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4.
Insuf. card ; 8(4): 151-156, nov. 2013. ilus, tab
Article in Spanish | LILACS | ID: lil-708504

ABSTRACT

Introducción. El ecocardiograma es el método de elección para evaluar la severidad de la estenosis aórtica (EA), pero a menudo existen discrepancias entre los parámetros ecocardiográficos. El objetivo de nuestro trabajo fue evaluar la correlación entre los parámetros ecocardiográficos utilizados para graduar la severidad de la estenosis aórtica: área valvular aórtica (AVA), gradiente transvalvular medio (GM) y velocidad sistólica máxima (VM), y valorar la discordancia entre el AVA y el GM para el diagnóstico de EA severa. Material y métodos. Se incluyeron de forma consecutiva pacientes a los que se les realizó un ecocardiograma transtorácico como parte del seguimiento de su estenosis aórtica. Se calculó el AVA por ecuación de continuidad, el AVA indexado (AVAi), la VM y el GM con Doppler continuo. Mediante el método de correlación bivariada se obtuvo el coeficiente de correlación de Pearson entre las variables AVA y AVAi-GM, AVA y AVAi-VM. Se consideró una p<0,05, estadísticamente significativa. Además, se dividió a la población en 4 grupos de acuerdo a los siguientes parámetros ecocardiográficos, AVA ≥1 cm² y <1cm²; AVAi ≥0,6 cm²/m² y <0,6 cm²/m² y GM ≥40 mm Hg y <40 mm Hg. Las variables categóricas se expresan en porcentaje y las variables continuas en promedio y desviación estándar. Resultados. Fueron incluidos 104 pacientes con un AVA promedio de 1,24 ± 0,40 cm², AVAi promedio de 0,67 ± 0,22 cm²/m², una VM promedio de 3,34 ± 0,89 m/seg y un GM promedio de 27,9 ± 17,6 mm Hg. Hubo correlación significativa entre las variables: AVA-GM (coeficiente de correlación 0,738; p<0,01), AVA-VM (coeficiente de correlación de 0,801; p<0,01). Se mantuvo la misma correlación cuando se comparó GM y VM con AVAi. Al dividir por grupos de acuerdo al área valvular y GM, hubo discordancia de los parámetros ecocardiográficos de estenosis aórtica severa en 12,5% y 17,3%, con AVA o AVAi, respectivamente. Conclusión. Existe correlación estadística entre los parámetros ecocardiográficos para evaluar la EA, pero hay discordancia de 12,5 ó 17,3% entre el AVA o AVAi, respectivamente, y GM para valorar EA severa.


Backround. Echocardiography is the method of choice for evaluating the severity of aortic stenosis, but there are often discrepancies between echocardiographic parameters. The aim of our study was to evaluate the correlation between echocardiographic parameters used to grade the severity of aortic stenosis: aortic valve area (AVA), mean transvalvular gradient (MG) and peak systolic velocity (PV) and assess the discordance between AVA and mean gradient for the diagnosis of severe aortic stenosis. Material and methods. We included consecutively patients who underwent transthoracic echocardiography as part of follow up of aortic stenosis. Was calculated AVA by continuity equation, indexed AVA (iAVA), PV and MG with continuous Doppler. By the method of bivariate correlation was obtained Pearson correlation coefficient between AVA and iAVA-MG, AVA and iAVA-PV. We considered a p<0.05 statistically significant. In addition, the population was divided into 4 groups according to the following echocardiographic parameters, AVA ≥1 cm² and <1 cm²; iAVA ≥0.6 cm²/m² and <0.6 cm²/m² and GM ≥40 mm Hg and <40 mm Hg. Results. We included104 patients with a mean AVA of 1.24 ± 0.40 cm², a mean iAVA of 0.67 ± 0.22 cm²/m², a mean PV of 3.34 ± 0.89 m/sec and a mean MG of 27.9 ± 17.6 mm Hg. There was significant correlation between the variables: AVA-MG (correlation coefficient 0.738, p<0.01), AVA-PV (correlation coefficient of 0.801, p<0.01). Remained the same correlation when compared iAVA with MG and PV. Dividing into groups according to valve area and MG, there was discrepancy of echocardiographic parameters of severe aortic stenosis in 12.5% and 17.3%, with AVA or iAVA respectively. Conclusion. Statistical correlation exists between echocardiographic parameters to assess aortic stenosis, but there is disagreement of 12.5 or 17.3%, between AVA or iAVA and mean gradient respectively to assess severe aortic stenosis.


