張友琴,谷成曉,范潔
(南京軍區(qū)杭州療養(yǎng)院直屬院區(qū),浙江 杭州 310007)
基于計(jì)步器的運(yùn)動(dòng)管理對(duì)2型糖尿病患者糖脂代謝的影響
張友琴,谷成曉,范潔
(南京軍區(qū)杭州療養(yǎng)院直屬院區(qū),浙江 杭州 310007)
目的 探討以電子計(jì)步器為基礎(chǔ)的運(yùn)動(dòng)管理對(duì)2型糖尿病(T2DM)患者運(yùn)動(dòng)血糖以及血脂的影響。方法選擇2012-2015年在本院接受體檢、療養(yǎng)和治療的80例T2DM患者作為研究對(duì)象,采用隨機(jī)數(shù)字表法將其隨機(jī)分為干預(yù)組和對(duì)照組,每組40例。對(duì)照組采取常規(guī)糖尿病管理策略,干預(yù)組在常規(guī)治療的基礎(chǔ)上配發(fā)電子計(jì)步器,經(jīng)過2周的適應(yīng)后,要求患者晚餐后進(jìn)行3 000~4 000步/30~40 min的運(yùn)動(dòng),運(yùn)動(dòng)頻率每周不少于5 d。12周后比較兩組患者的糖脂代謝指標(biāo)的變化并進(jìn)行統(tǒng)計(jì)學(xué)分析。結(jié)果干預(yù)組中有3例患者未能完成試驗(yàn),與對(duì)照組比較,其余37例患者空腹血糖[(7.5±0.7)mmol/L vs(7.1±0.6)mmol/L)]、空腹C肽[(2.5±1.0)ng/mL vs(1.9±1.1)ng/mL]、空腹胰島素[(13.3±2.2)mU/L vs(11.1±2.6)mU/L]、糖化血紅蛋白[(7.5±0.7)%vs(7.0±0.8)%]、2 h血糖[(10.5±2.2)mmol/L vs (7.0±0.8)mmol/L]及胰島素抵抗指數(shù)[(3.9±2.6)vs(2.3±2.1)]均有顯著改善,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05);干預(yù)組低密度脂蛋白膽固醇為(2.6±1.0)mmol/L,較對(duì)照組的(3.1±0.9)mmol/L明顯降低,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。結(jié)論基于電子計(jì)步器的運(yùn)動(dòng)干預(yù)可以明顯提高T2DM患者的運(yùn)動(dòng)主動(dòng)性及依從性,且能夠不同程度的改善糖脂代謝,值得進(jìn)一步推廣。
電子計(jì)步器;2型糖尿??;糖代謝;脂代謝;運(yùn)動(dòng)
隨著新型降糖藥物(GLP-1類似物、DPP-4抑制劑)和手術(shù)治療糖尿病(可調(diào)節(jié)胃束帶術(shù)、胃袖狀切除術(shù)[1-2])的快速進(jìn)展,臨床醫(yī)生和糖尿病患者都有了更多的選擇。但生活方式干預(yù)特別是運(yùn)動(dòng)依然是糖尿病治療的基石。多項(xiàng)研究均表明運(yùn)動(dòng)對(duì)改善糖尿病患者的糖代謝、脂代謝以及生活質(zhì)量均有積極的作用[3-4]。但是糖尿病患者的運(yùn)動(dòng)管理一直是我們面臨的問題,一方面患者運(yùn)動(dòng)依從性較差,往往不能遵守醫(yī)生提出的運(yùn)動(dòng)建議。另一方面臨床醫(yī)生在開據(jù)運(yùn)動(dòng)處方時(shí)對(duì)運(yùn)動(dòng)方式、強(qiáng)度、頻率、持續(xù)時(shí)間也很難把握。因此,探索一種簡(jiǎn)單且有效的運(yùn)動(dòng)方式和管理模式對(duì)糖尿病患者和醫(yī)生均具有重要的意義。本院作為全軍健康管理中心在慢病患者的運(yùn)動(dòng)管理方面也進(jìn)行了積極的探索。本研究在步行這一被糖尿病患者普遍接受的運(yùn)動(dòng)方式基礎(chǔ)上,利用計(jì)步器這一簡(jiǎn)單、廉價(jià)的運(yùn)動(dòng)管理工具對(duì)糖尿病患者進(jìn)行運(yùn)動(dòng)管理,以探討基于計(jì)步器的綜合運(yùn)動(dòng)管理模式對(duì)2型糖尿病(T2DM)患者血糖、血脂的影響。
1.1 一般資料 選擇2012-2015年在本院接受體檢、療養(yǎng)和治療的80例T2DM患者作為研究對(duì)象,其糖尿病的診斷均符合1999年世界衛(wèi)生組織(WHO)的糖尿病診斷標(biāo)準(zhǔn)。入選標(biāo)準(zhǔn):(1)診斷T2DM時(shí)間超過1年;(2)未接受胰島素治療;(3)沒有影響運(yùn)動(dòng)的疾病;(4)未參加其他臨床試驗(yàn)。
