Dr. (Mrs.) T. S. Navaratnaraja

Journal articles

1. Kulanayagam Karthigesu , Sivansuthan Sivapalan , Surenthirakumaran Rajendra , Thiyahiny Sunil Navaratinaraja ,Vithegi Kesavan , Sirimal Premakumara. Effect of Gymnema lactiferum tea brew on Type 2 diabetes mellitus: A double-blind, randomised active-controlled phase III clinical trial. Clinical Traditional Medicine and Pharmacology 5 (2024) 200164. https://doi.org/10.1016/j.ctmp.2024.200164

2. Thiyahiny S. Navaratinaraja, Raveendran Gajanthan, Rathai Janahan, Vathulan Sujanitha, Sivapalan Sivansuthan, Ratnasabapathipillai Kesavan. Lipid Levels of Healthy Adults in Jaffna district, Northern Province of Sri Lanka: An Analysis of Secondary Data. Jaffna Medical Journal. 2024;36(1):24-32. doi: 10.4038/jmj.v36i1.205

3. Sri Ranganathan S, Navaratinaraja TS, Balasubramaniam R, et al. Price and affordability of key essential medicines for children in Sri Lanka, a lower-middle-income country: comparison of two national cross-sectional surveys done 8 years apart. BMJ Open 2023;13:e069733. doi: 10.1136/bmjopen-2022-069733

4. Navaratinaraja TS, Kumanan T, Siraj S, Sreeharan N. Potential Drug-Drug Interactions Among Hospitalised Elderly Patients in Northern Sri Lanka, A Lower Middle-Income Country: A Retrospective Analysis. Drugs Real World Outcomes. 2022 Nov 15. doi: 10.1007/s40801-022-00333-3. Epub ahead of print. PMID: 36380216.

5. Yalini Guruparan, Thiyahiny S. Navaratinaraja, Gowry Selvaratnam, Nalika Gunawardena and Shalini Sri Ranganathan. Development and validation of a set of patient reported outcome measures to assess effectiveness of asthma prophylaxis. BMC Pulm Med. 2021; 21:295.

6. Thiyahiny SN, Kumanan T, and Surenthirakumaran,R. Chronic illnesses and polypharmacy in elderly patients: A hospital-based study in Northern Sri Lanka. Jaffna Medical Journal. 2021;33(1):14-22.

7. Sri Ranganathan, S., Thiyahiny, S.N., Balasubramaniam, R. et al. Changing Trend in the Availability of Key Essential Medicines for Children in a Resource-Limited Country. Indian J Pediatr. 2021: 88: 178–179.

8. Kopalasuntharam Muhunthan, Sandrasegarampillai Balakumar, Thiyahini S Navaratnaraja, Sundaralingam Premakrishna, Sabaratnam Arulkumaran. Plasma concentrations of tranexamic acid in postpartum women After Oral Administration. Obstetrics & Gynecology. 2020; 135 (4): 945-948.

9. Thiyahiny S N, Sathiadas M G, Surenthirakumaran R, Layanthini S. Prescription of antibiotics among paediatric outpatients at Teaching Hospital-Jaffna. Jaffna Medical Journal 2019: 31(1): 3-8.

10. K Sanchayan, R Fernandopulle, A Amarasinghe, S N Thiyahiny, S Sri Ranganthan. Active safety monitoring of measles-mumps-rubella vaccine in the National Immunisation Programme of Sri Lanka. Ceylon Medical Journal 2017: 62(1): 12-19

11. K Sanchayan, R Fernandopulle, A Amarasinghe, S N Thiyahiny, S Sri Ranganthan. Safety of live attenuated Japanese encephalitis vaccine given at the age of 9 months in the National Immunization Programme of Sri Lanka. Ceylon Medical Journal 2016: 61(3): 99-105.

12. S N Thiyahiny, M G Sathiadas, K Sanchayan, C Vamadevan, R Balasubramanium, S Sri Ranganathan. Ceylon Medical Journal 2016: 61(3): 123-29.

13. A Arasalingam, T Kumanan, S N Thiyahiny. An update on pharmacotherapy of post herpetic neuralgia. Sri Lankan Journal of Neurology 2015: 4(1): 18-21

Conference paper

1. Navaratinaraja TS, Gajanthan. R, Janahan. R, Sujanitha V, Sivansuthan. S, Kesavan. RPattern of dyslipidaemia among healthy adults in Jaffna District, Northern Province, Sri Lanka. Research Conference of Faculty of Medicine, University of Jaffna – August 2024.

2. V, Henola. R, Wijesiril.R.G.H.A, Gamage.N.G.A.A, Fernando. R.H.S, Kumar R, Navaratinaraja TS. Potential pharmacokinetic drug-drug interactions in patients attending medical clinics at Teaching Hospital, Jaffna: A prescription analysis. Research Conference of Faculty of Medicine, University of Jaffna – August 2024.

3. Y, Ajeetha. J, Praveena Priyadharshini. A, Thanusika. N, Nithiyananda .S, Thiyahiny. SN. Pattern of parenteral antibiotic consumption in in-patient units over five years at Teaching Hospital, Jaffna. Research Conference of Faculty of Medicine, University of Jaffna – August 2024.

