Skip to content

Home Search Authors Pakistan News Saved

SciRah

SciRah does not host or store research papers. Results come live from free, official scholarly APIs, and every paper links back to its original source.

Data sources

OpenAlex
Semantic Scholar
Crossref
CORE
arXiv
PubMed

Privacy policy Terms of service

R. Premaratna · SciRah

Researcher profile · Semantic Scholar

R. Premaratna

Share profile

R. Premaratna — researcher profile on SciRah

h-index: 24
Works: 162
Citations: 3,631

Most-cited papers

Comparison of Seven Commercial Antigen and Antibody Enzyme-Linked Immunosorbent Assays for Detection of Acute Dengue Infection
S. Blacksell, R. Jarman, R. Gibbons, A. Tanganuchitcharnchai +8 more
2012Clinical and Vaccine Immunology140 citations Open access
Semantic Scholar
Extended spectrum beta lactamase producing organisms causing urinary tract infections in Sri Lanka and their antibiotic susceptibility pattern –A hospital based cross sectional study
M. Fernando, W. Luke, J. Miththinda, R. Wickramasinghe +4 more
2017BMC Infectious Diseases69 citations Open access
Semantic Scholar
Poor Diagnostic Accuracy of Commercial Antibody-Based Assays for the Diagnosis of Acute Chikungunya Infection
S. Blacksell, A. Tanganuchitcharnchai, R. Jarman, R. Gibbons +6 more
2011Clinical and Vaccine Immunology64 citations Open access
Semantic Scholar
A preliminary survey of filarial parasites in dogs and cats in Sri Lanka
C. H. Mallawarachchi, Nilmini Chandrasena, S. Wickramasinghe, R. Premaratna +3 more
2018PLoS ONE48 citations Open access
Semantic Scholar
Morbidity management and disability prevention for lymphatic filariasis in Sri Lanka: Current status and future prospects
Nilmini Chandrasena, R. Premaratna, I. Gunaratna, N. D. de Silva
2018PLoS Neglected Tropical Diseases38 citations Open access
Semantic Scholar
Clinical Evaluation of Rapid Diagnostic Test Kit for Scrub Typhus with Improved Performance
Young-Jin Kim, Sungman Park, R. Premaratna, Stephen Selvaraj +12 more
2016Journal of Korean medical science37 citations Open access
Semantic Scholar
Human infection with sub-periodic Brugia spp. in Gampaha District, Sri Lanka: a threat to filariasis elimination status?
Chandana H. Mallawarachchi, T. G. A. Nilmini Chandrasena, R. Premaratna, S. M. N. S. M. Mallawarachchi +1 more
2018Parasites & Vectors36 citations Open access
Semantic Scholar
Rickettsia conorii O antigen is the target of bactericidal Weil–Felix antibodies
H. Kim, R. Premaratna, D. Missiakas, O. Schneewind
2019Proceedings of the National Academy of Sciences of the United States of America32 citations Open access
Semantic Scholar
Rickettsial illnesses, a leading cause of acute febrile illness.
R. Premaratna
2022Clinical medicine (London)28 citations Open access
Semantic Scholar
A case series of spotted fever rickettsiosis with neurological manifestations in Sri Lanka.
S. Kularatne, K. Weerakoon, R. Rajapakse, S. C. Madagedara +2 more
2012International Journal of Infectious Diseases27 citations Open access
Semantic Scholar
Sporadic cases of adult measles: a research article
R. Premaratna, N. Luke, Harsha K. K. Perera, M. Gunathilake +2 more
2017BMC Research Notes24 citations Open access
Semantic Scholar
Differential expression of microRNA, miR-150 and enhancer of zeste homolog 2 (EZH2) in peripheral blood cells as early prognostic markers of severe forms of dengue
Harsha Hapugaswatta, P. Amarasena, R. Premaratna, K. Seneviratne +1 more
2020Journal of Biomedical Sciences22 citations Open access
Semantic Scholar
The Diversity of Human Dirofilariasis in Western Sri Lanka
T. G. A. N. Chandrasena, R. Premaratna, C. Mallawaarachchi, N. K. Gunawardena +3 more
2019BioMed Research International21 citations Open access
Semantic Scholar
Scrub typhus mimicking Parkinson’s disease
R. Premaratna, S. H. N. C. Wijayalath, J. K. N. Dhanushka Miththinda, N. K. B. K. R. G. Wijesinghe Bandara +1 more
2015BMC Research Notes21 citations Open access
Semantic Scholar
Surveillance for transmission of lymphatic filariasis in Colombo and Gampaha districts of Sri Lanka following mass drug administration.
Nilmini Chandrasena, R. Premaratna, D. Samarasekera, N. D. de Silva
2016Transactions of the Royal Society of Tropical Medicine and Hygiene20 citations
Semantic Scholar
Rickettsioses in the central hills of Sri Lanka: serological evidence of increasing burden of spotted fever group.
S. Kularatne, R. Rajapakse, W. Wickramasinghe, D. Nanayakkara +4 more
2013International Journal of Infectious Diseases20 citations Open access
