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Angiología ; 67(5): 367-372, sept.-oct. 2015. tab
Article in Spanish | IBECS | ID: ibc-142587

ABSTRACT

INTRODUCCIÓN: El tratamiento de la isquemia crítica de la extremidad involucra un bypass o terapia endovascular. Ya se han desarrollado herramientas para predecir la sobrevida libre de amputación, como PREVENT-III, que ha demostrado su utilidad únicamente en injertos autógenos. OBJETIVO: Demostrar la aplicabilidad de PREVENT-III con injerto no autógeno. MATERIAL Y MÉTODOS: Se revisaron 87 expedientes de pacientes tratados mediante bypass infragenicular entre marzo de 2011 y marzo de 2013. Un total de 40 pacientes reunieron los criterios de inclusión; se calculó su puntuación PREVENT-III, se anotó el tipo de injerto utilizado, comorbilidades y su sobrevida libre de amputación a 12 meses. RESULTADOS: Se incluyó a 40 pacientes, con media de edad de 68,4 ± 9 años (47-90), 19 mujeres y 21 hombres. Las comorbilidades fueron diabetes mellitus (n = 28; 70%), tabaquismo suspendido (n = 24), hipertensión arterial sistémica (n = 19), tabaquismo activo (n = 11), angina o infarto cardiaco previo (n = 8), tabaquismo negado (n = 5), hipercolesterolemia (n = 4), dislipidemia mixta (n = 4), y ningún paciente tuvo enfermedad renal crónica. Se utilizó injerto sintético (n = 27; 67,5%) e injertos compuestos (n = 13). Fueron tratados mediante amputación mayor 7 pacientes (3 sintéticos + 4 compuestos) con riesgo bajo, y 8 (6 sintéticos + 2 compuestos) con riesgo moderado (p = 0,062). Al subdividir los grupos, 9 (3 riesgo bajo + 6 moderado) con injerto sintético fueron amputados (p = 0,034), y 6 con compuesto (4 riesgo bajo + 2 moderado) (p = 0,0657). CONCLUSIONES: La escala PREVENT-III es aplicable con injerto sintético, sin embargo, el comportamiento en presencia de injerto compuesto es errático


INTRODUCTION: Treating critical limb ischemia involves a bypass or endovascular therapy. Tools, such as PREVENT-III have been developed to predict amputation-free survival, but their usefulness has only been demonstrated in autologous grafts. OBJECTIVE: To demonstrate the applicability of PREVENT-III with non-autologous grafts. MATERIAL AND METHODS: A study was conducted on 87 cases of patients who underwent below-knee bypass between March 2011 and March 2013. Of the 40 patients that met the inclusion criteria, the PREVENT-III score, the type of graft used, comorbidity, and survival free of amputation at 12 months, were recorded. RESULTS: The 40 patients included had a mean age of 68.4 ± 9 years (47-90), and there were 19 women and 21 men. Comorbidities were diabetes mellitus (n = 28; 70%), ex-smoker (n = 24), systemic hypertension (n = 19), active smoking (n = 11), angina or history of myocardial infarction (n = 8), non-smokers (n = 5), hypercholesterolemia (n = 4), hypercholesterolemia + hypertriglyceridemia (n = 4), and with no patients with end stage renal disease. Synthetic grafts were used in (n = 27; 67.5%) and composite grafts in (n = 13). Major amputation was performed on 7 low risk patients (3 synthetic + 4 composite), and 8 moderate risk patients (6 synthetic + 2 composite) (P=.062). By dividing into sub-groups, 9 (3 moderate + 6 low risk) with synthetic graft were amputees (P = .034), and 6 with composite (4 moderate + 2 low risk) (P = .0657). CONCLUSIONS: The PREVENT-III can be applied to synthetic grafts; however, the behavior in the presence of composite graft is erratic


Subject(s)
Aged , Female , Humans , Male , Transplantation , Myocardial Ischemia/pathology , Myocardial Ischemia/surgery , Myocardial Ischemia/therapy , Amputation, Surgical/mortality , Amputation, Surgical
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