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Year : 2020  |  Volume : 10  |  Issue : 5  |  Page : 28-32

Hemostatic derangement in leptospirosis: A prospective cross-sectional study

1 Department of Immunology, Institute of Biochemistry, Molecular Biology and Biotechnology, University of Colombo, Colombo, Sri Lanka
2 Department of Clinical Medicine, Faculty of Medicine, General Sir John Kotelawala Defence University, Colombo, Sri Lanka
3 Department of Pathology, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka
4 King's Thrombosis Center, King's College Hospital, London, England, UK
5 Department of Clinical Medicine, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka

Correspondence Address:
Prof. Senaka Rajapakse
Department of Clinical Medicine, Faculty of Medicine, University of Colombo, 25, Kynsey Road, Colombo
Sri Lanka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/IJCIIS.IJCIIS_52_19

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Context: Coagulation abnormalities have been observed among leptospirosis patients. However, coagulopathy in severe leptospirosis has not been further characterized. Aims: The aim of this study was to evaluate conventional coagulation and rotational thromboelastometry (ROTEM®) parameters in leptospirosis patients. Settings and Design: This prospective cross-sectional comparative study included patients presenting to a tertiary hospital in Sri Lanka with clinically and serologically confirmed leptospirosis (14 severe and 6 mild), dengue (6), sepsis (5), and 6 healthy individuals. Subjects and Methods: Blood samples were collected between the 3rd and 10th days of illness for prothrombin time (PT), activated partial thromboplastin time (aPTT), thrombin time (TT), fibrinogen, lupus anticoagulant, factors VII and VIII, D-dimer, platelet count, and ROTEM. Statistical Analysis Used: ANOVA post hoc comparison using Bonferroni was applied to compare groups. Results: PT and aPTT were prolonged in leptospirosis patients and were corrected with normal plasma. TT was not significantly prolonged in leptospirosis. Fibrinogen was significantly elevated in severe leptospirosis (P = 0.001) and sepsis (P = 0.001) compared with healthy controls and dengue. Thirty percent of leptospirosis patients had thrombocytopenia (17% in mild and 36% in severe). No significant differences were seen in inTEM clotting time (CT) and exTEM CT in leptospirosis when compared to the other three groups. inTEM clot formation time (CFT) and exTEM CFT in dengue were significantly higher compared to severe (P = 0.001) and mild (P = 0.005) leptospirosis. inTEM maximum clot firmness (MCF) (P = 0.001) and exTEM MCF (P = 0.001) were significantly lower in dengue than in leptospirosis. Only one patient with leptospirosis had bleeding manifestations. Conclusions: Abnormalities in conventional coagulation parameters occur in leptospirosis. However, ROTEM parameters in leptospirosis are not significantly altered.

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