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  • Author or Editor: Oluwatoyin Akinnusotux
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Neurosurgical management of cervicomedullary compression, spinal stenosis, and hydrocephalus in pediatric achondroplasia: a systematic review

Oluwatoyin Akinnusotu, Albert M. Isaacs, Michelle Stone, and Christopher M. Bonfield

OBJECTIVE

Pediatric achondroplasia is often associated with conditions requiring neurosurgical intervention, including CSF diversion and multilevel spinal decompression. However, there is a lack of clinical guidelines and reliable estimates of the benefits and risks of these interventions. This study aimed to summarize the literature on the neurosurgical management of pediatric achondroplasia patients in order to aid in determining optimal treatment and standardization of care.

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A systematic review of peer-reviewed studies with an objective diagnosis of achondroplasia, patient demographic information, and available data on neurosurgical interventions performed before 18 years of age for cervicomedullary compression, spinal stenosis, and hydrocephalus was performed. Study quality and risks of bias were assessed using standardized scores. Independent patient data on surgical indications, outcomes, reoperations, and complication risks were aggregated using means and percentages.

RESULTS

Of 204 records, 25 studies with 287 pediatric achondroplasia patients (mean age 25 ± 36 months) treated for cervicomedullary compression (n = 153), spinal stenosis (n = 100), and obstructive hydrocephalus (n = 34) were evaluated. Symptomatic cervicomedullary compression occurred early in life (mean age 31 ± 25 months), with apnea (48%), T2-weighted MRI cord signal (28%), myelopathy (27%), and delayed motor skills (15%) requiring foramen magnum decompression observed in 99% of patients, as well as cervical laminectomy in 65% of patients. Although 91% of treated patients had resolution of symptoms, 2% mortality, 9% reoperation, and 21% complication rates were reported. Spinal stenosis was treated in relatively older children (mean age 13 ± 3 years) with laminectomy (23%), as well as with instrumented fusion (73%) for neurogenic claudication (59%), back pain (15%), and sciatica (8%). Although 95% of patients had symptom resolution after surgery, 17% reported complications and 18% required reoperation. Of the hydrocephalus patients (mean age 56 ± 103 months), half were treated with endoscopic third ventriculostomy (ETV) and half had a shunt placed for progressive ventriculomegaly (66%), headaches (32%), and delayed cognitive development (4%). The shunted patients had a 3% mortality rate and an average of 1.5 shunt revisions per patient. None of the patients who underwent ETV as the primary procedure required a revision.

CONCLUSIONS

Neurosurgical intervention for pediatric achondroplasia conditions, including cervicomedullary compression, spinal stenosis, and hydrocephalus, is associated with high recovery rates and good outcomes. However, complications and reoperations are common. Further studies with follow-up into adulthood are needed to evaluate the long-term outcomes.

In开云手机版app下载安装最新版神经外科杂志:儿科开云体育app官方网站下载入口Publish Before Print

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Sport participation and related head injuries following craniosynostosis correction: a survey study

Aaron M. Yengo-Kahn, Oluwatoyin Akinnusotu, Alyssa L. Wiseman, Muhammad Owais Abdul Ghani, Chevis N. Shannon, Michael S. Golinko, and Christopher M. Bonfield

OBJECTIVE

Craniosynostosis (CS) affects about 1 in 2500 infants and is predominantly treated by surgical intervention in infancy. Later in childhood, many of these children wish to participate in sports. However, the safety of participation is largely anecdotal and based on surgeon experience. The objective of this survey study was to describe sport participation and sport-related head injury in CS patients.

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A 16-question survey related to child/parent demographics, CS surgery history, sport history, and sport-induced head injury history was made available to patients/parents in the United States through a series of synostosis organization listservs, as well as synostosis-focused Facebook groups, between October 2019 and June 2020. Sports were categorized based on the American Academy of Pediatrics groupings. Pearson’s chi-square test, Fisher’s exact test, and the independent-samples t-test were used in the analysis.

