曾濤 何濃 熊福生
摘要:目的? 探討阿侖膦酸鈉維D3片對骨質(zhì)疏松合并股骨頸骨折患者髖關(guān)節(jié)置換術(shù)后假體周圍骨密度及骨代謝指標(biāo)的影響。方法? 選取2021年3月-2022年11月川北醫(yī)學(xué)院附屬遂寧市中醫(yī)院收治的50例骨質(zhì)疏松癥合并股骨頸骨折患者作為研究對象,利用隨機(jī)數(shù)字表法分為試驗(yàn)組及對照組,各25例。對照組術(shù)后給予碳酸鈣D3片治療,試驗(yàn)組在其基礎(chǔ)上給予阿侖膦酸鈉維D3片治療,比較兩組患側(cè)股骨粗隆骨密度、血清骨鈣素、Ⅰ型前膠原N-端前肽及骨特異性堿性磷酸酶水平及不良反應(yīng)發(fā)生率。結(jié)果? 試驗(yàn)組治療后6個月股骨粗隆骨密度高于對照組(P<0.05);試驗(yàn)組治療后6個月血清骨鈣素、Ⅰ型前膠原N-端前肽及血清骨特異性堿性磷酸酶水平低于對照組(P<0.05);兩組不良反應(yīng)發(fā)生率比較,差異無統(tǒng)計(jì)學(xué)意義(P>0.05)。結(jié)論? 阿侖膦酸鈉維D3片能夠調(diào)節(jié)骨代謝,有效預(yù)防因骨質(zhì)疏松性股骨頸骨折而行髖關(guān)節(jié)置換術(shù)患者術(shù)后假體周圍骨量丟失,且應(yīng)用安全性高。
關(guān)鍵詞:阿侖膦酸鈉維D3片;骨質(zhì)疏松癥;股骨頸骨折;髖關(guān)節(jié)置換術(shù);骨代謝標(biāo)志物;骨密度
中圖分類號:R683? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 文獻(xiàn)標(biāo)識碼:A? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? DOI:10.3969/j.issn.1006-1959.2024.11.018
文章編號:1006-1959(2024)11-0098-04
Effect of Alendronate Sodium and Vitamin D3 Tablets on Periprosthetic Bone Mineral Density
and Bone Metabolism Indexes in Patients with Osteoporosis Complicated
with Femoral Neck Fracture After Hip Replacement
Abstract:Objective? To investigate the effects of alendronate sodium and vitamin D3 tablets on periprosthetic bone mineral density and bone metabolism indexes in patients with osteoporosis and femoral neck fracture after hip replacement.Methods? A total of 50 patients with osteoporosis complicated with femoral neck fracture admitted to Suining Hospital of Traditional Chinese Medicine Affiliated to North Sichuan Medical College from March 2021 to November 2022 were selected as the research objects. They were divided into experimental group and control group by random number table method, with 25 patients in each group. The control group was treated with calcium carbonate D3 tablets after operation, and the experimental group was treated with alendronate sodium vitamin D3 tablets on the basis of the control group. The femoral trochanter bone mineral density, serum osteocalcin, procollagen type I N-terminal propeptide, bone-specific alkaline phosphatase levels and incidence of adverse reactions were compared between the two groups.Results? The bone mineral density of femoral trochanter in the experimental group was higher than that in the control group at 6 months after treatment (P<0.05). The levels of serum osteocalcin, type I procollagen N-terminal propeptide and serum bone-specific alkaline phosphatase in the experimental group were lower than those in the control group at 6 months after treatment (P<0.05). There was no significant difference in the incidence of adverse reactions between the two groups (P>0.05).Conclusion? Alendronate sodium and vitamin D3 tablets can regulate bone metabolism, effectively prevent periprosthetic bone loss in patients undergoing hip replacement due to prevention of osteoporotic femoral neck fracture, and have high application safety.
