蘇超云 葉旭芳
[摘要]目的 探討肺表面活性物質(zhì)、布地奈德聯(lián)合鼻塞式持續(xù)氣道正壓通氣治療新生兒呼吸窘迫綜合征(NRDS)的臨床效果。方法 選取2017年1月~2018年12月我院收治的90例NRDS患兒作為研究對(duì)象,按照隨機(jī)數(shù)字表法分為對(duì)照組與觀(guān)察組,每組各45例。對(duì)照組在常規(guī)措施治療基礎(chǔ)上予以肺表面活性物質(zhì)聯(lián)合鼻塞式持續(xù)氣道正壓通氣治療,觀(guān)察組在對(duì)照組治療基礎(chǔ)上加用布地奈德治療,兩組的治療時(shí)間均為7 d。比較兩組治療前后血?dú)庀嚓P(guān)指標(biāo)、呼吸機(jī)使用時(shí)間、吸氧時(shí)間、住院時(shí)間及支氣管肺發(fā)育不良(BPD)發(fā)生率。結(jié)果 兩組治療前血pH值、動(dòng)脈血氧分壓(PaO2)、動(dòng)脈血二氧化碳分壓(PaCO2)、氧合指數(shù)(OI)等血?dú)庀嚓P(guān)指標(biāo)比較,差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05)。兩組治療后的pH值、PaO2、OI高于治療前,PaCO2低于治療前,差異有統(tǒng)計(jì)學(xué)意義(P<0.05),且觀(guān)察組治療后的pH值、PaO2、OI高于對(duì)照組,而觀(guān)察組治療后的PaCO2低于對(duì)照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05);觀(guān)察組呼吸機(jī)使用時(shí)間、吸氧時(shí)間及住院時(shí)間均短于對(duì)照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05),且BPD發(fā)生率低于對(duì)照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。結(jié)論 肺表面活性物質(zhì)、布地奈德聯(lián)合鼻塞式持續(xù)氣道正壓通氣可明顯改善NRDS早產(chǎn)兒血?dú)庀嚓P(guān)指標(biāo),縮短呼吸機(jī)使用時(shí)間、吸氧時(shí)間及住院時(shí)間,明顯降低BPD發(fā)生率。
[關(guān)鍵詞]肺泡表面活性物質(zhì);布地奈德;鼻塞式持續(xù)氣道正壓通氣;新生兒呼吸窘迫綜合征
[中圖分類(lèi)號(hào)] R722.6? ? ? ? ? [文獻(xiàn)標(biāo)識(shí)碼] A? ? ? ? ? [文章編號(hào)] 1674-4721(2019)11(a)-0159-04
Clinical effect of pulmonary surfactant, Budesonide combined with nasal obstruction continuous positive airway pressure ventilation in the treatment of neonatal respiratory distress syndrome
SU Chao-yun? ?YE Xu-fang
Department of Pediatrics, the People′s Hospital of Huazhou City, Guangdong Province, Huazhou? ?525100, China
[Abstract] Objective To investigate the clinical effect of pulmonary surfactant, Budesonide combined with nasal obstruction continuous positive airway pressure ventilation in the treatment of neonatal respiratory distress syndrome (NRDS). Methods A total of 90 children with NRDS admitted to our hospital from January 2017 to December 2018 were selected as the research objects. According to the random number table method, they were divided into the control group and the observation group, with 45 cases in each group. The control group was treated by pulmonary surfactant combined with nasal obstruction continuous positive airway pressure ventilation on the basis of routine treatment measures, and the observation group was treated by Budesonide on the basis of the control group, the treatment time of two groups were all 7 days. The blood gas related indexes between the two groups before and after treatment were compared, and the use time of ventilator, oxygen intake time, hospitalization time and incidence of bronchopul monary dysplasia (BPD) between the two groups were compared. Results The blood gas related indicators such as blood pH value, arterial partial pressue of oxygen (PaO2), arterial pressure of carbon dioxide (PaCO2), oxygenation index (OI) were compared between the two groups before treatment, and the differences were not statistically significant (P>0.05). After treatment, the pH value, PaO2, OI of the two groups were higher than those of before treatment, while the PaCO2 was lower than that of before treatment, the differences were statistically significant (P<0.05), and the pH value, PaO2, OI of the observation group after treatment were higher than those of the control group, and the PaCO2 of the observation group after treatment was lower than that of the control group, the differences were statistically significant (P<0.05). The duration of ventilator use, oxygen intake and hospital stay in the observation group were shorter than those in the control group, and the differences were statistically significant(P<0.05), the incidence of BPD was lower than that in the control group, and the differences were statistically significant (P<0.05). Conclusion The treatment of pulmonary surfactant, Budesonide combined with nasal obstruction continuous positive airway pressure ventilation can significantly improve the blood gas related indicators of NRDS premature infants, shorten the duration of ventilator use, oxygen intake and hospital stay, and significantly reduce the incidence of BPD.
