Late prosthetic valve endocarditis caused by Staphylococcus hemolyticus

R C Senining1, H Ahmad, R Shahzad

  • 1Division of Infectious Diseases, Maimonides Medical Center, Brooklyn, NY 11219, USA. rancathren@yahoo.com

Insights

This report details a rare case of late prosthetic valve endocarditis (PVE) caused by Staphylococcus hemolyticus, occurring five years after aortic valve replacement surgery.

Area of Science:

  • Infectious Diseases
  • Cardiology
  • Surgical Outcomes

Background:

  • Prosthetic valve endocarditis (PVE) is a serious complication following aortic valve replacement.
  • Late PVE, occurring more than one year post-surgery, presents unique diagnostic and therapeutic challenges.
  • Staphylococcus hemolyticus is a known pathogen but rarely implicated in PVE.

Observation:

  • A 78-year-old male patient presented with symptoms indicative of late PVE.
  • The patient had undergone aortic valve replacement five years prior to symptom onset.
  • Diagnostic investigations identified Staphylococcus hemolyticus as the causative organism.

Findings:

  • This case represents the first documented instance of PVE caused by Staphylococcus hemolyticus.
  • The late presentation (5 years post-surgery) highlights the potential for delayed complications.
  • Successful management of this rare PVE etiology is crucial for patient outcomes.

Implications:

  • This finding expands the spectrum of pathogens associated with late PVE.
  • Clinicians should consider Staphylococcus hemolyticus in the differential diagnosis of late PVE.
  • Further research is needed to understand the specific risk factors and optimal treatment for PVE caused by this organism.

Related Concept Videos

Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic01:26

Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic

Healthcare-associated infections (HAIs) occur in a healthcare facility while a person receives care for another ailment. This category also includes work-related infections among healthcare staff.
HAIs significantly increase the cost of health care. Extended stays in healthcare institutions, increased disability, increased costs of medications, including specialized antibiotics, and prolonged recovery times add to the patient's expenses and the healthcare institution and funding bodies. Common...
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
Mitral Stenosis III: Medical Management01:26

Mitral 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...
Endocarditis IV: Nursing Management01:29

Endocarditis 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...
Staphylococcal Skin Infections01:29

Staphylococcal Skin Infections

Staphylococcus aureus is a Gram-positive coccus that resides harmlessly on the skin and mucous membranes of healthy individuals. When the skin barrier is breached, it can shift from a commensal to an opportunistic pathogen. This transition is facilitated by surface adhesins, such as clumping factor B and S. aureus surface protein G (SasG), which bind to structural proteins, including loricrin and cytokeratin, in the damaged epidermis. Protein A, another key factor, binds the Fc region of...