Open AccessD-Dimer and Coagulation profile are significant prognostic indicators in COVID-19 patients – A retrospective study in a tertiary healthcare hospital
Author(s) -
Kolla Vinod,
R Sivasankari,
Abhishek Kumar,
Manjari Rajagopalan,
Georgin Shahji
Publication year - 2021
Publication title -
indian journal of immunology and respiratory medicine
Language(s) - English
Resource type - Journals
ISSN - 2456-012X
DOI - 10.18231/j.ijirm.2021.041
Subject(s) - medicine , partial thromboplastin time , prothrombin time , d dimer , gastroenterology , covid-19 , coagulation , retrospective cohort study , disease , infectious disease (medical specialty)
To determine the value of coagulation indicators: D-dimer (DD), prothrombin time (PT), activated partial thromboplastin time (APTT), thrombin time (TT), in predicting the severity and prognosis of COVID-19. Around 150 patients with confirmed COVID-19 disease, who were admitted at Rajarajeswari Medical College and Hospital, Bangalore between April 15 2021 and July 15, 2021, were included in the study. The changes of D-Dimer, PT, APTT were tested, and the correlation with, clinical classifications, demographics, CT imaging, vaccination status against COVID-19 and prognosis were observed. Coagulation disorder occurred at the early stage of COVID-19 infection, in a total of 150 patients observed, 109 (72.66%, St. deviation of 4.26) patients having DD increased at time of admission and 148 patients (98.66%) having increased coagulation profile. The levels of DD and coagulation profile were correlated with clinical classification and also the CT severity and vaccination status. Among 41(27.33%) patients who died, 31(20.66%) patients had DD increased at the first lab test, 40 (26.66%) patients had DD increased on the fifth day of lab tests. The results shows that D-dimer is raised in severe category of COVID-19 infection. Also the CT severity is high (severe, with CT score>15) 71(47.33%) patients with increased D-dimer on admission. It was observed that 41(27.33%) patients who were vaccinated had increased D-dimer 70(46.66%) compared to unvaccinated patients. In addition, with the progression of the disease, the change of CT imaging was closely related to the increase of the DD value (P <0.01). Coagulation dysfunction is more likely to occur in severe and critically ill patients. DD and PT could be used as the significant indicators in predicting the mortality of COVID-19 and measuring the level of D-dimer and coagulation parameters from the early stage of the disease can also be useful in controlling and managing of COVID-19 disease, also vaccinated patients had better outcome among the unvaccinated patients.