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Ann Rheum Dis:女性产后脊柱关节炎样MRI病变的患病率高

2020-04-17 xiangting MedSci原创

女性产后即刻骶髂BMO的患病率高得惊人。

骶髂关节(SIJs)MRI上的骨髓水肿(BMO)是中轴型脊椎关节炎(SpA)的标志,但健康受试者在机械应力增加的情况下也会出现这种损伤。因此,这项研究旨在通过前瞻性研究,使用重复MRI来描述妊娠/分娩与骨盆压力之间的关系。结果与母亲、儿童和出生特征进行匹配。

35名女性在分娩后10天内接受基线MRI-SIJ检查。6个月后重复进行MRI,如果根据脊柱关节炎国际协会评估(ASAS)的定义,骶髂关节炎阳性,则在12个月后再次进行MRI。BMO和结构性病变由3名训练有素的阅片者使用加拿大脊椎关节炎研究协会(SPARCC)方法进行评分。

77%的受试者(27/35)在产后即出现骶髂BMO,其中60%符合ASAS的MRI阳性定义。6个月后,仍有46%的受试者(15/33)表现为BMO,MRI阳性占15%(5/33)。12个月后,12%的受试者MRI仍为阳性(4/33)。很少发现结构性病变。有趣的是,在这项研究中,存在BMO与分娩时间短和没有硬膜外麻醉有关。

女性产后即刻骶髂BMO的患病率高得惊人。这项研究数据表明,产后背痛的女性至少需要等待6个月才能进行MRI-SIJ。这项研究还强调了在适当临床背景下解释MRI-SIJ结果的重要性。

原始出处:

Thomas Renson. High prevalence of spondyloarthritis-like MRI lesions in postpartum women: a prospective analysis in relation to maternal, child and birth characteristics. Ann Rheum Dis. 16 April 2020.

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