Related Experiment Video
Updated: Aug 9, 2026
07:46
Experimental Endocarditis Model of Methicillin Resistant Staphylococcus aureus (MRSA) in Rat
Published on: June 4, 2012
Infective endocarditis due to Staphylococcus aureus involving three cardiac valves. A case study
E Maglioni1, M Garosi, L Marchetti
1Division of Post-Cardiosurgical Intensive Care, Le Scotte Hospital, Siena, Italy. magliobuc@libero.it
Minerva Anestesiologica
|October 18, 2003
Summary
A complex cardiac surgery case highlights risks of early discharge and prolonged corticosteroid therapy. These factors contributed to a fatal methicillin-resistant Staphylococcus aureus infection and multiple valve endocarditis in a young woman.
Area of Science:
- Cardiology
- Infectious Diseases
- Surgical Complications
Background:
- A 20-year-old woman with complex congenital heart defects (coarctation of the aorta, situs viscerum inversus, bicuspid aortic valve) underwent corrective surgery.
- Postoperative neurological deficits prompted corticosteroid therapy and early discharge for rehabilitation.
Observation:
- The patient developed a severe surgical wound infection caused by methicillin-resistant Staphylococcus aureus (MRSA).
- Diagnosis of bacterial endocarditis involving multiple valves (aortic, mitral, tricuspid) was established.
Findings:
- The patient succumbed to septic shock complicated by acute respiratory distress syndrome (ARDS).
- Contributing factors identified include early discharge, delayed infection diagnosis due to prolonged corticosteroid use, and the inability to perform multi-valve reoperation.
Implications:
- This case underscores the risks associated with early discharge after complex cardiac surgeries.
- It highlights the critical need for vigilant infection surveillance and judicious corticosteroid use in postoperative care.
- The complexity of managing extensive valve endocarditis in critically ill patients is emphasized.
Related Concept Videos
01:26Mitral Stenosis III: Medical Management
Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
01:25Endocarditis I: Introduction
Introduction:Endocarditis is the infection of the endocardium, the inner lining of the heart and its valves. When the heart muscle is involved, the condition is termed myocarditis, while an infection of the outer lining is called pericarditis. Infective endocarditis (IE) primarily affects the endocardium, where pathogens adhere to the valves or lining, forming vegetation that can lead to severe complications. Infective endocarditis occurs when microorganisms, usually bacteria from other body...
01:25Endocarditis II: Clinical Features of Infective Endocarditis
Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...
01:18Endocarditis III: Medical Management
Infective endocarditis management involves a multifaceted approach encompassing infection prevention, lifestyle modifications, pharmacological therapy, and surgical management.Infection Prevention:Hand Hygiene: Thorough handwashing is crucial to prevent the spread of infection. Hand hygiene should be performed regularly, especially before and after using the restroom.Oral Hygiene: Good oral hygiene is essential. It includes brushing teeth immediately after waking up and before bed, flossing...
01:29Endocarditis IV: Nursing Management
Infective endocarditis (IE) is a chronic infection of the heart's endocardium, primarily affecting the heart valves. A detailed nursing assessment for a patient with IE involves collecting subjective and objective data to ensure an accurate diagnosis and timely intervention.Subjective DataThe nurse gathers information about the patient's symptoms and complaints during the subjective assessment. Patients with infective endocarditis often report non-specific symptoms that can mimic other...
01:23Rheumatic Heart Disease I: Introduction
Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...