Dacriocistorrinostomía endoscópica: Experiencia de 4 años del Hospital Clínico de la Universidad de Chile

2015 
Introduccion: La dacriocistorrinostomia abierta es el gold estandar para el tratamiento de la obstruccion nasolacrimal, patologia manifestada como epifora cronica, dacriocistitis y conjuntivitis recurrente. Desde el desarrollo del abordaje endonasal, se ha considerado como una alternativa terapeutica eficaz con notorias ventajas respecto a la tecnica abierta y que ademas ofrece la posibilidad de corregir otras alteraciones de la nariz y cavidades paranasales en el mismo tiempo quirurgico. Objetivo: Evaluar los resultados de la tecnica quirurgica endoscopica segun la realidad del Hospital Clinico de la Universidad de Chile, durante los anos 2010-2014. Determinar la etiologia de la obstruccion en los pacientes intervenidos. Material y metodo: Se realizo un estudio de cohorte retrospectivo con revision de fichas clinicas de pacientes con diagnostico de obstruccion de la via lacrimal sacular y postsacular sometidos a dacriocistorrinostomia endoscopica. Se incluyeron 27pacientes entre los cuales se realizaron 33 cirugias, ya que 22,2% de ellos (6/27) fueron sometidos a intervencion bilateral. Resultados: El exito quirurgico objetivo y subjetivo se presento en 75,8% (25/33) y 65,4% (17/26) respectivamente. El 7,4% (2/27) presentaron complicaciones intraoperatorias (falsa via y extrusion de grasa orbitaria) y 18,5% (5/27) complicaciones posoperatorias (sinequias y fibrosis). Dentro de las causas destacan: idiopatica 66,7% (18/27), postraumatica 14,8% (4/27), secundaria a utilizacion de radioyodo 11,1% (3/27), granulomatosis de Wegener3,7% (1/27)y congenita 3,7% (1/27). La sonda instalada se mantuvo por un promedio de 3,5 meses, y el seguimiento se realizo por un periodo de 7,4 meses. Conclusion: La dacriocistorrinostomia endoscopica resulta ser una excelente herramienta quirurgica para el manejo de pacientes con diagnostico de obstruccion nasolacrimal, siendo un procedimiento exitoso, seguro, con baja tasa de complicaciones y una muy buena evolucion posoperatoria, recomendado para todos aquellos casos con mala respuesta a las terapias medicas.(AU) Introduction: Open dacryocystorhinostomy is the gold standard for the treatment of nasolacrimal obstruction, pathology manifested as chronic epiphora, recurrent dacryocystitis and conjunctivitis. Since the development of endonasal approach, it has been considered as an alternative therapy with notable advantages over the open technique and offers the possibility to correct other abnormalities of the nose and paranasal sinuses in the same surgical time. Aim: To evaluate the results of endoscopic surgical technique according to the reality of the Clinical Hospital of the University of Chile, during the years 2010-2014. Determine the etiology of the obstruction in patients undergoing surgery. Material and method: A retrospective cohort study was performed with review of clinic files of patients diagnosed with lacrimal duct obstruction submitted to an endoscopic dacryocystorhinostomy. 27 patients were included and 33 surgeries were performed, as 22.2% of them (6/27) underwent bilateral intervention. Results: Objective and subjective surgical success occurred in 75,8% (25/33) and 65,4% (17/26) respectively. 7,4% (2/27) had intraoperative complications (false passage and orbital fat extrusion) and 18,5% (5/27) postoperative complications (fibrosis and synechiae). Among the causes are: idiopathic 66,7% (18/27), postraumatic 14.8% (4/27), history of radioiodine use 11.1% (3/27), Wegener's granulomatosis 3.7% (1/27) and congenital 3.7% (1/27). Probe Installed was kept for an average of 3,5 months, and the follow-up was performed for 7,4 months. Conclusions: Endoscopic dacryocystorhinostomy is an excellent surgical tool for the management of patients with nasolacrimal obstruction. It's a successful procedure, with low rate of complications and good postoperative outcome, recommended for those cases with poor response to medical therapies.(AU)
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