Related Experiment Video
Updated: Jul 14, 2026

In Vivo Mouse Model of Spinal Implant Infection
Published on: June 23, 2020
Daptomycin for eradication of a systemic infection with a methicillin-resistant-Staphylococcus aureus in a
Florian Weis1, Andres Beiras-Fernandez, Ingo Kaczmarek
1Department of Anesthesiology, University Hospital Grosshadern, Ludwig-Maximilians-University, Munich, Germany. florian.weis@med.uni-muenchen.de
Abstract:
The rate of infection in patients who require ventricular assist devices is estimated at more than 35%. Infections with multi-resistant organisms such as methicillin-resistant Staphylococcus aureus in ventricular assist device recipients are often difficult to treat and present a high mortality rate. Daptomycin is a new cyclic lipopeptide antibiotic, useful in gram-positive organisms resistant to standard treatment. We report a case of a 65-year-old man suffering from a dilatative cardiomyopathy and concomitant MRSA infection who received a biventricular assist device. The patient had MRSA sepsis develop resistant to conventional therapy, which was successfully treated with daptomycin.
Insights
Ventricular assist device infections are common. A patient with methicillin-resistant Staphylococcus aureus (MRSA) sepsis, resistant to standard therapy, was successfully treated with daptomycin.
Area of Science:
- Cardiology
- Infectious Diseases
- Pharmacology
Background:
- Ventricular assist devices (VADs) are critical for end-stage heart failure.
- Infection rates in VAD recipients exceed 35%, posing significant risks.
- Multi-resistant organisms like MRSA complicate VAD-associated infections.
Observation:
- A 65-year-old male with dilatative cardiomyopathy received a biventricular assist device.
- The patient developed MRSA sepsis resistant to conventional antibiotic treatments.
- This MRSA infection presented a high mortality risk.
Findings:
- Daptomycin, a lipopeptide antibiotic, is effective against resistant Gram-positive bacteria.
- The patient's MRSA sepsis was successfully treated with daptomycin.
- This suggests daptomycin as a viable therapeutic option for VAD-associated MRSA infections.
Implications:
- Daptomycin may offer a crucial treatment alternative for VAD patients with resistant infections.
- Successful daptomycin use could improve outcomes and reduce mortality in this vulnerable population.
- Further research into daptomycin's role in VAD infections is warranted.
Related Concept Videos
Clinical Significance of Antibiotic Resistance
Endocarditis III: Medical Management
Endocarditis IV: Nursing Management
Mechanism of Antibiotic Resistance in MRSA
Staphylococcal Skin Infections
Estimation of k and VD of Aminoglycosides