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Allergen Immunotherapy for a Year Can Effectively Reduce the Risk of Postoperative Recurrence of Adenoid Hypertrophy
Hong-Li Hua1, Yu-Qin Deng1, Yu-Chen Tang1
1Department of Otolaryngology-Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, People's Republic of China.
Background:
Adenoid hypertrophy (AH) and allergic rhinitis (AR) are common pediatric diseases, seriously affecting the quality of life and growth of children. The recurrence rate of AH is higher for patients with than for those without concurrent AR. Allergen specific immunotherapy (AIT) is the only effective therapy for modifying the course of allergic diseases. This study sought to investigate the efficacy of AIT in preventing AH recurrence in patients with AR who underwent adenoidectomy.
Methods:
This study included 134 children aged 5-12 years with concurrent AH and AR. They were separated into the subcutaneous immunotherapy (SCIT) group treated with a double-mite allergen preparation or the non-AIT group treated symptomatically with only medications. The adenoid/nasopharyngeal ratio at one year after adenoidectomy was used to assess AH recurrence. The Obstructive Sleep Apnoea Questionnaire (OSA-18), Paediatric Rhinoconjunctivitis Quality of Life Questionnaire (PRQLQ), and Visual Analogue Scale (VAS) were used to assess the severity of the sleep disorders and AR.
Results:
This study included 62 and 72 children with concurrent AH and AR in the SCIT and non-AIT groups, respectively. The rate of recurrence in the SCIT group was significantly lower than that in the non-AIT group (4.84% vs.16.67%; P=0.030). The OSA-18, PRQLQ, and VAS scores were significantly lower for the SCIT than (P<0.001) for the non-AIT group after one year of treatment.
Conclusion:
The findings suggest that AIT should be considered the preferred therapy for reducing postoperative recurrence of AH in children with concurrent AR following adenoidectomy, but further research is needed to confirm these findings in a larger population.
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