Robotic mitral valve repair for papillary muscle rupture.
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ABSTRACT:
SUBMITTER: Hashimoto M
PROVIDER: S-EPMC9579726 | biostudies-literature | 2022 Oct
REPOSITORIES: biostudies-literature
Publications
Robotic mitral valve repair for papillary muscle rupture.
Hashimoto Makoto M Koshima Ryuji R
JTCVS techniques 20220806
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Project description:A 75-year-old man was admitted to the emergency department for a late-presenting myocardial infarction. The coronary angiography revealed a thrombotic occlusion of the circumflex artery. He presented a rapid hemodynamic and respiratory deterioration as a result of a severe mitral regurgitation with a flail anterior leaflet due to a partial tear of the medial papillary muscle (PM). Given the patient's comorbidities, a percutaneous mitral valve repair with two-dimensional (2D)/3D transesophageal echocardiography was performed, deploying two MitraClips. MitraClip implantation may be considered in an acute setting of PM tear as an alternative for surgical treatment in selected patients.
| S-EPMC8388319 | biostudies-literature
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| S-EPMC11845380 | biostudies-literature
Project description:Papillary muscle rupture is an infrequent and highly morbid mechanical complication of acute myocardial infarction. Surgical repair or replacement is traditionally considered first-line therapy. However, many of these patients present in extremis with prohibitively high surgical risk. Repair of mitral regurgitation with the MitraClip device (Abbot Vascular, Menlo Park, CA, USA) is an established therapy to treat degenerative and functional mitral regurgitation. We present a case of successful repair of severe mitral regurgitation due to papillary muscle rupture in the setting of acute myocardial infarction. A two-clip strategy resulted in mild residual mitral regurgitation with resolution of cardiogenic shock and refractory hypoxemia requiring veno-venous extracorporeal membrane oxygenation. Six-month follow-up echocardiogram identified durable results with mild mitral regurgitation and left ventricular ejection fraction of 63 %. Our case demonstrates that percutaneous mitral valve repair with MitraClip is a well-tolerated procedure that can provide acute and long-term benefit for patients with acute mitral regurgitation due to papillary muscle rupture who are at prohibitively high surgical risk. <Learning Objective: Our case illustrates the role of MitraClip in acute mitral regurgitation due to papillary muscle rupture in cardiogenic shock as an alternative to surgical intervention in extremely high-risk patients.>.
| S-EPMC7588477 | biostudies-literature
Project description:BackgroundPapillary muscle (PM) rupture is a devastating mechanical complication of myocardial infarction that leads to cardiogenic shock and death. In this case, we report a patient with acute mitral regurgitation due to PM rupture that was treated successfully with MitraClip.Case summaryAn 85-year-old female patient with anterior ST-elevation myocardial infarction complicated with PM rupture and acute severe mitral regurgitation was admitted to our hospital. The patient's surgical risk was considered to be prohibitively high, and was therefore, referred for transcatheter edge-to-edge repair with MitraClip. The procedure was successful, and the patient was discharged home in a stable condition.DiscussionAcute mitral regurgitation due to PM rupture is a mechanical complication of myocardial infarction that should be treated early because of high mortality rates. This case highlights the role of MitraClip in acute mitral regurgitation and acute heart failure as an alternative to surgery method in high-risk patients.
| S-EPMC6439366 | biostudies-literature
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| S-EPMC10750882 | biostudies-literature
Project description:BackgroundWe report 3 cases of rescue transventricular off-pump mitral valve (MV) repair in high-risk patients with acute mitral regurgitation (MR) due to post-myocardial infarction (MI) papillary muscle rupture (PMR).MethodsThe 3 patients presented with acute inferior ST elevation myocardial infarction, cardiogenic shock, and pulmonary edema. Their preoperative peak troponin I levels were 1909 ng/L, 16,963 ng/L, and 8299 ng/L. All 3 patients underwent successful percutaneous intervention to the culprit coronary artery, and antiplatelet therapy was initiated. All patients required inotropic support and had an intra-aortic balloon pump inserted preoperatively. Transesophageal echocardiography (TEE) demonstrated severe eccentric MR due to the leaflet prolapse secondary to PMR. The patients' estimated EuroSCORE II scores were 16.03%, 16.68%, and 7.81%, and their Society of Thoracic Surgeons scores were 14.77%, 18.24%, and 9.8%, respectively. All 3 patients underwent urgent transventricular off-pump MV repair using artificial chords, with 2 or 3 three neochords implanted. The duration of operation was <2 hours, and intraoperative and postoperative drainage was minimal in all cases. MV function was assessed by qualitative and semiquantitative TEE.ResultsIntraoperative MR reduction to a mild level was achieved in all 3 patients. All patients had moderate MR at discharge, likely due to left ventricular remodeling. Severe MR recurred in all patients, at 5, 4, and 2 months of follow-up, respectively. All 3 patients underwent an elective MV reoperation via conventional approach.ConclusionsOff-pump transventricular MV repair may offer a safe and feasible alternative to stabilize high-risk patients with acute MR due to post-MI PMR. Although early MR recurrence is concerning, urgent transventricular MV repair may serve as a bridge to conventional surgery in such unstable patients.
| S-EPMC8691823 | biostudies-literature
Project description:BackgroundPapillary muscle rupture due to infective endocarditis is a rare event and proper management of this condition has not been described in the literature. Our case aims to shed light on treatment strategies for these patients using the current guidelines.Case presentationThis case presents a 58-year-old male with acute heart failure secondary to papillary muscle rupture. He underwent an en bloc resection of his mitral valve with a bioprosthetic valve replacement. Specimen pathology later showed necrotic papillary muscle due to infective endocarditis. The patient was further treated with antibiotic therapy. He recovered well post-operatively and continued to do well after discharge.ConclusionIn patients who present with papillary muscle rupture secondary to infective endocarditis, clinical symptoms should drive the treatment strategy. Despite the etiology, early mitral valve surgery remains treatment of choice for patients who have papillary muscle rupture leading to acute heart failure. Culture-guided prolonged antibiotic treatment is vital in this category of patients, especially those who have a prosthetic valve implanted.
| S-EPMC9270734 | biostudies-literature
Project description:BackgroundIschemic papillary muscle rupture (PMR) is a catastrophic complication following acute myocardial infarction (AMI). We evaluated early outcomes of PMR by using data from the Japan Cardiovascular Surgery Database, a nationwide Japanese registry.MethodsWe retrospectively analyzed data from 196 patients diagnosed with PMR following AMI in Japan between January 2014 and December 2017. Risk factors for operative mortality and severe complications following mitral valve surgery were analyzed.ResultsThe 30-day and hospital mortality rates were 20% and 26%, respectively. Chronic hemodialysis, abrupt rupture after AMI, resuscitation before surgery, and preoperative venoarterial extracorporeal membrane oxygenation were associated with mortality. Mitral valve replacement was chosen mainly (90%) for surgical correction of mitral regurgitation in these patients. There was no significant difference in short-term outcomes between mitral valve replacement versus mitral valve repair, despite non-matched characteristics in background between the treatment groups. Concomitant coronary artery bypass grafting had no impact on short-term outcomes.ConclusionsInformation derived from the nationwide database of patients with AMI-associated PMR show that PMR is a rare condition in the modern era. However, PMR is a severe disease with a mortality rate as high as 26%. The severity of the condition is associated with the risk for poor outcomes.
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