[摘要]"目的"探討補充乳清蛋白對合并糖尿病的腦卒中相關(guān)肌少癥患者康復(fù)療效的影響。方法"選取2021年1月至2023年9月于溫州醫(yī)科大學(xué)附屬第一醫(yī)院住院的合并糖尿病的腦卒中相關(guān)肌少癥患者47例,根據(jù)隨機數(shù)字表法將其分為觀察組(24例)和對照組(23例)。兩組患者均給予正常糖尿病飲食、常規(guī)藥物治療和康復(fù)訓(xùn)練,觀察組患者在此基礎(chǔ)上每日口服乳清蛋白粉,共4周。比較兩組患者干預(yù)前后非偏癱側(cè)手握力、四肢骨骼肌質(zhì)量指數(shù)(appendicular"skeletal"muscle"mass"index,ASMI)、改良Barthel指數(shù)(modified"Barthel"index,MBI)、Fugl-Meyer評定量表(Fugl-Meyer"assessment,F(xiàn)MA)、微型營養(yǎng)評定簡表(mini-nutritional"assessment"short-form,MNA-SF)、血清白蛋白(albumin,Alb)、C反應(yīng)蛋白(C-reactive"protein,CRP)。結(jié)果"干預(yù)后,兩組患者的握力、ASMI、FMA、MBI均顯著高于本組干預(yù)前,CRP水平顯著低于本組干預(yù)前(Plt;0.05),且觀察組患者的握力、ASMI、FMA、MBI、MNA-SF評分及Alb均顯著高于對照組,CRP顯著低于對照組(Plt;0.05);患者的ASMI與Alb、MNA-SF評分、握力均呈正相關(guān)(Plt;0.05),CRP與Alb、MNA-SF評分、ASMI均呈負相關(guān)(Plt;0.05)。結(jié)論"補充乳清蛋白可改善合并糖尿病的腦卒中相關(guān)肌少癥患者的營養(yǎng)狀況、肌力及肌量,提高患者軀體運動功能及日常生活活動能力。
[關(guān)鍵詞]"肌少癥;乳清蛋白;營養(yǎng)干預(yù);腦卒中;糖尿病
[中圖分類號]"R743.3;R685""""""[文獻標識碼]"A""""[DOI]"10.3969/j.issn.1673-9701.2024.22.007
Effect"of"whey"protein"supplementation"on"stroke-related"sarcopenia"in"patients"with"diabetes"mellitus
SU"Lili,"FANG"Xiaoyang,"LIN"Ling,"LI"Haiyan
Department"of"Rehabilitation,"the"First"Affiliated"Hospital"of"Wenzhou"Medical"University,"Wenzhou"325000,"Zhejiang,"China
[Abstract]"Objective"To"investigate"the"effect"of"whey"protein"supplementation"on"rehabilitation"of"stroke-related"sarcopenia"patients"with"diabetes"mellitus."Methods"Forty-seven"stroke-related"sarcopenia"patients"with"diabetes"mellitus"admitted"to"the"First"Affiliatednbsp;Hospital"of"Wenzhou"Medical"University"from"January"2021"to"September"2023"were"selected"and"divided"into"observation"group"(24"cases)"and"control"group"(23"cases)"according"to"random"number"table"method."Patients"in"both"groups"were"given"normal"diabetic"diet,"conventional"drug"therapy"and"rehabilitation"training,"and"patients"in"observation"group"were"given"whey"protein"powder"orally"every"day"for"4"weeks."The"non-hemiplegic"hand"grip"strength,"appendicular"skeletal"muscle"mass"index"(ASMI),"modified"Barthel"index"(MBI),"Fugl-Meyer"assessment"(FMA),"mini-nutritional"assessment"short-form"(MNA-SF),"serum"albumin"(Alb),nbsp;C-reactive"protein"(CRP)"were"compared"between"two"groups"before"and"after"intervention."Results"After"intervention,"the"grip"strength,"ASMI,"FMA,"MBI"of"two"groups"were"significantly"higher"than"before"ntervention,"and"CRP"level"was"significantly"lower"than"before"intervention"(Plt;0.05)."The"grip"strength,"ASMI,"FMA,"MBI,"MNA-SF"score"and"Alb"of"observation"group"were"significantly"higher"than"those"of"control"group,"while"CRP"was"significantly"lower"than"that"of"control"group"(Plt;0.05)."ASMI"was"positively"correlated"with"Alb,"MNA-SF"score"and"grip"strength"(Plt;0.05),"while"CRP"was"negatively"correlated"with"Alb,"MNA-SF"score"and"ASMI"(Plt;0.05)."Conclusion"Supplementation"of"whey"protein"can"improve"the"nutritional"status,"muscle"strength"and"muscle"mass"of"patients"with"stroke-related"sarcopenia"complicated"with"diabetes"mellitus,"and"improve"the"physical"motor"function"and"the"ability"of"daily"living.
