麻曉君,戴 霞*,陸麗榮,羅祖純,韋 春
·論著·
有氧運(yùn)動(dòng)和抗阻運(yùn)動(dòng)對(duì)糖調(diào)節(jié)受損患者空腹血糖及胰島素抵抗的影響研究
麻曉君1,戴 霞1*,陸麗榮2,羅祖純1,韋 春3
目的探討有氧運(yùn)動(dòng)和抗阻運(yùn)動(dòng)對(duì)糖調(diào)節(jié)受損(IGR)患者空腹血糖(FPG)和胰島素抵抗的干預(yù)效果,為有效預(yù)防和延緩糖尿病前期進(jìn)展為糖尿病提供依據(jù)。方法于2015年6—8月在桂林市疊彩、南門及秀峰社區(qū)衛(wèi)生服務(wù)中心長(zhǎng)期管理的居民中篩選IGR患者143例,采用隨機(jī)數(shù)字表法分為對(duì)照組(47例)、有氧組(48例)、抗阻組(48例)。對(duì)照組每3個(gè)月隨訪1次,但不對(duì)其進(jìn)行行為干預(yù)。有氧組進(jìn)行中等強(qiáng)度的有氧運(yùn)動(dòng),主要為韻律操、有氧健身操等??棺杞M進(jìn)行中等強(qiáng)度的抗阻運(yùn)動(dòng),采用彈力繩以60%~70%的單次最大負(fù)荷完成指定動(dòng)作,主要選取腰背部及腹部肌群、腿部及臀部肌群、上肢肌群進(jìn)行訓(xùn)練。有氧組和抗阻組總運(yùn)動(dòng)時(shí)間均為50 min/次,隔日1次。分別于干預(yù)前及干預(yù)3、6、12個(gè)月時(shí)檢測(cè)FPG、空腹胰島素(FINS)水平,計(jì)算胰島素抵抗指數(shù)(HOMA-IR)、胰島素作用指數(shù)(IAI)。結(jié)果干預(yù)結(jié)束后,對(duì)照組38例、有氧組39例、抗阻組38例完成本研究。時(shí)間與運(yùn)動(dòng)方式對(duì)FPG、FINS、HOMA-IR、IAI的交互作用顯著,時(shí)間、運(yùn)動(dòng)方式對(duì)FPG、FINS、HOMA-IR、IAI的主效應(yīng)顯著(P<0.05)。干預(yù)3個(gè)月時(shí),有氧組、抗阻組FPG低于對(duì)照組;干預(yù)6個(gè)月時(shí),有氧組、抗阻組FPG、FINS、HOMA-IR低于對(duì)照組,IAI高于對(duì)照組,抗阻組FPG低于有氧組;干預(yù)12個(gè)月時(shí),有氧組、抗阻組FPG、FINS、HOMA-IR低于對(duì)照組,IAI高于對(duì)照組(P<0.05)。干預(yù)3個(gè)月時(shí),有氧組、抗阻組FPG、HOMA-IR低于干預(yù)前,IAI高于干預(yù)前;干預(yù)6個(gè)月時(shí),有氧組、抗阻組FPG、FINS、HOMA-IR低于干預(yù)前,IAI高于干預(yù)前;干預(yù)12個(gè)月時(shí),有氧組、抗阻組FPG低于干預(yù)前,對(duì)照組、有氧組、抗阻組FINS、HOMA-IR低于干預(yù)前,IAI高于干預(yù)前(P<0.05)。結(jié)論有氧運(yùn)動(dòng)和抗阻運(yùn)動(dòng)對(duì)IGR患者的FPG、FINS、胰島素抵抗、胰島素敏感性均有明顯的改善作用,效果相似。
糖尿病前期;有氧運(yùn)動(dòng);抗阻訓(xùn)練;血糖;胰島素抗藥性
糖尿病前期又稱糖調(diào)節(jié)受損(IGR),是健康和糖尿病的中間狀態(tài),其主要特征是胰島素抵抗和胰島素分泌功能異常[1]。2007—2008年全國(guó)糖尿病流行病學(xué)調(diào)查結(jié)果顯示,IGR患病率高達(dá)50.1%[2],是最重要的2型糖尿病高危人群。每年有1.5%~10.0%的IGR患者進(jìn)展為2型糖尿病,但I(xiàn)GR是可逆的,生活干預(yù)可使IGR進(jìn)展為2型糖尿病的風(fēng)險(xiǎn)下降58%[3-5]。運(yùn)動(dòng)是最經(jīng)濟(jì)、有效的生活干預(yù)手段,一直以來有氧運(yùn)動(dòng)被認(rèn)為是防治糖尿病的最佳運(yùn)動(dòng)方式,但近年來發(fā)現(xiàn),抗阻訓(xùn)練也可改善糖尿病患者的血糖水平和胰島素抵抗[6]。目前已有針對(duì)IGR患者的運(yùn)動(dòng)干預(yù)項(xiàng)目,但持續(xù)時(shí)間均較短(3~6個(gè)月)[7-9]。長(zhǎng)期有氧運(yùn)動(dòng)和抗阻運(yùn)動(dòng)對(duì)IGR患者胰島素抵抗的干預(yù)效果比較,尚需進(jìn)一步明確。本研究對(duì)IGR患者進(jìn)行為期1年的有氧運(yùn)動(dòng)和抗阻運(yùn)動(dòng)干預(yù),比較兩者對(duì)IGR患者胰島素抵抗的干預(yù)效果,為糖尿病的預(yù)防提供依據(jù)。
