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Bone & Joint Research
Vol. 9, Issue 4 | Pages 192 - 199
1 Apr 2020
Induction heating for eradicating Staphylococcus epidermidis from biofilm
Pijls BG Sanders IMJG Kujiper EJ Nelissen RGHH
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Aims

Induction heating is a noninvasive, nonantibiotic treatment modality that can potentially be used to cause thermal damage to the bacterial biofilm on the metal implant surface. The purpose of this study was to determine the effectiveness of induction heating on killing Staphylococcus epidermidis from biofilm and to determine the possible synergistic effect of induction heating and antibiotics.

Methods

S. epidermidis biofilms were grown on titanium alloy (Ti6Al4V) coupons for 24 hours (young biofilm) and seven days (mature biofilm). These coupons with biofilm were heated to temperatures of 50°C, 55°C, 60°C, 65°C, 70°C, 80°C, and 90°C for 3.5 minutes and subsequently exposed to vancomycin and rifampicin at clinically relevant concentrations.

Bone & Joint Research
Vol. 7, Issue 1 | Pages 79 - 84
1 Jan 2018
Underestimation of Staphylococcus aureus (MRSA and MSSA) carriage associated with standard culturing techniques
Tsang STJ McHugh MP Guerendiain D Gwynne PJ Boyd J Simpson AHRW Walsh TS Laurenson IF Templeton KE
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Objectives

Nasal carriers of Staphylococcus (S.) aureus (MRSA and MSSA) have an increased risk for healthcare-associated infections. There are currently limited national screening policies for the detection of S. aureus despite the World Health Organization’s recommendations. This study aimed to evaluate the diagnostic performance of molecular and culture techniques in S. aureus screening, determine the cause of any discrepancy between the diagnostic techniques, and model the potential effect of different diagnostic techniques on S. aureus detection in orthopaedic patients.

Methods

Paired nasal swabs for polymerase chain reaction (PCR) assay and culture of S. aureus were collected from a study population of 273 orthopaedic outpatients due to undergo joint arthroplasty surgery.

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