吃钙片能治好骨质疏松吗?(1-4)
何谓骨质疏松症?顾名思义,骨质疏松症是最常见的骨骼疾病,是一种以骨量低、骨组织微结构损坏,导致骨脆性增加,易发生骨折为特征的全身性骨病,分为原发性和继发性。可发生于任何年龄,但多见于绝经后女性和老年男性。
原发性骨质疏松症主要为:
- 1. 绝经后骨质疏松症:绝经后骨质疏松症一般发生在女性绝经后 5~10 年内;
- 2. 老年骨质疏松症:老年骨质疏松症一般指 70 岁以后发生的骨质疏松;
- 3. 特发性骨质疏松症(包括青少年型):特发性骨质疏松症主要发生在青少年,病因尚未明确。
继发性骨质疏松症:指由任何影响骨代谢的疾病和药物及其他明确病因导致的骨质疏松,如慢性肾功能不全、甲状旁腺功能亢进等疾病可引起骨质大量流失。
如何判断一位患者是否患有骨质疏松症呢?
有经验的医生可以通过阅读 X 线片识别出某些严重的骨质疏松症患者,而更准确、更客观的标准要数采用双能 X 线吸收法(DXA)测定的骨密度。基于 DXA 骨密度测量结果和(或)脆性骨折是目前诊断骨质疏松症的金标准。
骨密度测量的结果称为 T 值,T 值≥-1.0SD 属于正常,T 值≤-2.5SD 属于骨质疏松,而介于二者之间的称为骨量减少。脆性骨折是指受到轻微创伤或日常活动中即发生的骨折,如髓部或椎体发脆性骨折,不依赖于骨密度测定,临床上即可诊断骨质疏松,而在肱骨近端、骨盆或前臂远端发生的脆性骨折,即使骨密度测定显示低骨量(-2.5<T 值<-1.0 ),也可诊断骨质疏松。
只有搞清楚诊断,才能对症治疗。可能有人会说,骨质疏松症好治,补钙呗。Too young too simple,事实真的是如此简单吗?骨质疏松症和缺钙能划等号吗?单纯的吃钙片就能治好骨质疏松症吗?
事实当然并非如此。首先需要明确的是骨质疏松症患者确实需要补钙,但是单纯的补钙是不可能治愈骨质疏松症的。换句话说,补钙是补钙,治疗骨质疏松症是治疗骨质疏松症,这根本就是两码事。
治疗缺钙需要补充钙剂,联合应用活性维生素 D(骨化三醇)能更好地促进钙剂的吸收利用。但是,治疗骨质疏松症需要专门的药物,这个药物既不是钙剂,也不是活性维生素 D,那到底是什么呢?
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