二度围撕裂的发生率和危险因素:使用详细的分类系统进行前性队列研究
Marthe D Macedo1,2, Jeanette Risløkken1,2, Tuva Halle1
1Division Akershus University Hospital, Faculty of Medicine, University of Oslo, Oslo, Norway.
Birth (Berkeley, Calif.)
|February 2, 2024
概括
分类二度围撕裂的发生率不同:2A为16.3%,2B为9.1%,2C为6.6%. 周围部解剖学显著影响更严重的撕裂子类别的风险.
科学领域:
- 产科和妇科 产科和妇科
- 周围生理学 周围生理学
- 妇女健康 妇女健康
背景情况:
- 二度围裂痕在组织创伤方面表现出相当大的差异.
- 分类和了解这些撕裂的危险因素至关重要.
- 这项研究解决了对二度围裂发生和促成因素的详细分析的需要.
研究的目的:
- 通过分类二度撕裂来评估围撕裂的发生情况.
- 调查围解剖变量和风险因素与二级撕裂子类别之间的关联.
主要方法:
- 一项针对880名经过阴道分娩的妇女进行的前性队列研究.
- 二度撕裂被分类为 (2A,2B,2C) 基于周围损伤的百分比.
- 多位数回归分析了风险因素,包括生殖器间隙长度,周围体长度和以前的创伤.
主要成果:
- 整体撕裂率:一级 (35.6%),二级A (16.3%),二级B (9.1%),二级C (6.6%),三级/四级 (1.6%).
- 除了表皮切割外,更小的生殖器间隙,更大的周围体,以前的创伤,初级性,更高的妊娠年龄,仪器分娩和非头前部呈现增加了2B/2C的撕裂风险.
- 分类的特定发生率为16.3% (2A),9.1% (2B) 和6.6% (2C).
结论:
- 量化了二度围撕裂子类别的发生率.
- 发现周围的解剖因素显著增加了更严重的二度撕裂子类别的可能性.
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