Key words:Alendronate sodium and vitamin D3 tablets;Osteoporosis;Femoral neck fracture;Hip replacement;Bone metabolism markers;Bone mineral density
近年來隨著社會人口老齡化進(jìn)程不斷加快,骨質(zhì)疏松癥的發(fā)病率明顯增加,骨質(zhì)疏松癥合并股骨頸骨折患者的數(shù)量亦明顯增加[1]。人工髖關(guān)節(jié)置換術(shù)能夠重建髖關(guān)節(jié)功能,減輕髖部疼痛,明顯提高患者生活質(zhì)量[2]。但是由于假體彈性模量高于人類骨骼,可產(chǎn)生應(yīng)力遮擋,加速假體周圍骨質(zhì)流失,而且骨質(zhì)疏松癥患者破骨細(xì)胞活性明顯增強(qiáng),骨重建失衡,可進(jìn)一步造成假體周圍骨量減少,最終減少假體壽命[3]。因此,如何預(yù)防髖關(guān)節(jié)置換術(shù)后假體骨量減少是臨床上降低假體置換術(shù)后并發(fā)癥并改善患者術(shù)后生活質(zhì)量急需解決的關(guān)鍵問題。阿侖膦酸鈉維生素D3片是臨床上常用于抗骨質(zhì)吸收的藥物,其治療骨質(zhì)疏松癥的療效確切[4],但是關(guān)于該藥用于骨質(zhì)疏松癥患者髖關(guān)節(jié)置換術(shù)后的報道較少。本研究旨在探討阿侖膦酸鈉維生素D3片對骨質(zhì)疏松性人工髖關(guān)節(jié)置換術(shù)后假體周圍骨密度、血清骨鈣素(osteocalcin, OC)、血清Ⅰ型前膠原N-端前肽(procollagen type ⅠN-peptide, PⅠNP)以及血清骨特異性堿性磷酸酶(bone-specific alkaline phosphatase, BALP)的影響,以期為臨床相關(guān)治療決策提供參考。
1資料與方法
1.1一般資料? 將2021年3月-2022年11月川北醫(yī)學(xué)院附屬遂寧市中醫(yī)醫(yī)院收治的50例骨質(zhì)疏松癥合并股骨頸骨折的患者作為研究對象,利用隨機(jī)數(shù)字表法分為試驗(yàn)組與對照組,每組25例。納入標(biāo)準(zhǔn):①年齡大于或者等于65歲,性別不限;②X線片診斷為股骨頸骨折,分型為GardenⅢ~Ⅳ型;③符合《原發(fā)性骨質(zhì)疏松癥診療指南(2017)》[5]中骨質(zhì)疏松癥的診斷標(biāo)準(zhǔn);④初次行人工髖關(guān)節(jié)置換術(shù)。排除標(biāo)準(zhǔn):①存在感染或其他嚴(yán)重合并病者;②存在髖關(guān)節(jié)置換術(shù)的禁忌證,如高位髖關(guān)節(jié)脫位伴骨盆骨量嚴(yán)重缺乏、髖外展肌肌力不足;③合并影響骨代謝的其他疾病,如惡性腫瘤、甲狀旁腺疾病及腎上腺疾病等;④嚴(yán)重肝腎功能不全者;⑤對雙膦酸鹽過敏者;⑥合并嚴(yán)重心理、精神疾病且依從性差者。試驗(yàn)組男11例,女14例;年齡65~88歲,平均年齡(72.75±7.57)歲。對照組男9例,女16例;年齡65~77歲,平均年齡(70.00±3.91)歲。兩組年齡及性別比較,差異無統(tǒng)計(jì)學(xué)意義(P>0.05),具有可比性。本研究經(jīng)本院醫(yī)學(xué)倫理委員會批準(zhǔn)進(jìn)行,患者及家屬知情同意并簽署知情同意書。
