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pressure-controlled ventilation
相关语句
  压力控制通气
     ObjectiveTo establish the model of seawater respiratory distress syndrome (SW-RDS) in canine and investigate the effect of pressure-controlled ventilation and inhaled nitric oxide on respiratory function in SW-RDS.
     建立稳定的海水型呼吸窘迫综合征(seawater respiratory distress syndrome,SW-RDS)犬模型,研究压力控制通气(pressure-controlled ventilation,PCV)模式和压力控制通气联合一氧化氮吸入对海水淹溺后发生海水型呼吸窘迫综合征的疗效和呼吸功能的影响。
短句来源
     Effect of Pressure-Controlled Ventilation and Inhaled Nitric Oxide on Gas Exchange in Seawater Respiratory Distress Syndrome Model
     压力控制通气及联合一氧化氮吸入对海水型呼吸窘迫综合征的疗效观察
短句来源
     4.Pressure-controlled ventilation and combined with inhaled nitric oxide can't improve the pul
     (四)压力控制通气及联合NO吸入均不能够明显改善SW-RDS的病理学表现。
短句来源
     Objective Inspiratory pressures and air leak were compared between volume-controlled ventilation (VCV) and pressure-controlled ventilation (PCV) using laryngeal mask airway (LMA).
     目的 比较小儿喉罩通气时压力控制通气(PCV)和容量控制通气(VCV)对气道压力 和喉罩漏气的影响。
短句来源
  压力控制
     ObjectiveTo establish the model of seawater respiratory distress syndrome (SW-RDS) in canine and investigate the effect of pressure-controlled ventilation and inhaled nitric oxide on respiratory function in SW-RDS.
     建立稳定的海水型呼吸窘迫综合征(seawater respiratory distress syndrome,SW-RDS)犬模型,研究压力控制通气(pressure-controlled ventilation,PCV)模式和压力控制通气联合一氧化氮吸入对海水淹溺后发生海水型呼吸窘迫综合征的疗效和呼吸功能的影响。
短句来源
     Effect of Pressure-Controlled Ventilation and Inhaled Nitric Oxide on Gas Exchange in Seawater Respiratory Distress Syndrome Model
     压力控制通气及联合一氧化氮吸入对海水型呼吸窘迫综合征的疗效观察
短句来源
     4.Pressure-controlled ventilation and combined with inhaled nitric oxide can't improve the pul
     (四)压力控制通气及联合NO吸入均不能够明显改善SW-RDS的病理学表现。
短句来源
     Objective Inspiratory pressures and air leak were compared between volume-controlled ventilation (VCV) and pressure-controlled ventilation (PCV) using laryngeal mask airway (LMA).
     目的 比较小儿喉罩通气时压力控制通气(PCV)和容量控制通气(VCV)对气道压力 和喉罩漏气的影响。
短句来源
     Objective: Inspiratory pressures and air leak were compared between pressure-controlled ventilation (PCV) and volume-controlled ventilation (VCV) using laryngeal mask airway.
     目的:比较乳房手术喉罩通气压力控制呼吸(PCV)与容量控制呼吸(VCV)模式对心血管、气道压力与漏气率的影响。
短句来源
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  pressure-controlled ventilation
To obtain basic data on pressure-controlled ventilation (PCV) via a minitracheostomy tube (MTT), we conducted an experimental study using a mechanical lung model.
      
Pressure-Controlled Ventilation Via a Minitracheostomy Tube: Experimental Study Using a Mechanical Lung Model
      
Pressure-controlled Ventilation Does Not Improve Gas Exchange in Morbidly Obese Patients Undergoing Abdominal Surgery
      
Regional lung derecruitment after endotracheal suction during volume- or pressure-controlled ventilation: a?study using electric
      
Patients and methods: Twenty-five adult, non-COPD patients with stable blood gas values (PaO2/FIO2 ≥ 180 on the day of the study) on pressure-controlled ventilation (PCV).
      
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Objective:To study the therapeutic effects of pressure controlled ventilation on posttraumatic acute respiratory distress syndrome(ARDS).Methods:Eighteen patients with posttraumatic ARDS were included in the study.The patients received mechanical ventilation immediately after admission and were randomly divided into two groups:pressure controlled ventilation (PCV) group (n=8) and volume controlled ventilation (VCV) group (n=10).Peak airway pressure (PIP),mean airway pressure (MPaw) and...