Introdução. O ecocardiograma é o método de escolha para avaliar a gravidade da estenose aórtica, mas muitas vezes há divergências entre os parâmetros ecocardiográficos. O objetivo do nosso estudo foi avaliar a correlação entre os parâmetros ecocardiográficos utilizados para classificar a gravidade da estenose aórtica: área da válvula aórtica (AVA), gradiente transvalvular médio (GM) e velocidade sistólica máxima (VM), e avaliar a discordância entre AVA e GM para o diagnóstico de estenose aórtica grave. Material e métodos. Foram incluídos consecutivamente pacientes que se submeteram a ecocardiografia transtorácica como parte do monitoramento de sua estenose aórtica. A AVA foi calculada pela equação da continuidade, a AVA indexada (AVAi), a VM e GM com Doppler continuo. Pelo método de correlação bivariada foi obtido coeficiente de correlação de Pearson entre as variáveis AVA e AVAi-GM, AVA e AVAi-VM. Foi considerado uma p<0,05 estatisticamente significativa. Além disso, a população foi dividida em quatro grupos de acordo com os seguintes parâmetros ecocardiográficos, AVA ≥ 1 cm2 e <1 cm²; AVAi ≥0,6 cm²/m² e <0,6 cm²/m² e GM ≥40 mm Hg e < 40 mm Hg. As variáveis categóricas foram expressas em porcentagens e as variáveis contínuas em média e desvio padrão. Resultados. Foram incluídos 104 pacientes com uma AVA média de 1,24 ± 0,40 cm², AVAi média de 0,67 ± 0,22 cm²/m², uma VM média de 3,34 ± 0,89 m/seg e um GM média de 27,9 ± 17,6 mm Hg. Houve correlação significativa entre as variáveis: AVA-GM (coeficiente de correlação 0,738, p<0,01), AVA-VM (coeficiente de correlação de 0,801, p<0,01). Mesma correlação foi mantida quando comparado GM e VM com AVAi. Dividindo-se em grupos de acordo com a área da válvula e GM, houve discordância de parâmetros ecocardiográficos de estenose aórtica grave em 12,5% e 17,3%, com AVA ou AVAi, respectivamente. Conclusão. Existe correlação estatística entre os parâmetros ecocardiográficos para avaliar ...

5.
Insuf. card ; 8(4): 151-156, nov. 2013. ilus, tab
Article in Spanish | BINACIS | ID: bin-130339

ABSTRACT

Introducción. El ecocardiograma es el método de elección para evaluar la severidad de la estenosis aórtica (EA), pero a menudo existen discrepancias entre los parámetros ecocardiográficos. El objetivo de nuestro trabajo fue evaluar la correlación entre los parámetros ecocardiográficos utilizados para graduar la severidad de la estenosis aórtica: área valvular aórtica (AVA), gradiente transvalvular medio (GM) y velocidad sistólica máxima (VM), y valorar la discordancia entre el AVA y el GM para el diagnóstico de EA severa. Material y métodos. Se incluyeron de forma consecutiva pacientes a los que se les realizó un ecocardiograma transtorácico como parte del seguimiento de su estenosis aórtica. Se calculó el AVA por ecuación de continuidad, el AVA indexado (AVAi), la VM y el GM con Doppler continuo. Mediante el método de correlación bivariada se obtuvo el coeficiente de correlación de Pearson entre las variables AVA y AVAi-GM, AVA y AVAi-VM. Se consideró una p<0,05, estadísticamente significativa. Además, se dividió a la población en 4 grupos de acuerdo a los siguientes parámetros ecocardiográficos, AVA ≥1 cm² y <1cm²; AVAi ≥0,6 cm²/m² y <0,6 cm²/m² y GM ≥40 mm Hg y <40 mm Hg. Las variables categóricas se expresan en porcentaje y las variables continuas en promedio y desviación estándar. Resultados. Fueron incluidos 104 pacientes con un AVA promedio de 1,24 ± 0,40 cm², AVAi promedio de 0,67 ± 0,22 cm²/m², una VM promedio de 3,34 ± 0,89 m/seg y un GM promedio de 27,9 ± 17,6 mm Hg. Hubo correlación significativa entre las variables: AVA-GM (coeficiente de correlación 0,738; p<0,01), AVA-VM (coeficiente de correlación de 0,801; p<0,01). Se mantuvo la misma correlación cuando se comparó GM y VM con AVAi. Al dividir por grupos de acuerdo al área valvular y GM, hubo discordancia de los parámetros ecocardiográficos de estenosis aórtica severa en 12,5% y 17,3%, con AVA o AVAi, respectivamente. Conclusión. Existe correlación estadística entre los parámetros ecocardiográficos para evaluar la EA, pero hay discordancia de 12,5 ó 17,3% entre el AVA o AVAi, respectivamente, y GM para valorar EA severa.(AU)


