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View article: Automatic respiratory and bulk patient motion corrected (ACROBATIC) free-running whole-heart 5D MRI
Automatic respiratory and bulk patient motion corrected (ACROBATIC) free-running whole-heart 5D MRI Open
The ACROBATIC framework effectively reduces motion-related artifacts in pediatric cardiac MRI, particularly in patients with significant movement. This method supports the broader goal of achieving high-quality, dynamic whole-heart imaging…
View article: Automatic Respiratory and Bulk Patient Motion Corrected <scp>3D</scp> Fetal <scp>MRI</scp>
Automatic Respiratory and Bulk Patient Motion Corrected <span>3D</span> Fetal <span>MRI</span> Open
Purpose To develop a framework (ACROBATIC) for correcting motion in 3D radial fetal MRI. Methods Data were simulated ( N = 200) and acquired in utero ( N = 11, gestational age: 32 ± 2 weeks). Motion due to maternal respiration was estimate…
View article: Automated adaptive detection and reconstruction of quiescent cardiac phases in free-running whole-heart acquisitions using Synchronicity Maps from PHysiological mOtioN In Cine (SYMPHONIC) MRI
Automated adaptive detection and reconstruction of quiescent cardiac phases in free-running whole-heart acquisitions using Synchronicity Maps from PHysiological mOtioN In Cine (SYMPHONIC) MRI Open
Purpose To reconstruct whole-heart images from free-running acquisitions through automated selection of data acceptance windows (ES: end-systole, MD: mid-diastole, ED: end-diastole) that account for heart rate variability (HRV). Methods SY…
View article: CT imaging findings of invasive pulmonary fungal infections in hemato-oncologic children
CT imaging findings of invasive pulmonary fungal infections in hemato-oncologic children Open
Hemato-oncologic children form a heterogeneous group with a wide spectrum of ages, malignancy types, and immunosuppression grades during the different phases of their treatment. Immunosuppression is caused by multiple factors, including th…
View article: Development of a user-friendly calculator for a pediatric split-bolus polytrauma computed tomography protocol
Development of a user-friendly calculator for a pediatric split-bolus polytrauma computed tomography protocol Open
We present here a user-friendly calculator for the setting of a pediatric split-bolus polytrauma computed tomography (CT) protocol with a mixed arterial and venous phase, aiming to both reduce radiation dose and improve workflow while assu…
View article: Similarity-driven motion-resolved reconstruction for ferumoxytol-enhanced whole-heart MRI in congenital heart disease
Similarity-driven motion-resolved reconstruction for ferumoxytol-enhanced whole-heart MRI in congenital heart disease Open
A similarity-driven multi-dimensional binning algorithm (SIMBA) reconstruction of free-running cardiac magnetic resonance imaging data was previously proposed. While very efficient and fast, the original SIMBA focused only on the reconstru…
View article: Improving 3D-CINE tTV-regularized whole-heart MRI reconstruction
Improving 3D-CINE tTV-regularized whole-heart MRI reconstruction Open
Purpose To improve the image quality of 3D radial free-running MRI data of the heart through a deliberate and stepwise extension of the XD-GRASP reconstruction. Methods Ferumoxytol-enhanced cardiac free-running 3D-radial data were reconstr…
View article: Fully Automated Motion-corrected 2D CINE MRI of the Fetal Heart
Fully Automated Motion-corrected 2D CINE MRI of the Fetal Heart Open
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View article: Intra-bin correction and inter-bin compensation of respiratory motion in free-running five-dimensional whole-heart magnetic resonance imaging
Intra-bin correction and inter-bin compensation of respiratory motion in free-running five-dimensional whole-heart magnetic resonance imaging Open
The proposed IIMC reconstruction significantly improves the quality of 5D whole-heart MRI. This may be exploited for higher resolution or abbreviated scanning. Further investigation of the diagnostic impact of this framework and comparison…
View article: Accuracy of pulmonary venous flow quantification by 2D phase contrast cardiac magnetic resonance
Accuracy of pulmonary venous flow quantification by 2D phase contrast cardiac magnetic resonance Open
Funding Acknowledgements Type of funding sources: None. Background Determination of pulmonary venous flow by cardiac magnetic resonance (CMR) is frequently required in patients with complex congenital heart disease (CHD) lesions. Although …
