[摘要]"目的
探討全麻下扁桃體切除術(shù)對(duì)阻塞性睡眠呼吸暫停低通氣綜合征(OSAHS)患兒發(fā)音特征及血液中降鈣素原(PCT)、血小板膜蛋白-140(GMP-140)、T淋巴細(xì)胞亞群等的影響。
方法"隨機(jī)選取2020年6月—2022年3月在西安市兒童醫(yī)院耳鼻咽喉頭頸外科行全麻下扁桃體切除術(shù)的OSAHS患兒43例。分別于術(shù)前及術(shù)后第1、3個(gè)月時(shí)檢測(cè)患兒發(fā)音特征及血清中PCT、GMP-140、T淋巴細(xì)胞亞群的水平,同時(shí)檢測(cè)患兒的睡眠情況。
結(jié)果"與術(shù)前比較,術(shù)后第1、3個(gè)月患兒發(fā)/a/時(shí)最長(zhǎng)發(fā)音時(shí)間明顯延長(zhǎng),第二共振峰明顯增強(qiáng)(F=43.07、39.65,P<0.05);與術(shù)前比較,術(shù)后第1、3個(gè)月患兒發(fā)/i/時(shí)最長(zhǎng)發(fā)音時(shí)間明顯延長(zhǎng),第四共振峰明顯增強(qiáng)(F=21.43、44.25,P<0.05)。與術(shù)前比較,術(shù)后第1、3個(gè)月患兒血液中PCT、GMP-140、CD8+水平及呼吸暫停低通氣指數(shù)明顯降低(F=29.67~112.86,P<0.05),血液中CD3+、CD4+、CD4+/CD8+水平及夜間最低血氧飽和度水平、魁北克睡眠問(wèn)卷評(píng)分明顯升高(F=12.15~234.11,P<0.05)。
結(jié)論"全麻下扁桃體切除術(shù)能夠使OSAHS患兒發(fā)/a/、/i/時(shí)最長(zhǎng)發(fā)音時(shí)間明顯延長(zhǎng),發(fā)音特征明顯改善,同時(shí)可降低患兒炎癥反應(yīng),改善睡眠質(zhì)量,并對(duì)恢復(fù)免疫功能有積極作用。
[關(guān)鍵詞]"扁桃體切除術(shù);睡眠呼吸暫停,阻塞性;言語(yǔ)參數(shù)測(cè)量;降鈣素原;血小板膜糖蛋白類;T淋巴細(xì)胞亞群;兒童
[中圖分類號(hào)]"R749.79;R766.9
[文獻(xiàn)標(biāo)志碼]"A
Effects of tonsillectomy under general anaesthesia on articulatory characteristics and blood levels of PCT, GMP-140, and T lymphocyte subsets in children with obstructive sleep apnea-hypopnea syndrome
WANG Zihan, PAN Hongshuai
(Department of Otolaryngology Head and Neck Surgery, Xi′an Children’s Hospital, Xi′an 710038, China)
[ABSTRACT]Objective To explore the effects of tonsillectomy under general anesthesia on articulatory characteristics and blood levels of procalcitonin (PCT), platelet membrane protein-140 (GMP-140), and T lymphocyte subsets in children with obstructive sleep apnea-hypopnea syndrome (OSAHS).
Methods Forty-three children with OSAHS who underwent tonsillectomy under general anesthesia in the Department of Otorhinolaryngology Head and Neck Surgery of Xi’an Children’s Hospital, Shaanxi Province from June 2020 to March 2022 were randomly selected for the study. The children were evaluated for articulatory characteristics, blood levels of PCT, GMP-140, and T lymphocyte subsets, as well as sleep status before surgery and at 1 and 3 months after surgery.
