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        "resumen" => "Introduction. Left ventricular hypertrophy (LVH) is the main expression of uremic cardiomyopathy. Alteration of the diastolic function is frequently associated with LVH, indicating future cardiovascular events. Recent studies suggest that the Tissue Doppler (TID) of the mitral annulus obtains parameters of diastolic function that are not influenced by other factors, unlike what occurs with the pulsed Doppler (PD), and that the relationship between the velocity of the proto-diastolic waves of both techniques (E/E¿) would be the most important datum to diagnose a diastolic malfunction. The objective of this study is to verify LVH prevalence in a population of End Stage Renal Disease patients (ESRD) in peritoneal dialysis (CAPD), and to study diastolic function, comparing the results of both techniques (PD/TID), as well as the possible causes that determine the appearance of diastolic malfunction in these patients. Patients and methods. We carried out a cross-section study with 42 patients in peritoneal dialysis. All patients had an ejection fraction of over 50% and had no clinical signs of heart failure, valvular heart disease or arrhytmia. A basic biochemistry, residual renal function, C-reactive protein and an ultrasonic study with M-mode doppler, pulsed doppler and tissue doppler of the mitral annulus, were performed in all patients. Results. 26.2% of the patients had a concentric LVH, 14.3% an asymmetric LVH and 23.8% a concentric growth. The PD showed an E/A ratio under 0.75 in 20 cases (which would indicate an alteration of ventricular relaxation), an E/A between 0.75 and 1.5 in 22 (normal or pseudonormal pattern) and none with an E/A over 1.5. On the other hand, the TID showed: 24 patients with an E/A < 0.75, 16 between 0.75 and 1.5, and 2 with an E/A > 1.5. The E/E¿ proportion was normal in 13 cases( < 8), intermediate in 12 (8-10), and greater than 10 in 17, expressing a clear diastolic malfunction. Twelve of the 17 with diastolic malfunction had a pseudo-normal pattern with the PD. A relationship was observed between the E/A and age and hs-CRP. A relationship was also found between RRF, ejection fraction and diastolic pressure (p = 0.03, r = 0.32 and p = 0.006, r = 0.29), while, in the multivariant study, the presence of LVH was the only variable with enough significance to influence the diastolic malfunction (odds ratio of 7.6). Conclusions. Patients in CAPD have a high incidence of diastolic malfunction. LVH, present in a high percentage of patients, is one of the factors that favours its appearance. The non-invasive TID technique and the E/E¿ ratio have shown to be more sensitive than the PD in diagnosing a diastolic malfunction. "
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        "resumen" => "INTRODUCCION. La hipertrofia ventricular izquierda (HVI) es la expresión principal de la miocardiopatía urémica. La disfunción diastólica se asocia frecuentemente con dicha hipertrofia prediciendo futuros eventos cardiovasculares. Estudios recientes sugieren que el doppler tisular (DTI) del anillo mitral obtiene parámetros de función diastólica que no se influyen por otros factores, como ocurre con el doppler pulsado (DP) y que la relación entre la velocidad de la onda protodiastólica entre ambas técnicas (E/E´) podría ser un dato de gran importancia para el diagnóstico de disfunción diastólica. El objetivo de este estudio es verificar la prevalencia de HVI en una población de pacientes con enfermedad renal crónica (ERC) estadio 5 en tratamiento con diálisis peritoneal y estudiar la función diastólica comparando los resultados de ambas técnicas (DP/DTI), así como las posibles causas que determinan la aparición de disfunción diastólica en estos pacientes. PACIENTES Y METODOS. Se realiza un estudio transversal en 42 pacientes en diálisis peritoneal. Todos los pacientes tenían una fracción de eyección superior al 50% y no presentaban signos clínicos de insuficiencia cardiaca, enfermedad valvular o arritmia. En todos los casos se realizó un estudio bioquímico básico, medición de la función renal residual (aclaramiento promedio de urea y creatinina), PCR ultrasensible (PCR) y un estudio con doppler en modo M, doppler pulsado y doppler tisular del anillo mitral. RESULTADOS. El 26.2% de los pacientes presentaban una hipertrofia concéntrica, el 14.3% hipertrofia excéntrica y el 23.8% remodelado concéntrico. El DP mostró un cociente E/A menor de 0.75 en 20 casos (alteración de la relajación ventricular), en 22 casos un E/A entre 0.75 y 1.5 (patrón normal o pseudonormal) y en ningún caso el E/A era mayor de 1.5. Por otra parte, el DTI mostró en 24 pacientes un cociente E/A menor de 0.75, en 16 entre 0.75 y 1.5 y en 2 un cociente mayor de 1.5. El cociente E/E´ fue normal en 13 casos, intermedio en 12 y mayor de 10 en 17, expresando una clara disfunción diastólica. Se descubrió una relación significativa entre la función renal residual (FRR), la fracción de eyección y la presión arterial diastólica, mientras que en el estudio multivariante la HVI fue la única variable independiente significativa en relación a la disfunción diastólica (odds ratio 7.6). CONCLUSIONES. En nuestra población de pacientes en diálisis peritoneal se observó una alta incidencia de disfunción diastólica. La HVI, presente en un alto porcentaje de pacientes, es uno de los factores que favorecen su aparición. La técnica no invasiva DTI y el cociente E/E´ se han mostrado más sensibles que el DP en el diagnóstico de la disfunción diastólica. "
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Study of diastolic function in peritoneal dialysis patientes. Comparation between pulsed and tissue doppler
Estudio de la función diastólica en pacientes en diálisis peritoneal. Comparación entre doppler pulsado y tisular