[Key"words]"Sarcopenia;"Whey"protein;"Nutritional"intervention;"Stroke;"Diabetes"mellitus
肌少癥是全身骨骼肌質(zhì)量、功能迅速喪失的進行性疾病,可增加患者跌倒、功能下降、衰弱和死亡等不良事件的發(fā)生率[1-2]。肌少癥評估涉及四肢骨骼肌質(zhì)量、肌肉力量和軀體功能3個相關(guān)因素[3-4]。肌少癥可分原發(fā)性和繼發(fā)性,繼發(fā)性與活動減少、失神經(jīng)支配、炎癥反應(yīng)、營養(yǎng)不良、胰島素抵抗等相關(guān)[5-6]。研究表明約30%的糖尿病患者合并肌少癥[7]。肌少癥作為糖尿病的一種并發(fā)癥,不僅降低患者的生活質(zhì)量,還可加速糖尿病進程[8-9]。一項系統(tǒng)回顧顯示,約1/2的腦卒中患者患有肌少癥,可能與腦卒中后失神經(jīng)支配、炎癥、進食障礙引起的營養(yǎng)不良等相關(guān),肌少癥增加患者跌倒風(fēng)險、胰島素抵抗等,妨礙軀體功能恢復(fù)[10-12]。研究證實改善肌少癥有利于腦卒中后的功能恢復(fù)[13]。腦卒中患者常存在營養(yǎng)惡化風(fēng)險,且伴有糖尿病等慢性病者營養(yǎng)消耗更大。本研究旨在探討補充乳清蛋白對合并糖尿病的腦卒中相關(guān)肌少癥患者康復(fù)的影響。
1""資料與方法
1.1""一般資料
選取2021年1月至2023年9月于溫州醫(yī)科大學(xué)附屬第一醫(yī)院住院的合并糖尿病的腦卒中相關(guān)肌少癥患者47例。納入標準:①符合腦卒中診斷標準[14]:首診為腦梗死或腦出血,經(jīng)顱腦CT或磁共振成像確診;②確診為糖尿病[15];③符合肌少癥診斷標準[3];即優(yōu)勢手(或非偏癱側(cè)手)握力男性lt;28kg,女性lt;18kg,四肢骨骼肌質(zhì)量指數(shù)(appendicular"skeletal"muscle"mass"index,ASMI)男性lt;7kg/m2,女性lt;5.4kg/m2;④微型營養(yǎng)評定簡表(mini-nutritional"assessment"short-form,MNA-SF)8~11分[16];⑤生命體征穩(wěn)定,能配合本研究。排除標準:①無論有無幫助均不能從床上坐起;②無法溝通或無法理解研究目的;③無法高蛋白飲食者;④合并心、肝、腎功能不全、慢性阻塞性肺疾病、壓瘡等;⑤有精神疾病史。根據(jù)隨機數(shù)字表法將其分為觀察組(24例)和對照組(23例)。兩組患者的一般資料比較差異均無統(tǒng)計學(xué)意義(Pgt;0.05),具有可比性,見表1。本研究經(jīng)溫州醫(yī)科大學(xué)附屬第一醫(yī)院倫理委員會審批通過(倫理審批號:KY2021-187),所有患者均簽署知情同意書。
1.2""方法
兩組患者均接受常規(guī)藥物治療和康復(fù)訓(xùn)練,正常糖尿病飲食,共4周。觀察組患者在此基礎(chǔ)上每日口服浙江海力生乳清蛋白粉0.5g/kg,共4周。該乳清蛋白粉凈含量320g,每100g含80.1g蛋白質(zhì)、6.1g脂肪、8.6g碳水化合物及400mg鈉,熱量1734kJ。
1.3""評價指標
