High-Convexity Tightness Predicts the Shunt Response in Idiopathic Normal Pressure Hydrocephalus

References

1. 1.↵
   2. Mori E,
   3. Ishikawa M,
   4. Kato T, et al

   . Guidelines for management of idiopathic normal pressure hydrocephalus: second edition. Neurol Med Chir (Tokyo) 2012;52:775–809 doi:10.2176/nmc.52.775 pmid:23183074

   CrossRefPubMed
2. 2.↵
   2. Jaraj D,
   3. Rabiei K,
   4. Marlow T, et al

   . Prevalence of idiopathic normal-pressure hydrocephalus. Neurology 2014;82:1449–54 doi:10.1212/WNL.0000000000000342 pmid:24682964

   Abstract/FREE Full Text
3. 3.↵
   2. de Lau LM,
   3. Breteler MM

   . Epidemiology of Parkinson's disease. Lancet Neurol 2006;5:525–35 doi:10.1016/S1474-4422(06)70471-9 pmid:16713924

   CrossRefPubMedWeb of Science
4. 4.↵
   2. Malm J,
   3. Graff-Radford NR,
   4. Ishikawa M, et al

   . Influence of comorbidities in idiopathic normal pressure hydrocephalus: research and clinical care—a report of the ISHCSF task force on comorbidities in INPH. Fluids Barriers CNS 2013;10:22 doi:10.1186/2045-8118-10-22 pmid:23758953

   CrossRefPubMed
5. 5.↵
   2. Williams MA,
   3. Relkin NR

   . Diagnosis and management of idiopathic normal-pressure hydrocephalus. Neurol Clin Pract 2013;3:375–85 doi:10.1212/CPJ.0b013e3182a78f6b pmid:24175154

   Abstract/FREE Full Text
6. 6.↵
   2. Hebb AO,
   3. Cusimano MD

   . Idiopathic normal pressure hydrocephalus: a systematic review of diagnosis and outcome. Neurosurgery 2001;49:1166–84; discussion 1184–86 doi:10.1097/00006123-200111000-00028 pmid:11846911

   CrossRefPubMedWeb of Science
7. 7.↵
   2. Klinge P,
   3. Hellström P,
   4. Tans J, et al

   ; European iNPH Multicentre Study Group. One-year outcome in the European multicentre study on iNPH. Acta Neurol Scand 2012;126:145–53 doi:10.1111/j.1600-0404.2012.01676.x pmid:22571428

   CrossRefPubMed
8. 8.↵
   2. Relkin N,
   3. Marmarou A,
   4. Klinge P, et al

   . Diagnosing idiopathic normal-pressure hydrocephalus. Neurosurgery 2005;57:S4–16; discussion ii–v pmid:16160425

   CrossRefPubMed
9. 9.↵
   2. Kahlon B,
   3. Sundbärg G,
   4. Rehncrona S

   . Comparison between the lumbar infusion and CSF tap tests to predict outcome after shunt surgery in suspected normal pressure hydrocephalus. J Neurol Neurosurg Psychiatry 2002;73:721–26 doi:10.1136/jnnp.73.6.721 pmid:12438477

   Abstract/FREE Full Text
10. 10.↵
    2. Sand T,
    3. Bovim G,
    4. Grimse R, et al

    . Idiopathic normal pressure hydrocephalus: the CSF tap-test may predict the clinical response to shunting. Acta Neurol Scand 1994;89:311–16 pmid:8085427

    PubMedWeb of Science
11. 11.↵
    2. Walchenbach R,
    3. Geiger E,
    4. Thomeer RT, et al

    . The value of temporary external lumbar CSF drainage in predicting the outcome of shunting on normal pressure hydrocephalus. J Neurol Neurosurg Psychiatry 2002;72:503–06 pmid:11909911

    Abstract/FREE Full Text
12. 12.↵
    2. Ishikawa M,
    3. Hashimoto M,
    4. Mori E, et al

    . The value of the cerebrospinal fluid tap test for predicting shunt effectiveness in idiopathic normal pressure hydrocephalus. Fluids Barriers CNS 2012;9:1 doi:10.1186/2045-8118-9-1 pmid:22239832

    CrossRefPubMed
13. 13.↵
    2. Eide PK,
    3. Brean A

    . Cerebrospinal fluid pulse pressure amplitude during lumbar infusion in idiopathic normal pressure hydrocephalus can predict response to shunting. Cerebrospinal Fluid Res 2010;7:5 doi:10.1186/1743-8454-7-5 pmid:20205911

