Nettet23. mar. 2024 · Citation, DOI, disclosures and article data. Prone high-resolution CT (HRCT) chest corresponds to an additional CT acquisition performed as part of an … Nettetinspiratory CT scans were independently evaluated with a window width of 1,400 and a level of 500 Hounsfield units, with readers blinded to clinical information.9 We used a sequential reading system described in e-Appendix 1.10 Briefly, a first reader identified and scored luminal plugging for each CT scan. All positive and
P0.1 and Extubation Failure in Critically Ill Patients
NettetThe end-inspiratory helical scan (170 mAs, 120 kVp, 2.5-mm collimation, high-speed mode, and pitch equivalent of 1.5) was obtained first in all patients and was followed by … Nettet3. aug. 2024 · Quantitative Computed Tomography. Patients were randomly assigned to undergo inspiratory and expiratory nonenhanced CT for emphysema evaluation on one of two CT scanners (Light Speed Ultra 8 or Revolution EVO, both General Electric Healthcare, Chicago, IL, USA) with the same protocol (supine position, two scans of the … st margaret\u0027s bay medical clinic
Airway dimensions at inspiratory and expiratory multisection CT in ...
Nettet1. okt. 2024 · The sum of the CT dose index volume for inspiratory and expiratory CT in the supine, standing, and sitting CT positions was 14.97 ± 3.43 mGy (supine CT, 4.39 ± 1.01 mGy; standing CT, 5.39 ± 1. ... NettetLAA% was defined as the percentage of low-attenuation areas lower than −950 Hounsfield units (HU) on inspiratory CT. 21 RVC −856 to −950 was calculated by the following formula: RVC −856 to −950 = relative lung volume −856 HU to −950 HU on expiratory CT%−relative lung volume −856 HU to −950 HU on inspiratory CT%. 22 MLD E/I ... NettetThe study included 50 patients with COPD who underwent both inspiratory and expiratory 64-detector CT. In each patient, mean values of airway luminal areas from the third to … st margaret\u0027s aspley nottingham