NIVALDO ALONSO

(Fonte: Lattes)
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Lattes
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Departamento de Cirurgia, Faculdade de Medicina - Docente
Instituto Central, Hospital das Clínicas, Faculdade de Medicina - Médico
LIM/04 - Laboratório de Microcirurgia, Hospital das Clínicas, Faculdade de Medicina - Líder

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Autor e Coautores FMUSP-HC Normalizados: HAMILTON MATUSHITA × Indexador: SciELO ×

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  • article
    Abordagem cirúrgica no tratamento da displasia fibrosa craniofacialexperiência de 14 anos
    (2014) ALONSO, NIVALDO; MATUSHITA, HAMILTON; ALESSI, MARIANA SISTO
    ABSTRACT Introduction: Fibrous dysplasia is benign tumor of the craniofacial skeleton that primarily affects young patients. It is characterized by the progressive growth of benign fibrous tumors with resulting functional and aesthetic deformities. This study assesses the clinical and prognostic features in patients with fibrous dysplasia who underwent surgical treatment at our institution. Methods: Retrospective analysis of 19 patients with craniofacial fibrous dysplasia, treated between January 1997 and December 2011 with bone remodeling and surgical resection. We also review the literature regarding fibrous dysplasia. Results: Patients ranged between 8-65 years old, with a mean age of 21.75 years. Ten patients (52.7%) were women. The polyostotic form was predominant and present in15 cases (78.9%). The sphenoid, ethmoid, and frontal bones were most commonly involved in the polyostotic form and the mandibular and zygomatic bones were most commonly involved in the monostotic form. The main complaint was asymmetry of the face. One patient developed decreased visual acuity. Treatment was based on surgical resection and graft reconstruction in the localized form of the disease, and bone abrasion and remodeling in the polyostotic form. Intracranial access was necessary in only one case (5.2%) where the optic nerve was compressed. Repeat surgical treatment due to recurrent tumor growth was necessary in three patients. The only complication occurred in a patient who developed lagophthalmos and epicanthus postoperatively after undergoing surgery using infraorbital access. No other complications occurred during shortand long-term follow-up. Functional preservation and facial contour recovery outcomes were satisfactory. Conclusion: Our experience, along with that of other investigators, demonstrates that surgery is effective in treating selected cases of craniofacial fibrous dysplasia.
  • article
    Idade e indicações de osteotomias para avanço frontofacial em pacientes com craniossinostoses sindrômicas
    (2012) ALONSO, Nivaldo; MATUSHITA, Hamilton; GOLDENBERG, Dov Charles; BASTOS, Endrigo Oliveira
    BACKGROUND: Craniofacial surgery has overcome many challenges since its initiation into clinical practice. Several technical issues have been addressed and the basic infrastructure of the specialty has now been developed. At present, 25 years after the first publications on frontofacial advancement, questions still remain as to the appropriate age for surgery and the appropriate type of surgery that should be performed. The aim of this study was to evaluate patients surgically treated for syndromic craniosynostosis over the last 10 years at our institution. METHODS: All syndromic patients who underwent monobloc frontofacial advancement or only isolated facial advancement from 2001 to 2011were selected. Out of 70 patients in total, 56 underwent monobloc frontofacial advancement and 14 underwent facial advancement after fronto-orbital remodeling. All data concerning these patients were correlated with patient age and final result. Moreover, age at surgery, complications, and final results were correlated with the main preexisting problems. RESULTS: Final results for syndromic patients varied, depending on the syndrome and the age at which the procedure was performed. Monobloc frontofacial advancements had a low index of immediate postoperative complications, but there was a clear need for further procedures at the time of final facial growth. The index of positive outcome was higher in patients who underwent surgery at an older age. CONCLUSIONS: In cases of severe craniosynostosis with functional problems, monobloc frontofacial advancement is still the best therapeutic option.