[Key words] Pulmonary surfactant; Budesonide; Nasal obstruction continuous positive airway pressure; Neonatal respiratory distress syndrome
近年來(lái),隨著肺表面活性物質(zhì)(pulmonary surfactant,PS)在兒科臨床治療方面的廣泛應(yīng)用,新生兒呼吸窘迫綜合征(neonatal respiratory distress syndrome,NRDS)患兒的救治成功率明顯升高,但其并發(fā)癥-支氣管肺發(fā)育不良(bronchopulmonary dysplasia,BPD)的發(fā)生率呈逐漸升高的趨勢(shì)[1-2]。BPD發(fā)病機(jī)制中的關(guān)鍵環(huán)節(jié)是炎癥反應(yīng),糖皮質(zhì)激素具有抑制機(jī)體炎癥反應(yīng)的藥理作用,可有效降低BPD的發(fā)生率,但靜脈途徑應(yīng)用糖皮質(zhì)激素治療可出現(xiàn)較多的不良反應(yīng),而氣管內(nèi)使用布地奈德的藥物不良反應(yīng)相對(duì)較少[3-4]。既往臨床上多采用經(jīng)氣管插管途徑治療BPD患兒,但呼吸機(jī)相關(guān)肺炎、肺組織損傷等并發(fā)癥發(fā)生的風(fēng)險(xiǎn)也明顯增加[5-6]。近些年鼻塞式持續(xù)氣道正壓通氣逐漸應(yīng)用于臨床治療,此治療方式與新生兒口咽部解剖生理特點(diǎn)相符合,可有效避免患兒咽部、呼吸氣道受到不必要的損傷[7-8]。因此,本研究擬探討PS、布地奈德聯(lián)合鼻塞式持續(xù)氣道正壓通氣治療NRDS患兒的臨床效果,現(xiàn)報(bào)道如下。
1資料與方法
1.1一般資料
選取2017年1月~2018年12月我院收治的90例NRDS患兒作為研究對(duì)象,根據(jù)隨機(jī)數(shù)字表法將其分為對(duì)照組與觀(guān)察組,每組各45例。對(duì)照組中,男25例,女20例;年齡28~32周,平均(30.2±1.5)周;平均體重(1272.5±218.7)g。觀(guān)察組中,男27例,女18例;年齡28~33周,平均(30.6±1.7)周;平均體重(1290.2±205.1)g。兩組的一般資料比較,差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05),具有可比性。本研究方案已獲得我院醫(yī)學(xué)倫理委員會(huì)審核和批準(zhǔn)。
1.2納入及排除標(biāo)準(zhǔn)
納入標(biāo)準(zhǔn):①患兒均為胎齡<34周,且出生體重 <1500 g的早產(chǎn)兒;②患兒根據(jù)臨床癥狀體征及實(shí)驗(yàn)室診斷均確診為NRDS患兒;③患兒家屬均表示自愿參與此項(xiàng)研究并簽署知情同意書(shū);④患兒對(duì)本研究藥物均無(wú)藥物過(guò)敏反應(yīng)及治療禁忌證。排除標(biāo)準(zhǔn):①合并有先天支氣管或肺組織發(fā)育畸形的患兒;②合并有嚴(yán)重先天性心臟病的患兒;③自動(dòng)出院的患兒。
1.3治療方法
