Respiratory dataset from PEEP study with expiratory occlusion

A trial was conducted to collect gauge pressure and flow from a venturi-based flow-meter, dynamic abdominal and thoracic circumference from rotary-encoder based tape measures, and aeration data from electrical impedance tomography (EIT). Data was collected from 80 adults, breathing with continuous positive airway pressure (CPAP) ventilation, under ethical consent from the University of Canterbury Human Research Ethics Committee (HREC 2023/04/LR-PS). In each subject's recording the positive end expiratory pressure (PEEP) was increased from 4 to 12 cmH2O in 0.5 cmH2O increments, with data recorded for 30 seconds at each level. Time was built in for researchers to change PEEP settings, in which data continued to be collected. The recording also begins and ends with a 60 second period of breathing without CPAP. During the trial subjects breathed through a full-face mask and filter collected to the data collection device and, when PEEP was applied, CPAP circuitry. A camera-shutter based device was used to rapidly occlude the expiratory pathway to enable identification of passive lung mechanics. Subjects were instructed to breathe normally throughout the trial. Both raw and processed data is included in this publication to maximise its utility. Subject demographic data was self- reported using a questionnaire completed prior to each trial and is collated in a spreadsheet as part of this dataset. The demographic data collected was as follows: sex; height; weight; age; any history of asthma; smoking, or vaping; and resting chest width and depth. Ultimately, this dataset was collected to enable the development and validation of model-based respiratory function assessment methods. These methods aim to increase the capacity of automated testing, removing clinical burden of respiratory monitoring and improving patient-specific care.