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Vaccine-induced immune thrombotic thrombocytopenia (VITT) has been reported following vaccination with ChAdOx2 nCov-19 (AstraZeneca) and Ad26.
COV2.
S (Johnson & Johnson/Janssen)
.
However, little is known about the optimal treatment regimen for patients suspected of VITT
Vaccine-induced immune thrombotic thrombocytopenia (VITT) has been reported following vaccination with ChAdOx2 nCov-19 (AstraZeneca) and Ad26.
Case: Case:
A 26-year-old female patient received the first dose of ChAdOx1nCov-19 on March 26, 2021
.
The patient had been taking progestin-only oral contraceptives (desogestrel 75 μg) for 1 year and was obese (BMI 31 kg/m 2 ) but never smoked
A 26-year-old female patient received the first dose of ChAdOx1nCov-19 on March 26, 2021
Nine days after vaccination, the patient had pain and swelling in the right calf
Figure: D-dimer levels and platelet counts under treatment
.
Following high-dose IVIG (1 g/kg on days 1 and 2) and intravenous argatroban, D-dimer levels decreased slowly (red line) and platelet counts increased (blue line)
Figure: D-dimer levels and platelet counts under treatment
There were no clinical symptoms of cerebral venous thrombosis (CVT) or pulmonary embolism at this time
Venous ultrasonography on hospital day 9 (day 17 post-vaccination) revealed residual thrombotic material in the right peroneal vein
The investigators recommend immediate IVIG and parental anticoagulation with a non-heparin anticoagulant (eg, argatroban iv) in all VTE patients with high suspicion of VITT
Original source:
Kemper M, Lenz G, Mesters R, M: Successful Treatment of Vaccine-Induced Immune Thrombotic Thrombocytopenia in a 26-Year-Old Female Patient.
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