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A new anatomical finding: the paramastoid diverticulum of the sigmoid sinus.
Surg Radiol Anat
December 2024
Division of Anatomy, Faculty of Dentistry, "Carol Davila" University of Medicine and Pharmacy, Bucharest, 020021, Romania.
Purpose: The sigmoid sinus (SS) is a major surgical landmark. The paramastoid process (PMP) occurs rarely. Inferior diverticula of the SS were not found or reported previously.
View Article and Find Full Text PDFOtologic Manifestations in Patients with Achondroplasia: A Multicenter Study.
J Int Adv Otol
November 2024
Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea.
Background: Achondroplasia, the most prevalent form of skeletal dysplasia involving short stature, necessitates a multidisciplinary approach that includes otology and auditory rehabilitation. Despite this, the clinical characteristics of hearing loss and otologic manifestations in achondroplasia patients remain poorly defined. This study aimed to explore the prevalence and treatment outcomes of otologic disease in individuals with achondroplasia.
View Article and Find Full Text PDFThe posterior condylar canal: An anatomical study on dry human skulls.
Morphologie
November 2024
Comenius University Bratislava, Sasinkova 2, Bratislava 811 08, Slovak Republic. Electronic address:
Background: The human skull contains various foramina, including the posterior condylar canal (PCC), which allows the passage of emissary veins. The PCC connects the jugular foramen to the condylar fossa and facilitates venous drainage between the jugular bulb and suboccipital venous plexus. Due to its variable size and location, the PCC can be mistaken for pathological structures, posing challenges during neurosurgical procedures.
View Article and Find Full Text PDFAvoidance and Management of Complications in Retrosigmoid Approach to Vestibular Schwannomas.
Acta Neurochir Suppl
November 2024
DNB Neurosurgery, Department of Neurosurgery and Gamma Knife Radiosurgery, P. D. Hinduja Hospital and Medical Research Center, Veer Savarkar Marg, Mahim, Mumbai, India.
An experience with two rare complications during surgery of vestibular schwannomas (VSs) is presented, and measures to avoid and manage the complications are discussed.Case A: Spinal cord ischemia in semi-sitting position: A 47-year-old with a giant vestibular schwannoma (VS) underwent surgery through a retrosigmoid approach in the semi-sitting position. The intraoperative phase was uneventful, except for an episode of moderate hypotension.
View Article and Find Full Text PDFAssociation of hyperosmolar therapy with cerebral oxygen extraction after cardiac arrest.
Resuscitation
November 2024
Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Department of Emergency Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Department of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
Background: Elevated jugular bulb venous oxygen saturation (SjvO2) after cardiac arrest may be due to diffusion-limited oxygen extraction secondary to perivascular edema. Treatment with hyperosmolar solution (HTS) may decrease this edema and thus the barrier to oxygen diffusion. Alternatively, SjvO2 may rise when cerebral metabolic rate declines due to irreversible cellular injury, which would not be affected by HTS.
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