Transient appearance of EDTA-dependent pseudothrombocytopenia in a postoperative patient with sepsis

نویسندگان

  • Xiang Shi
  • Zhongyuan Lin
  • Liyan He
  • Wenchao Li
  • Lijun Mo
  • Yinyin Li
  • Zheng Yang
  • Wu-Ning Mo
چکیده

RATIONALE Ethylenediaminetetraacetic acid-dependent pseudothrombocytopenia (EDTA-PTCP) is a rare phenomenon characterized by spuriously low platelet counts when EDTA reacts with harvested blood. However, to the best of our knowledge, only two cases involving EDTA-PTCP in postoperative patients with sepsis have been reported. Here, we describe a case of EDTA-PTCP that appeared transiently in a postoperative patient with sepsis. PATIENT CONCERNS A 68-year-old female patient underwent laparoscopic tension-free hernioplasty for incisional hernia. Postoperatively, the patient developed very low platelet counts. The number of platelets in this patient had not improved following treatment with fresh-frozen plasma and platelet transfusions. DIAGNOSES The diagnosis of EDTA-PTCP was confirmed from the discovery of platelet aggregation in peripheral blood smears. INTERVENTIONS We used sodium citrate-anticoagulated blood samples for platelet counting. OUTCOMES The patient's platelet counts returned to normal with the use of sodium citrate-anticoagulated blood samples. Furthermore, the phenomenon of EDTA-PTCP disappeared when the patient was cured. LESSONS The phenomenon of low platelet counts in postoperative patients with sepsis should be considered as possible EDTA-PTCP. In addition, peripheral blood smears and the use of sodium citrate anticoagulant are effective and valuable methods that can help identify EDTA-PTCP.

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عنوان ژورنال:

دوره 96  شماره 

صفحات  -

تاریخ انتشار 2017