双水平正压通气和经鼻持续气道正压通气在早产儿呼吸窘迫综合征撤机后应用的比较

目的探讨重度新生儿呼吸窘迫综合征（RDS）早产儿撤机后使用双水平正压通气（DuoPAP）和持续气道正压通气（NCPAP）模式相比,是否可以降低撤机失败率。方法选择2012年1—12月入住本院早产儿重症监护病房、胎龄29—34周、需要有创呼吸、并且在生后4周内撤机的重度RDS早产儿,撤机后随机分为DuoPAP组和NCPAP组,若应用这两种方式不能维持则再次气管插管呼吸机辅助呼吸。主要观察指标为撤机失败率、失败原因以及使用无创呼吸支持后1、12、24、48、72h二氧化碳分压（PaCO2）、氧分压（PaO2）和氧合指数（OI）。结果共入选69例RDS早产儿,DuoPAP组35例,NCPAP组34例。DuoPAP组与NCPA组比较,撤机失败率降低（11．4％比35．3％）;12、24hOI升高[12h：（228．1±44．4）比（204．2±44．6）,24h：（254．6±39．5）比（230．4±44．4）],PaCO2（mmHg）降低[12h：（35．1±8．3）比（40．5士8．9）,24h：（36．8±8．4）比（42．1±8．8）];12hPaO2（mmHg）升高[（89．0±12．5）比（74．5±13．8）],P均〈0．05。两组总用氧时间、有创呼吸支持时间、气胸、坏死性小肠结肠炎和重度脑室内出血发生率差异均无统计学意义（P〉0．05）。结论与使用NCPAP相比,撤机后使用DuoPAP可明显降低重度RDS患儿撤机失败率,值得推广。     

双水平正压通气和持续呼吸道正压通气在早产儿呼吸窘迫综合征中应用的比较

目的比较呼吸窘迫综合征(RDS)早产儿早期使用双水平正压通气(DuoPAP)和持续呼吸道正压通气(NCPAP)模式是否可以降低插管有创呼吸支持率和支气管肺发育不良(BPD)的发病率。方法本试验为单中心、随机对照研究,将胎龄30～34+6周出生6 h内的RDS早产儿随机分为早期使用DuoPAP组和早期使用NCPAP组,若这2种方式不能维持患儿生命体征则使用气管内插管,并使用肺表面活性物质气管内滴入,接呼吸机辅助呼吸,模式选择为同步间歇指令通气模式和辅助/控制模式。主要观察指标为出生24 h、48 h、72 h总插管有创呼吸支持率及BPD发病率,次要观察指标为使用无创呼吸机支持总时间、有创呼吸机使用时间、总用氧时间、气胸发病率、坏死性小肠结肠炎发病率、脑室内出血发病率(Ⅲ级以上)、全肠道喂养时间、总住院时间。结果入组的67例早产儿随机分为早期DuoPAP组(34例)和早期NCPAP组(33例),2组早产儿出生24 h总插管有创呼吸支持率比较差异无统计学意义(P=0.074),DuoPAP组48 h、72 h总插管有创呼吸支持率明显低于NCPAP组(P=0.030、0.033),但2组BPD发病率比较差异无统计学意义(P=0.979)。2组间次要观察指标比较差异均无统计学意义。结论早期使用DuoPAP可明显降低RDS患儿出生24 h后总插管有创呼吸支持率,但不能降低BPD发病率。     

双水平正压通气和持续气道正压通气在早产儿呼吸窘迫综合征中应用的比较

目的：对患有新生儿呼吸窘迫综合征（RDS）的早产儿早期使用双水平正压通气（DuoPAP）和经鼻持续气道正压通气（NCPAP）模式在降低有创呼吸支持率和支气管肺发育不良（BPD）发生率方面进行比较分析。方法：该试验为单中心随机对照试验,将胎龄30~35 周患有RDS生后6 h内的早产儿随机分为早期使用DuoPAP组（n=34）和早期使用 NCPAP组（n=33）,若这两种方式不能维持则使用气管内插管、呼吸机辅助呼吸,肺表面活性物质作为急救药物。观察患儿生后24 h、48 h及72 h内的总插管有创呼吸支持率、支气管肺发育不良（BPD）发生率及使用无创呼吸支持后1、12、24、48、72 h 二氧化碳分压（PaCO2）、氧分压（PaO2）及氧合指数（OI）。结果：DuoPAP组48 h内、72 h内总插管有创呼吸支持率明显低于NCPAP组（P0.05）。DuoPAP组OI无创呼吸支持后1、12、24、48、72 h均高于NCPAP组（均P<0.05）。DuoPAP组PaCO2在无创呼吸支持后1、12、24 h明显小于NCPAP组（P<0.05）;DuoPAP组PaO2在无创呼吸支持后1、12 h 明显大于NCPAP组（P<0.05）。结论：早期使用DuoPAP与NCPAP相比,可明显降低RDS患儿插管有创呼吸支持率,值得推广。     

