Use of Immature Platelet Fraction as a Prognostic Marker in Dengue Fever

Amina Hussain; Asif  Niaz; Muhammad Tahir  Younas; Uzma  Qayyum; Fuad Ahmed  Siddiqui; Sana  Uruj

doi:10.51253/pafmj.v74i3.10317

Authors

Amina Hussain Department of Medicine, Pakistan Air Force Hospital, Islamabad Pakistan
Asif Niaz Department of Medicine, Pakistan Air Force Hospital, Islamabad Pakistan
Muhammad Tahir Younas Department of Medicine, Pakistan Air Force Hospital, Islamabad Pakistan
Uzma Qayyum Department of Medicine, Combined Military Hospital, Quetta/National University of Medical Sciences (NUMS) Pakistan
Fuad Ahmed Siddiqui Department of Medicine, Combined Military Hospital, Peshawar/National University of Medical Sciences (NUMS) Pakistan
Sana Uruj Department of Medicine, Pak Emirates Military Hospital/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan

DOI:

https://doi.org/10.51253/pafmj.v74i3.10317

Keywords:

Dengue fever; Immature platelet fraction; Prognostic marker.

Abstract

Objective: To investigate the relationship between immature platelet fraction and poor short-term prognosis in dengue fever patients.

Study Design: Comparative cross-sectional study.

Place and Duration of Study: Pakistan Air Force Hospital, Islamabad Pakistan, from Oct to Dec 2022.

Methodology: In this study, a total of 300 cases had a confirmed diagnosis of dengue fever and were admitted to the hospital. An immature platelet fraction was performed on all the patients on the fifth day of febrile illness. All the patients were monitored closely by the treating team at 24, 48, and 72 hours for the presence of thrombocytopenia on the complete blood picture or other clinical complications of dengue fever.

Results: In the study, the median age of patients with dengue fever was 36(IQR-42) years. Out of 350 patients, 239(68.2%) were males, while 111(31.8%) were females. 282(80.5%) patients had a good prognosis, while 68(19.5%) did not have a good prognosis and showed clinical or haematological manifestations. On the fifth day of illness, 279(79.7%) had an IPF of >10%, whereas 71(20.3%) had an IPF of <10%. A statistical test revealed that IPF of less than 10% had a statistically significant association with poor prognosis in patients treated for dengue fever (p-value<0.001).

Conclusion: The immature platelet fraction was found to be less than 10% in a considerable number of patients. In the first week of illness, a decreased immature platelet fraction was found to be associated with the presence of thrombocytopenia and other clinical complications among patients managed for dengue fever.

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