Infectious bacteria pose an increasing threat to public health, and hospital-acquired bacterial infections remain a significant challenge for wound healing. In this study, we developed an advanced nanoplatform utilizing copper doped magnetic vortex nanoring coated with polydopamine (Cu-MVNp) based nanotherapeutics for bacterial infection tri-therapy. This multifunctional nanoplatform exhibits remarkable dual-stimulus thermogenic capabilities and Fenton-like peroxidase activity.
View Article and Find Full Text PDFUnlabelled: is to study the possibility of applying commercial wound coatings for treating infected wounds as a carrier matrix for bacteriophages.
Materials And Methods: Twelve varieties of commercial wound coverings based on biopolymers of natural and synthetic origin, a biological preparation Staphylophag produced by scientific-industrial association Microgen (Russia), registration certificate P N001973/01, and the 3196 test strain (GenBank JARQZO000000000) isolated from a patient with a burn wound have been used in our work. The ability of commercial biological wound coatings to absorb solutions was examined by immersing them in a physiological solution (pH 7.
Nanoparticle-mediated thermotherapeutic research strives innovative, multifunctional, efficient, and safe treatments. Our study introduces a novel nanoplatform: the hollow magnetic vortex nanorings within a polydopamine layer (HMVNp), which exhibit dual functionality as magnetic and photothermal agents. Utilizing a "Dual-mode" approach, combining an alternating magnetic field (AMF) with near-infrared (NIR) laser irradiation, HMVNp demonstrated a significant enhancement in heating efficacy (58 ± 8 %, SAR = 1441 vs 1032 W/g) over traditional solid magnetite nanoparticles coated with polydopamine (SMNp).
View Article and Find Full Text PDFThe resistance of bacteria to antibiotics is a major problem for anti-bacterial therapy. This problem may be solved by using bacteriophages-viruses that can attack and destroy bacteria, including antibiotic-resistant ones. In this article, the authors compared the efficacy of topical bacteriophage therapy and systemic antibiotic therapy in the treatment of wound infections caused by ESKAPE pathogens in patients with limited (less than 5% of the body surface) full-thickness burns.
View Article and Find Full Text PDFChronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids (CLIPPERS) is a rare chronic central-nervous-system inflammatory disorder that became known only recently, and the pathogenesis of CLIPPERS remains poorly understood. This report presents clinical and radiological features of a rare case: a young female patient who rapidly died of suspected CLIPPERS. Helpful multiparametric MRI diagnostic criteria are proposed that can help discriminate CLIPPERS from non-CLIPPERS pathologies.
View Article and Find Full Text PDFKhirurgiia (Mosk)
September 2022
Objective: To improve treatment outcomes in victims with kidney damage following blunt and stab abdominal trauma by using of minimally invasive methods of diagnosis and treatment.
Material And Methods: About 1.2-3.
Using a data sample of proton-proton collisions collected by the CMS experiment at the LHC in 2017 and 2018 with an integrated luminosity of , the and decays are observed with significances exceeding 5 standard deviations. The resulting branching fraction ratios, measured for the first time, correspond to and , where the last uncertainty in the first ratio is related to the uncertainty in the ratio of production cross sections of and mesons, .
View Article and Find Full Text PDFThis paper describes the effects of the interaction of cerebral fluids (arterial, capillary and venous blood, cerebrospinal fluid) on ventricular wall displacement and periventricular pressure using a mathematical multiphase poroelasticity model for the cerebral parenchyma. The interaction of cerebral fluids is given by a set of four numerical coefficients. A multiple linear regression with interaction is constructed that allows us to quantify the effect of these coefficients on the average ventricular wall displacement.
View Article and Find Full Text PDFVavilovskii Zhurnal Genet Selektsii
February 2021
There are more than 30 inherited human disorders connected with repeat expansion (myotonic dystrophy type I, Huntington's disease, Fragile X syndrome). Fragile X syndrome is the most common reason for inherited intellectual disability in the human population. The ways of the expansion development remain unclear.
