Is normal pressure hydrocephalus a valid concept in 2002? A reappraisal in five questions and proposal for a new designation of the syndrome as "chronic hydrocephalus"

Bret, P; Guyotat, Jacques; Chazal, J.

doi:10.1136/jnnp.73.1.9

Cited by 82 publications

(31 citation statements)

References 49 publications

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“…[1][2][3][4][5][6][7][8][9] The symptoms of the disease can be improved by shunting of cerebrospinal fluid (CSF). Shunt surgery is routinely applied to selected patients after careful clinical assessment of the potential risks and benefits.…”

Section: ª 2015 By the American Congress Of Rehabilitation Medicinementioning

confidence: 99%

Instrumented Gait Analysis for an Objective Pre-/Postassessment of Tap Test in Normal Pressure Hydrocephalus

Agostini

Lanotte

Carlone

et al. 2015

Archives of Physical Medicine and Rehabilitation

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Section: ª 2015 By the American Congress Of Rehabilitation Medicinementioning

confidence: 99%

Instrumented Gait Analysis for an Objective Pre-/Postassessment of Tap Test in Normal Pressure Hydrocephalus

Agostini

Lanotte

Carlone

et al. 2015

Archives of Physical Medicine and Rehabilitation

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“…There are differing opinions as to whether measuring aqueductal CSF flow velocity and flow rate contributes to a differential diagnosis of NPH or on in the decision-making regarding shunt therapy (6). Dixon et al (6) concluded that there is no indication for a CSF flow examination before shunt therapy in patients with a clinical diagnosis of NPH whereas it may be a valuable tool in patients with a pre-diagnosis of NPH with inadequate clinical findings. In the latter case, an enhanced flow rate may imply that the patient will benefit from a shunt operation.…”

Section: Discussionmentioning

confidence: 99%

Normal pressure hydrocephalus versus atrophic dilatation to distinguish and predict the benefits of surgical intervention with a phase-contrast MRI technique

Aslan¹,

Tokatlioğlu²,

Aydin³

et al. 2014

Turkish Neurosurgery

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AIM:To compare mean cerebrospinal fluid (CSF) volume in the aqueduct by using phase-contrast magnetic resonance imaging for the patients with idiopathic normal pressure hydrocephalus (INPH) and atrophic dilation (AD) to investigate the efficacy of this technique in predicting surgery. MATERIAL and METHODS:The MR images of a total of 80 individuals, consisting of 30 patients considered to have INPH, 20 patients with AD not proportional with cerebral sulci, and 30 control cases without a hydrocephalus clinical picture, were evaluated retrospectively. The minute mean aqueductal CSF flow rates of the three groups were compared using the Kruskall-Wallis analysis of variance, and the inter-group statistical comparisons were made using the Mann-Whitney U test. RESULTS:The mean aqueductal flow rates were 46.56 ± 25.06 ml/min for the INPH group, 9.28 ± 4.68 ml/min for the AD group, and 8.68 ± 3.40 ml/min for the control group. The mean flow rate of the INPH group was significantly higher than those of the control and ADH groups (p < 0.001). CONCLUSION:The mean CSF flow rate may be useful in the diagnosis and differential diagnosis, and the prediction of the potential benefits of surgical intervention for patients considered to have INPH.KEywORDS: Phase-contrast magnetic resonance imaging, Normal pressure hydrocephalus, Cerebrospinal fluid ÖZ AMAÇ: Faz kontrast manyetik rezonans görüntüleme kullanarak, idiyopatik normal basınçlı hidrosefali (İNBH) li hastalar ile atrofik dilatasyonu (AD) bulunan hastalarda akuaduktustaki ortalama beyin omurilik sıvısı (BOS) volümünü karşılaştırmak ve bu tekniğin cerrahi yararı öngörmedeki etkinliğini araştırmaktır. yÖNTEM ve GEREÇLER: İNBH olarak değerlendirilen 30 hasta, serebral sulkuslar ile orantısız AD bulunan 20 hasta, hidrosefali kliniği bulunmayan kontrol grubu 30 olgu olmak üzere toplam 80 olgunun MR görüntüleri retrospektif olarak incelendi. Üç grup arasında akuaduktustaki dakikalık ortalama BOS debileri Kruskall-Wallis varyans analizi ile, gruplar birbirleri ile Mann-Whitney U testi ile istatistiksel olarak karşılaştırıldı. BULGULAR:Akuaduktus düzeyinden elde edilen ortalama debi değerleri; İNBH grubunda 46,56 ± 25,06 ml/dk, AD grubunda 9,28 ± 4,68 ml/ dk, kontrol grubunda 8,68 ± 3,40 ml/dk idi. İNBH grubundaki ortalama debi, kontrol grubu ve AD grubu ile karşılaştırıldığında istatistiksel olarak anlamlı fazla bulundu (p < 0,001). SONUÇ:Ortalama BOS debi oranları, İNBH düşünülen olgularda tanıda, ayırıcı tanıda ve cerrahi yararı öngörmede faydalı olabilir.ANAHTAR SÖZCÜKLER: Faz kontrast manyetik rezonans görüntüleme, Normal basınçlı hidrosefali, Beyin omurilik sıvısı

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“…Концепция, в со-ответствии с которой «нормальное» давление СМЖ характерно для ИÃНД, подверглась критике [5,41]. В норме у добровольцев этот показатель составляет (122±34) мм вод.ст., или (8,8±0,9) мм рт.ст.…”

Section: ôèçèîëîãèяunclassified

Diagnostics of idiopathic normal pressure hydrocephalus: literature review

Dzyak

Sirko²,

Marchenko³

et al. 2011

Ukr Neurosurg J

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Is normal pressure hydrocephalus a valid concept in 2002? A reappraisal in five questions and proposal for a new designation of the syndrome as "chronic hydrocephalus"

Cited by 82 publications

References 49 publications

Instrumented Gait Analysis for an Objective Pre-/Postassessment of Tap Test in Normal Pressure Hydrocephalus

Instrumented Gait Analysis for an Objective Pre-/Postassessment of Tap Test in Normal Pressure Hydrocephalus

Normal pressure hydrocephalus versus atrophic dilatation to distinguish and predict the benefits of surgical intervention with a phase-contrast MRI technique

Diagnostics of idiopathic normal pressure hydrocephalus: literature review

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