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Improving survival of retinoblastoma in Uganda

机译:提高乌干达视网膜母细胞瘤的存活率

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摘要

BACKGROUND: Diagnostic delay results in relatively high mortality among children with retinoblastoma in Uganda, where treatment was limited to surgery and, for some, radiotherapy. In order to improve outcomes, a simple programme of neoadjuvant and adjuvant chemotherapy was introduced. Here we report survival before and after this change to medical practice. METHODS: Affordable standard off-patent chemotherapy agents were administered by trained paramedical staff to groups of patients at the same time. Survival before and after the introduction of chemotherapy was monitored. Between 2006 and 2013 a total of 270 patients with retinoblastoma were included, 181 treated prior to chemotherapy and 89 after (beginning in 2009). We had 94% follow-up and 249 had histological verification of diagnosis. RESULTS: Using a proportional hazards model adjusted for age, sex and laterality, children treated after chemotherapy was introduced had a 37% lower risk of dying (HR 0.63, 95% CI 0.41 to 0.99) compared with children treated before. Prior to the introduction of chemotherapy only 15% of children who survived bilateral disease retained vision after treatment compared with 71% after chemotherapy. CONCLUSIONS: The introduction of chemotherapy proved safe and cost-effective in non-specialist hands and was associated with significant improvements in survival and, among bilateral cases, in preserving vision.
机译:背景:诊断延误导致乌干达视网膜母细胞瘤患儿的死亡率相对较高,乌干达的治疗仅限于手术和某些放射疗法。为了改善预后,引入了新辅助化疗方案。在这里,我们报告在改变医疗实践之前和之后的生存率。方法:由受过训练的辅助医疗人员将经济实惠的标准非专利化疗药物同时施用于各组患者。监测化疗前后的生存情况。在2006年至2013年之间,总共纳入了270例视网膜母细胞瘤患者,其中181例在化疗之前接受了治疗,89例在治疗之后(从2009年开始)。我们进行了94%的随访,其中249例进行了组织学检查。结果:采用针对年龄,性别和偏侧性调整的比例风险模型,引入化疗后接受治疗的儿童与之前接受治疗的儿童相比,死亡风险降低了37%(HR 0.63,95%CI 0.41至0.99)。在采用化学疗法之前,只有15%患双侧疾病的儿童在治疗后仍保留了视力,而化学疗法后为71%。结论:在非专业人士的手中,化学疗法的引入被证明是安全且具有成本效益的,并且与生存率的显着提高有关,在双侧病例中,与保留视力有关。

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