Alexander Völz

Alexander Völz

Interventional cardiologist / Cardiologist
Cardiology Clinic Bonn/University Heart Center Bonn - Bonn, Germany

Latest contributions

A novel bailout technique for the percutaneous extraction of an entrapped coronary guidewire beneath a crushed stent

01 Jun 2026

A simple bailout technique for guidewire entrapment beneath a crushed stent, enabling safe and controlled extraction.

Marco Stracqualursi

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Marco Stracqualursi

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Antonella Potenza

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Giovanni Panzacchi

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Diego Salerno Uriarte

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Marco Guazzi

How to avoid using a new balloon for trapping?

10 Jul 2025

Trapping wires during complex PCI is essential but dedicated trapping balloons aren’t always on hand — and costs add up fast. This My Toolkit tip shows you how to safely reuse a standard PTCA balloon by stiffening its shaft with the original stylet, making valve crossing...

Helena Correia

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Helena Correia
João Silva Marques

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João Silva Marques

How to choose a snare and how to create a snare in complex PCI scenarios

19 Dec 2023

Complex percutaneous coronary intervention (PCI) procedures are dramatically increasing in daily practice. Calcified coronary artery lesions and hostile cardiac anatomy may increase the risk of device dislodgment and/or malposition. In such situations, the use of a snare catheter is pivotal to retrieve and/or reposition the device.

Andrea Buono

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Andrea Buono

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Damiano Regazzoli
Diego Maffeo

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Diego Maffeo
Gabriele Gasparini

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Gabriele Gasparini

How to choose a snare and create a snare to enhance device trackability in structural interventions

19 Dec 2023

Transcatheter structural procedures are dramatically increasing in daily practice. Approaching hostile cardiac anatomy may increase the risk of device dislodgment and/or malposition. In such situations, the use of a snare catheter is pivotal to enhance device trackability.

Andrea Buono

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Andrea Buono

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Damiano Regazzoli
Diego Maffeo

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Diego Maffeo
Gabriele Gasparini

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Gabriele Gasparini

How to perform ultrasound-guided pericardiocentesis without X-rays

12 Oct 2022

My toolkit: A problem-solving step by step tutorial provided by Christian Dworeck & Tobias Schmidt 

Christian Dworeck

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Christian Dworeck
Tobias Schmidt

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Tobias Schmidt