Aqueductal CSF Stroke Volume Is Increased in Patients with Idiopathic Normal Pressure Hydrocephalus and Decreases after Shunt Surgery

References

1. 1.↵
   2. Adams RD,
   3. Fisher CM,
   4. Hakim S, et al

   . Symptomatic occult hydrocephalus with “normal” cerebrospinal-fluid pressure: a treatable syndrome. N Engl J Med 1965;273:117–26 doi:10.1056/NEJM196507152730301 pmid:14303656

   CrossRefPubMedWeb of Science
2. 2.↵
   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
3. 3.↵
   2. Kockum K,
   3. Lilja-Lund O,
   4. Larsson EM, et al

   . The idiopathic normal-pressure hydrocephalus Radscale: a radiological scale for structured evaluation. Eur J Neurol 2018;25:569–76 doi:10.1111/ene.13555 pmid:29281156

   CrossRefPubMed
4. 4.↵
   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
5. 5.↵
   2. Sundström N,
   3. Malm J,
   4. Laurell K, et al

   . Incidence and outcome of surgery for adult hydrocephalus patients in Sweden. Br J Neurosurg 2017;31:21–27 doi:10.1080/02688697.2016.1229749 pmid:27619731

   CrossRefPubMed
6. 6.↵
   2. Toma AK,
   3. Papadopoulos MC,
   4. Stapleton S, et al

   . Systematic review of the outcome of shunt surgery in idiopathic normal-pressure hydrocephalus. Acta Neurochir (Wien) 2013;155:1977–80 doi:10.1007/s00701-013-1835-5 pmid:23975646

   CrossRefPubMed
7. 7.↵
   2. Bradley WG Jr.,
   3. Scalzo D,
   4. Queralt J, et al

   . Normal-pressure hydrocephalus: evaluation with cerebrospinal fluid flow measurements at MR imaging. Radiology 1996;198:523–29 doi:10.1148/radiology.198.2.8596861 pmid:8596861

   CrossRefPubMedWeb of Science
8. 8.↵
   2. Kahlon B,
   3. Annertz M,
   4. Ståhlberg F, et al

   . Is aqueductal stroke volume, measured with cine phase-contrast magnetic resonance imaging scans useful in predicting outcome of shunt surgery in suspected normal pressure hydrocephalus? Neurosurgery 2007;60:124–29; discussion 129–30 doi:10.1227/01.NEU.0000249208.04344.A3 pmid:17228260

   CrossRefPubMed
9. 9.↵
   2. Algin O,
   3. Hakyemez B,
   4. Parlak M

   . The efficiency of PC-MRI in diagnosis of normal pressure hydrocephalus and prediction of shunt response. Acad Radiol 2010;17:181–87 doi:10.1016/j.acra.2009.08.011 pmid:19910214

   CrossRefPubMed
10. 10.↵
    2. Ringstad G,
    3. Emblem KE,
    4. Geier O, et al

    . Aqueductal stroke volume: comparisons with intracranial pressure scores in idiopathic normal pressure hydrocephalus. AJNR Am J Neuroradiol 2015;36:1623–30 doi:10.3174/ajnr.A4340 pmid:25977480

    Abstract/FREE Full Text
11. 11.↵
    2. Dixon GR,
    3. Friedman JA,
    4. Luetmer PH, et al

    . Use of cerebrospinal fluid flow rates measured by phase-contrast MR to predict outcome of ventriculoperitoneal shunting for idiopathic normal-pressure hydrocephalus. Mayo Clin Proc 2002;77:509–14 doi:10.4065/77.6.509 pmid:12059119

    CrossRefPubMedWeb of Science
12. 12.↵
    2. Ringstad G,
    3. Emblem KE,
    4. Eide PK

    . Phase-contrast magnetic resonance imaging reveals net retrograde aqueductal flow in idiopathic normal pressure hydrocephalus. J Neurosurg 2016;124:1850–57 doi:10.3171/2015.6.JNS15496 pmid:26636385

