Conference Papers

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This collection contains abstracts of conference papers, presented at local and international conferences by the staff of the Faculty of Medicine

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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.
Spirometry reference norms for 13-14 year old Sri Lankan children.
(Wiley Blackwell Scientific Publications, 2016) Amarasiri, D.L.; Warnakulasuriya, D.T.; Wickremasinghe, A.R.; Gunasekera, K.D.;
BACKGROUND AND AIMS: Spirometry reference norms have only been reported for Peak Expiratory Flow Rate (PEFR) in Sri Lankan children. The aim of this study was to construct prediction equations for spirometry in Sri Lankan children aged 13-14 years. METHODS: Spirometry was performed in 2078 healthy 13-14 year old Sri Lankan children (1023 boys (49.2%) and 1055 (50.8%) girls) according to American Thoracic Society guidelines. Forced Vital Capacity (FVC), Forced Expiratory Volume in the first second (FEV1), PEFR and Forced Mid-Expiratory Flow Rates (FEF25-75%) were measured. Correlation coefficients were established between each parameter and standing height, weight, and age. The functions were regressed over all possible combinations of variables separately for boys and girls. RESULTS: There were significant correlations between spirometry parameters and height and weight in both genders. There were significant correlations between age and PEFR, FEF25 and FEF50 in males and age and FEV1, PEF and FEF25-75% in females. The prediction equations in males for FVC: 0.047height + 0.0007age- 4.66; for FEV1: 0.041height + 0.016age - 4.22; for PEFR: 0.074height + 0.123age - 7.59 and FEF25- 75%: 0.042height + 0.066 age - 4.36. The equations in females for FVC: 0.028height + 0.031age - 2.36; for FEV1: 0.027height + 0.047age - 2.57; for PEFR: 0.038height + 0.159age - 2.93 and FEF25-75%: 0.02height + 0.136age - 3.18. CONCLUSIONS: Height and age influence ventilatory parameters and could be used to assess lung functions in Sri Lankan children.
Snakebite in children: a two year retrospective review of victims admitted to a tertiary care hospital in sri lanka
(Sri Lanka College of Paediatricians, 2010) Jayasinghe, Y.C.; Kasturiratne, A.; Rajindrajith, S.; Samaraweera, S.A.S.G.; de Silva, H.J.
INTRODUCTION: Snakebite is an incident which causes great parental concern and medical unease, and envenomation is always more serious in a child. OBJECTIVE: To determine the pattern and characteristics of snake bites in children admitted to a tertiary care hospital in Southwest Sri Lanka. DESIGN, SETTING AND METHOD: A retrospective descriptive study was conducted to collect data on circumstances of the bite, clinical manifestations and management of paediatric victims of snakebite. Patient records of children admitted to the paediatric wards of Colombo North Teaching Hospital, Ragama, from January 2008 to December 2009 were reviewed. RESULTS: Our study population comprised 41 children (1.6 per 1000 admissions). Malerfemale ratio was 23:18. Mean age was 6 (SD=3.46) years. The bites were definite in 4 subjects and circumstantial (fang marks, signs of local and systemic envenomation) in the others. Twenty five (61%) were between 5 to 12 years of age. Nine (22%) bites occurred indoors and 13 (31.7%) in the home garden. In 12 (29.3%) the place of bite was not documented. In 42% the bite took place between 4pm-8pm. The snake species was identified by carers in 19 (46%) and confirmed by a doctor in 16 (39%) by identifying the dead snake. Of the 16 snakes brought for identification., 8 were hump-nosed vipers, 2 were Russell vipers, one was a krait and the rest were non-venomous species. Definite puncture marks were seen in 17 (41.4%) and were on the lower limbs in 11 (26.8%) and on the upper limbs in 6 (14.6%). First aid was given to 12 (29%) of the victims and the median time taken to reach hospital was 30 minutes (range 10 minutes to 15 hours). Nephrotoxicity developed in 1 (2.4%) (Russell viper bite). Antivenom was required by only 4 children in whom Russell viper bite was either suspected or confirmed. Three children developed reactions to antivenom. There were no deaths. None required intensive care. The median stay in hospital was 1 day (range 1-5 days) with 35 (94.6%) children being discharged home within 2 days. CONCLUSIONS: Snakebite in children was mainly diagnosed on circumstantial evidence, and mostly occurred in and around their homes. The outcome was good in all patients probably because the hump-nosed viper or non-venomous snakes were the offenders in most cases in this study.
