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  • Author or Editor: Yosef Ellenbogen x
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Yosef Ellenbogen, Karanbir Brar, Kaiyun Yang, Yung Lee and Olufemi Ajani

OBJECTIVE

Pediatric hydrocephalus is a significant contributor to infant morbidity and mortality, particularly in developing countries. The mainstay of treatment has long been shunt placement for CSF diversion, but recent years have seen the rise of alternative procedures such as endoscopic third ventriculostomy (ETV), which provides similar efficacy in selected patients. The addition of choroid plexus cauterization (CPC) to ETV has been proposed to increase efficacy, but the evidence of its utility is limited. This systematic review and meta-analysis aimed to determine the efficacy and safety of ETV+CPC in comparison to ETV alone for the treatment of pediatric all-cause hydrocephalus.

METHODS

MEDLINE, Embase, Cochrane CENTRAL, ClinicalTrials.gov, and ICRCTN databases were searched from conception through to October 2018 for comparative studies including both ETV+CPC and ETV in a pediatric population. The primary outcome was success rate, defined as no secondary procedure required for CSF diversion; secondary outcomes included time to failure, mortality, and complications. Data were pooled using random-effects models of meta-analysis, and relative risk (RR) was calculated.

RESULTS

Five studies were included for final qualitative and quantitative analysis, including 2 prospective and 3 retrospective studies representing a total of 963 patients. Overall, there was no significant difference in success rates between ETV and ETV+CPC (RR 1.24, 95% CI 0.88–1.75, p = 0.21). However, a subgroup analysis including the 4 studies focusing on African cohorts demonstrated a significant benefit of ETV+CPC (RR 1.38, 95% CI 1.08–1.78, p = 0.01). There were no notable differences in complication rates among studies.

CONCLUSIONS

This systematic review and meta-analysis failed to find an overall benefit to the addition of CPC to ETV; however, a subgroup analysis showed efficacy in sub-Saharan African populations. This points to the need for future randomized clinical trials investigating the efficacy of ETV+CPC versus ETV in varied patient populations and geographic locales.

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Jetan H. Badhiwala, Sean N. Leung, Yosef Ellenbogen, Muhammad A. Akbar, Allan R. Martin, Fan Jiang, Jamie R. F. Wilson, Farshad Nassiri, Christopher D. Witiw, Jefferson R. Wilson and Michael G. Fehlings

OBJECTIVE

Degenerative cervical myelopathy (DCM) is the most common cause of spinal cord dysfunction in adults. Multilevel ventral compressive pathology is routinely managed through anterior decompression and reconstruction, but there remains uncertainty regarding the relative safety and efficacy of multiple discectomies, multiple corpectomies, or hybrid corpectomy-discectomy. To that end, using a large national administrative healthcare data set, the authors sought to compare the perioperative outcomes of anterior cervical discectomy and fusion (ACDF), anterior cervical corpectomy and fusion (ACCF), and hybrid corpectomy-discectomy for multilevel DCM.

METHODS

Patients with a primary diagnosis of DCM who underwent an elective anterior cervical decompression and reconstruction operation over 3 cervical spinal segments were identified from the 2012–2017 National Surgical Quality Improvement Program database. Patients were separated into those undergoing 3-level discectomy, 2-level corpectomy, or a hybrid procedure (single-level corpectomy plus additional single-level discectomy). Outcomes included 30-day mortality, major complication, reoperation, and readmission, as well as operative duration, length of stay (LOS), and routine discharge home. Outcomes were compared between treatment groups by multivariable regression, adjusting for age and comorbidities (modified Frailty Index). Effect sizes were reported by adjusted odds ratio (aOR) or mean difference (aMD) and associated 95% confidence interval.

RESULTS

The study cohort consisted of 1298 patients; of these, 713 underwent 3-level ACDF, 314 2-level ACCF, and 271 hybrid corpectomy-discectomy. There was no difference in 30-day mortality, reoperation, or readmission among the 3 procedures. However, on both univariate and adjusted analyses, compared to 3-level ACDF, 2-level ACCF was associated with significantly greater risk of major complication (aOR 2.82, p = 0.005), longer hospital LOS (aMD 0.8 days, p = 0.002), and less frequent discharge home (aOR 0.59, p = 0.046). In contrast, hybrid corpectomy-discectomy had comparable outcomes to 3-level ACDF but was associated with significantly shorter operative duration (aMD −16.9 minutes, p = 0.002).

CONCLUSIONS

The authors found multiple discectomies and hybrid corpectomy-discectomy to have a comparable safety profile in treating multilevel DCM. In contrast, multiple corpectomies were associated with a higher complication rate, longer hospital LOS, and lower likelihood of being discharged directly home from the hospital, and may therefore be a higher-risk operation.