    CrossRefPubMed
13. 13.↵
    2. Yin LK,
    3. Zheng JJ,
    4. Zhao L, et al

    . Reversed aqueductal cerebrospinal fluid net flow in idiopathic normal pressure hydrocephalus. Acta Neurol Scand 2017;136:434–39 doi:10.1111/ane.12750 pmid:28247411

    CrossRefPubMed
14. 14.↵
    2. Kim DS,
    3. Choi JU,
    4. Huh R, et al

    . Quantitative assessment of cerebrospinal fluid hydrodynamics using a phase-contrast cine MR image in hydrocephalus. Childs Nerv Syst 1999;15:461–67 doi:10.1007/s003810050440 pmid:10502007

    CrossRefPubMed
15. 15.↵
    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
16. 16.↵
    2. Virhammar J,
    3. Laurell K,
    4. Ahlgren A, et al

    . Arterial spin-labeling perfusion MR imaging demonstrates regional CBF decrease in idiopathic normal pressure hydrocephalus. AJNR Am J Neuroradiol 2017;38:2081–88 doi:10.3174/ajnr.A5347 pmid:28860216

    Abstract/FREE Full Text
17. 17.↵
    2. Virhammar J,
    3. Laurell K,
    4. Ahlgren A, et al

    . Idiopathic normal pressure hydrocephalus: cerebral perfusion measured with pCASL before and repeatedly after CSF removal. J Cereb Blood Flow Metab 2014;34:1771–78 doi:10.1038/jcbfm.2014.138 pmid:25138210

    CrossRefPubMed
18. 18.↵
    2. Hellström P,
    3. Klinge P,
    4. Tans J, et al

    . A new scale for assessment of severity and outcome in iNPH. Acta Neurol Scand 2012;126:229–37 doi:10.1111/j.1600-0404.2012.01677.x pmid:22587624

    CrossRefPubMed
19. 19.↵
    2. Evans W

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

    CrossRef
20. 20.↵
    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
21. 21.↵
    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
22. 22.↵
    2. Bradley WG Jr.,
    3. Whittemore AR,
    4. Kortman KE, et al

    . Marked cerebrospinal fluid void: indicator of successful shunt in patients with suspected normal-pressure hydrocephalus. Radiology 1991;178:459–66 doi:10.1148/radiology.178.2.1987609 pmid:1987609

    CrossRefPubMedWeb of Science
23. 23.↵
    2. Warntjes JB,
    3. Leinhard OD,
    4. West J, et al

    . Rapid magnetic resonance quantification on the brain: Optimization for clinical usage. Magn Reson Med 2008;60:320–29 doi:10.1002/mrm.21635 pmid:18666127

    CrossRefPubMed
24. 24.↵
    2. Bradley WG Jr.

    . CSF flow in the brain in the context of normal pressure hydrocephalus. AJNR Am J Neuroradiol 2015;36:831–38 doi:10.3174/ajnr.A4124 pmid:25355813

    Abstract/FREE Full Text
25. 25.↵
    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
26. 26.↵
    2. Abbey P,
    3. Singh P,
    4. Khandelwal N, et al

    . Shunt surgery effects on cerebrospinal fluid flow across the aqueduct of Sylvius in patients with communicating hydrocephalus. J Clin Neurosci 2009;16:514–18 doi:10.1016/j.jocn.2008.05.009 pmid:19195891

    CrossRefPubMed
27. 27.↵
    2. Bateman GA

    . Vascular compliance in normal pressure hydrocephalus. AJNR Am J Neuroradiol 2000;21:1574–85 pmid:11039334

    Abstract/FREE Full Text
28. 28.↵
    2. Bradley WG,
    3. Safar FG,
    4. Furtado C, et al

    . Increased intracranial volume: a clue to the etiology of idiopathic normal-pressure hydrocephalus? AJNR Am J Neuroradiol 2004;25:1479–84 pmid:15502125

    Abstract/FREE Full Text
29. 29.↵
    2. Greitz D

    . Radiological assessment of hydrocephalus: new theories and implications for therapy. Neurosurg Rev 2004;27:145–65; discussion 166–67 pmid:15164255

    CrossRefPubMedWeb of Science
30. 30.↵
    2. Chiang WW,
    3. Takoudis CG,
    4. Lee SH, et al