Backround. Echocardiography is the method of choice for evaluating the severity of aortic stenosis, but there are often discrepancies between echocardiographic parameters. The aim of our study was to evaluate the correlation between echocardiographic parameters used to grade the severity of aortic stenosis: aortic valve area (AVA), mean transvalvular gradient (MG) and peak systolic velocity (PV) and assess the discordance between AVA and mean gradient for the diagnosis of severe aortic stenosis. Material and methods. We included consecutively patients who underwent transthoracic echocardiography as part of follow up of aortic stenosis. Was calculated AVA by continuity equation, indexed AVA (iAVA), PV and MG with continuous Doppler. By the method of bivariate correlation was obtained Pearson correlation coefficient between AVA and iAVA-MG, AVA and iAVA-PV. We considered a p<0.05 statistically significant. In addition, the population was divided into 4 groups according to the following echocardiographic parameters, AVA ≥1 cm² and <1 cm²; iAVA ≥0.6 cm²/m² and <0.6 cm²/m² and GM ≥40 mm Hg and <40 mm Hg. Results. We included104 patients with a mean AVA of 1.24 ± 0.40 cm², a mean iAVA of 0.67 ± 0.22 cm²/m², a mean PV of 3.34 ± 0.89 m/sec and a mean MG of 27.9 ± 17.6 mm Hg. There was significant correlation between the variables: AVA-MG (correlation coefficient 0.738, p<0.01), AVA-PV (correlation coefficient of 0.801, p<0.01). Remained the same correlation when compared iAVA with MG and PV. Dividing into groups according to valve area and MG, there was discrepancy of echocardiographic parameters of severe aortic stenosis in 12.5% and 17.3%, with AVA or iAVA respectively. Conclusion. Statistical correlation exists between echocardiographic parameters to assess aortic stenosis, but there is disagreement of 12.5 or 17.3%, between AVA or iAVA and mean gradient respectively to assess severe aortic stenosis.(AU)


IntroduþÒo. O ecocardiograma é o método de escolha para avaliar a gravidade da estenose aórtica, mas muitas vezes há divergÛncias entre os parÔmetros ecocardiográficos. O objetivo do nosso estudo foi avaliar a correlaþÒo entre os parÔmetros ecocardiográficos utilizados para classificar a gravidade da estenose aórtica: área da válvula aórtica (AVA), gradiente transvalvular médio (GM) e velocidade sistólica máxima (VM), e avaliar a discordÔncia entre AVA e GM para o diagnóstico de estenose aórtica grave. Material e métodos. Foram incluídos consecutivamente pacientes que se submeteram a ecocardiografia transtorácica como parte do monitoramento de sua estenose aórtica. A AVA foi calculada pela equaþÒo da continuidade, a AVA indexada (AVAi), a VM e GM com Doppler continuo. Pelo método de correlaþÒo bivariada foi obtido coeficiente de correlaþÒo de Pearson entre as variáveis AVA e AVAi-GM, AVA e AVAi-VM. Foi considerado uma p<0,05 estatisticamente significativa. Além disso, a populaþÒo foi dividida em quatro grupos de acordo com os seguintes parÔmetros ecocardiográficos, AVA ≥ 1 cm2 e <1 cm²; AVAi ≥0,6 cm²/m² e <0,6 cm²/m² e GM ≥40 mm Hg e < 40 mm Hg. As variáveis categóricas foram expressas em porcentagens e as variáveis contínuas em média e desvio padrÒo. Resultados. Foram incluídos 104 pacientes com uma AVA média de 1,24 ± 0,40 cm², AVAi média de 0,67 ± 0,22 cm²/m², uma VM média de 3,34 ± 0,89 m/seg e um GM média de 27,9 ± 17,6 mm Hg. Houve correlaþÒo significativa entre as variáveis: AVA-GM (coeficiente de correlaþÒo 0,738, p<0,01), AVA-VM (coeficiente de correlaþÒo de 0,801, p<0,01). Mesma correlaþÒo foi mantida quando comparado GM e VM com AVAi. Dividindo-se em grupos de acordo com a área da válvula e GM, houve discordÔncia de parÔmetros ecocardiográficos de estenose aórtica grave em 12,5% e 17,3%, com AVA ou AVAi, respectivamente. ConclusÒo. Existe correlaþÒo estatística entre os parÔmetros ecocardiográficos para avaliar ...(AU)

