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Blood culture-negative endocarditis (BCNE) poses significant diagnostic and therapeutic challenges and is associated with notable morbidity and mortality. When presented concurrently with other comorbidities, these challenges and the chances of morbidity and mortality significantly increase. This case presents right-sided BCNE accompanied by pulmonary cavitary lesions in a patient with a history of supraventricular tachycardias (SVT), a biventricular pacemaker and implantable cardioverter-defibrillator (BiV-ICD), alcohol use, and anticoagulant noncompliance. The patient missed follow-up appointments for six months after the death of his wife, leading to increased alcohol use and noncompliance with medications. During this period, his home monitoring device was offline. Once reconnected, it detected several episodes of SVT and ventricular tachycardia (VT), prompting a wellness check. He presented to the cardiology clinic with shortness of breath and a cough producing brown-tinged sputum. Evaluation revealed cavitary lesions in the lingula and left lower lobe, a vegetation on his tricuspid valve, and vegetations on his endocardial leads, despite negative blood cultures. Tuberculosis testing was negative, while sputum cultures were positive for Haemophilus influenzae. After ruling out other possible infectious causes of the cavitary lesions, septic emboli were suspected as the cause. Broad-spectrum antibiotics were begun and surgical intervention was done to replace the tricuspid valve and remove the endocardial leads. This procedure was complicated by fibrosis of the leads at the coronary sinus, necessitating their cutting at the superior vena cava and leaving them inside the patient until laser therapy could be performed for their removal. The patient's history of bradycardia and SVTs required the ongoing use of a pacemaker. Inventory discrepancy during the placement of the new pacemaker epicardial leads lead to complications warranting an alternative approach to lead implantation. A traditionally used epicardial lead was placed on the right ventricle for pacing, and an innovative technique was employed to place an endocardial lead on the right atrium epicardium for sensing. This case underscores the importance of thorough evaluation and collaborative management strategies to optimize outcomes for patients with concomitant cardiac and pulmonary pathologies, particularly in the context of underlying psychosocial stressors. Additionally, it demonstrates solutions to challenges that can arise during surgery and presents an alternative lead placement technique for physicians who have only one epicardial lead available after removing infected endocardial leads. This is illustrated by the innovative use of an endocardial lead as an epicardial sensing lead.
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Background: ST-elevation myocardial infarction (STEMI) is a cardiac emergency that requires prompt diagnosis and treatment. We describe a challenging and complex case of managing acute STEMI in a patient with severe anaemia, deranged clotting profile, and infective prodrome. Case summary: A 54-year-old Caucasian gentleman was referred by his general practitioner as an emergency after presenting with acute onset of chest pain. His electrocardiogram revealed anterior ST elevation. His past medical history includes a mechanical aortic valve, requiring anticoagulation, and a recent gastrointestinal bleed secondary to type C gastritis. His initial presentation was further complicated by severe anaemia, deranged clotting profile, and elevated infective markers. He required a prompt transfer to the catheterization laboratory to assess and stabilize the situation. We discuss the emerging challenges during treatment, particularly as the diagnosis of septic embolism from infective prosthetic valve endocarditis was unfolding, requiring urgent cardiac surgery. Discussion: Acute coronary vessel closure leading to STEMI from septic embolism secondary to prosthetic aortic valve endocarditis is very rare. It is essential to consider the whole picture of the presentation for timely diagnosis and tailored treatment.
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The Duke Criteria have shaped the way infectious endocarditis (IE) is diagnosed in the last 30 years. This study aims to evaluate their current validity and importance in the diagnostic of IE. A retrospective cohort study was conducted on 163 consecutive patients who presented at the University Hospital in Ulm (Germany) with clinical suspicion of IE between 2009 and 2019. With patients' medical records we differentiated between definitive endocarditis (DIE), possible endocarditis (PIE) and rejected endocarditis (RIE) and assessed the validity of the Duke Criteria in comparison to the final discharge diagnosis. We then tried to identify new potential parameters as an addition to the current valid Duke Criteria. The validity of the Duke Criteria improves with the length of hospitalization (especially cardiac imaging criterion, RIE 33.3%, PIE 31.6% and DIE 41.9%, p = 0.622 at admission and RIE 53.3%, PIE 68.4%, DIE 92.2%, p < 0.001 at discharge). At admission, overall sensitivity and specificity were respectively 29.5 and 91.2% in the DIE group. At discharge, sensitivity in the DIE group rose to 77.5% and specificity decreased to 79.4%. Of all screened metrics, microhematuria (p = 0.124), leukocyturia, (p = 0.075), younger age (p = 0.042) and the lack of rheumatoid disease (p = 0.011) showed a difference in incidence (p < 0.2) when comparing DIE and RIE group. In multivariate regression only microhematuria qualified as a potential sixth minor criterion at admission. Even with the latest technological breakthroughs our findings suggest that the Duke Criteria continue to hold value in the accurate assessment of IE. Future efforts must shorten the time until diagnosis.
