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Abstract
A retrospective observational study of dengue fever was performed, including 210 patients (male:female ratio 1.6:1, ages 6–74 y, mean 29.7 y) attending the Aga Khan University Hospital, Karachi from January 2001 to December 2006. All included patients proved dengue IgM antibody positive. Of these, 19 (9%) showed increased haemoglobin/haematocrit levels on admission which remained elevated in 4 (2.1%) at the time of discharge. 56 patients (26.6%) had leucopenia and neutropenia and 77.1% (161) had thrombocytopenia at the time of admission; 2.5% (5) and 16.7% (35) had deranged PT and APTT, respectively. Atypical lymphocytes were seen in 109 patients (52%). Platelet transfusion was given in 45 (22.1%) cases. The majority of patients were discharged without any adverse sequelae. The fatality rate was 3.3% (n =7) and these patients died of dengue shock syndrome, while 196 (93.3%) recovered completely. Haematological parameters are an important clue and should be tested when a patient presents with symptoms suggestive of dengue fever.
Notes
*PT Control 12 s
**APTT Control 30 s
