重复:Lancet:延长失代偿期肝硬化患者生命 人血白蛋白真这么神奇?

2018-07-13 石岩 环球医学

肝硬化是导致全球残疾和死亡的一大“元凶”。 在欧洲,每年有17万人死于肝硬化,占所有死亡人数的1.8%。 一旦出现腹水、消化道出血、肝性脑病和黄疸等并发症,预示着患者已进入疾病的最后阶段——肝硬化失代偿期。此时,疾病治疗的预后较差,患者中位生存时间仅为2年。

肝硬化是导致全球残疾和死亡的一大“元凶”。 在欧洲,每年有17万人死于肝硬化,占所有死亡人数的1.8%。 一旦出现腹水、消化道出血、肝性脑病和黄疸等并发症,预示着患者已进入疾病的最后阶段——肝硬化失代偿期。此时,疾病治疗的预后较差,患者中位生存时间仅为2年。

目前,治疗失代偿期肝硬化患者只能采用针对并发症的姑息治疗,而对这些患者是否应长期予以人血白蛋白(HA),已经争论了数十年。为阐明这个问题,2018年6月,发表在《Lancet》的一项由意大利学者进行的开放式标签随机试验,考察了长期应用人血白蛋白(HA)能否延长失代偿期肝硬化患者的总存活率。

在意大利33家学术和非学术医院开展了一项调查者发起的多中心、随机、平行、开放式标签的实用性试验。研究人员将使用抗醛固酮药物(≥200 mg/日)和呋塞米(≥25 mg/日)标准治疗的肝硬化且无腹水并发症的患者,随机分配至接受标准药物治疗(SMT)或SMT联合HA(每周2次40 g,共2周;随后每周40 g),共18个月。

首要终点是18个月时的死亡率,以事件的差异和调整意向治疗和按方案人群分析评估患者的存活时间。本研究已在EudraCT和ClinicalTrials.gov注册,注册号分别是2008–000625–19和NCT01288794。

2011年4月2日至2015年5月27日间,440名患者被随机分配,431名被纳入至调整的意向治疗分析。

SMT联合HA组:38/218名患者死亡;SMT组:46/213名患者死亡。

SMT联合HA组的18个月存活率明显高于SMT组(Kaplan-Meier估计值,77% vs 66%;p=0.028),死亡风险比降低38%(0.62[95%置信区间,0.40~0.95])。SMT组46名患者(22%)和SMT联合HA组49名患者(22%)具有3~4级非肝脏相关不良事件。

在这项试验中,长期应用HA能延长失代偿期肝硬化患者总存活率,并且可能作为该疾病的改良治疗。

在十多年前,曾有一项单中心随机试验,在中位随访84个月后,报告了肝硬化和首发腹水患者接受长期HA使存活率提高的结果。然而,其试验患者数量过少,在一定程度导致目前临床实践指南未重视长期应用HA的作用。

该试验采用更严格的研究方法,纳入更大的样本量,是首个提供了强有力证据的前瞻性研究,证明在肝硬化且无腹水并发症的大型患者队列中,SMT联合长期HA能获得生存优势。

试验结果表明,HA治疗显着降低总体死亡率,提高了患者18个月时的生存率。当经颈内静脉肝内门体分流术和肝移植可能存在竞争风险事件时,HA可能是一种更具优势的选择。

此外,多变量竞争风险分析显示,长期HA治疗是唯一能对抗死亡的独立保护因素,这种优势限定于肝脏相关死亡。

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    2018-10-17 howi
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    2018-07-15 珙桐
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    2018-07-13 guging

    谢谢!最新的信息读起来就是收获大

    0

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