Subject(s)
Endocarditis , Humans , Retrospective Studies , Male , Female , Middle Aged , Aged , Endocarditis/diagnosis , Endocarditis/mortality , Adult , Sensitivity and Specificity , Germany/epidemiology , Aged, 80 and overABSTRACT
Non-typhoid endocarditis is uncommon. Non-typhoid Salmonella paratyphi A endocarditis is even more rare. Although the spectrum of available antibiotics is adequate for treatment, the importance of this condition stresses its rarity of occurrence and presentation. Here, we present the case of a middle-aged male suffering from S. paratyphi A endocarditis. Learning objective: Salmonella paratyphi A endocarditis is extremely rare, mostly affecting the mitral valve. There is an increasing trend of S. paratyphi A infection in the Indian subcontinent. S. paratyphi A endocarditis should be suspected in all patients who have recurrent fever with chills for >3 to 4â¯weeks, associated with dyspnea on exertion and weight loss. Newer mutations with antibiotic resistance are becoming more common, which might pose serious problems.
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Prosthetic joint infection (PJI) is defined as an infection involving the prosthesis and surrounding soft tissue and bone that is a difficult complication to treat and is a common cause of revision total joint arthroplasty (TJA). Bacteremia, sepsis, and infective endocarditis (IE) are rare complications in patients who have undergone TJA. We report a rare case where a patient presented with purulent discharge from the left knee joint post-TJA concerning PJI and was found to have methicillin-sensitive Staphylococcus aureus bacteremia, tricuspid valve endocarditis, and septic pulmonary emboli. The patient underwent irrigation, debridement, and a spacer device placement in the affected knee joint for PJI and was medically treated for IE with six weeks of antibiotic therapy. The patient successfully recovered and was discharged to a rehabilitation facility. We conclude that PJI and IE secondary to TJA are very rare, but given the high morbidity and mortality, if diagnosis and treatment are delayed, physicians should always remain vigilant for these complications in the appropriate clinical context.
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Mitral annular abscesses are rare and can be caused by infective endocarditis. We present the case of a patient with an infected mitral prosthesis, with multiple suspected periprosthetic abscesses. However, perioperative inspection showed a supra-annular implanted prosthesis.
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This report presents the case of a 76-year-old woman from Honduras with severe mitral annular calcification and severe aortic stenosis who presented with chest pain and presyncope. She was found to have infective endocarditis with a large abscess on the posterior mitral leaflet secondary to Burkholderia cepacia bacteremia.
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We present the first worldwide case of a hybrid surgical-percutaneous procedure involving transvenous lead extraction, concomitant tricuspid valve repair, implantation of an atrioventricular (AV) leadless pacemaker, and extravascular implantable cardioverter-defibrillator placement with suturing of the defibrillation lead to the heart wall. Multiple interventions were necessary as a result of active endocarditis, congenital complete AV block, and ventricular arrhythmia secondary prevention.
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Background: Iron deficiency is the leading cause of anaemia worldwide and frequently observed in adolescent women, particularly those with eating disorders like anorexia nervosa. Consequently, clinicians may overlook iron deficiency anaemia, potentially missing a more serious diagnosis. Case summary: A 19-year-old woman was referred to the hospital by her general practitioner due to worsening symptomatic iron deficiency anaemia, despite treatment with oral iron supplementation. Her blood cultures consistently grew Streptococcus sanguinis, and an echocardiogram revealed vegetations on the mitral and tricuspid valves, confirming the diagnosis of infective endocarditis. Several systemic complications of varying acuity were identified, including a ruptured left common iliac artery aneurysm with active haemorrhage into the left psoas muscle, enlarging cerebral, hepatic, and right common femoral artery aneurysms, splenic infarction with abscess formation, and an infected left psoas muscle haematoma. Multimodal imaging and collaboration within the multidisciplinary endocarditis team were crucial for coordinating further evaluation and managing the complex array of peripheral lesions in infective endocarditis. The patient was discharged with a good clinical outcome after 81 days. Discussion: This case highlights the risks of overlooking iron deficiency anaemia in adolescent women with anorexia nervosa and the serious consequences of untreated complicated infective endocarditis. It emphasizes the need for thorough investigation of anorexia nervosa patients for infections due to their reduced clinical response, to ensure early diagnosis and treatment.
