Evaluation of the effectiveness of medroxyprogesterone on blood gases and short-term hospital outcomes in patients with chronic obstructive pulmonary disease treating with noninvasive ventilation: A randomized clinical trial.

Background: In the present study, we aimed to evaluate the effects of medroxyprogesterone on hospital short clinical outcomes and ABG parameters in patients with chronic obstructive pulmonary disease (COPD) exacerbation under treatments with noninvasive ventilation (NIV) treated with progesterone 15 mg in comparison with placebo.

Materials And Methods: This is a double-blinded clinical trial that was performed in 2020-2021 in Isfahan, Iran, on 60 patients with COPD exacerbation that require NIV. All patients received short-acting beta-agonists, short-acting anticholinergics, systemic corticosteroids, and NIV.

Molecular Doping in the Organic Semiconductor Diindenoperylene: Insights from Many-Body Perturbation Theory.

Molecular doping provides a route toward designing new organic compounds with improved performance for optoelectronics. Here, we investigate the p-type doping of crystalline diindenoperylene (DIP) with two recently proposed electron-accepting molecular dopants using many-body perturbation theory. For the pristine DIP crystal, the quasiparticle band structure and the optical absorption spectra are found in agreement with the experimental data.

Controlling the Spin States of FeTBrPP on Au(111).

Spin-flip excitations of iron porphyrin molecules on Au(111) are investigated with a low-temperature scanning tunneling microscope. The molecules adopt two distinct adsorption configurations on the surface that exhibit different magnetic anisotropy energies. Density functional theory calculations show that the different structures and excitation energies reflect unlike occupations of the Fe 3d levels.

Sensory cutaneous papillae in the sea lamprey (Petromyzon marinus L.): I. Neuroanatomy and physiology.

Molecules present in an animal's environment can indicate the presence of predators, food, or sexual partners and consequently, induce migratory, reproductive, foraging, or escape behaviors. Three sensory systems, the olfactory, gustatory, and solitary chemosensory cell (SCC) systems detect chemical stimuli in vertebrates. While a great deal of research has focused on the olfactory and gustatory system over the years, it is only recently that significant attention has been devoted to the SCC system.

Open Reduction with Internal Fixation of Mandibular Angle Fractures: A Retrospective Study.

Objective: The goal of this project was to report the complications associated with mandibular angle fractures and identify variables affecting their occurrence.

Methods: We retrospectively reviewed the charts of patients with a mandibular angle fracture treated at the Centre hospitalier universitaire de Québec between 2009 and 2013.

Results: Seventy-eight patients (73 males) aged 15-59 years (mean 25.