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相关概念视频

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Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
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The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
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The meaning of illness is individualized to each person who experiences an alteration in health. In contrast, disease is a medical term indicating a pathological change in the structure and function of the body or mind. It is a condition that has specific symptoms and boundaries.
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Biases can arise at various stages of research, from study design and data collection to analysis and interpretation. Recognizing and addressing these biases is essential to ensure the validity and reliability of epidemiological findings.Broadly speaking, biases in epidemiology fall into three main categories: selection bias, information bias, and confounding. A more detailed description of possible biases is:  
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相关实验视频

Updated: Jan 13, 2026

Modeling Ascending Vaginal Infection, Preterm Birth, and Neonatal Morbidity in Mice
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使用CODAC分类系统了解巴西死产的原因.

Sherly Metelus1, Matias C Vieira1,2, Mariana Brasileiro1

  • 1Department of Obstetrics and Gynaecology, University of Campinas (UNICAMP), School of Medical Sciences, Cidade Universitaria, Campinas, Brazil.

The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians
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PubMed
概括
此摘要是机器生成的。

与ICD-10相比,死亡原因和相关疾病 (CODAC) 系统在巴西显著减少了未指定的死胎. 这种分类系统有助于了解死产的原因,并为卫生政策提供信息.

关键词:
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科学领域:

  • 围产儿医学 围产儿医学
  • 公共卫生 公共卫生
  • 医学分类系统 医学分类系统

背景情况:

  • 死亡出生仍然是一个重大的全球健康挑战,其中很大一部分病例被归类为非特定或未指定的原因.
  • 准确的死产分类对于识别潜在原因和实施有效的预防策略至关重要.
  • 巴西目前的ICD-10系统在指定死胎病因方面存在局限性.

研究的目的:

  • 为了比较死亡原因和相关疾病 (CODAC) 分类系统与ICD-10系统在减少巴西未指定的死胎的有效性.
  • 确定与巴西人口中死产相关的孕产妇和妊娠相关因素.

主要方法:

  • 一项回顾性横截面研究分析了来自巴西十个高等产科机构的2545例死产病例 (2009-2018).
  • 数据来源于医疗记录,死亡证明和死后调查.
  • 应用了CODAC系统,并将其性能与ICD-10进行了比较,使用kappa系数和McNemar的测试.

主要成果:

  • 在CODAC系统下,未确定的死产比例从40.79% (ICD-10) 降至22.00%.
  • 观察到显著的区域差异,东北地区的不明原因率较高,东南地区的特定原因率较高.
  • 孕产前和胎盘断裂等母亲的疾病与CODAC确定的死产的特定原因有显著的关联.

结论:

  • 与ICD-10系统相比,CODAC分类系统可以更好地了解死产的原因.
  • 实施CODAC可以减少无法解释的死产病例的数量,从而有可能加强巴西的孕产妇和产周健康政策.