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LV Pseudoaneurysm With Concomitant Mitral Valve Defect After LV Summit Ablation : A Rare Late Complication

ABSTRACT: A 25-year-old male patient with highly symptomatic, monomorphic, premature ventricular contractions presented for repeat ablation after failed endocardial ablation. Three weeks after excessive endocardial and epicardial ablation on the left ventricular summit, the patient was admitted again with tamponade following a pseudoaneurysm on the ablation site. (Level of Difficulty: Advanced.) Central Illustration

SUBMITTER: Darma A

PROVIDER: S-EPMC8603023 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Left ventricular pseudoaneurysm as a complication of prosthetic mitral valve infective endocarditis.

Project description:We report a case of infective endocarditis complicated with left ventricular pseudoaneurysm originating from the posterior annulus of the prosthetic mitral valve in a 56-year-old woman. Despite prolonged antibiotic treatment, transesophageal echocardiography (TEE) showed partial detachment of the prosthesis from the posterior mitral annulus. Three-dimensional rotational computed tomography clearly demonstrated a pseudoaneurysm toward the posterolateral portion of the mitral prosthetic valve, which was not evident by TEE. Valve replacement and repair of the pseudoaneurysm were performed 83 days after initiation of antibiotic therapy. Left ventricular pseudoaneurysm is a rare but serious complication of mitral prosthetic valve endocarditis. It requires prompt diagnosis and early surgical intervention. <Learning objective: We present a case of infective endocarditis (IE) complicated with left ventricular pseudoaneurysm originating from the prosthetic mitral valve. Repeated transesophageal echocardiography is recommended for all IE patients when perivalvular extension is suspected. Electrocardiography-gated three-dimensional-computed tomography is useful for detection and evaluation of pseudoaneurysm, especially in planning surgical procedures.>.

| S-EPMC6281488 | biostudies-other

Pseudoaneurysm of the mitral-aortic intervalvular fibrosa as a complication after minimally invasive mitral valve repair.

Project description:Pseudoaneurysm of the mitral-aortic intervalvular body is a rare condition, which has been reported as a result of endocarditis, chest trauma or cardiac surgery. We describe here the first case after minimally invasive mitral valve repair. Such a complication may be overlooked in the early postoperative echocardiographic study and may lead to fistula formation, compression of adjacent structures, infection, or rupture. Both computed tomography and echocardiography provide a detailed anatomy of the pseudoaneurysm and its communication with the left ventricular outflow tract.

| S-EPMC3568817 | biostudies-other

A Rare Case of Post-Mitral Valve Replacement Ventricular Pseudoaneurysm, Bioprosthetic Dehiscence, and Paravalvular Mitral Regurgitation.

Project description:We present a rare case of a young patient who underwent a bioprosthetic mitral valve replacement and subsequently experienced a left ventricular pseudoaneurysm complicated by valve dehiscence and paravalvular mitral regurgitation, demonstrated by multimodality imaging and confirmed during surgical repair. (Level of Difficulty: Advanced.).

| S-EPMC9175202 | biostudies-literature

Giant left ventricular pseudoaneurysm: a rare acute complication of radiofrequency catheter ablation for premature ventricular contraction.

Project description:BACKGROUND:Radiofrequency catheter ablation is approved effective therapy for premature ventricular contraction. However, the rare but serious complication such as pseudoaneurysm should be given more attention. It is life-threatening due to the high risk of rupture. Only few cases have been reported in the literature. We herein report a huge acute left ventricular pseudoaneurysm after catheter ablation therapy. CASE PRESENTATION:A 69-year-old man underwent radiofrequency catheter ablation for premature ventricular contraction at a local hospital. The patient developed shock the second day after ablation. A chest computed tomography (CT) scan showed pericardial effusion. Pericardiocentesis was performed, and the puncture fluid was a bloody pericardial effusion. The transthoracic echocardiogram revealed an 9-?×?4-cm giant pseudoaneurysm with a cystic structure in the left ventricular inferior wall near the mitral annulus along the left atrium. The pseudoaneurysm was connected to the left ventricular cavity through a 8-mm neck, and the lumen was filled with systolic and diastolic blood flow. The patient underwent three-dimensional transesophageal echocardiography. The pseudoaneurysm and the tract was clearly visible. Emergency surgery was performed to resect the pseudoaneurysm. A bovine pericardial patch was placed on the neck of the pseudoaneurysm. Echocardiographic examination confirmed the absence of cardiac lesions after the operation. CONCLUSIONS:It is rare to see such a large pseudoaneurysm after radiofrequency catheter ablation. Clinicians should be allert to the potential risks to patients in the process of an effective treatment. Echocardiography plays an important role in the prompt diagnosis and prognosis of this disease. Emergency surgery is a better method for treatment of huge pseudoaneurysm.

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Left atrial endocarditis as a rare complication of mitral valve endocarditis: a clinical case.