Subtypes and some clinical aspects of irritable bowel Syndrome in children
(Sri Lanka College of Paediatricians, 2011) Rajindrajith, S.; Devanarayana, N.M.
INTRODUCTION: Irritable bowel syndrome (IBS) is a common paediatric functional gastrointestinal disorder affecting 6-13% of children and adolescents. In adults IBS is divided into four main subtypes: diarrhoea predominant IBS, constipation predominant IBS, mixed IBS and untypable IBS. The subtypes have not been characterised in children. OBJECTIVES: The objective of this study was to assess IBS subtypes in 10-16-year old children, their symptomatology and gender difference. DESIGN, SETTING AND METHOD: One hundred and seven children with IBS and 1610 healthy controls aged 10-16years were recruited from 8 randomly selected schools, in 4 randomly selected provinces (out of 9 provinces) in Sri Lanka. Data was collected using a previously validated, self administered questionnaire based on Rome III criteria, it was distributed in examination settings to ensure privacy and confidentiaiity and was filled under the guidance of research assistants. IBS was defined using Rome 111 criteria. RESULTS: Constipation predominant IBS (IBS-C), diarrhoea predominant IBS (IBS-D) and mixed IBS (1BS-M) were present in 27-28%. Untypable IBS (1BS-U) was seen in 17.8%. IBS was more common in girls (59.8% vs. 40.2% in boys, p=0.001; p<0.01). Straining, urgency and feeling of incomplete evacuation were seen in 74-78% children with IBS. Intestinal-related symptoms such as bloating, flatulence, nausea, vomiting and burping, and extraintestinal symptoms such as headache, sleeping difficulty, limb pain and photophobia were significantly higher in affected children (p<0.05). Burping was more commonly seen in boys with IBS (p<0.05). CONCLUSIONS: IBS-C, IBS-D and IBS-M had almost equal distribution while IBS-U had a relatively lower prevalence. Girls were significantly more commonly affected than boys (p<0.01). Intestinal-related and extra-intestinal symptoms were seen in a significantly higher percentage of children with IBS (p
Prevalence of asthma and atopy among primary school children
(Sri Lanka Medical Association, 2001) Karunasekera, K.A.W.; Perera, K.P.J.
INTRODUCTION : Prevalence of asthma and atopy among school children in Sri Lanka is not known. Objectives : To estimate prevalence of asthma and atopy in children between 5-11 years and to determine the influence of sex and age on the prevalence of asthma. METHODS: A total of 2043 children between 5-11 years of 3 mixed schools in Gampaha district were screened for symptoms of asthma and atopy using a questionnaire in August 1998. Diagnosis of asthma was based on the presence of 3 symptoms of the following 5 in the preceding 12 months; cough at night, breathlessness, wheezing, persistent cough more than a week after common cold and cough and/or chest tightness during or after playing. Chi squared test and Chi squared test for trend were used for analysis. RESULTS: Prevalence of asthma symptoms were cough at night 22.1%, breathiessness 17.2%, wheezing 22.6%, persistent cough after common cold 29.9% and cough or chest tightness with playing 11%. Prevalence of asthma based on questionnaire was 17.1 %, allergic rhinitis 10% and eczema 2.5%. The prevalence of asthma in males was not significantly different from that of females (p=0.4). There was a decreasing trend of the prevalence of asthma with increasing age. This trend was significant in girls (p= 0.01) but not in boys. CONCLUSIONS: Nearly one fifth of primary school children suffer from asthma and 10% have allergic rhinitis. There was no significant gender difference in Jhe prevalence of asthma in primary school children. There was a decreasing trend of the prevalence of asthma with increasing age in girls but not in boys.
Snakebites in children - a five year retrospective review of victims admitted to two hospitals in Sri Lanka
(Sri Lanka Medical Association, 2012) Jayasinghe, Y.C.; Kasturiratne, A.; Somaraweera, S.A.S.G.; de Silva, H.J.