View article: Comparison of free-running whole-heart 5D and 4D flow imaging to standard 2D phase contrast in patients with right-sided congenital heart disease
Comparison of free-running whole-heart 5D and 4D flow imaging to standard 2D phase contrast in patients with right-sided congenital heart disease Open
Funding Acknowledgements Type of funding sources: None. Background Flow measurements by cardiac magnetic resonance (CMR) are part of a routine assessment in patients with congenital heart disease (CHD). Standard 2D phase contrast (2DPC) se…
View article: Focused navigation for respiratory–motion‐corrected free‐running radial <scp>4D</scp> flow <scp>MRI</scp>
Focused navigation for respiratory–motion‐corrected free‐running radial <span>4D</span> flow <span>MRI</span> Open
Purpose To validate a respiratory motion correction method called focused navigation (fNAV) for free‐running radial whole‐heart 4D flow MRI. Methods Using fNAV, respiratory signals derived from radial readouts are converted into three orth…
View article: Pulse Oximetry as an Aid to Rule Out Pneumonia among Patients with a Lower Respiratory Tract Infection in Primary Care
Pulse Oximetry as an Aid to Rule Out Pneumonia among Patients with a Lower Respiratory Tract Infection in Primary Care Open
Guidelines recommend chest X-rays (CXRs) to diagnose pneumonia and guide antibiotic treatment. This study aimed to identify clinical predictors of pneumonia that are visible on a chest X-ray (CXR+) which could support ruling out pneumonia …
View article: Necrotizing pneumonia in children: Chest computed tomography vs. lung ultrasound
Necrotizing pneumonia in children: Chest computed tomography vs. lung ultrasound Open
Background The utilization of contrast-enhanced computed tomography (CT) of the chest for the diagnosis of necrotizing pneumonia (NP), a complication of community-acquired pneumonia, is controversial because of the inherent ionizing radiat…
View article: Abbreviated MRI for Preoperative Assessment of Breast Cancer: is Maximal Intensity Projection (MIP) of the First Post Contrast Acquisition Subtracted (Fast) Sequence Sufficient for Disease Evaluation?
Abbreviated MRI for Preoperative Assessment of Breast Cancer: is Maximal Intensity Projection (MIP) of the First Post Contrast Acquisition Subtracted (Fast) Sequence Sufficient for Disease Evaluation? Open
AMRI using only MIP is not accurate for the pre-operative assessment of BC due to lower sensitivity when compared to MIP+FAST and fpMRI. AMRI using the MIP+FAST acquisition in the preoperative setting seems promising as it could be used as…
View article: Use of an Online Ultrasound Simulator to Teach Basic Psychomotor Skills to Medical Students During the Initial COVID-19 Lockdown: Quality Control Study
Use of an Online Ultrasound Simulator to Teach Basic Psychomotor Skills to Medical Students During the Initial COVID-19 Lockdown: Quality Control Study Open
Background Teaching medical ultrasound has increased in popularity in medical schools with hands-on workshops as an essential part of teaching. However, the lockdown due to COVID-19 kept medical schools from conducting these workshops. Obj…
View article: Clinical Sign and Biomarker-based Algorithm to Identify Bacterial Pneumonia Among Outpatients with Lower Respiratory Tract Infection in Tanzania
Clinical Sign and Biomarker-based Algorithm to Identify Bacterial Pneumonia Among Outpatients with Lower Respiratory Tract Infection in Tanzania Open
Background. Inappropriate antibiotics in lower respiratory tract infections (LRTI) is a major contributor to resistance. We aimed to design an algorithm based on clinical signs and host biomarkers to identify bacterial community-acquired p…
View article: Use of an Online Ultrasound Simulator to Teach Basic Psychomotor Skills to Medical Students During the Initial COVID-19 Lockdown: Quality Control Study (Preprint)
Use of an Online Ultrasound Simulator to Teach Basic Psychomotor Skills to Medical Students During the Initial COVID-19 Lockdown: Quality Control Study (Preprint) Open
BACKGROUND Teaching medical ultrasound has increased in popularity in medical schools with hands-on workshops as an essential part of teaching. However, the lockdown due to COVID-19 kept medical schools from conducting these workshops. …
View article: Infected epidermal cyst of the clitoris in an infant
Infected epidermal cyst of the clitoris in an infant Open
Clitoral enlargement in the pediatric population is a rare condition, usually related to problems of sexual differentiation, but malignant and benign clitoral lesions have also been described. We report the case of a newborn infant, invest…