotype among adults and HPV-6 variants had no impact on the outcome of the disease.
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