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Background: This is a case report of a patient with Fabry disease (FD). We successfully treated a patient with ventricular septal hypertrophy and left ventricular outflow tract (LVOT) obstruction caused by FD. We report our exclusive new surgery for patients with LVOT obstruction, percutaneous intramyocardial septal radiofrequency ablation (PIMSRA) procedure™ (percutaneous intramyocardial septal radiofrequency ablation). The patient recovered well 7 months after operation, and no LVOT obstruction and arrhythmia occurred.
Case Summary: A 51-year-old woman with chest tightness after satiety for ∼10 years, aggravated for 2 months. The patient had a history of multiple syncope, syncope after activity or emotional excitement. Echocardiogram demonstrated ventricular septal thickness of 22 mm by the report. Genetic testing revealed gene mutation, which was consistent with FD (GLA: c.643A > C). Biochemical evaluation reported reduced serum α-galactosidase A activity and abnormal serum Lyso-GL-3 enzyme activity. The patient and her families decided to perform PIMSRA operation. After the operation, the septal thickness steadily decreased to 16 mm over the course of 7 months. However, the patient's symptoms improved significantly.
Discussion: This is the first case of cardiac involvement caused by FD mimicking hypertrophic cardiomyopathy treated with the innovative PIMSRA procedure. Percutaneous intramyocardial septal radiofrequency ablation procedure can be one of the effective treatments to alleviate cardiac hypertrophy and left ventricular obstruction in FD.
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http://dx.doi.org/10.1093/ehjcr/ytae660 | DOI Listing |
Egypt Heart J
September 2025
Department of Medicine, Faculty of Medicine, Tbilisi State Medical University, Tbilisi, Georgia.
Background: ST-elevation myocardial infarction (STEMI) is a major cardiac event that requires rapid reperfusion therapy. The same reperfusion mechanism that minimizes infarct size and mortality may paradoxically exacerbate further cardiac damage-a condition known as reperfusion injury. Oxidative stress, calcium excess, mitochondrial malfunction, and programmed cell death mechanisms make myocardial dysfunction worse.
View Article and Find Full Text PDFJ Cardiothorac Surg
August 2025
Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Third Hospital of Shanxi Medical University, Tongji Shanxi Hospital, Taiyuan, 030032, China.
Background: We assessed the diagnostic efficacy of magnetic resonance imaging (MRI) in patients with acute myocardial infarction (AMI).
Methods: In this study, 116 patients with acute myocardial infarction (AMI) underwent direct PCI intervention, admitted to our hospital between January 2018 and January 2021 were selected. Based on the presence of intramyocardial hemorrhage (IMH), they were divided into the IMH group and the non-IMH group.
NEJM Evid
September 2025
Indiana University School of Medicine, Indianapolis.
Background: Advances in acute ST-elevation myocardial infarction (STEMI) care have substantially decreased in-hospital mortality; however, in absolute terms, in-hospital mortality still remains high. Reperfusion injury, particularly intramyocardial hemorrhage following primary percutaneous coronary intervention (PCI), is a major predictor of adverse cardiovascular outcomes in the long term, but whether it contributes to in-hospital mortality is not known.
Methods: We performed a multicenter study to investigate the use of post-PCI high-sensitivity cardiac troponin I (hs-cTn-I) as a diagnostic tool to identify hemorrhagic myocardial infarction (MI) by determining hourly hs-cTn-I thresholds (every hour up to 12 hours, and at 16, 20, 24, and 48 hours post-PCI).
BMC Cardiovasc Disord
August 2025
Department of Cardiology, The Fourth Affiliated Hospital of Soochow University, Chongwen Road 9, Suzhou, Jiangsu, China.
Background: Intramyocardial hemorrhage (IMH) after ST-segment elevation myocardial infarction (STEMI) reperfusion increases the risk of major adverse cardiovascular events (MACE). We aimed to integrate a coronary angiography-derived index of microcirculatory resistance (caIMR) with clinical features in a nomogram model for predicting IMH in patients with STEMI following primary percutaneous coronary intervention (PCI).
Methods: A retrospective study included 309 STEMI patients admitted at Xuzhou Medical University for primary PCI from 2022 to 2023 in training and validation cohorts.
Int J Cardiol Heart Vasc
October 2025
University of Nebraska Medical Center, Division of Cardiovascular Medicine, Omaha, NE, United States.
Background: Several randomized clinical trials have studied sonothrombolysis as adjunctive treatment in ST-elevation myocardial infarction (STEMI) patients to reduce infarct size (IS) and preserve left ventricular (LV) function. This study aims to assess infarct characteristics and LV function in STEMI patients treated with sonothrombolysis following primary percutaneous coronary intervention (PCI) on cardiovascular magnetic resonance (CMR) imaging..
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