1.1 病例納入與排除標(biāo)準(zhǔn) 納入標(biāo)準(zhǔn):(1)IGR的診斷符合1999年WHO的診斷標(biāo)準(zhǔn):空腹血糖受損(IFG)為空腹血糖(FPG)6.1~<7.0 mmol/L,且口服葡萄糖耐量試驗(yàn)(OGTT)服糖后2 h血糖(2 hPG)<7.8 mmol/L,糖耐量減低(IGT)為FPG<7.0 mmol/L,且2 hPG為7.8~<11.1 mmol/L[2];(2)無運(yùn)動(dòng)障礙;(3)完成運(yùn)動(dòng)前評(píng)估,無運(yùn)動(dòng)禁忌證;(4)年齡為40~70歲,有靜坐少動(dòng)的生活習(xí)慣(單次靜坐時(shí)間≥90 min,運(yùn)動(dòng)少于2次/周,低于15 min/次);(5)知情同意并自愿參與本研究,簽署知情同意書。排除標(biāo)準(zhǔn):(1)處于感染、應(yīng)激狀態(tài),有各種嚴(yán)重急慢性疾病、腫瘤及其他免疫性疾??;(2)不能按要求配合完成本研究;(3)使用糖皮質(zhì)激素類藥物或使用降糖藥物;(4)妊娠期及哺乳期女性。
1.2 研究對(duì)象 于2015年6—8月在桂林市疊彩、南門及秀峰社區(qū)衛(wèi)生服務(wù)中心長(zhǎng)期管理的居民中篩選符合納入標(biāo)準(zhǔn)的IGR患者143例,采用隨機(jī)數(shù)字表法分為對(duì)照組(47例)、有氧組(48例)、抗阻組(48例)。本研究經(jīng)廣西醫(yī)科大學(xué)第一附屬醫(yī)院醫(yī)學(xué)倫理委員會(huì)審查并批準(zhǔn)實(shí)施,研究對(duì)象均自愿參與,并簽署知情同意書。
1.3 方法
1.3.1 糖尿病教育 由糖尿病??谱o(hù)士對(duì)3組患者分批進(jìn)行糖尿病教育(各組授課內(nèi)容一致),包括糖尿病及IGR的基礎(chǔ)知識(shí)、營(yíng)養(yǎng)膳食、血糖監(jiān)測(cè)等內(nèi)容,以多媒體集體授課為主,40 min/次,共4次,課程結(jié)束發(fā)放《合理飲食輕松降糖》[10]系列圖書,供患者參考學(xué)習(xí)。
1.3.2 干預(yù)前準(zhǔn)備 由專業(yè)運(yùn)動(dòng)康復(fù)師采用《體力活動(dòng)準(zhǔn)備問卷(PAR-Q)》對(duì)有氧組、抗阻組患者進(jìn)行運(yùn)動(dòng)負(fù)荷試驗(yàn)前的安全評(píng)估,合格者進(jìn)行運(yùn)動(dòng)負(fù)荷試驗(yàn)(功率車GXT,運(yùn)動(dòng)時(shí)間為20 min),全面評(píng)估心肺儲(chǔ)備功能、儲(chǔ)備攝氧量、代謝當(dāng)量,抗阻組測(cè)試單次最大負(fù)荷,結(jié)合上述數(shù)據(jù)評(píng)估患者的運(yùn)動(dòng)安全性。參考《美國(guó)運(yùn)動(dòng)醫(yī)學(xué)會(huì)(ACSM)運(yùn)動(dòng)測(cè)試與運(yùn)動(dòng)處方指南(第9版)》[11]及戴霞等[12]研發(fā)的糖尿病量化運(yùn)動(dòng)處方為患者制定個(gè)體化運(yùn)動(dòng)方案。干預(yù)實(shí)施前2周以適應(yīng)性訓(xùn)練和學(xué)習(xí)技術(shù)動(dòng)作為主,循序漸進(jìn)適應(yīng)運(yùn)動(dòng)強(qiáng)度,并根據(jù)患者個(gè)體情況進(jìn)行調(diào)整,達(dá)到要求后,再正式進(jìn)入干預(yù)階段。
1.3.3 干預(yù)方法 (1)對(duì)照組:每3個(gè)月隨訪1次,但不對(duì)其進(jìn)行行為干預(yù)。(2)有氧組:指導(dǎo)進(jìn)行中等強(qiáng)度的有氧運(yùn)動(dòng),等同于40%~59%儲(chǔ)備攝氧量,運(yùn)動(dòng)中測(cè)試患者脈率10 s,保持中等強(qiáng)度運(yùn)動(dòng)的脈率(170-年齡)。每次有氧運(yùn)動(dòng)前熱身5 min,訓(xùn)練時(shí)間為40 min,主要為韻律操、有氧健身操等,運(yùn)動(dòng)后拉伸放松5 min,隔日1次。(3)抗阻組:指導(dǎo)進(jìn)行中等強(qiáng)度的抗阻運(yùn)動(dòng),采用彈力繩(美國(guó)Go Fit)以患者60%~70%的單次最大負(fù)荷完成指定動(dòng)作,主要選取腰背部及腹部肌群、腿部及臀部肌群、上肢肌群進(jìn)行訓(xùn)練,同一肌群訓(xùn)練2~3組,每組重復(fù)10~15次,使用中等速度(向心、離心1~2 s)[13],組間休息1 min充分拉伸放松,訓(xùn)練時(shí)間為40 min。運(yùn)動(dòng)前熱身及運(yùn)動(dòng)后放松各5 min,總運(yùn)動(dòng)時(shí)間為50 min/次,隔日1次。
