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Effects of routine postural repositioning on the distribution of lung ventilation and perfusion in mechanically ventilated patients.
Intensive Crit Care Nurs
January 2025
Department of Intensive Care Medicine, Hospital Universitario de La Princesa, Madrid, Spain; Centro de investigación en red CIBERES de enfermedades respiratorias, Instituto de Salud, Carlos III, Madrid, Spain. Electronic address:
Objectives: To analyse the effects on respiratory function, lung volume and the regional distribution of ventilation and perfusion of routine postural repositioning in mechanically ventilated critically ill patients.
Methods: Prospective descriptive physiological study. We evaluated gas-exchange, lung mechanics, and Electrical Impedance Tomography (EIT) determined end-expiratory lung impedance and regional ventilation and perfusion distribution in five body positions: supine-baseline (S1); first lateralisation at 30° (L1); second supine position (S2), second contralateral lateralisation (L2) and third final supine position (S3).
Case report: Electrical impedance tomography-guided ventilator weaning in an obese patient with severe pneumonia.
Front Med (Lausanne)
January 2025
Intensive Care Unit, Zhongshan City People's Hospital, Zhongshan City, China.
Background: Electrical impedance tomography (EIT) evaluates lung function by providing continuous, real-time monitoring of regional lung ventilation distribution to guide the restoration of lung ventilation. Patients with obesity who are dependent on mechanical ventilation often struggle with weaning. This case report highlights the potential of EIT to guide the weaning of ventilator-dependent patients in an obese patient with severe pneumonia.
View Article and Find Full Text PDFComparison of Lower Limb Mass, Thigh Circumference, and Balance Ability after Anterior Cruciate Ligament Reconstruction and in Control Participants.
Int J Exerc Sci
December 2024
Department of Kinesiology, California State University San Marcos, San Marcos, CA, USA.
Injury of the anterior cruciate ligament (ACL) in the knee is common, with up to 250,000 cases annually in the United States. Such injuries can lead to muscle atrophy, impaired balance, and limited movement. This study aimed to compare the lower limbs of individuals with ACL reconstruction to a Control group.
View Article and Find Full Text PDFOvercoming the cognition-reality gap in robot-to-human handovers with anisotropic variable force guidance.
Comput Struct Biotechnol J
December 2024
The State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory of Remote Measurement and Control, School of Instrument Science and Engineering, Southeast University, Nanjing 210096, China.
Object handover is a fundamental task for collaborative robots, particularly service robots. In in-home assistance scenarios, individuals often face constraints due to their posture and declining physical functions, necessitating high demands on robots for flexible real-time control and intuitive interactions. During robot-to-human handovers, individuals are limited to making perceptual judgements based on the appearance of the object and the consistent behaviour of the robot.
View Article and Find Full Text PDFHigh variability in the reproducibility of key hemodynamic responses to head-up tilt.
Am J Physiol Heart Circ Physiol
January 2025
Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.
Increased blood pressure upon standing is considered a cardiovascular risk factor. We investigated the reproducibility of changes in aortic blood pressure, heart rate, stroke volume, cardiac output, and systemic vascular resistance during three passive head-up tilts (HUT) in 223 participants without cardiovascular medications (mean age 46 years, BMI 28 kg/m2, 54% male). Median time gap between the first and the second HUT was 9 weeks and the second and the third HUT 4 weeks.
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