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Objective: To summarize the experience of surgical treatment and perioperative management of a case of infective endocarditis with aortic valve damage in a child with congenital heart disease. Methods: We retrospectively analyzed the treatment of a pediatric patient with infective endocarditis combined with aortic valve damage, who was admitted to the Department of Cardiovascular Surgery of our hospital in Yinchuan in March 2024. We summarize the case data and present a literature review. Results: The child recovered well after surgery, with echocardiographic re-examination, mild regurgitation of the aortic valve, and no recurrence of endocarditis. She recovered and was discharged from hospital. Conclusion: The surgical treatment of infective endocarditis in children has achieved satisfactory results, and the timing of and indications for surgery are very important to achieve the therapeutic effect.
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OBJECTIVES: This study aimed to analyse the impact of preoperative septic cerebral embolism on early and late postoperative outcomes in patients with infective endocarditis undergoing valve surgery. METHODS: Retrospective multicentric study based on the Clinical Multicentric Project for Analysis of Infective Endocarditis in Germany (CAMPAIGN) registry comprising patients with infective endocarditis who underwent valve surgery between 1994 and 2018 at 6 German centres. Patients were divided into 2 groups for statistical comparison according to the presence or absence of preoperative septic cerebral embolism. Propensity score matching was performed for adjusted comparisons of postoperative outcomes. Primary outcomes were 30-day mortality and estimated 5-year survival. RESULTS: A total of 4917 patients were included in the analysis, 3909 (79.5%) patients without and 1008 (20.5%) patients with preoperative septic cerebral embolism. Patients with preoperative septic cerebral embolism had more baseline comorbidities. Mitral valve endocarditis (44.1% vs 33.0% P < 0.001), large vegetations >10 mm (43.1% vs 30.0%, P < 0.001), and Staphylococcus species infection (42.3% vs 21.3%, P < 0.001) were more frequent in the cerebral embolism group. Among patients with preoperative cerebral embolism, 286 (28.4%) patients had no stroke signs (silent stroke). After matching (1008 matched pairs), there was no statistically significant difference in 30-day mortality (20.1% vs 22.8%; P = 0.14) and 5-year survival (47.8% vs 49.1%; stratified log-rank P = 0.77) in patients with and without preoperative cerebral embolism, respectively. CONCLUSIONS: Preoperative septic cerebral embolism in patients with infective endocarditis requiring valve surgery does not negatively affect early or late mortality; therefore, it should not play a major role in deciding if surgery is to be performed.
Subject(s)
Intracranial Embolism , Humans , Male , Female , Retrospective Studies , Middle Aged , Intracranial Embolism/mortality , Intracranial Embolism/epidemiology , Aged , Endocarditis/surgery , Endocarditis/mortality , Endocarditis/complications , Germany/epidemiology , Postoperative Complications/epidemiology , Treatment Outcome , Registries , Endocarditis, Bacterial/surgery , Endocarditis, Bacterial/mortality , Endocarditis, Bacterial/complications , Endocarditis, Bacterial/epidemiology , Cardiac Surgical Procedures/adverse effects , Cardiac Surgical Procedures/mortality , Heart Valve Prosthesis Implantation/adverse effects , Heart Valve Prosthesis Implantation/mortality , Heart Valve Prosthesis Implantation/statistics & numerical data , Heart Valves/surgery , Risk FactorsABSTRACT
Infective endocarditis (IE) is a rare but severe disease due to frequent and serious complications. Healthcare-associated cases often involve Staphylococcus aureus, while Gram-negative bacteria such as Klebsiella pneumoniae, though rare, pose severe challenges due to their resistance profiles. We report a case of a 68-year-old woman with a history of hypertension and mitral valve replacement 12 years ago, who was admitted to the intensive care unit (ICU) for management of non-traumatic, afebrile altered mental status due to intracerebral hemorrhage from anticoagulant overdose. His stay in the ICU revealed septic shock with multi-organ failure caused by carbapenemase (New Delhi metallo-ß-lactamase (NDM))-producing K. pneumoniae complicated by IE on the prosthetic mitral valve. Despite treatment with meropenem, colistin, and tigecycline, the patient succumbed to septic shock after 15 days of therapy. This case highlights the importance of close surveillance of nosocomial infections and the need for prompt management strategies integrating medical and surgical approaches to reduce the high mortality associated with such infections.
