Abstract
A clear trend towards better outcomes in patients with normal pressure hydrocephalus (NPH) has been shown in studies published in the last decade. This is due in part to the availability of more sophisticated hardware and a better understanding of the risks and characteristics of these fragile patients. Because there is no robust evidence showing the superiority of specific type of valve, neurosurgeons face a dilemma in choosing the most adequate shunt, an essential step in improving outcome and avoiding “shunt-patient mismatch.” The most commonly known consequence of hydrodynamic mismatch is shunt overdrainage. However, a lesser-known consequence of poor hardware selection is occult shunt dysfunction, which can cause lack of improvement or later deterioration after initial improvement. Shunt selection must be based on the fact that intracranial pressure (ICP) and CSF dynamics are highly heterogeneous in NPH. Patients may present active hydrocephalus (mean ICP >12 mmHg), compensated hydrocephalus (mean ICP of 5–12 mmHg), or even low-pressure hydrocephalus (ICP <5 mmHg). In addition to the valve, which has a specific opening pressure and resistance, the shunt system must include a gravitational device. Clinical symptoms and neuroimaging studies are sufficient to diagnose complications related with overdrainage. However, continuous ICP monitoring helps to identify possible cases of underdrainage that result in a lack of improvement in certain patients. In the management of patients with NPH, ICP values and intra-abdominal pressure, as well as the hydrodynamic proprieties of the shunt system selected, must be considered.
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References
Adams RD, Fisher CM, Hakim S et al (1965) Symptomatic occult hydrocephalus with “normal” cerebrospinal fluid pressure. A treatable syndrome. N Engl J Med 273:117–126
Aschoff A, Kremer P, Benesch C et al (1995) Overdrainage and shunt technology. A critical comparison of programmable, hydrostatic and variable-resistance valves and flow- reducing devices. Childs Nerv Syst 11:193–202
Barami K, Sood S, Ham SD et al (2000) Postural changes in intracranial pressure in chronically shunted patients. Pediatr Neurosurg 33:64–69
Bergsneider M, Black PM, Klinge P et al (2005) Surgical management of idiopathic normal-pressure hydrocephalus. Neurosurgery 57:S29–S39
Blomsterwall E, Bilting M, Stephensen H et al (1995) Gait abnormality is not the only motor disturbance in normal pressure hydrocephalus. Scand J Rehabil Med 27:205–209
Blomsterwall E, Svantesson U, Carlsson U et al (2000) Postural disturbance in patients with normal pressure hydrocephalus. Acta Neurol Scand 102:284–291
Boon AJ, Tans JT, Delwel EJ et al (1998) Dutch normal-pressure hydrocephalus study: randomized comparison of low- and medium-pressure shunts. J Neurosurg 88:490–495
Borgbjerg BM, Gjerris F, Albeck MJ et al (1995) Risk of infection after cerebrospinal fluid shunt: an analysis of 884 first-time shunts. Acta Neurochir (Wien) 136:1–7
Chapman PH, Borges LF (1985) Shunt infections: prevention and treatment. Clin Neurosurg 32:652–664
Cook SW, Bergsneider M (2002) Why valve opening pressure plays a relatively minor role in the postural ICP response to ventricular shunts in normal pressure hydrocephalus: modeling and implications. Acta Neurochir Suppl 81:15–17
Cordero TN, Roman Cutillas AM, Jorques Infante AM et al (2013) [Adult chronic idiopathic hydrocephalus-diagnosis, treatment and evolution. Prospective study]. Neurocirugia (Astur) 24:93–101
