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[Effect of antibiotic prophylaxis with vancomycin on methicillin-resistant Staphylococcus aureus infection following
J I Calleja Kempin1, R Bañares, J R Polo
1Departamento de Cirugía General y de Aparato Digestivo, Hospital General Gregorio Marañón, Madrid.
Abstract:
An epidemic outbreak of Methicillin-resistant Staphylococcus Aureus (MRSA) infections affecting liver transplantation patients was detected in our hospital. In this study we describe the special characteristics of the infections and the results of prophylactic treatment with Vancomycin. Between april 1990 and december 1991, 47 patients with mean age of 54.4 +/- 10 years underwent liver transplantation. The patients were included in two chronological groups: 1) Group I: 20 patients not treated prophylactically with Vancomycin; 2) Group II: 27 consecutive patients treated with Vancomycin. Systematical cultures of body fluids for bacteria and fungi were done in every patient, and were repeated after 24 hours. The cultures were repeated again in case of sepsis. Group I patients had a significantly higher frequency of MRSA infections than group II patients. Furthermore, in patients with MRSA infection, independently of the group, duration of transplantation (p < 0.01), reoperations (p < 0.001) and prophylactic treatment with Vancomycin (p < 0.001) were significative factors. In conclusion, Vancomycin appears to be an elective prophylactic antibiotic in case of high risk of MRSA sepsis after liver transplantation.
Insights
Prophylactic Vancomycin significantly reduced Methicillin-resistant Staphylococcus Aureus (MRSA) infections in liver transplant patients. This antibiotic is recommended for high-risk MRSA sepsis cases post-transplantation.
Area of Science:
- Infectious Diseases
- Transplant Surgery
- Clinical Microbiology
Background:
- An epidemic of Methicillin-resistant Staphylococcus Aureus (MRSA) infections emerged among liver transplant recipients.
- Liver transplantation is a complex procedure with inherent risks of infection.
Purpose of the Study:
- To investigate the characteristics of MRSA infections in liver transplant patients.
- To evaluate the efficacy of prophylactic Vancomycin treatment in preventing MRSA infections.
Main Methods:
- A retrospective study comparing two groups of liver transplant patients (n=47) from April 1990 to December 1991.
- Group I (n=20) received no prophylactic Vancomycin; Group II (n=27) received prophylactic Vancomycin.
- Systematic cultures of body fluids were performed, with repeat cultures for sepsis and post-transplant.
Main Results:
- Group I patients exhibited a significantly higher incidence of MRSA infections compared to Group II.
- Factors independently associated with MRSA infection included longer transplant duration, reoperations, and lack of Vancomycin prophylaxis.
- Vancomycin prophylaxis was a significant protective factor against MRSA sepsis.
Conclusions:
- Vancomycin demonstrates effectiveness as a prophylactic antibiotic for reducing MRSA sepsis risk in liver transplant recipients.
- Prophylactic Vancomycin should be considered for high-risk liver transplant patients.
- Early detection and intervention are crucial in managing MRSA outbreaks in transplant settings.