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The upper limb arterial variations are justified by the embryological origin of all the limb. The birth of the radial artery above the joint line of the elbow is one of the most frequent anomalies and its importance is increasing in percutaneous procedures on the radial artery, in coronary catheterizations and the increasingly used of the ra- dial flap in reconstructive surgery. Its superficial way favors injuries and the possibility of confusion with veins that can cause accidental drug performing injections in these arteries with serious consequences. Knowledge of arterial variations of the upper limb, especially the radial artery presented in this research, is essential when planning clinical and surgical approaches that involves them.
Introducción. La insuficiencia cardiaca continúa siendo un problema de alta prevalencia a nivel mundial. Su mortalidad ha descendido entre otras causas gracias al avance de los soportes circulatorios mecánicos. Un parámetro clave a tener en cuenta cuando se utilizan estos dispositivos es la presión arterial. En ocasiones debido a una disminución de la pulsatilidad arterial es necesario medir la presión arterial utilizando la técnica Doppler. El objetivo del estudio fue determinar la correlación entre la medición de la presión arterial invasiva y el método Doppler en pacientes portadores de asistencia ventricular de corta duración relacionada con la apertura o no de la válvula aórtica. Material y métodos. Estudio descriptivo, prospectivo y comparativo entre la presión arterial invasiva y la presión arterial determinada con Doppler de los pacientes portadores de asistencia ventricular de corta duración. La muestra de estudio fueron 20 pacientes, con un total de 80 mediciones durante 18 meses. Para el análisis de los resultados se utilizó el programa estadístico SPSS. Resultados. Se obtuvo una correlación de Pearson entre la presión arterial sistólica invasiva y la presión arterial medida con Doppler de 0,937 y un r2 de 0,878 mientras la válvula aórtica estaba abierta; con ella cerrada la correlación entre ambas presiones fue de 0,897 y un r2 de 0,804. Discusión. Existe una alta correlación entre ambas técnicas, lo que nos lleva a pensar en una posible retirada precoz del catéter arterial para promover la independencia y el bienestar del paciente evitando posibles complicaciones del mismo. Palabras clave: insuficiencia cardiaca, trasplante de corazón, dispositivo de asistencia cardíaca, presión arterial, análisis de la onda de pulso, cuidados intensivos, atención de enfermeria, ultrasonografía doppler. Measuring blood pressure with Doppler in patients with short-term ventricular assist device Abstract Introduction. Heart failure continues to be a highly prevalent problem worldwide. Its mortality has decreased thanks, among other causes, to the advancement of mechanical circulatory supports. A key parameter to consider when using these devices is blood pressure. Sometimes, due to a decrease in arterial pulsatility, it is necessary to measure blood pressure using the Doppler technique. The objective of the study was to determine the correlation between invasive blood pressure measuring or measurement via the Doppler method in patients with a short-term ventricular assist device depending on the opening or not of the aortic valve. Material and methods. Descriptive, prospective, and comparative study between invasive blood pressure and blood pressure determined with Doppler in patients with a short-term ventricular assist device. The study sample consisted of 20 patients, with a total of 80 measurements over 18 months. For the analysis of the results, the SpSS statistical program was used. Results. A Pearson‘s correlation between invasive systolic blood pressure and Doppler blood pressure of 0.937 and r2 of 0.878 was obtained while the aortic valve was open; when closed, the correlation between both pressures was 0.897 with an r2 of 0.804. Discussion. There is a high correlation between both techniques, leading us to think about possible early removal of the arterial catheter to promote the independence and well-being of the patient, avoiding possible complications. Keywords: heart failure, heart transplantion, heart-assist devices, blood pressure, pulse wave analysis, intensive care, nursing care, doppler ultrasonography. Enferm Cardiol. 2022; 29 (87): 11-15
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