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Developmental endothelial locus-1 as a potential biomarker for the formation and progression of intracranial aneurysm.

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Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510000, China; Guangdong Provincial Key Laboratory of Diagnosis and Treatment of Major Neurological Diseases, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510000, China; Department of Neurosurgery, Southwest Hospital, Army Medical University, Chongqing 400038, China; Neuroscience and Behavioral Disorders Program, Duke-NUS Medical School, National University of Singapore, Singapore 169857, Singapore. Electronic address:

Background: Intracranial aneurysms (IAs) are pathological dilations occurring at major branch points of cerebral arteries, which can lead to aneurysmal subarachnoid hemorrhage (aSAH) upon rupture. Recent studies have identified developmental endothelial locus-1 (DEL1) as closely associated with IA, though its role remains not fully understood. This study aimed to investigate serum DEL1 level differences in IA patients and explore its function in vascular endothelial cells.

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The age-specific incidence of traumatic brain injury in older adults is rising in high-income countries, mainly due to an increase in the incidence of falls. The severity of traumatic brain injury in older adults can be underestimated because of a delay in the development of mass effect and symptoms of intracranial haemorrhage. Management and rehabilitation in older adults must consider comorbidities and frailty, the treatment of pre-existing disorders, the reduced potential for recovery, the likelihood of cognitive decline, and the avoidance of future falls.

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Institute of Chemistry, Faculty of Materials Science and Engineering, University of Miskolc, 3515 Miskolc, Hungary.

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Background Due to its affordability and ease of application, the subarachnoid block is the most frequently used method for lower abdominal procedures. Levobupivacaine has an onset of sensory and motor blockade comparable to that of bupivacaine and prolongs the duration of analgesia while facilitating quick recovery from motor block. Fentanyl and dexmedetomidine, when used as additives to intrathecal local anesthetic, can extend the duration of sensory and motor blockade and enhance postoperative analgesia.

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Department of Anaesthesiology, Dr. D. Y. Patil Medical College, Hospital & Research Centre, Dr. D. Y. Patil Vidyapeeth (Deemed to be University), Pune, IND.

Introduction Spinal anesthesia, a commonly used technique for lower abdominal, pelvic, and lower extremity surgeries, involves injecting a local anesthetic into the subarachnoid space to temporarily block sensory, motor, and sympathetic nerves. Despite its high success rate, the failure of spinal anesthesia, which can lead to adverse patient outcomes, remains a concern. The failure rate varies widely, from 1% to 17%, influenced by factors such as technical challenges, patient anatomy, and practitioner experience.

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