Semantic Scholar
Secondary bacteraemia in adult patients with prolonged dengue fever.
R. Premaratna, D. Dissanayake, F. Silva, M. Dassanayake +1 more
2015Ceylon Medical Journal19 citations Open access
Semantic Scholar
Rickettsial infection among military personnel deployed in Northern Sri Lanka
R. Premaratna, N. Ariyaratna, Champaka Attanayake, Wijesinghe Bandara +2 more
2014BMC Infectious Diseases18 citations Open access
Semantic Scholar
Clinically helpful rickettsial disease diagnostic IgG titers in relation to duration of illness in an endemic setting in Sri Lanka
R. Premaratna, Sanjaya Weerasinghe, A. Ranaweera, T. Chandrasena +3 more
2012BMC Research Notes18 citations Open access
Semantic Scholar
Widespread subcutaneous necrosis in spotted fever group Rickettsioses from the coastal belt of Sri Lanka- a case report
N. Luke, H. Munasinghe, Lakshmi Balasooriya, R. Premaratna
2017BMC Infectious Diseases16 citations Open access
Semantic Scholar
What clinicians who practice in countries reaching malaria elimination should be aware of: lessons learnt from recent experience in Sri Lanka
R. Premaratna, G. Galappaththy, Nilmini Chandrasena, Roshanthi Fernando +3 more
2011Malaria Journal16 citations Open access
Semantic Scholar
Genotypic characterization of Orientia tsutsugamushi from patients in two geographical locations in Sri Lanka
R. Premaratna, L. Blanton, D. Samaraweera, G. N. N. De Silva +3 more
2017BMC Infectious Diseases15 citations Open access
Semantic Scholar
Timing, predictors, and progress of third space fluid accumulation during preliminary phase fluid resuscitation in adult patients with dengue.
R. Premaratna, A. Ragupathy, J. Miththinda, H. D. De Silva
2013International Journal of Infectious Diseases15 citations Open access
Semantic Scholar
Gloriosa superba poisoning mimicking an acute infection- a case report
R. Premaratna, M. Weerasinghe, N. Premawardana, H. D. De Silva
2015BMC Pharmacology and Toxicology13 citations Open access
Semantic Scholar
Rickettsial infections in Sri Lanka: yesterday, today and tomorrow
R. Premaratna
201213 citations Open access
Semantic Scholar
Molecular Characterization of Rickettsial Agents in Ticks (Acari: Ixodidae) from Sri Lanka
G. Dasch, M. Eremeeva, Maria L. Zambrano, R. Premaratna +2 more
2022American Journal of Tropical Medicine and Hygiene12 citations Open access
Semantic Scholar
Should colloid boluses be prioritized over crystalloid boluses for the management of dengue shock syndrome in the presence of ascites and pleural effusions?
R. Premaratna, E. Liyanaarachchi, M. Weerasinghe, H. D. De Silva
2011BMC Infectious Diseases11 citations Open access
Semantic Scholar
Descriptive Investigation of Strongyloidiasis Infection and Characterization of Strongyloides stercoralis Using Morphological and Molecular-Based Methods
N. Gunathilaka, Nilmini Chandrasena, T. Wijerathna, Y. Fuji +3 more
2020Case Reports in Infectious Diseases10 citations Open access
Semantic Scholar
Thyrotoxic crisis presenting with jaundice
R. Wickramasinghe, W. Luke, B. S. Sebastiampillai, M. Gunathilake +1 more
2016BMC Research Notes10 citations Open access
Semantic Scholar
Repeated dengue shock syndrome and 'dengue myocarditis' responding dramatically to a single dose of methyl prednisolone.
R. Premaratna, K. Rodrigo, A. Anuratha, V. K. D. de Alwis +2 more
2012International Journal of Infectious Diseases9 citations Open access
Semantic Scholar
Challenges in Learning Procedural Skills: Student Perspectives and Lessons Learned for Curricular Design
K. Kodikara, Thilanka Seneviratne, P. Godamunne, R. Premaratna
2023Teaching and learning in medicine8 citations
Semantic Scholar
Expression of Nitric Oxide Synthase and Nitric Oxide Levels in Peripheral Blood Cells and Oxidized Low-Density Lipoprotein Levels in Saliva as Early Markers of Severe Dengue
Harsha Hapugaswatta, Ruwani L. Wimalasekara, S. Perera, R. Premaratna +2 more
2019bioRxiv7 citations Open access
Semantic Scholar
The role of serum ferritin in predicting plasma leakage among adults and children with dengue in Sri Lanka: a multicentre, prospective cohort study
C. Mettananda, Kesara Perera, Natheeha Nayeem, M. Nayanajith +5 more
2025The Lancet Regional Health - Southeast Asia6 citations
Semantic Scholar
Detection of pathogenic Leptospira with rapid extraction followed by recombinase polymerase amplification (RPA) and quantitative polymerase chain reaction (qPCR) assay-A comprehensive study from Sri Lanka
Hansi Uduwawala, A. Manamperi, G. Gunaratna, L. Karunanayake +5 more