    CrossRefPubMed
14. 14.↵
    2. Ishikawa M,
    3. Hashimoto M,
    4. Kuwana N, et al

    . Guidelines for management of idiopathic normal pressure hydrocephalus. Neurol Med Chir (Tokyo) 2008;48(suppl):S1–23 doi:10.2176/nmc.48.S1 pmid:18408356

    CrossRefPubMed
15. 15.↵
    2. Iseki C,
    3. Kawanami T,
    4. Nagasawa H, et al

    . Asymptomatic ventriculomegaly with features of idiopathic normal pressure hydrocephalus on MRI (AVIM) in the elderly: a prospective study in a Japanese population. J Neurol Sci 2009;277:54–57 doi:10.1016/j.jns.2008.10.004 pmid:18990411

    CrossRefPubMed
16. 16.↵
    2. Kubo Y,
    3. Kazui H,
    4. Yoshida T, et al

    . Validation of grading scale for evaluating symptoms of idiopathic normal-pressure hydrocephalus. Dement Geriatr Cogn Disord 2008;25:37–45 doi:10.1159/000111149 pmid:18025828

    CrossRefPubMed
17. 17.↵
    2. Podsiadlo D,
    3. Richardson S

    . The timed “Up & Go”: a test of basic functional mobility for frail elderly persons. J Am Geriatr Soc 1991;39:142–48 doi:10.1111/j.1532-5415.1991.tb01616.x pmid:1991946

    CrossRefPubMedWeb of Science
18. 18.↵
    2. Mori E,
    3. Mitani Y,
    4. Yamadori A

    . Usefulness of Japanese version of the Mini-Mental State Examination in neurological patients [in Japanese]. Jpn J Neuropsychol 1985;1:82–90
19. 19.↵
    2. Evans WA

    . An encephalographic ratio for estimating ventricular enlargement and cerebral atrophy. Arch NeurPsych 1942;47:931–37 doi:10.1001/archneurpsyc.1942.02290060069004

    CrossRef
20. 20.↵
    2. Ishii K,
    3. Kanda T,
    4. Harada A, et al

    . Clinical impact of the callosal angle in the diagnosis of idiopathic normal pressure hydrocephalus. Eur Radiol 2008;18:2678–83 doi:10.1007/s00330-008-1044-4 pmid:18500524

    CrossRefPubMed
21. 21.↵
    2. Virhammar J,
    3. Laurell K,
    4. Cesarini KG, et al

    . Preoperative prognostic value of MRI findings in 108 patients with idiopathic normal pressure hydrocephalus. AJNR Am J Neuroradiol 2014;35:2311–18 doi:10.3174/ajnr.A4046 pmid:25012669

    Abstract/FREE Full Text
22. 22.↵
    2. Fazekas F,
    3. Chawluk JB,
    4. Alavi A, et al

    . MR signal abnormalities at 1.5 T in Alzheimer's dementia and normal aging. AJR Am J Roentgenol 1987;149:351–56 doi:10.2214/ajr.149.2.351 pmid:3496763

    CrossRefPubMedWeb of Science
23. 23.↵
    2. Gunasekera L,
    3. Richardson AE

    . Computerized axial tomography in idiopathic hydrocephalus. Brain 1977;100:749–54 doi:10.1093/brain/100.4.749 pmid:608119

    FREE Full Text
24. 24.↵
    2. Benzel EC,
    3. Pelletier AL,
    4. Levy PG

    . Communicating hydrocephalus in adults: prediction of outcome after ventricular shunting procedures. Neurosurgery 1990;26:655–60 doi:10.1227/00006123-199004000-00015 pmid:2330088

    CrossRefPubMed
25. 25.↵
    2. Kitagaki H,
    3. Mori E,
    4. Ishii K, et al

    . CSF spaces in idiopathic normal pressure hydrocephalus: morphology and volumetry. AJNR Am J Neuroradiol 1998;19:1277–84 pmid:9726467

    Abstract
26. 26.↵
    2. Hashimoto M,
    3. Ishikawa M,
    4. Mori E, et al

    ; Study of INPH on neurological improvement (SINPHONI). Diagnosis of idiopathic normal pressure hydrocephalus is supported by MRI-based scheme: a prospective cohort study. Cerebrospinal Fluid Res 2010;7:18 doi:10.1186/1743-8454-7-18 pmid:21040519

