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Kohlschein, Peter; Bänsch, Dietmar; Dreißiger, Katrin; Schuff-Werner, Peter

Exclusion of Thrombocytopenia as a Contraindication for Invasive Radiofrequency Ablation in a Patient with Paroxysmal Atrial Fibrillation by Using Magnesium Anticoagulation Instead of EDTA: Another Case of Anticoagulant-Induced Pseudo-Thrombocytopenia

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  • Medientyp: E-Artikel
  • Titel: Exclusion of Thrombocytopenia as a Contraindication for Invasive Radiofrequency Ablation in a Patient with Paroxysmal Atrial Fibrillation by Using Magnesium Anticoagulation Instead of EDTA: Another Case of Anticoagulant-Induced Pseudo-Thrombocytopenia
  • Beteiligte: Kohlschein, Peter; Bänsch, Dietmar; Dreißiger, Katrin; Schuff-Werner, Peter
  • Erschienen: Forum Multimedia Publishing LLC, 2015
  • Erschienen in: The Heart Surgery Forum
  • Sprache: Nicht zu entscheiden
  • DOI: 10.1532/hsf.1323
  • ISSN: 1522-6662; 1098-3511
  • Schlagwörter: Cardiology and Cardiovascular Medicine ; Surgery ; Psychiatry and Mental health
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:p>&lt;p class="p1"&gt;&lt;span class="s1"&gt;Thrombocytopenia might be an exclusion criterion for invasive radiofrequency catheter ablation; therefore it is necessary to differentiate between pseudo-thrombocytopenia and a low platelet count due to other etiologies.&lt;/span&gt;&lt;/p&gt;&lt;p class="p1"&gt;&lt;span class="s2"&gt;A 69-year-old female presented to the cardiology department with recurrent atrial fibrillation that was resistant to conventional drug treatment. The initial laboratory findings were within the normal ranges, except for low platelet counts that occurred without a specific bleeding history. The reason for thrombocytopenia was anticoagulant-induced in vitro aggregation of platelets in the presence of EDTA as well as in citrated blood samples. As recently communicated, magnesium anticoagulated blood samples prevent platelet aggregation in individuals with anticoagulant-associated pseudo-thrombocytopenia. Although its aggregation-inhibiting effect is known from previous clinical observations, magnesium sulphate has not been introduced as an anticoagulant in analytical medicine.&lt;/span&gt;&lt;/p&gt;&lt;p class="p1"&gt;&lt;span class="s1"&gt;Based on our observations, blood anticoagulated with magnesium sulphate is recommended to verify low routine platelet counts before final clinical decisions are made. &lt;/span&gt;&lt;/p&gt;</jats:p>
  • Zugangsstatus: Freier Zugang