Levothyroxine use and longitudinal changes in thigh muscles in at-risk participants for knee osteoarthritis: preliminary analysis from Osteoarthritis Initiative cohort.

Levothyroxine use and longitudinal changes in thigh muscles in at-risk participants for knee osteoarthritis: preliminary analysis from Osteoarthritis Initiative cohort.
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高危参与者的大腿肌肉的左甲状腺素使用和膝盖骨关节炎的纵向变化:骨关节炎倡议队列的初步分析。

DOI:
10.1186/s13075-023-03012-y
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发表时间:
2023-04-11
影响因子:
4.9
通讯作者:
Demehri, Shadpour
Demehri, Shadpour
中科院分区:
医学2区
文献类型:
--
作者:
Mohajer, Bahram;Moradi, Kamyar;Guermazi, Ali;Mammen, Jennifer S. R.;Hunter, David J.;Roemer, Frank W.;Demehri, Shadpour

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我们研究了左甲状腺素的使用与膝关节骨关节炎(KOA)高危受试者大腿肌肉质量和组成的纵向MRI生物标志物之间的相关性及其在随后KOA发病率中的介导作用。使用骨关节炎倡议(OAI)数据,我们纳入了有风险但没有确定放射学KOA(基线Kelling-Lawrence分级(KL)< 2)的参与者的大腿和相应的膝盖。左旋甲状腺素使用者定义为在所有年度随访访视时自我报告使用情况,直至第4年,并使用1:2/3倾向评分(PS)匹配与左旋甲状腺素非使用者的潜在混杂因素(KOA风险因素、合并症和相关药物协变量)匹配。使用先前开发和验证的用于大腿分割的深度学习方法,我们评估了左旋甲状腺素使用与肌肉质量的4年纵向变化之间的关联,包括横截面积(CSA)和肌肉组成生物标志物,包括内MAT(肌肉内脂肪),收缩百分比(非脂肪肌肉CSA/总肌肉CSA)和比力(每CSA的力)。我们进一步评估了左甲状腺素的使用是否与标准KOA影像学(KL ≥ 2)和症状发生率(在过去12个月的大部分时间内影像学KOA和疼痛的发生率)的8年风险相关。最后,使用中介分析,我们评估是否通过肌肉变化介导左旋甲状腺素的使用和KOA发病率之间的关联。我们纳入了1043个匹配的大腿/膝关节(266:777左甲状腺素使用者:非使用者;平均± SD年龄:61 ± 9岁,女性/男性:4)。左旋甲状腺素的使用与股四头肌CSA减少相关(平均差异,95%CI:-16.06 mm 2/年,-26.70至-5.41),但与大腿肌肉的组成无关(例如,MAT内)。左旋甲状腺素的使用也与8年放射学风险增加(风险比(HR),95%CI:1.78,1.15-2.75)和症状性KOA发病率增加(HR,95%CI:1.93,1.19-3.13)相关。中介分析表明,四头肌质量的减少(即,CSA)部分介导了与左旋甲状腺素使用相关的KOA发病率增加的风险。我们的探索性分析表明,左旋甲状腺素的使用可能与股四头肌质量的损失有关,这也可能部分介导随后KOA发病率增加的风险。研究解释应考虑潜在的甲状腺功能作为一个潜在的混杂因素或影响因素。因此,未来的研究是必要的,以调查潜在的甲状腺功能生物标志物的纵向变化,在大腿肌肉。在线版本包含补充材料,可通过10.1186/s13075-023-03012-y获得。
We examined the association between levothyroxine use and longitudinal MRI biomarkers for thigh muscle mass and composition in at-risk participants for knee osteoarthritis (KOA) and their mediatory role in subsequent KOA incidence. Using the Osteoarthritis Initiative (OAI) data, we included the thighs and corresponding knees of participants at risk but without established radiographic KOA (baseline Kellgren-Lawrence grade (KL) < 2). Levothyroxine users were defined as self-reported use at all annual follow-up visits until the 4th year and were matched with levothyroxine non-users for potential confounders (KOA risk factors, comorbidities, and relevant medications covariates) using 1:2/3 propensity score (PS) matching. Using a previously developed and validated deep learning method for thigh segmentation, we assessed the association between levothyroxine use and 4-year longitudinal changes in muscle mass, including cross-sectional area (CSA) and muscle composition biomarkers including intra-MAT (within-muscle fat), contractile percentage (non-fat muscle CSA/total muscle CSA), and specific force (force per CSA). We further assessed whether levothyroxine use is associated with an 8-year risk of standard KOA radiographic (KL ≥ 2) and symptomatic incidence (incidence of radiographic KOA and pain on most of the days in the past 12 months). Finally, using a mediation analysis, we assessed whether the association between levothyroxine use and KOA incidence is mediated via muscle changes. We included 1043 matched thighs/knees (266:777 levothyroxine users:non-users; average ± SD age: 61 ± 9 years, female/male: 4). Levothyroxine use was associated with decreased quadriceps CSAs (mean difference, 95%CI: − 16.06 mm2/year, − 26.70 to − 5.41) but not thigh muscles’ composition (e.g., intra-MAT). Levothyroxine use was also associated with an increased 8-year risk of radiographic (hazard ratio (HR), 95%CI: 1.78, 1.15–2.75) and symptomatic KOA incidence (HR, 95%CI: 1.93, 1.19–3.13). Mediation analysis showed that a decrease in quadriceps mass (i.e., CSA) partially mediated the increased risk of KOA incidence associated with levothyroxine use. Our exploratory analyses suggest that levothyroxine use may be associated with loss of quadriceps muscle mass, which may also partially mediate the increased risk of subsequent KOA incidence. Study interpretation should consider underlying thyroid function as a potential confounder or effect modifier. Therefore, future studies are warranted to investigate the underlying thyroid function biomarkers for longitudinal changes in the thigh muscles. The online version contains supplementary material available at 10.1186/s13075-023-03012-y.
DOI: 10.3390/diseases8030025
发表时间: 2020-07-01
期刊: Diseases (Basel, Switzerland)
影响因子: --
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