INTRODUCTION: Snakebite in children causes great parental concern and medical unease. AIMS: To determine characteristics of paediatric snakebite in two hospitals, in the wet zone (Colombo North Teaching Hospital (CNTH) and dry zone (Base Hospital Polonnaruwa-BHP). METHODS: A retrospective study collected data on snakebite by reviewing records of children admitted to CNTH and BHP from January 2007 to December 2011. RESULTS: There were 188 snakebite victims (CNTH 71, BHP 117).Similarities in the two cohorts were (CNTH and BHP -M:F=35:36and 64:53; mean age 6 years (SD3) and 7 years (SD3); definite bites 30(53.6%) and 39(37.5%); circumstantial evidence in 57(80.3%) and 84(71.8%);time of bite: between 4- 8pm 42.6% and 47.2%. Majority of confirmed bites were HNV (60%) in CNTH and Kraits (30.8%) in BHP. Differences in the cohorts were :place of bite: in and around the home, median time from bite to hospital, administration of first aid, antivenom use, intensive care, median (range) duration of hospitalization and deaths (CNTH vs BHP): 37(56.9%) and 29(27.6%),35 vs 102.5 minutes, 21.4% vs 1%, 5.6% vs 17.1%, 1.4% vs 5.1%, 1 (1-7) days vs 2 (1-13), 0 vs 3.4% (Krait bites). CONCLUSIONS: Snakebites occur in ambulatory children, diagnosed mainly on circumstantial evidence and occur in and around homes irrespective of geographic location. Clinical features and outcome depend on offending species and availability of resources.
Abdominal bloating in children: association with functional gastrointestinal diseases and adverse life events.
(The Korean Society of Neurogastroenterology and Motility, 2013) Rajindrajith, S.; Devanarayana, N.M.
BACKGROUND/AIMS: Abdominal bloating is a common symptom among children with functional gastrointestinal diseases (FGDs). It can lead to significant distress among affected children. However, its epidemiology, risk factors and clinical characteristics have not been described in paediatric population. We aimed to study die epidemiology and risk factors of abdominal bloating, and associated FGDs in Sri Lankan children. METHODS: A cross-sectional, island-wide survey was conducted in Sri Lankan children aged 10-16 years. Four provinces (out of 9) of the country were randomly selected and 2 schools were randomly selected from each of the provinces. From each school, 12 classes from academic years (grades) 6 to 11 (2 from each academic year) were randomly selected and all children in these classes were included in the study. The Rome III questionnaire for paediatric FGDs (self-report form) was used for data collection. FGDs were diagnosed using Rome III criteria. Abdominal bloating was considered to be present if die child indicated as having abdominal bloating at least 25% of the time during the past 2 months. RESULTS: A total of 1972 children and adolescents (54.8% boys, mean age 13.4 years, SD 1.8 years) were included in the analysis. One hundred and ninety-four (9.8%) children had abdominal bloating. Of them, 52.6% had aerophagia, 15.4% had irritable bowel syndrome, 9.7% had constipation, 6-7% had rumination syndrome, and 5.6% had functional abdominal pain. Bloating was significantly common among children exposed to emotional stress and adverse life events (P < 0.0001). Intestinal related symptoms and extra intestinal symptoms that were significantly associated with bloating include abdominal pain, nausea, pallor, photophobia and headache (P < 0.05). CONCLUSIONS: Bloating is a common symptom of children and often associated with a range of FGDs. Children who faced adverse life events and stress, have a higher tendency to develop bloating. Bloating coexist with several other intestinal related and extra intestinal symptoms.
Association between faecal incontinence, child abuse, somatisation and health related quality of life
(Belgian Society of Paediatric Gastroenterology, Hepatology and Nutrition (BeSPGHAN), 2013) Rajindrajith, S.; Devanarayana, N.M.; Benninga, M.A.
AIMS : Faecal incontinence (FI) is an important lower gastrointestinal disease. Bad aroma around children with FI leads to rejection by peers, psychosocial isolation and learning difficulties. Aim of this study was to evaluate the association between FI, child abuse and health related quality of life (HRQoL) in children and adolescents. METHODS : Children aged 13-18 years were selected from four semi-urban schools in Gampaha district, Sri Lanka. A validated, self-administered questionnaire was used for data collection after obtaining consent from school authorities, parents and children themselves. Information regarding socio-demographic factors, gastrointestinal symptoms, child abuse, HRQoL and somatisation were collected. FI was defined as at least one episode of leaking of faeces in to the underwear per month. RESULTS: A total of 1807 children were included in the analysis [males/9.3 vs 53.8%), mean age 14.4years, SI.) 1.4 years]. Forty seven (2.6%) had FI. FT was significantly higher in boys (-74.49S vs. 25,6%% in girls, p < 0.0001)1. Prevalence of FI was significantly higher in those exposed to sexual abuse (17%.,. vs. 2.3% in non abused, p < 0.0.001)., emotional abuse i40.4% vs. 22.7%, p < 0.0001), and physical abuse (51% vs. 24:3.'%', p < 0.0001). Children with FI had higher mean somatisation score [mean 20.1, SD 14.5 vs. mean 9.3, SD 9.2 in those without FT (controls), p < 0.0001J. Children with FI had lower HRQoL scores for physical functioning (78.1 vs.'9:1:2.in controls, p < 0.0001), social functioning (78.4 vs. 92.6, p < 0.0001), emotional functioning (70.5 vs. 82.3, p < 0.0001) and school functioning (69.1 vs- 82.3, p < 0.0001) domains, and a lower overall HRQoL score (74.6 vs. 87.1, p < Q .0.001). CONCLUSIONS : FI in children shows a significant association with physical, sexual and emotional abuse. Children with FT have a range of somatic symptoms and a poor HRQoL score in physical, emotional, social and school functioning domains.
