Report the recurrence rate of negative pressure subdural drainage (NPSD) versus to other kind of drains (OD). Design and Methods: A study was conducted cross-sectional and we retrospectively analyzed on the database of the neurosurgical service and we looked for all surgical procedures recorded from January 2006 to December 2015. Procedures with preoperative diagnosis of subdural hematoma (SDH) were selected, with a to- tal of 364 interventions, were excluded patients with postoperative diagnosis different from SDH and eliminated those who did not have complete data, recurrence was identified, a statistical analysis was performed describing frequency measurements percentage and standard deviation, RM and chi- square was obtained by software EPIDAT 3.1. 277 surgeries were performed in 230 patients, The population was divided into two groups: the first those interventions with negative pressure subdural drainage versus a second group with other different drains, and finally we compared the recurrence rate in each group, 44 surgeries had recurrence of SDH. The proportion of recurrence was found 16 % of the surgeries, 16 % (n=7) of these were performed with negative pressure subdural drainage and the remaining 84 % (n=37) by other drainage. The reason for prevalence found was 0.36 (95 % CI , 0.15 to 0.85), with statistically significant differences (p = 0.0165). The chi-square was 5.75 for the SDH with NPSD. It was found that patients treated with NPSD have a lower risk of recurrence compared with OD, which acts as a protective factor for patients treated with this type of drain, this is statistically significant.
Neurocysticercosis (NCC) is the most common parasitic disease of the brain, has a wide variety of patterns of presentation and can mimic many diseases. We report a patient with inflammatory aneurysm, and found only 5 cases reported in the literature, and only one has histopathological report. This is a case report of a patient with diabetes and arterial hypertension condition which started with sim- plesecondarygeneralizedpartialseizures. Thestudy reported the patient was diagnosed with neurocysticercosis racemosa, resection of lesions was performed with secondary inflammatory rupture intraoperative aneurysm clipping successful NCC, inflammatory changes in the literature described in the aneurysm wall and the dependent artery, secondary to immune process with vasculitis associated with a chronic inflammatory process, these changes in the aneurysm wall increase the possibility of intraoperative rupture. Histopathological report was conclusive with neurocysticercosis.
The objective of the study was to describe our surgical and technical experience by reporting a series of 51 aneurysms treated by a pterional craniotomy as a unique approach for aneurismatic lesions of the cerebral arterial circle (Willis polygon). Retrospective study that reports a series of 37 patients (25 females and 12 males) with diagnosis of aneurismatic lesions from different localization in the Willis polygon from January 2012 to March 2015. Fifty one (51) aneurismatic lesions were treated by a unique pterional craniotomy, including 8 cases of multiple aneurismatic disease and 9 giant aneurysms. Every lesion was clipped by the same pterional modified approach. Every step of this procedure was described and illustrated sequentally. This analysis establishes that the modified frontotemporoesfenoidal (pterional) craniotomy allows surgical access to the clipping of these vascular lesions, from the circle of Willis which correlates with previous evidence. The detailed description of the surgical technique promotes a proper understanding of surgical anatomy and allows playback of this technique.
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