在头骨光生物调制疗法中的剂量测量:头骨厚度和骨密度的影响
Sergio Castaño-Castaño1, Candela Zorzo2,3,4, Juan Á Martínez-Esteban4,5
1Department of Psychology, University of Oviedo, 33003, Oviedo, Spain. castanosergio@uniovi.es.
Lasers in medical science
|February 22, 2024
概括
头骨密度和厚度与光生物调制 (PBM) 治疗中的光透率没有显著的相关性. 波长和骨组成等其他因素对PBM有效性有更大的影响.
科学领域:
- 生物医学工程 生物医学工程
- 照相医疗 (photomedicine) 是一种医学.
- 生物物理学的生物物理.
背景情况:
- 光生物调制 (PBM) 疗法利用光来刺激细胞过程.
- 了解光线穿透人类头骨骨对于PBM的有效性至关重要,特别是对于跨的应用.
- 据推测,头骨的物理特性,如密度和厚度,阻碍了光线的透.
研究的目的:
- 为了研究人类头骨骨厚度和密度以及光透在PBM治疗中的关系.
- 为了确定不同的光波长如何与头骨骨的特性相互作用.
- 评估骨特征对光透的预测价值,以优化PBM治疗.
主要方法:
- 使用精确的测量工具对人类头骨骨厚度和密度进行定量分析.
- 通过各种波长 (405nm到1064nm) 的骨样本进行光透的实验评估.
- 统计相关性分析,以评估骨密度和骨厚对光传输的影响.
主要成果:
- 在PBM治疗中,没有发现头骨骨密度/厚度和光透度之间的显著相关性.
- 波长为405nm和665nm的波长与骨密度的相关性很弱,这表明影响很小.
- 高数据变化率 (R2 < 0.4) 表明,骨密度和骨厚是光功率传输的不良预测指标.
结论:
- 头骨密度和厚度不是PBM治疗中光线透的可靠预测因素.
- 光线透受到骨密度和厚度以外的复杂因素相互作用的影响.
- 未来的PBM疗效取决于考虑骨组成,波长,能量剂量和治疗参数.
相关概念视频
01:29Bone Disorders
Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
01:29Therapeutic Drug Monitoring: Affecting Factors
Therapeutic Drug Monitoring (TDM) is the clinical practice of measuring specific drug levels in a patient's blood or body tissues to manage and optimize therapy. TDM is crucial for drugs with narrow therapeutic windows, like warfarin and phenytoin, where incorrect doses can lead to treatment failure or severe side effects. This monitoring ensures the dosage administered is within a safe and effective range. The factors affecting therapeutic drug monitoring include:Patient-Specific Factors:a.