Araceli Roselló, Isidro Torregrosa, Miguel Angel Solis, Jaime Muñoz, Belen Pascual, Rafael García, María Jesús Puchades, Alfonso Mig
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        "resumen" => "Introduction. Left ventricular hypertrophy (LVH) is the main expression of uremic cardiomyopathy. Alteration of the diastolic function is frequently associated with LVH, indicating future cardiovascular events. Recent studies suggest that the Tissue Doppler (TID) of the mitral annulus obtains parameters of diastolic function that are not influenced by other factors, unlike what occurs with the pulsed Doppler (PD), and that the relationship between the velocity of the proto-diastolic waves of both techniques (E/E¿) would be the most important datum to diagnose a diastolic malfunction. The objective of this study is to verify LVH prevalence in a population of End Stage Renal Disease patients (ESRD) in peritoneal dialysis (CAPD), and to study diastolic function, comparing the results of both techniques (PD/TID), as well as the possible causes that determine the appearance of diastolic malfunction in these patients. Patients and methods. We carried out a cross-section study with 42 patients in peritoneal dialysis. All patients had an ejection fraction of over 50% and had no clinical signs of heart failure, valvular heart disease or arrhytmia. A basic biochemistry, residual renal function, C-reactive protein and an ultrasonic study with M-mode doppler, pulsed doppler and tissue doppler of the mitral annulus, were performed in all patients. Results. 26.2% of the patients had a concentric LVH, 14.3% an asymmetric LVH and 23.8% a concentric growth. The PD showed an E/A ratio under 0.75 in 20 cases (which would indicate an alteration of ventricular relaxation), an E/A between 0.75 and 1.5 in 22 (normal or pseudonormal pattern) and none with an E/A over 1.5. On the other hand, the TID showed: 24 patients with an E/A < 0.75, 16 between 0.75 and 1.5, and 2 with an E/A > 1.5. The E/E¿ proportion was normal in 13 cases( < 8), intermediate in 12 (8-10), and greater than 10 in 17, expressing a clear diastolic malfunction. Twelve of the 17 with diastolic malfunction had a pseudo-normal pattern with the PD. A relationship was observed between the E/A and age and hs-CRP. A relationship was also found between RRF, ejection fraction and diastolic pressure (p = 0.03, r = 0.32 and p = 0.006, r = 0.29), while, in the multivariant study, the presence of LVH was the only variable with enough significance to influence the diastolic malfunction (odds ratio of 7.6). Conclusions. Patients in CAPD have a high incidence of diastolic malfunction. LVH, present in a high percentage of patients, is one of the factors that favours its appearance. The non-invasive TID technique and the E/E¿ ratio have shown to be more sensitive than the PD in diagnosing a diastolic malfunction. "
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        "resumen" => "INTRODUCCION. La hipertrofia ventricular izquierda (HVI) es la expresión principal de la miocardiopatía urémica. La disfunción diastólica se asocia frecuentemente con dicha hipertrofia prediciendo futuros eventos cardiovasculares. Estudios recientes sugieren que el doppler tisular (DTI) del anillo mitral obtiene parámetros de función diastólica que no se influyen por otros factores, como ocurre con el doppler pulsado (DP) y que la relación entre la velocidad de la onda protodiastólica entre ambas técnicas (E/E´) podría ser un dato de gran importancia para el diagnóstico de disfunción diastólica. El objetivo de este estudio es verificar la prevalencia de HVI en una población de pacientes con enfermedad renal crónica (ERC) estadio 5 en tratamiento con diálisis peritoneal y estudiar la función diastólica comparando los resultados de ambas técnicas (DP/DTI), así como las posibles causas que determinan la aparición de disfunción diastólica en estos pacientes. PACIENTES Y METODOS. Se realiza un estudio transversal en 42 pacientes en diálisis peritoneal. Todos los pacientes tenían una fracción de eyección superior al 50% y no presentaban signos clínicos de insuficiencia cardiaca, enfermedad valvular o arritmia. En todos los casos se realizó un estudio bioquímico básico, medición de la función renal residual (aclaramiento promedio de urea y creatinina), PCR ultrasensible (PCR) y un estudio con doppler en modo M, doppler pulsado y doppler tisular del anillo mitral. RESULTADOS. El 26.2% de los pacientes presentaban una hipertrofia concéntrica, el 14.3% hipertrofia excéntrica y el 23.8% remodelado concéntrico. El DP mostró un cociente E/A menor de 0.75 en 20 casos (alteración de la relajación ventricular), en 22 casos un E/A entre 0.75 y 1.5 (patrón normal o pseudonormal) y en ningún caso el E/A era mayor de 1.5. Por otra parte, el DTI mostró en 24 pacientes un cociente E/A menor de 0.75, en 16 entre 0.75 y 1.5 y en 2 un cociente mayor de 1.5. El cociente E/E´ fue normal en 13 casos, intermedio en 12 y mayor de 10 en 17, expresando una clara disfunción diastólica. Se descubrió una relación significativa entre la función renal residual (FRR), la fracción de eyección y la presión arterial diastólica, mientras que en el estudio multivariante la HVI fue la única variable independiente significativa en relación a la disfunción diastólica (odds ratio 7.6). CONCLUSIONES. En nuestra población de pacientes en diálisis peritoneal se observó una alta incidencia de disfunción diastólica. La HVI, presente en un alto porcentaje de pacientes, es uno de los factores que favorecen su aparición. La técnica no invasiva DTI y el cociente E/E´ se han mostrado más sensibles que el DP en el diagnóstico de la disfunción diastólica. "
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Article information
ISSN: 20132514
Original language: English
DOI:
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