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This repository contains the published and unpublished research of the Faculty of Medicine by the staff members of the faculty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 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.Item Quality of life in teenagers with abdominal pain related functional gastrointestinal disorders who have been exposed to child abuse(Belgian Society of Paediatric Gastroenterology, Hepatology and Nutrition (BeSPGHAN),, 2013) Devanarayana, N.M.; Rajindrajith, S.; Benninga, M.A.AIMS: Large number of previous studies conducted in children and adults have shown a significant association between abdominal pain predominant functional gastrointestinal disorders (AP-FGD) and exposure to child abuse. The main objective of this study was to assess the impact of child abuse on quality of life of Sri Lankan with AP-FGD. METHODS: A randomly selected group of 13-18 year olds were screened using the Rome iii questionnaires criteria for AP-FGD were recruited after obtaining consent from school administration, parents and teenagers themselves. Information regarding exposure to abuse and quality of life were assessed using previously translated and validated questionnaires. The questionnaires were administered in an examination setting to ensure confidentiality and privacy. Research assistants were present during filling the question¬naires and verifications were provided. They were collected on the same day. RESULTS: A total of 290 children with AP-FGD were recruited [males 128 (44.1%), mean age 14.6 years and SDI 1.5 years]. The number of children exposed to physical, emotional and sexual abuse, were respectively 90 (31.0%), 101 (34.8%) and 16 (5.5%). Average scores obtained for physical (85.3% vs.89.3% in nonabused), emotional (69.9% vs.79.7%), social (86.3% vs. 92.6%) and school (73.7% vs. 80.6%) functioning domains of quality of life in children exposed to emotional abuse were significantly lower (p < 0.05, unpaired t-test). Similar decrease was observed in children exposed physical abuse in social (86.4% vs. 92.2%) and school (74.6% vs. 79.9%) functioning domains (p < 0.05), but not in physical and emotional functioning domains (p > 0.05). Exposure to sexual abuse did not show a significant difference in in quality of life (p > 0.05). CONCLUSIONS : Even among teenagers with AP-FGD, those exposed to child abuse have a significantly lower quality of life than those not exposed to abuse.Item Determinants of healthcare consultation behavior in children with chronic constipation: a school based survey(Lippincott Williams & Wilkins, 2011) Rajindrajith, S.; Devanarayana, N.M.; Benninga, M.A.BACKGROUND: Constipation is a common pediatric disorder associated with poor quality of life and high healthcare expenditure. Healthcare consultation patterns in childhood functional gastrointestinal diseases are poorly understood. To date there are no community-based studies to identify factors determining healthcare consultation in children with functional constipation. AIMS: To assess the healthcare consultation patterns in Sri Lankan children with constipation and identifying socio-demographic and clinical factors that predict consultation behavior. METHODS: Island-wide cross-sectional survey was conducted among 10–16 years old children. Five schools were randomly selected from 3 randomly selected provinces of Sri Lanka. From each school, children were randomly selected from academic years (grades) 6–11. Previously pretested questionnaire based on Rome III criteria was used in the survey and questions were included regarding healthcare seeking for symptoms of constipation. RESULTS: Of the 2770 questionnaires distributed, 2694 (97.3%) properly filled questionnaires were included in the analysis. From 416 (15.4%) children with chronic constipation, only 16 (3.8%) had sought medical advice for their symptoms during previous 12 months. Children < 0.05). Healthcare consultation in children with stool frequency less than 3 per week, hard stools, painful defecation, large volume stool, fecal incontinence, with-holding posture and blood stained stools were respectively 7.5%, 2.7%, 6.6%, 11.6%, 11.1%, 