孕产妇的红细胞瘤作为一个风险因素,小的妊娠年龄在高海拔地区的高期
Wilfredo Villamonte-Calanche1, Marco Antonio Salazar-Zegarra2, Cleto De-la-Torre-Dueñas3
1Maternal Perinatal Medicine Research Center Research Institute Andina University of Cusco Peru Maternal Perinatal Medicine Research Center, Research Institute, Andina University of Cusco, Peru.
概括
孕妇在高海拔地区发生的母性红细胞瘤并不是妊娠前小年龄 (SGA) 的危险因素. 然而,不充分的产前护理显著增加了SGA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
- 高海拔地区的生理学
背景情况:
- 高海拔对怀孕带来独特的挑战,包括对胎儿生长的潜在影响.
- 孕产妇的红细胞质量增加,在高海拔地区很常见,但其对胎儿生长的影响仍在争论中.
- 了解怀孕年龄小的风险因素 (SGA) 对于改善新生儿结果至关重要.
研究的目的:
- 调查母亲的红细胞瘤是否是3400米高度居住的孕妇在产期SGA的风险因素.
- 在健康的高海拔群体中评估母亲红细胞瘤和SGA之间的关联.
主要方法:
- 在秘鲁库斯科进行的回顾性队列研究 (海拔3400米).
- 包括224名患有母性红细胞瘤的孕妇和483名没有.
- 使用后勤回归分析来评估母体血红蛋白水平 (>14.5 g/dl) 和SGA之间的关联,控制混因素.
主要成果:
- 这种SGA的总体发病率为6.9%.
- 在3400米的健康孕妇中,孕妇的红细胞瘤与SGA没有显著的关联 (调整的几率比率[ORa]=0.691,p=0.271).
- 与适当的护理相比,不充分的产前护理是SGA (ORa = 2.115,p=0.016) 的重要危险因素.
结论:
- 在没有其他医疗条件的情况下,母亲的红细胞瘤不构成在高海拔地区分娩一个为孕期年龄小的婴儿的风险.
- 适当的产前护理是预防高海拔怀孕中SGA的关键因素.
相关概念视频
Factors Affecting Erythropoiesis
3.0K
The cardiovascular system regulates the number of erythrocytes in the bloodstream to ensure optimal oxygen transport. It also prevents over-proliferation of these cells, which helps to maintain blood viscosity and flow rate.
Several factors influence the erythrocyte production rate, with tissue oxygen level being among the most critical. Intense exercise or high altitudes can cause tissue hypoxia, which triggers the kidneys to release more erythropoietin (EPO) into the bloodstream.
EPO then...
Several factors influence the erythrocyte production rate, with tissue oxygen level being among the most critical. Intense exercise or high altitudes can cause tissue hypoxia, which triggers the kidneys to release more erythropoietin (EPO) into the bloodstream.
EPO then...
3.0K
Disorders of Erythrocytes
844
Disorders of erythrocytes, or red blood cells (RBCs), include a range of conditions affecting their number, shape, or function.
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
844
Factors Affecting Respiration
4.4K
Respiration is a crucial physiological function involving exchanging oxygen (O2) and carbon dioxide (CO2) between an organism and its environment. Various factors can impact this essential process:
4.4K
Erythropoiesis
4.0K
Red blood cells (RBCs) transport oxygen to all body tissues. These cells survive only for 120 days and then need to be replenished. Erythropoiesis is the process of RBC production. In healthy individuals, erythropoiesis ensures all tissues are amply supplied with oxygen. In addition, blood loss due to injury leads to a drop in the physiological oxygen level that will cause erythropoiesis. Any defect in erythropoiesis leads to several physiological disorders, including thalassemia, anemia,...
4.0K
Oogenesis
63.3K
In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways from the equivalent procedure of spermatogenesis in males. First, meiotic divisions during oogenesis are asymmetric, meaning that a large oocyte (containing most of the cytoplasm) and minor polar body are produced as a result of meiosis I, and again following meiosis II. Since only oocytes will go on to form embryos if fertilized, this unequal...
63.3K
Rh Blood Group
1.3K
The Rhesus (Rh) antigen is crucial in determining blood groups and ensuring compatibility during blood transfusions.
1.3K


