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<p>Tricuspid valve infective endocarditis (TVIE) is an uncommon form of right-sided endocarditis, typically associated with intravenous drug use or intravascular devices. Diagnosis is often delayed in immunocompromised patients, particularly those undergoing chronic hemodialysis (HD). We describe a 51-year-old woman with systemic lupus erythematosus (SLE), diabetes, and end-stage renal disease (ESRD) on chronic HD via a tunneled central venous catheter (TCVC). She presented with generalized weakness, hypotensive episodes during HD, and persistent fever. Blood cultures grew <i>Staphylococcus aureus</i>, and chest computed tomography (CT) revealed bilateral cavitary nodules consistent with septic pulmonary emboli. Transesophageal echocardiography (TEE) identified a 5 × 2.3-cm mobile and digitiform vegetation attached to the tricuspid valve, extending into the right atrium and superior vena cava (SVC). Despite targeted antibiotics, the infection persisted. Intraoperative findings revealed a 7-cm fibrous mass with a 3-cm calcified base adherent to the tricuspid valve, extending into the right atrium and causing near-total occlusion of the SVC. The mass was excised, and the native valve was successfully preserved. The postoperative course was uneventful. This case highlights the diagnostic and therapeutic complexity of TVIE in immunosuppressed dialysis patients. Surgical intervention was indicated due to persistent bacteremia, embolic complications, and large vegetations, in line with current European Society of Cardiology (ESC) guidelines. Notably, the native valve was preserved despite extensive intracardiac involvement, representing a favorable surgical outcome. Clinicians should maintain a high index of suspicion for right-sided endocarditis in dialysis patients presenting with respiratory or embolic symptoms.</p>

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Valve-sparing surgery for right-sided endocarditis presenting as a giant right atrial mass in a hemodialysis patient

  • 期刊论文

  • 发表日期：

    2026年3月30日

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  • David Bellido-Yarlequé,
  • Roberto Baltodano-Arellano,
  • Rossi Ramos-Isidro,
  • Kevin Velarde-Acosta,
  • Georgette Vetanzo-Sánchez,
  • Jean Pool Cabello-Barron

摘要

Tricuspid valve infective endocarditis (TVIE) is an uncommon form of right-sided endocarditis, typically associated with intravenous drug use or intravascular devices. Diagnosis is often delayed in immunocompromised patients, particularly those undergoing chronic hemodialysis (HD). We describe a 51-year-old woman with systemic lupus erythematosus (SLE), diabetes, and end-stage renal disease (ESRD) on chronic HD via a tunneled central venous catheter (TCVC). She presented with generalized weakness, hypotensive episodes during HD, and persistent fever. Blood cultures grew Staphylococcus aureus, and chest computed tomography (CT) revealed bilateral cavitary nodules consistent with septic pulmonary emboli. Transesophageal echocardiography (TEE) identified a 5 × 2.3-cm mobile and digitiform vegetation attached to the tricuspid valve, extending into the right atrium and superior vena cava (SVC). Despite targeted antibiotics, the infection persisted. Intraoperative findings revealed a 7-cm fibrous mass with a 3-cm calcified base adherent to the tricuspid valve, extending into the right atrium and causing near-total occlusion of the SVC. The mass was excised, and the native valve was successfully preserved. The postoperative course was uneventful. This case highlights the diagnostic and therapeutic complexity of TVIE in immunosuppressed dialysis patients. Surgical intervention was indicated due to persistent bacteremia, embolic complications, and large vegetations, in line with current European Society of Cardiology (ESC) guidelines. Notably, the native valve was preserved despite extensive intracardiac involvement, representing a favorable surgical outcome. Clinicians should maintain a high index of suspicion for right-sided endocarditis in dialysis patients presenting with respiratory or embolic symptoms.