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OBJECTIVE: Patients with bicuspid aortic valves (BAV) are at increased risk of infective endocarditis (IE). Information of the clinical presentation and the microbiology of BAV-associated IE, however, is limited. Therefore, our study aimed to characterise the clinical features native valve endocarditis (NVE) in the setting of BAV and compared them to patients with prosthetic valve endocarditis (PVE) following BAV replacement. METHODS: Adult patients with BAV or history of BAV with aortic valve replacement (AVR) and a definite or possible IE diagnosis within the Mayo Clinic Enterprise (USA) from January 2008 to December 2021, were included. BAV was confirmed by trans-oesophageal echocardiography. IE was defined according to the modified Duke criteria and only an initial episode was included. Statistical analyses were performed to compare clinical characteristics, microbiology, and IE complications. RESULTS: Overall, 161 patients with BAV and IE (NVE [n=60], 37.3%) and PVE [n=101, 62.7%) were included. Mean age±SD was 56.5±16.1 years, and 139 (86.3%) patients were males. PVE patients were older (p<0.01) and had a higher rate of hypertension (p<0.01), chronic heart failure (p<0.01), chronic kidney disease (p<0.01), and perivalvular abscess (p<0.01). BAV patients with NVE had a higher prevalence of isolated mitral valve IE (p<0.01), moderate to severe aortic valve regurgitation (p<0.01) and combined aortic with mitral valve IE (p<0.01). Streptococcus mitis was the most common pathogen in NVE (30.0%) while Staphylococcus aureus was the most common in PVE (15.8%). CONCLUSIONS: Patients with BAV are at risk of both NVE and PVE. Each syndrome has unique clinical features, including microbiologic findings, that should be appreciated in IE diagnosis and management.
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PURPOSE: Antiplatelet therapy is used for the primary and secondary prevention of thrombotic diseases such as acute coronary syndrome (ACS). These patients are more vulnerable to infections, as such, strategies are required to mitigate these risks. METHODS: We conducted a retrospective cohort study using TriNetX, a global federated health research network that includes both inpatient and outpatient electronic medical records from health care organizations worldwide. Patients ≥18 years old, after ACS, who were placed on aspirin and ticagrelor were compared with patients placed on aspirin and clopidogrel or prasugrel. Patients were identified using International Statistical Classification of Diseases and Related Health Problems terminology codes. After propensity score matching (1:1), a total of 239,358 patients were identified in each cohort. The primary outcomes of interest investigated were rates of (1) acute and subacute infective endocarditis, (2) sepsis of unknown origin, (3) staphylococcus arthritis, (4) cellulitis and acute lymphangitis, (5) Staphylococcus aureus bacteremia, and (6) staphylococcal pneumonia after initiation of treatment. Outcomes were analyzed at 1, 3, and 5 years. FINDINGS: At 5 years, a combination of aspirin and ticagrelor, compared with a combination of aspirin and clopidogrel or prasugrel, was associated with significantly reduced rates of (1) acute and subacute endocarditis (hazard ratio [HR] plus 95% CI) (HR = 0.85; 0.77-0.945; P = 0.030), (2) sepsis of unknown origin (HR = 0.89; 95% CI, 0.86-0.91; P < 0.0001), (3) cellulitis and acute lymphangitis (HR = 0.89; 95% CI, 0.87-0.92; P < 0.0001, and (4) Staphylococcus aureus bacteremia (HR = 0.72; 95% CI, 0.61-0.85; P = 0.0007). However, a combination of aspirin and clopidogrel was associated with a marinally lower risk of staphylococcal pneumonia (HR = 1.04; 95% CI, 1.01-1.062; P < 0.0001). IMPLICATIONS: A combination of aspirin and ticagrelor is associated with a lower rate of a variety of bacterial infections. This combination warrants further investigation in in-vitro studies to tease out mechanisms and through clinical randomized trials in groups who have ACS and are at high infection risk.
