Abstract
ObjectivePaediatric velopharyngeal insufficiency (VPI) is a known but rare complication following adenotonsillar surgery that can have significant adverse effects on the communication as well as psychological well-being of the patient and their family. We sought to assess risk factors, aetiology, assessment and management of these patients through a dedicated multidisciplinary clinic. MethodsRetrospective data collection was performed for patients seen in the Great Ormond Street Hospital for Children multidisciplinary VPI clinic from the 1st of January 2015 until 30th of April 2020. Paediatric patients with previous adenotonsillar surgery and no evidence of cleft palate or speech and language disorder were included in the study. Results29 patients met the inclusion criteria, with 16 having previous adenotonsillectomy and 13 isolated adenoidectomy. In our VPI clinic, patients were seen on average for 4.9 occasions over a 38.3-month period. Clinical assessment was conducted using GOS.SP.ASS ’98 speech assessment tool, speech videofluoroscopy and nasoendoscopy, as per individual needs. The main cause of post-adenoidectomy VPI was identified in 72.5% of the cases. Speech videofluoroscopy was performed in 27 cases. Associated anatomic features identified included deep pharynx (37%), long palate (22.2%) and variable levator position. Severe hypernasality was noted in 3 patients, while in 20 cases moderate or mild hypernasality was found. There were no patients with normal speech. Ten patients were treated with speech therapy alone, whereas surgical intervention was required in seventeen cases. In the population who received treatment and had adequately recorded follow-up, improvement in speech was noted in 86.9%, with 30.4% having oral resonance on last review. Of the patients with severe hypernasality, all improved but had some persistent hyper nasality on last clinic review. ConclusionsWe present our multidisciplinary management of post adenoidectomy VPI. Through the investigations in our dedicated specialist VPI clinic, the cause of VPI was found more frequently than in previous reports in the literature. Intense treatment is usually required with lengthy follow-up and multiple attendances in VPI clinic. Main modalities of management include SLT, surgery and speech prostheses. Most patients’ speech will improve with intervention. We highlight the importance of early recognition, referral and a multi-disciplinary approach in treating this condition. We advise ENT surgeons to ensure patients are adequately aware of this complication given its potential impact.
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