7.7% and 14.3%. Exposure to stressful life events show no association with healthcare consultation (p=0.82). CONCLUSIONS: Healthcare consultation for chronic constipation in Sri Lankan school children and adolescents is quite low, despite the majority of them having features suggestive of significant constipation. Socio-demographic factors such as younger age and family history of constipation were significantly associated with healthcare seeking. It is essential to educate general public regarding features of chronic constipation and bring their children to medical attention early to avoid complications.Item Gastric emptying and antral motility according to the subtypes of irritable bowel syndrome: a paediatric study(Lippincott Williams & Wilkins, 2011) Devanarayana, N.M.; Rajindrajith, S.; Bandara, C.; Shashiprabha, G.; Benninga, M.A.BACKGROUND: Irritable bowel syndrome (IBS) is a common paediatric functional gastrointestinal disorder. It is subtyped into diarrhoea predominant (IBS-D), constipation predominant (IBS-C), mixed (IBS-M) and untypable (IBS-U) IBS depending on stool consistency. Several studies have reported differences in colonic motility in children with different IBS subtypes. However, gastric motility has not been assessed according to subtypes yet. AIM: To assess gastric motility in children with different IBS subtypes using a non-invasive ultrasound method. METHODS: Seventy six children with IBS [33 (43%) males, age 4–14 years, mean 7.9 years, SD 3.0 years) referred to the Gastroenterology Research Laboratory, Faculty of Medicine, University of Kelaniya, Sri Lanka, for gastric motility studies and 20 healthy controls [8 (40%) males, age 4–14 years, mean 8.4 years, SD 3.0 years] were recruited. Children with IBS were divided into IBS-D(n=21), IBS-C(n=31), IBS-M (n=19) and IBS-U (n=5) according to Rome III definitions. None of the patients recruited had clinical or laboratory evidence of organic disorders. Liquid gastric emptying rate (GER) and antral motility parameters were assessed using a previously reported ultrasound method. RESULTS: Compared to healthy controls, the mean GER (43.8% vs. 66.2% in controls), amplitude of antral contractions (A) (56.4% vs. 89%) and antral motility index (MI) (5.1 vs. 8.3) were significantly lower and fasting antral area (FA) (1.6 vs. 0.6) was higher in children with IBS ( p<0.0001). Frequency of antral contractions (F) (8.9 vs. 9.3) did not show a significant difference between the two groups. Patients exposed to recent stressful life events had a significantly lower mean GER (40.3%), compared to those who were not (45.7%) ( p=0.03). No significant relationship was observed between severity of symptoms and motility abnormalities. No significant differences were found between IBS-D, IBS-C and IBS-M with respect to GER (42.%, 46.3%, 39.6%), FA (1.4 cm2,1.8 cm2, 1.8 cm2), A (53%, 58.9%, 51.8%), F (8.7, 8.9, 9.2) and MI (4.7, 5.3, 4.8). CONCLUSIONS: GER and antral motility parameters were significantly impaired in children with IBS compared to controls. No significant difference observed in gastric motility parameters between different IBS subtypes. GER was lower in those exposed to recent stressful eventsItem Delayed gastric emptying rates and impaired antral motility in children fulfilling ROME III criteria for functional abdominal pain(Lippincott Williams & Wilkins, 2011) Devanarayana, N.M.; Rajindrajith, S.; Rathnamalala, N.; Samaraweera, S.; Benninga, M.A.BACKGROUND: Abdominal pain is a common paediatric disorder affecting approximately 10% of children worldwide. The majority of affected children has no identifiable organic cause for their symptoms and considered to have functional gastrointestinal disorders (FGD). Gastric sensory motor dysfunctions have been implicated in the pathophysiology of FGD such as functional dyspepsia and irritable bowel syndrome. However, very little is known regarding gastric motility in children with functional abdominal pain (FAP), whose predominant symptom is abdominal pain. AIM: We hypothesized that abnormal gastric emptying and impaired antral motility are possible underlying mechanisms of symptoms in children with FAP. METHODS: All children referred to the Gastroenterology