References
- Mohammed W, Wiig U, Caird J. Spontaneous knot; a rare cause of ventriculoperitoneal shunt blockage. Br J Neurosurg 2011;25(1):113–4.
- Toshifumi K, Nobuhiru S, Tatsuro I, et al. Intesitinal obstruction caused by ventriculoperitoneal shunt knot. J Iwate Med Assoc 2001; 53(1): 43–6, ISSN:0021-3284.
- Eftekhar B, Hunn A. Ventriculoperitoneal shunt blockage due to spontaneous knot formation in the peritoneal catheter. J Neurosurg Pediatr 2008;1(2):142–3.
- Chopra I, Gnanalingham K, Pal D, Peterson D. A knot in the catheter – an unusual cause of ventriculo- peritoneal shunt blockage. Acta Neurochir (Wien) 2004;146:1055–6.
- Woerdeman PA, Hanlo PW. Ventriculoperitoneal shunt occlusion due to spontaneous intraabdominal knot formation in the catheter. Case report. J Neurosurg 2006;105(3 Suppl):231–2.