1.2 方法 采用隨機(jī)數(shù)字表法將80例受試者隨機(jī)分為計(jì)步器組(干預(yù)組)和對(duì)照組,每組40例。對(duì)照組維持原有的治療方案,干預(yù)組則在其原有治療方案的基礎(chǔ)上配發(fā)歐姆龍HJ-325-B電子計(jì)步器,利用1周的時(shí)間學(xué)習(xí)計(jì)步器的使用,試驗(yàn)開始后鼓勵(lì)受試者快走,晚餐后需要進(jìn)行3 000~4 000步/30~40 min的運(yùn)動(dòng)。達(dá)到上述有效運(yùn)動(dòng)強(qiáng)度的頻率每周不低于5 d。要求受試者每天記錄運(yùn)動(dòng)日記,每周電話隨訪一次對(duì)受試者運(yùn)動(dòng)量及強(qiáng)度進(jìn)行監(jiān)督,解答受試者提出的相關(guān)問題。
分別于試驗(yàn)開始前及開始后12周采集受試者空腹靜脈血,檢測(cè)兩組空腹血糖(FPG)、空腹C肽(FC-P)、空腹胰島素(FINS)、糖化血紅蛋白(HbA1c)、總膽固醇(TC)、甘油三酯(TG)、高密度脂蛋白膽固醇(HDL-C)、低密度脂蛋白膽固醇(LDL-C);然后囑患者口服75 g葡萄糖溶于250 mL水的糖溶液,從服用第一口開始計(jì)時(shí),2 h后采集兩組受試者空腹靜脈血,檢測(cè)糖負(fù)荷后2小時(shí)血糖(2 hPG)、餐后2小時(shí)C肽(2 hC-P)、2小時(shí)胰島素(2 hINS)。胰島素抵抗指數(shù)(HOMA-IR)=[FINS (mU/L)×FPG(mmol/L)]/22.5。
1.3 統(tǒng)計(jì)學(xué)方法 應(yīng)用SPSSl8.0統(tǒng)計(jì)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(±s)表示,兩樣本均數(shù)比較采用t檢驗(yàn),計(jì)數(shù)資料比較采用χ2檢驗(yàn),以P<0.05為差異有統(tǒng)計(jì)學(xué)意義。
2.1 一般臨床特征 40例干預(yù)組患者平均年齡為(59.1±5.5)歲,其中男性26例,女性14例;平均BMI為(24.8±3.8)kg/m2,平均糖尿病病程為(6.4±3.1)年;15.0%患者合并高血壓病,12.5%合并血脂異常。40例對(duì)照組患者平均年齡為(58.1±7.1)歲,其中男性22例,女性18例;平均BMI為(24.4±3.7)kg/m2,平均糖尿病病程為(5.2±2.6)年;20.0%患者合并高血壓病,12.5%合并血脂異常。兩組年齡、性別及BMI差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05)。干預(yù)組中有3例患者未能完成12周的試驗(yàn)。
2.2 干預(yù)前后兩組患者的糖脂代謝指標(biāo)比較 干預(yù)組干預(yù)12周后,與干預(yù)前比較,F(xiàn)PG、FC-P、FINS、2 hPG、HbA1c、HOMA-IR、LDL-C、HDL-C均有不同程度的改善,差異有統(tǒng)計(jì)學(xué)意義(P<0.05),而2 hC-P、2 hINS、TC、TG差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05)。對(duì)照組12周時(shí)上述糖代謝指標(biāo)均無(wú)顯著改善。兩組12周時(shí)FPG、FC-P、FINS、HbA1c、2 hPG、HOMA-IR、LDL-C比較有統(tǒng)計(jì)學(xué)意義(P<0.05),而其他脂代謝指標(biāo)比較差異均無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05),見表1。
表1 干預(yù)前后兩組患者的糖脂代謝指標(biāo)比較(±s)
表1 干預(yù)前后兩組患者的糖脂代謝指標(biāo)比較(±s)
注:兩組干預(yù)后比較,aP<0.05。
組別 例數(shù)FPG (mmol/L) FC-P (ng/mL) FINS (mU/L) 2 hPG (mmol/L) 2 hC-P (ng/mL) 2 hINS (mU/L) HbA1c (%) HOMA-IR TC (mmol/L) LDL-C (mmol/L) HDL-C (mmol/L)干預(yù)組干預(yù)前干預(yù)12周t值P值對(duì)照組干預(yù)前干預(yù)12周t值P值40 37 7.6±0.7 7.1±0.6a-3.642 0.001 2.8±1.0 1.9±1.1a-3.091 0.003 13.1±4.1 11.1±2.6a-2.669 0.009 10.8±2.0 9.0±3.1a-2.929 0.005 7.3±3.3 7.0±3.0 -0.387 0.700 51.3±13.9 50.3±11.2 -0.331 0.741 7.6±0.6 7.0±0.8a-3.022 0.003 3.6±2.7 2.3±2.1a-2.321 0.023 5.1±1.0 5.0±1.1 -0.528 0.559 3.4±0.8 2.6±1.0a-3.328 0.001 1.2±0.2 1.3±0.2 3.022 0.004 40 40 7.7±0.7 7.5±0.7a-0.713 0.478 2.6±1.1 2.5±1.0a0.813 0.419 12.7±2.8 13.3±2.2a-1.576 0.120 10.2±1.9 10.5±2.2a-0.178 0.860 7.9±3.7 7.4±3.3 -1.113 0.270 55.8±15.7 55.6±13.7 -0.787 0.435 7.3±0.9 7.5±0.7a-1.091 0.280 3.2±2.4 3.9±2.6a-0.998 0.322 5.0±1.0 5.1±1.3 -0.596 0.551 3.0±1.0 3.1±0.9a-0.213 0.832 1.3±0.3 1.2±0.4 -1.475 0.145