6.
Article in Spanish | MEDLINE | ID: mdl-24067593

ABSTRACT

El mixoma es el tumor cardiaco más frecuente, se presenta comúnmente entre la tercera y sexta decada de la vida y es más prevalente en mujeres. Una forma de presentación es la embolia sistémica. Una mujer de 56 años de edad presentó síntomas de isquemia cerebral, infarto agudo de miocardio silente e isquemia en miembro inferior derecho. Se diagnosticó mixoma de aurícula izquierda y fue intervenida quirúrgicamente de urgencia.


Subject(s)
Embolism/etiology , Heart Neoplasms/complications , Myxoma/complications , Atrial Septum/diagnostic imaging , Female , Heart Atria/diagnostic imaging , Heart Neoplasms/pathology , Humans , Middle Aged , Myxoma/pathology , Ultrasonography
7.
Article in Spanish | MEDLINE | ID: mdl-24650654

ABSTRACT

Restrictive cardiomyopathy is the least common form of cardiomyopathy, and the disease that most often cause it, is the system amyloidosis. We present a 62-year-old with a history of heart failure, which in its assessment highlights the discrepancy between the low voltage ventricular complexes in the electrocardiogram and the severity of left ventricular wall thickness on echocardiography. This discrepancy was the source of suspicion and subsequent confirmation of systemic amyloidosis with cardiac involvement.


La miocardiopatía restrictiva es la forma menos frecuente de cardiomiopatía, y la enfermedad que con mayor frecuencia la origina, es la amiloidosis sistema. Presentamos un paciente de 62 años, con antecedentes de insuficiencia cardiaca, que en su evaluación, destaca la discordancia entre el escaso voltaje de los complejos ventriculares en el electrocardiograma y la severidad del grosor parietal del ventrículo izquierdo en el ecocardiograma, siendo dicha discordancia, la fuente de sospecha y posterior confirmación de amiloidosis sistémica con compromiso cardiaco.


Subject(s)
Amyloidosis/diagnosis , Cardiomyopathy, Restrictive/diagnosis , Electrocardiography/methods , Heart Ventricles/diagnostic imaging , Amyloidosis/complications , Cardiomyopathy, Restrictive/etiology , Fatal Outcome , Heart Failure/complications , Heart Ventricles/physiopathology , Humans , Male , Middle Aged , Myocardium/pathology , Ultrasonography
9.
Article in Spanish | LILACS, BINACIS | ID: biblio-1170958

ABSTRACT

Restrictive cardiomyopathy is the least common form of cardiomyopathy, and the disease that most often cause it, is the system amyloidosis. We present a 62-year-old with a history of heart failure, which in its assessment highlights the discrepancy between the low voltage ventricular complexes in the electrocardiogram and the severity of left ventricular wall thickness on echocardiography. This discrepancy was the source of suspicion and subsequent confirmation of systemic amyloidosis with cardiac involvement.