Epidemiology of cyclical vomiting syndrome in a cohort of Sri Lankan children
(The Korean Society of Neurogastroenterology and Motility, 2013) Devanarayana, N.M.; Rajindrajith, S.
BACKGROUND/AIMS: Cyclic vomiting syndrome (CVS) is characterised by recurrent episodes of intense nausea and vomiting or unremitting retelling lasting for hours to days. Very little is known of its epidemiology in paediatric age group. The aims of this study were to assess the prevalence, clinical profile and risk factors of CVS m Sri Lankan children and adolescents. METHODS: This is a school-based cross sectional survey conducted in 8 randomly selected schools in 4 randomly selected provinces of Sri Lanka. Data were collected using a validated, self-administered questionnaire, which consisted of 3 parts; part 1 - socio-demographic data, part 2 - data on stressful and adverse life events, part 3 - Rome III questionnaire (self report form for children above 10 years) which was translated and validated for Sri Lankan children. It was administered in an examination setting and collected on the same clay. Trained research assistants were present during filling the questionnaire to verify doubts. CVS was diagnosed using Rome III criteria. RESULTS: A total of 2,163 children were recruited for the study (male 1189 (54.9%), age range LO to 16 years, mean 13.4 years, SD 1.8 years). In this study, CVS was seen in 18 (0.8%). There was no gender difference in prevalence of CVS (boys 1.0% vs. girls 0.6%, P > 0-05). A significantly higher prevalence of CVS was observed in children exposed to recent stressful life events such as being bullied at school (3.4% vs. 0.7% in not exposed), major illness in a close family member (1.9% vs. 0.6%), hospital-ization of the child for other illness (2.2% vs. 0.7%), frequent punishment by parents (3.3% vs. 0.7%) and domestic violence (2.9% vs. 0.8%). No association observed between CVS, and age, socio-economic status, family size and birth order. CONCLUSIONS; The prevalence of cyclic vomiting syndrome among Sri Lankan children and adolescents is 0.8%. This condition is more common in those exposed to emotional stress.
Gastric motility in children with aerophagia.
(The Korean Society of Neurogastroenterology and Motility, 2013) Devanarayana, N.M.; Rajindrajith, S.
BACKGROUND/AIMS: Aerophagia is a functional gastrointestinal disease characterized by repetitive air swallowing, abdominal distension, belching and flatulence. When severe, it can lead to pneumoperitonium, volvulus and intestinal perforation. Gastric motility in children with aerophagia has never been studied, and our main objective was to assess it. METHODS: All children referred to the Gastroenterology Research Laboratory, Faculty of Medicine, University of Kelaniya, Sri Lanka, from 1st January 2007 to 31, December 2011 were screened and those fulfilling Rome III criteria for aerophagia were recruited. None had clinical or laboratory evidence of organic diseases. An age and sex compatible group of healthy children were selected as controls. Liquid gastric emptying rate (LGER) and antral motility parameters were assessed using a previously reported ultrasound method. RESULTS: A total of 18 children with aerophagia (9 [50.0%] males, 4-14 years, mean 8.0 years, SD 2.9 years) and 20 controls (8 [40%] males, 4-14 years, mean 8.4 years, SD 3.0 years) were recruited. Average LGER (44.2% vs. 66.2% in controls), amplitude of antral contractions (49.2% vs. 89.0%), frequency of contractions per 3 mm (8.5 vs. 9.3) and antral motility index (4.2 vs. 8.3) were significantly lower in patients with aerophagia compared to controls (P < 0.05). GER in children with aerophagia exposed to stressful life events was 35.4% compared to 53.0% in those not exposed to such events (P = 0.01). CONCLUSIONS: LGER and antral motility parameters were significantly impaired in patients with aerophagia. However, no significant association observed between gastric motility and symptoms. Affected children exposed to emotional stress had a lower LGER than those not exposed to such events.

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