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Clinical experience with linezolid in conjunction with wound coverage techniques for skin and soft-tissue infections
Kevin W Broder1, Pamela A Moise, Raymond O Schultz
1University at Buffalo, Department of Surgery, NY, USA.
Abstract:
Gram-positive organisms are emerging as possibly the most important nosocomial pathogens during the past decade. Methicillin-resistant Staphylococcus aureus (MRSA) is a frequent cause of infection in the postoperative patient. Burn victims are at high risk for developing vancomycin-resistant Enterococcus (VRE) and other multidrug-resistant microbial infections as a result of the immunocompromising effects of burn injury, prolonged intensive care unit stays, and broad-spectrum antibiotic therapy. To prevent serious and dreaded complications such as skin graft breakdown, delayed wound healing, loss of a limb, and even death, these infections require a combination of extensive antibiotic therapy and plastic surgical intervention. The objectives of this study were to report clinical experience with linezolid in addition to wound care, debridement, and wound coverage techniques for the treatment of S. aureus (including MRSA) and VRE infections. Forty patients received linezolid for infections of wound coverage such as an infected graft or flap, or received linezolid in conjunction with wound coverage techniques for a S. aureus or VRE infection. The median patient age was 53 years (range, 14-85 years), 55% were female, 28% of patients received intravenous (i.v.) linezolid only, 45% received i.v. with a switch to the oral formulation, and 28% received the oral formulation only. The clinical success rate of linezolid with adjuvant wound coverage techniques was 90.0% for osteomyelitis and was 100% for skin and soft-tissue infections. For infections of wound coverage, the clinical success rate was 83.3%. In conclusion, linezolid was an effective antibiotic for the treatment of S. aureus (including MRSA) and VRE infections in conjunction with wound coverage techniques. In addition, linezolid offers the option of treating these infections with an oral agent that is 100% bioavailable.
Insights
Linezolid effectively treats Gram-positive infections, including Methicillin-resistant Staphylococcus aureus (MRSA) and Vancomycin-resistant Enterococcus (VRE), in surgical patients. This antibiotic, used with wound care, shows high success rates for skin, soft-tissue, and bone infections.
Area of Science:
- Infectious Diseases
- Surgical Infections
- Antimicrobial Therapy
Background:
- Gram-positive organisms, particularly Methicillin-resistant Staphylococcus aureus (MRSA) and Vancomycin-resistant Enterococcus (VRE), are significant nosocomial pathogens.
- Burn patients face elevated risks for multidrug-resistant infections due to compromised immunity and extensive medical interventions.
- Severe infections necessitate combined antibiotic therapy and surgical management to prevent critical complications.
Purpose of the Study:
- To evaluate the clinical efficacy of linezolid when used alongside wound care, debridement, and coverage techniques.
- To assess linezolid's effectiveness in treating Staphylococcus aureus (including MRSA) and VRE infections in patients requiring wound coverage.
Main Methods:
- A retrospective study involving 40 patients treated with linezolid for S. aureus (MRSA) or VRE infections.
- Linezolid was administered intravenously, orally, or as a sequential i.v. to oral regimen.
- Treatment was combined with wound care, debridement, and surgical wound coverage procedures.
Main Results:
- High clinical success rates were observed: 100% for skin and soft-tissue infections and 90.0% for osteomyelitis.
- For infections involving wound coverage (e.g., grafts, flaps), the success rate was 83.3%.
- Linezolid demonstrated effectiveness as an oral agent with 100% bioavailability.
Conclusions:
- Linezolid is an effective antibiotic option for treating S. aureus (MRSA) and VRE infections.
- Its use in conjunction with surgical wound coverage techniques yields favorable clinical outcomes.
- The availability of an oral formulation with high bioavailability enhances treatment flexibility.
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