An investigation of structural degradation of cerebrospinal fluid shunt valves performed using scanning electron microscopy and energy-dispersive x-ray microanalysis

Journal of Neurosurgery

Volumn 100, Issue 3, 2004, Pages 534-540

  Sgouros, Spyros ^a   Dipple, Susan J ^b  

^a BIRMINGHAM CHILDREN S HOSPITAL   (United Kingdom)

^b NONE

Author keywords

Cerebrospinal fluid shunt; Hydrocephalus; Scanning electron microscopy; Valve

Indexed keywords

CALCIUM; CARBON; SODIUM CHLORIDE;

ARTICLE; CATHETER; CEREBROSPINAL FLUID FLOW; CEREBROSPINAL FLUID SHUNTING; CHEMICAL COMPOSITION; CONTROLLED STUDY; CRYSTALLIZATION; DEGRADATION; DEVICE; EXPLANT; FILM; HUMAN; HYDROCEPHALUS; IMPLANTATION; MATERIAL COATING; MATERIAL STATE; OBSTRUCTION; PRIORITY JOURNAL; SCANNING ELECTRON MICROSCOPY; SHUNT INFECTION; SURFACE PROPERTY; VALVE; X RAY MICROANALYSIS;

EID: 1442282484     PISSN: 00223085     EISSN: None     Source Type: Journal    
DOI: 10.3171/jns.2004.100.3.0534     Document Type: Article

References (19)

1. Aschoff A, Kremer P, Benesch C, et al: Overdrainage and shunt technology. A critical comparison of programmable, hydrostatic and variable-resistance valves and flow-reducing devices. Childs Nerv Syst 11:193-202, 1995
2. Bayston R, Compton C, Richards K: Production of extracellular slime by coryneforms colonizing hydrocephalic shunts. J Clin Microbiol 32:1705-1709, 1994
3. Boch AL, Hermelin E, Sainte-Rose C, et al: Mechanical dysfunction of ventriculoperitoneal shunts caused to calcification of the silicone rubber catheter. J Neurosurg 88:975-982, 1998
4. Brydon HL, Bayston R, Hayward R, et al: Removed shunt valves: reasons for failure and implications for valve design. Br J Neurosurg 10:245-251, 1996
5. Brydon HL, Keir G, Thompson EJ, et al: Protein absorption to hydrocephalus shunt catheters: CSF protein absorption. J Neurol Neurosurg Psychiatry 64:643-647, 1998
6. Collins P, Hockley AD, Woollam DHM: Surface ultra structure of tissues occluding ventricular catheters. J Neurosurg 48:609-613, 1978
7. Cuka GM, Hellbusch LC: Fractures of the peritoneal catheter of cerebrospinal fluid shunts. Pediatr Neurosurg 22:101-103, 1995
8. Di Rocco C, Marchese E, Velardi F: A survey of the first complication of newly implanted CSF shunt devices for the treatment of nontumoral hydrocephalus. Cooperative survey of the 1991-1992 Education Committee of the ISPN. Childs Nerv Syst 10: 321-327, 1994
9. Drake JM, Kestle JR, Milner R, et al: Randomized trial of cerebrospinal fluid shunt valve design in pediatric hydrocephalus. Neurosurgery 43:294-305, 1998
10. Echizenya K, Satoh M, Murai H, et al: Mineralization and biodegradation of CSF shunting systems. J Neurosurg 67:584-591, 1987
11. Gower DJ, Lewis JC, Kelly DL Jr: Sterile shunt malfunction. A scanning electron microscopic perspective. J Neurosurg 61: 1079-1084, 1984
12. Griebel RW, Hoffman HJ, Becker L: Calcium deposits on CSF shunts. Clinical observations and ultrastructural analysis. Childs Nerv Syst 3:180-182, 1987
13. Guevara JA, Denoya CD, La Torre J, et al: Microscopic studies in shunts for hydrocephalus. Childs Brain 8:284-293, 1981
14. Guevara JA, Zuccaro G, Trevisan A, et al: Bacterial adhesion to cerebrospinal fluid shunts. J Neurosurg 67:438-445, 1987
15. Kockro RA, Hampl JA, Jansen B, et al: Use of scanning electron microscopy to investigate the prophylactic efficacy of rifampin-impregnated CSF shunt catheters. J Med Microbiol 49:441-450, 2000
16. Lundberg F, Li DQ, Falkenback D, et al: Presence of vitronectin and activated complement factor C9 on ventriculoperitoneal shunts and temporary ventricular drainage catheters. J Neurosurg 90:101-108, 1999
17. Oikonomou J, Aschoff A, Hashemi B, et al: New valves - new dangers? 22 valves (38 probes) designed in the 'nineties in ultra-long-term tests (365 days)'. Eur J Pediatr Surg 9 (Suppl 1): 23-26, 1999
18. Sainte-Rose C, Piatt JH Jr, Renier D, et al: Mechanical complications in shunts. Pediatr Neurosurg 17:2-9, 1991
19. Sgouros S, Malluci C, Walsh AR, et al: Long-term complications of hydrocephalus. Pediatr Neurosurg 23:127-132, 1995