Subject(s)
Amyloidosis/diagnosis , Cardiomyopathy, Restrictive/diagnosis , Electrocardiography/methods , Heart Ventricles/diagnostic imaging , Amyloidosis/complications , Cardiomyopathy, Restrictive/etiology , Fatal Outcome , Humans , Heart Failure/complications , Male , Myocardium/pathology , Middle Aged , Heart Ventricles/physiopathology
11.
Article in Spanish | BINACIS | ID: bin-132687

ABSTRACT

Restrictive cardiomyopathy is the least common form of cardiomyopathy, and the disease that most often cause it, is the system amyloidosis. We present a 62-year-old with a history of heart failure, which in its assessment highlights the discrepancy between the low voltage ventricular complexes in the electrocardiogram and the severity of left ventricular wall thickness on echocardiography. This discrepancy was the source of suspicion and subsequent confirmation of systemic amyloidosis with cardiac involvement.


Subject(s)
Amyloidosis/diagnosis , Cardiomyopathy, Restrictive/diagnosis , Electrocardiography/methods , Heart Ventricles/diagnostic imaging , Amyloidosis/complications , Cardiomyopathy, Restrictive/etiology , Fatal Outcome , Heart Failure/complications , Heart Ventricles/physiopathology , Humans , Male , Middle Aged , Myocardium/pathology
12.
Rev Fac Cien Med Univ Nac Cordoba ; 69(4): 197-201, 2012.
Article in Spanish | MEDLINE | ID: mdl-23751786

ABSTRACT

INTRODUCTION: The aim of this study was to evaluate the systolic function of the left atrial appendage (LAA) in a group with and without patent foramen ovale (PFO) who suffered ischemic cerebrovascular events. MATERIAL AND METHODS: Between September 2010 and October 2011, 17 patients were referred for transesophageal echocardiography (TEE) after suffering a stroke. PFO was defined as the passage of at least one bubble through atrial septum with bubble test. We compared systolic velocity in the appendage between patients with and without PFO and a control group. RESULTS: Were 8 women and 9 men, mean age 54.1 ± 19.5 years and 8 patients were under 55 years of age. All patients had suffered a ischemic cerebrovascular events, 41.2% had stroke, 52.9% transient ischemic attack and amaurosis fugax 5.9%. In the assessment of TEE, 11.8% had atrial septal aneurysm and 35.3% PFO. Mean LAA systolic velocity was 66.3 ± 20.3 cm / sec. There was no difference in systolic velocity of the LAA between patients with and without PFO (67.5 ± 11.8 cm / sec vs 65.7 ± 24.3 cm / sec respectively, p = 0.87). The control group of 8 patients, 5 women and 3 men, mean age 39.5 ± 18 years, had a LAA systolic velocity of 77.6 ± 28.9 cm / sec, no significant differences with ischemic patients. CONCLUSION: There were no differences in systolic function of the LAA between patients with and without PFO with ischemic cerebrovascular event.


Introducción: El objetivo del presente trabajo fue comparar la función sistólica de la orejuela de la aurícula izquierda (OAI) en un grupo de pacientes con y sin foramen oval permeable (FOP) quienes sufrieron eventos cerebrovasculares isquémicos. Material y métodos: Entre septiembre de 2010 y octubre de 2011, 17 pacientes fueron enviados para la realización de un ecocardiograma transesofágico (ETE) por haber sufrido un accidente cerebrovascular (ACV). Se definió FOP al pasaje de al menos una burbuja a través del septum interauricular con test de burbujas. Se comparó la velocidad sistólica en la orejuela entre los pacientes con y sin FOP y con un grupo control. Resultados: Fueron 8 mujeres y 9 hombres, con una edad media de 54,1 ± 19,5 años. Todos los pacientes habían sufrido un evento cerebrovascular isquémico, el 41,2% habían tenido ACV, el 52,9% crisis isquémica transitoria y el 5,9% amaurosis fugaz. En la evaluación con ETE, el 11,8% tuvo aneurisma del septum interauricular y el 35,3% FOP. La velocidad sistólica media de la OAI fue 66,3 ± 20,3 cm/seg. No hubo diferencia en la velocidad sistólica de la OAI entre pacientes con o sin FOP (67,5 ± 11,8 cm/seg vs 65,7 ± 24,3 cm/seg respectivamente, p= 0,87). El grupo control compuesto por 8 pacientes, 5 mujeres y 3 hombres, con una edad media de 39,5 ± 18 años, tuvo una velocidad sistólica de la OAI de 77,6 ± 28,9 cm/seg, sin diferencias significativas con los pacientes isquémicos. Conclusión: No hubo diferencias en la función sistólica de la OAI entre pacientes con y sin FOP con eventos cerebrovasculares isquemicos.