Czosnyka Z, Czosnyka M, Richards HK et al (2002) Laboratory testing of hydrocephalus shunts – conclusion of the U.K. Shunt evaluation programme. Acta Neurochir (Wien) 144:525–538
Czosnyka ZH, Czosnyka M, Pickard JD (2002) Shunt testing in-vivo: a method based on the data from the UK shunt evaluation laboratory. Acta Neurochir Suppl 81:27–30
da Silva MC, Drake JM (1990) Effect of subcutaneous implantation of anti-siphon devices on CSF shunt function. Pediatr Neurosurg 16:197–202
Drake JM, da Silva MC, Rutka JT (1993) Functional obstruction of an antisiphon device by raised tissue capsule pressure. Neurosurgery 32:137–139
Durward QJ, Amacher AL, Del Maestro RF et al (1983) Cerebral and cardiovascular responses to changes in head elevation in patients with intracranial hypertension. J Neurosurg 59:938–944
Eide PK, Sorteberg W (2010) Diagnostic intracranial pressure monitoring and surgical management in idiopathic normal pressure hydrocephalus: a 6-year review of 214 patients. Neurosurgery 66:80–91
Eymann R, Chehab S, Strowitzki M et al (2008) Clinical and economic consequences of antibiotic-impregnated cerebrospinal fluid shunt catheters. J Neurosurg Pediatr 1:444–450
Farber SH, Parker SL, Adogwa O et al (2011) Effect of antibiotic-impregnated shunts on infection rate in adult hydrocephalus: a single institution’s experience. Neurosurgery 69:625–629
Fisher CM (1982) Hydrocephalus as a cause of disturbance of gait in the elderly. Neurology 32:1358–1363
Hakim S, Adams RD (1965) The special clinical problem of symptomatic hydrocephalus with normal cerebrospinal fluid pressure. Observations on cerebrospinal fluid hydrodynamics. J Neurol Sci 2:307–327
Hebb AO, Cusimano MD (2001) Idiopathic normal pressure hydrocephalus: a systematic review of diagnosis and outcome. Neurosurgery 49:1166–1184
Ishii M, Kawamata T, Akiguchi I et al (2010) Parkinsonian symptomatology may correlate with CT findings before and after shunting in idiopathic normal pressure hydrocephalus. Parkinsons Dis. doi:10.4061/2010/201089
Koto A, Rosenberg G, Zingesser LH et al (1977) Syndrome of normal pressure hydrocephalus: possible relation to hypertensive and arteriosclerotic vasculopathy. J Neurol Neurosurg Psychiatry 40:73–79
Krauss JK, Regel JP, Droste DW et al (1997) Movement disorders in adult hydrocephalus. Mov Disord 12:53–60
Krauss JK, Regel JP, Vach W et al (1996) Vascular risk factors and arteriosclerotic disease in idiopathic normal-pressure hydrocephalus of the elderly. Stroke 27:24–29
Larsson A, Wikkelso C, Bilting M et al (1991) Clinical parameters in 74 consecutive patients shunt operated for normal pressure hydrocephalus. Acta Neurol Scand 84:475–482
Lemcke J, Meier U, Muller C et al (2013) Safety and efficacy of gravitational shunt valves in patients with idiopathic normal pressure hydrocephalus: a pragmatic, randomised, open label, multicentre trial (SVASONA). J Neurol Neurosurg Psychiatry 84:850–857
Loman J, Myerson A, Goldman D (1935) Effects of alterations in posture on the cerebrospinal fluid pressure. Arch Neurol Psychiat 33:1279–1295
Magnaes B (1976) Body position and cerebrospinal fluid pressure. Part 1: clinical studies on the effect of rapid postural changes. J Neurosurg 44:687–697
Magnaes B (1976) Body position and cerebrospinal fluid pressure. Part 2: Clinical studies on orthostatic pressure and the hydrostatic pressure indifferent point. J Neurosurg 44:698–705
Malm J, Graff-Radford NR, Ishikawa M et al (2013) 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 10:22. doi:10.1186/2045-8118-10-22
Mandir AS, Hilfiker J, Thomas G et al (2007) Extrapyramidal signs in normal pressure hydrocephalus: an objective assessment. Cerebrospinal Fluid Res 4:7. doi:10.1186/1743-8454-4-7
