Results 91 to 100 of about 187,133 (312)

Recurrent retinal and choroidal ischemia in a case of ocular ischemic syndrome

open access: yesTherapeutic Advances in Ophthalmology, 2019
A 62 year-old male patient presented with fluctuating vision in both eyes. On fundus fluorescein angiogram, there was an area of choroidal and retinal ischemia in the left eye.
Koushik Tripathy, Shahana Mazumdar
doaj   +1 more source

Bilateral hypoplasia of the internal carotid artery, presenting as a subarachnoid hemorrhage secondary to intracranial aneurysmal formation: a case report

open access: yesJournal of Medical Case Reports, 2012
Introduction Hypoplasia of the internal carotid artery is a rare congenital anomaly, with only 24 cases of bilateral internal carotid artery hypoplasia reported to date.
Siddiqui Arshad A, Sobani Zain A
doaj   +1 more source

Smart Flexible Tactile Sensors: Recent Progress in Device Designs, Intelligent Algorithms, and Multidisciplinary Applications

open access: yesAdvanced Intelligent Discovery, EarlyView.
Flexible tactile sensors have considerable potential for broad application in healthcare monitoring, human–machine interfaces, and bioinspired robotics. This review explores recent progress in device design, performance optimization, and intelligent applications. It highlights how AI algorithms enhance environmental adaptability and perception accuracy
Siyuan Wang   +3 more
wiley   +1 more source

Carotid artery disease screening : assessment of criteria [PDF]

open access: yes, 1996
The Department of Radiology at St. Luke’s Hospital has provided a screening service for stroke related disease since April 1991. This consisted of Duplex Ultrasound screening (DUS) for Extracranial Carotid Artery Disease (ECAD) followed by angiography or
Galea Debono, Anthony   +2 more
core  

A Steerable and Expandable Magnetic Aspiration Catheter for Enhanced Aspiration Thrombectomy

open access: yesAdvanced Intelligent Systems, EarlyView.
This article presents a novel magnetic aspiration catheter (MAC) that can be both actively steered and undergo distal‐end expansion via externally applied magnetic fields. The MAC facilitates precise branch selection and enhances clot engagement by improving endovascular navigation and aspiration efficiency. Phantom experiments validate its feasibility
Hakjoon Lee   +7 more
wiley   +1 more source

3-D Registration on Carotid Artery imaging data: MRI for different timesteps

open access: yes, 2016
A common problem which is faced by the researchers when dealing with arterial carotid imaging data is the registration of the geometrical structures between different imaging modalities or different timesteps.
Bizopoulos, Paschalis A.   +4 more
core   +1 more source

Spontaneous Carotid Artery Dissection Presenting as Trigeminal Neuralgia in the Emergency Department [PDF]

open access: yes, 2020
Introduction: Carotid artery dissection (CAD) is a critical diagnosis in the emergency department (ED). Trigeminal neuralgia, while not uncommon, may cause the patient significant discomfort but generally is not attributed to severe morbidity and ...
Look, Robert   +2 more
core  

Principles of Pituitary Surgery [PDF]

open access: yes, 2018
Key Points 1. Understand the principles of pituitary surgery including the key-elements of surgical planning and decision-making 2. Identify the technical nuances distinguishing the endoscopic from the microscopic transsphenoidal approach 3.
Evans, James J.   +4 more
core   +2 more sources

Microrobotic Catheterization of the Ophthalmic Artery for Targeted Treatment of Retinoblastoma

open access: yesAdvanced Intelligent Systems, EarlyView.
A microrobotic platform is presented that allows teleoperated and autonomous navigation of flow‐driven magnetic microcatheters, MagFlow, into the ophthalmic artery for superselective intra‐arterial infusion of chemotherapy to treat retinoblastoma. Extensive benchtop validations with patient‐derived biomimetic phantoms under optical and fluoroscopic ...
Artur Banach   +5 more
wiley   +1 more source

Management of Noncatastrophic Internal Carotid Artery Injury in Endoscopic Skull Base Surgery. [PDF]

open access: yes, 2019
Arterial injuries are the most feared complication of endoscopic skull base surgery. During resection of the middle fossa component of a large ventral skull base chondrosarcoma, arterial bleeding was encountered near the right internal carotid artery ...
El-Sayed, Ivan H   +3 more
core  

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