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BACKGROUND: Having knowledge of the dental procedures that necessitate endocarditis prophylaxis is of high importance. Therefore, the aim of the present study was to determine the knowledge level and attitudes of general medical and dental practitioners, dental specialists, and cardiologists in Tehran and Hamadan about endocarditis. METHODS: This cross-sectional study was carried out on 420 general medical and dental practitioners, dental specialists, and cardiologists in Tehran and Hamadan provinces in 2015. The questionnaire used in this research consisted of three parts as follows: part one: information on cardiac diseases; part two: dental procedures requiring endocarditis prophylaxis; part three: antibiotic diet in endocarditis prophylaxis. Independent t-test, one-way ANOVA, and chi-square tests were conducted to analyze the data. All the analyses were performed in SPSS version 16. RESULTS: The results showed that 86.7 had a relatively favorable and 10.5% of subjects had a favorable level of knowledge about endocarditis. Also, 58.6% of subjects had a poor attitude toward endocarditis prophylaxis. There was a significant relationship between knowledge and attitude, age, gender, and work experience (P < 0.001). There was a significant relationship between knowledge and attitude, and job groups; dental specialists had a more favorable knowledge and positive attitude than others (P < 0.001). CONCLUSION: We recommended developing more practical training programs in dental schools on cardiac diseases, and dental procedures requiring endocarditis prophylaxis and antibiotic diets.
Subject(s)
Antibiotic Prophylaxis , Attitude of Health Personnel , Dentists , Health Knowledge, Attitudes, Practice , Humans , Iran , Cross-Sectional Studies , Male , Female , Adult , Dentists/psychology , Surveys and Questionnaires , Middle Aged , Endocarditis/prevention & control , Cardiologists , Endocarditis, Bacterial/prevention & controlABSTRACT
Fungi rarely cause infective endocarditis but when they do, they are often associated with poor outcomes. Candida tropicalis accounts for only 10% of Candida endocarditis cases. A case of a 30-year-old male with a history of intravenous drug abuse was reported to the emergency department in August, 2021 with right-sided leg pain and fever for 3 days. A trans-thoracic echocardiogram showed a vegetation on the aortic valve and a computed tomography angiogram showed complete nonopacification of the right-sided common iliac artery and the superficial femoral artery just distal to its branching of the right profunda femoris artery. An emergent right iliofemoral embolectomy was done. Candida tropicalis was isolated from tissue and blood cultures. The patient was successfully treated with aortic valve replacement and intravenous caspofungin. The other reported cases of Candida tropicalis were reviewed and findings were compared with those reported in patients with Candida albicans and Candida parapsilosis endocarditis.
Subject(s)
Antifungal Agents , Candida tropicalis , Candidiasis , Endocarditis , Humans , Candida tropicalis/isolation & purification , Male , Adult , Antifungal Agents/therapeutic use , Candidiasis/diagnosis , Candidiasis/microbiology , Candidiasis/drug therapy , Endocarditis/microbiology , Endocarditis/diagnosis , Endocarditis/drug therapy , Caspofungin/therapeutic use , Substance Abuse, Intravenous/complications , Heart Valve Prosthesis Implantation , Embolectomy/methods , Aortic Valve/surgery , Aortic Valve/microbiology , Aortic Valve/diagnostic imaging , Femoral Artery/surgery , Femoral Artery/microbiology , Femoral Artery/diagnostic imagingABSTRACT
PURPOSE: Staphylococcus aureus prosthetic valve endocarditis (SAPVE) is a serious infection with high mortality. The main objective of this study was to identify factors associated with in-hospital mortality. METHODS: From January 2008 to December 2021, consecutive patients from a Spanish cohort of infective endocarditis with a definitive diagnosis of SAPVE were analyzed. RESULTS: During the study period, 219 cases of definitive SAPVE were diagnosed, which accounted for 16.7% of a total of 1309 cases of definitive prosthetic valve endocarditis (PVE). Patients presented advanced age and marked comorbidity. There was a higher incidence of persistent bacteremia, septic shock, stroke, and acute kidney injury than in cases of PVE caused by other microorganisms. Methicillin resistance was not associated with differences in clinical presentation, echocardiographic findings, or mortality. Only 50.6% of the patients with surgical indications (88 patients) underwent surgery. Overall, in-hospital mortality was 47.9%. The variables associated with in-hospital mortality were age (OR:1.03, 95% CI: 1.00-1.05; p = 0.016), heart failure (OR:2.86, 95% CI: 1.53-5.32; p = 0.001), acute kidney injury (OR:2.42, 95%CI:1.28-4.58; p = 0.006), stroke (OR:3.53, 95%CI:1.79-6.96; p < 0.001) and surgery indicated but not performed (OR:2.01, 95%CI:1.06-3.8; p = 0.030). On the other hand, the performance of surgery per se in patients with SAPVE, regardless of whether there was a surgical indication according to the guidelines, was not associated with a reduction in in-hospital mortality. CONCLUSIONS: SAPVE is characterized by high mortality, which is more marked in patients who present a surgical indication but do not undergo surgery.
