![]() ![]() Provides digital feedback on ventilation, drug levels, patient status, and fresh gas usage.The GE Aisys software is easily upgradable to enhance the functionality, add support, and enhance data management. ![]() Data capabilities enable digital interfacing of patient and Carestation information.Ventilation, vaporization and gas delivery are electronically controlled and monitored.These create a easily visible feedback loop for increased patient safety. The Datex-Ohmeda Aisys also includes rising multi-breath bellows. The built in Advanced Breathing System (ABS) allows for low circuit volumes, which optimizes the machine for low flow anesthesia. Ventilators, vaporizers, and gas delivery are digitally controlled and integrated data management provide real time patient and system information as well as data exchange. The GE Aisys Carestation anesthesia system’s precision controls significantly streamline advanced care. A clinical engineer noticed that there was water condensation in the corrugated tubing of the respiratory circuit.Significant Savings on the Professionally Refurbished GE Aisys Carestation ETCO 2 gradually decreased to 34 mmHg, and subsequent perioperative course was uneventful. After replacement of this assembly, tidal volume and peak airway pressure returned to initial values (600 ml and 19 cmH 2O) within 10 min of recognition of the problem. A respiratory assembly which includes inspiratory and expiratory flow sensors was replaced. We suspected that value of tidal volume shown on the monitor may be incorrect. Measured tidal volume was 1000 ml when the lungs were inflated to 19 cmH 2O. PCV-VG mode was turned off, and patient’s lungs were ventilated manually. At this time, tidal volume was 800 ml and peak inspiratory pressure had been automatically reduced to 12 cmH 2O. Then, ETCO 2 gradually increased towards 50 mmHg in approximately 15 min. In the initial three and a half hours, ventilation status was stable with measured tidal volume of 490 ml, peak inspiratory pressure was 19 cmH 2O, and partial pressure of end-tidal carbon dioxide (ETCO 2) was between 30 and 35 mmHg. For intraoperative ventilation, PCV-VG mode was set to deliver tidal volume of 500 mL, approximately 7 ml per patient’s body weight. A hydrophobic filter had not been placed in the respiratory circuit. During craniotomy for a brain tumor, anesthesia had been maintained by low-flow desflurane (fresh gas flow 0.5 l per minute). ![]()
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January 2023
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