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      老年人骨質(zhì)疏松與動(dòng)脈硬化的相關(guān)性研究

      2021-12-20 07:40:01牟玲燕楊建慧趙福江
      中國(guó)現(xiàn)代醫(yī)生 2021年27期
      關(guān)鍵詞:動(dòng)脈硬化骨質(zhì)疏松老年人

      牟玲燕 楊建慧 趙福江

      [關(guān)鍵詞] 老年人;骨質(zhì)疏松;動(dòng)脈硬化;雙能X線骨密度儀;總膽固醇;三酰甘油

      [中圖分類號(hào)] R589.5;R543.5? ? ? ? ? [文獻(xiàn)標(biāo)識(shí)碼] B? ? ? ? ? [文章編號(hào)] 1673-9701(2021)27-0102-04

      Study on the correlation between osteoporosis and arteriosclerosis in the elderly

      MOU Lingyan? ?YANG Jianhui? ?ZHAO Fujiang

      Department of Orthopaedics, Taizhou Central Hospital (Taizhou University Hospital) in Zhejiang Province, Taizhou? ?318000, China

      [Abstract] Objective To study the correlation between osteoporosis (OP) and arteriosclerosis in the elderly. Methods A total of 244 elderly patients who received physical examination in our hospital from January 2019 to December 2020 were selected as the observation subjects. Dual-energy X-ray bone densitometer and high-resolution color ultrasound were used to measure the relevant indicators. The gender, age, body weight, and blood lipid of the elderly were statistically analyzed. Then the selected study subjects were divided into the OP group, the non-OP group, the plaque group, and the non-plaque group. The age, sex, BMI, TC (total cholesterol), TG (triglyceride), LDL-C (low-density lipoprotein-cholesterol), HDL-C (high-density lipoprotein cholesterol), CRP (C-reactive protein), ALP (alkaline phosphatase), IMT (intima-media thickness of arterial vessels), serum calcium and serum phosphorus were analyzed in different groups. At the same time, the incidence of arterial plaques in osteoporosis of different genders was analyzed. Results Of the 244 elderly healthy subjects, 116 were in the OP group and 128 were in the non-OP group, accounting for 47.54% and 52.46%, respectively. There were 101 patients (41.39%) in the plaque group and 143 patients (58.61%) in the non-plaque group. The IMT thickening and plaque formation was positively correlated with osteopenia. The age, weight as well as IMT were significantly correlated with osteoporosis (P<0.05). The incidence of arterial plaques in the male elderly was 61.90% and 40.98% in the OP and non-OP groups, respectively, and the difference was not statistically significant (P>0.05). The incidence of arterial plaques in female elderly was 71.62% in the OP, which was higher than that (47.76%) in the non-OP group (P<0.05). Conclusion Osteoporosis is closely related to arteriosclerosis in the elderly. Compared with the non-osteoporotic elderly, the elderly with osteoporosis are more likely to develop arteriosclerosis, and the incidence of arteriosclerosis in the female elderly with osteoporosis is high.

      [Key words] Elderly; Osteoporosis; Arteriosclerosis; Dual-energy X-ray bone densitometer; Total cholesterol; Triglycerides

      骨質(zhì)疏松(Osteporsis, OP)、動(dòng)脈硬化是老年群體中較為常見且多發(fā)的疾病,其對(duì)老年人的身心健康和生活質(zhì)量均產(chǎn)生了嚴(yán)重的影響[1-2]。一直以來(lái),均認(rèn)為OP與動(dòng)脈硬化之間無(wú)內(nèi)在的聯(lián)系,僅認(rèn)為兩者均與年齡之間呈正相關(guān)關(guān)系[3-5]。近年來(lái)有研究顯示,老年OP患者多伴有動(dòng)脈硬化、血管鈣化,并認(rèn)為OP與動(dòng)脈硬化有一定的相關(guān)性[6-7]。然而,現(xiàn)有文獻(xiàn)關(guān)于OP與動(dòng)脈硬化相關(guān)性研究的文獻(xiàn)還比較少且研究結(jié)果不盡一致,因此本文于2019年1月至2020年12月期間在本院接受健康體檢的244名老年人作為觀察對(duì)象,分析了OP與動(dòng)脈硬化的相關(guān)性,現(xiàn)報(bào)道如下。

