Medicine
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This repository contains the published and unpublished research of the Faculty of Medicine by the staff members of the faculty
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Item Developing and pilot-testing an Oropharyngeal Dysphagia Screening Tool for children with cerebral palsy aged 4 – 6 years(Sri Lanka Medical Association, 2020) Hettiarachchi, S.; Ravihari, M.G.I.INTRODUCTION AND OBJECTIVES: Children with Cerebral Palsy (CP) demonstrate a variety of dysphagic symptoms. Speech and language therapists (SLTs) are mainly involved in the diagnosis and management of oropharyngeal dysphagia (OPD). Objectives were to develop a screening tool to detect OPD among children with CP aged 4 – 6 years, Pilot test the OPD screening tool with SLTs for children with CP aged between 4 – 6 years and to identify the test-retest reliability and inter-rater reliability of the developed screening tool. METHODS: The screening tool was developed based on the Dysphagia Disorder Survey (DDS) with the assistance of an expert panel of speech and language therapists (SLTs) and a pilot study. The study included 30 children with CP aged between 4;0 – 6;0 years. The OPD Screening Tool conduct together with expert SLTs to evaluate the inter-rater reliability and the study was conducted initially and 2 hours later by the researcher to evaluate test-retest reliability. RESULTS: The OPD Screening tool was shown to be reliable and applicable in detecting dysphagia amongst children with CP. The content validity was assessed by the five expert SLTs. The test-retest reliability and inter-rater reliability of the OPD Screening Tool was calculated and it was relatively high. CONCLUSION: The screening tool was shown to be a reliable tool and it was found to be a tool that easy administer in clinical setting to detect OPD in young children with CP.Item Quantitative video-fluoroscopic analysis of swallowing in infants(Elsevier/North-Holland., 2020) Dharmarathna, I.; Miles, A.; Fuller, L.; Allen, J.OBJECTIVES: To utilize objective, quantitative videofluoroscopic swallow measures to profile swallowing in infants and to determine the likelihood of objective swallow measures to predict risk of swallow impairments such as airway violation, reflux and post swallow residue. STUDY DESIGN: Our single center retrospective observational study used a cohort of 146 bottle-fed infants (0-9 months) referred for VFSS with any kind of feeding related concern. Frame-by-frame analysis of 20-s video loops of mid-feed sucking was completed to obtain quantitative timing, displacement and coordination measures as well as presence of other findings including aspiration, residue and naso-pharyngeal reflux (NPR) and esophago-pharyngeal reflux (EPR). Spearman correlation, Mann-Whitney U test and binomial logistic regression were conducted to determine statistical associations between swallow measures and binary reporting of swallow impairments. RESULTS: Videofluoroscopic data of 146 infants were reviewed and analyzed. 49% of infants demonstrated at least one penetration or aspiration event. Total pharyngeal transit time (TPT) and suck-swallow ratio were associated with aspiration (p < .05). Infants with >3 sucks per swallow had significantly longer TPT and their risk of aspiration was greater than those with <3 sucks per swallow (RR 1.23, 95% CI 0.43-8.507, p = .03). Pharyngeal constriction ratio (PCR) and bolus clearance ratio (BCR) were associated with residue, NPR and EPR (p < .05). CONCLUSION: Objective measures provide clinicians with reliable timing and displacement data even in the very young. These measures correlate with swallowing safety and may help to identify enhanced risk in some infants, which may influence management recommendations. KEYWORDS: Deglutition; Deglutition disorders; Dysphagia; Fluoroscopy; Infants; Swallowing disorders.