双水平正压通气和经鼻持续气道正压通气治疗早产儿呼吸窘迫综合征的疗效和并发症Meta分析

目的 采用Meta分析的方法评价双水平正压通气(BiPAP）和经鼻持续气道正压通气（NCPAP）治疗早产儿呼吸窘迫综合征（RDS）的疗效和安全性。方法 计算机检索PubMed、Sciverse、Cochrane图书馆、中国知网、中国生物医学文献数据库、维普数据库及万方数据库,收集BiPAP和NCPAP治疗早产儿RDS的RCT文献。2名研究者根据纳入和排除标准独立筛选文献,应用RevMan 5.2软件进行Meta分析,比较BiPAP和NCPAP的治疗失败率、氧合情况和并发症发生率。结果 9篇RCT文献进入Meta分析,共纳入571例患儿,BiPAP 组289例,NCPAP组282例。Meta分析结果提示,BiPAP组治疗失败率低于NCPAP组,OR=0.42 （95%CI：0.20~0.89）,按出生体重行亚组分析,极低出生体重儿（出生体重<1 500 g）的1篇文献两组治疗失败率差异无统计学意义,OR=1.49(95%CI:0.51~4.33）;BiPAP组较NCPAP组显著提高呼吸支持后12 h和24 h PaO2 ,MD分别为6.88 mmHg（95%CI：4.38~9.38)和6.36 mmHg(95%CI：4.80~7.92);显著降低呼吸支持后12 h和24 h PaCO2,MD分别为-5.00 mmHg（95%CI：-5.75~-4.25)和-5.39 mmHg (95%CI:-6.18~-4.61);两组病死率差异无统计学意义,OR=0.76（95%CI:0.34~1.69）。支气管肺发育不良、新生儿坏死性小肠结肠炎、脑室内出血、气胸、早产儿视网膜病变等并发症发生率BiPAP和NCPAP组差异均无统计学意义。结论 BiPAP治疗早产儿RDS疗效优于NCPAP,且并发症发生率与NCPAP相当,但BiPAP治疗极低出生体重儿的疗效仍需积累更多证据。     

鼻塞持续呼吸道正压通气治疗新生儿呼吸窘迫综合征体会

目的探讨鼻塞持续呼吸道正压通气(NCPAP)治疗呼吸窘迫综合征(NRDS)的疗效。方法对68例确诊NRDS病例予NCPAP治疗,观察患儿在NCPAP后的临床及血气指标变化。结果68例应用NCPAP后58例患儿呼吸困难及低氧血症有不同程度的改善,血气PaO2明显提高,PaCO2明显降低(P<0.01)。结论NCPAP可以改善氧合,对NRDS治疗有显著疗效。     

双水平气道正压通气序贯治疗早产儿呼吸窘迫综合征的疗效

目的探讨双水平气道正压通气(Bi PAP)作为气管插管呼吸机撤离后过渡通气模式治疗早产儿呼吸窘迫综合征(RDS)的疗效。方法采用前瞻性病例随机对照方法,将胎龄<35周、需应用气管插管机械通气治疗的RDS早产儿,在符合拔管指征时,随机分为Bi PAP组和鼻塞持续气道正压通气(CPAP)组。比较两组患儿的血气分析变化、拔管失败率、呼吸机累计时间、住院时间、病死率及并发症发生率。结果 Bi PAP组33例,CPAP组32例,两组患儿基本情况和RDS分级、拔管时间等差异均无统计学意义(P>0.05)。无创通气3 h和12 h Bi PAP组PO2和动脉血氧饱和度(Sa O2)均高于CPAP组[3 h PO2:(63.5±3.7)mm Hg比(54.8±7.6)mm Hg,3 h Sa O2:(92.6±2.1)%比(88.4±2.2)%],PCO2低于CPAP组[3 h:(45.5±3.9)mm Hg比(55.0±3.4)mm Hg],差异有统计学意义(P<0.05)。拔管后,Bi PAP组低氧血症和高碳酸血症发生率及拔管失败率均低于CPAP组(9.0%比31.2%,12.1%比34.4%,9.0%比18.8%),差异有统计学意义(P<0.05)。Bi PAP组呼吸机累计时间和住院时间均短于CPAP组[(96.7±19.4)h比(118.5±30.1)h,(35.4±5.7)天比(42.7±6.1)天],差异有统计学意义(P<0.05)。结论 Bi PAP模式作为拔管后的过渡通气模式,治疗早产儿RDS比CPAP模式更有优势,可作为气管插管呼吸机撤除后的优先选择。     

