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TAG:利用血常规中的血小板和淋巴细胞比值来预测克罗恩病患者疾病活动度

2021-02-21 MedSci原创 MedSci原创

克罗恩病(CD)是一种慢性胃肠道炎症性疾病,其特征是疾病缓解和复发反复交替出现。

      克罗恩病(CD)是一种慢性胃肠道炎症性疾病,其特征是疾病缓解和复发反复交替出现。在克罗恩病确诊的20年内,大约一半的CD患者出现肠并发症,例如狭窄或瘘管的发生。因此,在CD的整个疾病过程中,密切监视疾病活动至关重要。目前,内窥镜愈合被认为是CD的主要治疗目标,因为它可以减少疾病相关并发症,随后的住院治疗和手术风险。然而,内窥镜检查是侵入性的,耗时的且昂贵的,并且被认为是用于CD患者疾病监测的最不可接受的检查。因此,需要精确和可靠的非侵入性的替代标志物,以评估CD内窥镜疾病活动的严重程度。

 

 

      理想的非侵入性诊断标记应简单,易于获取,便宜且准确。最常用的标志物是粪便钙卫蛋白(FC),C反应蛋白(CRP),红细胞沉降率(ESR)等等。CRP水平和ESR是炎症的重要急性期标志物,并已证明在CD患者疾病活动性评估中表现良好。最近的证据证明CD患者的全血细胞计数(CBC)会发生明显异常。许多研究发现,一些常规的CBC血液指标,例如红细胞分布宽度,血小板计数,平均血小板体积和血小板生成比(PCT)可以用作监测CD患者疾病活动的生物标志物。因此,本项研究的目的是建立一个简单的模型来预测患者肠道粘膜愈合情况。

 

 

 

      研究人员对2016年至2020年间的中国四个三级医疗中心接受内镜检查的已确诊CD患者进行了回顾性分析。CD的简单内镜评分,CBC参数,C反应蛋白(CRP)水平,红细胞沉降的个体变量率和粪便钙卫蛋白(FC)由不同的研究者独立进行分析。然后对各个变量和患者内镜下粘膜愈合程度进行相关性分析。

 

 

      本项研究共纳入882名符合条件的CD患者,进行了总共1388次内窥镜检查,有用的常规血液参数和相关指标被研究人员仔细收集。研究人员发现使用血小板与淋巴细胞百分比比值(PLpR)的模型具有较高的识别内镜缓解(ER)患者的准确度,曲线下面积(AUC)为0.785 [95%(CI):0.784–0.787] ,与CRP相当(AUC:0.775,95%CI:0.774-0.777)。值得注意的是,患有结肠疾病且有手术史的患者的PLpR的AUC显着高于CRP。此外,在将FC和PLpR结合后,FC + PLpR的AUC值增加到高达0.892(95%CI:0.890-0.894)来鉴定内镜下粘膜愈合。

 

 

 

      本项研究可根据来自CD患者的CBC的血小板和淋巴细胞百分比(PLpR),来鉴定CD患者的粘膜愈合情况。

 

 

原始出处 :

Rirong Chen. Et al. Platelet-to-lymphocyte percentage ratio index: a simple non-invasive index to monitor the endoscopic activity in Crohn’s disease. Therapeutic Advances in Gastroenterology.

 

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