Hematology/oncology clinics of North America
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Hematol. Oncol. Clin. North Am. · Jun 1989
ReviewNonmalignant complications of therapy for Hodgkin's disease.
Patients successfully treated for Hodgkin's disease provide the oncologist with an opportunity and a responsibility to evaluate long-term adverse effects of staging procedures and treatment regimens. This is necessary both to better understand the often unique clinical problems that develop long after completion of treatment for Hodgkin's disease and to more critically evaluate new treatment programs by comparison with existing effective but toxic regimens. Long-term survivors of Hodgkin's disease have various, often subclinical, cardiac abnormalities that result from both radiation and chemotherapy. ⋯ A variety of immunologic disturbances exists before and after treatment and predisposes to significant viral and bacterial infections. Finally, hypothyroidism and premature gonadal failure may follow therapy and require long-term hormone replacement. Further therapeutic advances for Hodgkin's disease will continue to alter this spectrum of complications, which, if unrecognized, may produce significant ongoing morbidity for long-term survivors.
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This article discusses the presentation and evolution of therapy of pediatric Hodgkin's disease, contrasted with developments in adults. The issues of staging, treatment, and toxicity of radiotherapy, chemotherapy, and combined modality therapy are discussed. Recommendations for therapy are presented.
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Vitamin K catalyzes the post-translational carboxylation of coagulation proteins C, S, and factors II, VII, XI, and X. Detection of the noncarboxylated forms allows an indirect and specific measure of the vitamin K deficiency found in early, classic, and late hemorrhagic disease of the newborn (HDN), malabsorption syndromes, and drug related (warfarin, anticonvulsants, and antibiotics) states. Idiopathic late HDN (CNS bleeding) occurs in exclusively breast-fed infants and is prevented by appropriate parenteral and oral vitamin K prophylaxis given at birth. All newborn infants and older infants with malabsorption syndromes should receive prophylactic vitamin K.