View Article and Find Full Text PDFSovrem Tekhnologii Med
December 2021
Unlabelled: Using bacteriophages to overcome the increasing resistance of microorganisms to antibiotics is a novel research venue of clinical importance. Among other challenges, this technique is expected to create and maintain an adequate local concentration of bacteriophages at the site of application. In addition, the possibility of combining the phage preparation with antioxidants and anesthetics may provide new options for stimulating the reparative process.
View Article and Find Full Text PDFThe glymphatic system and meningeal lymphatics have recently been characterized. Glymphatic system is a glia-dependent system of perivascular channels, and it plays an important role in the removal of interstitial metabolic waste products. The meningeal lymphatics may be a key drainage route for cerebrospinal fluid into the peripheral blood, may contribute to inflammatory reaction and central nervous system (CNS) immune surveillance.
View Article and Find Full Text PDFZh Vopr Neirokhir Im N N Burdenko
December 2020
We report a rare case of decompensated chronic internal hydrocephalus in an adult patient. A 35-year-old woman experienced acute intracranial hypertension in 3 weeks after relief of postoperative inflammation in the oral cavity (tooth extraction). MRI revealed severe internal hydrocephalus.
View Article and Find Full Text PDFObjective: to determine differences in cerebrospinal fluid (CSF) flow velocities in patients with varying degrees of communicating hydrocephalus (CH) versus a group of healthy volunteers without hydrodynamic disorders.
Material And Methods: The investigation enrolled 27 CH patients (17 and 10 patients with an Evans index of 0.31 and 0.
To determine the difference in the velocity parameters of cerebrospinal fluid flow in patients with varying severity of communicating hydrocephalus compared to a group of healthy volunteers without hydrodynamic disorders. The study involved 35 subjects with communicating hydrocephalus (25 subjects with Evans index of 0.31; 10 subject with Evans index of 0.
View Article and Find Full Text PDFUsing a specific clinical example, we demonstrate the ability of prenatal magnetic resonance imaging (MRI) to diagnose associated spine and spinal cord malformations in the group of spinal dysraphisms. Thus, the original ultrasound (US) and MRI results for the affected fetus at week 21 are illustrated and described in detail. The paucity of reports of prenatal MR-semiotic findings of split cord malformation comparing US and pathomorphological findings at a relatively early gestational age makes the present case unique and instructive.
View Article and Find Full Text PDFVestn Khir Im I I Grek
April 2016
The data of examination and treatment of 356 victims with extremely severe combined injury and shock of III degree were analyzed. All the patients had a medical unfavorable life prognosis. On the basis of the research, it was proved, that the modern approach of treatment of such trauma should include an adequate anti-shock treatment in conditions of the first-level trauma center.
View Article and Find Full Text PDFVestn Khir Im I I Grek
September 2014
The number of road accidents, fatal outcomes and victims exceeded in 1.5 times in Saint-Petersburg in comparison with Moscow. At the average, 600 victims were treated in each of 6 first-level traumatology centers every year.
View Article and Find Full Text PDFVestn Khir Im I I Grek
May 2015
On the basis of study and treatment of 98 victims it was stated that the absorption of isotonic glucose electrolytes solutions in the small intestine was saved even increased in case of large hemorrhage in severe polytrauma with chest, abdominal injury and other regions trauma. An application of early enteral infusions allowed reducing of the volume of parenteral introduction solutions and facilitated to a reliable decrease of development frequency of nosocomial pneumonia of attributive lethality.
View Article and Find Full Text PDFVestn Khir Im I I Grek
May 2008
Therapeutic-diagnostic videothoracoscopy was used in complex treatment of hemothorax in 86 patients for isolated and combined stab-slash wounds and closed traumas of the chest. Thoracoscopy was not used in 321 patients with the same pathology taken as control. It was found that videothoracoscopy used for medium and big hemothorax always allowed the doctors to make the precise topical diagnosis of chest injury and due to medicinal endosurgical manipulations the thoracotomies were made 2.
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