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Background Hydrocephalus is one of the major complications of aneurysmal subarachnoid haemorrhage (aSAH). In the acute setting, an external ventricular drain (EVD) is used for early management. A cisternal drain (CD) coupled with the micro-surgical opening of basal cisterns can be an alternative when the aneurysm is clipped. Chronic hydrocephalus after aSAH is managed with ventriculo-peritoneal (VP) shunt, a procedure associated with a wide range of complications. The aim of this study is to analyse the impact of micro-surgical opening of basal cisterns coupled with CD on the incidence of VP shunt, compared to patients treated with EVD. Methods The authors conducted a retrospective review of 89 consecutive cases of patients with aSAH treated surgically and endovascularly with either EVD or CD between January 2009 and September 2021. Patients were stratified into two groups: Group 1 included patients with EVD, Group 2 included patients with CD. Subgroup analysis with only patients treated surgically was also performed. We compared their baseline characteristics, clinical outcomes and shunting rates. Results There were no statistically significant differences between the two groups in terms of epidemiological characteristics, WFNS score, Fisher scale, presence of intraventricular hemorrhage (IVH), acute hydrocephalus, postoperative meningitis or of clinical outcomes at last follow-up. Cisternostomy with CD (Group 2) was associated with a statistically significant reduction in VP-shunt compared with the use of an EVD (Group 1) (9.09% vs 53.78%; p p = 0.02). Conclusions Cisternostomy with CD may reduce the rate of shunt-dependent hydrocephalus. Cisternostomy allows the removal of subarachnoid blood, thereby reducing arachnoid inflammation and fibrosis. CD may enhance this effect, thus resulting in lower rates of chronic hydrocephalus.

Objective Aesthetic assessment after surgery for non-syndromic single suture craniosynostosis (SSC) is crucial. Surgeons’ evaluation is generally based on Whitaker classification, while parental impression is generally neglected. The aim of this paper is to compare aesthetic perceptions of parents and surgeons after surgery for SSC, expressed by a 10-item questionnaire that complement Whitaker’s classification. Methods The authors submitted a 10-item questionnaire integrating Whitaker’s classification in order to evaluate the degree of satisfaction, the detailed aesthetics results and the need for surgical revision, to surgeons and parents of a consecutive series of patients operated for SSC between January 2007 and December 2018. The results were collected blindly. Results A total of 70 patients were included in the study. Scaphocephaly and trigonocephaly were the two most frequent craniosynostosis. Parents and surgeons general aesthetics evaluation and average rating for Whitaker’s classification were 1.86 vs 1.67 (p = 0.69) and 1.19 vs 1.1 (p = 0.45) respectively. Parents’ evaluation for scar perception and alopecia (p p p = 0.02) are significantly worse when compared to surgeons’ perception. Conclusions Parents seem to be more sensitive to the detection of some aesthetic anomalies and their opinion should not be neglected. The authors propose a modified Whitaker classification based on their results to better stratify the aesthetic outcome after surgery for SSC.

Intramedullary spinal tumors are uncommon intra-axial lesions, which can be either primary or metastatic. Primary tumors arise from cell of spinal cord and account for 2–4% of all intrinsic tumors of the central nervous system, being much less common of brain tumors. They are slow-growing tumors, so symptoms precede diagnosis by an average of 2 years. Metastatic lesions usually originate from lung and breast tumors and are usually diagnosed within 1 month from symptom onset. Pain and weakness are the most common presenting symptoms. Magnetic resonance imaging represents the gold standard technique to study the spinal cord tumors, and first-line treatment is surgical resection, but it is not always curative. In selected situations, watchful waiting can be considered. Chemotherapy and radiation are considered, but controversy exists. Novel treatment options must be developed to supplement partial resection and recurrence.

