骨盆倾斜度过大对妊娠结局的影响(1)
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[摘要] 目的:探讨骨盆倾斜度过大产妇产时的临床表现和纠正机制。方法:①用骨盆倾斜度测量器测量骨盆倾斜度,选择骨盆、脊柱无畸形,头盆评分8分,枕前位、单胎90例,以正常产程图为观察标准,观察分娩全过程。②观察90例早孕至产前、产前至产后各期孕妇骨盆倾斜度变化。结果:当测量仪测量骨盆倾斜度≥53°(为倾斜度过大),发生率为7.8%,主要临床表现有:悬垂腹,跨耻征假阳性,胎头衔接困难或停滞,会阴重度裂伤。结论:骨盆倾斜度过大是由于腰骶角增大所致。分娩时胎轴压力线指向耻骨联合与骨盆轴不在一条直线上,造成胎头衔接困难或停滞。取膀胱截石位使腰骶角变小骨盆倾斜过大得到纠正,提高了阴道分娩率和质量。
[关键词] 骨盆;骨盆倾斜度;难产
[中图分类号] R714 [文献标识码]A [文章编号]1673-7210(2008)07(c)-044-02
Mechanism of dystocia due to excessive pelvic inclination and its correction
WANG Chun-xia
(Materuity and Child Health Hospital of Chuanying District,Jilin 132011,China)
[Abstract] Objective: To explore the clinical manifestation of excessive pelvic inclination and mechanism of its correction. Methods:①Pelvic inclination angles were measured with an inclinometer in 90 singleton pregnant women ......
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