经鼻持续气道正压通气在28～32周早产儿呼吸窘迫综合征中的预防应用

目的 探讨早期经鼻持续气道正压通气(nCPAP)对28～32周极低出生体重儿呼吸窘迫综合征(RDS)的预防作用.方法 72例胎龄28～32周的早产儿随机分为观察组和对照组,观察组患儿在出生后30 min内无论有无缺氧均予以nCPAP进行呼吸管理,对照组患儿只有在吸氧浓度(FiO2)＞40%,经皮血氧饱和度(TcSO2)波动于93%～96%,持续30 min以上时予以nCPAP.当FiO2＞40%,患儿TcSO2波动于93%～96%,持续30 min以上,胸部X线同时有RDS征象时,予以一剂外源性肺表面活性物质(PS).观察两纽患儿RDS的发生率、PS和机械通气的使用率.结果 观察组RDS发生率为45.O%(18/40),明显低于对照组68.8%(22/32)(P＜0.05),差异有统计学意义,Ⅰ～Ⅱ级RDS的发生率两组比较差异有统计学意义(P＜0.05),Ⅲ～Ⅳ级RDS的发生率两组比较差异无统计学意义(P＞0.05);观察组25%(10/40)需应用PS,明显少于对照组50%(16/32),差异有统计学意义(P＜0.05);观察组生后72 h内机械通气率47.5%(19/40),对照组71.9%(23/32),差异有统计学意义(P＜0.05);颅内出血的发病率两组相比差异无统计学意义(P＞0.05).结论 nCPAP是一种无创性技术,对28～32周极低出生体重儿RDS有明显的疗效,早期应用nCPAP对RDS有一定的预防作用,能减少外源性PS的应用以及减少对机械通气的需要.     

经鼻间歇正压通气在初始治疗早产儿呼吸窘迫综合征中的临床应用

目的 探讨经鼻间歇正压通气（NIPPV）在初始治疗早产儿呼吸窘迫综合征（NRDS）中的临床有效性及安全性,探索NIPPV参数的初始设置。方法 采用随机对照研究方法,将100例NRDS早产儿随机分为NIPPV组（n=50）和经鼻持续气道正压通气（NCPAP）组（n=50）,比较采用NIPPV或NCPAP初始呼吸支持治疗NRDS时,在改善CO2潴留、改善氧合、减少再次气管插管率和再次使用肺表面活性物质（PS）率、减少有创呼吸支持时间,减少需氧时间以及并发肺气漏、腹胀、呼吸机相关性肺炎之间有无差异。结果 在给予无创呼吸支持1 h和6 h时,NIPPV组在减轻CO2潴留、改善氧合方面明显优于NCPAP组（P2>0.21时间（均PPP>0.05）。结论 初始即予NIPPV呼吸支持治疗早产儿NRDS,临床有效、安全,值得推广。     

经鼻持续气道正压通气治疗新生儿特发性呼吸窘迫综合征23例

目的　探讨经鼻持续气道正压 (NCPAP)通气治疗新生儿特发性呼吸窘迫综合征 (IRDS)的疗效。方法　对 2 3例具有IRDS临床表现的早产儿 ,立即采用NCPAP辅助治疗 ,比较应用NCPAP前、后 4～ 6h及2 4h临床表现及血气变化 ,并据此调节NCPAP的压力及流量 ,同时行其他综合治疗。结果　所有患儿上机前均有不同程度气促、呻吟、发绀及三凹征等临床表现。上机后 6h左右呻吟基本消失 ,2 1例 2 4h内临床表现基本缓解 ,与上机前相比 ,上机后 4～ 6h及 2 4hPaO2 明显上升 (P <0 .0 1,<0 .0 5 ) ,而PaCO2 变化不明显 (P均 >0 .0 5 )。平均使用时间 5 4 .5h。 3例改为人工呼吸器辅助通气 ,1例因家属放弃治疗而死亡。结论　使用NC PAP可有效治疗IRDS ,并发症较少 ,但应尽早使用 ,同时加强护理     

