Objective: This retrospective study was undertaken to assess the incidence of and risk factors for febrile neutropenia (FN) during adjuvant chemotherapy for early-stage breast cancer (ESBC). Methods: A multicenter survey of three tertiary hospitals was conducted, with data extracted from the records of ESBC patients treated with adjuvant chemotherapy containing AC (doxorubicin, 60 mg/m2 and cyclophosphamide, 600 mg/m2 every 21 days). Assessments included clinical characteristics, chemotherapy dose modifications, and incidence of FN. Results: A total of 610 patients were included for analysis. The incidence of grade 4 neutropenia and FN was 44.6 and 8.5%, respectively. Reduced relative dose intensity (RDI) less than 85% occurred in 11.0% of patients, and there were treatment delays in 12.6% of patients. Multivariate analysis identified several independent predictors for FN, including the presence of grade 4 neutropenia and pretreatment calculated estimated glomerular filtration rate less than 60 ml/min. Conclusion: Patients with ESBC are at substantial risk for FN and reduced RDI when treated with adjuvant AC chemotherapy. Predictive models based on risk factors identified in this study should enable the selective application of supportive measures in an effort to deliver the full dose of chemotherapy.
Although many report intra-operative cardiac arrests (ICAs) in liver transplantation (LT), the incidence, major causes, and outcome remain unclear. We aimed to investigate retrospectively, the incidence, nature, and outcome of ICA in Asian population and to identify risk factors for ICA. Consecutive 1071 LTs in an institution during 1996-2011 (adult 920, pediatric 151/living donor liver transplantation, LDLT 841, deceased donor liver transplantation, DDLT 230) were reviewed. ICA occurred in 14 adult LTs (1.5%), but none in pediatrics. ICA occurred 1.0% and 3.3% in LDLT and DDLT, respectively. Stages of ICA incidence were three at pre-anhepatic, one at anhepatic, and 10 at neohepatic stage. Post-reperfusion syndrome (PRS) with hyperkalemia and bleeding were the major causes of ICA. While LDLT showed miscellaneous causes for ICA at various stages, DDLT incurred ICAs at neohepatic stage only. Interestingly, we did not find pulmonary thromboembolism (PTE) to incur ICA. Risk factor analysis showed no association of pre-operative patient condition, donor types, and intra-operative parameters. In this review, the incidence of ICA was low in Asian population with LDLT predominance, and while PTE was not the cause of ICA, the neohepatic stage with PRS and bleeding was the most vulnerable period to anticipate ICA.
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