The need for long-term surveillance for patients treated with curative radiotherapy for Hodgkin's disease: University of Minnesota experience

Chung K Lee, Dorothee Aeppli, Mary E. Nierengarten

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92 Scopus citations

Abstract

Purpose: To examine the long-term outcome of Stage I, II, and III patients treated with curative radiotherapy for Hodgkin's disease at the University of Minnesota Hospital, with particular focus on long-term treatment-related complications and the need for long-term surveillance after treatment. Methods and Materials: A total of 210 Stage I, II, and III patients (98 female, 112 male) treated at the University of Minnesota since 1970 were included in this study. All patients were laparotomy staged. Between 1970 and 1974, 35 high-risk patients (i.e., patients with large mediastinal mass, and/or hilar disease, and/or splenic involvement) and 40 low-risk patients were treated with standard field radiotherapy. From 1975 on, 67 high-risk patients received radical radiotherapy because of poor outcomes with standard radiotherapy, and 68 low-risk patients received standard radiotherapy. Salvage chemotherapy was given to 62 patients who recurred. Median follow-up for all patients was 15.6 years (range 0.35-26.5 years). Long-term complications after treatment were assessed using standardized incidence ratios (SIR) and mortality ratios (SMR), with particular focus on cardiac complications and secondary malignancies. Results: By study end, 70% of the patients are alive and 70% had never recurred. Complications included 33 second malignancies and 75 cardiovascular events. Patients treated for Hodgkin's disease had about 7 times the risk of dying from cardiac problems (SMR = 7.2) and 10 times the risk of dying from a second malignancy (SMR = 10.3) compared to the general population. In terms of absolute risk, Hodgkin's disease would cause seven additional deaths from secondary malignancies per year among 1000 patients and four additional deaths from cardiac problems.Conclusion: Hodgkin's disease patients treated successfully with radiotherapy are at an increased risk for developing long-term treatment-related cardiac disease and/or second malignancies. Careful monitoring of these patients is essential to manage morbidity and minimize mortality from these complications. Suggestions for the establishment of worldwide surveillance programs for these patients are proposed. Copyright (C) 2000 Elsevier Science Inc.

Original languageEnglish (US)
Pages (from-to)169-179
Number of pages11
JournalInternational Journal of Radiation Oncology Biology Physics
Volume48
Issue number1
DOIs
StatePublished - Aug 1 2000

Keywords

  • Cardiovascular disease
  • Complications
  • Hodgkin's disease
  • Radiotherapy
  • Second malignancies

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