1.3.4 質(zhì)量控制 患者晚餐后休息至少1 h方可運(yùn)動(dòng),避免過飽,運(yùn)動(dòng)前需著運(yùn)動(dòng)服,19:00~20:00或20:00~21:00任選一個(gè)時(shí)段到指定的露天運(yùn)動(dòng)場(chǎng)集合,由指定護(hù)士常規(guī)測(cè)量血壓后,在運(yùn)動(dòng)康復(fù)師指導(dǎo)下進(jìn)行相應(yīng)訓(xùn)練,告知患者如出現(xiàn)身體不適,應(yīng)及時(shí)報(bào)告醫(yī)護(hù)人員處理。各組分別設(shè)有管理組長(zhǎng),記錄出勤情況,未參加訓(xùn)練或訓(xùn)練時(shí)間不足50 min者視為缺勤,研究者及時(shí)了解缺勤者情況并適當(dāng)做出調(diào)整,對(duì)無故缺勤者進(jìn)行耐心的教育和勸導(dǎo),每3個(gè)月統(tǒng)計(jì)考勤狀況,對(duì)出勤率低于75%者視為脫落,取消隨訪。使用微信、QQ、電話、短信等方式建立信息聯(lián)絡(luò)群,若訓(xùn)練遇特殊情況,如寒潮、雷雨天氣等,由管理組長(zhǎng)通知改期或轉(zhuǎn)移至各社區(qū)衛(wèi)生服務(wù)中心指定的室內(nèi)運(yùn)動(dòng)場(chǎng)繼續(xù)訓(xùn)練。研究者注意監(jiān)督患者是否服用影響血糖的藥物、出現(xiàn)運(yùn)動(dòng)損傷、失訪等情況,及時(shí)處理。各組的運(yùn)動(dòng)方案由運(yùn)動(dòng)康復(fù)師指導(dǎo),研究者監(jiān)督執(zhí)行,對(duì)完成研究者給予適當(dāng)鼓勵(lì)。
1.3.5 觀察指標(biāo)和技術(shù)路線圖 分別于干預(yù)前及干預(yù)3、6、12個(gè)月時(shí),抽取空腹靜脈血,采用日立7600全自動(dòng)生化儀檢測(cè)FPG(葡萄糖氧化酶法)、空腹胰島素(FINS)(放射免疫法)水平;采用HOMA穩(wěn)態(tài)模式評(píng)估法,計(jì)算胰島素抵抗指數(shù)(HOMA-IR)=FPG(mmol/L)×FINS(mU/L)/22.5,胰島素作用指數(shù)(IAI)=1/〔FPG(mmol/L)×FINS(mU/L)〕。研究技術(shù)路線詳見圖1。
注:IGR=糖調(diào)節(jié)受損,PAR-Q=體力活動(dòng)準(zhǔn)備問卷,F(xiàn)PG=空腹血糖,F(xiàn)INS=空腹胰島素,HOMA-IR=胰島素抵抗指數(shù),IAI=胰島素作用指數(shù)
圖1 研究技術(shù)路線圖
Figure1 Research procedure
2.1 基線資料比較 干預(yù)結(jié)束后,對(duì)照組38例(脫落9例,脫落率為19.2%)、有氧組39例(脫落9例,脫落率為18.8%)、抗阻組38例(脫落10例,脫落率為20.8%)完成本研究。各組患者性別、年齡、體質(zhì)指數(shù)(BMI)、文化程度比較,差異均無統(tǒng)計(jì)學(xué)意義(P>0.05,見表1)。
表1 各組患者一般資料比較Table 1 Comparison of baseline data among three groups
注:BMI=體質(zhì)指數(shù);a為F值
2.2 各時(shí)間觀察指標(biāo)比較 時(shí)間與運(yùn)動(dòng)方式對(duì)FPG、FINS、HOMA-IR、IAI的交互作用顯著,時(shí)間、運(yùn)動(dòng)方式對(duì)FPG、FINS、HOMA-IR、IAI的主效應(yīng)顯著(P<0.05)。
干預(yù)3個(gè)月時(shí),有氧組、抗阻組FPG低于對(duì)照組;干預(yù)6個(gè)月時(shí),有氧組、抗阻組FPG、FINS、HOMA-IR低于對(duì)照組,IAI高于對(duì)照組,抗阻組FPG低于有氧組;干預(yù)12個(gè)月時(shí),有氧組、抗阻組FPG、FINS、HOMA-IR低于對(duì)照組,IAI高于對(duì)照組,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05)。
