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目的探讨Labor Pro分娩导航仪(简称LP系统)在骨盆测量和产程监测的准确性及其临床应用价值。方法选择2015年1-5月在南方医科大学南方医院分娩的299例足月、单胎、头位、无妊娠合并症或并发症且处于分娩第一产程的健康孕妇。分别应用传统骨盆测量法及LP系统测量孕妇骨盆内外径线,传统阴道检查及LP系统评估宫颈扩张及胎头下降程度,比较不同方法的准确性。结果 LP系统与传统骨盆测量法测量结果:髂棘间径分别为(24.36±1.93)cm和(24.38±1.42)cm(P>0.05);骶耻外径分别为(20.22±1.94)cm和(20.18±1.28)cm(P>0.05);坐骨结节间径分别为(9.18±0.79)cm和(8.75±0.41)cm(P<0.05);坐骨棘间径分别为(9.81±0.96 cm)cm和(9.69±0.70)cm(P<0.05);坐骨切迹分别为(5.0±1.03)cm和(4.74±0.81)cm(P<0.05)。LP系统与阴道检查结果:宫颈扩张分别为(6.27±2.28)cm和(6.21±2.40)cm(P<0.05);胎头下降分别为(-0.93±1.60)cm和(-0.97±1.69)cm(P<0.05)。结论在骨盆测量、宫颈扩张及胎头下降的测量中,LP系统与传统阴道检查结果间无明显差异,且前者更为客观。
Objective To investigate the accuracy and clinical value of Labor Pro delivery navigator (referred to as LP system) in pelvic and labor monitoring. Methods From January to May 2015, 299 full-term pregnant women with full-term, single births, head position, no pregnancy complications or complications who were delivered at Nanfang Hospital of Southern Medical University were enrolled in this study. The traditional pelvic and LP systems were used to measure the internal and external diameter of the pelvis of the pregnant women respectively. The traditional vaginal examination and LP system were used to evaluate the cervical dilatation and fetal head descent. The accuracy of different methods was compared. Results The measurement results of LP system and conventional pelvisimetry showed that the interstices of iliac spine were (24.36 ± 1.93) cm and (24.38 ± 1.42) cm respectively (P> 0.05), and the outer diameters of sacral meat were (20.22 ± 1.94) cm and (9.18 ± 0.79) cm and (8.75 ± 0.41) cm respectively (P <0.05); the diameter of the sciatic spine was (9.81 ± 0.96 cm) cm And (9.69 ± 0.70) cm respectively (P <0.05). The sciatic notch was (5.0 ± 1.03) cm and (4.74 ± 0.81) cm respectively (P <0.05). (6.27 ± 2.28) cm and (6.21 ± 2.40) cm respectively (P <0.05). The fetal head declines were (-0.93 ± 1.60) cm and (-0.97 ± 1.69) cm respectively (P <0.05). Conclusion In the measurement of pelvis, cervical dilatation and fetal head descent, there is no significant difference between the LP system and traditional vaginal examination, and the former is more objective.