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pressure controlled ventilation    
相关语句
  压力控制通气
    Methods Sixty obese patients for laparoscopy were divided into three groups with 20 patients in each group, receiving volume controlled ventilation (VCV Group), or pressure controlled ventilation (PCV Group), or pressure controlled ventilation with positive end-expiratory pressure (PCV+PEEP Group).
    方法选择60例行腹部腹腔镜手术的肥胖患者,按手术日期分为3组:容量控制通气(volume control ventilation,VCV)组,压力控制通气(pressure control ventilation,PCV)组,压力控制通气联合呼气末正压通气(pressure control ventilation and positive end expiratorypressure,PCV+PEEP)组,每组20例。
短句来源
    Clinical Research on Treatment of Severe Traumatic Wet Lung Using Pressure Controlled Ventilation
    压力控制通气治疗重症创伤性湿肺的临床研究
短句来源
    Treatment of post traumatic acute respiratory distress syndrome using pressure controlled ventilation
    压力控制通气治疗创伤性急性呼吸窘迫综合征的应用探讨
短句来源
    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.
    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。
短句来源
    Objective To study the therapeutic effects of pressure controlled ventilation on post car-diotomy patients with cardiopulmonary bypass.
    目的探讨压力控制通气模式在体外循环术后患者的临床应用价值。
短句来源
更多       
  压力控制通气
    Methods Sixty obese patients for laparoscopy were divided into three groups with 20 patients in each group, receiving volume controlled ventilation (VCV Group), or pressure controlled ventilation (PCV Group), or pressure controlled ventilation with positive end-expiratory pressure (PCV+PEEP Group).
    方法选择60例行腹部腹腔镜手术的肥胖患者,按手术日期分为3组:容量控制通气(volume control ventilation,VCV)组,压力控制通气(pressure control ventilation,PCV)组,压力控制通气联合呼气末正压通气(pressure control ventilation and positive end expiratorypressure,PCV+PEEP)组,每组20例。
短句来源
    Clinical Research on Treatment of Severe Traumatic Wet Lung Using Pressure Controlled Ventilation
    压力控制通气治疗重症创伤性湿肺的临床研究
短句来源
    Treatment of post traumatic acute respiratory distress syndrome using pressure controlled ventilation
    压力控制通气治疗创伤性急性呼吸窘迫综合征的应用探讨
短句来源
    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.
    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。
短句来源
    Objective To study the therapeutic effects of pressure controlled ventilation on post car-diotomy patients with cardiopulmonary bypass.
    目的探讨压力控制通气模式在体外循环术后患者的临床应用价值。
短句来源
更多       
  压力控制通气
    Methods Sixty obese patients for laparoscopy were divided into three groups with 20 patients in each group, receiving volume controlled ventilation (VCV Group), or pressure controlled ventilation (PCV Group), or pressure controlled ventilation with positive end-expiratory pressure (PCV+PEEP Group).
    方法选择60例行腹部腹腔镜手术的肥胖患者,按手术日期分为3组:容量控制通气(volume control ventilation,VCV)组,压力控制通气(pressure control ventilation,PCV)组,压力控制通气联合呼气末正压通气(pressure control ventilation and positive end expiratorypressure,PCV+PEEP)组,每组20例。
短句来源
    Clinical Research on Treatment of Severe Traumatic Wet Lung Using Pressure Controlled Ventilation
    压力控制通气治疗重症创伤性湿肺的临床研究
短句来源
    Treatment of post traumatic acute respiratory distress syndrome using pressure controlled ventilation
    压力控制通气治疗创伤性急性呼吸窘迫综合征的应用探讨
短句来源
    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.
    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。
短句来源
    Objective To study the therapeutic effects of pressure controlled ventilation on post car-diotomy patients with cardiopulmonary bypass.
    目的探讨压力控制通气模式在体外循环术后患者的临床应用价值。
短句来源
更多       
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  pressure controlled ventilation
The proposed theoretical approach shows the viability, for adult settings, of one of the simplest mathematical model for mechanical ventilation in order to quickly and safely switch from volume controlled to pressure controlled ventilation.
      
Linear Model and Algorithm to Automatically Estimate the Pressure Limit of Pressure Controlled Ventilation for Delivering a Targ
      
The ALV controller uses a pressure controlled ventilation mode.
      
It is based on a pressure controlled ventilation mode.
      
Sowohl ?continuous positive airway pressure" (CPAP) als auch die Beatmungsmodi ?pressure controlled ventilation" (PCV) und ?pressure support ventilation" (PSV) gelten heute beim akuten Lungen?dem als ?evidence based" Therapiestandard.
      
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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...

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 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...

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。

Objective: To investigate the changes of haemodynamics, pulmonary mechanics and blood gas in volume controlled and pressure controlled ventilatory patterns during one-lung ventilation (OLV). Methods: 20 patients with patent ductus arteriosus (PDA) underwent left thoracotomy PDA ligation with right OLV. The patients were divided into three groups: two-lung ventilation with volume controlled (TLV-VCV), one-lung ventilation with volume controlled (OLV-VCV), and one-lung...