Project description:BackgroundInfective Endocarditis (IE) is considered as a multifaceted problem in every aspect from etiology and presentation to diagnosis and management. Early recognition of this disease and especially its complications, remain a critical task for the cardiologist. Atrial endocarditis is a rare and sometimes unrecognized complication of mitral valve endocarditis.Case presentationWe present a 48 year-old male patient who was admitted to our clinic because of recent onset of malaise, fever, jaundice and peripheral edema. Important physical findings were peripheral stigmata of IE in addition to holosystolic murmur over the left sternal border. Transthoracic and transesophageal echocardiophy revealed a severe eccentric MR due to a flailed posterior mitral valve caused by IE. The presence of atrial septal endocarditis caused by jet streaming was also observed. Blood culture was positive for streptococcus oralis and antibiotic therapy was immediately initiated. Considering the large burden of infective tissue, the patient was planned for an early surgical intervention. A minimally invasive resection of the atrial mass, direct closure of the defect, resection of the diseased portions of mitral leaflets and implantation of a biological mitral valve prosthesis was performed. Intra-operative and histological findings confirmed provisional diagnosis by echocardiography.ConclusionsTogether with comprehensive echocardiographic evaluation, attention should be placed on mural vegetations and excluded among all cases of mitral valve endocarditis, particularly those with severe eccentric regurgitant jets.

| S-EPMC3507814 | biostudies-literature

Anterior mitral leaflet perforation: a rare complication of radiofrequency ablation for paroxysmal supraventricular tachycardia.

Project description:A 9-year-old girl with a ten-day history of palpitations was referred for the assessment of mitral regurgitation. She had had RF ablation for paroxysmal supraventricular tachycardia 5 years previously. Echocardiography showed isolated anterior mitral leaflet perforation. Surgical findings confirmed the echocardiographic assessment.

| S-EPMC5538059 | biostudies-other

Severe Intermittent Transvalvular Mitral Valve Regurgitation: Serious Complication of Mitral Valve Replacement With Subvalvular Preservation.

Project description:Mitral valve replacement with subvalvular preservation is a favorable technique to protect left ventricular function and improve long-term survival. However, complications of the procedure should be considered. We report the case of a patient with a history of prosthetic mitral valve replacement with severe intermittent transvalvular mitral regurgitation and reduced ejection fraction. (Level of Difficulty: Advanced.).

| S-EPMC8302801 | biostudies-literature

Sinus node dysfunction after surgical atrial fibrillation ablation with concomitant mitral valve surgery: Determinants and clinical outcomes.

Project description:ObjectiveWe sought to investigate determinants and prognosis of sinus node dysfunction (SND) after surgical ablation of atrial fibrillation (AF) with concomitant mitral valve (MV) surgery. A total of 202 patients who underwent surgical AF ablation with concomitant MV surgery were studied.Study design and settingSND was defined as electrocardiographic manifestations, such as junctional bradycardia, symptomatic sick sinus syndrome, or symptomatic sinus bradycardia, 7 days after surgery. Baseline clinical and echocardiographic characteristics, rhythm outcomes [AF recurrence or permanent pacemaker (PM) implantation] at 6 and 12 months, and clinical outcomes were compared between patients without SND (n = 165) and those with SND (n = 37) after surgery.ResultsPatients with SND showed a significantly larger left atrial volume index (LAVI) and a higher right ventricular systolic pressure than those without SND. In addition, there was a higher likelihood for AF recurrence and PM implantation in patients with SND than in those without SND. Although clinical outcomes did not differ between the two groups, patients with SND had a significantly longer length of hospital stay (p<0.001). In a multivariate analysis, preoperative LAVI was a structural risk factor for SND [hazard ratio (HR): 1.126 per 10 mL/m2; 95% confidence interval (CI): 1.0206-1.236; p = 0.001]. An LAVI cut-off value of 105 mL/m2 showed significant predictive power for SND [sensitivity: 62%; specificity: 64%; area under the curve (AUC): 0.678; p = 0.002].ConclusionsIn conclusion, preoperative LA size was a structural risk factor for SND after surgical AF ablation during MV surgery. SND was associated with an increased risk for AF recurrence and implantation of permanent PM in patients undergoing concomitant surgical ablation of AF with MV surgery.

| S-EPMC6135507 | biostudies-literature

Totally endoscopic aortic valve replacement with concomitant trans-aortic mitral valve repair for mitral regurgitation.

Project description:BackgroundMinimally invasive aortic valve procedures through a hemi-sternotomy or a right anterior mini-thoracotomy have gained popularity over the last several years. Totally endoscopic aortic valve replacement (TEAVR) is an innovative and a less invasive (incision-wise) surgical aortic valve replacement technique. The operative steps of TEAVR have been reported previously from our group. Mitral regurgitation (MR) frequently accompanies aortic valve disease that at times may also require repair. Totally endoscopic surgery in such cases has not been tested.Presentation of the techniqueWe present a surgical technique for a totally endoscopic approach to aortic valve replacement and concomitant mitral valve repair for primary and secondary MR. An aortotomy incision was used avoiding an atriotomy, which results in an increase in cross-clamp (XC) and cardiopulmonary bypass (CPB) times that could be associated with higher mortality and morbidity. Neochords (artificial chordae tendineae) were used for primary MR and an edge-to-edge approach for secondary MR.ConclusionTEAVR and concomitant mitral valve repair can be performed successfully with reasonable XC and CPB times with excellent short-term results.

| S-EPMC8557064 | biostudies-literature

Internal repair of left ventricular pseudoaneurysm late after mitral valve replacement.

Project description:Late left ventricular pseudoaneurysm is a rare complication after mitral valve replacement. Most investigators have recommended surgical repair to treat left ventricular pseudoaneurysm, since untreated left ventricular pseudoaneurysm have a high risk of rupture. Here, we report a case of a 57-year old man with left ventricular pseudoaneurysm. He had two prior mitral valve replacements 16 and 19 years ago, as well as mitral and aortic valve endocarditis causing mitral valve perivalvular leak and perforation of the aortic valve. The mitral and aortic valves were replaced with bovine pericardial valves. Left ventricular pseudoaneurysm was successfully repaired internally in our case because the internal wall at the level of the left ventricle was very fibrotic and matured.

| S-EPMC3867041 | biostudies-literature

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