大剂量盐酸氨溴索联合新型鼻罩持续呼吸道正压通气治疗新生儿呼吸窘迫综合征

目的探讨大剂量盐酸氨溴索(沐舒坦)联合新型鼻罩持续呼吸道正压通气治疗新生儿呼吸窘迫综合征(NRDS)的疗效。方法选择NRDS患儿114例,随机分成治疗组(n=58)和对照组(n=56),两组在相同综合治疗的基础上,对照组予头罩吸氧(氧流量4~6 L/min),治疗组予大剂量沐舒坦30 mg/(kg.d),分2次用5%葡萄糖注射液20 mL稀释后静脉滴注,并联合新型鼻罩持续呼吸道正压通气(NCPAP),其参数设定为流量6~8 L/min,吸入氧浓度(FiO2)0.4~0.6,压力为5~8 cm H2O,观察两组治疗后12及48 h的临床表现及血气变化,比较pa(O2)及pa(CO2)及pa(O2)/FiO2的变化。结果治疗组44例经治疗12 h及48h后,呼吸困难和呻吟明显减轻或消失,血pa(O2)升高,pa(CO2)下降,氧合参数明显增加,其中以胸片RDS分级Ⅰ及Ⅱ级效果较佳,Ⅲ及Ⅳ级效果较差;治疗组总有效率75.8%,而对照组为26.7%,两组疗效及血气、氧合指数比较均有显著性差异。结论大剂量沐舒坦联合新型鼻罩持续呼吸道正压通气能改善通气及氧合,对新生儿RDS有较好的疗效,尤其对胸片RDS分级Ⅰ级及Ⅱ级的患儿,早期应用可避免气管插管,减少机械通气率。     

早产儿呼吸窘迫综合征经鼻间歇正压通气治疗的Meta分析

目的 评价经鼻间歇正压通气(nasal intermittent positive pressure ventilation,NIPPV)治疗早产儿呼吸窘迫综合征(respiratory distress syndrome,RDS)的临床疗效.方法 2008年1月至6月,检索PubMed、荷兰医学文摘(Embase)、OVID全文数据库、Cochrane图书馆、中国学术期刊网全文数据库(CNKI)、中国牛物医学文献数据库(CBMdisc),收集NIPPV治疗早产儿RDS的临床试验,进行质量分析,并对符合纳入标准的研究应用Revman4.2软件进行Meta分析.结果 纳入随机对照研究5篇,共284例RDS早产儿,其中在撤除气管插管呼吸机后阶段应用NIPPV与鼻塞持续正压通气(nasal continuous positive airway pressure,NCPAP)的疗效比较共3篇,Meta分析显示NIPPV组拔管失败率低于NCPAP组(8.34%vs 40.79%),差异有统计学意义[RR 0.21(95%CI:0.10～0.45;P<0.001)];3篇研究中2篇进行了支气管肺发育不良(bronchopulmonary dysplasia,BPD)的分析,Meta分析显示NIPPV组BPD患病率较低(39.34%vs 54.39%),但差异无统计学意义[RR 0.73(95%CI:0.49～1.07;P=0.11)];以NIPPV作为初始通气模式2篇,其中与气管插管常规通气(conventional ventilation,cv)模式比较1篇,NIPPV组比CV组BPD患病率低(10%vs 33.33%,P=0.04);与NCPAP比较1篇,NIPPV组比NCPAP组BPD患病率低(2.33%vs 17.07%,P=0.03).结论 NIPPV作为初始通气模式治疗早产儿RDS是可行的,NIPPV组具有较低的BPD患病率.在气管插管呼吸机拔管后阶段应用NIPPV可降低拔管失败率.     

经鼻间歇正压通气辅助呼吸治疗早产儿呼吸窘迫综合征

目的 探讨经鼻间歇正压通气(NIPPy)治疗早产儿呼吸窘迫综合征(RDS)的疗效及安全性.方法 将2010年1-12月本院收治的胎龄小于34周RDS早产儿30例设为NIPPV组,并将2009年3月-2010年11月随机抽取的胎龄小于34周RDS早产儿30例作为经鼻持续正压通气(NCPAP)组,2组患儿胎龄、出生体质量比较差异均无统计学意义.诊断RDSⅢ～Ⅳ级,无严重并发症,均接受肺表面活性物质治疗.结果 NIPPV组辅助通气时间较NCPAP组明显缩短(P＜0.05).机械通气率NIPPV组明显低于NCPAP组,且病死率及肺气漏无增加.2h时,2组呼吸机工作参数比较无统计学差异(P＞0.05),12h、24h和36h时比较差异均有统计学意义(Pa＜0.05),12h、24h和36h时吸氧体积分数比较差异均有统计学意义(Pa＜0.05).呼气末正压12h、24h和36h时比较差异均有统计学意义(Pa＜0.05).2组2h时pH比较无统计学差异(P＞0.05),而12h、24h和36h时pH的差异均有统计学意义.12h时动脉血氧分压比较无统计学差异(P＞0.05),而24h和36h均有统计学差异(Pa＜0.05).NIPPV组极低体质量儿及超极低出生体质量儿12例,NCPAP组10例,均未发生支气管肺发育不全.结论 与NCPAP比较,NIPPV治疗RDS有较好疗效,且可减少RDS患儿的气管再插管和机械通气.     