Objective:To study the therapeutic effects of pressure controlled ventilation on posttraumatic acute respiratory distress syndrome(ARDS).Methods:Eighteen patients with posttraumatic ARDS were included in the study.The patients received mechanical ventilation immediately after admission and were randomly divided into two groups:pressure controlled ventilation (PCV) group (n=8) and volume controlled ventilation (VCV) group (n=10).Peak airway pressure (PIP),mean airway pressure (MPaw) and positive endexpiratory pressure(PEEP) at 6 hour (PTh6) and 12 hour (PTh12) after treatment in the two groups were recorded and compared.Blood gas analysis,blood pressure,heart and respiratory rates were compared before and after PCV treatment.Results:PIP in PCV group at PTh6 and PTh12 were (2 24±0 12)kPa (1 kPa=10 20 cmH 2O) and (1 98±0 08)kPa,respectively,and were significantly lower than those in the VCV group (both P<0 01).The MPaw and PEEP in PCV group at PTh6 were (1 12 ±0 09)kPa and (0 79±0 12)kPa,respectively,and showed no significant difference with those in the VCV group (both P>0 05).But the two parameters at PTh12 in PCV group,which were (0 85±0 08) kPa and (0 55±0 04) kPa respectively,were significantly lower than those in the VCV group (P0 05 and P<0 01).The blood gas analysis,heart and respiratory rates were obviously improved in PCV treatment group,and no significant changes in blood pressure was observed.Conclusions:PCV can significantly lower the PIP level with no disturbance to MPaw,PEEP and hemodynamics.It is useful in the treatment of posttraumatic ARDS.

目的 :探讨压力控制通气 (PCV)用于治疗创伤性急性呼吸窘迫综合征 (ARDS)的临床应用价值。方法 :观察创伤性 ARDS患者 PCV组和容量控制通气 (VCV)治疗后 6和 12小时气道峰压 (PIP) ,平均气道压(MPaw)和呼气末正压 (PEEP)的大小 ,并比较 PCV治疗对血气、血压和心率的影响。结果 :PCV组治疗后 6和12小时 PIP均显著低于 VCV组 (P均 <0 .0 1) ,6小时 MPaw和 PEEP与 VCV比较无显著差异 (P均 >0 .0 5 ) ,而 12小时 PCV组 MPaw和 PEEP均显著低于 VCV组 (P<0 .0 5和 P<0 .0 1)。 PCV组治疗后血气分析、心率和呼吸显著改善 ,血压无明显变化。结论 :PCV治疗创伤性 ARDS能显著降低 PIP,并不增加 MPaw和PEEP值 ,对血流动力学也无明显影响

Objective To observe the effect of inverse ratio ventilation (IRV) on hemodynamics and oxygen metabolism in sheep with acute respiratory distress syndrome (ARDS). Methods Twelve ARDS sheep induced by LPS were admitted to this study,and received mechanical ventilation with volume controlled (VC) and pressure controlled ventilation (PC) (conventional ratio and inverse ratio) at the same level of total positive end expiratory pressure (PEEPt),data of hemodynamics and oxygen metabolism were collected...

Objective To observe the effect of inverse ratio ventilation (IRV) on hemodynamics and oxygen metabolism in sheep with acute respiratory distress syndrome (ARDS). Methods Twelve ARDS sheep induced by LPS were admitted to this study,and received mechanical ventilation with volume controlled (VC) and pressure controlled ventilation (PC) (conventional ratio and inverse ratio) at the same level of total positive end expiratory pressure (PEEPt),data of hemodynamics and oxygen metabolism were collected at 30 min after the onset of each mode. Results With PC,peak airway pressure was lower than that with VC,but mean airway pressure was higher with IRV. At the same level of PEEPt,there was no difference in hemodynamics and oxygen metabolism between VC and VC IRV,same as PC and PC IRV But compared with VC,arterial oxygen pressure and arterial oxygen saturation with PC IRV were lower significantly ( P <0 05). Conclusion PEEPt was a very important factor to improve oxygenation,short term IRV was not better than VC or PC

