A Rare Case of Coronavirus Disease 2019 Vaccine-Associated Cerebral Venous Sinus Thrombosis Treated with Mechanical Thrombectomy

Hitesh Gurjar, Manjeet Dhallu, Dmitry Lvovsky, Samiyah Sadullah, Sridhar Chilimuri

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Patient: Female, 56-year-old Final Diagnosis: Cerebral venous sinus thrombosis (CVST) Symptoms: Altered mental status • left sided weakness Medication: — Clinical Procedure: Mechanical thrombectomy Specialty: Critical Care Medicine • Neurology Objective: Background: Case Report: Conclusions: Rare disease Vaccine-related thrombosis and thrombocytopenia syndrome (TTS) is a rare life-threatening syndrome reported after vaccination against COVID-19. We describe a case of 56-year-old postmenopausal, obese woman with hypothyroidism and hyperlipidemia, who presented to the Emergency Department (ED) with fluctuating mental status and left-side weakness for 5 days. She received her first and second dose of mRNA-1273 vaccine (Moderna) at 12 and 8 weeks, respec-tively, prior to presentation. She was found to have multiple hemorrhages and infarcts on a computed tomog-raphy (CT) scan of the head. She was intubated in the ED for airway protection and mechanically ventilated. Magnetic resonance angiogram and venogram showed multiple infarcts in right frontal, parietal, and left parietal lobes, along with occlusion of left-side transverse sinus, sagittal sinuses, and left internal jugular vein, suggesting cerebral venous sinus thrombosis (CVST). Despite anticoagulation, her clinical condition continued to worsen, and she was referred for emergent endovascular thrombectomy. Her clinical condition improved after thrombectomy, and she was discharged on warfarin. At 4-month follow-up, she was able to walk with an assistive device and able to carry out activities of daily living with assistance. She is planned for further work-up for hypercoagulable state at follow-up. This case highlights the occurrence of vaccine-related thrombosis 3 months after vaccine administration. Only 2 cases of TTS have been reported so far after mRNA-1273 vaccination (Moderna). To the best of our knowl-edge, this is the first reported case of CVST presenting 3 months after the first dose of COVID-19 mRNA-1273 vaccine (Moderna).

Original languageEnglish
Article numbere935355
JournalAmerican Journal of Case Reports
Issue number1
StatePublished - 2022


  • COVID-19 Vaccines
  • Intracranial Thrombosis
  • MRNA-1273 Vaccine
  • Sinus Thrombosis, Intracranial
  • Stroke
  • Thrombectomy


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