经鼻同步间歇指令通气在重度呼吸窘迫综合征早产儿撤机后的应用

目的探讨重度呼吸窘迫综合征(RDS)早产儿撤机后行经鼻同步间歇指令通气(nSIMV)的临床疗效。方法回顾性分析2013年1月至2015年5月新生儿重症监护病房住院的126例RDS早产儿的临床资料。2013年1月至2014年3月住院患儿采用经鼻持续气道正压通气(nCPAP)(61例),而2014年4月至2015年5月住院患儿采用nSIMV(65例)。比较两组治疗后血气分析指标、撤机失败率与原因及并发症的差异。结果通气治疗4h后,nSIMV组pH值、氧分压(PaO_2)、血氧饱和度(SaO_2)和氧合指数(OI)均高于nCPAP组(均P0.05);nSIMV组二氧化碳分压(PaCO_2)低于nCPAP组(P0.05)。nSIMV组和nCPAP组撤机失败率分别是9%(6/65)和30%(18/61)(P0.05),其撤机失败的原因主要有低氧血症(2%vs 5%,P0.05)、高碳酸血症(6%vs 11%,P0.05)和呼吸暂停(2%vs 13%,P0.05)。两组患儿在呼吸机支持时间、全肠道喂养时间、恢复出生体重时间和总住院时间上比较差异无统计学意义(P0.05)。治疗后nSIMV组腹胀发生率明显低于nCPAP组(9%vs 30%,P0.05),但两组喂养不耐受、坏死性小肠结肠炎、脑室内出血、早产儿视网膜病变和支气管肺发育不良的发生率比较差异无统计学意义(P0.05)。结论重度RDS早产儿撤机后采用nSIMV不仅明显改善肺通气功能,降低撤机失败率,且治疗后胃肠道副反应小,不增加并发症的发生,在临床值得推广。     

早产儿呼吸窘迫综合征经鼻间歇正压通气治疗的Meta分析

Objective To agsess the efficacy of nasal intermittent positive pressure ventilation (NIPPV)in treatment of respiratory distress syndrome(RDS) in premature infants.Methods According to the requirements of Cochrane systematic review,a thorough literature search was performed among PubMed(1977-2008),Embase(1989-2008),OVID,Cochrane(2008),Chinese Digtal Hospital Library (www.chkd.cnki.net) and Chinese Biomedical Literature Disk Database(CBMdisc).Quality assessments of clinical trials were carried out Randomized controHed trials(RCTs)with NIPPV and RDS were enrolledand ReVnlan 4.2 software was used for meta-analysis.The trials were analyzed using relatire risk(RR) for dichotomous data,weighted mean difference(WMD) were used for continuous data,both kind of data were expressed by 95% confidence intervals(95%CI).For homogenous data(P≥0.10),fixed effects model was calculated,for heterogeneity data(P<0.10),random effects model was calculated.Results Five RCTs involving 284 premature infants diagnosed as respiratory distress syndrome(RDS) were included.Three studies comparing NIPPV with nasal continuous positive airway pressure(NCPAP) in the postextubation period,tHe extabation failure rate was 8.34%vs 40.79% in NIPPV group and NCPAP group,the NIPPV group had significantly lower extubation failure rates[RR 0.21(95%CI:0.10-0.45;P<0.001)].Two of the above.mentioned three studies analyzed bronchopulmonary dysplasia(BPD)rates,the incidence of BPD was 39.34%vs 54.39%in NIPPV group and NCPAP group,the NIPPV group had a trend towards lower BPD rates,but this did not reach statistical significance[RR 0.73(95%CI:0.49-1.07;P=0.11)].NIPPV was used as primary mode in two studies,one compared with conventional ventilation(CV),which detected that the NIPPV group had significantly lower BPD rates(10% vs.33.33%,P:0.04);the other compared with NCPAP,which also showed that NIPPV group had significantly lower BPD rates(2.33% vs.17.07%,P=0.03).Conclusion The primary mode NIPPV was found to be feasible as a method of ventilation in preterm infants with RDS,and Was associated with a decreased incidenee of BPD.In the postextubation period,NIPPV is more effective in preventing failure of extubation than NCPAP.     