Marmarou A, Bergsneider M, Klinge P et al (2005) The value of supplemental prognostic tests for the preoperative assessment of idiopathic normal-pressure hydrocephalus. Neurosurgery 57:S17–S28
Marmarou A, Bergsneider M, Relkin N et al (2005) Development of guidelines for idiopathic normal-pressure hydrocephalus: introduction. Neurosurgery 57:S1–S3
Martinez-Lage JF, Perez-Espejo MA, Almagro MJ et al (2005) Syndromes of overdrainage of ventricular shunting in childhood hydrocephalus. Neurocirugia (Astur) 16:124–133
Martinez-Lage JF, Ruiz-Espejo AM, Almagro MJ et al (2009) CSF overdrainage in shunted intracranial arachnoid cysts: a series and review. Childs Nerv Syst 25:1061–1069
Mataro M, Poca MA, Salgado-Pineda P et al (2003) Postsurgical cerebral perfusion changes in idiopathic normal pressure hydrocephalus: a statistical parametric mapping study of SPECT images. J Nucl Med 44:1884–1889
McGirt MJ, Woodworth G, Coon AL et al (2005) Diagnosis, treatment, and analysis of long-term outcomes in idiopathic normal-pressure hydrocephalus. Neurosurgery 57:699–705
McQuarrie IG, Saint-Louis L, Scherer PB (1984) Treatment of normal pressure hydrocephalus with low versus medium pressure cerebrospinal fluid shunts. Neurosurgery 15:484–488
McQuarrie IG, Scherer PB (1982) Treatment of adult-onset obstructive hydrocephalus with low- or medium- pressure CSF shunts. Neurology 32:1057–1061
Mirzayan MJ, Koenig K, Bastuerk M et al (2006) Coma due to meteorism and increased intra-abdominal pressure subsequent to ventriculoperitoneal shunt dysfunction. Lancet 368:2032
Momjian S, Owler BK, Czosnyka Z et al (2004) Pattern of white matter regional cerebral blood flow and autoregulation in normal pressure hydrocephalus. Brain 127:965–972
Mori E, Ishikawa M, Kato T et al (2012) Guidelines for management of idiopathic normal pressure hydrocephalus: second edition. Neurol Med Chir (Tokyo) 52:775–809
Oikonomou J, Aschoff A, Hashemi B et al (1999) New valves: new dangers? 22 valves (38 probes) designed in the ‘nineties in ultralong-term tests (365 days)’. Eur J Pediatr Surg 9(Suppl 1):23–26
Ojemann RG, Fisher CM, Adams RD et al (1969) Further experience with the syndrome of “normal” pressure hydrocephalus. J Neurosurg 31:279–294
Pang DL, Altschuler E (1994) Low-pressure hydrocephalic state and viscoelastic alterations in the brain. Neurosurgery 35:643–655
Pattavilakom A, Xenos C, Bradfield O et al (2007) Reduction in shunt infection using antibiotic impregnated CSF shunt catheters: an Australian prospective study. J Clin Neurosci 14:526–531
Pickard JD, Teasdale G, Matheson M et al (1980) Intraventricular pressure waves. The best predictive test for shunting in normal pressure hydrocephalus. In: Shulman K, Marmarou A, Miller JD et al (eds) Intracranial pressure IV. Springer, Berlin, pp 498–500
Poca MA, Mataro M, Matarin M et al (2004) Is the placement of shunts in patients with idiopathic normal-pressure hydrocephalus worth the risk? Results of a study based on continuous monitoring of intracranial pressure. J Neurosurg 100:855–866
Poca MA, Mataro M, Matarin M et al (2005) Good outcome in patients with normal-pressure hydrocephalus and factors indicating poor prognosis. J Neurosurg 103:455–463
Poca MA, Sahuquillo J, Busto M et al (1996) Clinical management of patients with normal pressure hydrocephalus syndrome. Ann Psychiatry 6:273–292
Poca MA, Sahuquillo J, Topczewski T et al (2006) Posture-induced changes in intracranial pressure: a comparative study in patients with and without a cerebrospinal fluid block at the craniovertebral junction. Neurosurgery 58:899–906