兩組患兒入院后均予以抗感染、持續(xù)氧氣吸入、限制液體輸注量、營(yíng)養(yǎng)物質(zhì)補(bǔ)給及支氣管擴(kuò)張劑等常規(guī)措施治療。對(duì)照組在常規(guī)措施治療基礎(chǔ)上予以PS聯(lián)合鼻塞式持續(xù)氣道正壓通氣治療,患兒出生6 h內(nèi)予以氣管插管滴入PS(北京雙鶴現(xiàn)代醫(yī)藥技術(shù)有限責(zé)任公司生產(chǎn),國(guó)藥準(zhǔn)字H20052128),治療劑量為100 mg/kg,鼻塞式持續(xù)氣道正壓通氣的氧吸入濃度設(shè)置為35.0%~60.0%,氧氣流量設(shè)定為6.0~8.0 L/min,壓力控制為0.4~0.6 kPa,調(diào)節(jié)呼吸末正壓為4.0~6.0 cmH2O。觀(guān)察組在對(duì)照組治療基礎(chǔ)上加用布地奈德治療,0.5 mg布地奈德混懸液(澳大利亞阿斯利康有限公司生產(chǎn),國(guó)藥準(zhǔn)字X20010422)完全溶于1 ml生理鹽水溶液中,氧驅(qū)霧化吸入,流量驅(qū)動(dòng)控制在6~8 L/min,霧化吸入治療時(shí)間控制在10 min。兩組患兒治療時(shí)間均為7 d。
1.4觀(guān)察指標(biāo)
比較兩組患兒治療前后的血pH值、動(dòng)脈血氧分壓(PaO2)、動(dòng)脈血二氧化碳分壓(PaCO2)、氧合指數(shù)(OI)等血?dú)庀嚓P(guān)指標(biāo)變化,比較兩組患兒呼吸機(jī)使用時(shí)間、吸氧時(shí)間、住院時(shí)間及BPD發(fā)生率。
1.5統(tǒng)計(jì)學(xué)方法
采用SPSS 19.0統(tǒng)計(jì)學(xué)軟件進(jìn)行數(shù)據(jù)分析,計(jì)量資料用均數(shù)±標(biāo)準(zhǔn)差(x±s)表示,兩組間比較采用t檢驗(yàn);計(jì)數(shù)資料用率表示,組間比較采用χ2檢驗(yàn),以P<0.05為差異有統(tǒng)計(jì)學(xué)意義。
2 結(jié)果
2.1 兩組患兒治療前后血?dú)庀嚓P(guān)指標(biāo)的比較
兩組患兒治療前的血pH值、PaO2、PaCO2、OI等血?dú)庀嚓P(guān)指標(biāo)比較,差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05);兩組患兒治療后的pH值、PaO2、OI高于治療前,PaCO2低于治療前,差異有統(tǒng)計(jì)學(xué)意義(P<0.05),且觀(guān)察組治療后的pH值、PaO2、OI高于對(duì)照組,而觀(guān)察組治療后的PaCO2低于對(duì)照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)(表1)。
2.2兩組患兒呼吸機(jī)使用時(shí)間、吸氧時(shí)間、住院時(shí)間及BPD發(fā)生率的比較
觀(guān)察組患兒呼吸機(jī)使用時(shí)間、吸氧時(shí)間及住院時(shí)間均短于對(duì)照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05),且BPD發(fā)生率低于對(duì)照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)(表2)。
3討論