運(yùn)動(dòng)管理是T2DM整個(gè)治療的基礎(chǔ),但由于我國(guó)經(jīng)濟(jì)和醫(yī)療資源分布的不平衡,絕大多數(shù)T2DM患者很難得到基于康復(fù)中心“精準(zhǔn)”的運(yùn)動(dòng)管理。與其他運(yùn)動(dòng)方式相比,步行是最普遍、最主要的運(yùn)動(dòng)方式之一[5],并且多數(shù)患者不愿改變現(xiàn)有的運(yùn)動(dòng)方式[6]。因此,如何讓T2DM患者能夠從步行中獲益也是我們?cè)诼」芾磉^程中一直思考的問題。在下達(dá)運(yùn)動(dòng)醫(yī)囑時(shí),多數(shù)醫(yī)生很難將運(yùn)動(dòng)醫(yī)囑進(jìn)行量化(步數(shù)、步幅)。計(jì)步器的引入,則便于將步行的量和強(qiáng)度進(jìn)行量化,醫(yī)生和T2DM患者都可以非常方便的獲得步行的運(yùn)動(dòng)強(qiáng)度、時(shí)間、頻率等信息。根據(jù)這些信息,醫(yī)生或者患者可以設(shè)置個(gè)性化、精準(zhǔn)的運(yùn)動(dòng)目標(biāo)。如果設(shè)定的目標(biāo)比較合理,則可以對(duì)T2DM患者產(chǎn)生激勵(lì),從而大大提高患者進(jìn)行運(yùn)動(dòng)的主動(dòng)性和依從性。本研究中干預(yù)組除3例(7.5%)未能完成為期12周的臨床研究外,其他受試者均能遵守試驗(yàn)設(shè)計(jì)的要求,并且獲得了不同程度糖脂代謝的改善。
從運(yùn)動(dòng)方式上來說,步行應(yīng)該屬于中/低強(qiáng)度的有氧運(yùn)動(dòng)。有研究顯示隨著運(yùn)動(dòng)強(qiáng)度的增加,患者可以獲得更為長(zhǎng)久的胰島素反應(yīng)和血脂改善[7]。但是也有一些研究顯示HbA1c下降更多的是依賴運(yùn)動(dòng)頻率而非運(yùn)動(dòng)強(qiáng)度[8]。最近的一項(xiàng)系統(tǒng)回顧顯示運(yùn)動(dòng)的量和頻率比運(yùn)動(dòng)方式和強(qiáng)度更利于血糖的控制[9]。在本研究中,干預(yù)組的患者經(jīng)過2~3周的適應(yīng)后,每周晚餐后進(jìn)行3 000~4 000步/30~40 min的運(yùn)動(dòng)天數(shù)不少于5 d,平均步速約為100步/min。多數(shù)受試者可以耐受上述運(yùn)動(dòng)強(qiáng)度且能夠達(dá)到指南推薦的運(yùn)動(dòng)量和時(shí)間。
規(guī)律長(zhǎng)期的運(yùn)動(dòng)可以增加GLUT4的表達(dá),從而提高胰島素的敏感性,改善胰島素抵抗[10]。本研究中,經(jīng)過12周的干預(yù),受試者糖代謝指標(biāo)均有不同程度的改善,干預(yù)組HbA1c較干預(yù)前下降了0.6%,該結(jié)果與一項(xiàng)關(guān)于有氧運(yùn)動(dòng)對(duì)血糖影響的系統(tǒng)回顧類似(0.73%)[11]。運(yùn)動(dòng)對(duì)T2DM患者脂代謝的影響更為復(fù)雜,與運(yùn)動(dòng)方式及強(qiáng)度關(guān)系更為密切。Costa等[12]研究發(fā)現(xiàn)阻抗運(yùn)動(dòng)可以顯著降低TC和LDL-C的水平,升高HDL-C的水平。而有氧運(yùn)動(dòng)對(duì)血脂則有不同的影響,一項(xiàng)薈萃分析顯示有氧運(yùn)動(dòng)對(duì)降低LDL-C更為有效,但改善TC、TG及HDL-C的作用則非常有限[13]。美國(guó)運(yùn)動(dòng)醫(yī)學(xué)學(xué)院與ADA聯(lián)合發(fā)布的運(yùn)動(dòng)指南中也強(qiáng)調(diào)運(yùn)動(dòng)療法改善LDL-C的效果要優(yōu)于TC、TG及HDL-C[14]。本研究也得到了類似的結(jié)果,干預(yù)12周后干預(yù)組的平均LDL-C下降了0.8 mmol/L,而TC、TG及HDL-C則無(wú)顯著改善。
綜上所述,雖然目前降糖藥及調(diào)脂藥物進(jìn)展比較快,但生活方式干預(yù)特別是運(yùn)動(dòng)管理依然是T2DM治療的基礎(chǔ)。本研究以電子計(jì)步器作為運(yùn)動(dòng)管理的基礎(chǔ),發(fā)現(xiàn)可以顯著改善T2DM患者的糖脂代謝,值得進(jìn)一步的推廣。
