Cardiac surgery can have severe neurologic complications. The noninvasive monitoring of intracranial circulation during heart surgery is usually performed with transcranial Doppler ultrasonography. We present the case of a 66-year-old man who underwent elective cardiac surgery for aortic valve replacement and coronary artery bypass graft, in whom monitoring was performed by simultaneously assessing blood flow velocity in the central retinal artery and vein.
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http://dx.doi.org/10.1002/jcu.22052 | DOI Listing |
Exp Eye Res
January 2025
Department of Biochemistry and Molecular Biology, Pondicherry University, Puducherry, 605 014, India. Electronic address:
Diabetic Retinopathy (DR), a leading complication of diabetes mellitus, has long been considered as a microvascular disease of the retina. However, recent evidence suggests that DR is a neurovascular disease, characterized by the degeneration of retinal neural tissue and microvascular abnormalities encompassing ischemia, neovascularization, and blood-retinal barrier breakdown, ultimately leading to blindness. The intricate relationship between the retina and vascular cells constitutes a neurovascular unit, a multi-cellular framework of retinal neurons, glial cells, immune cells, and vascular cells, which facilitates neurovascular coupling, linking neuronal activity to blood flow.
View Article and Find Full Text PDFExp Eye Res
January 2025
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic center, Sun Yat-sen University, Guangzhou 510000, Guangdong, China. Electronic address:
Currently, research on optic nerve injury predominantly focuses on the retina and optic nerve, but emerging evidence suggests that optic nerve injury also affects advanced visual structures like the superior colliculus (SC) and primary visual cortex (V1 region). However, the exact mechanisms have not been fully explored. This study aims to investigate the characteristics and mechanisms of pathology in the SC and V1 region after optic nerve crush (ONC) to deepen our understanding of the central mechanism of visual injury.
View Article and Find Full Text PDFPhotodiagnosis Photodyn Ther
January 2025
Istanbul Medeniyet University, Faculty of Medicine, Department of Ophthalmology, Istanbul, Turkey. Electronic address:
Objective: Imaging techniques have demonstrated changes in the choroid and retina in acute central serous chorioretinopathy (CSCR), but the effects on the optic nerve head (ONH) remain unclear. This study investigates ONH structural changes in acute CSCR using enhanced deep imaging optic coherence tomography (EDI-OCT).
Methods: A prospective cohort study included 51 acute CSCR patients and 51 healthy controls aged 18-65 years.
Ophthalmol Retina
January 2025
Department of Ophthalmology, Glick Eye Institute, Indiana University School of Medicine, Indianapolis, Indiana.
J Clin Med
January 2025
Gravitational Physiology and Medicine Research Unit, Division of Physiology & Pathophysiology, Medical University of Graz, 8010 Graz, Austria.
Cardiovascular diseases are a leading cause of death, and psychosocial stress is considered a contributing factor to these issues. With the rising number of heart surgeries, proper rehabilitation post-surgery is essential. Previous studies have demonstrated the positive impact of yoga and transcendental meditation on the cardiovascular system.
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