干預(yù)3個(gè)月時(shí),有氧組、抗阻組FPG、HOMA-IR低于干預(yù)前,IAI高于干預(yù)前,抗阻組FINS低于干預(yù)前;干預(yù)6個(gè)月時(shí),有氧組、抗阻組FPG、FINS、HOMA-IR低于干預(yù)前,IAI高于干預(yù)前;干預(yù)12個(gè)月時(shí),有氧組、抗阻組FPG低于干預(yù)前,對(duì)照組、有氧組、抗阻組FINS、HOMA-IR低于干預(yù)前,IAI高于干預(yù)前,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05,見表2)。
3.1 有氧運(yùn)動(dòng)和抗阻運(yùn)動(dòng)均可降低IGR患者FPG水平 本研究顯示,干預(yù)6個(gè)月時(shí)抗阻運(yùn)動(dòng)患者FPG水平低于有氧運(yùn)動(dòng)患者,但干預(yù)12個(gè)月時(shí)兩組FPG水平無差異。說明長(zhǎng)期的抗阻運(yùn)動(dòng)與有氧運(yùn)動(dòng)均具有降低IGR患者FPG水平的作用,其中有氧運(yùn)動(dòng)對(duì)降低FPG的作用是先快后慢,即前3個(gè)月FPG水平下降明顯,之后維持在較為平穩(wěn)的狀態(tài),而抗阻運(yùn)動(dòng)較有氧運(yùn)動(dòng)對(duì)降低FPG水平的作用則更早、更快、更低,并可維持較長(zhǎng)的時(shí)間。但從長(zhǎng)遠(yuǎn)來看,兩種運(yùn)動(dòng)對(duì)降低IGR患者FPG水平的效果相似。羅曦娟等[7]對(duì)IGR患者進(jìn)行為期12周的有氧運(yùn)動(dòng)和抗阻運(yùn)動(dòng)干預(yù)發(fā)現(xiàn),有氧運(yùn)動(dòng)組FPG水平下降幅度略大于抗阻運(yùn)動(dòng)組,本研究結(jié)果與其不同。可能是由于本研究干預(yù)時(shí)間較長(zhǎng),且以集體形式組織鍛煉有關(guān)。一直以來,有氧運(yùn)動(dòng)以廣場(chǎng)舞、太極等集體鍛煉的形式被大眾廣泛接受,而抗阻運(yùn)動(dòng)一般以單人使用器械鍛煉為主,鍛煉過程枯燥,鍛煉地點(diǎn)僅限于健身房。DUNSTAN等[14]研究顯示,2型糖尿病患者通過在健身房進(jìn)行抗阻運(yùn)動(dòng)使血糖控制得到改善后,繼續(xù)進(jìn)行家庭抗阻運(yùn)動(dòng),糖化血紅蛋白(HbA1c)并未得到良好控制。因此,本研究將集體運(yùn)動(dòng)的形式引入抗阻運(yùn)動(dòng)訓(xùn)練,選用彈力繩等輕便、易攜帶、價(jià)格低廉的運(yùn)動(dòng)工具,配合音樂節(jié)奏和專業(yè)人員指導(dǎo)訓(xùn)練,取得了良好效果。長(zhǎng)期運(yùn)動(dòng)過程中,抗阻運(yùn)動(dòng)患者反饋該運(yùn)動(dòng)方式趣味性強(qiáng),有專業(yè)人員監(jiān)督和指導(dǎo)保障了運(yùn)動(dòng)期間的安全,在訓(xùn)練期間未發(fā)生不良事件,在干預(yù)期間觀察到良
表2 各組患者各時(shí)間觀察指標(biāo)比較Table 2 Comparison of observation indicators among the three groups during the observation period
注:FPG=空腹血糖,F(xiàn)INS=空腹胰島素,HOMA-IR=胰島素抵抗指數(shù),IAI=胰島素作用指數(shù);與同期對(duì)照組比較,aP<0.05;與同期有氧組比較,bP<0.05;與同組干預(yù)前比較,cP<0.05
好的效果后更加堅(jiān)定運(yùn)動(dòng)的決心,利于長(zhǎng)期堅(jiān)持。本研究將有氧運(yùn)動(dòng)和抗阻運(yùn)動(dòng)時(shí)間定于晚間(晚飯后1~2 h),可避免運(yùn)動(dòng)引起的低血糖發(fā)生,同時(shí),運(yùn)動(dòng)后肌肉對(duì)葡萄糖的攝取可持續(xù)數(shù)小時(shí),對(duì)次日FPG水平的降低更有利。本研究發(fā)現(xiàn),干預(yù)3~6個(gè)月時(shí)IGR患者FPG水平下降幅度較大,之后血糖趨于平穩(wěn),并未出現(xiàn)FPG水平持續(xù)降低的現(xiàn)象,可能是由于3~6個(gè)月的運(yùn)動(dòng)使肌肉量增加,對(duì)葡萄糖和脂質(zhì)的利用增加,使血糖降低,而機(jī)體為保持血液中血糖水平的正常,也會(huì)通過肝糖原分解及糖異生等方式來維持血糖的動(dòng)態(tài)平衡[15-16],使機(jī)體逐漸適應(yīng)運(yùn)動(dòng)帶來的改變,最終使血糖的調(diào)節(jié)功能恢復(fù)正常。