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Effect of pedometer-based exercise intervention on glucose and lipid metabolism in patients with type 2 diabetes.
ZHANG You-qin,GU Cheng-xiao,FAN Jie.Affiliated Hospital of Hangzhou Sanatorium of Nanjing Military Command Region,Hangzhou 310007,Zhejiang,CHINA
ObjectiveTo investigate the effect of pedometer-based exercise intervention on glucose and lipid metabolism in patients with type 2 diabetes mellitus(T2DM).MethodsEighty patients with T2DM received physical examination,nursing and treatment in our hospital from 2012 to 2015 were selected as research subjects and randomly divided into the intervention group and control group,with 40 patients in each group.The control group received conventional diabetes management strategy.The intervention group was allotted electronic pedometer based on routine treatment.After two weeks of adaptation,the patients were required to perform 3000~4000 steps/30~40 minutes of exercise after dinner,and exercise frequency was not less than five days a week.Changes of glucose and lipid metabolism in two groups were compared and analyzed after 12 weeks.ResultsThree patients in the intervention group failed to complete the test.Compared with the control group,the fasting plasma glucose[(7.5±0.7)mmol/L vs(7.1±0.6)mmol/L],fasting C-peptide[(2.5±1.0)ng/mL vs(1.9±1.1)ng/mL],fasting insulin[(13.3±2.2)mU/L vs(11.1±2.6)mU/L],glycated haemoglobin[(7.5±0.7)%vs(7.0±0.8)%],2-hour post-load plasma glucose[(10.5±2.2)mmol/L vs(7.0±0.8)mmol/L],and insulin resistance index[(3.9±2.6)vs(2.3±2.1)]of the remaining 37 patients were significantly improved,and the differences were statistically significant(P<0.05).The low-density lipoprotein cholesterol in intervention group was significantly lower than that in the control group[(2.6±1.0)mmol/L vs(3.1±0.9)mmol/L,P<0.05].ConclusionPedometer-based exercise intervention can significantly improve exercise initiative,compliance,as well as glucose and lipid metabolism in T2DM patients.It is worthy of further promotion.
Electronic pedometer;Type 2 diabetes mellitus;Glucose metabolism;Lipid metabolism;Exercise
R587.1
A
1003—6350(2016)11—1789—03
10.3969/j.issn.1003-6350.2016.11.022
2015-07-30)
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