A consensus on the classification of hydrocephalus: its utility in the assessment of abnormalities of cerebrospinal fluid dynamics

Rekate, Harold L.

doi:10.1007/s00381-011-1558-y

Cited by 115 publications

(68 citation statements)

References 28 publications

(32 reference statements)

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“…8,39 Concepts of hydrocephalus are complex and continue to evolve. 8,9,37,38 They include the following: the conventional major CSF pathway, including the original work of Dandy and Blackfan 40 on bulk flow theory and distinction of obstructive and communicating hydrocephalus; and a minor CSF pathway that describes interactions of brain compliance, CSF and arteriole pulsations, vascular capacitance/pulse pressures, and capillary absorption.…”

Section: Figmentioning

confidence: 99%

“…8,9,37,38 They include the following: the conventional major CSF pathway, including the original work of Dandy and Blackfan 40 on bulk flow theory and distinction of obstructive and communicating hydrocephalus; and a minor CSF pathway that describes interactions of brain compliance, CSF and arteriole pulsations, vascular capacitance/pulse pressures, and capillary absorption. 8,9,37,[40][41][42] Given the complex pathophysiology, understanding the physiology of hydrocephalus remains a challenging neurosurgical problem.…”

Section: Figmentioning

confidence: 99%

“…[8][9][10] In clinical practice, imaging is often used to work-up hydrocephalus in search of obstructing lesions or the presence of ventriculomegaly. However, ventricular size, a frequently used imaging feature, does not always correlate with underlying CSF pressures or resorptive capacity for CSF [11][12][13][14][15][16] and, therefore, may not reliably identify compensated hydrocephalus without signs of raised intracranial pressure (ICP) and progressive hydrocephalus with raised ICP.…”

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confidence: 99%

See 2 more Smart Citations

Hydrocephalus Decreases Arterial Spin-Labeled Cerebral Perfusion

Yeom¹,

Lober²,

Alexander³

et al. 2014

AJNR Am J Neuroradiol

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Section: Figmentioning

confidence: 99%

Section: Figmentioning

confidence: 99%

mentioning

confidence: 99%

See 1 more Smart Citation

Hydrocephalus Decreases Arterial Spin-Labeled Cerebral Perfusion

Yeom¹,

Lober²,

Alexander³

et al. 2014

AJNR Am J Neuroradiol

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“…The fluid circulates from ventricles where it is produced to the subarachnoid space where it is resorbed into the circulatory system [1]. Figure 1 shows descriptive representations of the fluid pathway from ventricles to the subarachnoid space in a sagittal plane (left) and through the various encountered spaces as proposed in [2] (right). Hydrocephalus can be classified into noncommunicating and communicating depending on whether the fluid pathway is obstructed or not [2].…”

Section: Introductionmentioning

confidence: 99%

Cerebrospinal fluid volume analysis for hydrocephalus diagnosis and clinical research

Lebret¹,

Hodel²,

Rahmouni³

et al. 2013

Computerized Medical Imaging and Graphics

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In this paper we analyze volumes of the cerebrospinal fluid spaces for the diagnosis of hydrocephalus, which are served as reference values for future studies. We first present an automatic method to estimate those volumes from a new three-dimensional whole body magnetic resonance imaging sequence. This enables us to statistically analyze the fluid volumes, and to show that the ratio of subarachnoid volume to ventricular one is a proportionality constant for healthy adults (= 10.73), while in range [0.63, 4.61] for hydrocephalus patients. This indicates that a robust distinction between pathological and healthy cases can be achieved by using this ratio as an index.