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Whipple disease is a rare systemic illness associated with weight loss, diarrhea, and arthralgia. Asymptomatic carriage is common, but the disease can be complicated by cardiac involvement and may result in culture-negative endocarditis. Cardiac manifestations of the disease can lead to death. This report presents the case of a 66-year-old man with Whipple disease and biventricular heart failure with cardiogenic shock. Medical therapy followed by successful replacement of the aortic and mitral valves resulted in substantial improvement.
Subject(s)
Endocarditis, Bacterial , Heart Failure , Heart Valve Prosthesis Implantation , Tropheryma , Whipple Disease , Humans , Male , Aged , Whipple Disease/diagnosis , Whipple Disease/complications , Whipple Disease/drug therapy , Whipple Disease/microbiology , Heart Failure/diagnosis , Heart Failure/microbiology , Heart Failure/therapy , Heart Failure/etiology , Endocarditis, Bacterial/microbiology , Endocarditis, Bacterial/diagnosis , Endocarditis, Bacterial/complications , Endocarditis, Bacterial/therapy , Tropheryma/isolation & purification , Treatment Outcome , Anti-Bacterial Agents/therapeutic use , Mitral Valve/diagnostic imaging , Mitral Valve/microbiology , Mitral Valve/surgery , Shock, Cardiogenic/etiology , Shock, Cardiogenic/therapy , Shock, Cardiogenic/diagnosis , Shock, Cardiogenic/microbiology , Aortic Valve/microbiology , Aortic Valve/surgery , Aortic Valve/diagnostic imaging , Heart Valve Diseases/microbiology , Heart Valve Diseases/diagnosis , Heart Valve Diseases/complicationsABSTRACT
In recent years, there has been a shift in the epidemiology of patients with infective endocarditis (IE). This has been characterized by an alarming increase in IE in patients who inject drugs, cardiac implantable electronic device-related IE, and those with comorbid conditions and high surgical risk. This unmet need has mandated a reevaluation of complex management strategies in these patients and introduction of unconventional approaches in treatment. Percutaneous mechanical aspiration has emerged as both a diagnostic and therapeutic option in selected patients with IE. In this review, the authors discuss the gaps in care of IE, rationale, device armamentarium, procedural, and technical considerations and applications of percutaneous mechanical aspiration in IE.
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Loeffler's endocarditis, characterized by eosinophilic infiltration leading to thrombus formation and fibrosis in the ventricle, is associated with severe complications, such as embolism and heart failure. While anticoagulation and steroids are standard treatments, surgical thrombectomy is rarely reported. This is a case report of a 74-year-old man presented with an abnormal electrocardiogram. Echocardiography revealed a 38 × 29 mm mass in the left ventricular apex, and blood studies revealed hypereosinophilia, leading to a diagnosis of Loeffler's endocarditis. Despite warfarin treatment, the thrombus persisted. The left ventricular intracardiac thrombus exhibited significant mobility, and we decided to perform a thrombectomy via a trans-left ventricular approach. After the surgery, steroid therapy was initiated. The patient recovered without recurrence of the thrombus or deterioration in cardiac function. Left ventricular thrombectomy for Loeffler's endocarditis is considered a beneficial option to prevent thrombosis.