基于SPECT/CT甲状旁腺显像同机CT评估慢性肾脏病继发性甲状旁腺功能亢进症主动脉弓钙化的初步应用

Chinese Journal of Nuclear Medicine and Molecular Imaging(2023)

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Abstract
目的:探讨SPECT/CT甲状旁腺显像同机CT评估慢性肾脏病继发性甲状旁腺功能亢进症(SHPT)患者主动脉弓钙化(AoAC)的临床意义及危险因素。方法:回顾性分析2014年1月至2021年5月间在南通大学附属江阴医院行 99Tc m-甲氧基异丁基异腈(MIBI) SPECT/CT显像的136例慢性肾脏病合并SHPT患者[男70例、女66例,年龄(50.1±11.4)岁],应用同机CT对AoAC评分(1~5分),分为无及轻度钙化组(AoAC评分<3分)及中重度钙化组(AoAC评分≥3分)。采用两独立样本 t检验或Mann-Whitney U检验比较2组间各指标的差异;应用二元logistic回归分析AoAC的独立危险因素。 结果:136例SHPT患者中有111例(81.62%)CT检出AoAC。无及轻度钙化组84例,中重度钙化组52例,2组的年龄[(46.7±9.8)和(55.7±11.6)岁; t=-4.84, P<0.001]、脉压[52(41,64)和60(51,70) mmHg(1 mmHg=0.133 kPa); z=-3.27, P=0.001]、血清校正钙[2.41(2.28,2.53)和(2.49±0.22) mmol/L; z=-2.50, P=0.013]、血磷[(1.95±0.39)和(2.14±0.48) mmol/L; t=-2.54, P=0.012]、钙磷乘积[(4.68±1.07)和(5.29±1.10) mmol 2/L 2; t=-3.21, P=0.013]及甲状旁腺激素(PTH)[106.30(90.15,127.45)和109.90(87.93,157.63) pmol/L; z=-2.09, P=0.036]差异均有统计学意义。Logistic回归分析显示,血磷[比值比( OR)=7.261,95% CI:2.416~21.819, P<0.001],钙磷乘积( OR=1.598,95% CI:1.073~2.380, P=0.021)及PTH( OR=1.018,95% CI:1.007~1.029, P=0.001)是AoAC的独立危险因素。 结论:SPECT/CT甲状旁腺显像同机CT可作为评估慢性肾脏病SHPT患者AoAC的有效方法,高血磷、高钙磷乘积及高PTH水平可能是AoAC的独立危险因素。
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Key words
Hyperparathyroidism,Vascular calcification,Aorta, thoracic,Renal insufficiency, chronic,Tomography, X-ray computed
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