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Anginal symptoms can connote increased cardiac risk and a need for change in cardiovascular management. This study evaluated the potential to extract these symptoms from physician notes using the Bidirectional Encoder from Transformers…

Artificial Intelligence · Computer Science 2020-10-13 Aaron S. Eisman , Nishant R. Shah , Carsten Eickhoff , George Zerveas , Elizabeth S. Chen , Wen-Chih Wu , Indra Neil Sarkar

A major challenge in X-ray computed tomography (CT) is reducing radiation dose while maintaining high quality of reconstructed images. To reduce the radiation dose, one can reduce the number of projection views (sparse-view CT); however, it…

Machine Learning · Statistics 2019-09-17 Xuehang Zheng , Il Yong Chun , Zhipeng Li , Yong Long , Jeffrey A. Fessler

Apnea-bradycardia is one of the major clinical early indicators of late-onset sepsis occurring in approximately 7% to 10% of all neonates and in more than 25% of very low birth weight infants in NICU. The objective of this paper was to…

Quantitative Methods · Quantitative Biology 2016-05-18 Yuan Wang , Guy Carrault , Alain Beuchee , Nathalie Costet , Huazhong Shu , Lotfi Senhadji

In this paper, we study the ventilation airflow in a model classroom, where exhaust fans throw out the used air, to replace it with outdoor air through open door. Hybrid ventilation, or mechanically assisted natural ventilation, of this…

Fluid Dynamics · Physics 2025-12-30 Deep Narayan Singh , Lagoon Biswal , Girish Naik , Manaswita Bose , Krishnendu Sinha

Billions of vascular access procedures are performed annually worldwide, serving as a crucial first step in various clinical diagnostic and therapeutic procedures. For pediatric or elderly individuals, whose vessels are small in size…

Robotics · Computer Science 2025-04-09 Shuaiqi Jing , Tianliang Yao , Ke Zhang , Di Wu , Qiulin Wang , Zixi Chen , Ke Chen , Peng Qi

Subcutaneous Implantable Cardioverter-Defibrillators (S-ICDs) are used for prevention of sudden cardiac death triggered by ventricular arrhythmias. T Wave Over Sensing (TWOS) is an inherent risk with S-ICDs which can lead to inappropriate…

Machine Learning · Computer Science 2021-03-11 Anthony J. Dunn , Mohamed H. ElRefai , Paul R. Roberts , Stefano Coniglio , Benedict M. Wiles , Alain B. Zemkoho

Extensive studies suggested that fluid mechanical markers of intracranial aneurysms (IAs) derived from Computational Fluid Dynamics (CFD) can indicate disease progression risks, but to date this has not been translated clinically. This is…

Machine Learning · Computer Science 2026-01-30 Yiying Sheng , Wenhao Ding , Dylan Roi , Leonard Leong Litt Yeo , Hwa Liang Leo , Choon Hwai Yap

The shape of the trailing edge of a gas turbine nozzle guide vane has a significant effect on the downstream stagnation pressure loss and heat transfer over the surface of the vane. Traditionally, adjoint-based design optimization methods…

Fluid Dynamics · Physics 2020-11-30 Chaitanya Talnikar , Qiqi Wang

This paper describes computer models of three interventions used for treating refractory pulmonary hypertension (RPH). These procedures create either an atrial septal defect, a ventricular septal defect, or, in the case of a Potts shunt, a…

Tissues and Organs · Quantitative Biology 2021-11-29 Seong Woo Han , Charles Puelz , Craig G. Rusin , Daniel J. Penny , Ryan Coleman , Charles S. Peskin

Computational fluid dynamics (CFD) based simulation of coronary blood flow provides valuable hemodynamic markers, such as pressure gradients, for diagnosing coronary artery disease (CAD). However, CFD is computationally expensive,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Rene Lisasi , Michele Esposito , Chen Zhao

Background: For acute type-A aortic dissection (ATAAD) surgery, early post-surgery assessment is crucially important for effective treatment plans, underscoring the need for a framework to identify the risk level of aortic dissection cases.…

Medical Physics · Physics 2024-06-11 J V Ramana Reddy , Toshitaka Watanabe , Taro Hayashi , Hiroshi Suito

Computational fluid dynamics is intensively used to deepen the understanding of aneurysm growth and rupture in the attempt to support physicians during therapy planning. Numerous studies have assumed fully-rigid vessel walls in their…

Fluid Dynamics · Physics 2023-08-17 Aurèle Goetz , Pablo Jeken Rico , Yves Chau , Jacques Sédat , Aurélien Larcher , Elie Hachem

Rupture of intracranial aneurysms results in severe subarachnoidal hemorrhage, which is associated with high morbidity and mortality. Neurointerventional occlusion of the aneurysm through coiling has evolved to a therapeutical standard. The…

Computational Engineering, Finance, and Science · Computer Science 2024-03-12 Julian Schwarting , Fabian Holzberger , Markus Muhr , Martin Renz , Tobias Boeckh-Behrens , Barbara Wohlmuth , Jan Kirschke

In its permanent quest of mechanobiological homeostasis, our vascula-ture significantly adapts across multiple length and time scales in various physiological and pathological conditions. Computational modeling of vascular growth and…

Medical Physics · Physics 2019-12-18 S Jamaleddin Mousavi , Solmaz Farzaneh , Stéphane Avril

Reversed Potts shunt (PS) was suggested as palliation for patients with suprasystemic pulmonary arterial hypertension (PAH) and right ventricular (RV) failure. PS, however, can result in poorly understood mortality. Here, a patient-specific…

This paper introduces a dependent toroidal distribution, to analyze astigmatism data following cataract surgery. Rather than utilizing the flat torus, we opt to represent the bivariate angular data on the surface of a curved torus, which…

Applications · Statistics 2024-09-11 Buddhananda Banerjee , Surojit Biswas

Pulmonary Embolism (PE) is a common and potentially lethal condition. Most patients die within the first few hours from the event. Despite diagnostic advances, delays and underdiagnosis in PE are common.To increase the diagnostic…

Several cardiovascular diseases are caused from localised abnormal blood flow such as in the case of stenosis or aneurysms. Prevailing theories propose that the development is caused by abnormal wall-shear stress in focused areas.…

Optimization and Control · Mathematics 2016-07-12 S. W. Funke , M. Nordaas , Øyvind Evju , M. S. Alnæs , K. -A. Mardal

Transluminal minimally invasive surgery uses natural orifices and small incisions to access internal anatomical structures, promoting quicker recovery and reduced morbidity. However, navigating instruments--catheters and endoscopes--through…

Objective: This study aims to understand the cognitive impact of latency in teleoperation and the related mitigation methods, using functional Near-Infrared Spectroscopy (fNIRS) to analyze functional connectivity. Background: Latency…

Human-Computer Interaction · Computer Science 2023-11-16 Yang Ye , Tianyu Zhou , Qi Zhu , William Vann , Jing Du