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Prognostic analysis of refractory anaemia in adult myelodysplastic syndromes 被引量:2

Prognostic analysis of refractory anaemia in adult myelodysplastic syndromes
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摘要 Background Patients with myelodysplastic syndrome (MDS) display a very diverse pattern. In this study, we investigated prognostic factors and survival rate in adult patients with MDS refractory anaemia (MDS-RA) diagnosed according to French-American-British classification and evaluated the International Prognostic Scoring System (tPSS) for Chinese patients. Methods A multi-center study on diagnosis of MDS-RA was conducted to characterize the clinical features of Chinese MDS patients. The morphological criteria for the diagnosis of MDS-RA were first standardized. Clinical data of 307 MDS-RA patients collected from Shanghai, Suzhou and Beijing from 1995 to 2006 were analyzed using Kaplan-Meier curve, log rank and Cox regression model. Results The median age of 307 MDS-RA cases was 52 years. The frequency of 2 or 3 lineage cytopenias was 85.6%. Abnormal karyotype occurred in 35.7% of 235 patients. There were 165 cases (70.2%) in the good IPSS cytogenetic subgroup, 44 cases (18.7%) intermediate and 26 cases (11.1%) poor. IPSS showed 20 (8.5%) categorized as low risk, 195 cases (83.0%) as intermediate-Ⅰ risk and 20 cases (8.5%) as intermediate-Ⅱ risk. The 1-, 2-, 3-, 4- and 5-year survival rates were 90.8%, 85.7%, 82.9%, 74.9% and 71.2% respectively. Fifteen cases (4.9%) transformed to acute myeloid leukaemia (median time 15.9 months, range 3-102 months). Lower white blood cell count (〈1.5×10^9/L), platelet count (〈30×10^9/L) and cytogenetic abnormalities were independent prognostic factors by multivariate analysis, but age (〉65 years), IPSS cytogenetic subgroup and IPSS risk subgroup were not independent prognostic factors associated with survival time. Conclusions Chinese patients were younger, and had lower incidence of cytogenetic abnormalities, more severe cytopenias but a more favourable prognosis than Western patients. The major prognostic factors were lower white blood cell count, lower platelet count and fewer abnormal karyotypes. The international prognostic scoring system risk group was not an independent prognostic factor for Chinese myelodysplastic syndrome patients with refractory anaemia patients. Background Patients with myelodysplastic syndrome (MDS) display a very diverse pattern. In this study, we investigated prognostic factors and survival rate in adult patients with MDS refractory anaemia (MDS-RA) diagnosed according to French-American-British classification and evaluated the International Prognostic Scoring System (tPSS) for Chinese patients. Methods A multi-center study on diagnosis of MDS-RA was conducted to characterize the clinical features of Chinese MDS patients. The morphological criteria for the diagnosis of MDS-RA were first standardized. Clinical data of 307 MDS-RA patients collected from Shanghai, Suzhou and Beijing from 1995 to 2006 were analyzed using Kaplan-Meier curve, log rank and Cox regression model. Results The median age of 307 MDS-RA cases was 52 years. The frequency of 2 or 3 lineage cytopenias was 85.6%. Abnormal karyotype occurred in 35.7% of 235 patients. There were 165 cases (70.2%) in the good IPSS cytogenetic subgroup, 44 cases (18.7%) intermediate and 26 cases (11.1%) poor. IPSS showed 20 (8.5%) categorized as low risk, 195 cases (83.0%) as intermediate-Ⅰ risk and 20 cases (8.5%) as intermediate-Ⅱ risk. The 1-, 2-, 3-, 4- and 5-year survival rates were 90.8%, 85.7%, 82.9%, 74.9% and 71.2% respectively. Fifteen cases (4.9%) transformed to acute myeloid leukaemia (median time 15.9 months, range 3-102 months). Lower white blood cell count (〈1.5×10^9/L), platelet count (〈30×10^9/L) and cytogenetic abnormalities were independent prognostic factors by multivariate analysis, but age (〉65 years), IPSS cytogenetic subgroup and IPSS risk subgroup were not independent prognostic factors associated with survival time. Conclusions Chinese patients were younger, and had lower incidence of cytogenetic abnormalities, more severe cytopenias but a more favourable prognosis than Western patients. The major prognostic factors were lower white blood cell count, lower platelet count and fewer abnormal karyotypes. The international prognostic scoring system risk group was not an independent prognostic factor for Chinese myelodysplastic syndrome patients with refractory anaemia patients.
出处 《Chinese Medical Journal》 SCIE CAS CSCD 2008年第18期1787-1791,共5页 中华医学杂志(英文版)
关键词 myelodysplastic syndrome SURVIVAL PROGNOSIS myelodysplastic syndrome survival prognosis
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