Results The longest duration of articulating /a/ was significantly prolonged and the second formant was significantly enhanced at 1 and 3 months after surgery (F=43.07,39.65,Plt;0.05). The longest duration of articulating /i/ was significantly prolonged and the fourth formant was significantly enhanced at 1 and 3 months after surgery (F=21.43,44.25,Plt;0.05). At 1 and 3 months after surgery, the blood levels of PCT, GMP-140, and CD8+ and apnea hypoventilation index were significantly reduced (F=29.67-112.86,Plt;0.05); the blood levels of CD3+, CD4+, and CD4+/CD8+, nocturnal lowest blood oxygen saturation, and Quebec Sleep Questionnaire scores were significantly increased (F=12.15-234.11,Plt;0.05).
Conclusion Tonsillectomy under general anesthesia can significantly prolong the longest duration of articulating /a/ and /i/ in children with OSAHS, improve their articulatory characteristics, reduce the inflammatory response, improve the quality of sleep, and have a positive impact on the restoration of immune function.
[KEY WORDS] Tonsillectomy; Sleep apnea, obstructive; Speech production measurement; Procalcitonin; Platelet membrane glycoproteins; T-lymphocyte subsets; Child
阻塞性睡眠呼吸暫停低通氣綜合征(obstructive sleep apnea-hypopnea syndrome,OSAHS)是兒童常見(jiàn)的睡眠疾病,主要表現(xiàn)為夜間部分或完全上呼吸道塌陷反復(fù)發(fā)作[1-2]。疾病發(fā)生期間,肺泡通氣不良可能造成氧合功能失衡,進(jìn)而促進(jìn)機(jī)體活性氧的產(chǎn)生,同時(shí)激活全身炎癥級(jí)聯(lián)反應(yīng)[3]。上氣道擴(kuò)張肌肌肉張力減退、扁桃體肥大、神經(jīng)系統(tǒng)疾病等均為OSAHS發(fā)生的影響因素,其中,扁桃體、腺樣體肥大為兒童OSAHS發(fā)生的主要病因[4-5]。而通過(guò)舌下神經(jīng)刺激、持續(xù)氣道正壓通氣等治療可起到一定治療效果,但可能導(dǎo)致患者出現(xiàn)惡心、聲門(mén)下狹窄等并發(fā)癥[6]。而對(duì)于確診的扁桃體肥大患者,扁桃體切除術(shù)為首選手術(shù)治療方法[7]。本研究旨在探討全麻下扁桃體切除術(shù)對(duì)OSAHS患兒發(fā)音特征及血液中降鈣素原(PCT)、血小板膜蛋白-140(GMP-140)、T淋巴細(xì)胞亞群等的影響。
1nbsp;對(duì)象與方法
1.1"研究對(duì)象