RESULTS

Overall, 187 CS patients were described as 63% male, 89% White, and 88% non-Hispanic, and 89% underwent surgery at 1 year or younger. The majority (74%) had participated in sports starting at an average age of 5 years (SD 2.2). Of those participating in sports, contact/collision sport participation was most common (77%), and 71% participated in multiple sports. Those that played sports were less frequently Hispanic (2.2% vs 22.9%, p < 0.001) and more frequently had undergone a second surgery (44% vs 25%, p = 0.021). Only 9 of 139 (6.5%) sport-participating CS patients suffered head injuries; 6 (67%) were concussions and the remaining 3 were nondescript but did not mention any surgical needs.

CONCLUSIONS

在手术后的CS patie的全国性调查nts and parents, sport participation was exceedingly common, with contact sports being the most common sport category. Few head injuries (mostly concussions) were reported as related to sport participation. Although this is a selective sample of CS patients, the initial data suggest that sport participation, even in contact sports, and typically beginning a few years after CS correction, is safe and commonplace.

InNeurosurgical Focus Volume 50 (2021): Issue 4 (Apr 2021): Controversies in the Management of Single-Suture Craniosynostosis

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Assessing the differences in operative and patient-reported outcomes between lateral approaches for lumbar fusion: a systematic review and indirect meta-analysis

Atiq ur Rehman Bhatti, Joseph Cesare, Waseem Wahood, Mohammed Ali Alvi, Chiduziem E. Onyedimma, Abdul Karim Ghaith, Oluwatoyin Akinnusotu, Sally El Sammak, Brett A. Freedman, Arjun S. Sebastian, and Mohamad Bydon

OBJECTIVE

Anterior-to-psoas lumbar interbody fusion (ATP-LIF), more commonly referred to as oblique lateral interbody fusion, and lateral transpsoas lumbar interbody fusion (LTP-LIF), also known as extreme lateral interbody fusion, are the two commonly used lateral approaches for performing a lumbar fusion procedure. These approaches help overcome some of the technical challenges associated with traditional approaches for lumbar fusion. In this systematic review and indirect meta-analysis, the authors compared operative and patient-reported outcomes between these two select approaches using available studies.

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Using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) approach, the authors conducted an electronic search using the PubMed, EMBASE, and Scopus databases for studies published before May 1, 2019. Indirect meta-analysis was conducted on fusion rate, cage movement (subsidence plus migration), permanent deficits, and transient deficits; results were depicted as forest plots of proportions (effect size [ES]).

RESULTS

A total of 63 studies were included in this review after applying the exclusion criteria, of which 26 studies investigated the outcomes of ATP-LIF, while 37 studied the outcomes of LTP-LIF. The average fusion rate was found to be similar between the two groups (ES 0.97, 95% CI 0.84–1.00 vs ES 0.94, 95% CI 0.91–0.97; p = 0.561). The mean incidence of cage movement was significantly higher in the ATP-LIF group compared with the LTP-LIF group (stand-alone: ES 0.15, 95% CI 0.06–0.27 vs ES 0.09, 95% CI 0.04–0.16 [p = 0.317]; combined: ES 0.18, 95% CI 0.07–0.32 vs ES 0.02, 95% CI 0.00–0.05 [p = 0.002]). The mean incidence of reoperations was significantly higher in patients undergoing ATP-LIF than in those undergoing LTP-LIF (ES 0.02, 95% CI 0.01–0.03 vs ES 0.04, 95% CI 0.02–0.07; p = 0.012). The mean incidence of permanent deficits was similar between the two groups (stand-alone: ES 0.03, 95% CI 0.01–0.06 vs ES 0.05, 95% CI 0.01–0.12 [p = 0.204]; combined: ES 0.03, 95% CI 0.01–0.06 vs ES 0.03, 95% CI 0.00–0.08 [p = 0.595]). The postoperative changes in visual analog scale (VAS) and Oswestry Disability Index (ODI) scores were both found to be higher for ATP-LIF relative to LTP-LIF (VAS: weighted average 4.11 [SD 2.03] vs weighted average 3.75 [SD 1.94] [p = 0.004]; ODI: weighted average 28.3 [SD 5.33] vs weighted average 24.3 [SD 4.94] [p < 0.001]).

CONCLUSIONS

These analyses indicate that while both approaches are associated with similar fusion rates, ATP-LIF may be related to higher odds of cage movement and reoperations as compared with LTP-LIF. Furthermore, there is no difference in rates of permanent deficits between the two procedures.

InJournal of Neurosurgery: Spine Volume 37: Issue 4 (Oct 2022)

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