Study of malaria in febrile patients attending tertiary health care center and evaluation of peripheral smear examination, quantitative buffy coat and rapid diagnostic test in the diagnosis of malaria

Authors

  • K. Vidyasagar Department of Microbiology, Adichunchanagiri Institute of Medical Sciences, Adichunchanagiri University, BG Nagara, Nagamangala Taluk, Mandya District, Karnataka, India
  • Venkatesha D. Department of Microbiology, Adichunchanagiri Institute of Medical Sciences, Adichunchanagiri University, BG Nagara, Nagamangala Taluk, Mandya District, Karnataka, India

DOI:

https://doi.org/10.18203/2320-6012.ijrms20222866

Keywords:

Malaria, Peripheral blood smear examination, Quantitative buffy coat, Rapid diagnostic test

Abstract

Background: The objective was to study the prevalence of malaria in febrile patients attending the hospital and to evaluate peripheral smear examination, quantitative buffy coat and rapid diagnostic test in the diagnosis of malaria.

Methods: The study group includes 208 patients presenting with fever with chills and rigor and other suggestive symptoms of malaria attending the tertiary care center. 5 ml of venous blood was collected in ethylene diamine tetra acetate (EDTA) tube from each patient and the samples were processed for peripheral blood smear examination, quantitative buffy coat (QBC) and antigen detection by rapid diagnostic test (RDT).

Results: Out of 208 suspected cases of malaria, 3 (1.44%) were positive for malaria and 205 (98.55%) were negative, the prevalence of malaria was found to be 1.44%. Of total 208 cases tested, 3 cases (1.44%) were positive for malaria by peripheral blood smear examination and by QBC and with rapid diagnostic test only 2 cases (0.96%) were positive. P. vivax was detected in all 3 positive cases.

Conclusions: Peripheral smear examination is considered as gold standard method for diagnosis of malaria. QBC can be helpful when an experienced microscopist is not available. Rapid diagnostic tests are simple, rapid, do not need expertise, interpretation of results is easy and objective and useful in routine diagnosis.

 

References

World Health Organization. WHO Guidelines for malaria 2022. Available at: https://www.who.int/ publications/i/item/guidelines-for-malaria. Accessed on 12 December 2021.

World Health Organization. World malaria report 2021. Available at: https://www.who.int /teams/global-malaria-programme/reports/world-malaria-report-2021. Accessed on 2 December 2021.

National Vector Borne Disease Control Programme. Malaria report 2021. Available at: https://nvbdcp. gov.in/index4.php?lang=1&level=0&linkid=420&lid=3699. Accessed on 16 November 2021.

Parija SC, Dhodapkar R, Elangovan S, Chaya DR. A comparative study of blood smear, QBC and antigen detection for diagnosis of malaria. Indian J Pathol Microbiol. 2009;52(2):200-2.

Parija SC. Textbook of medical parasitology. 6th edn. Chennai: AIPHD; 2019:135-138.

Baird JK, Purnomo, Jones TR. Diagnosis of malaria in the field by fluorescence microscopy of QBC capillary tubés. Trans R Soc Trop Med Hyg. 1992;86:3-5.

Malaria P.f/Pan Ag malaria antigen test kit, manufactured by SD Biosensor Co, India. Available at: https://www.sdbiosensor.co.in/product-standard-q--malaria-pfpv-ag--rapid-kit-39.php. Accessed on 10 December 2021.

Muddaiah M, Prakash PS. A study of clinical profile of malaria in a tertiary referral centre in South Canara. J Vector Borne Dis. 2006;43(1):29-33.

Durand F, Crassous B, Fricker-Hidalgo H, Carpentier F, Brion JP, Grillot R, et al. Performance of the Now Malaria rapid diagnostic test with returned travellers: a 2-year retrospective study in a French teaching hospital. Clin Microbiol Infect. 2005;11(11):903-7.

Mendiratta D, Bhutada K, Narang R, Narang P. Evaluation of different methods for diagnosis of P. falciparum malaria. Indian J Med Microbiol. 2006;24(1):49-51.

Chayani N, Das B, Sur M, Bajoria S. Comparison of parasite lactate dehydrogenase based immunochromatographic antigen detection assay (optimal) with microscopy for detection of malaria parasites. Indian J Med Microbiol. 2004;22(2):104-6.

Bhandari PL, Raghuveer CV, Rajeev A, Bhandari PD. Comparative study of peripheral blood smear, quantitative buffy coat and modified centrifuged blood smear in malaria diagnosis. Indian J. Pathol. Microbiol. 2008;51(1):108-12.

Moody A. Rapid diagnostic tests for malaria parasites. Clin Microbiol Rev. 2002;15(1):66-78.

Downloads

Published

2022-10-28

How to Cite

Vidyasagar, K., & D., V. (2022). Study of malaria in febrile patients attending tertiary health care center and evaluation of peripheral smear examination, quantitative buffy coat and rapid diagnostic test in the diagnosis of malaria. International Journal of Research in Medical Sciences, 10(11), 2602–2605. https://doi.org/10.18203/2320-6012.ijrms20222866

Issue

Section

Original Research Articles