BMC Cancer:术前贫血的乳腺癌患者有较差的预后

2014-11-22 medsci MedSci原创译

BMC Cancer:术前贫血的乳腺癌患者有较差的预后 研究背景:贫血是恶性肿瘤患者常见并发症,大量研究表明贫血肿瘤患者有较差预后, 41-82%乳腺癌患者伴有贫血,术前贫血的乳腺癌患者是否影响其预后有待研究。 研究目的:本研究拟讨论乳腺癌患者术前贫血是否影响其术后复发(局部复发、淋巴结转移、远处转移、总复发)和存活(无局部复发生存时间LRFS、无淋巴结转移生存时间LNMFS、无远处转移生

研究背景:

贫血是恶性肿瘤患者常见并发症,大量研究表明贫血肿瘤患者有较差预后 41-82%乳腺癌患者伴有贫血,术前贫血的乳腺癌患者是否影响其预后有待研究。

研究目的:

本研究拟讨论乳腺癌患者术前贫血是否影响其术后复发(局部复发、淋巴结转移、远处转移、总复发)和存活(无局部复发生存时间LRFS、无淋巴结转移生存时间LNMFS、无远处转移生存时间DMFS、无复发生存RFS、总生存OS)。

研究方案:

纳入2002-2008年广州中山大学肿瘤中心接受治疗的2123名乳腺癌患者,将其分为2组(术前贫血组:血红蛋白HB12g/dL,术前不贫血组:HB12g/dL),用SPSS16.0进行统计学分析。

研究结果

53525.2%)名患者HB12g/dL,中位随访67个月,612.9%)名患者局部复发,1054.9)名患者腋窝淋巴结转移,26912.7%)名患者远处转移;局部复发在贫血患者中显著增高7.3% vs 1.4% P0.001),淋巴结转移、远处转移、总复发的比例也在贫血组显著增高12.1% vs 2.5% P0.00126.7% vs 7.9% P0.00138.7% vs 9.9% P0.001),两组在复发率和死亡率上有显著差异,通过单变量分析发现生存时间LRFSLNMFSDMFSRFSOS在贫血组显著小于非贫血组P0.001),将临床分期分层后得到同样结果。

研究结论:

术前贫血乳腺癌患者有较差的预后(复发率、存活率相比非贫血患者低),是否术前改善贫血治疗能提高患者预后有待进一步证实。

原文出处:

Zhang, Y., et al., Impact of preoperative anemia on relapse and survival in breast cancer patients. BMC Cancer, 2014. 14(1): p. 844.

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