Subject(s)
Atrial Appendage/physiology , Atrial Function, Left/physiology , Foramen Ovale, Patent/physiopathology , Stroke/physiopathology , Adult , Aged , Blood Flow Velocity/physiology , Echocardiography, Doppler, Pulsed , Female , Foramen Ovale, Patent/diagnosis , Humans , Male , Middle Aged , Systole
14.
Medicina (B Aires) ; 71(4): 366-8, 2011.
Article in Spanish | MEDLINE | ID: mdl-21893451

ABSTRACT

We report the case of an 82 year-old woman with symptoms of advanced heart failure and pulmonary arterial hypertension. An echocardiogram showed an ostium secundum type atrial septal defect and concomitant mitral valve stenosis (Lutembacher syndrome). Echocardiographic assessment of mitral pathology was hampered by the interatrial septal defect. Transient percutaneous occlusion test of the atrial septal defect was performed and severe mitral valve stenosis was detected. Atrial septal defect size modified the clinical manifestations and the transient occlusion test helped to decide the therapeutic strategy.


Subject(s)
Heart Septal Defects, Atrial/diagnostic imaging , Lutembacher Syndrome/diagnostic imaging , Mitral Valve Stenosis/diagnostic imaging , Aged, 80 and over , Cardiac Catheterization , Diagnosis, Differential , Echocardiography, Transesophageal , Female , Humans , Hypertension, Pulmonary/etiology
16.
Medicina (B.Aires) ; 71(4): 366-368, July-Aug. 2011. ilus
Article in Spanish | LILACS | ID: lil-633877

ABSTRACT

Se describe una paciente de 82 años de edad, con síntomas de insuficiencia cardíaca avanzada e hipertensión arterial pulmonar. Un ecocardiograma transtorácico mostró una comunicación interauricular tipo ostium secundum y estenosis valvular mitral concomitante (síndrome de Lutembacher). La valoración ecocardiográfica de la enfermedad mitral se vio dificultada por la presencia del defecto interauricular. Se realizó test de oclusión percutánea transitoria de la comunicación interauricular, observándose la aparición de estenosis valvular mitral grave. El tamaño del defecto interauricular modificó las manifestaciones clínicas y el test de oclusión transitoria ayudó a decidir la conducta terapéutica.


We report the case of an 82 year-old woman with symptoms of advanced heart failure and pulmonary arterial hypertension. An echocardiogram showed an ostium secundum type atrial septal defect and concomitant mitral valve stenosis (Lutembacher syndrome). Echocardiographic assessment of mitral pathology was hampered by the interatrial septal defect. Transient percutaneous occlusion test of the atrial septal defect was performed and severe mitral valve stenosis was detected. Atrial septal defect size modified the clinical manifestations and the transient occlusion test helped to decide the therapeutic strategy.


Subject(s)
Aged, 80 and over , Female , Humans , Heart Septal Defects, Atrial , Lutembacher Syndrome , Mitral Valve Stenosis , Cardiac Catheterization , Diagnosis, Differential , Echocardiography, Transesophageal , Hypertension, Pulmonary/etiology
18.
Medicina (B Aires) ; 70(4): 339-42, 2010.
Article in Spanish | MEDLINE | ID: mdl-20679054

ABSTRACT

Atrial fibrillation is the most common heart rhythm disorder after cardiac surgery. In previous studies it has been associated with prolonged hospitalization, increased costs and mortality. This study aimed to determine the prevalence of postoperative atrial fibrillation in cardiac surgery and its impact on the hospitalization period. Medical records of consecutive patients undergoing cardiac surgery (coronary artery bypass graft, valvular, or both) between January 2006 and November 2008 were included and retrospectively analyzed. Primary outcome was the presence of postoperative atrial fibrillation. The sample was divided into two groups, with and without atrial fibrillation in the postoperative. The clinical variables and length of hospital stay were compared between both groups. A total of 172 patients underwent surgery in this period. Seven patients were excluded from analysis due to lack of data. The mean age was 64.2 +/- 9.5 years, and they were predominantly male. Atrial fibrillation was the most common complication (23.6%). The average length hospital stay was 6.7 +/- 4.6 days. There were no significant differences between both groups, with atrial fibrillation (7.5 +/- 4.1 days), and without (6.5 +/- 4.7 days), p = 0.21. The presence of atrial fibrillation did not prolong hospitalization. Probably, such strategy of prevention would not be cost-effective.