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“…Esta falha de reabsorção surge devido a processos obstrutivos no nível das granulações aracnoides (de Pacchioni), o que faz com que esta classificação continue a ser discutida nos dias atuais, e considera-se que mesmo hidrocefalias comunicantes também têm componente obstrutivo (REKATE et al, 2011).…”

Section: Classificação Da Hidrocefaliaunclassified

Análise dos efeitos clínico-radiológicos, histopatológicos e bioquímicos da derivação ventrículo-subcutânea na hidrocefalia induzida por caulim em ratos

Santos¹

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AGRADECIMENTOS"Ofereço, a todos que contribuíram para este trabalho, aquele âmago de mim que consegui salvar, de alguma maneira -o coração central que não lida com palavras, não trafica com sonhos e que é intocado pelo tempo, pela alegria, por adversidades." À minha esposa Leila, pelo apoio e amor incondicionais, e meus filhos Maria e Rafael, sem os quais a vida não teria sentido.A todos os meus familiares, especialmente meus pais Celso e Marlei, meus irmãos Patrícia e Fábio, meus sogros Lourival (in memoriam) e Gecilda e meus cunhados, que proporcionaram todas as condições para meu desenvolvimento pessoal e profissional.Ao Prof. Dr. Ricardo Santos de Oliveira, mestre e amigo, com quem aprendo continuamente e cujo exemplo seguirei orgulhosamente. As palavras não são suficientes para agradecê-lo. Introdução.A hidrocefalia é uma doença de complexa fisiopatologia, que não só afeta a dinâmica do líquido cefalorraquidiano (LCR), mas também outras estruturas do sistema nervoso central, e consequentemente pode trazer sequelas graves em crianças. Sua fisiopatologia, principalmente no nível bioquímico-celular, ainda é pouco conhecida. Objetivos. Avaliar aspectos clínicos (ganho ponderal, comportamento motor e memória), radiológicos (razão ventricular e transferência de magnetização), histopatológicos (astrocitose reativa e proliferação celular na matriz germinativa) e bioquímicos (presença de interleucinas inflamatórias no líquor) na fase aguda da hidrocefalia experimental induzida por caulim e o efeito do tratamento com derivação adaptada (ventrículo-subcutânea). Materiais e métodos.Utilizaram-se ratos Wistar com 7 dias de vida, que foram divididos em três grupos: controle sem injeção de caulim (n = 5), hidrocefálico sem tratamento (n=17), e hidrocefálico tratado com derivação ventrículo-subcutâneo (DVSC), a partir do 7 o dia pós-indução (n=24 Introduction. Hydrocephalus is a complex disease, which affects not only cerebrospinal fluid dynamics, but also other cerebral structures, and therefore may result in severe disability for children. Its pathophysiology is still widely unknown, especially on a cellular-biochemical level. Objectives. Assessment of clinical (weight gain, behavior), radiological (ventricular index and magnetization transfer ratio), histopathological (reactive astrocytosis and cell proliferation over the germinal matrix) and biochemical (dosage of inflammatory interleukins) aspects of acute kaolin-induced experimental hydrocephalus and the effects of the treatment with an adapted shunt (ventricular-subcutaneous). Methods. 7-day-old Wistar rats were divided into three groups: untreated hydrocephalic (n=17), hydrocephalic treated with shunt on the 7 th day after induction (n=24) and controls (n=5). Hydrocephalic animals, both treated and untreated, were injected with a 15% kaolin solution on the cisterna magna, to produce hydrocephalus. Results. Weight gain was similar on both hydrocephalic groups but lower than in controls. Motor behavior was also worse than controls for both groups, but treated animal...

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A consensus on the classification of hydrocephalus: its utility in the assessment of abnormalities of cerebrospinal fluid dynamics

Cited by 115 publications

References 28 publications

Hydrocephalus Decreases Arterial Spin-Labeled Cerebral Perfusion

Hydrocephalus Decreases Arterial Spin-Labeled Cerebral Perfusion

Cerebrospinal fluid volume analysis for hydrocephalus diagnosis and clinical research

Análise dos efeitos clínico-radiológicos, histopatológicos e bioquímicos da derivação ventrículo-subcutânea na hidrocefalia induzida por caulim em ratos

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