①肌肉力量:F-WLJ握力計測量優(yōu)勢手握力,重復(fù)2次,取平均值。②肌肉質(zhì)量:采用美國GE"Health"Care公司的Lunar"Prodigy"Advance雙能X線骨密度儀測量四肢肌肉質(zhì)量,以ASMI表示。③日常生活活動能力:采用改良Barthel指數(shù)(modified"Barthel"index,MBI)評估,評分與日常生活活動能力呈正相關(guān)。④軀體運動功能:采用Fugl-Meyer評定量表(Fugl-Meyer"assessment,F(xiàn)MA)對患者軀體運動功能進行評估,評分與軀體運動功能呈正相關(guān)。⑤營養(yǎng)水平:MNA-SF評估患者的營養(yǎng)狀況,總計14分,分值與營養(yǎng)狀況呈正相關(guān)。營養(yǎng)不良時血清白蛋白(albumin,Alb)不同程度降低,輕度營養(yǎng)不良Alb"28~34g/L,中度營養(yǎng)不良Alb"21~27g/L;重度營養(yǎng)不良Alblt;21g/L[17]。⑥C反應(yīng)蛋白(C-reactive"protein,CRP):高水平CRP增加肌肉量丟失風(fēng)險[18]。
1.4""統(tǒng)計學(xué)方法
采用SPSS"20.0統(tǒng)計軟件對數(shù)據(jù)進行分析。經(jīng)S-W正態(tài)性檢驗后,計量資料符合正態(tài)分布的以均數(shù)±標準差()表示,組間比較采用獨立樣本t檢驗,組內(nèi)比較采用配對樣本t檢驗,不符合正態(tài)分布的以中位數(shù)(四分位數(shù)間距)[M(Q1,Q3)]表示,比較采用秩和檢驗;計數(shù)資料以例數(shù)(百分率)[n(%)]表示,組間比較采用χ2檢驗。相關(guān)性分析采用Pearson或Spearman相關(guān)性方法。Plt;0.05為差異有統(tǒng)計學(xué)意義。
2""結(jié)果
2.1""兩組患者干預(yù)前后的握力、ASMI、FMA、MBI比較
干預(yù)前,兩組患者的握力、ASMI、FMA及MBI比較差異均無統(tǒng)計學(xué)意義(Pgt;0.05);干預(yù)4周后,兩組患者的握力、ASMI、FMA及MBI均顯著高于本組干預(yù)前(Plt;0.05),且觀察組患者的上述指標均顯著高于對照組(Plt;0.05),見表2。
2.2""兩組患者干預(yù)前后的MNA-SF評分、Alb、CRP比較
干預(yù)前,兩組患者的MNA-SF評分、Alb和CRP水平比較差異均無統(tǒng)計學(xué)意義(Pgt;0.05)。干預(yù)4周后,兩組患者的CRP水平顯著低于本組干預(yù)前(Plt;0.05),觀察組患者的MNA-SF評分、Alb顯著高于干預(yù)前(Plt;0.05),對照組患者的MNA-SF評分、Alb干預(yù)前后差異無統(tǒng)計學(xué)意義(Pgt;0.05);觀察組患者的MNA-SF評分和Alb水平均顯著高于對照組,CRP顯著低于對照組(Plt;0.05),見表3。
2.3""相關(guān)性分析
患者的ASMI與Alb、MNA-SF評分、握力均呈正相關(guān)(r=0.425、0.333、0.558,Plt;0.05),CRP與Alb、MNA-SF評分、ASMI均呈負相關(guān)(r=–0.581、–0.488、–0.478,Plt;0.05)。
3""討論
腦卒中后營養(yǎng)不良的發(fā)生率可達65%[19-20]。營養(yǎng)不良患者更易發(fā)生肌少癥。良好的營養(yǎng)保障與腦卒中后更好地大腦重塑有關(guān),是獲得最佳康復(fù)療效的基礎(chǔ)[21]。糖尿病患者常因營養(yǎng)不良導(dǎo)致肌少癥,攝入充足的蛋白質(zhì)和維生素可預(yù)防糖尿病相關(guān)肌少癥[22-23]。充足的優(yōu)質(zhì)蛋白質(zhì)(如乳清蛋白)攝入對增加肌量至關(guān)重要,可預(yù)防肌少癥[24]。