      1 資料與方法

      1.1 一般資料

      本研究于2019年1月至2020年12月期間在本院接受健康體檢的244名老年人作為觀察對(duì)象,在本院醫(yī)學(xué)倫理委員會(huì)批準(zhǔn)后展開研究。納入標(biāo)準(zhǔn):①年齡60歲以上者;②依據(jù)WHO診斷標(biāo)準(zhǔn)被診斷為OP的老年患者[8]。排除標(biāo)準(zhǔn):①伴有甲狀旁腺功能亢進(jìn)、糖尿病等易患OP疾病的患者[9];②伴有肝、腎功能不全的患者;③伴有骨折的患者;④服用過(guò)糖皮質(zhì)激素等易于引發(fā)OP的患者。然后將入選的研究對(duì)象分為OP組、非OP組、有斑塊組和無(wú)斑塊組。

      1.2 方法

      在對(duì)骨密度進(jìn)行測(cè)量的過(guò)程中采用由GE公司提供的雙能X線型號(hào)為Prodigy Primo 骨密度儀進(jìn)行測(cè)量。依據(jù)WHO的診斷標(biāo)準(zhǔn),骨密度T值在-2.50 SD以下時(shí)被則被診斷為骨質(zhì)疏松[10]。采用GE公司提供的型號(hào)為 LOGIQ E9多普勒超聲診斷儀對(duì)動(dòng)脈內(nèi)中膜厚度(IMT)和斑塊進(jìn)行測(cè)量。依據(jù)相關(guān)標(biāo)準(zhǔn),當(dāng)IMT在1.30 mm以上時(shí)被診斷為動(dòng)脈粥樣斑塊,當(dāng)其在0.90 mm以上時(shí)被診斷為內(nèi)中膜增厚[11]。

      1.3 觀察指標(biāo)

      對(duì)不同組別下的年齡、性別、BMI、總膽固醇(TC)、三酰甘油(TG)、低密度脂蛋白-膽固醇(LDL-C)、高密度脂蛋白膽固醇(HDL-C)、C-反應(yīng)蛋白(CRP)、堿性磷酸酶(ALP)、動(dòng)脈血管的內(nèi)膜中層厚度(IMT)、血鈣、血磷指標(biāo)進(jìn)行分析。同時(shí),對(duì)不同性別骨質(zhì)疏松的動(dòng)脈斑塊發(fā)生率進(jìn)行分析。

      1.4 統(tǒng)計(jì)學(xué)方法

      采用SPSS 19.0統(tǒng)計(jì)學(xué)軟件進(jìn)行數(shù)據(jù)分析,計(jì)量資料以均數(shù)±標(biāo)準(zhǔn)差(x±s)表示,組間比較采用t檢驗(yàn),計(jì)數(shù)資料以[n(%)]表示,組間比較采用χ2檢驗(yàn),以P<0.05表示差異有統(tǒng)計(jì)學(xué)意義。

      2 結(jié)果

      2.1 OP組與非OP組相關(guān)指標(biāo)比較

      244名老年健康體檢者中,OP組116名,非OP組128名,分別占47.54%、52.46%。OP組與非OP組年齡、性別、BMI、TC、TG、LDL-C、HDL-C、CRP、ALP、IMT、血鈣、血磷指標(biāo)比較,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。見表1。

      2.2 有斑塊組與無(wú)斑塊組的相關(guān)指標(biāo)比較

      依據(jù)有無(wú)粥樣斑塊,將244名老年健康體檢者分為有斑塊組和無(wú)斑塊組。其中,有斑塊組101名,占41.39%,無(wú)斑塊組143名,占58.61%。兩組年齡、性別、BMI、TC、TG、LDL-C、HDL-C、CRP、ALP、IMT、血鈣、血磷指標(biāo)比較,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。見表2。

      2.3不同性別動(dòng)脈斑塊發(fā)生率比較

      OP組與非OP組男性老年人動(dòng)脈斑塊發(fā)生率分別為61.90%、40.98%,差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05)。OP組與非OP組女性老年人動(dòng)脈斑塊發(fā)生率分別為71.62%、47.76%,OP組高于非OP組(P<0.05)。見表3。

