Necessary catheter diameters for mechanical thrombectomy with ADAPT

…, M Büsen, M Wiesmann - American Journal …, 2017 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Large-bore catheters allow mechanical thrombectomy in
ischemic stroke by engaging and retrieving clots without additional devices (direct aspiration …

Optimizing endovascular stroke treatment: removing the microcatheter before clot retrieval with stent-retrievers increases aspiration flow

…, JP Alt, A Nikoubashman, M Büsen… - Journal of …, 2017 - jnis.bmj.com
… experimentally determined (12.562×10 6 Pa s/m 3 ) and accounted for in our calculations. …
F catheter (length 1.25 m) and 159.77 mL/s vs 6.59 mL/s in a Flexor 8 F sheath (length 0.9 m). …

In vitro evaluation of intra-aneurysmal, flow-diverter-induced thrombus formation: a feasibility study

K Gester, I Lüchtefeld, M Büsen… - American Journal …, 2016 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Intracranial aneurysm treatment by flow diverters aims at
triggering intra-aneurysmal thrombosis. By combining in vitro blood experiments with particle …

Development of an In Vitro PIV Setup for Preliminary Investigation of the Effects of Aortic Compliance on Flow Patterns and Hemodynamics

M Büsen, C Arenz, M Neidlin, S Liao… - Cardiovascular …, 2017 - Springer
… The compartment was filled with a water glycerol mixture of 56.6%/43.4% (m Gl /m w ) to
match the refractive index of the silicone aorta (n ≈ 1.402) at 45 C. Both sidewalls and the top …

Under pressure: comparison of aspiration techniques for endovascular mechanical thrombectomy

…, HM Hennemann, M Büsen… - American Journal …, 2018 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Blood flow should be interrupted during mechanical
thrombectomy to prevent embolization of clot fragments. The purpose of our study was to provide …

Simulation of a pulsatile total artificial heart: Development of a partitioned Fluid Structure Interaction model

…, TAS Kaufmann, MR Büsen, M Laumen… - Journal of Fluids and …, 2013 - Elsevier
… U pe ≈0.701 m/s at the outlet tube. Using a density of ρ=1135.9 kg/m 3 , a pressure drop of
ΔP=40 mmHg (≈5332.88 kg/(ms 2 )) and a normal velocity of U n =U pe =0.701 m/s the loss …

Numerical washout study of a pulsatile total artificial heart

…, MR Büsen, M Laumen… - … journal of artificial …, 2014 - journals.sagepub.com
Purpose For blood pumps with long term indication, blood stagnation can result in excessive
thromboembolic risks for patients. This study numerically investigates the washout …

A refractive index-matched facility for fluid–structure interaction studies of pulsatile and oscillating flow in elastic vessels of adjustable compliance

…, J Roggenkamp, S Jansen, F Gräf, M Büsen - Experiments in …, 2009 - Springer
The flow field in the respiratory and vascular system is known to be influenced by the flexibility
of the walls. However, up to now, most of the experimental biofluidic investigations have …

The association between angiotensin II and renin kinetics in patients after cardiac surgery

…, M Küllmar, K Saadat-Gilani, M Busen… - Anesthesia & …, 2022 - journals.lww.com
BACKGROUND: Hyperreninemia after cardiac surgery is associated with cardiovascular
instability. Angiotensin II (AT-II) could potentially attenuate hyperreninemia while maintaining …

In vitro flow investigations in the aortic arch during cardiopulmonary bypass with stereo-PIV

M Büsen, TAS Kaufmann, M Neidlin, U Steinseifer… - Journal of …, 2015 - Elsevier
… The fluid, a water glycerol mixture with a ratio of 56.4/43.6 (m Gl /m W ), has been tempered
at 45 C (±1) to achieve the viscosity of high sheared blood and a refractive index (RI) of …