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Total 109 results found since Jan 2013.

Comparative efficacy and safety of acupuncture and Western medicine for poststroke thalamic pain
Anat Rec (Hoboken). 2022 Mar 3. doi: 10.1002/ar.24902. Online ahead of print.ABSTRACTPoststroke thalamic pain (PSTP) is one of the most common sequelae following stroke. Analgesics, antidepressants, anticonvulsants, and surgical treatment are conventional treatment methods of PSTP, but these methods have limited efficacy, cost more, and cause a likelihood of adverse reactions. Clinical studies have shown that acupuncture has a significant analgesic effect on PSTP without obvious side effects. But, there is a lack of high-quality evidence concerning its effectiveness and safety to support its use. Therefore, this study aime...
Source: Anatomical Record - March 3, 2022 Category: Anatomy Authors: Jiju Yang Xinyi Li Chong Li Ke He Yang Wu Haiming Lin Xianfei Xie Fan Zhang Huifeng Hao Guihua Tian Source Type: research

Converting sounds to meaning with ventral semantic language networks: integration of interdisciplinary data on brain connectivity, direct electrical stimulation and clinical disconnection syndromes
AbstractNumerous traditional linguistic theories propose that semantic language pathways convert sounds to meaningful concepts, generating interpretations ranging from simple object descriptions to communicating complex, analytical thinking. Although the dual-stream model of Hickok and Poeppel is widely employed, proposing a dorsal stream, mapping speech sounds to articulatory/phonological networks, and a ventral stream, mapping speech sounds to semantic representations, other language models have been proposed. Indeed, despite seemingly congruent models of semantic language pathways, research outputs from varied specialis...
Source: Anatomy and Embryology - March 10, 2022 Category: Anatomy Source Type: research

Isolated atlas-duplication as a manifestation of persistent proatlas: a case report
ConclusionsAtlas-duplication is an exceedingly rare dysplasia of the craniocervical junction that may be found isolated and incidentally. If this variation does not necessarily warrant specific treatment, brain CT angiography is recommended to detect anatomical variations of the vertebral arteries.
Source: Surgical and Radiologic Anatomy - March 14, 2022 Category: Anatomy Source Type: research

Advancements in left ventricular assist devices to prevent pump thrombosis and blood coagulopathy
J Anat. 2022 Apr 20. doi: 10.1111/joa.13675. Online ahead of print.ABSTRACTMechanical circulatory support (MCS) devices, such as left ventricular assist devices (LVADs) are very useful in improving outcomes in patients with advanced-stage heart failure. Despite recent advances in LVAD development, pump thrombosis is one of the most severe adverse events caused by LVADs. The contact of blood with artificial materials of LVAD pumps and cannulas triggers the coagulation cascade. Heat spots, for example, produced by mechanical bearings are often subjected to thrombus build-up when low-flow situations impair washout and thus th...
Source: Journal of Anatomy - April 21, 2022 Category: Anatomy Authors: Grainne Malone Gerges Abdelsayed Fianait Bligh Fatma Al Qattan Saifullah Syed Prateepan Varatharajullu Augustin Msellati Daniela Mwipatayi Maimoona Azhar Andrew Malone Saulat H Fatimi Claire Conway Aamir Hameed Source Type: research

Assessment of structural disconnections in gliomas: comparison of indirect and direct approaches
AbstractGliomas are amongst the most common primary brain tumours in adults and are often associated with poor prognosis. Understanding the extent of white matter (WM) which is affected outside the tumoral lesion may be of paramount importance to explain cognitive deficits and the clinical progression of the disease. To this end, we explored both direct (i.e., tractography based) and indirect (i.e., atlas-based) approaches to quantifying WM structural disconnections in a cohort of 44 high- and low-grade glioma patients. While these methodologies have recently gained popularity in the context of stroke and other pathologies...
Source: Anatomy and Embryology - May 3, 2022 Category: Anatomy Source Type: research

Morphometrical features of left atrial appendage in the AF patients subjected to left atrial appendage closure
CONCLUSIONS: Important morphometrical differences in LAA orifice have been found, which was significantly larger and more oval in patients with atrial fibrillation compared to healthy controls. Although no difference in LAA body type and size was observed; the LAA ejection fraction was significantly lower in atrial fibrillation rhythm patients.PMID:36165901 | DOI:10.5603/FM.a2022.0080
Source: Folia Morphologica - September 27, 2022 Category: Anatomy Authors: K M Slodowska J Batko J P Holda D Dudkiewicz M Koziej R Litwinowicz K Bartus M K Holda Source Type: research

Stroke disconnectome decodes reading networks
In this study, we used such a novel method, called the disconnectome, to decode the reading circuitry in the brain. We used the resulting disconnection patterns to predict a typical lesion that would lead to reading deficits after brain damage. Our results suggest that white matter connections critical for reading include fronto-parietal U-shaped fibres and the vertical occipital fascicul us (VOF). The lesion most predictive of a reading deficit would impinge on the left temporal, occipital, and inferior parietal gyri. This novel framework can systematically be applied to bridge the gap between the neuropathology of langua...
Source: Anatomy and Embryology - October 3, 2022 Category: Anatomy Source Type: research

The elusive metric of lesion load
AbstractOne of the widely used metrics in lesion-symptom mapping is lesion load that codes the amount of damage to a given brain region of interest. Lesion load aims to reduce the complex 3D lesion information into a feature that can reflect both site of damage, defined by the location of the region of interest, and size of damage within that region of interest. Basically, the process of estimation of lesion load converts a voxel-based lesion map into a region-based lesion map, with regions defined as atlas-based or data-driven spatial patterns. Here, after examining current definitions of lesion load, four methodological ...
Source: Anatomy and Embryology - March 22, 2023 Category: Anatomy Source Type: research

Brain structural and functional correlates of the heterogenous progression of mixed transcortical aphasia
This study offers a fresh perspective of MTCA through the lens of modern neuroscience and unveils novel insights into the neural underpinnings of repetition.
Source: Anatomy and Embryology - May 31, 2023 Category: Anatomy Source Type: research

Masticatory myology of the llama (Lama glama, Camelidae) and comparisons with other camelids and euungulates
J Anat. 2023 Jun 8. doi: 10.1111/joa.13891. Online ahead of print.ABSTRACTCamelids are the only living representatives of the Suborder Tylopoda, and present a unique set of osteo-myological masticatory features, differing from all other extant euungulates. They combine selenodont dentition and rumination with a fused symphysis, and roughly plesiomorphic muscle proportions. Despite its potential relevance as an euungulate model in comparative anatomy studies, the available data is strikingly scarce. The present study represents the first description of the masticatory muscles of a Lamini, analyzing the functional morphology...
Source: Journal of Anatomy - June 8, 2023 Category: Anatomy Authors: Marcos D Ercoli Alicia Álvarez S Roc ío Moyano Source Type: research