目的 探讨反比通气 (IRV)对急性呼吸窘迫综合征 (ARDS)绵羊血流动力学及氧代谢的影响。方法 总呼气末正压 (PEEPt)相同条件下 ,观察压力控制 (PC) /容量控制 (VC)正比和反比通气 (IRV)对血流动力学及氧代谢的影响。结果 与VC及VC IRV比较 ,PC及PC IRV时的气道峰值压力明显降低。但IRV时的平均气道压力明显高于正比通气 (P <0 0 5 )。VC IRV与VC及PC IRV与PC比较 ,血流动力学及氧代谢均无明显差异。实施PC IRV时 ,内源性呼气末正压为 (3 0± 1 0 )cmH2 O ,显著高于VC (2 1± 0 8)cmH2 O(P <0 0 5 )。PEEPt相同的前提下 ,PC IRV时动脉血氧饱和度 (SaO2 )为 90 % ,显著低于VC(96 % ) (P <0 0 5 )。结论 在PEEPt相同的前提下 ,无论是VC IRV还是PC IRV ,均不优于常规正比通气。PEEPt是影响氧合的主要因素

Objective To investigate the effects of different modes of mechanical ventilation on lung function during open heart surgery in children with pulmonary hypertension (PH). Methods Twenty-four patients with moderate PH aged 3 mon-12 yr 2mon (group M) and twenty-four patients with severe PH aged 3 mon-7yr 9mon (group S) were further divided randomly into 3 subgroups based on the modes of mechanical ventilation used: pressure-controlled ventilation(PCV) only and alveolar pressure (Palveo) was maintained at...

Objective To investigate the effects of different modes of mechanical ventilation on lung function during open heart surgery in children with pulmonary hypertension (PH). Methods Twenty-four patients with moderate PH aged 3 mon-12 yr 2mon (group M) and twenty-four patients with severe PH aged 3 mon-7yr 9mon (group S) were further divided randomly into 3 subgroups based on the modes of mechanical ventilation used: pressure-controlled ventilation(PCV) only and alveolar pressure (Palveo) was maintained at 0 cm H2O during CPB (group M1/S1 n = 8); PCV + PEEP (2 cm H2O) and Palveo was maintained at 2 cm H2O during CPB (group M2/S2 n = 8); and PCV+ PEEP (4 cm H2O) and Palveo was maintained at 4 cm H2O during CPB (group M3/S3 n=8). The patients were premedicated with atropine 0.01 mg ·kg -1 and midazolam 0. 1 mg·kg-1 . Anesthesia was induced with fentanyl 20μg·kg-1 and vecuronium 0. 1 mg·kg-1 and maintained with vecuronium infusion(70μg·kg-1·h-1 ) and inhalation of N2O-O2 and isoflurane. The children were mechanically ventilated after intubation and the ventilatory parameters were VT = 10-12 ml ?kg-1, F = 20 bpm and I : E = 1: 2. Lungs were lavaged and 2-3 ml of aspirate were taken for determination of surfactant. Total protein (TP), total phospholipid -(TPL), saturated phosphatidylcholine (Sat PC) and respiratory system compliance(Crs) was measured before skin incision( T0 ), before CPB (T,), at the end of CPB ( T2) and at the end of surgery(T3 ) . Results (1) Crs decreased significantly at T2 and T3 as compared with that at T0 and T1 in group M1/S1 and M2/S2 but in group M3/S3 there was no significant difference in Crs between T0, T1 and T2-3. (2) Sat PC/TPL and Sat PC/TP decreased significantly after CPB (T2, T3 ) in group M,/S, and M2/S2 but in group M3/S3 there was no significant difference in Sat PC/TP and Sat PC/TPL between T0-1 and T2-3. Conclusion PEEP 4 cm H2O can effectively prevent postoperative lung function from worsening in children with pulmonary hypertension undergoing open heart surgery with CPB.

目的 观察小儿先心肺高压在心内直视手术麻醉期间,不同通气模式对呼吸功能的影响。方法 将24例中度肺高压(M组)和24例重度肺高压(S组)的先心病患儿随机各分为三组:M1、S1组为PCV通气组;M2、S2组为PCV+PEEP(2cm H2O)通气组;M3、S3组为PCV+PEEP(4cmH2O)通气组。测定各组各时点的呼吸系统总顺应性(Crs)及肺表面活性物质(PS)生化指标。结果与诱导插管后、体外循环(CPB)转流前比较,M1、M2组以及S1、S2组体外循环转流后和术毕的Crs值有显著下降(P<0.01),而 M3和S3组前后比较则Crs值无明显改变;M1、M2组以及S1、S2组体外循环转流后和术毕的SatPC/TP、SatPC/TPL比值下降显著(M1、S2组,P<0.01;M2、S2组,P<0.05),而M3和S3组SatPC/TP、SatPC/TPL比值无明显改变。结论 采用4cm H2O的PEEP对于防止术后肺功能的进一步恶化有效。

 
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