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Hereditary pontine and extrapontine brain malformations in Brazilian Tabapuã cattle.
Vet Pathol
December 2024
Universidade Federal da Bahia, Salvador, Brasil.
A congenital neurologic disorder affected a herd of Tabapuã cattle. Of 98 newborn calves, 12 (12%) were affected; they were sired by 3 related bulls. This frequency suggested a genetic disorder caused by an autosomal recessive gene.
View Article and Find Full Text PDFThoracolumbar Sagittal Morphology and Segmental Inclination: A Cross-sectional Cohort Study of Asymptomatic Adult Volunteers.
Spine (Phila Pa 1976)
October 2024
Department of Orthopaedics, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing 100191, China.
Study Design: A cross-sectional cohort study.
Objective: To present a normative value reference of spinal segmental inclination stratified by age and pelvic incidence (PI), and to clarify the impact of segmental inclination on spinal sagittal morphology.
Summary Of Background Data: Thoracolumbar segmental inclination has been shown to correlate with the clinical outcomes of adult spinal deformity surgery.
Comprehensive comparative study of Chiari-like malformation in veterinary and human medicine.
Vet Med (Praha)
July 2024
Department of Veterinary Surgery, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea.
Article Synopsis
- This review explores Chiari-like malformation (CLM), a condition characterized by displacement of the hindbrain due to inadequate skull size, affecting both humans and animals.
- CLM causes obstruction at the craniocervical junction, disrupting cerebrospinal fluid flow and potentially leading to syringomyelia, with symptoms like head tremors, ataxia, and pain.
- While magnetic resonance imaging is essential for diagnosis, current treatments such as foramen magnum decompression provide only temporary relief, highlighting the need for further research on effective long-term treatment options.
Comparing the Upper Instrumented Vertebrae Tilt Angle vs Screw Angle in the Development of Proximal Junction Kyphosis After Adult Spinal Deformity Surgery: Which Matters More?
Int J Spine Surg
July 2024
Department of Neurological Surgery, Vanderbilt University Medical Center, Nashville, TN, USA
Background: We sought to determine which aspect of the upper instrumented vertebrae (UIV)-tilt angle or screw angle-was more strongly associated with: (1) proximal junctional kyphosis/failure (PJK/F), (2) other mechanical complications and reoperations, and (3) patient-reported outcome measures (PROMs).
Methods: A single-institution, retrospective cohort study was undertaken for patients undergoing adult spinal deformity (ASD) surgery from 2011 to 2017. Only patients with UIV at T7 or below were included.
Characterization of internal jugular vein region-specific distension and flow patterns during progressive volume shifting.
J Appl Physiol (1985)
July 2024
Department of Kinesiology and Health Sciences, University of Waterloo, Waterloo, Ontario, Canada.
Blood volume shifts during postural adjustment lead to irregular distension of the internal jugular vein (IJV). In microgravity, distension may contribute to flow stasis and thromboembolism, though the regional implications and associated risk remain unexplored. We characterized regional differences in IJV volume distension and flow complexity during progressive head-down tilt (HDT) (0°, -6°, -15°, -30°) using conventional ultrasound and vector flow imaging.
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