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Transtracheal ventilation with oscillatory pressure for complete upper airway obstruction. 1988

E Goldman, and J S McDonald, and S S Peterson, and M C Stock, and R Betts, and D Frolicher
Department of Anesthesiology, Ohio State University College of Medicine, Columbus 43210.

Another study documented that percutaneous transtracheal ventilation with a special 3.5-mm I.D. cannula was possible in experimental complete upper airway obstruction (CAO) using Ambu-assisted ventilation. The effects of ventilation during CAO by occlusion of the endotracheal tube was evaluated by use of a portable oscillatory pressure device (POPD) attached to a 10-g (I.D. 2.4 mm) angiocath catheter inserted through the tracheal wall. Eight pigs were anesthetized and ventilated with the POPD for 15 minutes after CAO with a mean peak airway pressure of 14 cm H2O and continuous positive airway pressure of 5-7 cm H2O, tidal volume below 100 ml, and a rate below 0.5 Hz. A Venturi delivered an FIO2 of 0.68-0.92. All eight showed markedly stable blood gases and cardiovascular parameters (heart rate and systemic and pulmonary arterial pressures). A similar trend was obtained in a separate group of four pigs ventilated with an Ambu bag for 30 minutes; however, the PO2 was lower. In the control group, asphyxia after CAO produced cardiorespiratory failure in every animal in less than 6 minutes. Low-frequency ventilation with a POPD for CAO ensures adequate gas exchange using a standard transtracheal catheter of only 2.4 mm I.D.

UI MeSH Term Description Entries
D007442 Intubation, Intratracheal A procedure involving placement of a tube into the trachea through the mouth or nose in order to provide a patient with oxygen and anesthesia. Intubation, Endotracheal,Endotracheal Intubation,Endotracheal Intubations,Intratracheal Intubation,Intratracheal Intubations,Intubations, Endotracheal,Intubations, Intratracheal
D011175 Positive-Pressure Respiration A method of mechanical ventilation in which pressure is maintained to increase the volume of gas remaining in the lungs at the end of expiration, thus reducing the shunting of blood through the lungs and improving gas exchange. Positive End-Expiratory Pressure,Positive-Pressure Ventilation,End-Expiratory Pressure, Positive,End-Expiratory Pressures, Positive,Positive End Expiratory Pressure,Positive End-Expiratory Pressures,Positive Pressure Respiration,Positive Pressure Ventilation,Positive-Pressure Respirations,Positive-Pressure Ventilations,Pressure, Positive End-Expiratory,Pressures, Positive End-Expiratory,Respiration, Positive-Pressure,Respirations, Positive-Pressure,Ventilation, Positive-Pressure,Ventilations, Positive-Pressure
D011659 Pulmonary Gas Exchange The exchange of OXYGEN and CARBON DIOXIDE between alveolar air and pulmonary capillary blood that occurs across the BLOOD-AIR BARRIER. Exchange, Pulmonary Gas,Gas Exchange, Pulmonary
D001794 Blood Pressure PRESSURE of the BLOOD on the ARTERIES and other BLOOD VESSELS. Systolic Pressure,Diastolic Pressure,Pulse Pressure,Pressure, Blood,Pressure, Diastolic,Pressure, Pulse,Pressure, Systolic,Pressures, Systolic
D004867 Equipment Design Methods and patterns of fabricating machines and related hardware. Design, Equipment,Device Design,Medical Device Design,Design, Medical Device,Designs, Medical Device,Device Design, Medical,Device Designs, Medical,Medical Device Designs,Design, Device,Designs, Device,Designs, Equipment,Device Designs,Equipment Designs
D006339 Heart Rate The number of times the HEART VENTRICLES contract per unit of time, usually per minute. Cardiac Rate,Chronotropism, Cardiac,Heart Rate Control,Heartbeat,Pulse Rate,Cardiac Chronotropy,Cardiac Chronotropism,Cardiac Rates,Chronotropy, Cardiac,Control, Heart Rate,Heart Rates,Heartbeats,Pulse Rates,Rate Control, Heart,Rate, Cardiac,Rate, Heart,Rate, Pulse
D000402 Airway Obstruction Any hindrance to the passage of air into and out of the lungs. Choking,Airway Obstructions,Obstruction, Airway,Obstructions, Airway
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013552 Swine Any of various animals that constitute the family Suidae and comprise stout-bodied, short-legged omnivorous mammals with thick skin, usually covered with coarse bristles, a rather long mobile snout, and small tail. Included are the genera Babyrousa, Phacochoerus (wart hogs), and Sus, the latter containing the domestic pig (see SUS SCROFA). Phacochoerus,Pigs,Suidae,Warthogs,Wart Hogs,Hog, Wart,Hogs, Wart,Wart Hog

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