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The follow electronic only articles are published in conjunction with this issue of Heart.

Angina with a normal coronary angiogram caused by amyloidosis

D C Whitaker, M F Tungekar, J E Dussek

A case of severe intractable angina pectoris with normal angiography is presented. Following video assisted thoracic sympathectomy the patient died of heart failure. Microvascular cardiac amyloidosis was diagnosed at the postmortem examination. This report alerts clinicians to this possible diagnosis when treating patients with severe angina when no cause is found and discusses the poor prognosis in such cases.

(Heart 2004;90:e54) www.heartjnl.com/cgi/content/full/90/9/e54

Prolonged profound abciximab associated immune thrombocytopenia complicated by transient multispecific platelet antibodies

J A G Lown, A S Hughes, P Cannell

Patients receiving abciximab occasionally develop transient severe thrombocytopenia within a few hours of receiving the drug. Thrombocytopenia has been reported to resolve within 10 days of abciximab administration, but in this case profound thrombocytopenia lasted 21 days before a slow spontaneous recovery. Management was complicated by the presence of HLA antibodies and the transient production of antibodies directed at major platelet glycoproteins IIb/IIIa, Ib/IX, and Ia/IIa. The patient remained refractory to platelet transfusion and two courses of intravenous gammaglobulin for the duration of her admission.

(Heart 2004;90:e55) www.heartjnl.com/cgi/content/full/90/9/e55

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