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Indexed/Abstracted in: CAB, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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González-García L., Ros-López B., Ibáñez-Botella G., Romero-Moreno L., Martín-Gallego A., Arráez-Sánchez M. A.
Department of Neurosurgery, HRU Carlos Haya, Málaga, Spain
AIM: Arachnoid cysts are extra-axial cerebrospinal fluid (CSF) collections surrounded by a membrane. Occasionally, hydrocephalus is associated due to a change in CSF circulatory dynamics. Neuroendoscopic treatment has been recommended for patients who develop symptoms resulting from the cyst location.
METHODS: We retrospectively evaluate the results in our series of 9 patients with hydrocephalus associated to midline arachnoid cysts treated endoscopically. Success was rated on a scale of five degrees of neuroendoscopical success.
RESULTS: We performed endoscopic third ventriculostomy (ETV) in three cases; ETV was associated to ventriculocystostomy (VC) in three cases; ETV, VC and septostomy (SPT) were performed in one patient; neuroendoscopic Monro foraminoplasty (NEFPMO) plus SPT were associated in one case; last patient was performed ETV, VC and cystocysternostomy (CC). For first procedures, 6 patients completed permanent Success (Grade I). In one case success was transitory (Grade II) and required a second procedure (ETV). In one patient VC success and ETV failure implied partial success (Grade III). One patient´s early failure (Grade V) required a second procedure (ETV + NEFPMO). Success in second procedures was Grade I in both patients. Follow up period was over 12 months and altogether success was Grade I in 8/9 patients and Grade III in 1/9 patients. Shunt independency went over 88%.
CONCLUSION: Endoscopy allows a solution avoiding the implantation of cerebrospinal fluid shunt devices. When possible, we likely approach both, hydrocephalus and arachnoid cyst, with different endoscopic maneuvers in a single procedure. It is important to expand the usage of success classifications for combined procedures.