Coronary angioscopy in the diagnosis of graft coronary artery disease in heart transplant recipients.
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Biomedical subjects
Publications and source records attributed to C J White.
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Female rats bearing DMBA induced mammary carcinomas were treated with a new anthraquinone derivative related to mitoxantrone. The drug was administered at a dose of 5 mg/kg daily for 10 days. Tumor regression was noted in 78% of the animals with growth rate reduced from +74.91% to -12.60%. The results demonstrate that replacement of a polar hydroxy group of mitoxantrone with a nonpolar hydrocarbon moiety does not impair its antitumor activity and in fact may influence its availability to endocrine systems.
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Cardiac allograft vasculopathy is one of the most common obstacles to the long-term survival of heart transplant recipients. Percutaneous transluminal angioplasty has been used as a palliative treatment for discrete lesions caused by this disease, but it is often complicated by restenosis. This report describes two cases in which directional coronary atherectomy was used to treat the discrete lesions and explores the possible advantages of this intervention in lieu of the traditional approach. Our results suggest that directional coronary atherectomy is a feasible alternative to conventional balloon angioplasty.