Tecnología Médica
Mapa TecMedTecnología Médica
Leadless and extravascular cardiac resynchronization therapy: the future for CRT?
10/06/2025 -
Cardiac resynchronization therapy is used to treat dyssynchronous heart failure. Lead-related complications and anatomical constraints can limit pacing lead placement, but leadless systems are now...
Primary closure with self-disengaging biliary stent following laparoscopic CBD exploration in normal-diameter ducts: a propensity score matching study
10/06/2025 -
Laparoscopic Common Bile Duct Exploration (LCBDE) is highly effective for treating common bile duct stones (CBDS). This study aims to evaluate the safety and feasibility of primary closure with a...
Accuracy of the HeartMate 3 Left Ventricular Assist Device Flow Estimation
02/06/2025 -
Left ventricular assist devices (LVADs), such as the HeartMate 3 (HM3), are a treatment option for advanced heart failure (HF). Non-invasive monitoring of heart-pump interaction is crucial but...
Intravascular ultrasound assessment of stent edge restenosis mechanisms and treatment outcomes following percutaneous coronary intervention
15/05/2025 -
This study aimed to elucidate the biological or mechanical causes of stent edge restenosis (SER) via intravascular ultrasound (IVUS). A retrospective assessment was conducted on 126 SER lesions...
Development and deployment of a functional 3D-bioprinted blood vessel
07/04/2025 -
Creating vascular structures in vitro via bioprinting to replace damaged or missing vasculature has significant advantages over current surgical methods of vessel replacement. Using rat...
Initial Experience and Bench Validation of the CLEVE Prosthetic Leaflet Modification Procedure During Aortic and Mitral Valve-in-Valve Procedures
07/04/2025 -
CONCLUSIONS: Patients with a degenerated surgical valve who are unsuitable for a valve-in-valve replacement due to anatomic concerns regarding displacement of the index prosthetic leaflet can be...
ZnO and PZT Thin Film Piezoelectric MEMS Vibrational Energy Harvesters for Cardiac Pacemaker
21/03/2025 -
MEMS piezoelectric energy harvesters (PEHs) have potential to convert mechanical energy of human heart vibrations into electrical energy to power the pacemaker. Challenges exist to match the...
Long-term outcomes of Allium ureteral stent as a treatment for ureteral obstruction
10/10/2024 -
Ureteral obstruction is a prevalent urological condition associated with significant complications. The purpose of our study was to assess the safety and efficacy of a novel self-expanding, large...
Maglev-fabricated long and biodegradable stent for interventional treatment of peripheral vessels
19/09/2024 -
While chronic limb-threatening ischemia is a serious peripheral artery disease, the lack of an appropriate stent significantly limits the potential of interventional treatment. In spite of much...
Stent coating containing a charged silane coupling agent that regulates protein adsorption to confer antithrombotic and cell-adhesion properties
22/07/2024 -
The evolution of endovascular therapies, particularly in the field of intracranial aneurysm treatment, has been truly remarkable and is characterized by the development of various stents. However,...
Transcatheter treatment of pure aortic regurgitation
12/07/2024 -
Preliminary experience with the use of transcatheter aortic valve implantation (TAVI) to treat non-calcific aortic regurgitation has raised concerns about the short-term effectiveness of TAVI in...
GLIDE Score: Scoring System for Prediction of Procedural Success in Tricuspid Valve Transcatheter Edge-to-Edge Repair
12/07/2024 -
CONCLUSIONS: The GLIDE score is a simple, 5-component score that is readily obtained during patient imaging and can predict successful T-TEER.
Validity of a smartwatch for detecting atrial fibrillation in patients after heart valve surgery: a prospective observational study
12/07/2024 -
CONCLUSION: The Apple smartwatch single-lead ECG has high sensitivity and specificity, and might be a useful tool for detecting AF in patients after heart valve surgery.
Multimodal explainable artificial intelligence identifies patients with non-ischaemic cardiomyopathy at risk of lethal ventricular arrhythmias
12/07/2024 -
The efficacy of an implantable cardioverter-defibrillator (ICD) in patients with a non-ischaemic cardiomyopathy for primary prevention of sudden cardiac death is increasingly debated. We developed...
Risk prediction of cholangitis after stent implantation based on machine learning
11/07/2024 -
The risk of cholangitis after ERCP implantation in malignant obstructive jaundice patients remains unknown. To develop models based on artificial intelligence methods to predict cholangitis risk...
Interfacing exogenous stents with human coronary artery by self-assembled coating: designs, functionalities and applications
10/07/2024 -
Drug-eluting stents are a commonly used treatment for coronary artery disease. However, the coatings used in drug-eluting stents have some limitations such as poor biocompatibility and drug...
Evaluation of short and mid-term clinical outcomes in patients with aortic coarctation treated with self-expandable stents
10/07/2024 -
The present study aimed to evaluate the outcomes of percutaneous treatment of aortic coarctation using self-expandable uncovered Nitinol stents. We conducted a retrospective clinical data review...
Real-world experience utilizing the nuvision 4D intracardiac echocardiography catheter for left atrial appendage closure
10/07/2024 -
Transesophageal echocardiography (TEE) has been the preferred imaging modality to help guide left atrial appendage closure. Newer technologies such as the Nuvision 4D Intracardiac echocardiography...
Interdisciplinary Evaluation of Implant Locations for Transcutaneous Inductive Energy Transfer Systems
08/07/2024 -
The number of donor hearts in case of severe heart failure covers only about a quarter of all patients on the waiting list. That’s why mechanical circulatory support systems are to be...
Development and validation of a clinical prediction model for ischemic stroke recurrence after successful stent implantation in symptomatic intracranial atherosclerotic stenosis
29/04/2024 -
CONCLUSIONS: The predictive model constructed includes six predictive factors: CHD, smoking, multiple ICAS, SBP, ISR and fasting blood glucose. The model demonstrates good predictive ability and...
Miniaturized Implantable Antenna with Ultra-Wide Bandwidth Characteristics for Leadless Pacemakers
29/04/2024 -
This article presents a miniaturized antenna with a broad bandwidth tailored for use in cardiac leadless pacemakers. The proposed antenna has a compact size with a footprint of $9.44 mm^{3}$, and...