早产儿呼吸窘迫综合征经鼻间歇正压通气治疗的Meta分析

Objective To agsess the efficacy of nasal intermittent positive pressure ventilation (NIPPV)in treatment of respiratory distress syndrome(RDS) in premature infants.Methods According to the requirements of Cochrane systematic review,a thorough literature search was performed among PubMed(1977-2008),Embase(1989-2008),OVID,Cochrane(2008),Chinese Digtal Hospital Library (www.chkd.cnki.net) and Chinese Biomedical Literature Disk Database(CBMdisc).Quality assessments of clinical trials were carried out Randomized controHed trials(RCTs)with NIPPV and RDS were enrolledand ReVnlan 4.2 software was used for meta-analysis.The trials were analyzed using relatire risk(RR) for dichotomous data,weighted mean difference(WMD) were used for continuous data,both kind of data were expressed by 95% confidence intervals(95%CI).For homogenous data(P≥0.10),fixed effects model was calculated,for heterogeneity data(P<0.10),random effects model was calculated.Results Five RCTs involving 284 premature infants diagnosed as respiratory distress syndrome(RDS) were included.Three studies comparing NIPPV with nasal continuous positive airway pressure(NCPAP) in the postextubation period,tHe extabation failure rate was 8.34%vs 40.79% in NIPPV group and NCPAP group,the NIPPV group had significantly lower extubation failure rates[RR 0.21(95%CI:0.10-0.45;P<0.001)].Two of the above.mentioned three studies analyzed bronchopulmonary dysplasia(BPD)rates,the incidence of BPD was 39.34%vs 54.39%in NIPPV group and NCPAP group,the NIPPV group had a trend towards lower BPD rates,but this did not reach statistical significance[RR 0.73(95%CI:0.49-1.07;P=0.11)].NIPPV was used as primary mode in two studies,one compared with conventional ventilation(CV),which detected that the NIPPV group had significantly lower BPD rates(10% vs.33.33%,P:0.04);the other compared with NCPAP,which also showed that NIPPV group had significantly lower BPD rates(2.33% vs.17.07%,P=0.03).Conclusion The primary mode NIPPV was found to be feasible as a method of ventilation in preterm infants with RDS,and Was associated with a decreased incidenee of BPD.In the postextubation period,NIPPV is more effective in preventing failure of extubation than NCPAP.     

早产儿呼吸窘迫综合征经鼻间歇正压通气治疗的Meta分析

Objective To agsess the efficacy of nasal intermittent positive pressure ventilation (NIPPV)in treatment of respiratory distress syndrome(RDS) in premature infants.Methods According to the requirements of Cochrane systematic review,a thorough literature search was performed among PubMed(1977-2008),Embase(1989-2008),OVID,Cochrane(2008),Chinese Digtal Hospital Library (www.chkd.cnki.net) and Chinese Biomedical Literature Disk Database(CBMdisc).Quality assessments of clinical trials were carried out Randomized controHed trials(RCTs)with NIPPV and RDS were enrolledand ReVnlan 4.2 software was used for meta-analysis.The trials were analyzed using relatire risk(RR) for dichotomous data,weighted mean difference(WMD) were used for continuous data,both kind of data were expressed by 95% confidence intervals(95%CI).For homogenous data(P≥0.10),fixed effects model was calculated,for heterogeneity data(P<0.10),random effects model was calculated.Results Five RCTs involving 284 premature infants diagnosed as respiratory distress syndrome(RDS) were included.Three studies comparing NIPPV with nasal continuous positive airway pressure(NCPAP) in the postextubation period,tHe extabation failure rate was 8.34%vs 40.79% in NIPPV group and NCPAP group,the NIPPV group had significantly lower extubation failure rates[RR 0.21(95%CI:0.10-0.45;P<0.001)].Two of the above.mentioned three studies analyzed bronchopulmonary dysplasia(BPD)rates,the incidence of BPD was 39.34%vs 54.39%in NIPPV group and NCPAP group,the NIPPV group had a trend towards lower BPD rates,but this did not reach statistical significance[RR 0.73(95%CI:0.49-1.07;P=0.11)].NIPPV was used as primary mode in two studies,one compared with conventional ventilation(CV),which detected that the NIPPV group had significantly lower BPD rates(10% vs.33.33%,P:0.04);the other compared with NCPAP,which also showed that NIPPV group had significantly lower BPD rates(2.33% vs.17.07%,P=0.03).Conclusion The primary mode NIPPV was found to be feasible as a method of ventilation in preterm infants with RDS,and Was associated with a decreased incidenee of BPD.In the postextubation period,NIPPV is more effective in preventing failure of extubation than NCPAP.     