選取2020年6月—2022年3月于西安市兒童醫(yī)院耳鼻咽喉頭頸外科擬全麻下行扁桃體切除術(shù)的OSAHS患兒43例作為研究對(duì)象,其中男25例,女18例;年齡4~8歲,平均(5.27±2.66)歲。入組標(biāo)準(zhǔn):①患兒均符合行全麻下扁桃體切除術(shù)的手術(shù)指征[8];②患兒有急性扁桃體和咽痛發(fā)作病史,手術(shù)時(shí)無(wú)急性炎癥反應(yīng)。排除標(biāo)準(zhǔn):①患兒既往有耳鼻咽喉等手術(shù)史;②患兒存在喉頭水腫、頸椎疾病等狀況;③患兒伴有肝腎功能或心臟功能不全。
1.2"觀察指標(biāo)及檢測(cè)方法
所有指標(biāo)均于術(shù)前及術(shù)后第1、3個(gè)月時(shí)檢測(cè)。按照《漢語(yǔ)構(gòu)音能力測(cè)驗(yàn)詞表》的要求檢測(cè)患者發(fā)音特征變化,包括聲學(xué)客觀參數(shù)(基頻、振幅微擾、最長(zhǎng)發(fā)音時(shí)間)及第二共振峰(F2)與第四共振峰(F4)。采用酶聯(lián)免疫吸附法檢測(cè)患者血清中PCT、GMP-140的水平。采用流式細(xì)胞儀檢測(cè)患者血液中的T淋巴細(xì)胞亞群(CD3+、CD4+、CD8+、CD4+/CD8+)的水平。采用多導(dǎo)睡眠儀以及魁北克睡眠問(wèn)卷(QSQ)[9]檢測(cè)患者的睡眠情況,包括呼吸暫停低通氣指數(shù)(AHI)及夜間最低血氧飽和度(LSaO2)。
1.3"統(tǒng)計(jì)學(xué)處理
采用SPSS 22.0軟件進(jìn)行統(tǒng)計(jì)學(xué)分析,符合正態(tài)性分布的計(jì)量資料以±s表示,不同時(shí)間點(diǎn)的比較采用重復(fù)測(cè)量設(shè)計(jì)的方差分析,進(jìn)一步兩兩比較采用LSD-t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"患兒手術(shù)前后發(fā)音特征變化
發(fā)/a/時(shí)與發(fā)/i/時(shí),患兒在術(shù)前與術(shù)后第1、3個(gè)月時(shí)基頻、振幅微擾方面比較無(wú)明顯差異(P>0.05);發(fā)/a/時(shí),與術(shù)前比較,患兒術(shù)后第1、3個(gè)月時(shí)最長(zhǎng)發(fā)音時(shí)間明顯延長(zhǎng)(F=43.07,t=5.64、13.08,P<0.05),F(xiàn)2明顯增強(qiáng)(F=39.65,t=5.30、12.54,P<0.05),而F4無(wú)顯著性差異(P>0.05);發(fā)/i/時(shí),與術(shù)前比較,患兒術(shù)后第1、3個(gè)月時(shí)最長(zhǎng)發(fā)音時(shí)間明顯延長(zhǎng)(F=21.43,t=4.31、9.25,P<0.05),F(xiàn)4明顯增強(qiáng)(F=44.25,t=5.20、13.21,P<0.05),而F2無(wú)明顯差異(P>0.05)。見(jiàn)表1。
2.2"患兒手術(shù)前后血液中PCT、GMP-140水平的變化
患兒手術(shù)前血液中PCT、GMP-140水平分別為(12.35±2.84)、(25.86±5.72)μg/L,術(shù)后第1個(gè)月血液中PCT以及GMP-140水平分別為(9.74±2.36)、(19.35±4.28)μg/L,術(shù)后第3個(gè)月血液中PCT、GMP-140水平分別為(4.83±1.74)、(14.62±3.53)μg/L,與術(shù)前比較,患兒術(shù)后第1、3個(gè)月時(shí)血液中PCT、GMP-140水平顯著性降低(F=112.86、64.70,t=7.26~20.92,P<0.05)。
2.3"患兒手術(shù)前后血液中T淋巴細(xì)胞亞群水平的變化
與術(shù)前相比較,患兒術(shù)后第1、3個(gè)月時(shí)的血液CD3+、CD4+、CD4+/CD8+水平均顯著性升高(F=12.15~234.11,t=3.94~30.58,P<0.05),血液CD8+水平明顯降低(F=29.67,t=5.64、10.89,P<0.05)。見(jiàn)表2。
