在患有遗传性出血端膜切除症的患者中,出血透症并不是由于血小板功能受损而引起的
Anne Lørup Lyster1,2,3,4,5, Signe Hedengran Biørn6,7, Anette Drøhse Kjeldsen7,8,9
1Department of Clinical Biochemistry, Odense University Hospital, Winsløws Vej 4, 5000, Odense C, Denmark. anjep16@student.sdu.dk.
Orphanet journal of rare diseases
|November 14, 2023
概括
血小板功能在遗传性出血性长管切除症 (HHT) 患者中没有受损,这表明其他因素有助于他们频繁出血. 进一步的研究应该探索HHT患者的潜在高凝血能力.
科学领域:
- 血液学 血液学 血液学
- 血管生物学 血管生物学
- 罕见疾病 罕见疾病
背景情况:
- 遗传性出血性长膜炎 (HHT) 是一种罕见的遗传性疾病,其特征是异常的血管形成.
- 患有HHT的患者经常经历来自电脉瘤病变的出血,特别是在粘膜表面.
- 血小板功能受损被假定是导致HHT出血倾向的因素.
研究的目的:
- 在被诊断为遗传性出血性长管切除症 (HHT) 的患者中调查血小板功能.
- 为了确定HHT患者的表症严重程度是否与血小板活动受损相关.
主要方法:
- 一个病例控制研究,涉及22名HHT患者和20名健康对照.
- 血小板功能使用标准静血参数,流动细胞计,旋转血栓前列腺计和血小板功能分析仪200进行评估.
- 对HHT患者的纳入标准包括表症严重程度得分≥4和前5天没有影响血小板功能的药物.
主要成果:
- 在HHT患者和对照人群之间,没有观察到平均血小板体积或不成熟的血小板分数的显著差异.
- 血小板激活标志物 (CD62P,CD63P,PAC1结合) 和对各种激动剂的聚合反应在不同组之间是可比的.
- 旋转血小板收缩法和血小板功能分析仪200分析没有显示HHT患者的全球血液静止或血小板功能受损.
结论:
- 降低血小板功能不太可能是导致遗传性出血长期出血的首要原因.
- 这些发现表明,其他静血路径,潜在的高凝性,可能在与HHT相关的出血中发挥更重要的作用.
- 进一步的研究是有必要的,以探索高凝血性在遗传性出血性长管病理生理学中的作用.
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