      3 討論

      骨質(zhì)疏松(OP)作為一種全身性骨代謝性疾病,其多發(fā)于老年群體,其主要以骨組織微結(jié)構(gòu)破壞和低骨量為主要特征[12-13]。OP主要可分為繼發(fā)性O(shè)P、兩種原發(fā)性O(shè)P。其中,繼發(fā)性O(shè)P是由于除本病外的全身性或內(nèi)分泌性代謝性疾病引發(fā)的骨組織含量減少[14]。原發(fā)性O(shè)P指不伴有引發(fā)OP癥的其他疾病[15]。動(dòng)脈硬化也是老年群體中多發(fā)的一種疾病,其發(fā)病率隨著老齡化進(jìn)程的不斷推進(jìn)而顯著上升[16]。動(dòng)脈硬化與老年人心血管疾病的發(fā)生率有密切的關(guān)系,其可同時(shí)累及頸動(dòng)脈、冠狀動(dòng)脈以及其他動(dòng)脈[17]。近年來(lái)OP與動(dòng)脈硬化的發(fā)病率均呈現(xiàn)上升的趨勢(shì)。對(duì)于老年人而言,其大多是多種疾病并存。目前多項(xiàng)流行病學(xué)顯示,OP與動(dòng)脈硬化是相伴發(fā)生的,對(duì)于二者的相關(guān)性研究逐漸成為醫(yī)學(xué)界研究的一個(gè)熱點(diǎn)[18-19]。本研究對(duì)OP與動(dòng)脈硬化的相關(guān)性進(jìn)行分析,結(jié)果顯示,244名老年健康體檢者中,OP組116名,非OP組128名,分別占為47.54%、52.46%。OP組與非OP組在年齡、性別、BMI、TC、TG、LDL-C、HDL-C、CRP、ALP、IMT、血鈣、血磷指標(biāo)比較,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。有斑塊組101名,占為41.39%,無(wú)斑塊組143名,占為58.61%。在年齡、性別、BMI、TC、TG、LDL-C、HDL-C、CRP、ALP、IMT、血鈣、血磷指標(biāo)比較,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。OP組與非OP組男性老年人動(dòng)脈斑塊發(fā)生率分別為61.90%、40.98%,差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05)。OP組與非OP組女性老年人動(dòng)脈斑塊發(fā)生率分別為71.62%、47.76%,OP組高于非OP組(P<0.05)。上述研究結(jié)果提示,OP與動(dòng)脈硬化存在相關(guān)性。對(duì)于OP患者而言,鈣會(huì)從骨中溶出增加,并在體循環(huán)的作用下沉積在動(dòng)脈壁內(nèi)膜中,進(jìn)而導(dǎo)致動(dòng)脈硬化、鈣化,從而降低血管的順應(yīng)性[20]。與此同時(shí),伴隨老年人年齡的增長(zhǎng),其鈣的吸收性更差,而長(zhǎng)期缺鈣,則會(huì)促使甲狀旁腺技術(shù)升高,并促使腎1α羥化酶活性增強(qiáng),進(jìn)而導(dǎo)致血鈣升高,從而沉淀在血管壁上,進(jìn)而導(dǎo)致動(dòng)脈硬化發(fā)生。動(dòng)脈硬化則會(huì)導(dǎo)致骨組織發(fā)生病理變化,主要表現(xiàn)為骨礦物含量下降,在嚴(yán)重的情況下則會(huì)導(dǎo)致OP發(fā)生[21-22]。動(dòng)脈硬化與OP之間是互為因果的關(guān)系,IMT可作為OP與動(dòng)脈硬化關(guān)系的一個(gè)參考指標(biāo),其越高代表是OP越嚴(yán)重[23]。動(dòng)脈硬化斑塊形成,其機(jī)制可能在于血脂以及脂蛋白在動(dòng)脈壁內(nèi)、骨血管內(nèi)皮下層基質(zhì)中成績(jī),進(jìn)而導(dǎo)致脂質(zhì)過(guò)氧化,進(jìn)而加速了動(dòng)脈血管壁的炎癥反應(yīng)。在此作用下,起到抑制骨細(xì)胞分化和骨礦化的作用。Ahn等[24]、張樹東等[25]在研究中也一致認(rèn)為OP與動(dòng)脈硬化存在相關(guān)性,這一研究結(jié)果與本研究一致。因此,對(duì)骨質(zhì)疏松患者進(jìn)行早期骨密度測(cè)定,并對(duì)動(dòng)脈硬化進(jìn)行檢查,其對(duì)于預(yù)防動(dòng)脈硬化的發(fā)生以及減少心血管事件的發(fā)生有重要的價(jià)值和意義。

      綜上所述,老年人骨質(zhì)疏松與動(dòng)脈硬化有密切的關(guān)系,相比于非骨質(zhì)疏松老年群體,骨質(zhì)疏松老年群體更易發(fā)生動(dòng)脈硬化,且女性骨質(zhì)疏松老年人動(dòng)脈硬化的發(fā)生率更高。

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      [24] Ahn KS,Kang CH,Cho SB,et al.Height loss was associated with osteoporosis in Korean elderly men,not in women:The Korea national health and nutrition examination survey 2008-2010[J].Journal of Clinical Densitometry,2017,10(9):501-504.

      [25] 張樹東,趙思聰,李世飛,等.骨質(zhì)疏松治療靶點(diǎn):骨硬化蛋白及DKK-1與年齡、體質(zhì)量指數(shù)、血糖和血脂之間的關(guān)系[J].中國(guó)組織工程研究,2018,22(32):5085-5090.

      (收稿日期:2021-04-28)

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