Dataset Information

Outcomes of endoscopic third ventriculostomy (ETV) and ventriculoperitoneal shunt (VPS) in the treatment of paediatric hydrocephalus: Systematic review and meta-analysis.

ABSTRACT:

Purpose

To evaluate the outcomes of endoscopic third ventriculostomy (ETV) and ventriculoperitoneal shunt (VPS) in the treatment of paediatric hydrocephalus.

Methods

We searched PubMed, MEDLINE, and Cochrane Central Register of Controlled Trials databases for articles published from 2000 to May 2023 (last search date May 6, 2023). Keywords searched included "endoscopic third ventriculostomy", "ventriculoperitoneal shunting", "paediatric population", and "outcomes". Using random-effects models, we compared success rates and complications of ETV and VPS. The primary outcome was ETV vs.VPS success rates, and the secondary outcome was post-treatment complications. Included studies reported on treatment success and complication rates.

Results

Out of 126 articles, 8 RCTs and 1 prospective study were included. Six studies reported primary outcome data (806 patients identified: 464 in ETV group, 342 in VPS group). Combined success rates were 81.8% (n = 283/346) for ETV and 86.7% (n = 182/210) for VPS (median follow-up 41 months). There was no difference in success rates between ETV and VPS groups (risk ratio 0.84, 95% confidence interval 0.80-0.90, I² = 0%, p = 0.93). Combined complication rates were 4.6% (n = 16/346) in the ETV group and 27.1% (n = 57/210) in the VPS group. ETV had a lower rate of postoperative complications (risk ratio 0.76, 95% confidence interval 0.42-1.38, I² = 53%, p = 0.04).

Conclusions

Both ETV and VPS are viable surgical options for the management of paediatric hydrocephalus with similar success rates when used as first-line treatment. However, our study concluded that VPS results in a higher complication rate.

Registration

This systematic review and meta-analysis was formally registered in the PROSPERO International database under the registration number CRD42023452907 on the 29^th of August 2023.

SUBMITTER: Minta KJ

PROVIDER: S-EPMC10972931 | biostudies-literature | 2024 Apr

REPOSITORIES: biostudies-literature

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Publications

Outcomes of endoscopic third ventriculostomy (ETV) and ventriculoperitoneal shunt (VPS) in the treatment of paediatric hydrocephalus: Systematic review and meta-analysis.

Minta Katarzyna Julia KJ Kannan Siddarth S Kaliaperumal Chandrasekaran C

Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery 20231127 4

<h4>Purpose</h4>To evaluate the outcomes of endoscopic third ventriculostomy (ETV) and ventriculoperitoneal shunt (VPS) in the treatment of paediatric hydrocephalus.<h4>Methods</h4>We searched PubMed, MEDLINE, and Cochrane Central Register of Controlled Trials databases for articles published from 2000 to May 2023 (last search date May 6, 2023). Keywords searched included "endoscopic third ventriculostomy", "ventriculoperitoneal shunting", "paediatric population", and "outcomes". Using random-ef ...[more]

PMID: 38010433

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Project description:Endoscopic third ventriculostomy (ETV) and ventriculoperitoneal shunt (VPS) are surgical methods for treating obstructive hydrocephalus. However, there is still disagreement regarding the most effective technique, in terms of both operative success and postoperative complications. Therefore, we performed a systematic review and meta-analysis to compare the efficacy and safety of these two methods in patients with obstructive hydrocephalus. We performed a systematic search of the PubMed, Scopus, and Cochrane Library databases. Randomized clinical trials (RCTs) comparing ETV and VPS in pediatric or adult patients with obstructive hydrocephalus were included. The outcomes included were operative success, postoperative cerebrospinal fluid leak, postoperative infection, postoperative or intraoperative bleeding, blockage rate, and mortality. The risk ratio (RR) was calculated with a 95% confidence interval (CI). Heterogeneity was evaluated with I 2 statistics. We used a fixed-effects model for outcomes with I 2 < 25% and DerSimonian and Laird random-effects model for other conditions. The Cochrane collaboration tool for assessing the risk of bias in randomized trials was used for risk-of-bias assessment. R, version 4.2.1, was used for statistical analyses. Of the 2,353 identified studies, 5 RCTs were included, involving 310 patients with obstructive hydrocephalus, of which 163 underwent ETV. There was a significant difference in favor of ETV for postoperative infection (risk ratio [RR]: 0.11; 95% confidence interval [CI]: 0.04-0.33; p < 0.0001; I 2 = 0%) and blockage rate (RR: 0.15; 95% CI: 0.03-0.75; p = 0.02; I 2 = 53%). Meanwhile, there was no significant difference between groups for the postoperative or intraoperative bleeding (RR: 0.44; 95% CI: 0.17-1.15; p = 0.09; I 2 = 0%), postoperative cerebrospinal fluid leak (RR: 0.65; 95% CI: 0.22-1.92; p = 0.44; I 2 = 18%), operative success (RR: 1.18; 95% CI: 0.77-1.82; p = 0.44; I 2 = 84%), and mortality (RR: 0.19; 95% CI: 0.03-1.09; p = 0.06; I 2 = 0%). Three RCTs had some concerns about the risk of bias and one RCT had a high risk of bias due to the process of randomization and selection of reported results. Thus, this meta-analysis of RCTs evaluating ETV compared with VPS demonstrated that although there is no superiority of ETV in terms of operative success, the incidence of complications was significantly higher in patients who underwent VPS. Our results suggest that the use of ETV provides greater benefits for the treatment of obstructive hydrocephalus. However, more RCTs are needed to corroborate the superiority of ETV.