Research Laboratory, Faculty of Medicine, University of Kelaniya from 1st January 2006 to 31st December 2010 were screened and those fulfilling Rome III criteria for FAP were recruited. All patients were screened for organic disorders using history, examination and basic investigations (urine microscopy and culture, stool microscopy, C-reactive protein, full blood count and liver and renal function tests). An age and sex compatible group of healthy children were selected as controls. Liquid gastric emptying rate (GER) and antral motility (frequency of antral contractions, amplitude of antral contractions and antral motility index) were assessed using a previously reported ultrasound method. Results: A total of 102 children with FAP [37 (36.3%) males, 4–14 years, mean 7.8 years, SD 2.7 years] and 20 healthy controls [8 (40%) males, 4–14 years, mean 8.4 years, SD 3.0 years] were recruited. Average GER (42.1% vs. 66.2% in controls), amplitude of antral contractions (56.5% vs. 89%), frequency of contractions per 3 min (8.5 vs. 9.3) and antral motility index (4.9 vs. 8.3) were significantly lower in patients with FAP compared to controls ( p<0.01). Fasting antral area was higher in patients (1.4 vs. 0.6, p<0.0001). GER negatively correlated with the scores obtained for severity of abdominal pain (r= -0.29, p=0.004). CONCLUSIONS: Gastric emptying and antral motility parameters were significantly impaired in patients with FAP and GER negatively correlated with symptom severity. These findings highlight the possible role of gastrointestinal motility abnormalities in the pathophysiology of childhood FAPItem The Association between adverse life events and abdominal pain-predominant functional gastrointestinal disorders.(Lippincott Williams & Wilkins, 2015) Devanarayana, N.M.; Rajindrajith, S.; Benninga, M.A.BACKGROUND: Abdominal pain-predominant functional gastrointestinal disorders (AP-FGIDs) are a common public health problem in children. The precise aetiology of AP-FGIDs is far from clear. Psychological stress and all forms of child abuse are known predisposing factors to develop AP-FGIDs. The main objective of this study is to study the association between adverse life events (ALEs) and development of AP-FGIDs. METHODS: A cross sectional, school based study was conducted in Gampaha district of Sri Lanka. All children aged 13-18 years were recruited from four randomly selected semi-urban schools in the district after obtaining consent from parents, school administration and children themselves. A translated and validated, self-administered questionnaire consisting of four parts was used for data collection. Part I was the Rome III questionnaire for functional gastrointestinal disorders, self-report form for children above 10 years. Part II was a questionnaire on exposure to adverse life events. Part III was the Sinhala (the native language) version of the PedsQL, Pediatric Quality of Life Inventory 4.0 (Generic Core Scales). Part IV was the Child Somatization Inventory. The questionnaire was administered under examination setting to ensure confidentiality and privacy. Research assistant were present during filling the questionnaire for provide assistance and verifications. AP-FGIDs were defined using the Rome III criteria. RESULTS: A total of 1792 children were included in the analysis (males 975 [54.4%], mean age 14.4 years, SD 1.3 years years). Out of them, 305 (17.0%) had AP-FGIDs. ALEs that showed a significant association with AP-FGIDs include, parental substance abuse (25.1% vs. 16.0% in controls, p = 0.015) and domestic violence (28.5% vs. 16.1%, p = 0.02). Children with AP-FGIDs exposed to ALEs have a higher somatization index compared to children not exposed to ALEs (16.9 vs. 13.4, p = 0.003), and a lower overall health-related quality of life (HRQoL) score (81.8 vs. 85.1, p = 0.02). The scores they obtained for psycho-social (86.4 vs. 92.4, p < 0.0001) and emotional (72.5 vs. 77.7, p = 0.03) domains of the HRQoL were also lower than that of children with no such experiences. CONCLUSIONS: Exposure to ALEs predispose children to develop AP-FGIDs. Experience of childhood ALEs deleteriously affects the HRQoL and somatization of children with AP-FGIDs.