早产儿呼吸窘迫综合征经鼻间歇正压通气治疗的Meta分析

Objective To agsess the efficacy of nasal intermittent positive pressure ventilation (NIPPV)in treatment of respiratory distress syndrome(RDS) in premature infants.Methods According to the requirements of Cochrane systematic review,a thorough literature search was performed among PubMed(1977-2008),Embase(1989-2008),OVID,Cochrane(2008),Chinese Digtal Hospital Library (www.chkd.cnki.net) and Chinese Biomedical Literature Disk Database(CBMdisc).Quality assessments of clinical trials were carried out Randomized controHed trials(RCTs)with NIPPV and RDS were enrolledand ReVnlan 4.2 software was used for meta-analysis.The trials were analyzed using relatire risk(RR) for dichotomous data,weighted mean difference(WMD) were used for continuous data,both kind of data were expressed by 95% confidence intervals(95%CI).For homogenous data(P≥0.10),fixed effects model was calculated,for heterogeneity data(P<0.10),random effects model was calculated.Results Five RCTs involving 284 premature infants diagnosed as respiratory distress syndrome(RDS) were included.Three studies comparing NIPPV with nasal continuous positive airway pressure(NCPAP) in the postextubation period,tHe extabation failure rate was 8.34%vs 40.79% in NIPPV group and NCPAP group,the NIPPV group had significantly lower extubation failure rates[RR 0.21(95%CI:0.10-0.45;P<0.001)].Two of the above.mentioned three studies analyzed bronchopulmonary dysplasia(BPD)rates,the incidence of BPD was 39.34%vs 54.39%in NIPPV group and NCPAP group,the NIPPV group had a trend towards lower BPD rates,but this did not reach statistical significance[RR 0.73(95%CI:0.49-1.07;P=0.11)].NIPPV was used as primary mode in two studies,one compared with conventional ventilation(CV),which detected that the NIPPV group had significantly lower BPD rates(10% vs.33.33%,P:0.04);the other compared with NCPAP,which also showed that NIPPV group had significantly lower BPD rates(2.33% vs.17.07%,P=0.03).Conclusion The primary mode NIPPV was found to be feasible as a method of ventilation in preterm infants with RDS,and Was associated with a decreased incidenee of BPD.In the postextubation period,NIPPV is more effective in preventing failure of extubation than NCPAP.     

早产儿呼吸窘迫综合征经鼻间歇正压通气治疗的Meta分析

Objective To agsess the efficacy of nasal intermittent positive pressure ventilation (NIPPV)in treatment of respiratory distress syndrome(RDS) in premature infants.Methods According to the requirements of Cochrane systematic review,a thorough literature search was performed among PubMed(1977-2008),Embase(1989-2008),OVID,Cochrane(2008),Chinese Digtal Hospital Library (www.chkd.cnki.net) and Chinese Biomedical Literature Disk Database(CBMdisc).Quality assessments of clinical trials were carried out Randomized controHed trials(RCTs)with NIPPV and RDS were enrolledand ReVnlan 4.2 software was used for meta-analysis.The trials were analyzed using relatire risk(RR) for dichotomous data,weighted mean difference(WMD) were used for continuous data,both kind of data were expressed by 95% confidence intervals(95%CI).For homogenous data(P≥0.10),fixed effects model was calculated,for heterogeneity data(P<0.10),random effects model was calculated.Results Five RCTs involving 284 premature infants diagnosed as respiratory distress syndrome(RDS) were included.Three studies comparing NIPPV with nasal continuous positive airway pressure(NCPAP) in the postextubation period,tHe extabation failure rate was 8.34%vs 40.79% in NIPPV group and NCPAP group,the NIPPV group had significantly lower extubation failure rates[RR 0.21(95%CI:0.10-0.45;P<0.001)].Two of the above.mentioned three studies analyzed bronchopulmonary dysplasia(BPD)rates,the incidence of BPD was 39.34%vs 54.39%in NIPPV group and NCPAP group,the NIPPV group had a trend towards lower BPD rates,but this did not reach statistical significance[RR 0.73(95%CI:0.49-1.07;P=0.11)].NIPPV was used as primary mode in two studies,one compared with conventional ventilation(CV),which detected that the NIPPV group had significantly lower BPD rates(10% vs.33.33%,P:0.04);the other compared with NCPAP,which also showed that NIPPV group had significantly lower BPD rates(2.33% vs.17.07%,P=0.03).Conclusion The primary mode NIPPV was found to be feasible as a method of ventilation in preterm infants with RDS,and Was associated with a decreased incidenee of BPD.In the postextubation period,NIPPV is more effective in preventing failure of extubation than NCPAP.     

