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The guide extension-facilitated ostial stenting (GEST) technique uses a guide extension catheter (GEC) to improve stent delivery during primary coronary angioplasty (PCI). GECs are used for stent delivery into the coronary arteries of patients with difficult anatomy due to tortuosity, calcification, or chronic total occlusion (CTO) vessels. Stent and balloon placement has become challenging in patients with increasing lesion complexity due to tortuosity, vessel morphology, length of the lesion, and respiratory movements.
View Article and Find Full Text PDFFirst Experience With a Novel Self-Expandable Valve for Mitral Annular Calcification Guided by Three-Dimensional Printing.
Catheter Cardiovasc Interv
January 2025
Department of Cardiovascular Surgery, Xijing Hospital, Air Force Medical University, Xi'an, Shaanxi, China.
Transcatheter mitral valve replacement (TMVR) may emerge as a surgical alternative for high-risk patients with severe mitral annular calcification (MAC), yet several questions remain to be addressed. We present the case of a 67-year-old high-risk female patient with severe MAC (MAC score = 8) and mitral stenosis (effective orifice area = 121.3 mm).
View Article and Find Full Text PDFWhey Protein-Based Hydrogel Microspheres for Endovascular Embolization.
ACS Appl Bio Mater
January 2025
Department of Radiology, University of Minnesota, Minneapolis, Minnesota 55455, United States.
Transarterial embolization (TAE) is an image-guided, minimally invasive procedure for treating various clinical conditions by delivering embolic agents to occlude diseased arteries. Conventional embolic agents focus on vessel occlusion but can cause unintended long-term inflammation and ischemia in healthy tissues. Next-generation embolic agents must exhibit biocompatibility, biodegradability, and effective drug delivery, yet some degradable microspheres degrade too quickly, leading to the potential migration of fragments into distal blood vessels causing off-target embolization.
View Article and Find Full Text PDFArrhythmia Induced by Positional Change Under General Anesthesia Related to Caudal Movement of the Peripherally Inserted Central Venous Catheter: A Case Report.
Case Rep Anesthesiol
December 2024
Department of Anesthesiology, The Jikei University School of Medicine, Tokyo, Japan.
The novel case report of a temporary arrhythmia that developed after a positional change in a patient under general anesthesia emphasizes the possibility of potentially lethal cardiac arrhythmias that may develop owing to caudal movement of the peripherally inserted central venous catheter ([CVC] PICC) tip when changing patient positions. We present a case of temporary arrhythmia that developed after a positional change in a 44-year-old female patient scheduled for laparoscopic adrenalectomy under general anesthesia. She had undergone preoperative insertion of a PICC using an electrocardiogram (ECG)-guided tip confirmation system (TCS).
View Article and Find Full Text PDFEnhanced Efficiency of Sequential Cutting Balloon Angioplasty in Calcified Coronary Artery Disease: The RODIN-CUT Technique.
Catheter Cardiovasc Interv
January 2025
HartCentrum Ziekenhuis Aan de Stroom (ZAS) Middelheim, Antwerp, Belgium.
Background: Heavily calcified coronary artery disease presents significant challenges in percutaneous coronary intervention (PCI), often requiring advanced techniques to achieve optimal outcomes. Cutting balloons (CB) have shown potential for plaque modification; however, their effectiveness is limited without standardized protocols.
Aims: This study introduces the RODIN-CUT technique, a novel approach utilizing sequential CB inflations with real-time intravascular ultrasound (IVUS) guidance.
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