Poca MA, Solana E, Martinez-Ricarte FR et al (2012) Idiopathic normal pressure hydrocephalus: results of a prospective cohort of 236 shunted patients. Acta Neurochir Suppl 114:247–253
Portnoy HD, Schulte RR, Fox JL et al (1973) Anti-siphon and reversible occlusion valves for shunting in hydrocephalus and preventing post-shunt subdural hematomas. J Neurosurg 38:729–738
Pujari S, Kharkar S, Metellus P et al (2008) Normal pressure hydrocephalus: long-term outcome after shunt surgery. J Neurol Neurosurg Psychiatry 79:1282–1286
Raftopoulos C, Massager N, Baleriaux D et al (1996) Prospective analysis by computed tomography and long-term outcome of 23 adult patients with chronic idiopathic hydrocephalus. Neurosurgery 38:51–59
Reilly P (2001) In normal pressure hydrocephalus, intracranial pressure monitoring is the only useful test. J Clin Neurosci 8:66–67
Relkin N, Marmarou A, Klinge P et al (2005) Diagnosing idiopathic normal-pressure hydrocephalus. Neurosurgery 57:S4–S16
Richards HK, Seeley HM, Pickard JD (2009) Efficacy of antibiotic-impregnated shunt catheters in reducing shunt infection: data from the United Kingdom Shunt Registry. J Neurosurg Pediatr 4:389–393
Rosenfeld JV, Siraruj S (2001) In normal pressure hydrocephalus, intracranial pressure monitoring is the only useful test. J Clin Neurosci 8:68–69
Sahuquillo J, Arikan F, Poca MA et al (2008) Intra-abdominal pressure: the neglected variable in selecting the ventriculoperitoneal shunt for treating hydrocephalus. Neurosurgery 62:143–149
Sahuquillo J, Poca MA, Martinez M et al (1994) Preventing shunt overdrainage in hydrocephalus: are anti-siphon devices really physiological? In: Nagai H, Kamiya K, Ishii S (eds) Intracranial pressure IX. Springer, Tokyo, pp 83–86
Sahuquillo J, Rubio E, Codina A et al (1991) Reappraisal of the intracranial pressure and cerebrospinal fluid dynamics in patients with the so-called “normal pressure hydrocephalus” syndrome. Acta Neurochir (Wien) 112:50–61
Sanchez NC, Tenofsky PL, Dort JM et al (2001) What is normal intra-abdominal pressure? Am Surg 67:243–248
Soelberg Sorensen P, Jansen EC, Gjerris F (1986) Motor disturbances in normal-pressure hydrocephalus. Special reference to stance and gait. Arch Neurol 43:34–38
Sugerman H, Windsor A, Bessos M et al (1997) Intra-abdominal pressure, sagittal abdominal diameter and obesity comorbidity. J Intern Med 241:71–79
Toole JF (1968) Effects of change of head, limb and body position on cephalic circulation. N Engl J Med 279:307–311
Vanneste J, Augustijn P, Dirven C et al (1992) Shunting normal-pressure hydrocephalus: do the benefits outweigh the risks? A multicenter study and literature review. Neurology 42:54–59
Zemack G, Romner B (2002) Adjustable valves in normal-pressure hydrocephalus: a retrospective study of 218 patients. Neurosurgery 51:1392–1400
Acknowledgments
We gratefully acknowledge Sabrina Voss for editorial assistance as well as the nurses of the Neurosurgery Department, especially María Jesus Peñarrubia and Maria Asunción Muns, for their collaboration in the studies performed. The authors of this chapter have no conflicts of interest with regard to the manufacturers or distributors of the devices mentioned in the text.
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Poca, M.A., Sahuquillo, J. (2015). Complications Related to the Type of Hydrocephalus: Normal Pressure Hydrocephalus. In: Di Rocco, C., Turgut, M., Jallo, G., Martínez-Lage, J. (eds) Complications of CSF Shunting in Hydrocephalus. Springer, Cham. https://doi.org/10.1007/978-3-319-09961-3_11
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