To compare the "Bellows on Sternum Resuscitation" (BSR) device that permits simultaneous compression and ventilation by one rescuer with two person cardiopulmonary resuscitation (CPR) with bag-valve-mask (BVM) ventilation in a single blind crossover study performed in the laboratory setting. Tidal volume and compression depth were recorded continuously during 12-min CPR sessions with the BSR device and two person CPR. Six CPR instructors performed a total of 1,894 ventilations and 10,532 compressions in 3 separate 12-min sessions. Mean tidal volume (MTV) and compression rate (CR) with the BSR device differed significantly from CPR with the BVM group (1242 mL vs. 1065 mL, respectively, p = 0.0018 and 63.2 compressions per minute (cpm) vs. 81.3 cpm, respectively, p = 0.0076). Error in compression depth (ECD) rate of 9.78% was observed with the BSR device compared to 8.49% with BMV CPR (p = 0.1815). Error rate was significantly greater during the second half of CPR sessions for both BSR and BVM groups. It is concluded that one-person CPR with the BSR device is equivalent to two-person CPR with BVM in all measured parameters except for CR. Both groups exhibited greater error rate in CPR performance in the latter half of 12-min CPR sessions.
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1016/s0736-4679(02)00433-x | DOI Listing |
Sci Rep
December 2024
Department of Physics, Indian Institute of Technology, Patna, 801106, Bihar, India.
A highly effective method for creating a supramolecular metallogel of Ni(II) ions (NiA-TA) has been developed in our work. This approach uses benzene-1,3,5-tricarboxylic acid as a low molecular weight gelator (LMWG) in DMF solvent. Rheological studies assessed the mechanical properties of the Ni(II)-metallogel, revealing its angular frequency response and thixotropic behaviour.
View Article and Find Full Text PDFLasers Med Sci
December 2024
Department of Biotechnology, Mizoram University, Aizawl, Mizoram, India.
Simulation studies on temperature distribution in laser ablation help predict ablation rates, laser settings, and thermal damage. Despite the limited number of reported numerical studies on the temperature distribution of kidney fluid, there is no simulation study for kidney stone temperature distribution. We employ a numerical approach to study the kidney stone temperature distribution and predict ablation rates, which is an important parameter for clinical lithotripsy.
View Article and Find Full Text PDFJ Mol Model
December 2024
Department of Chemistry, Bangalore University, Bangalore, 560 056, Karnataka, India.
Context: 1,2,4-Oxadiazole serves as a fundamental building block driving advancements across diverse scientific and technological arenas, contributing to the creation of innovative materials for various applications including devices, sensors, medications, agrochemicals, and biomedical instruments. Employing density functional theory (DFT) methods, we investigate the impact of different conformers of an oxadiazole substituted derivative, specifically 3,5-bis[4-(4-methylphenylcarbonyloxy)phenyl]-1,2,4-oxadiazole, in both monomeric and stacked configurations (dimeric and tetrameric). We analyze the electronic structures of various conformers, including assessment of HOMO-LUMO energy gaps, to detect the influence of diverse substituents and stacking arrangements.
View Article and Find Full Text PDFBioinspir Biomim
December 2024
Bioinspired Soft Robotics (BSR), Istituto Italiano di Tecnologia (IIT), Via Morego 30, 16163 Genova, Italy.
Smart agriculture tools as well as advanced studies on agrochemicals and plant biostimulants aim to improve crop productivity and more efficient use of resources without sacrificing sustainability. Recently, multiple advanced sensors for agricultural applications have been developed, however much less advancement is reported in the field of precise delivery of agriculture chemicals. The organic electronic ion pump (OEIP) enables electrophoretically-controlled delivery of ionic molecules in the plant tissue, however it needs external power-supplies complicating its application in the field.
View Article and Find Full Text PDFAppl Biochem Biotechnol
January 2025
Department of Biosciences, Saurashtra University, Rajkot, 360005, Gujarat, India.
The oceanic actinobacteria have strong potential to secrete novel enzymes with unique properties useful for biotechnological applications. The Nocardiopsis dassonvillei strain VCS-4, associated with seaweed Caulerpa scalpeliformis, was a halo-alkaline protease producer. Further investigation focuses on medium optimization and the use of agro-industrial waste for economically feasible, high-yield protease production.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!