3.2 有氧運(yùn)動(dòng)和抗阻運(yùn)動(dòng)均能改善IGR患者的胰島素抵抗 本研究顯示,有氧運(yùn)動(dòng)和抗阻運(yùn)動(dòng)對(duì)IGR患者FINS、胰島素抵抗及胰島素敏感性均有改善作用。近年來相關(guān)研究已證實(shí),有氧運(yùn)動(dòng)可改善IGR患者血糖、血脂代謝、血壓、胰島素敏感性、胰島素抵抗等代謝異常狀態(tài),調(diào)節(jié)胰島β細(xì)胞的分泌功能[17-19]。本研究結(jié)果顯示,長(zhǎng)期的抗阻運(yùn)動(dòng)也可達(dá)到與有氧運(yùn)動(dòng)相似的效果。這可能因?yàn)閷?duì)平時(shí)有靜坐少動(dòng)的IGR患者進(jìn)行抗阻運(yùn)動(dòng),使其肌肉承受的負(fù)荷大于日常活動(dòng)負(fù)荷,在一定程度下,負(fù)荷越大,肌肉所受到的刺激越大,肌肉細(xì)微結(jié)構(gòu)受到破壞,為修復(fù)鍛煉過后損傷的肌肉纖維并適應(yīng)當(dāng)前的運(yùn)動(dòng)負(fù)荷,肌細(xì)胞內(nèi)各種蛋白質(zhì)被動(dòng)員起來,而該過程需要大量的糖供能,葡萄糖轉(zhuǎn)運(yùn)至骨骼肌中的過程是通過葡萄糖轉(zhuǎn)運(yùn)蛋白完成的,其中分布于肌細(xì)胞內(nèi)的葡萄糖轉(zhuǎn)運(yùn)蛋白4(GLUT4)在轉(zhuǎn)運(yùn)葡萄糖過程中起主導(dǎo)作用。抗阻運(yùn)動(dòng)可以增強(qiáng)蛋白激酶B(PKB)的表達(dá),使胰島素對(duì)GLUT4的刺激增強(qiáng),從而提高GLUT4對(duì)葡萄糖的轉(zhuǎn)運(yùn)能力[20]。有研究發(fā)現(xiàn),肌肉收縮和處于低氧或無氧狀態(tài)能夠促進(jìn)GLUT4從細(xì)胞內(nèi)轉(zhuǎn)移到細(xì)胞膜發(fā)揮其載體作用,而抗阻運(yùn)動(dòng)過程中,肌肉收縮導(dǎo)致肌肉內(nèi)部低氧,動(dòng)員GLUT4移位,從而改善胰島素抵抗。IGR患者的糖代謝特征是糖調(diào)節(jié)受損,為抑制血糖升高,胰島β細(xì)胞胰島素持續(xù)處于高分泌狀態(tài),當(dāng)這種代償作用失衡,糖尿病發(fā)生的風(fēng)險(xiǎn)增高[11]。有研究指出,肌肉體積的增加可增加血糖攝取量[21-22]??棺柽\(yùn)動(dòng)損傷再修復(fù)的過程使肌纖維增粗,肌肉量增大,更多地吸收多余血糖,減輕了胰腺大量分泌胰島素的負(fù)擔(dān),使胰島功能得以修復(fù)。因此,本研究觀察到抗阻運(yùn)動(dòng)干預(yù)后,F(xiàn)INS低于干預(yù)前,且低于對(duì)照組。而有氧運(yùn)動(dòng)是通過增強(qiáng)胰島素活性來提高肌肉對(duì)血糖的攝取,并不依賴于肌肉體積和氧容量的改變[23]。
有氧運(yùn)動(dòng)和抗阻運(yùn)動(dòng)對(duì)IGR患者的FPG、FINS、胰島素抵抗、胰島素敏感性均有明顯的改善作用,均能有效預(yù)防和延緩糖尿病前期進(jìn)展為糖尿病,值得推廣。本研究?jī)H限于桂林市,未全面涉及各個(gè)年齡段的IGR患者,且缺乏多中心合作,未來將聯(lián)合多區(qū)域、多中心進(jìn)行大樣本的長(zhǎng)期研究,以觀察有氧運(yùn)動(dòng)和抗阻運(yùn)動(dòng)干預(yù)后的維持情況及遠(yuǎn)期效果。
作者貢獻(xiàn):麻曉君、戴霞進(jìn)行文章的構(gòu)思與設(shè)計(jì)、論文的修訂,負(fù)責(zé)文章的質(zhì)量控制及審校,對(duì)文章整體負(fù)責(zé),監(jiān)督管理;麻曉君、戴霞、韋春進(jìn)行研究的實(shí)施與可行性分析;麻曉君、陸麗榮、羅祖純進(jìn)行數(shù)據(jù)收集、整理;麻曉君、韋春進(jìn)行統(tǒng)計(jì)學(xué)處理;麻曉君進(jìn)行結(jié)果的分析與解釋,撰寫論文。
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EffectsofAerobicversusResistanceExerciseonFastingPlasmaGlucoseandInsulinResistanceinPatientswithImpairedGlucoseRegulation
