妊娠期猪源阴道直肠链球菌：一种新出现的病原体？
Vaginorectal Streptococcus porcinus in pregnancy: an emerging pathogen?
作者信息
Pereira Nigel, Powell Anna M, Nyirjesy Paul, Plante Lauren A
机构信息
Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, PA.
出版信息
J Low Genit Tract Dis. 2013 Oct;17(4):e18-21. doi: 10.1097/LGT.0b013e318280407c.
OBJECTIVE
Streptococcus porcinus has previously been isolated from the genitourinary tract of reproductive-aged women. However, very little is known about the pathogenicity of this microorganism in pregnancy. The study aimed to report pregnancies complicated by vaginorectal S. porcinus and associated adverse outcomes.
MATERIALS AND METHODS
We present 2 patients with 3 pregnancies complicated by vaginorectal S. porcinus and preterm cervical change.
RESULTS
The first patient lost a twin pregnancy to previable preterm rupture of membranes. During her subsequent pregnancy, again positive for S. porcinus, cervical shortening prompted antibiotic treatment and cerclage. The second patient delivered preterm despite cerclage placed for sonographic indications.
CONCLUSIONS
Our cases suggest that S. porcinus may contribute to the pathogenesis of preterm rupture of membranes and cervical insufficiency.
目的
此前已从育龄妇女的泌尿生殖道中分离出猪链球菌。然而，对于这种微生物在妊娠中的致病性知之甚少。本研究旨在报告并发阴道直肠猪链球菌感染及相关不良结局的妊娠情况。
材料与方法
我们报告了2例患者的3次妊娠，均并发阴道直肠猪链球菌感染及宫颈过早改变。
结果
首例患者因胎膜早破导致双胎妊娠流产。在她随后的妊娠中，猪链球菌检测再次呈阳性，宫颈缩短促使进行抗生素治疗及宫颈环扎术。第二例患者尽管因超声检查指征进行了宫颈环扎术，但仍早产。
结论
我们的病例表明，猪链球菌可能与胎膜早破和宫颈机能不全的发病机制有关。
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