    CrossRefPubMed
27. 27.↵
    2. Yamashita F,
    3. Sasaki M,
    4. Takahashi S, et al

    . Detection of changes in cerebrospinal fluid space in idiopathic normal pressure hydrocephalus using voxel-based morphometry. Neuroradiology 2010;52:381–86 doi:10.1007/s00234-009-0610-z pmid:19847409

    CrossRefPubMed
28. 28.↵
    2. Yamashita F,
    3. Sasaki M,
    4. Saito M, et al

    . Voxel-based morphometry of disproportionate cerebrospinal fluid space distribution for the differential diagnosis of idiopathic normal pressure hydrocephalus. J Neuroimaging 2014;24:359–65 doi:10.1111/jon.12049 pmid:24033752

    CrossRefPubMed
29. 29.↵
    2. Ishii K,
    3. Soma T,
    4. Shimada K, et al

    . Automatic volumetry of the cerebrospinal fluid space in idiopathic normal pressure hydrocephalus. Dement Geriatr Cogn Dis Extra 2013;3:489–96 doi:10.1159/000357329 pmid:24516417

    CrossRefPubMed
30. 30.↵
    2. Kojoukhova M,
    3. Koivisto AM,
    4. Korhonen R, et al

    . Feasibility of radiological markers in idiopathic normal pressure hydrocephalus. Acta Neurochir (Wien) 2015;157:1709–18; discussion 1719 doi:10.1007/s00701-015-2503-8 pmid:26190755

    CrossRefPubMed
31. 31.↵
    2. Kazui H,
    3. Miyajima M,
    4. Mori E, et al

    ; SINPHONI-2 Investigators. Lumboperitoneal shunt surgery for idiopathic normal pressure hydrocephalus (SINPHONI-2): an open-label randomised trial. Lancet Neurol 2015;14:585–94 doi:10.1016/S1474-4422(15)00046-0 pmid:25934242

    CrossRefPubMed
32. 32.↵
    2. Hiraoka K,
    3. Yamasaki H,
    4. Takagi M, et al

    . Changes in the volumes of the brain and cerebrospinal fluid spaces after shunt surgery in idiopathic normal-pressure hydrocephalus. J Neurol Sci 2010;296:7–12 doi:10.1016/j.jns.2010.06.021 pmid:20663514

    CrossRefPubMed
33. 33.↵
    2. Caruso R,
    3. Cervoni L,
    4. Vitale AM, et al

    . Idiopathic normal-pressure hydrocephalus in adults: result of shunting correlated with clinical findings in 18 patients and review of the literature. Neurosurg Rev 1997;20:104–07 doi:10.1007/BF01138192 pmid:9226668

    CrossRefPubMedWeb of Science
34. 34.↵
    2. Andrén K,
    3. Wikkelso C,
    4. Tisell M, et al

    . Natural course of idiopathic normal pressure hydrocephalus. J Neurol Neurosurg Psychiatry 2014;85:806–10 doi:10.1136/jnnp-2013-306117 pmid:24292998

    Abstract/FREE Full Text
35. 35.↵
    2. Hiraoka K,
    3. Narita W,
    4. Kikuchi H, et al

    . Amyloid deposits and response to shunt surgery in idiopathic normal-pressure hydrocephalus. J Neurol Sci 2015;356:124–28 doi:10.1016/j.jns.2015.06.029 pmid:26095458

    CrossRefPubMed
36. 36.↵
    2. Iseki C,
    3. Takahashi Y,
    4. Wada M, et al

    . Incidence of idiopathic normal pressure hydrocephalus (iNPH): a 10-year follow-up study of a rural community in Japan. J Neurol Sci 2014;339:108–12 doi:10.1016/j.jns.2014.01.033 pmid:24656600

    CrossRefPubMed
37. 37.↵
    2. Razay G,
    3. Vreugdenhil A,
    4. Liddell J

    . A prospective study of ventriculo-peritoneal shunting for idiopathic normal pressure hydrocephalus. J Clin Neurosci 2009;16:1180–83 doi:10.1016/j.jocn.2008.12.007 pmid:19497748

    CrossRefPubMed
38. 38.↵
    2. Scollato A,
    3. Tenenbaum R,
    4. Bahl G, et al

    . Changes in aqueductal CSF stroke volume and progression of symptoms in patients with unshunted idiopathic normal pressure hydrocephalus. AJNR Am J Neuroradiol 2008;29:192–97 doi:10.3174/ajnr.A0785 pmid:17925364

    Abstract/FREE Full Text