CPAP的治疗进展及常见问题-陈宝元（精选）

气流支撑机制”,防止气道塌陷?增加肺容量,间接扩张上呼吸道。?刺激上气道的压力及机械性感受器,使上气道扩张肌的张力增加。?消除局部组织水肿,减小咽侧壁的厚度?提高呼吸中枢对低氧及高CO2的敏感性,改善呼吸调节功能。Р气道正压无创通气技术治疗机制РFlowРPressureРVolumeРCPAPР1981РFlowРPressureРVolumeРBiPAPР1991РBILEVEL ModeРExspirationРInspirationРInspirationРPressureРTimeРBILEVEL S BILEVEL ST BILEVEL TРBILEVEL SРBILEVEL S (Spontaneous) ?The system switches between the prescribed pressures EPAP and IPAPРPressureРTimeРFlowРfort Therapy ModeРDeveloped for reduction of respiration work ?For prevention of snoring obstructive sleep apneaРInspirationРExspirationРNasal FlowРCPAP-PressureРAuto-CPAP FOT,Flow,SnoringРArtifact detectionРSignalsРEventsРCentral eventsРVolume ContourРObstructive eventsРSevere Obstructions? Slight Obstructions? Incipient ObstructionsРFlowРSnoringРFOTРPressure AdjustmentРPressure reactionРpРEvent