Subject(s)
Atrial Fibrillation/etiology , Hospitalization/statistics & numerical data , Postoperative Complications/epidemiology , Argentina/epidemiology , Atrial Fibrillation/prevention & control , Cardiac Surgical Procedures/adverse effects , Female , Humans , Length of Stay/statistics & numerical data , Male , Middle Aged , Prevalence , Retrospective Studies , Risk Factors
19.
Medicina (B.Aires) ; 70(4): 339-342, ago. 2010. graf, tab
Article in Spanish | LILACS | ID: lil-633763

ABSTRACT

La fibrilación auricular es el trastorno del ritmo más frecuente luego de la cirugía cardíaca. En estudios previos se ha asociado a prolongación de la internación, aumento en los costos e incremento en la mortalidad. El objetivo de este estudio fue conocer la prevalencia de fibrilación auricular en el postoperatorio de cirugía cardíaca y determinar el efecto en el tiempo de estadía hospitalaria. Se analizaron retrospectivamente las historias clínicas de pacientes sometidos a cirugía cardíaca consecutivamente (de revascularización miocárdica, valvulares o ambas) entre enero 2006 y noviembre 2008. El punto final evaluado en el postoperatorio fue la presencia de fibrilación auricular. Se dividió a la muestra en dos grupos según tuvieran o no fibrilación auricular, y se compararon las variables clínicas y el tiempo de estadía hospitalaria. Ciento setenta y dos pacientes fueron operados en este período. Se excluyeron del análisis siete pacientes por falta de datos. La edad media fue 64.2 ± 9.5 años, con predominio del sexo masculino. La fibrilación auricular fue la complicación más frecuente (23.6%). El tiempo promedio de internación fue 6.7 ± 4.6 días. No hubo diferencias relevantes al comparar la estadía hospitalaria entre los grupos con o sin fibrilación auricular, 7.5 ± 4.1 días vs. 6.5 ± 4.7 días respectivamente, p = 0.21. La presencia de fibrilación auricular no prolongó la hospitalización. Probablemente una estrategia de prevención indiscriminada no sería costo-efectiva.


Atrial fibrillation is the most common heart rhythm disorder after cardiac surgery. In previous studies it has been associated with prolonged hospitalization, increased costs and mortality. This study aimed to determine the prevalence of postoperative atrial fibrillation in cardiac surgery and its impact on the hospitalization period. Medical records of consecutive patients undergoing cardiac surgery (coronary artery bypass graft, valvular, or both) between January 2006 and November 2008 were included and retrospectively analyzed. Primary outcome was the presence of postoperative atrial fibrillation. The sample was divided into two groups, with and without atrial fibrillation in the postoperative. The clinical variables and length of hospital stay were compared between both groups. A total of 172 patients underwent surgery in this period. Seven patients were excluded from analysis due to lack of data. The mean age was 64.2 ± 9.5 years, and they were predominantly male. Atrial fibrillation was the most common complication (23.6%). The average length hospital stay was 6.7 ± 4.6 days. There were no significant differences between both groups, with atrial fibrillation (7.5 ± 4.1 days), and without (6.5 ± 4.7 days), p = 0.21. The presence of atrial fibrillation did not prolong hospitalization. Probably, such strategy of prevention would not be cost-effective.


Subject(s)
Female , Humans , Male , Middle Aged , Atrial Fibrillation/etiology , Hospitalization/statistics & numerical data , Postoperative Complications/epidemiology , Argentina/epidemiology , Atrial Fibrillation/prevention & control , Cardiac Surgical Procedures/adverse effects , Length of Stay/statistics & numerical data , Prevalence , Retrospective Studies , Risk Factors
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