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EN
Diffuse large B‐cell lymphoma (DLBCL) is the most frequent of non-Hodgkin’s lymphomas in the world. Immunochemotherapy with rituximab, doxorubicin, cyclophosphamide, vincristine, and prednisone (R‐CHOP) is the first-line treatment in this disease. Rituximab is a chimeric murine-human monoclonal anti-CD20 antibody, which binds specifically with CD20 receptor located on majority of mature B-cell lymphocytes. We are presenting the case of sudden cardiac arrest with ventricular fibrillation after intravenous injection of rituximab in a patient with DLBCL type NGC.
EN
Impaired left ventricular ejection fraction (LVEF) in patients with cancer can disqualify them from targeted antineoplastic treatment. We present the case of 63-year-old male with gastric cancer treated palliatively, with concomitant dilated cardiomyopathy, atrial fibrillation (AF) and after implantation of a cardioverter-defibrillator (ICD), in whom inappropriate ICD discharges caused unexpected return of sinus rhythm and significant LVEF improvement, what subsequently led to reclassification to targeted chemotherapy. In conclusion, unexpected return of sinus rhythm in cancer patients with AF and reduced LVEF may lead to LVEF recovery and enable the use of antineoplastic treatment with improved prognosis.
OncoReview
|
2017
|
vol. 7
|
issue 2
64-69
EN
The number of patients with cardiac implantable electronic devices (CIEDs) constantly increases and due to growing incidence of cancer, many of them will require an anticancer treatment. At least a half of patients treated for malignant neoplasms, apart from other treatment methods, require radiotherapy. Although papers presenting the results of in vitro studies provide clues on the susceptibility of CIEDs to ionizing radiation, the research methods used often stand out from typical clinical situations. Direct irradiation of the devices is avoided and the doses delivered to pulse generators are far below those seen in the in vitro studies. In this review the most important clinical observations made during irradiation of patients with CIEDs are summarized and practical directions for physicians and physicists involved in radiation treatment planning and delivery are given.
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