BPD是新生兒肺組織發(fā)育不成熟后經(jīng)機(jī)械通氣治療后所致的慢性肺部疾病,其發(fā)病作用機(jī)制以及危險(xiǎn)因素尚未清楚,多數(shù)研究認(rèn)為早產(chǎn)、氧氣吸入濃度過(guò)高、肺部炎癥感染、機(jī)械通氣治療以及氧氣吸入治療時(shí)間長(zhǎng)等均可導(dǎo)致BPD發(fā)生[9-10]。近些年,隨著早產(chǎn)兒存活率的明顯升高,BPD發(fā)生率也呈逐漸升高的趨勢(shì),已成為早產(chǎn)兒機(jī)械通氣治療的一種嚴(yán)重并發(fā)癥,采取積極有效的治療措施變的極為重要[11-12]。
經(jīng)鼻持續(xù)氣道正壓通氣是一種無(wú)創(chuàng)機(jī)械通氣治療方法[13],可明顯降低呼吸氣管插管所引起的各種并發(fā)癥發(fā)生率,使得NRDS早產(chǎn)兒呼吸氣道出現(xiàn)明顯擴(kuò)張現(xiàn)象,肺功能殘氣量顯著性增加,從而明顯減少患兒肺泡內(nèi)液體的滲出量,最終顯著改善肺內(nèi)分流、肺組織通氣功能以及氧合指數(shù)等指標(biāo)[14]。此外,經(jīng)鼻持續(xù)氣道正壓通氣還可明顯降低BPD發(fā)生率,從而確保呼吸氣道的完整狀態(tài),是目前治療NRDS的有效措施。PS是由磷脂以及特異性蛋白質(zhì)等成分混合的物質(zhì),廣泛分布在肺泡內(nèi)表面,可起到降低肺泡表面張力的生理學(xué)作用[15]。PS可明顯增加肺泡表面積,促進(jìn)內(nèi)源性PS的合成和分泌,使得早產(chǎn)兒肺上皮細(xì)胞大量再生,臟器生理功能迅速恢復(fù)。布地奈德則是一種糖皮質(zhì)激素,其抗炎癥感染的藥理作用強(qiáng)大,可明顯降低呼吸氣道的高敏反應(yīng)程度,使得呼吸氣道血管組織明顯收縮,氣管內(nèi)黏液分泌量顯著減少,最終有效控制呼吸道炎性反應(yīng)[16]。此外,布地奈德還可抑制腫瘤壞死因子-α(tumor necrosis factor-α,TNF-α)、白介素(interleukin,IL)-6、IL-1β等促炎癥反應(yīng)細(xì)胞因子表達(dá),增強(qiáng)IL-10等抑制炎癥反應(yīng)細(xì)胞因子的表達(dá)[17]。本研究采用布地奈德氧驅(qū)霧化吸入治療NRDS早產(chǎn)兒,可使得較多藥物沉積在肺組織內(nèi),從而提高藥物作用濃度,減少藥物治療劑量,最終避免藥物不良反應(yīng)的出現(xiàn)[18]。目前很多研究均認(rèn)為[19-20],PS和布地奈德聯(lián)合氣管內(nèi)滴注治療NRDS患兒,可明顯提高肺泡內(nèi)布地奈德的藥物作用濃度,從而顯著性改善抗炎癥反應(yīng)的治療效果,促進(jìn)患兒肺組織的成熟。本研究提示,觀(guān)察組治療后血?dú)庀嚓P(guān)指標(biāo)改善值高于對(duì)照組,且呼吸機(jī)使用時(shí)間、吸氧時(shí)間及住院時(shí)間均短于對(duì)照組,BPD發(fā)生率低于對(duì)照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。
綜上所述,PS、布地奈德聯(lián)合鼻塞式持續(xù)氣道正壓通氣可明顯改善NRDS早產(chǎn)兒血?dú)庀嚓P(guān)指標(biāo),縮短呼吸機(jī)使用時(shí)間、吸氧時(shí)間及住院時(shí)間,降低BPD發(fā)生率。
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(收稿日期:2019-03-26? 本文編輯:焦曌元)