scholarly journals What Has Image Based Modelling of Cerebrospinal Fluid Flow in Chiari Malformation Taught Us About Syringomyelia Mechanisms?

2020 ◽  
pp. 1-1
Author(s):  
Lynne E. Bilston
Keyword(s):  
Cerebrospinal Fluid ◽  
Fluid Flow ◽  
Chiari Malformation ◽  
Cerebrospinal Fluid Flow

scholarly journals Surgical Outcomes of C1-2 Posterior Stabilization in Patients With Chiari Malformation Type 1

2020 ◽  
pp. 219256822094529
Author(s):  
Ali Arslan ◽  
Semih Kivanc Olguner ◽  
Vedat Acik ◽  
İsmail İstemen ◽  
Barış Arslan ◽  
...  
Keyword(s):  
Cerebrospinal Fluid ◽  
Fluid Flow ◽  
Flow Rate ◽  
Surgical Outcomes ◽  
Chiari Malformation ◽  
Japanese Orthopaedic Association ◽  
Foramen Magnum ◽  
Posterior Fossa Decompression ◽  
Fluid Flow Rate ◽  
Cerebrospinal Fluid Flow

Study Design: Retrospective chart review. Objectives: Chiari malformation (CM) is characterized by a downward displacement of the cerebellar tonsils through the foramen magnum. This tonsillar herniation may sometimes be accompanied by syringomyelia and/or basilar invagination (BI). In this study, we examined the surgical outcomes of patients by underwent C1-2 reduction + fixation (C1-2RF), which is a new method defined by Goel, in the literature. Methods: Between 2015 and 2018, 21 patients (mean age and duration of follow-up: 39 years and 20 months, respectively) with CM were treated with atlantoaxial fixation. We found syringomyelia in all patients and BI in 9 of them. In all cases, radiography, computed tomography, and magnetic resonance imaging were performed radiologically. C1-2RF was performed in all patients. Preoperative and postoperative clinical Japanese Orthopaedic Association scores were obtained. Syrinx size and cerebrospinal fluid flow rate were compared radiologically. Results: All patients were treated with C1-2RF. None of the patients underwent foramen magnum decompression or intervention for the syrinx. Occipital bone and subaxial spinal structures were not included in the fixation. In addition to significant clinical improvement, significant improvement in syringomyelia and cerebrospinal fluid flow rate was seen on the radiographs of all patients. Conclusions: Although posterior fossa decompression and/or duraplasty is a common treatment modality in CM, we propose that the C1-2RF method described by Goel is a radiologically and clinically effective treatment method, whether or not BI and/or syringomyelia in CM are present. This article is the first article of central and axial atlantoaxial dislocation, except for Goel’s writings in the literature.

Acute respiratory arrest following partial suboccipital cranioplasty for cerebellar ptosis from Chiari malformation decompression

2008 ◽  
Vol 25 (6) ◽  
pp. E12 ◽  
Author(s):  
Xiao Di ◽  
Mark G. Luciano ◽  
Edward C. Benzel
Keyword(s):  
Cerebrospinal Fluid ◽  
Fluid Flow ◽  
Chiari Malformation ◽  
Rare Complication ◽  
Respiratory Arrest ◽  
Surgical Decompression ◽  
Cerebrospinal Fluid Flow ◽  
Suboccipital Craniectomy ◽  
Dural Patch ◽  
Cerebellar Tonsils

Cerebellar ptosis is a rare complication following Chiari malformation decompression, and generally is the result of a very large suboccipital craniectomy. This can lead to the descent of the cerebellum through the craniectomy defect, which in turn may result in cerebellar herniation through the surgical defect as well as the reestablishment of contact between the cerebellar tonsils and the brainstem. In addition, dorsal adherence of the herniated cerebellum to the dura mater or dural patch and an associated obstruction of cerebrospinal fluid flow at the cervicomedullary junction may ensue. Such a result is not desirable, in that it reproduces or mimics the pathoanatomical relationships that existed prior to the surgical decompression.

Transoral Decompression Evaluated by Cine-Mode Magnetic Resonance Imaging: A Case of Basilar Impression Accompanied by Chiari Malformation

Neurosurgery ◽  
1991 ◽  
Vol 28 (6) ◽  
pp. 883-885 ◽  
Author(s):  
Teiji Tominaga ◽  
Keiji Koshu ◽  
Akira Ogawa ◽  
Takashi Yoshimoto
Keyword(s):  
Magnetic Resonance Imaging ◽  
Cerebrospinal Fluid ◽  
Fluid Flow ◽  
Magnetic Resonance ◽  
Chiari Malformation ◽  
Chiari I Malformation ◽  
Basilar Impression ◽  
Resonance Imaging ◽  
Cerebrospinal Fluid Flow ◽  
Transoral Decompression

Abstract Cine-mode magnetic resonance imaging provides simultaneous images of cerebrospinal fluid flow dynamics. A patient with a basilar impression accompanied by a Chiari malformation and von Recklinghausen's disease who underwent transoral decompression is reported. Preoperative cine-mode magnetic resonance imaging visualized an associated obstruction of cerebrospinal fluid pulsatile flow at the level of the foramen magnum. Tonsilar herniation (Chiari I malformation) and hydrocephalus were also present. Postoperatively, the obstruction of cerebrospinal fluid flow was resolved concomitant with the correction of the cervicomedullary angulation. On the basis of observations made by magnetic resonance imaging, the surgical treatment of basilar impression accompanied by Chiari malformation is briefly discussed.

Spatially Organized Ciliary Beating Compartmentalizes Cerebrospinal Fluid Flow in the Brain and Regulates Ventricular Development

2018 ◽  
Author(s):  
Emilie W. Olstad ◽  
Christa Ringers ◽  
Adinda Wens ◽  
Jan N. Hansen ◽  
Cecilia Brandt ◽  
...  
Keyword(s):  
Cerebrospinal Fluid ◽  
Fluid Flow ◽  
Cerebrospinal Fluid Flow ◽  
Ciliary Beating ◽  
The Brain

Impact of cerebrospinal fluid flow study in patients undergoing intrathecal chemotherapy via ventricular catheter reservoir

2021 ◽  
Author(s):  
Mostafa Eltobgy ◽  
Kristin Huntoon ◽  
Nick Musgrave ◽  
Ammar Shaikhouni ◽  
Douglas A. Hardesty ◽  
...  
Keyword(s):  
Cerebrospinal Fluid ◽  
Fluid Flow ◽  
Intrathecal Chemotherapy ◽  
Ventricular Catheter ◽  
Cerebrospinal Fluid Flow ◽  
Flow Study
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