2.4"患兒手術(shù)前后睡眠質(zhì)量變化
與術(shù)前比較,患兒術(shù)后第1、3個(gè)月時(shí)AHI水平明顯降低(F=92.40,t=9.65、19.22,P<0.05),而LSaO2及QSQ評(píng)分均明顯升高(F=20.01、60.04,t=3.95~19.22,P<0.05)。見(jiàn)表3。
3"討""論
扁桃體手術(shù)是目前治療兒童因扁桃體肥大導(dǎo)致OSAHS的主要手術(shù)方法,對(duì)因扁桃體肥大引起的睡眠呼吸障礙、正常呼吸受阻以及影響兒童發(fā)育等一系列癥狀療效顯著,也是兒科患者中比較常見(jiàn)的手術(shù)[10]。本研究旨在探討全麻下扁桃體切除術(shù)在OSAHS患兒中的應(yīng)用效果,以為臨床OSAHS患兒的治療提供一定參考。
研究顯示,OSAHS患者發(fā)音功能出現(xiàn)變化,且其變化程度對(duì)評(píng)估患者病情嚴(yán)重程度具有重要作用,可以作為預(yù)測(cè)OSAHS病情的有效特征[11]。既往研究顯示,行腺樣體手術(shù)的患兒術(shù)后閉塞性鼻音發(fā)生率明顯降低[12]。OSAHS患者懸雍垂腭咽成形術(shù)治療后,患者發(fā)元音/a/、/i/時(shí)的F1、F2則出現(xiàn)明顯升高,聲道共鳴功能也出現(xiàn)一定改善[13]。本研究通過(guò)分析手術(shù)前后患兒發(fā)音特征的變化發(fā)現(xiàn),患兒發(fā)/a/時(shí),術(shù)后最長(zhǎng)發(fā)音時(shí)間明顯延長(zhǎng),F(xiàn)2明顯增強(qiáng);發(fā)/i/時(shí),術(shù)后最長(zhǎng)發(fā)音時(shí)間明顯延長(zhǎng),F(xiàn)4明顯增強(qiáng)。說(shuō)明扁桃體切除術(shù)能夠改善患兒嗓音及發(fā)聲功能?;純喊l(fā)音特征與共振峰頻率具有重要關(guān)系,F(xiàn)2可反映口腔的大小與口腔的共鳴狀態(tài),影響元音的性質(zhì),F(xiàn)4可影響聲音的個(gè)人特色及音色。發(fā)聲通
道形狀、長(zhǎng)短的任何改變均可造成聲音頻率的波動(dòng)變化,扁桃體未切除之前占據(jù)口咽腔空間,影響舌根運(yùn)動(dòng),而扁桃體切除術(shù)可改變患兒共鳴腔的結(jié)構(gòu),軟腭位置上移,舌位相對(duì)降低,舌根運(yùn)動(dòng)增大,從而使共振峰升高,改善聲音質(zhì)量。
炎癥反應(yīng)參與了人體多種疾病的發(fā)生以及發(fā)展[14-15]。PCT是一種主要由甲狀腺濾泡細(xì)胞分泌的糖蛋白,正常情況下血液中PCT水平較低,而在病理刺激下,甲狀腺濾泡細(xì)胞分泌大量PCT,致血液中PCT水平的顯著升高,血液中PCT水平的升高是患者機(jī)體處于炎癥狀態(tài)的一種重要標(biāo)志[16]。血液GMP-140是一種在血小板膜上發(fā)現(xiàn)的黏附分子,可能在炎癥刺激下轉(zhuǎn)移到內(nèi)皮細(xì)胞和血小板表面,從而發(fā)揮作用。研究發(fā)現(xiàn),OSAHS患者血液中GMP-140水平明顯高于非OSAHS患者[17]。激活的GMP-140能介導(dǎo)與白細(xì)胞的第一次“捕捉”接觸,介導(dǎo)白細(xì)胞黏附至內(nèi)皮細(xì)胞和活化血小板表面,從而損害脈管系統(tǒng)和局部組織,促進(jìn)平滑肌增生,加速血栓的形成與發(fā)展。血液中GMP-140表達(dá)升高已被證明是炎癥相關(guān)病理狀態(tài)的重要特征[18]。本研究結(jié)果顯示,OSAHS患兒術(shù)后第1、3個(gè)月血液中PCT、GMP-140水平均較術(shù)前明顯降低,提示扁桃體切除術(shù)能夠明顯降低患兒炎癥情況,減輕患兒病情。相關(guān)研究顯示,隨著OSAHS患者病情的加重,血液中PCT、GMP-140水平會(huì)逐漸升高,而經(jīng)扁桃體切除術(shù)治療后,血液中PCT、GMP-140水平則顯著性降低[19-20],本研究結(jié)果與之相似。表明OSAHS患兒體內(nèi)出現(xiàn)了炎癥激活反應(yīng),且炎癥反應(yīng)可能參與了OSAHS的發(fā)展。
