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目的探讨徒手旋转胎头纠正枕横(后)位的角度。方法观察枕横(后)位时,采取不同角度徒手旋转胎头以枕前位经阴道分娩的成功率。结果 A组对右枕横位做顺时针旋转45°,右枕后位做顺时针旋转90°,左枕横位做逆时针旋转45°,左枕后位做逆时针旋转90°。总成功率92.2%。B组(石氏法):右枕后位做顺时针旋转180°,左枕后位做逆时针旋转180°,如为枕横位,可按枕后位手法旋转,135°即为胎头旋转的度数。总成功率74.6%。A组成功率显著高于B组,相比差异有统计学意义(P<0.05)。结论对右枕横位做顺时针旋转45°,右枕后位做顺时针旋转90°,左枕横位做逆时针旋转45°,左枕后位做逆时针旋转90°是徒手旋转胎头术的最佳角度。
Objective To investigate the angle of transverse (posterior) position of the pillow by hand rotation of fetal head. Methods After observing the transverse (posterior) position of the pillow, the success rate of transvaginal delivery of the anterior occipital region with different angles was adopted. Results A group of clockwise rotation of the right occiput to do 45 °, clockwise after the right pillow to do 90 °, the left pillow to do a counterclockwise rotation 45 ° horizontal position, counterclockwise rotation of the left pillow after 90 °. Total success rate of 92.2%. Group B (Shi’s method): clockwise after the right pillow to do 180 °, the left pillow after the counterclockwise rotation of 180 °, such as the occipital transverse position, according to the occiput posterior rotation, 135 ° is the fetal head The degree of rotation. Assembly success rate of 74.6%. The success rate of A group was significantly higher than that of B group (P <0.05). Conclusion Rotation of the right occiput clockwise 45 °, right occiput posterior rotation clockwise 90 °, left occipital transverse anticlockwise rotation 45 °, left occiput posterior rotation anticlockwise rotation 90 ° is to rotate the fetal head by hand The best angle of surgery.