Expression of MexAB-OprM efflux pump system and susceptibility to antibiotics of different Pseudomonas aeruginosa clones isolated from patients hospitalized in two intensive care units at University Hospital in Bialystok (northeastern Poland) between January 2002 and December 2009.

We investigated the genetic similarities and expression of the MexAB-OprM efflux pump system in different clones of multiresistant Pseudomonas aeruginosa strains collected from 2002 to 2009 at two intensive care units (ICU). Regulatory and structural genes mexB, mexR, and mexA were found in 99%, 98%, and 94% of tested strains, respectively. The presence of class 1 integron was found in 90% of the strains, while class 2 integron in only one strain (Psa506).

Distribution of AdeABC efflux system genes in genotypically diverse strains of clinical Acinetobacter baumannii.

Acinetobacter baumannii has emerged as a highly problematic hospital-associated pathogen. Different mechanisms contribute to the formation of multidrug resistance in A. baumannii, including the AdeABC efflux system.

Rep-PCR genotyping of infectious Acinetobacter spp. strains from patients treated in Intensive Care Unit of Emergency Department (ICU of ED)--preliminary report.

Purpose: Strains of Acinetobacter spp. are responsible for a considerable percentage of hospital infections. These pathogens have colonized hospital environment and developed resistance to many currently available antibiotics.

Differences in the effects of anti-tobacco health education programme in the areas of knowledge, attitude and behaviour, with respect to nicotinism among boys and girls.

Introduction: Health education used for increasing the effectiveness of intervention actions should cover a number of factors which exert an effect on learning.

Objective: Recognition of the extent to which gender may determine the effects of an anti-tobacco health education programme.

Material And Methods: The intervention study was undertaken in May 2007, and covered 859 first-year schoolchildren in Białystok.

Effect of an anti-tobacco programme of health education on changes in health behaviours among junior high school adolescents in Białystok, Poland.

Introduction: School health education programmes are among the instruments for the prevention of tobacco smoking among children and adolescents. Knowledge obtained in evaluation studies of these programmes indicates the degree of their effectiveness and serves to improve their quality.

Objective: Recognition and evaluation of the effect of two-year anti-tobacco programme of health education on the changes in the level of knowledge, attitudes and behaviours of adolescents.