4. T Vijayakumar, S Balakumar T, Thileepan, N Suganthan, SN Thiyahiny, PA Dinesh Coonghe. Evaluation of hepatotoxicity of “Sinna sivappu maathirai”: a siddha herbo-mineral drug, in patients with respiratory diseases who visit Siddha Teaching Hospital Kaithady, Jaffna. Proceedings of the 9th YSF Symposium, 2020. Colombo: pp. 245-249.

5. Layanthini S, Nanthakumar K, Guruparan Y, Thiyahiny S N. Drug utilization at the Out-Patient Department of the Teaching Hospital, Jaffna. 4^th Jaffna University International Research Conference – JUICe 2018: 113-115.

Books and book chapters

1. Thiyahiny S Navaratinaraja, Shalini Sri Ranganathan. How to make your medicines safe? Express Newspapers (Ceylon) (Private) Limited, Colombo. 2022.

2. Thiyahiny S Navaratinaraja, Lalith Mendis, PT Jayawickramarajah: Leadership in health professions education. In: Madawa Chandratilake, Asela Oulpeliyawa, editors. 14 topics in health professions education. Colombo. College of Medical Educationists, Sri Lanka. 2020. pp. 108-119.

Abstracts

1. Vithya RU, Dilrukshi MDSA, Dissanayake H, Navaratinaraja TS, Somasundaram N, Katulanda P. Diabetes distress, depression and glycaemic control in patients with type 2diabetese in Sri Lanka. Oral presentation.  July 28-30, 2023. SLENDO 2023

2. Vithya RU, Dilrukshi MDSA, Dissanayake H, Navaratinaraja TS, Somasundaram N, Katulanda P.  Translation and validation of Sinhala version of diabetes distress scale. Oral presentation.  July 28-30, 2023. SLENDO 2023

3. Kajaniya V, Henola R, Gamage NGAA, Wijesiril RGHA, Fernando RHS, Kumar R, Navaratinaraja TS. Potential drug-drug interactions in the prescriptions of patients attending medical clinics of Teaching Hospital, Jaffna. 5th Undergraduate Research Symposium, Faculty of Medicine, University of Jaffna, December 2022.

4. Jayalath JAC, Arany K, Rahil MHN, Senevarathna WADS, Sumitha M, Navaratinaraja TS, Kumarendran B. Adaptation to online-learning during COVID-19 panademic crisis and its associated factors among medical students, faculty of Medicine, University of Jaffna. 5th Undergraduate Research Symposium, Faculty of Medicine, University of Jaffna, December 2022.

5. Umasankar N, Gowrinesan Y, Sathiadas MG, Thiyahiny SN, Surenthirakumaran R, Srisaravanapavananthan N. Randomized controlled parallel arm clinical trial comparing humidified high flow nasal cannula oxygen therapy and conventional treatment in infants with moderate and severe bronchiolitis. Annual academic session of Jaffna Medical Association, Sep 2022.

6. Guruparan Y, Selvaratnam G, Thiyahiny SN, Sri Ranganathan S. Factors contributing to control of asthma in a cohort of patients receiving treatment at a Teaching Hospital. Sri Lanka Medical Association, 134^th Anniversary International Medical Congress 2021.

7. T Vijayakumar, S Balakumar T, Thileepan, N Suganthan, SN Thiyahiny, PAD Coonghe. Evaluation of nephrotoxicity of Sinna Sivappu Mathirai, a Siddha herbo-minera drug.06^th International Conference on Ayurveda Traditional Medicine and Medicinal Plants. January 2021.

8. Guruparan Y, Selvaratnam G, Thiyahiny SN, Sri Ranganathan S. Patient reported outcome measures to assess the effectiveness of inhaled medications in asthma. Proceedings of the Academic Sessions of Sri Lanka Association of Clinical Pharmacology and Therapeutics, November 2020.

9. Guruparan Y, Selvaratnam G, Thiyahiny SN, Sri Ranganathan S. Medicines prescribed for patients with chronic asthma followed up at teaching hospital Jaffna. Jaffna Medical Association Annual Scientific Sessions, September 2020.

10. Vijayakumar T, BalakumarS, Thileepan T, Suganthan N, Thiyahiny SN, Coonghe PAD. Determination of blood mercury level in patients receiving “Sinna Sivappu Maathirai”, a Siddha-herbo-mineral drug using atomic absorption spectrometry. Colombo Medical Congress 2020, February 2020.

11. Danapala D.M.S.M.K Thuvaragan S, Surenthirakumaran R, Thiyahiny S N. Attitudes towards dispensing errors among state pharmacists and dispensers in Jaffna district. Proceedings of 7th Ruhuna International Science & Technology Conference, University of Ruhuna, Matara, Sri Lanka. January, 2020.

12. Kaneshamoorthy Kugatheepa, Pathmanathan Kalki, Rajendra Surendrakumaran, Thiyahiny SN. Job satisfaction among state sector pharmacists in Jaffna district. South Asia Conference on Multidiciplinary Reseach 2018. Colombo. October 2018.