本研究結(jié)果顯示,干預(yù)4周后,兩組患者的優(yōu)勢手握力、ASMI、FMA及MBI均改善,且觀察組優(yōu)于對照組,提示補充乳清蛋白后,患者的肌力、肌量、軀體運動功能及日常生活活動能力改善更加明顯。分析原因:①營養(yǎng)水平提高:本研究結(jié)果顯示,觀察組患者的Alb水平和MNA-SF評分均優(yōu)于對照組,且ASMI與Alb、MNA-SF評分及握力均呈正相關(guān)。Alb是評價營養(yǎng)狀態(tài)的重要指標。人體肌肉質(zhì)量受肌肉蛋白合成和肌肉蛋白分解的動態(tài)調(diào)節(jié),當(dāng)肌肉蛋白合成降低而肌肉蛋白分解增加時,肌量減少出現(xiàn)肌少癥,同時肌纖維的減少伴隨運動神經(jīng)元數(shù)量的減少,導(dǎo)致肌力下降[25]。合并糖尿病的腦卒中相關(guān)肌少癥患者因各種原因易發(fā)生營養(yǎng)不良,而蛋白質(zhì)等營養(yǎng)攝入不足及抗阻運動減少造成肌肉蛋白合成刺激減弱,引起蛋白質(zhì)合成代謝抵抗,蛋白質(zhì)嚴重不足導(dǎo)致肌肉蛋白負平衡狀態(tài),引起肌量和肌力下降[26]。補充乳清蛋白可提高患者的營養(yǎng)水平,并產(chǎn)生蛋白質(zhì)合成代謝刺激,從而糾正肌肉蛋白合成和肌肉蛋白分解間的負平衡狀態(tài),改善患者的肌力和肌量[27]。研究表明攝入富含蛋白質(zhì)的營養(yǎng)物質(zhì)不僅可使老年人更好地完成與力量和肌肉耐力相關(guān)的軀體任務(wù),同時也能改善日常生活活動能力[28-29]。②炎癥反應(yīng)減輕:本研究結(jié)果表明,經(jīng)4周干預(yù)后,觀察組患者的CRP較對照組明顯降低,且CRP與Alb、MNA-SF評分及ASMI均呈負相關(guān),提示營養(yǎng)水平提高可降低炎癥反應(yīng)水平,而炎癥反應(yīng)減輕可促使肌量增加。炎癥反應(yīng)可導(dǎo)致
衛(wèi)星細胞生成減少,而衛(wèi)星細胞的分化在肌肉修復(fù)再生、增加或維持肌肉質(zhì)量方面至關(guān)重要,因此CRP等炎癥因子的增加可導(dǎo)致肌肉組織退化,肌量減少[30]。一項薈萃分析顯示CRP水平與肌力呈負相關(guān),且高水平CRP與軀體功能下降也存在相關(guān)性[31]。Griffen等[32]指出,抗阻運動結(jié)合乳清蛋白可降低老年男性全身炎癥標志物,改善肌力及軀體功能。多項研究表明,運動結(jié)合充足蛋白質(zhì)攝入對老年人促炎和抗炎標志物的平衡起著關(guān)鍵作用[33-34]。因此,補充乳清蛋白可降低合并糖尿病的腦卒中相關(guān)肌少癥患者的炎癥反應(yīng),從而改善患者的肌量、肌力及軀體運動功能。
綜上所述,補充乳清蛋白可改善合并糖尿病的腦卒中相關(guān)肌少癥患者的肌力和肌量,提高患者的軀體運動功能及日常生活活動能力,對患者的康復(fù)具有一定促進作用。
利益沖突:所有作者均聲明不存在利益沖突。
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(收稿日期:2024–03–11)
(修回日期:2024–07–02)
Informatics"and"Health征稿啟事
Informatics"and"Health(《信息學(xué)與健康》)是由中國醫(yī)學(xué)科學(xué)院北京協(xié)和醫(yī)學(xué)院主辦,中國醫(yī)學(xué)科學(xué)院醫(yī)學(xué)信息研究所與科愛公司合作編輯出版,旨在反映醫(yī)學(xué)衛(wèi)生健康領(lǐng)域與信息科學(xué)技術(shù)相關(guān)的前沿學(xué)術(shù)研究進展的英文期刊(ISSN:2949-9534),本刊由中國工程院院士、中國醫(yī)學(xué)科學(xué)院北京協(xié)和醫(yī)學(xué)院院校長王辰教授擔(dān)任主編,中國醫(yī)學(xué)科學(xué)院醫(yī)學(xué)信息研究所所長劉輝研究員擔(dān)任執(zhí)行主編。
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