早产儿呼吸窘迫综合征经鼻间歇正压通气治疗的Meta分析

Objective To agsess the efficacy of nasal intermittent positive pressure ventilation (NIPPV)in treatment of respiratory distress syndrome(RDS) in premature infants.Methods According to the requirements of Cochrane systematic review,a thorough literature search was performed among PubMed(1977-2008),Embase(1989-2008),OVID,Cochrane(2008),Chinese Digtal Hospital Library (www.chkd.cnki.net) and Chinese Biomedical Literature Disk Database(CBMdisc).Quality assessments of clinical trials were carried out Randomized controHed trials(RCTs)with NIPPV and RDS were enrolledand ReVnlan 4.2 software was used for meta-analysis.The trials were analyzed using relatire risk(RR) for dichotomous data,weighted mean difference(WMD) were used for continuous data,both kind of data were expressed by 95% confidence intervals(95%CI).For homogenous data(P≥0.10),fixed effects model was calculated,for heterogeneity data(P<0.10),random effects model was calculated.Results Five RCTs involving 284 premature infants diagnosed as respiratory distress syndrome(RDS) were included.Three studies comparing NIPPV with nasal continuous positive airway pressure(NCPAP) in the postextubation period,tHe extabation failure rate was 8.34%vs 40.79% in NIPPV group and NCPAP group,the NIPPV group had significantly lower extubation failure rates[RR 0.21(95%CI:0.10-0.45;P<0.001)].Two of the above.mentioned three studies analyzed bronchopulmonary dysplasia(BPD)rates,the incidence of BPD was 39.34%vs 54.39%in NIPPV group and NCPAP group,the NIPPV group had a trend towards lower BPD rates,but this did not reach statistical significance[RR 0.73(95%CI:0.49-1.07;P=0.11)].NIPPV was used as primary mode in two studies,one compared with conventional ventilation(CV),which detected that the NIPPV group had significantly lower BPD rates(10% vs.33.33%,P:0.04);the other compared with NCPAP,which also showed that NIPPV group had significantly lower BPD rates(2.33% vs.17.07%,P=0.03).Conclusion The primary mode NIPPV was found to be feasible as a method of ventilation in preterm infants with RDS,and Was associated with a decreased incidenee of BPD.In the postextubation period,NIPPV is more effective in preventing failure of extubation than NCPAP.     

早产儿呼吸窘迫综合征经鼻间歇正压通气治疗的Meta分析

Objective To agsess the efficacy of nasal intermittent positive pressure ventilation (NIPPV)in treatment of respiratory distress syndrome(RDS) in premature infants.Methods According to the requirements of Cochrane systematic review,a thorough literature search was performed among PubMed(1977-2008),Embase(1989-2008),OVID,Cochrane(2008),Chinese Digtal Hospital Library (www.chkd.cnki.net) and Chinese Biomedical Literature Disk Database(CBMdisc).Quality assessments of clinical trials were carried out Randomized controHed trials(RCTs)with NIPPV and RDS were enrolledand ReVnlan 4.2 software was used for meta-analysis.The trials were analyzed using relatire risk(RR) for dichotomous data,weighted mean difference(WMD) were used for continuous data,both kind of data were expressed by 95% confidence intervals(95%CI).For homogenous data(P≥0.10),fixed effects model was calculated,for heterogeneity data(P<0.10),random effects model was calculated.Results Five RCTs involving 284 premature infants diagnosed as respiratory distress syndrome(RDS) were included.Three studies comparing NIPPV with nasal continuous positive airway pressure(NCPAP) in the postextubation period,tHe extabation failure rate was 8.34%vs 40.79% in NIPPV group and NCPAP group,the NIPPV group had significantly lower extubation failure rates[RR 0.21(95%CI:0.10-0.45;P<0.001)].Two of the above.mentioned three studies analyzed bronchopulmonary dysplasia(BPD)rates,the incidence of BPD was 39.34%vs 54.39%in NIPPV group and NCPAP group,the NIPPV group had a trend towards lower BPD rates,but this did not reach statistical significance[RR 0.73(95%CI:0.49-1.07;P=0.11)].NIPPV was used as primary mode in two studies,one compared with conventional ventilation(CV),which detected that the NIPPV group had significantly lower BPD rates(10% vs.33.33%,P:0.04);the other compared with NCPAP,which also showed that NIPPV group had significantly lower BPD rates(2.33% vs.17.07%,P=0.03).Conclusion The primary mode NIPPV was found to be feasible as a method of ventilation in preterm infants with RDS,and Was associated with a decreased incidenee of BPD.In the postextubation period,NIPPV is more effective in preventing failure of extubation than NCPAP.