MAXiao-jun1,DAIXia1*,LULi-rong2,LUOZu-chun1,WEIChun3
1.DepartmentofInternalMedicine,theFirstAffiliatedHospitalofGuangxiMedicalUniversity,Nanning530021,China2.DepartmentofNursing,theFirstAffiliatedHospitalofGuangxiUniversityofChineseMedicine,Nanning530021,China3.DepartmentofScienceEducation,GuangxiMedicalUniversityNursingCollege,Nanning530021,China
*Correspondingauthor:DAIXia,Chiefsuperintendentnurse;E-mail:2655947220@qq.com
ObjectiveTo study the effects of aerobic versus resistance exercise on fasting plasma glucose(FPG) and insulin resistance in patients with impaired glucose regulation(IGR) in order to provide an evidence for preventing and delaying the progression of diabetes mellitus.MethodsFrom June to August 2015,143 IGR patients who were managed for a long time by Diecai,Nanmen and Xiufeng Community Health Service Center in Guilin were selected and divided into the control group(n=47),aerobic group(n=48),and resistance group(n=48) based on the random number table.Patients in the control group,aerobic group and resistance group were respectively treated with one follow-up every 3 months without other intervention measures,50-min moderate intensity aerobic exercise(rhythmic exercise,fit aerobics and so on),once every other day,50-min moderate intensity resistance exercise(mainly training lumbar and abdominal muscles,leg and hip muscles,and upper limb muscles via using elastic rope to complete the assigned actions with 60%-70% of one repetition maximum ),once every other day,respectively.The FPG and fasting insulin(FINS) of the participants were measured before intervention,at the end of third,sixth and 12th months of intervention,respectively.The homeostatic model assessment of insulin resistance index(HOMA-IR) and insulin action index(IAI) were calculated.ResultsThirty-eight patients in the control group,39 in the aerobic group and 38 in the resistance group completed the intervention.Intervention duration and mode exerted significant interaction on the FPG,FINS,HOMA-IR and IAI values(P<0.05),and they had obvious