患有状细胞贫血的成人的铁吸收:一种稳定同位素方法
Juliana Omena1, Flávia Fioruci Bezerra2, Vanessa Monteiro Voll2
1Nutrition Institute, Rio de Janeiro State University, São Francisco Xavier Street, 524, 12144F, Maracanã, Rio de Janeiro, 20550-900, Brazil. omenaju@gmail.com.
European journal of nutrition
|May 9, 2024
概括
在患有状细胞贫血 (SCA) 的成年人中评估了铁的吸收. 没有铁过载的个体显示了更高的吸收,这表明主要铁过载的风险和需要营养指导.
科学领域:
- 血液学 血液学 血液学
- 营养科学 营养科学
- 医学研究 医学研究
背景情况:
- 在状细胞贫血 (SCA) 中的铁吸收尚未得到充分了解.
- 有限的研究存在于成人SCA患者的铁吸收.
研究的目的:
- 为了评估SCA成年人的铁吸收.
- 研究SCA患者的铁吸收,铁状况和肝素水平之间的关系.
主要方法:
- 稳定的铁同位素 (57Fe) 口服给SCA患者 (n=13) 和对照组 (n=10).
- 铁的吸收量通过ICP-MS测量14天后的管理.
- 根据血清费里水平 (≥1000 ng/mL),SCA患者被分类为铁过载 (SCAio+; n=3) 和没有铁过载 (SCAio-; n=10).
主要成果:
- 铁的吸收有显著差异:对照组 (中位数为0.9%),SCAio+ (中位数为0.5%) 和SCAio- (中位数为6.9%).
- 肝素水平有所不同:SCAio- (中位数14.1 ng/mL),SCAio+ (中位数6.2 ng/mL) 和对照组 (中位数6.2 ng/mL).
- 在SCA总组中,铁的吸收与费里和肝脏铁度有负相关性 (p<0.05).
结论:
- 没有铁过载的SCA患者可能容易患初级铁过载.
- 二次铁过载可能会导致由于生理适应而导致铁吸收减少.
- 建议对更大的队列进行进一步的研究,以指导SCA患者的营养策略和公共卫生政策.
更多相关视频
05:23Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload
Published on: March 14, 2017
19.5K
07:24A Precision Medicine Tool for Measurement and Monitoring of Hemoglobin S in Sickle Cell Disease Patients Receiving Transfusion Therapy
1.7K
相关概念视频
01:25Imaging Studies II: Positron Emission Tomography and Scintigraphy
111
Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
Fundamental Principles of PET
111
01:22Lifecycle of Erythrocytes
2.0K
Erythrocytes, also known as red blood cells, constantly move through blood capillaries. As a result, they damage their plasma membrane due to the continuous friction. Typically, after 100 to 120 days, erythrocytes become rigid and fragile as they wear out. As they pass through small vessels in the spleen and liver, they can get trapped and break apart into fragments.
The resident phagocytic macrophages deal with these damaged cells by engulfing them and separating their globin and heme groups....
The resident phagocytic macrophages deal with these damaged cells by engulfing them and separating their globin and heme groups....
2.0K