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Exotropias consecutivas: formas clínicas y resultados de su tratamiento quirúrgico / Consecutive exotropia: clinical forms and results of surgical treatment
Iturriaga V., Hernán; Valenzuela H., Anabella.
Affiliation
  • Iturriaga V., Hernán; Fundación Oftalmológica Los Andes. CL
  • Valenzuela H., Anabella; Clínica Las Condes. CL
Arch. chil. oftalmol ; 63(2): 307-310, nov. 2005.
Article in Es | LILACS | ID: lil-729254
Responsible library: CL1.1
RESUMEN

Objetivo:

Analizar las características clínicas y resultados del tratamiento quirúrgico de las Exotropias (XT) Consecutivas (secundarias a cirugía de endotropias). Material y

Método:

Estudio retrospectivo de 61 casos tratados quirúrgicamente con retroceso bilateral de Rectos Laterales (RcRLs) cuando no existía aducción comprometida, o con Avanzamiento de Recto (s) Medio (s) (AvRM) en presencia de aducción deficitaria.

Resultados:

El rango de desviación preoperatorio fue de – 12 dioptrías prismáticas (dp) a – 70 dp (promedio - 29 dp). Diecinueve casos tenían aducción pobre y compromiso de convergencia y se les practicó AvRM; a los restantes 42 se les practicó RcRLs. Lograron alineamiento (+/- 10 dp de la ortoposición) 12/19 (63.2 por ciento) en el primer grupo y 27/42 (64.3 por ciento) en el segundo. El porcentaje de sobre y subcorrecciones fue similar en ambos grupos. La insuficiencia de convergencia fue marcador de mal pronóstico en los casos sometidos a RcRLs. El ajuste postoperatorio se asoció a buen resultado en los casos con AvRM.

Conclusiones:

El manejo quirúrgico de las XT Consecutivas arroja resultados similares a los comunicados para XT primarias. En la evaluación preoperatoria es fundamental considerar el estado de las ducciones musculares, lo que determinará la técnica quirúrgica a emplear.
ABSTRACT

Objective:

To evaluate clinical characteristics of a group of patients with Consecutive XT and results of their surgical treatment.

Methods:

A retrospective study was performed on a group of 61 patients surgically managed with bilateral lateral rectus recession when they had no adduction deficit, or with medial rectus advancement in cases with poor adduction.

Results:

Patients had deviations between – 12 to – 70 pd (mean - 29 pd). Nineteen cases had a V pattern and 18 an A pattern. Nineteen patients demonstrated poor adduction and convergence, and a medial rectus advancement was done on them. The other 42 patients were operated with bilateral lateral rectus recession. Succesful alignement (+/- 10 pd of orthoposition) was obtained in 12/19 (63,2 percent) patients of the first group and in 27/42 (64,3 percent) of the second one. Under and overcorrections were similar in both groups. Convergence insufficiency was associated to a bad prognosis in the bilateral lateral rectus recession group, and surgical adjustement to good prognosis in the medial rectus advancement group.

Conclusions:

The surgical management of Consecutive XT in this group of patients showed similar results to those published for Primary XT. A careful consideration of the adduction quality in the preoperative evaluation is very important to decide the best technique to employ in each case.
Subject(s)
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Collection: 01-internacional Database: LILACS Main subject: Ophthalmologic Surgical Procedures / Exotropia Type of study: Observational_studies / Prognostic_studies / Risk_factors_studies Limits: Humans Language: Es Journal: Arch. chil. oftalmol Journal subject: OFTALMOLOGIA Year: 2005 Document type: Article / Congress and conference Affiliation country: Chile Country of publication: Chile
Search on Google
Collection: 01-internacional Database: LILACS Main subject: Ophthalmologic Surgical Procedures / Exotropia Type of study: Observational_studies / Prognostic_studies / Risk_factors_studies Limits: Humans Language: Es Journal: Arch. chil. oftalmol Journal subject: OFTALMOLOGIA Year: 2005 Document type: Article / Congress and conference Affiliation country: Chile Country of publication: Chile