main effect on FPG,FINS,HOMA-IR and IAI values(P<0.05).When the third month of intervention ended,FPG values in the aerobic and resistance groups were lower than in the control group(P<0.05);FPG and HOMA-IR values decreased but IAI increased in both the aerobic and resistance groups compared with those before intervention(P<0.05).At the end of the sixth month of intervention,compared with the control group,both aerobic and resistance groups had lower FPG and FINS and HOMA-IR values but higher IAI(P<0.05);the resistance group had lower FPG values than aerobic group(P<0.05);FPG,FINS and HOMA-IR values declined while IAI increased in both the aerobic and resistance groups compared with those before intervention(P<0.05).At the conclusion of the 12th month of intervention,both aerobic and resistance groups had lower FPG and FINS and HOMA-IR values but higher IAI than the control group did(P<0.05);FPG values dropped in both the aerobic and resistance groups(P<0.05);FINS and HOMA-IR values lowered but IAI rose in all groups compared with those before intervention(P<0.05).ConclusionBoth aerobic and resistance exercise produce similar effects on significantly improving the FPG and FINS levels and insulin resistance and sensitivity in patients with IGR.
Prediabetic state;Aerobic exercise;Resistance training;Blood glucose;Insulin resistance
R 587.1
A
10.3969/j.issn.1007-9572.2017.29.002
2016-11-03;
2017-03-24)
(本文編輯:吳立波)
廣西醫(yī)療衛(wèi)生適宜技術(shù)研究與開發(fā)課題項(xiàng)目(S201413-03);廣西研究生教育創(chuàng)新計(jì)劃項(xiàng)目(YCSZ2015111)
1.530021廣西南寧市,廣西醫(yī)科大學(xué)第一附屬醫(yī)院內(nèi)科
2.530021廣西南寧市,廣西中醫(yī)藥大學(xué)第一附屬醫(yī)院護(hù)理部
3.530021廣西南寧市,廣西醫(yī)科大學(xué)護(hù)理學(xué)院科教科
*通信作者:戴霞,主任護(hù)師;E-mail:2655947220@qq.com
麻曉君,戴霞,陸麗榮,等.有氧運(yùn)動(dòng)和抗阻運(yùn)動(dòng)對(duì)糖調(diào)節(jié)受損患者空腹血糖及胰島素抵抗的影響研究[J].中國(guó)全科醫(yī)學(xué),2017,20(29):3584-3589.[www.chinagp.net]
MA X J,DAI X,LU L R,et al.Effects of aerobic versus resistance exercise on fasting plasma glucose and insulin resistance in patients with impaired glucose regulation[J].Chinese General Practice,2017,20(29):3584-3589.