ABSTRACT
Antecedentes: Los pacientes diabéticos tratados con angioplastía coronaria (AC) poseen un mayor riesgo de reestenosis y por lo tanto de reintervención en comparación a los no diabéticos, lo que ha derivado en una mayor utilización de stents recubiertos con drogas en este grupo de pacientes. Objetivo: Analizar la incidencia de reintervención en pacientes diabéticos no seleccionados sometidos a una AC con stent no recubierto en el Hospital Regional de Concepción e identificar los predictores de la reintervención. Método: Entre Enero 2005 y Diciembre 2006, 571 pacientes fueron sometidos AC, de los cuales 108 (19 por ciento) eran diabéticos. En este grupo estudiamos sus características clínicas, factores de riesgo y los factores angiográficos tales como el vaso tratado, diámetro, longitud y número de stents. Mediante un seguimiento telefónico y de ficha clínica se determinó la existencia o no de una reintervención coronaria. Identificado elgrupo con reintervención coronaria, comparamos las variables clínicas y angiográficas y a través de un modelo de regresión logística se buscó identificar predictores de dicha intervención. Se utilizó t de student y test exacto de Fisher. Resultados: La edad promedio fue 61±10 años, 71(66 por ciento) hombres y 25 por ciento insulinorequirientes 47(44 por ciento) pacientes tenía dislipidemia, 93(86 por ciento) hipertensión y 26(25 por ciento) eran fumadores. La AC fue en contexto de un SCA s/SDST en 56(52 por ciento) pacientes, 38 (35 por ciento) por IAM en evolución y 12(11 por ciento) por angina estable. Se implantaron 138 stents (1,3 stent/pt) y fue exitosa en el 96 por ciento. En el seguimiento de 13,7 ±7 meses la mortalidad fue 4,6 por ciento y sólo 12(11 por ciento) pacientes fueron sometidos a una nueva revascularización, 75 por ciento de las cuales fue otra AC. De las reintervenciones, sólo 4(33 por ciento) pacientes tenía reestenosis, el resto fue por lesiones en otro vaso. La distribución de los factores de riesgo...
Diabetes mellitus is associated to a more severe and extensive coronary artery disease. Coronary angioplasty (PTCA) has been demonstrated to have similar immediate results compared with patients without diabetes; however, diabetic patients exhibit a higher rate of restenosis and target lesion revascularization. Aim: to study the real incidence of a new interventional procedures in diabetics patients who were treated with bare metal stents. Methods: From January 2005 to December 2006, 571 patients were submitted to PTCA at the Hospital Regional de Concepcion. 108 patients (195) were diabetics. Clinical characteristics, risk factors, and angiographic findings were tabulated. Telephone follow up was used to determine the performance of coronary re intervention. A logistics regression model was used to identify predictors of coronary re intervention. Results: The mean average age was 61±10 years, 66 percent were men and 25 percent required insulin treatment. Dyslypidemia was present in 86 percent, hypertension in 86 percent and 25 percent were smokers. Indication for PTCA was acute coronary syndrome in 52 percent, myocardial infarction in 35 percent and stable angina in 11 percent. They received 1,3 stents/pts and immediate success rate was 96 percent. During follow up (13,7±7 months) global mortality was 4,6% and only 12 (11 percent) patients had a second revascularization procedure, 67 percent of them performed in non stentedcoronary arteries. Four revascularizations (33 percent) were due to significant in-stent restenosis, seven (58 percent) to other significant lesions and 1 to subacute stent thrombosis. In the univariate and multivariate analysis we didnot find independent clinical or angiographic factors as predictors of new revascularization. However, it wasmore frequent in patients with proximal left anterior descending artery stents and long lesions (58 percent and 50 percent, respectively). Conclusion: In our experience, need for repeat...