13. Samaranayake NR, Layanthini S, Samaraweera DGS, ZamaraMS, Navaratinaraja TS, Hettihewa M, Wanigatunge CA. Assessing appropriateness of medicines among elderly using “Modified STOP/START criteria” for Sri Lanka. International Conference on Health Sciences, Colombo. September 2018.

14. Sri Ranganathan S, Balasubramaniam R. Thiyahiny S N, Beneragama B V S H. The changing trend in the availability of key essential medicines for children in Sri Lankan public hospitals from 2009 to 2017/2018. Ceylon Medical Journal, 2018;63(1, Suppl.):27.

15. Thivyaluxmy S, Surenthirakumaran R, Nasmiya M, Thiyahiny S N. Pattern of antibiotic usage in the treatment of diabetic foot ulcer patients in surgical wards, Teaching Hospital, Jaffna. Oral presentation, Annual Academic Sessions of Sri Lanka Association of Clinical Pharmacology and Therapeutics, October 2017.

16. Layanthini S, Guruparan Y, Thiyahiny S N. Prescribing tendency at outpatient department of Teaching Hospital, Jaffna. Poster presentation, Scientific Sessions 2017 of Faculty of Medical Sciences, University of Sri Jayewardenepura, May 2017.

17. Nadeesa RM, Thuvaragan S, Thiyahiny SN. Self-medication practice among the students of University of Jaffna. Scientific Sessions 2017 of Faculty of Medical Sciences, University of Sri Jayewardenepura, May 2017.

18. R Kamsayini, S N Thiyahiny, V Ajeethan. Effect of different types of water on the stability of reconstituted amoxicillin oral suspensions available in Jaffna district Sri Lanka. Oral presentation, 9th International Research Conference, General Sir John Kotalawala Defense University of Sri Lanka, September 2016.

19. Layanthini S, Sathiadas MG, Thiyahiny S N, Surenthirakumaran R. Parental knowledge and practices on paediatric antibiotic usage at the outpatient department of the Teaching Hospital of Jaffna. Poster presentation, First Academic Session of Sri Lanka Association of Clinical Pharmacology and Therapeutics, June 2016.

20. Y Guruparan, K Sanchayan, MG Sathiadas, S N Thiyahiny. Knowledge on paracetamol among mothers of children admitted to paediatric units, Teaching Hospital Jaffna. Oral presentation, 23rd Annual Session of Jaffna Science Association, May 2016.

21. Layanthini Somasundaram, M. Gitanjali Sathiadas, Rajendra Surenthirakumaran, Thiyahini S. Navaratinaraja. Paediatric antibiotic prescription pattern at the outpatient department of the Teaching Hospital of Jaffna. Oral presentation, Annual Scientific Sessions – 2014, Jaffna Medical Association December 2014.

22. Kumuthini Sanchayan, Nishara Rajathurai, Thiyahini Sunil Navaratinaraja, Shalini Sri Ranganathan. Thiriposha feeding among one year and 9 months children in Jaffna RDHS area: an analysis from 24 hour recall. Oral presentation, Joint Scientific Session of Jaffna Medical Faculty Overseas Alumni & Local Alumni, July 2014.

23. Sanchayan K, Fernandopulle R, Amarasinghe A, Thiyahiny S N, Sri Ranganathan S Adverse Events following Live Japanese Encephalitis vaccine (SA14-14-2): Results from interim analysis of Cohort Event Monitoring in Jaffna RDHS area. Oral presentation, Sri Lanka Medical Association Annual Scientific Sessions, July 2014.

24. Sanchayan K, Fernandopulle R, Amarasinghe A, Thiyahiny S N, Sri Ranganathan S. Frequency of Injection Site Reactions following MMR and live JE Vaccines in the Jaffna RDHS area: Interim analysis of an Active Surveillance Study. Oral presentation, Jaffna Medical Association Annual Scientific Sessions, September 2013.

25. Kumuthini Sanchayan, Rohini Fernandopulle, Ananda Amerasinghe, Thiyahiny Sunil Navaratinaraja, Shalini Sri Ranganathan. A pilot study of Cohort Event Monitoring in detecting adverse events following immunisation associated with Measles-Mumps-Rubella and live attenuated Japanese Encephalitis (JE) vaccine. Oral presentation, Jaffna Medical Association Annual Scientific Sessions, November – December 2012.

26. Thiyahiny S N, Sathiadas MG, Sanchayan K, Sunantha S, Vamadevan, Balasubramaniam R, Sri Ranganathan S. An analysis of quality of drug prescriptions for hospitalized children: Effectiveness of prescription indicators. Oral presentation, Seventh Asian Conference on Pharmacoepidemiology, October, 2012.

27. Niruthan K, Shanthamenan M, Rajeshkannan N, Thiyahiny S N. Secondary preventive care practices among type 2 diabetes mellitus patients attending Medical Clinics at teaching Hospital Jaffna. Poster presentation, Sri Lanka Medical Association Annual Scientific Sessions, June 2011.

1. Rational prescribing 
2. Medication safety 
3. Clinical trials 
4. Drug interactions 
5. Pharmacogenetics