Cerebrospinal fluid tap test is a common procedure to predict the efficacy of ventriculoperitoneal shunt for idiopathic normal pressure hydrocephalus. Objective tests after cerebrospinal fluid tap test are used to establish the surgical indication, but subjective improvements may also be important in selection of surgical candidates. The aim of this study was to evaluate surgical outcomes of patients with ventriculoperitoneal shunt for idiopathic normal pressure hydrocephalus, comparing patients showing objective improvement with patients improving only on subjective assessments. In this retrospective analysis, patients were divided into 2 groups: group 1 included patients with improvement on objective evaluation after cerebrospinal fluid tap test; group 2 included patients who showed only subjective improvement. The surgical outcomes of the 2 groups were compared. Of 28 included patients, 17 were objective responders (group 1), and 11 were subjective responders (group 2). Clinical and radiological characteristics were similar. The only significant difference was the baseline Berg Balance Scale, which was lower in objective responders (P = 0.0015). At 3 months after surgery and at last follow-up, there was no difference in surgical outcomes between the 2 groups. However, in the group of subjective responders, a continuous improvement for incontinence and gait was more frequently observed (P = 0.04 and P < 0.001, respectively). Surgical outcomes after ventriculoperitoneal shunt were similar between the 2 groups, with a more favorable trend in terms of symptom improvement for subjective responders. Subjective assessment seems to be an important factor to consider in preoperative evaluation.

Background: Atlantoaxial dislocation is a rare injury following high-energy trauma. We report an undescribed complication of atlantoaxial dislocation. Case Description: A 75-year-old man presented with atlantoaxial dislocation and Jefferson C1 fracture after a high-energy trauma. Occipitoaxial stabilizations were performed the day after. A nasopharyngeal fistula was identified at day 5 causing a persistent epistaxis. Conclusion: Nasopharyngeal fistulization of C1 bony fragment is a rare complication of complex occipitocervical injury. Combined treatment with ENT surgeon should be considered.

Background and aim Spontaneous partial or complete thrombosis of saccular unruptured intracranial aneurysm (UIAs) is a known occurrence in giant aneurysms. However, spontaneous complete thrombosis of non-giant aneurysms is a rare event in the natural history of UIAs. The aim of this paper is to report on the cases from literature of complete spontaneous thrombosis with a view to identify possible factors associated with this phenomenon. Material and methods We performed a systematic review of the current literature on spontaneous complete thrombosis of saccular, non-giant, unruptured UIAs, including a case that we treated at our institution. We analysed the possible risk factors for thrombosis, association with ischemic events, rupture and recanalization. We reviewed the possible management’s strategies for this group of patients described in literature to date. Results We identified 26 patients for a total of 27 thrombosed aneurysms from the literature review (including our case). Thrombosis was prevalent in women, in the anterior circulation and in larger aneurysms. Endovascular events in the parent artery, either spontaneous or iatrogenic, were associated with spontaneous thrombosis in 4 cases. In 47 % of cases an antiplatelet treatment (AP) was introduced. Rupture and recanalization of the aneurysm were observed in 14 % and 33 % respectively. A larger size was the only factor statistically associated with rupture (P = 0041). AP was not statistically associated with recanalization or rupture of the aneurysm. Conclusion Complete spontaneous thrombosis is not a curative event. Its natural history is associated with recanalization, rupture and ischemic stroke. Conservative treatment with a clinical-radiological follow up and treatment with AP is a safe option for small aneurysms. Definitive aneurysmal exclusion should be considered in medium and large aneurysms due to the significant risks associated with untreated aneurysms.

Hydrocephalus (HC) can be associated with vestibular schwannoma (VS) at presentation. Although spontaneous resolution of HC after VS removal is reported, first-line treatment is varied including preoperative ventriculoperitoneal (VP) shunt, external ventricular drainage (EVD), or lumbar drainage (LD). We performed a systematic review to clarify optimal management of HC associated with VS at presentation, as well as characteristics of patients with initial and persistent HC after VS removal, and prevalence of HC associated with VS. Fourteen studies were included. Patients were grouped according to the timing of HC treatment. The overall rate of VP shunts was 19.4%. Among patients who received VS removal as first-line treatment, 6.9% underwent permanent shunts. In a subgroup of 132 patients (studies with no-aggregate data), t test analysis for mean tumor size (P = 0.02) and mean CSF protein level (P