Project description:ObjectiveEndoscopic third ventriculocisternostomy (ETV) became the relevant treatment option for non-communicating pediatric hydrocephalus. ETV success was predicted in relation to age, diagnosis, and previous shunt implantation. Radiological factors are usually taken for indication decision-making. The aim of this study is to investigate radiological signs of non-communicating hydrocephalus for ETV success in a single-center retrospective analysis.Patients and methodsETV interventions were collected from a 10-year period (2010-2019) from our institution. Clinical patient characteristics such as prematurity, age, diagnosis, and previous shunt treatment and follow-up in terms of possible shunt implantation or revision surgeries were investigated. Radiological data was retrieved from the in-house PACS system to analyze preoperative signs for non-communicating hydrocephalus such as ventricular size, pressure gradients at the third ventricle, and any signs of obstruction from internal towards external cerebral spinal fluid communication. Fisher's test was used to demonstrate the significance of each individual predictor. A multivariable model was built using the backward elimination method with multiple logistic regression.ResultsFrom 136 ETV interventions, 95 met the inclusion criteria (age < 18 years; > 6-month follow-up; MR image data availability, treatment goal for shunt independence). In chi-square statistical evaluation of single parameters age > 6 months (OR 32.5; 95% CI 4.8-364), ventricular width (FOHR < 0.56; OR 6.1; 95% CI 2.2-16.3) and non-post-hemorrhagic hydrocephalus as underlying diagnosis (OR 13.1; 95% CI 1.9-163) showed significant increased odds ratio for shunt independence during follow-up. Logistic regression analysis for multiple parameters showed age > 6 months (OR 29.3; 95% CI 4.1-606) together with outward bulged lamina terminalis (OR 4.6; 95% CI 1.2-19.6), smaller FOHR (continuous parameter; OR 2.83 × 10-5; 95% CI 4.7 × 10-9-0.045), and non-4th-ventricular-outlet obstruction (4thVOO; OR 0.31; 95% CI 0.09-1.02) as significant factors for ETV success.ConclusionETV has become a relevant treatment for non-communicating hydrocephalus, with typical MR image characteristics. Analyzing radiological markers as predictors for success smaller ventricular width and outward displaced lamina terminalis was relevant in combination with age > 6 months. Since the analysis is based on single-center experience, a larger cohort of patients with a multi-center approach should further investigate the combined clinical and radiological criteria.

Project description:BackgroundAlthough controversial, endoscopic third ventriculostomy (ETV) in the management of Myelomeningocele and Chiari type II malformation-related hydrocephalous is gaining wider popularity and use. With variable success rates, it can be proposed as a first or second option after shunt malfunction. ETV in post-infectious hydrocephalus may also be considered as an alternative to shunting. With reported success rates of 50-60%, failure is attributed to anatomical reasons and/or to pathological subarachnoid space scarring that may result from infectious processes. Similarly, ETV in repeated shunt malfunctions is an acceptable option that may offer shunt independency. In all situations, case-by-case selection and discussion are to be considered.Case descriptionA 5-year-old boy with a history of surgically treated lumbosacral myelomeningocele and ventriculoperitoneal shunting at six months of age is presented. During the course following the initial surgery, he experienced multiple shunt malfunctions, with two episodes of meningitis, leading to 7 shunt revision surgeries. Lately, the patient presented a large peritoneal cyst formation that needed regular evacuations. With a magnetic resonance imaging (MRI)-scan showing a large bi-ventricular hydrocephalus and a trapped third ventricle with multiple septations, surgical options included either ventriculoatrial shunting or third ventriculostomy. The latter option, offering shunt independency, was chosen after family consent and risk explanation. The expected success rate of the procedure was discussed and evaluated to 40-60% on the ETV success score. The video describes a step-by-step procedure with detailed radiological and correlated anatomical annotations of a completely distorted anatomy of a multifactorial hydrocephalous. No scarring at the prepontine cistern was observed. Shunt independency was achieved. However, the patient died from late postoperative status epilepticus and pulmonary complications. Whether these postoperative events are directly related to the procedure is unclear, although technically and clinically successful in the short term.ConclusionWe believe that ETV should be carefully indicated in selected patients with Chiari II, post-infectious hydrocephalus, by experienced hands, as the surgical anatomy can be extremely complex and misleading.

Dataset Information

Outcomes of endoscopic third ventriculostomy (ETV) and ventriculoperitoneal shunt (VPS) in the treatment of paediatric hydrocephalus: Systematic review and meta-analysis.

Purpose

Methods

Results

Conclusions

Registration

Publications

Outcomes of endoscopic third ventriculostomy (ETV) and ventriculoperitoneal shunt (VPS) in the treatment of paediatric hydrocephalus: Systematic review and meta-analysis.

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