    . Relationship between ventricular morphology and aqueductal cerebrospinal fluid flow in healthy and communicating hydrocephalus. Invest Radiol 2009;44:192–99 doi:10.1097/RLI.0b013e31819a640b pmid:19300098

    CrossRefPubMed
31. 31.↵
    2. Qvarlander S

    . Analysis of ICP Pulsatility and CSF Dynamics: The Pulsatility Curve and Effects of Postural Changes, with Implications for Idiopathic Normal Pressure Hydrocephalus [thesis]. Umeå: Umeå University; 2013
32. 32.↵
    2. Al-Zain FT,
    3. Rademacher G,
    4. Meier U, et al

    . The role of cerebrospinal fluid flow study using phase contrast MR imaging in diagnosing idiopathic normal pressure hydrocephalus. Acta Neurochir Suppl 2008;102:119–23 doi:10.1007/978-3-211-85578-2_24 pmid:19388301

    CrossRefPubMed
33. 33.↵
    2. Luetmer PH,
    3. Huston J,
    4. Friedman JA, et al

    . Measurement of cerebrospinal fluid flow at the cerebral aqueduct by use of phase-contrast magnetic resonance imaging: technique validation and utility in diagnosing idiopathic normal pressure hydrocephalus. Neurosurgery 2002;50:534–43; discussion 543–44 pmid:11841721

    PubMedWeb of Science
34. 34.↵
    2. Qvarlander S,
    3. Ambarki K,
    4. Wahlin A, et al

    . Cerebrospinal fluid and blood flow patterns in idiopathic normal pressure hydrocephalus. Acta Neurol Scand 2017;135:576–84 doi:10.1111/ane.12636 pmid:27388230

    CrossRefPubMed
35. 35.↵
    2. Chaarani B,
    3. Bader C,
    4. Capel C, et al

    . Estimation of the lateral ventricles volumes from a 2D image and its relationship with cerebrospinal fluid flow. Biomed Res Int 2013;2013:215989 doi:10.1155/2013/215989 pmid:24151585

    CrossRefPubMed
36. 36.↵
    2. Scollato A,
    3. Gallina P,
    4. Gautam B, et al

    . Changes in aqueductal CSF stroke volume in shunted patients with idiopathic normal-pressure hydrocephalus. AJNR Am J Neuroradiol 2009;30:1580–86 doi:10.3174/ajnr.A1616 pmid:19461060

    Abstract/FREE Full Text
37. 37.↵
    2. Penn RD,
    3. Basati S,
    4. Sweetman B, et al

    . Ventricle wall movements and cerebrospinal fluid flow in hydrocephalus. J Neurosurg 2011;115:159–64 doi:10.3171/2010.12.JNS10926 pmid:21275563

    CrossRefPubMed
38. 38.↵
    2. Spector R,
    3. Robert Snodgrass S,
    4. Johanson CE

    . A balanced view of the cerebrospinal fluid composition and functions: focus on adult humans. Exp Neurol 2015;273:57–68 doi:10.1016/j.expneurol.2015.07.027 pmid:26247808

    CrossRefPubMed
39. 39.↵
    2. Wagshul ME,
    3. Chen JJ,
    4. Egnor MR, et al

    . Amplitude and phase of cerebrospinal fluid pulsations: experimental studies and review of the literature. J Neurosurg 2006;104:810–19 pmid:16703889

    CrossRefPubMedWeb of Science
40. 40.↵
    2. Lindstrom EK,
    3. Ringstad G,
    4. Mardal KA, et al

    . Cerebrospinal fluid volumetric net flow rate and direction in idiopathic normal pressure hydrocephalus. Neuroimage Clin 2018;20:731–41 doi:10.1016/j.nicl.2018.09.006 pmid:30238917

    CrossRefPubMed
41. 41.↵
    2. Chen L,
    3. Beckett A,
    4. Verma A, et al

    . Dynamics of respiratory and cardiac CSF motion revealed with real-time simultaneous multi-slice EPI velocity phase contrast imaging. Neuroimage 2015;122:281–87 doi:10.1016/j.neuroimage.2015.07.073 pmid:26241682

    CrossRefPubMed