Unruptured Brain Arteriovenous Malformations: A Systematic Review and Meta-Analysis of Mortality and Morbidity in Aruba-Eligible Studies.

BACKGROUND: Treating unruptured brain arteriovenous malformations (bAVMs) represent significant challenges, with numerous uncertainties still in debate. The ARUBA trial induced further investigation into optimal management strategies for these lesions. Here, we present a systematic-review and meta-analysis focusing on ARUBA-eligible studies, aiming to correlate patient data with outcomes and discuss key aspects of these studies. METHODS: Following PRISMA guidelines, we conducted a systematic-review. Variables analyzed included bAVM Spetzler-Martin (SM) grade, treatment modalities, and outcomes such as mortality and neurological deficits. We compared studies with a minimum of 50% cases classified as SM 1-2 lesions and those with less than 50% in this category. Similarly, a comparison between studies with at least 50% microsurgery-cases and those with less than 50% was performed. We examined correlations between mortality incidence, SM distribution, and treatment modalities. RESULTS: Our analysis included 16 studies with 2.417 patients. The frequency of bAVMs SM-grade 1-2 ranged from 44% to 76%, SM-grade 3 from 19% to 48%, and SM 4-5 from 5 to 23%. Notably, studies with more than 50% cases presenting lesions SM-grade 1-2 presented significantly lower mortality rates than those with less than 50% cases of SM 1-2 lesions (P < 0.001). No significant difference in mortality rates or neurological deficits was identified between studies with more than 50% of microsurgery-cases and those with less than 50%. CONCLUSIONS: The analysis revealed that studies with a higher proportion of bAVMs presenting SM 1-2 lesions were associated with lower mortality rates. Mortality did not show a significant association with treatment modalities.

Craniossinostoses não sindrômicas: uma análise retrospectiva / Non-syndromic craniosynostosis: a retrospective analysis

Introdução: Craniossinostoses são definidas como fusões prematuras de uma ou mais suturas cranianas. Podem ser classificadas de acordo com as suturas envolvidas, malformações correlacionadas e alterações genéticas, podendo ser sindrômicas ou não. Sua incidência estimada em 1:2.000-2.500 nascidos vivos, sendo apenas 8% sindrômicas. Existem múltiplas opções cirúrgicas para a correção destas malformações, e o encaminhamento precoce para centros especializados no tratamento destes doentes é necessário para uma melhor indicação terapêutica. O diagnóstico é pautado no exame físico e tomografia computadorizada. O tratamento cirúrgico traz melhoras significativas estéticas e no convívio social dos pacientes. O objetivo é analisar os dados, retrospectivamente, dos pacientes submetidos à cirurgia para correção de craniossinostoses, no HC da UNESP-Botucatu. Métodos: Análise retrospectiva dos prontuários de pacientes submetidos à correção cirúrgica de craniossinostoses entre 2012 e 2017. Resultados: A prevalência de escafocefalia e trigonocefalia foi igual (38,5%), idade média de abordagem de 24 meses, o tempo cirúrgico médio foi de 3h48min, sendo menor nas escafocefalias, 2h50min. Todos os pacientes receberam transfusão de sangue no perioperatório com média percentual em relação ao volume sanguíneo pré-operatório de 24,9% e fizeram pós-operatório em UTI pediátrica. Não houve óbitos ou complicações, e os resultados tidos como bom pela equipe e familiares. Conclusão: O tratamento cirúrgico aberto das craniossinostoses não sindrômicas é um procedimento seguro. As equipes de cirurgia plástica conseguem alcançar resultados equiparáveis aos descritos na literatura, com baixas taxas de complicações, bom resultado estético, quando executado de maneira adequada, e com abordagem multidisciplinar.

Introduction: Craniosynostoses are defined as premature fusions of one or more cranial sutures. They can be classified according to the sutures involved, correlated malformations and genetic alterations, and maybe syndromic or not. Its incidence is estimated at 1: 2,000-2,500 live births, with only 8% being syndromic. There are multiple surgical options for the correction of these malformations, and early referral to specialized centers for the treatment of these patients is necessary for a better therapeutic indication. The diagnosis is based on physical examination and computed tomography. The surgical treatment brings significant aesthetic and social improvements to patients. The objective is to analyze retrospectively patient data who underwent surgery to correct craniosynostosis at HC of UNESP-Botucatu. Methods: Retrospective analysis of the medical records of patients who underwent surgical correction of craniosynostosis between 2012 and 2017. Results: The prevalence of scaphocephaly and trigonocephaly was the same (38.5%). The mean age of the approach was 24 months; the mean surgical time was 3h48min, lower in scaphocephaly, 2h50min. All patients received blood transfusions in the perioperative period, with a mean percentage of 24.9% in relation to the preoperative blood volume. They underwent postoperative in a pediatric ICU. There were no deaths or complications, and the results were considered good by the team and family. Conclusion: Open surgical treatment of non-syndromic craniosynostosis is a safe procedure. Plastic surgery teams can achieve results comparable to those described in the literature, with low complication rates, good aesthetic results when performed correctly and with a multidisciplinary approach.