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Long-Term Eosinophil Depletion: A Real-World Perspective on the Safety and Durability of Benralizumab Treatment in Severe Eosinophilic Asthma.
J Clin Med
December 2024
UOC Allergologia-Asma Center, University of Verona, 37129 Verona, Italy.
Benralizumab is an anti-IL-5 receptor alpha monoclonal antibody that induces the near-complete depletion of eosinophils. This study aimed to evaluate the long-term safety and effectiveness of benralizumab in patients with severe eosinophilic asthma (SEA) over an extended 48-month follow-up period, offering one of the longest real-world perspectives available. This was a single-arm, retrospective, observational, multicenter study involving 123 SEA patients treated with benralizumab at a dosage of 30 mg every 4 weeks for the first 3 doses and then every 8 weeks.
View Article and Find Full Text PDFVagal response during radiofrequency catheter ablation initiated from right superior pulmonary vein: Incidence, risk factors, and clinical outcomes.
Int J Cardiol
December 2024
Central China Fuwai Hospital, Heart Center of Henan Provincial People's Hospital, Central China Fuwai Hospital of Zhengzhou University, Zhengzhou, Henan, China. Electronic address:
Article Synopsis
- The study investigates the vagal response (VR) during pulmonary vein isolation (PVI) for atrial fibrillation (AF), focusing on the incidence, risk factors, and outcomes of VR when initiated from the right superior pulmonary vein (RSPV).
- A total of 702 AF patients were included, with 77 (11.0%) experiencing 81 episodes of VR, primarily in those with paroxysmal AF, and common VR symptoms included sinus arrest and bradycardia.
- Increased body mass index (BMI) and left ventricular ejection fraction (LVEF) were identified as independent risk factors for VR, but the presence of VR did not correlate with improved long-term outcomes in AF recurrence.
Targeted Ganglionated Plexi Ablation With Nanoformulated Calcium Suppresses Postoperative AF Via Vagosympatholytic and Anti-Inflammatory Effects.
JACC Clin Electrophysiol
November 2024
Electrophysiology Section, Division of Cardiology, Hunter Holmes McGuire VA Medical Center, Richmond, Virginia, USA; Pauley Heart Center, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA. Electronic address:
Background: The mechanisms underlying postoperative atrial fibrillation (POAF) remain unclear.
Objectives: The aim of this study was to test the hypothesis that targeted chemical ganglionated plexi (GP) modulation of all major left atrial-pulmonary vein GP using novel nanoformulated calcium chloride (nCaCl) can reverse postoperative neuroelectrical remodeling by suppressing vagosympathetic nerve activity and the localized inflammatory process, both critical substrates of POAF.
Methods: In a novel canine model of POAF with serial thoracopericardiotomies, sympathetic nerve activity (SNA), vagal nerve activity (VNA) and GP nerve activity (GPNA) were recorded; spontaneous and in vivo AF vulnerability were assessed; and atrial and circulating inflammatory markers and norepinephrine (NE) were measured to determine the neuroelectrical remodeling that promotes POAF and its subsequent modulation with nCaCl GP treatment (n = 6) vs saline sham controls (n = 6).
Balloon pulmonary angioplasty (BPA) is now a widely accepted treatment for inoperable chronic thromboembolic pulmonary hypertension (CTEPH), but it still faces the problem of high complications. Herein, we report a rare case of severe vagal response during the BPA of a total occlusion lesion in a patient with CTEPH. The patient experienced acute chest pain and dyspnea, accompanied by a significant decrease in heart rate and blood pressure.
View Article and Find Full Text PDFCase report: Extreme respiratory sinus arrhythmia in a non-athlete female student - a peculiar finding at the Physiology practicum.
Front Neurosci
November 2024
Department of Medical Biology, Section Systems Physiology, Amsterdam University Medical Centers, Amsterdam, Netherlands.
During an ECG-training course, a case of extreme respiratory sinus arrhythmia (RSA) was found in a 19-year-old slender, female student who was not active in sports. The heart rate (HR) fluctuated from above 100 to below 60 beats per minute (bpm), often from one beat to the next. The pattern was repetitive and appeared to be linked to respiration, representing an extreme form of RSA.
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