Objective: To find out the frequency of plasma leak as evident by pleural effusion and ascites in the patients of dengue fever. Study Design: Cross-sectional study. Place and Duration: Medical unit of Hayatabad Medical Complex, Peshawar Pakistan from April 2021 to September 2021. Methodology: Patients diagnosed as having dengue fever based on positive dengue antigen (NS 1) test or antibodies serology on enzyme linked immunosorbent assay (ELISA) were evaluated. Plasma leak was defined as having ascites or pleural effusion evident on ultrasound or X ray chest of the patients with active dengue fever. Hematocrit of >50% in female and 55% in male was considered as indirect indicator of plasma leak. Results: In a total of 154 patients, 89 (57.8%) were male and 65 (42.2%) female with age ranging between 14 to 75 years while mean age was 40.6±15.54 years. The over all frequency of plasma leak as evident by ascites or pleural effusion was 44.2% (n=68. The minimum duration in which plasma leak was noted, remained 4 days while the maximum was 8 days after the start of illness. The duration of patient’s hospital stay was 5 to 17 days (mean 9.53±3.43 days). Practical implications: The frequency of plasma leak was higher in complicated dengue fever patients as compared to patients with less or no complications. Conclusion: Plasma leak is an important and frequent feature of dengue fever. X ray chest and ultrasound can detect majority of plasma leak in patients with hemoconcentration. Keywords: dengue fever, plasma leak, dengue NS1, dengue shock, dengue hemorrhage
Background: Dengue fever is becoming endemic in Pakistan as shown by its increasing prevalence in the summer seasons foralmost the last decade. Elevation of liver enzymes indicating underlying liver damage, is a common phenomenon and may beassociated with other complications.Objective: To find out the frequency of hepatocellular damage in the patients presenting with dengue fever as evident by elevatedliver enzymes.Material and Methods: This was a descriptive study performed in the medical unit of Hayatabad Medical Complex PeshawarPakistan. Patients were consecutively collected from the wards, outpatients, and emergency department. The patient's collectionwas from the year 2022 epidemic from 10th Jul to 23rd Oct. Patients with consistent clinical features, were diagnosed on the bases ofdengue NS1 test and antibodies titers. Liver enzymes, complete blood counts and ultrasound were performed to find out anyevidence of liver damage and plasma leaks as evident by pleural effusion or ascites. Alanine aminotransferase (ALT) of more than50 U/L was considered as elevated in our study. Patients with elevated liver enzymes due to expected reasons other than denguefever as per clinical records, were excluded from the study. The patient's data was noted on a preformed Performa for furtheranalysis.Results: We consecutively collected 500 patients for the study. The number of male patients was 59% (n=295) while femalepatients were 41% (n=205). The age range was 15 to 75 years (mean 45, SD 21.32). The overall frequency of elevated (ALT) was68.2% (n=341). Stratification of patients according to the ALT level shows that only 13.68% were having anALT level of more than300 U/L. The frequency was 45.45% in patients without complications, 91.60% in patients with warning signs, 85.71% insevere dengue and 100% with acute liver failure. Patients with an alanine aminotransferase (ALT) of =>300U/L werehaving a hospital stay of 5 to 12 days (mean 8.81, SD 2.6) days verses 4 to 9 days (mean 5.8, SD 1.9) in the patients having<300U/LConclusion: Most of the patients with dengue fever have elevated alanine aminotransferase level indicative of underlyinghepatocellular damage. Such patients usually recover without any serious consequences except those having elevation of 300U/lor more whose hospital stay was prolonged, and a smaller percentage was associated with acute liver failure.Keywords: dengue fever, dengue NS1, hepatocellular damage, liver enzymes, hospital stay.
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