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Efecto real de la prevención de accidente cerebrovascular con warfarina en pacientes con fibrilación auricular / Real effect of the prevention of cerebro-vascular accident with warfarina in patients with ear fibrillation
Cotrina Pereyra, Rosa; Villar Astete, Abelardo; Quevedo, Karina.
  • Cotrina Pereyra, Rosa; Instituto Nacional del Corazón. Lima. PE
  • Villar Astete, Abelardo; Hospital de Huancayo. PE
  • Quevedo, Karina; Hospital Nacional Guillermo Almenara. Lima. PE
Rev. peru. cardiol. (Lima) ; 33(3): 130-138, sept.-dic. 2007. tab, graf
Article in Spanish | LILACS, LIPECS | ID: lil-538579
RESUMEN

INTRODUCCION:

Grandes estudios multicéntricos han mostrado eficacia de la Terapia Anticoagulante Oral (TAO) a dosis ajustada a Indice Normalizado Internacional (INR) terapéutico, con una reducción significativa de Accidente Cerebrovascular (ACV) cardioembólico en pacientes con Fibrilación Auricular (FA), sin embargo en la vida real mantener el rango anticoagulante terapéutico óptimo aún en los países desarrollados es difícil y requiere monitoreo estricto. En nuestro medio no hemos encontrado reportes sobre el efecto anticoagulante real del tratamiento con Warfarina, su eficacia en la prevención de ACV y la complicación hemorrßgica.

OBJETIVOS:

Determinar el efecto real de la TAO con Warfarina, su eficacia y riesgo relativo de ACV y de hemorragia en el seguimiento de pacientes con FA del Instituto Nacional del Corazón (INCOR)- ESSALUD. PACIENTES Y

METODOS:

Se dise±ó un estudio transversal en pacientes adultos usuarios de Warfarina por FA; siguiendo los criterios de la ACC/AHA y ACCP se estratificaron los riesgos cardioembólico y hemorrßgico. El efecto anticoagulante fue medido con el INR, la evaluación estadística fue realizada con el programa SPS versión 12.0.

RESULTADOS:

Se incluyeron 127 pacientes entre 25 y 94 a±os de edad. Se encontró en 2 ó mßs controles INR 2-3.5 (óptimo) en el 38.6 por ciento; INR < 2 en el 32.7 por ciento e INR > 3.5 en el 4.9 por ciento. Se encontró ACV en el 13.4 por ciento, hemorragia mayor en el 6.3 por ciento y hemorragia menor en el 31.5 por ciento. Los riesgos relativos fueron estimados RR de ACV en paciente con INR < 2 1.11 (IC 95 por ciento, 0.083 a 0.074); RR de ACV de un paciente con antecedente de ACV 2.88 (IC 95 por ciento, 0.792 a 6.621); RR de ACVen un paciente mayor de 75 a±os 1.43 (IC 95 por ciento, 0.576 a 3.438); RR de ACV en un paciente con HTA no controlada 2.47 (IC 95 por ciento, 1.037 a 5.587); RR de hemorragia mayor en un paciente mayor de 65a±os1.27 (IC 95 por ciento, 0.348 a 4.730); y mayor de 85a±os 3.48 ...
ABSTRACT
INTRODUCTION. Large trials have showed effectiveness of the Oral Anticoagulat Therapy (OAT) with Warfarin doses close-fitting to therapeutic INR to reduce stroke in Atrial Fibrillation (AF), though real liveliness keep in good condition therapeutic effect is very complicatedto request strict supervise, it has not determined in our country, with the objective to identify the real effect andeffectiveness of Warfarin to prevent the stoke in atrial fibrillation patients.

OBJECTIVE:

To determine the real effect of OAT warfarin, it is effectiveness and relative risk stroke and bleeding following AF in anticoagulated patients ofInstituto Nacional del Corazon (INCOR)-ESSALUD. PATIENTS and

METHODS:

was designed a transversal study, in adult patients user warfarin by AF, the stratification of the cardioembolic risk and bleeding risk was made according to the criteria of ACC/AHA and ACCP; the anticoagulant effect was measured by International Normalizad Ratio (INR); with SPS program the statics evaluation was done.

RESULTS:

were included 127 patients between 25 and 94 years old. Was found during 2 o more controls INR 2-3.5 (therapeutic rank) in 38.6 per cent of patients, INR 2 (subanticoagulation) in 32.7 per cent and INR >3.5 in 4.9 per cent patients. Was found stroke 13.4 per cent, mayor bleeding 6.3 per cent, minor bleeding 31.5 per cent patients. RR stroke in patient with Stroke previous 2.88 (IC 95 per cent, 0.792-6.621); RR Strokein elderly than 75 years 1.434 (IC 95 per cent 0.576-3.484), RR stroke in uncontrollabled arterial Hypertention 2.47 (IC95 per cent 1.037-5.587), RR stroke with INR < 2 1.11 (IC 95 per cent, 0.083 a 0.074). RR mayor bleeding in patient elderly than 65 a±os 1.273 (IC 95 per cent, 0.348-4.730); inpatients elderly 85 years 3.48 (IC 95 per cent; 0575-4.108).

CONCLUSIONS:

in this study 1.Real anticoagulante effect during the oral anticoagulation management with Warfarin was effective in 38.6 per cent of patients with AF...
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Atrial Fibrillation / Warfarin / Stroke Type of study: Controlled clinical trial / Etiology study / Health technology assessment / Observational study / Prevalence study / Prognostic study / Risk factors Limits: Adult / Aged / Aged80 / Female / Humans / Male Language: Spanish Journal: Rev. peru. cardiol. (Lima) Year: 2007 Type: Article Institution/Affiliation country: Hospital Nacional Guillermo Almenara/PE / Hospital de Huancayo/PE / Instituto Nacional del Corazón/PE

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Full text: Available Index: LILACS (Americas) Main subject: Atrial Fibrillation / Warfarin / Stroke Type of study: Controlled clinical trial / Etiology study / Health technology assessment / Observational study / Prevalence study / Prognostic study / Risk factors Limits: Adult / Aged / Aged80 / Female / Humans / Male Language: Spanish Journal: Rev. peru. cardiol. (Lima) Year: 2007 Type: Article Institution/Affiliation country: Hospital Nacional Guillermo Almenara/PE / Hospital de Huancayo/PE / Instituto Nacional del Corazón/PE