User profiles for Koen P.A. Baas

Koen PA Baas

PhD Candidate, Amsterdam University Medical Centers
Verified email at amsterdamumc.nl
Cited by 64

ISMRM open science initiative for perfusion imaging (OSIPI): ASL pipeline inventory

…, U Anazodo, D Arteaga, KPA Baas… - Magnetic resonance …, 2024 - Wiley Online Library
Purpose To create an inventory of image processing pipelines of arterial spin labeling (ASL)
and list their main features, and to evaluate the capability, flexibility, and ease of use of …

[HTML][HTML] Impairment of cerebrovascular hemodynamics in patients with severe and milder forms of sickle cell disease

L Afzali-Hashemi, KPA Baas, A Schrantee… - Frontiers in …, 2021 - frontiersin.org
In patients with sickle cell disease (SCD), cerebral blood flow (CBF) is elevated to counteract
anemia and maintain oxygen supply to the brain. This may exhaust the vasodilating …

Venous Blood Oxygenation Measurements Using TRUST and T2‐TRIR MRI During Hypoxic and Hypercapnic Gas Challenges

KPA Baas, C Vu, J Shen, BF Coolen… - Journal of Magnetic …, 2023 - Wiley Online Library
Background Oxygen extraction fraction (OEF) and cerebral metabolic rate of oxygen (CMRO
2 ) may serve as biomarkers in several diseases. OEF and CMRO 2 can be estimated from …

Comparative Analysis of Blood T2 Values Measured by T2‐TRIR and TRUST

KPA Baas, BF Coolen, ET Petersen… - Journal of Magnetic …, 2022 - Wiley Online Library
Background Venous blood oxygenation (Yv), which can be derived from venous blood T 2 (T
2 b), combined with oxygen‐extraction fraction (OEF) and cerebral metabolic rate of oxygen…

[HTML][HTML] Sinusoidal CO2 respiratory challenge for concurrent perfusion and cerebrovascular reactivity MRI

…, B Xu, C González-Zacarías, J Shen, KPA Baas… - Frontiers in …, 2023 - frontiersin.org
Introduction: Deoxygenation-based dynamic susceptibility contrast (dDSC) has previously
leveraged respiratory challenges to modulate blood oxygen content as an endogenous …

Cerebral hemodynamics and oxygenation in adult patients with sickle cell disease after stem cell transplantation

L Afzali‐Hashemi, E Dovern, KPA Baas… - American journal of …, 2024 - Wiley Online Library
… and design, data acquisition, data analysis, interpretation of the data, and manuscript drafting;
Elisabeth Dovern involved in the research setup and manuscript revision; Koen PA Baas

Progressive Changes in Cerebral Apparent Diffusion Values in Fabry Disease: A 5-Year Follow-up MRI Study

KPA Baas, AJ Everard, S Körver… - American Journal …, 2023 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: White matter lesions are commonly found in patients with
Fabry disease. Existing studies have shown elevated diffusivity in healthy-appearing brain …

[HTML][HTML] Dynamic MR imaging of cerebral perfusion during bicycling exercise

IH Mast, KPA Baas, HT Jørstad, JC Wood… - NeuroImage, 2022 - Elsevier
Habitual physical activity is beneficial for cerebrovascular health and cognitive function.
Physical exercise therefore constitutes a clinically relevant cerebrovascular stimulus. This study …

Assessment of Neurocognitive Functioning in Sickle Cell Disease and Thalassemia and the Association with Silent Cerebral Infarcts and Cerebral Hemodynamics and …

L Afzali-Hashemi, M Franse, KPA Baas, A Schrantee… - Blood, 2023 - Elsevier
Introduction Neurocognitive impairment is a significant problem in patients with sickle cell
disease (SCD), affecting various life domains such as academic achievement, career progress…

[HTML][HTML] S278: CEREBRAL HEMODYNAMICS AND OXYGEN METABOLISM IN PATIENTS WITH MILD AND SEVERE SICKLE CELL DISEASE AND THALASSEMIA

L Afzali-Hashemi, KPA Baas, A Schrantee, E Nur… - …, 2023 - journals.lww.com
Background: Sickle cell disease (SCD) is complicated by cerebral infarctions. These include
silent cerebral infarcts (SCIs) which can be found in 40% of the patients by the age of 20 …