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不同损伤程度脊髓损伤女性的血脂谱

Lipid profile in spinal cord-injured women with different injury levels.

作者信息

Storch Max-Jürgen, König Daniel, Bültermann Dirk, Blum Andreas, Vogt Stefan, Baumstark Manfred, Berg Aloys, Schmid Andreas

机构信息

Department of Internal Medicine and Rheumatology, Seidel-Klinik Bad Bellingen, Mediclin, Germany.

出版信息

Prev Med. 2005 Mar;40(3):321-5. doi: 10.1016/j.ypmed.2004.06.006.

Abstract

Background. In dependence on their injury level, male subjects with spinal cord injury (SCI) exhibit a less favorable lipoprotein profile than control persons. The impairment of the sympathetic nervous system and the fact that persons with spinal cord injury are subject to extreme physical inactivity may have an influence on their lipid profile and lipoprotein(a) concentration. It has been shown that sex-specific differences in hormonal regulation are responsible for differences in lipoprotein levels between nondisabled men and women. However, the role of hormones on lipoprotein levels has not been investigated in female subjects with spinal cord injury. Methods. Therefore, we performed a detailed investigation regarding the lipid profile in 32 premenopausal women with spinal cord injury ranging from tetraplegia to low paraplegia and in 36 control subjects. VO(2max) was determined by a wheelchair ergometry with stepwise increase in work load. Result. VO(2max) was significantly higher in paraplegics than in tetraplegics but significantly lower than in control subjects. Paraplegics had significantly higher low-density lipoprotein levels than both tetraplegics and control persons. The lipid profile of female tetraplegics was characterized by elevated triglycerides. An association between high-density lipoprotein levels and spinal cord injury or the level of the injury was not observed. No significant difference in lipoprotein(a) was found within SCI individuals as well as between SCI individuals and control persons indicating the predominant genetic determination of lipoprotein(a) and the thus related cardiovascular risk. Conclusion. Despite the extreme reduction of VO(2max), the assumed physical inactivity and low serum catecholamine levels due to the impairment of the sympathetic nervous system, female tetraplegic persons did not show an adverse lipoprotein profile with respect to high-density lipoprotein cholesterol levels. If the higher low-density lipoprotein cholesterol concentrations in female with spinal cord injury with low lesion levels or the elevated TG levels in female tetraplegics bare relevance with respect to an increased cardiovascular risk in this population needs to be clarified in further longitudinal investigations.

摘要

背景。根据脊髓损伤(SCI)的损伤程度,男性脊髓损伤患者的脂蛋白谱比对照组更不理想。交感神经系统的损伤以及脊髓损伤患者极度缺乏身体活动这一事实,可能会对他们的血脂谱和脂蛋白(a)浓度产生影响。研究表明,激素调节中的性别特异性差异是导致非残疾男性和女性脂蛋白水平差异的原因。然而,激素对脊髓损伤女性患者脂蛋白水平的作用尚未得到研究。方法。因此,我们对32名从四肢瘫到低位截瘫的绝经前脊髓损伤女性患者和36名对照受试者的血脂谱进行了详细调查。通过逐步增加工作量的轮椅测力计测定最大摄氧量(VO₂max)。结果。截瘫患者的VO₂max显著高于四肢瘫患者,但显著低于对照受试者。截瘫患者的低密度脂蛋白水平显著高于四肢瘫患者和对照人员。女性四肢瘫患者的血脂谱特征是甘油三酯升高。未观察到高密度脂蛋白水平与脊髓损伤或损伤程度之间的关联。在脊髓损伤个体之间以及脊髓损伤个体与对照人员之间,脂蛋白(a)均未发现显著差异,这表明脂蛋白(a)主要由基因决定,因此与心血管风险相关。结论。尽管VO₂max极度降低,且由于交感神经系统损伤导致身体活动假设减少和血清儿茶酚胺水平降低,但女性四肢瘫患者在高密度脂蛋白胆固醇水平方面并未表现出不利的脂蛋白谱。脊髓损伤且损伤水平较低的女性患者中较高的低密度脂蛋白胆固醇浓度或女性四肢瘫患者中升高的甘油三酯水平是否与该人群心血管风险增加相关,需要在进一步的纵向研究中加以阐明。

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