Hyperbaric oxygen therapy counteracts biofilm micro-compartment phenomenon in murine thermal wounds.

Background: Biofilm antibiotic tolerance is partly explained by the behavior of a biofilm as an independent pharmacokinetic micro-compartment. Hyperbaric oxygen therapy has been shown to potentiate antibiotic effects in biofilms. The present study investigates the effect of hyperbaric oxygen therapy (HBOT) on the biofilm micro-pharmacokinetic/pharmacodynamic behavior of tobramycin in an animal biofilm model.

Hyperbaric oxygen therapy augments ciprofloxacin effect against biofilm infected chronic wounds in a mouse model.

Introduction: Chronic wounds have a compromised microcirculation which leads to restricted gas exchange. The majority of these hypoxic wounds is infested with microorganisms congregating in biofilms which further hinders the antibiotic function. We speculate whether this process can be counteracted by hyperbaric oxygen therapy (HBOT).

Chicken IgY reduces the risk of urinary tract infections in a murine model.

Introduction: Urinary tract infections (UTIs) with are a severe problem in disposed patients in modern healthcare. establishes recalcitrant biofilm infections and can develop antibiotic resistance. Gargling with avian egg yolk anti- antibodies (IgY) has shown clinical effect in preventing onset of chronic lung infections in patients with cystic fibrosis (CF).

Murine burn lesion model for studying acute and chronic wound infections.

Acute wounds, such as thermal injury, and chronic wounds are challenging for patients and the healthcare system around the world. Thermal injury of considerable size induces immunosuppression, which renders the patient susceptible to wound infections, but also in other foci like the airways and urinary tract. Infected thermal lesions can progress to chronic wounds with biofilm making them more difficult to treat.

Lactoferricin-inspired peptide AMC-109 augments the effect of ciprofloxacin against Pseudomonas aeruginosa biofilm in chronic murine wounds.

Objectives: Chronic wounds are characterised by prolonged inflammation, low mitogenic activity, high protease/low inhibitor activity, microbiota changes and biofilm formation, combined with the aetiology of the original insult. One strategy to promote healing is to terminate the parasitism-like relationship between the biofilm-growing pathogen and host response. Antimicrobial peptide AMC-109 is a potential treatment with low resistance potential and broad-spectrum coverage with rapid bactericidal effect.

Novel human in vitro vegetation simulation model for infective endocarditis.

Infective endocarditis (IE) is a heart valve infection with high mortality rates. IE results from epithelial lesions, inducing sterile healing vegetations consisting of platelets, leucocytes, and fibrin that are susceptible for colonization by temporary bacteremia. Clinical testing of new treatments for IE is difficult and fast models sparse.

Distinct contribution of hyperbaric oxygen therapy to human neutrophil function and antibiotic efficacy against Staphylococcus aureus.

Staphylococcus aureus (SA) causes superficial and severe endovascular infections. The present in vitro study investigates the anti-SA mechanisms of hyperbaric oxygen therapy (HBOT) on direct bacterial killing, antibiotic potentiation, and polymorphonuclear leukocyte (PMN) enhancement. SA was exposed to isolated human PMNs, tobramycin, ciprofloxacin, or benzylpenicillin.

In vivo demonstration of Pseudomonas aeruginosa biofilms as independent pharmacological microcompartments.

Background: Pseudomonas aeruginosa is difficult to eradicate from the lungs of cystic fibrosis (CF) patients due to biofilm formation. Organs and blood are independent pharmacokinetic (PK) compartments. Previously, we showed in vitro biofilms behave as independent compartments impacting the pharmacodynamics.

A Systematic Review on Effect of Single-Dose Preoperative Antibiotics at Surgical Osteotomy Extraction of Lower Third Molars.

Purpose: We conducted a systematic review of randomized controlled trials (RCTs) to evaluate the effectiveness of a single dose of preoperative antibiotic administered perorally, intravenously, intramuscularly, or topically for preventing infection and alveolar osteitis in lower third molar surgical extraction applying osteotomy.

Materials And Methods: The Medline, Cochrane Library, and Embase databases were searched for RCTs until August 2015. The primary outcome measure was postoperative inflammatory reactions, with a subgroup analysis of surgical site infection (SSI) and alveolar osteitis.

The excess risk of major osteoporotic fractures in hypothyroidism is driven by cumulative hyperthyroid as opposed to hypothyroid time: an observational register-based time-resolved cohort analysis.

The long-term relationship between hypothyroidism and fracture risk is challenging to dissect because of the modifying influence of subsequent thyroxine replacement with the potential for excessive replacement doses. We studied changes in serum thyrotropin concentration (TSH) over time and association with fracture risk in real-world patients presenting with elevated TSH. All TSH determinations were done in the same laboratory, which served all hospitals and general practices.

Duration of thyroid dysfunction correlates with all-cause mortality. the OPENTHYRO Register Cohort.

Introduction And Aim: The association between thyroid dysfunction and mortality is controversial. Moreover, the impact of duration of thyroid dysfunction is unclarified. Our aim was to investigate the correlation between biochemically assessed thyroid function as well as dysfunction duration and mortality.

Low serum thyrotropin level and duration of suppression as a predictor of major osteoporotic fractures-the OPENTHYRO register cohort.

The relationship between thyrotoxicosis and osteoporotic fractures remains controversial, particularly in men. Register-based cohort study including all patients with a serum thyrotropin (TSH) measurement in the region of Funen 1996-2010. All TSH determinations were done in the same lab, which served all hospitals and General Practice (GP) practices in the region.

Metaanalysis of risk factors for mortality in patients with hip fracture.

Introduction: The aim of this meta-analysis is to assess the association of three different clinical score systems with the mortality in hip fracture patients.

Methods: A literature search was conducted on November 13, 2011 using PubMed and Embase. The search yielded 315 publications which were reviewed on the basis of the inclusion criteria.