2024PLoS ONE6 citations Open access
Semantic Scholar
The impact of the National Programme to Eliminate Lymphatic Filariasis on filariasis morbidity in Sri Lanka: Comparison of current status with retrospective data following the elimination of lymphatic filariasis as a public health problem
I. Gunaratna, Nilmini Chandrasena, Murali Vallipuranathan, R. Premaratna +2 more
2024PLoS Neglected Tropical Diseases5 citations Open access
Semantic Scholar
Procedural simulation in venipuncture for medical undergraduates and its transfer to the bedside: a cluster randomized study
K. Kodikara, Thilanka Seneviratne, R. Premaratna
2023Advances in Health Sciences Education5 citations
Semantic Scholar
Pre-clerkship procedural training in venipuncture: a prospective cohort study on skills acquisition and durability
K. Kodikara, Thilanka Seneviratne, R. Premaratna
2023BMC Medical Education5 citations Open access
Semantic Scholar
Predictive value of hepatic transaminases during febrile phase as a predictor of a severe form of Dengue: analysis of adult Dengue patients from a tertiary care setting of Sri Lanka
Dickowita Kankanamge Dilani Priyangika, G. Premawansa, M. Adikari, S. Thillainathan +3 more
2021BMC Research Notes5 citations Open access
Semantic Scholar
Septicaemia caused by Elizabethkingia-sp in a ‘healthy’ Sri Lankan man
B. S. Sebastiampillai, N. Luke, S. Silva, S. D. De Silva +1 more
2018Tropical doctor5 citations Open access
Semantic Scholar
Scrub typhus in Sri Lanka – beyond the stethoscope
R. Premaratna
20175 citations Open access
Semantic Scholar
Transplacental transfer of dengue.
C. Ekanayake, S. Padumadasa, R. Premaratna, S. Rajendrajith +1 more
2014Ceylon Medical Journal5 citations Open access
Semantic Scholar
Melioidosis as a cause of femoral osteomyelitis and multifocal intramuscular abscess around the hip joint in a farmer: a case report
K. Rodrigo, R. Premaratna, H. D. De Silva, E. Corea
20135 citations Open access
Semantic Scholar
Evaluation of BBIBP-CorV Sinopharm COVID-19 vaccine effectiveness in Sri Lanka: a test-negative case control study
S. D. De Silva, D. Ediriweera, W. Wimalasena, M. Kariyawasam +7 more
2024BMJ Open4 citations Open access
Semantic Scholar
Medical Student’s Experiences of Training on Simulated and Real Patients in Education: A Qualitative Exploration
K. Kodikara, Thilanka Senaviratne, R. Premaratna
2023Education in Medicine Journal4 citations Open access
Semantic Scholar
Long-term survival of a patient with single atrium and single ventricular heart: a case report
P. Lohithalingam, K. Lakmini, S. Weerasinghe, T. Pereira +1 more
2018Ceylon Medical Journal4 citations Open access
Semantic Scholar
Scrub typhus pneumonitis.
R. Premaratna, N. Ariyaratna, W. Botheju, N. Bandara +1 more
2013International Journal of Infectious Diseases4 citations Open access
Semantic Scholar
Marked eosinophilia due to intestinal strongyloidiasis in an immunocompetent patient.
Kmdj Rodrigo, R. Premaratna, T. Chandrasena, N. D. de Silva +1 more
2013Ceylon Medical Journal4 citations Open access
Semantic Scholar
Dealing with Acute Febrile Illness in the Resource Poor Tropics
R. Premaratna
20134 citations Open access
Semantic Scholar
A patient with spotted fever group rickettsiosis mimicking connective tissue disease.
R. Premaratna, EW Liyanaarachchi, R. Rajapakse, N. Bandara +1 more
2012Ceylon Medical Journal4 citations Open access
Semantic Scholar
Liver involvement in dengue virus infection: a narrative review
M. Niriella, R. Premaratna, S. Hathurusinghe, R. Premaratna +2 more
2026Journal of Clinical Virology Plus3 citations Open access
Semantic Scholar

Frequent co-authors

Invite them to SciRah by sharing their profile.

H. D. De Silva×13
Invite
H. D. De Silva — researcher profile on SciRah
Nilmini Chandrasena×8
Invite
Nilmini Chandrasena — researcher profile on SciRah
N. D. de Silva×7
Invite
N. D. de Silva — researcher profile on SciRah
K. Kodikara×4
Invite
K. Kodikara — researcher profile on SciRah

B. S. Sebastiampillai

×3

Invite

B. S. Sebastiampillai — researcher profile on SciRah

M. Gunathilake×3

Invite

M. Gunathilake — researcher profile on SciRah

Invite

N. Luke — researcher profile on SciRah

Thilanka Seneviratne×3

Invite

Thilanka Seneviratne — researcher profile on SciRah

S. Blacksell×2

Invite

S. Blacksell — researcher profile on SciRah

Invite

R. Jarman — researcher profile on SciRah

Invite

R. Gibbons — researcher profile on SciRah

A. Tanganuchitcharnchai×2

Invite

A. Tanganuchitcharnchai — researcher profile on SciRah