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Interventricular septal dissection secondary to acute inferior myocardial infarction: case series and literature review.

J Cardiothorac Surg

January 2025

Echocardiography and Vascular Ultrasound Center, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Road, Hangzhou, 310003, China.

Background: Interventricular septal dissection is a critical disease characterized by the separation of the intraventricular septum into two layers, forming an intermediate layer with a cystic cavity that communicates with the root of the aorta or ventricle. It has low morbidity and high mortality rates.

Case Presentation: Case 1: A 58-year-old male with a history of hypertension and smoking presented to a local hospital due to chest tightness and pain for 4 days.

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Case Report: Painful left bundle branch block syndrome complicated with vasovagal syncope.

Front Cardiovasc Med

January 2025

Department of Cardiology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China.

Background: Painful left bundle branch block (LBBB) syndrome is an uncommon disease that is defined as intermittent episodes of angina associated with simultaneous LBBB changes on an electrocardiogram (ECG) with the absence of flow-limiting coronary artery disease or ischemia on functional testing. Vasovagal syncope (VVS) is the most common cause of syncope and can be provoked by sublingual nitroglycerin (NTG). Herein, we report a case of painful LBBB syndrome complicated with VVS, which was misdiagnosed as acute coronary syndrome and cardiogenic shock.

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The surgical procedure detailed in this case report focuses on the treatment of a large cardiac hydatid cyst located in the intraventricular septum. The surgical intervention comprised a comprehensive approach involving a median sternotomy and cardiopulmonary bypass. A localized mass below the tricuspid valve at the basal region of the interventricular septum was revealed.

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Article Synopsis
  • Left bundle branch area pacing (LBBAP) is a new approach to pacing that aims to improve heart function after aortic valve replacement, compared to the traditional right ventricular septal pacing (RVSP).
  • The Left Bundle BRAVE study is a clinical trial designed to compare LBBAP and RVSP in patients with severe aortic stenosis and high-degree heart block to see which method better preserves heart function.
  • Key outcomes being measured in the study include changes in heart strain and ejection fraction, along with other markers of heart health and patient performance over a 9-month period.
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Delayed cord clamping in preterm twin infants: a systematic review and meta-analysis.

Am J Obstet Gynecol

October 2024

CHU Sainte-Justine, Montréal, QC, Canada; Division of Neonatology, Department of pediatrics.

Objective: To compare the effects of delayed cord clamping vs early cord clamping on all-cause in-hospital mortality and selected morbidities among preterm twin neonates.

Data Sources: A search of PubMed, Ovid Medline, Embase, Cochrane database, Web of Science, and CINAHL was conducted in December 2023 for studies comparing delayed cord clamping to immediate cord clamping in preterm twin neonates.

Study Eligibility Criteria: Studies were deemed eligible if they included preterm twin neonates (<37 weeks of gestation), compared delayed (≥30 seconds) vs early (<30 seconds) umbilical cord clamping at delivery and described at least one outcome of interest.

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