1.2方法? 試驗(yàn)組及對照組患者入院后由同一位高級職稱醫(yī)師完成全髖關(guān)節(jié)置換術(shù),術(shù)后給予常規(guī)抗凝、止痛治療。關(guān)節(jié)置換術(shù)后1周,兩組均給予鈣劑治療(碳酸鈣D3片,惠氏制藥有限公司,國藥準(zhǔn)字H10950029,規(guī)格:每片含鈣元素600 mg,含維生素D3 125 IU),口服,1片/次,1次/d,持續(xù)治療6個月。試驗(yàn)組在此基礎(chǔ)上服用阿侖膦酸鈉維D3片治療(石藥集團(tuán)歐意藥業(yè)有限公司,國藥準(zhǔn)字H20110079,規(guī)格:每片阿侖膦酸鈉維D3片含阿侖膦酸鈉70 mg,含維生素D3 2800 IU),1片/次,1次/周,每周一晨起空腹以200 ml白開水送服,服藥后30 min內(nèi)避免平臥,保持站立或者坐立并避免服用其他任何藥品或者食物,持續(xù)服用6個月。
1.3觀察指標(biāo)? ①假體周圍骨密度:分別在治療前及治療后6個月采用雙能X線骨密度檢測儀評估患肢股骨粗隆骨密度;②骨轉(zhuǎn)換指標(biāo):分別在治療前及治療后3、6個月抽取患者空腹靜脈血5 ml,檢測血清OC、PINP及BALP;③不良反應(yīng)事件:記錄患者治療期間所出現(xiàn)的不良反應(yīng),并由課題組醫(yī)師評估及處理。
1.4統(tǒng)計(jì)學(xué)方法? 采用Graphpad Prism 9.0軟件對所得數(shù)據(jù)進(jìn)行分析,計(jì)量資料以(x±s)表示,滿足正態(tài)分布及方差齊性者組間采用獨(dú)立樣本t檢驗(yàn),組內(nèi)采用配對t檢驗(yàn);計(jì)數(shù)資料以[n(%)]表示,采用χ2檢驗(yàn);以P<0.05為差異有統(tǒng)計(jì)學(xué)意義。
2結(jié)果
2.1兩組假體周圍骨密度比較? 試驗(yàn)組治療后6個月患肢股骨粗隆骨密度高于對照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05),見表1。
2.2兩組OC比較? 試驗(yàn)組治療后3個月血清骨鈣素低于對照組,但差異無統(tǒng)計(jì)學(xué)意義(P>0.05);試驗(yàn)組治療后6個月血清骨鈣素低于對照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05),見表2。
2.3兩組PINP比較? 試驗(yàn)組治療后3個月PINP低于對照組,但差異無統(tǒng)計(jì)學(xué)意義(P>0.05);試驗(yàn)組治療后6個月PINP低于對照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05),見表3。
2.4兩組BALP比較? 試驗(yàn)組治療后3個月BALP低于對照組,但差異無統(tǒng)計(jì)學(xué)意義(P>0.05);試驗(yàn)組治療后6個月BALP低于對照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05),見表4。
2.5兩組不良反應(yīng)事件比較? 試驗(yàn)組與對照組患者在治療及隨訪期間均無嚴(yán)重并發(fā)癥發(fā)生,兩組不良反應(yīng)發(fā)生率比較,差異無統(tǒng)計(jì)學(xué)意義(P>0.05),見表5。
3討論
