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This repository contains the published and unpublished research of the Faculty of Medicine by the staff members of the faculty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 6379 Pre-admission management of children presenting with febrile illness in a tertiary hospital of Sri Lanka(BMJ, 2024) Arunath, V.; Mettananda, S.OBJECTIVES To describe the symptoms and pre-admission management of children presenting with febrile illness to the Colombo North Teaching Hospital, Ragama, Sri Lanka.METHODS A retrospective descriptive study was conducted at University Paediatric Unit of Colombo North Teaching Hospital, Ragama, Sri Lanka. Data on pre-admission management of all children admitted with febrile illness from July to December 2019 were extracted from patient records. Children who were transferred from other units, children with chronic illnesses and children developed fever following vaccinations were excluded. Ethical approval was obtained from Ethics Review Committee of Sri Lanka College of Paediatricians and data was analysed using SPSS version 22.RESULTS A total of 366 children were admitted; 56% were males. Mean age was 53.5 ± 41.7 months and the majority were from Gampaha district. Mean duration of illness on admission was 3.6 ± 2.5 days. 236 (65.6%) patients had recorded fever spikes at home while 150 (60.7%) reported a contact history of fever. Common associated symptoms were cough (62.3%), cold (56%) and vomiting (39.6%). 199 (54.5%) underwent investigations prior to admission and full blood count was the commonest (47.5%) investigation. Although 357 (97.8%) had taken medication prior to admission, only 87.3% had consulted a doctor. 356 (97.3%) received paracetamol at home of which 24 (7.9%) and 123 (40.6%) received sub-therapeutic and supra-therapeutic doses respectively. Significantly higher proportion (44.9%) of children who consulted a doctor received appropriate dose of paracetamol compared to others (3.7%), (c2=11.9, p=0.003, p<001). Higher proportion children who had recorded fever spikes consulted a doctor (c2=3.99, p=0.046, p<0.05) and received therapeutic doses of paracetamol prior to admission (c2=4.94, p=0.026, p<0.05).CONCLUSION Use of sub- and supra-therapeutic doses of paracetamol was common before admission to the hospital. Recording temperature at home and medical consultation prior to admission were associated with appropriate dose paracetamol usage (p<005).Item GDF15 linked to maternal risk of nausea and vomiting during pregnancy(Nature Pub. Group, 2024) Fejzo, M.; Rocha, N.; Cimino, I.; Lockhart, S.M.; Petry, C.J.; Kay, R.G.; Burling, K.; Barker, P.; George, A.L.; Yasara, N.; Premawardhena, A.; Gong, S.; Cook, E.; Rimmington, D.; Rainbow, K.; Withers, D.J.; Cortessis, V.; Mullin, P.M.; MacGibbon, K.W.; Jin, E.; Kam, A.; Campbell, A.; Polasek, O.; Tzoneva, G.; Gribble, F.M.; Yeo, G.S.H.; Lam, B.Y.H.; Saudek, V.; Hughes, I.A.; Ong, K.K.; Perry, J.R.B.; Sutton, C.A.; Baumgarten, M.; Welsh, P.; Sattar, N.; Smith, G.C.S.; Charnock- Jones, D.S.; Coll, A.P.; Meek, C.L.; Mettananda, S.; Hayward, C.; Mancuso, N.; O'Rahilly, S.GDF15, a hormone acting on the brainstem, has been implicated in the nausea and vomiting of pregnancy (NVP) including its most severe form, Hyperemesis Gravidarum (HG), but a full mechanistic understanding is lacking [1-4]. Here we report that fetal production of GDF15, and maternal sensitivity to it, both contribute substantially to the risk of HG. We confirmed that higher GDF15 levels in maternal blood are associated with vomiting in pregnancy and HG. Using mass spectrometry to detect a naturally-labelled GDF15 variant we demonstrate that the vast majority of GDF15 in the maternal plasma is derived from the feto-placental unit. By studying carriers of rare and common genetic variants we found that low levels of GDF15 in the non-pregnant state increase the risk of developing HG. Conversely, women with beta-thalassemia, a condition where GDF15 levels are chronically high [5], report very low levels of NVP. In mice, the acute food intake response to a bolus of GDF15 is influenced bi-directionally by prior levels of circulating GDF15 in a manner suggesting that this system is susceptible to desensitization. Our findings support a putative causal role for fetally-derived GDF15 in the nausea and vomiting of human pregnancy, with maternal sensitivity, at least partly determined by pre-pregnancy exposure to the hormone, being a major influence on its severity. They also suggest mechanism-based approaches to the treatment and prevention of HG.Item Research in pediatrics(Samudra Medical Publications, 2022) Mettananda, S.; Rajindrajith, S.No abstract availableItem Otolaryngology(Samudra Medical Publications, 2022) Lakshan, M.T.D.; Mettananda, S.No abstract availableItem Rheumatology(Samudra Medical Publications, 2022) Rajindrajith, S.; Mettananda, S.No abstract availableItem Metabolic diseases(Samudra Medical Publications, 2022) kankananarachchi, I.; Mettananda, S.No abstract availableItem Item Cardiology(Samudra Medical Publications, 2022) Weerasuriya, D.; Mettananda, S.No abstract availableItem Item A clinical audit in the practice of delayed cord clamping in peripheral unit in the eastern province.(Sri Lanka College of Paediatricians, 2022) Rathnasiri, G.B.A.M.; Thudugala, K.K.; Mettananda, S.