Subject(s)
Humans , Male , Adult , Female , Middle Aged , Diabetic Angiopathies/therapy , Angioplasty, Balloon, Coronary/adverse effects , /complications , Coronary Disease/therapy , Reoperation , Stents/adverse effects , Chile , Coronary Angiography , Follow-Up Studies , Incidence , Logistic Models , Prognosis , Recurrence , Risk Factors , Coronary Restenosis/etiology , Coronary RestenosisABSTRACT
Antecedentes: En el infarto agudo al miocardio con supradesnivel del segmento ST (IAM c/SDST) la angioplastía primaria (AP) ha demostrado disminuir la mortalidad y el reinfarto en comparación con la trombolisis. Por esta razón, desde septiembre de 2005 instauramos la AP como el tratamiento de elección del IAM en nuestro hospital. Objetivo: Mostrar nuestra experiencia con AP en el tratamiento del IAM en el Hospital Regional de Concepción. Método: Revisamos las características clínicas, hallazgos angiográficos y los resultados de los pacientes con IAM c/SDST que fueron tratados con AP en nuestro hospital, en el periodo entre septiembre 2005 y abril de 2007. Analizamos el tiempo puerta-balón, los resultados angiográficos y los resultados clínicos precoces y alejados. El seguimiento ha sido a través de la visita médica y por medio de teléfono. Los valores muestran como promedio y DS. Resultados: En este periodo 147 pacientes con IAM c/SDST fueron tratados con AP, en un tiempo puerta-balón de 65 +/- 37 minutos. La edad promedio fue 61 +/- 12 años. 112 (76 por ciento) pacientes eran hombres, 36 (24 por ciento) diabéticos, 81 (55 por ciento) hipertensos, 21 (14 por ciento) tenían dislipidemia y 48 (33 por ciento) eran fumadores. El 76 por ciento se presentaron con IAM 6 horas de evolución y en el 46 por ciento el infarto fue de pared anterior. Hubo éxito angiográfico de 92 por ciento y la angioplastía fue con stent en el 93 por ciento. La mortalidad global fue 8,8 por ciento a 30 días con 2 por ciento de reinfarto. En el seguimiento alejado de 112 +/- 86 días la mortalidad fue 4,4 por ciento. El sexo femenino y la enfermedad multivaso fueron los únicos predictores independientes de mortalidad. Conclusión: Hemos logrado implementar la angioplastía primaria como método de elección en el IAM, cumpliendo con los tiempos internacionales establecidos y con una tasa de éxito superior al 90 por ciento.
Background: Compared to thrombolysis, primary coronary angioplasty (PTCA) has proven more effective to decrease mortality and re-infarction in patients with ST segment elevation myocardial infarction (STEMI). Therefore, from 2005 primary PTCA was used as the treatment of choice for patients with acute STEMI at our institution. Aim: to evaluate results obtained with primary PTCA in patients with STEMI at the Hospital Regional de Concepcion. Methods: The clinical characteristics, angiographic findings and results of primary PTCA were evaluated in consecutive patients treated from 2005 to 2007. Door to balloon time, angiographic results and early and late clinical results were evaluated. Follow up was obtained by clinical interviews and phone contact. Results are expressed as mean +/- SD. Results: 147 patients were treated. The door to balloon time was 65 +/- 37 min. Mean age was 61 +/- 12 years. 76 percent of patients were males, diabetes was present in 55 percent, hypertension in 14 percent, dyslipidemia in 33 percent and 33 percent of patients were smokers. 76 percent of patients presented 6hr after initiation of pain. An anterior wall MI was present in 46 percent. Angiographic success rate was 92 percent; stents were used in 93 percent of patients. Overall mortality rate was 8.8 percent at 30 days and reinfarction rate was 2 percent. After a mean follow up of 112 +/- 86 days, late mortality rate was 4.4 percent. Female gender and multi vessel disease were the sole predictors of mortality Conclusion: Primary PTCA at the Hospital Regional de Concepcion was performed with a success rate above 90 percent within an internationally accepted time interval following the initiation of MI.
Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aged, 80 and over , Angioplasty, Balloon, Coronary/statistics & numerical data , Myocardial Infarction/therapy , Angioplasty, Balloon, Coronary/mortality , Chile/epidemiology , Follow-Up Studies , Myocardial Infarction/complications , Myocardial Infarction/mortality , Multivariate Analysis , Prospective Studies , Regression Analysis , Reoperation , Sex Factors , Survival RateABSTRACT
Background: The different therapeutic schedules used for the prescription of digoxin have little theoretical support. Aim: To measure digoxin plasma levels in patients using four different prescription schedules. Patients and methods: Four groups of patients were studied. Group I corresponded to 56 patients taking digoxin 0.25 mg/day, from Monday to Friday. Group II corresponded to 30 patients taking digoxin 0.25 mg/day, from Monday to Saturday. Group III corresponded to 53 patients taking digoxin 0.25 mg/day continuosly. Group IV corresponded to 36 patients taking digoxin 0.125 mg/day continuosly. Plasma digoxin levels were measured in two consecutive Mondays before taking the daily dose of the drug. Serum creatinine was also measured and creatinine clearance was calculated. The therapeutic plasma concentration range was set between 0.5 and 2 ng/ml. Results: Mean plasma digoxin levels were 1.15±0.8 ng/ml in group I, 1.4±0.55 ng/ml in group II, 1.68±0.7 ng/ml in group III and 1.14±0.43 ng/ml in group IV. 93 percent of patients in group I, 80 percent of patients in group I, 80 percent of patients in group II, 75 percent of patients in group III and 94 percent of patients in group IV had therapeutic digoxin levels. A low creatinine clearance, an age over 65 and interactions with other drugs were risk factors associated with supratherapeutic levels, mostly seen in group II and group III with 20 percent and 24 percent respectively. Conclusions: Most patients using digoxin with different therapeutic schedules had plasma drug levels within the therapeutic range