原發(fā)性骨質(zhì)疏松癥患者由于雌激素缺乏、年齡增長等不可控因素的影響下,導(dǎo)致機(jī)體免疫活化,腫瘤壞死因子-α(tumor necrosis factor-α, TNF-α)、白介素-6(interleukin-6, IL-6)等細(xì)胞因子濃度增加,從而刺激、促進(jìn)破骨細(xì)胞分化,雌激素缺乏,其對破骨細(xì)胞抑制作用減弱,破骨細(xì)胞數(shù)量增加,骨重建失衡,骨轉(zhuǎn)換率增加,凈骨量丟失亦增加[6,7]。在行人工髖關(guān)節(jié)置換術(shù)后,假體將股骨頸中的張力骨小梁及壓力骨小梁替代,加之假體彈性模量較高,導(dǎo)致骨盆應(yīng)力傳導(dǎo)發(fā)生改變,假體周圍骨質(zhì)呈現(xiàn)失用性骨質(zhì)疏松表現(xiàn),其中股骨近端較為明顯[8]。上述原因?qū)е鹿琴|(zhì)疏松癥患者行關(guān)節(jié)置換術(shù)后,假體周圍骨量丟失風(fēng)險明顯增高,假體植入失敗率上升。阿侖膦酸鈉是第三代雙膦酸鹽,具有調(diào)節(jié)骨重建的作用,能夠抑制破骨細(xì)胞介導(dǎo)的骨吸收,阻斷類異戊二酸合成甲羥戊酸,從而誘導(dǎo)破骨細(xì)胞凋亡,抑制其分化、成熟[9]。目前國內(nèi)外文獻(xiàn)均表明[10-12],阿侖膦酸鈉能夠有效抑制破骨細(xì)胞活性,提升骨質(zhì)疏松癥患者中軸骨骨密度。動物試驗(yàn)表明[13],阿侖膦酸鈉可以提高新西蘭白兔股骨種植物周圍骨儲備;Morita A等[14]研究發(fā)現(xiàn),阿侖膦酸鈉聯(lián)合特立帕肽能夠有效預(yù)防植入假體周圍骨質(zhì)丟失,尤其對股骨近端影響顯著(Gruen1區(qū)及7區(qū))。
本研究結(jié)果顯示,試驗(yàn)組治療后6個月患肢股骨粗隆骨密度高于對照組(P<0.05);試驗(yàn)組治療后6個月血清OC、PINP及BALP水平低于對照組(P<0.05);兩組不良反應(yīng)發(fā)生率比較,差異無統(tǒng)計(jì)學(xué)意義(P>0.05),與既往研究結(jié)果一致[15,16]。研究表明[17],阿侖膦酸鈉與骨羥基磷灰石具有高親和力,可特異性結(jié)合骨表面進(jìn)行活骨重塑,抑制破骨細(xì)胞功能,降低骨轉(zhuǎn)換。骨重建包含激活、吸收、耦聯(lián)、形成與礦化過程,其中耦聯(lián)過程依賴破骨細(xì)胞形成吸收陷窩并分泌耦聯(lián)因子吸引成骨細(xì)胞進(jìn)入吸收陷窩開始類骨質(zhì)形成及礦化,此過程中OC、PINP、BALP分泌增加[18]。當(dāng)阿侖膦酸鈉抑制破骨細(xì)胞活性、降低骨轉(zhuǎn)換時勢必影響到骨重建耦聯(lián)過程,耦聯(lián)因子減少使得骨形成標(biāo)志物水平下降[19]。骨轉(zhuǎn)換標(biāo)志物的下降表明了阿侖膦酸鈉維D3片對預(yù)防骨質(zhì)疏松患者髖關(guān)節(jié)置換術(shù)后假體骨量丟失的有效性。此外,本研究過程兩組患者均出現(xiàn)腹脹,可能與老年患者胃腸功能較差及服用碳酸鈣D3片有關(guān)[20],但并未出現(xiàn)嚴(yán)重不良反應(yīng),提示運(yùn)用阿侖膦酸鈉維D3片預(yù)防骨質(zhì)疏松患者髖關(guān)節(jié)置換術(shù)后假體骨量丟失是安全的。
綜上所述,阿侖膦酸鈉維D3片能夠有效預(yù)防因骨質(zhì)疏松性股骨頸骨折而行髖關(guān)節(jié)置換術(shù)患者術(shù)后假體周圍骨量丟失,能夠降低患者血清OC、PINP、BALP水平,且治療期間無嚴(yán)重并發(fā)癥發(fā)生,安全性較高。但因本研究樣本量較少,隨訪時間較短,結(jié)論尚需多中心、大樣本、前瞻性隨機(jī)對照試驗(yàn)進(jìn)一步驗(yàn)證。
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