Diseases and Pathogens | CMAC

Diseases and Pathogens

Current knowledge of the taxonomy and classification of representatives from the order Legionellales (Legionellaceae, Coxiellaceae) Phylum Pseudomonadota

Since the development of microbiology as a science, the identification, systematics and classification of microorganisms have been carried out based on the study of phenotypic characteristics. In the second half of the 20th century, after the …

Development of methods for studying *Treponema pallidum *in the Russian Federation

Syphilis belongs to the category of socially significant sexually transmitted infections, the control of which is one of the priorities in global health. The beginning of the twentieth century was marked by the discovery of the causative agent of …

Etiology of community-acquired pneumonia in adults in Russian hospitals after the COVID-19 pandemic: results of a multicenter prospective study

Objective. To study the etiology of community-acquired pneumonia (CAP) in adult hospitalized patients after the COVID-19 pandemic. Materials and Methods. The prospective multicenter study included patients 18 years and older with confirmed diagnosis of CAP admitted to 6 hospitals in different regions of Russia from July to November 2023. Etiology was confirmed by respiratory samples (sputum, tracheal aspirate) culture, blood culture (severe cases), and urinary antigen tests (Legionella pneumophila serogroup 1, Streptococcus pneumoniae).

Etiological structure of infections in patients of the surgical intensive care unit in the post -covid era

Objective. To determine etiological structure of infections in the surgical intensive care unit (ICU), identify the most common mechanisms of antibiotic resistance of leading pathogens, and develop recommendations for optimizing antimicrobial therapy in the ICU at the present stage. Materials and Methods. A prospective observational study was conducted in the surgical ICU of the Moscow City Clinical Center «Kommunarka» from September 2022 to February 2024. The subjects of observation were 2120 patients treated in the unit.

Microbiota of upper respiratory tract in COVID-19

The COVID-19 pandemic has provided an additional impetus for studying the respiratory microbiome. Dysbiotic changes resulting from the interaction of the SARS-CoV-2 virus with respiratory tract cells can increase the body’s susceptibility to …

Biofilms in mycobacterial infection

The ability to form biofilms in lung tissue destruction cavities has been described for both the causative agent of tuberculosis (Mycobacterium tuberculosis) and for non-tuberculous mycobacteria. This process is associated with the chronic infection. …

Virulence genes in Enterococcus faecium and Enterococcus faecalis isolated from blood culture in haematological patients

Objective. To study virulence genes in E. faecium and E. faecalis isolated from the blood cultures of patients with hematological diseases. Materials and Methods. Virulence genes were studied in E. faecium and E. faecalis strains isolated from blood culture from hematological patients in four Russian hospitals (2002–2020). Susceptibility to vancomycin was determined by broth microdilution method (CLSI, 2022). Virulence genes (esp, hyl, asa1, cylA and gelE) in E. faecium and E.

Disseminated Mycobacterium genavense infection in an otherwise healthy child: a clinical case and literature review

This paper presents the first clinical case of combined pulmonary and abdominal M. genavense infection in an otherwise healthy, immunocompetent child with an early treatment response and full recovery. The favorable outcome was determined by rapid …

Characteristics of hospitalized patients with lethal outcome due to COVID-19

Objective. To analyze the characteristics of patients with severe COVID-19 and lethal outcome. Materials and Methods. This retrospective pharmacoepidemiological study (March – April 2021) enrolled 172 patients with confirmed COVID-19 and death in the intensive care unit of City Clinical Hospital No. 24. Results. The mean age was 74.4 ± 7.4 years, patients over 65 years old – 81% (n = 139), over 75 years old – 44% (n = 75).

Mycoplasma pneumoniae – modern data on the structure, molecular biology and epidemiology of the pathogen

Mycoplasma pneumoniae is a common etiologic agent of respiratory tract infections and communityacquired pneumonia (CAP) in children and adults. Recently, much new data on this pathogen, its molecular biology, cytoadherence and epidemiology have been …