Objective: To investigate the changes of haemodynamics, pulmonary mechanics and blood gas in volume controlled and pressure controlled ventilatory patterns during one-lung ventilation (OLV). Methods: 20 patients with patent ductus arteriosus (PDA) underwent left thoracotomy PDA ligation with right OLV. The patients were divided into three groups: two-lung ventilation with volume controlled (TLV-VCV), one-lung ventilation with volume controlled (OLV-VCV), and one-lung ventilation with pressure controlled (OLV-PCV). After two-lung ventilation with VCV, one-lung ventilation was started by VCV and the ventilation mode was then switched to PCV. All measurements were made 25 min after initiation of the ventilation mode. The respiratory mechanics index was measured by side stream spirometry (SSS), including peak airway pressure (Ppeak), plateau pressure (Pplat), airway resistance (Raw), lung compliance (Cdyn) and inspiratory and expiratory minute ventilation (Mvi, Mve). Cardiac output (CO), stroke volume (SV), systemic vascular resistance (SVR), left ventricular ejectiontime (LVETi), and aortic blood flow acceleration (ACC) were also measured, by using the transesophageal Doppler (TED) monitor. Arterial blood gases was determined in every ventilation mode. Results: Ppeak、Pplat and Raw were significantly higher during OLV-VCV than that during TLV-VCV (P<0.01), whereas Cdyn was significantly lower (P<0.01). CO and SV decreased and SVR increased during OLV-VCV (P<0.05). Arterial oxygen pressure (PaO 2) significantly decreased during OLV-VCV (P<0.01). While PaO 2 was significantly increased during OLV-PCV (P<0.05). Conclusion: Haemodynamics, respiratory mechanics and arterial oxygen tension declines result in hypoxemia during one-lung ventilation. Pressure controlled ventilation appeared to be a better alternative.

目的 探讨小儿单肺通气期间采用定容 (VCV)和定压 (PCV)两种不同通气模式对血流动力学、呼吸力学及血气的影响。方法 按美国麻醉协会病人全身情况评估 (ASA)I~II级择期行结扎术的先天性动脉导管未闭 (PDA)病儿 2 0例 ,麻醉诱导后气管插管 ,右侧卧位 ,先行双肺定容通气 (TLV VCV) ,再采用右肺单肺定容通气 (OLV VCV) ,2 5min后改为单肺定压通气 (OLV PCV) ,用旁气流通气监测法 (SSS)监测TLV VCV、OLV VCV、OLV PCV期间的呼吸力学参数 (Ppeak、Pplat、Raw、Cdyn、Mvi、Mve) ,同时经食管超声多普勒 (TED)监护仪连续监测血流动力学参数 (CO、SVR、SV、LVETi、ACC) ,并取动脉血作血气分析 (PaO2 、PaCO2 )。结果 单肺定容通气与双肺定容通气相比 ,Ppeak、Pplat、Raw显著增高 (P <0 0 1) ,Cdyn显著下降 (P <0 0 1) ;CO、SV显著下降 (P <0 0 5 ) ,SVR显著增加 (P <0 0 5 ) ;动脉血PaO2 显著下降 (P <0 0 1)...

目的 探讨小儿单肺通气期间采用定容 (VCV)和定压 (PCV)两种不同通气模式对血流动力学、呼吸力学及血气的影响。方法 按美国麻醉协会病人全身情况评估 (ASA)I~II级择期行结扎术的先天性动脉导管未闭 (PDA)病儿 2 0例 ,麻醉诱导后气管插管 ,右侧卧位 ,先行双肺定容通气 (TLV VCV) ,再采用右肺单肺定容通气 (OLV VCV) ,2 5min后改为单肺定压通气 (OLV PCV) ,用旁气流通气监测法 (SSS)监测TLV VCV、OLV VCV、OLV PCV期间的呼吸力学参数 (Ppeak、Pplat、Raw、Cdyn、Mvi、Mve) ,同时经食管超声多普勒 (TED)监护仪连续监测血流动力学参数 (CO、SVR、SV、LVETi、ACC) ,并取动脉血作血气分析 (PaO2 、PaCO2 )。结果 单肺定容通气与双肺定容通气相比 ,Ppeak、Pplat、Raw显著增高 (P <0 0 1) ,Cdyn显著下降 (P <0 0 1) ;CO、SV显著下降 (P <0 0 5 ) ,SVR显著增加 (P <0 0 5 ) ;动脉血PaO2 显著下降 (P <0 0 1)。单肺定压通气与单肺定容通气相比 ,动脉血PaO2 显著上升 (P <0 0 5 )。结论 单肺通气可使气道压力阻力增加 ,肺顺应性下降 ,动脉血氧分压降低 ,外周血管阻力增加 ,心输出量下降 ;小儿单肺通气期间 ,采取定压通气模式 ,有利于改善肺泡氧合 ,预防和减轻单肺通气造成的低氧血症。

 
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