扁桃體免疫功能在人類幼兒時(shí)期非?;钴S,在OSAHS的發(fā)生發(fā)展中,扁桃體產(chǎn)生大量免疫球蛋白及淋巴細(xì)胞。外周血T淋巴細(xì)胞在介導(dǎo)免疫應(yīng)答、參與免疫調(diào)節(jié)方面扮演著重要角色[21]。CD4+細(xì)胞能分泌淋巴因子以增強(qiáng)機(jī)體的免疫反應(yīng),而CD8+細(xì)胞可對(duì)B和T淋巴細(xì)胞功能產(chǎn)生抑制作用,CD4+/CD8+比值可直接反映患者T淋巴細(xì)胞亞群的異常情況。研究發(fā)現(xiàn),OSAHS患兒外周血中CD4+、CD4+/CD8+水平明顯升高,且隨著患兒病情的加重,外周血中CD4+、CD4+/CD8+水平會(huì)升高更加顯著[22],外周血中CD4+、CD4+/CD8+等免疫指標(biāo)水平可為評(píng)估患兒預(yù)后提供一定理論參考。本研究結(jié)果顯示,扁桃體切除術(shù)后第1、3個(gè)月時(shí)患兒血液中CD3+、CD4+、CD4+/CD8+水平較術(shù)前明顯升高,CD8+水平明顯降低,提示患兒的免疫功能出現(xiàn)了顯著改善。由于OSAHS患兒存在免疫功能抑制,導(dǎo)致機(jī)體免疫穩(wěn)態(tài)失衡,而扁桃體切除術(shù)后患兒呼吸道通暢,通氣質(zhì)量得到顯著性改善,機(jī)體免疫功能逐漸提高,對(duì)于改善患兒預(yù)后起到了重要作用[23]。
扁桃體肥大的患兒大多存在睡眠障礙,即患兒在睡眠期間反復(fù)發(fā)生部分或完全上呼吸道阻塞,造成通氣及睡眠模式異常[24]。本研究通過(guò)多導(dǎo)睡眠監(jiān)測(cè)儀檢測(cè)患兒睡眠情況,結(jié)果發(fā)現(xiàn),術(shù)后第1、3個(gè)月時(shí)患兒AHI較術(shù)前明顯降低,而LSaO2水平及QSQ評(píng)分均明顯升高。WATERS等[25]的研究顯示,OSAHS患兒扁桃體切除術(shù)后,患兒睡眠及行為得到顯著改善。上述結(jié)果與本研究結(jié)果相似,以上結(jié)果均說(shuō)明扁桃體切除術(shù)對(duì)改善患兒睡眠質(zhì)量具有重要作用。
綜上所述,于全麻狀態(tài)下行扁桃體切除術(shù)能夠使OSAHS患兒發(fā)/a/、/i/時(shí)最長(zhǎng)發(fā)音時(shí)間明顯延長(zhǎng),發(fā)音特征發(fā)生明顯改善,同時(shí)可降低患兒炎癥反應(yīng),改善睡眠質(zhì)量,并對(duì)恢復(fù)正常的免疫功能有積極的意義。本研究的局限性在于樣本量小,觀察時(shí)間有限,觀察的指標(biāo)較少,不能全面動(dòng)態(tài)地評(píng)估患兒的免疫功能,后續(xù)仍需進(jìn)一步擴(kuò)大樣本量及延長(zhǎng)觀察時(shí)間,從多個(gè)方面揭示扁桃體切除術(shù)對(duì)OSAHS患兒預(yù)后的影響。
倫理批準(zhǔn)和知情同意:本研究涉及的所有試驗(yàn)均已通過(guò)西安市兒童醫(yī)院倫理委員會(huì)的審核批準(zhǔn)(文件號(hào)2022A-518)。所有試驗(yàn)過(guò)程均遵照《赫爾辛基宣言》的條例進(jìn)行。受試對(duì)象或其親屬已經(jīng)簽署知情同意書(shū)。
作者聲明:所有作者均參與了研究設(shè)計(jì)及論文的寫(xiě)作和修改。所有作者均閱讀并同意發(fā)表該論文,且均聲明不存在利益沖突。
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(本文編輯"耿波)