Key result
Intraoperative platelet transfusion linked to posttransfusion purpura and hemorrhagic pericarditis 11 days after cardiac surgery.
Case Report (n=1)
No
This case highlights the diagnostic challenge of profound thrombocytopenia presenting with dyspnea rather than bleeding 11 days after cardiac surgery, emphasizing the need to consider destructive thrombocytopenias such as posttransfusion purpura.
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May warrant vigilance for posttransfusion purpura in delayed postoperative thrombocytopenia; leaves open incidence and prevention in larger cohorts.
Vuong et al. (2025) conducted a case report in Profound thrombocytopenia and dyspnea post-cardiac surgery (n=1). Intravenous immunoglobulin (IVIG) and pericardiocentesis was evaluated. Intraoperative platelet transfusion during cardiac surgery resulted in posttransfusion purpura, presenting 11 days later with profound thrombocytopenia (7 × 10^9/L) and hemorrhagic pericarditis.
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