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      Evaluation of transfusion-related hemodynamic parameters in patients with beta-thalassemia major by ambulatory blood pressure monitoring method

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          Abstract

          Abstract Introduction: There are very few studies on the effects of regular blood transfusions on the hemodynamic organization of patients with Beta-Thalassemia Major (BTM). Ambulatory Blood Pressure Monitoring is method that evaluates fluctuations in day-night periods and life cycle changes. In this study, we aimed to investigate the effects of blood transfusion on hemodynamic parameters by the Ambulatory Blood Pressure Monitoring method on the day of transfusion in patients with a diagnosis of Beta-Thalassemia Major. Material and Methods: This study was conducted in patients who were followed up with a diagnosis of BTM between June 2020 and July 2020. The study consisted of 30 patients. The blood pressure of the patients was measured by auscultation method on the morning of the day when they received routine red blood cell transfusion treatments, and the patients were fitted with an Ambulatory Blood Pressure Monitoring device. With Ambulatory Blood Pressure Monitoring, mean systolic blood pressure, diastolic blood pressure, heart rate, mean arterial pressure, values were calculated for each patient. Statistical analysis was performed by the IBM SPSS Statistics 21 package program. The significance limit for the p-value was accepted as <0.05. Results: There was a significant difference in mean systolic blood pressure and heart rate values between pre-transfusion, transfusion, and post-transfusion periods. In our study, the rate of white coat hypertension was 8.3%, and the rate of masked hypertension was 4.1%. It was observed that 67% of the patients were non-dippers, and the blood pressure burden of one patient was more than 25%. Conclusions: Measurement of hemodynamic parameters with Ambulatory Blood Pressure Monitoring is the gold standard in terms of detection and follow-up of non-dipper patients, indicating increased cardiovascular risk. In practice, Ambulatory Blood Pressure Monitoring should be used more in the follow-up of chronic patients.

          Translated abstract

          Resumen Introducción: Existen muy pocos estudios sobre los efectos de las transfusiones de sangre periódicas sobre la organización hemodinámica de los pacientes con Beta-Talasemia Mayor (BTM). La monitorización ambulatoria de la presión arterial es un método que evalúa las fluctuaciones en los períodos diurnos y nocturnos y los cambios en el ciclo de vida. En este estudio, nuestro objetivo fue investigar los efectos de la transfusión de sangre sobre los parámetros hemodinámicos mediante el método de Monitoreo Ambulatorio de la Presión Arterial el día de la transfusión en pacientes con diagnóstico de Beta-Talasemia Mayor. Material y métodos: Este estudio se realizó en pacientes que fueron seguidos con un diagnóstico de BTM entre junio de 2020 y julio de 2020. El estudio consistió en 30 pacientes. La presión arterial de los pacientes se midió mediante el método de auscultación en la mañana del día en que recibieron los tratamientos de transfusión de glóbulos rojos de manera rutinaria, y los pacientes fueron equipados con un dispositivo de monitoreo ambulatorio de la presión arterial. Con la monitorización ambulatoria de la presión arterial, se calcularon los valores de la presión arterial sistólica media, la presión arterial diastólica, la frecuencia cardíaca y la presión arterial media de cada paciente. El análisis estadístico se realizó mediante el programa de paquete IBM SPSS Statistics 21. El límite de significación para el valor p se aceptó como <0,05. Resultados: Hubo una diferencia significativa en la presión arterial sistólica media y los valores de frecuencia cardíaca entre los períodos de pretransfusión, transfusión y postransfusión. En nuestro estudio, la tasa de hipertensión de bata blanca fue del 8,3% y la tasa de hipertensión enmascarada fue del 4,1%. Se observó que el 67% de los pacientes eran no dippers y la carga de presión arterial de un paciente era superior al 25%. Conclusiones: La medición de parámetros hemodinámicos con monitorización ambulatoria de la presión arterial es el estándar de oro en términos de detección y seguimiento de pacientes no dipper, lo que indica un mayor riesgo cardiovascular. En la práctica, la monitorización ambulatoria de la presión arterial debería utilizarse más en el seguimiento de pacientes crónicos.

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          Most cited references31

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          Clinical Practice Guideline for Screening and Management of High Blood Pressure in Children and Adolescents

          These pediatric hypertension guidelines are an update to the 2004 "Fourth Report on the Diagnosis, Evaluation, and Treatment of High Blood Pressure in Children and Adolescents." Significant changes in these guidelines include (1) the replacement of the term "prehypertension" with the term "elevated blood pressure," (2) new normative pediatric blood pressure (BP) tables based on normal-weight children, (3) a simplified screening table for identifying BPs needing further evaluation, (4) a simplified BP classification in adolescents ≥13 years of age that aligns with the forthcoming American Heart Association and American College of Cardiology adult BP guidelines, (5) a more limited recommendation to perform screening BP measurements only at preventive care visits, (6) streamlined recommendations on the initial evaluation and management of abnormal BPs, (7) an expanded role for ambulatory BP monitoring in the diagnosis and management of pediatric hypertension, and (8) revised recommendations on when to perform echocardiography in the evaluation of newly diagnosed hypertensive pediatric patients (generally only before medication initiation), along with a revised definition of left ventricular hypertrophy. These guidelines include 30 Key Action Statements and 27 additional recommendations derived from a comprehensive review of almost 15 000 published articles between January 2004 and July 2016. Each Key Action Statement includes level of evidence, benefit-harm relationship, and strength of recommendation. This clinical practice guideline, endorsed by the American Heart Association, is intended to foster a patient- and family-centered approach to care, reduce unnecessary and costly medical interventions, improve patient diagnoses and outcomes, support implementation, and provide direction for future research.
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            Relationship between central sympathetic activity and stages of human hypertension.

            The magnitude of sympathetic hyperactivity in essential hypertension (EHT) varies with its severity and complications. There are no data on sympathetic nerve activity in borderline (BHT) or white-coat hypertension (WHT) relative to the various stages of EHT, despite suggestions that both lead to established EHT and organ damage through sympathetic mechanisms. We planned to determine the magnitude of sympathetic nerve activity in patients with BHT and WHT in relation to normality and various stages of sustained EHT. We examined 90 untreated subjects comprising matched groups with BHT (n = 13), WHT (n = 12), Sixth Report of the Joint National Committee on the Prevention, Detection, Evaluation, and Treatment of High Blood Pressure EHT stage 1 (EHT-1 n = 12), EHT stages 2 and 3 (EHT-2/3 n = 14), high-normal pressure (HN n = 14), and normal pressure (NT n = 13), as well as a group with EHT complicated by left ventricular hypertrophy (EHT+LVH n = 12). We quantified muscle sympathetic nerve activity as the mean frequency of multiunit discharge (MSNA) and that of single-units (s-MSNA). We found a greater (at least P <.01) mean central sympathetic frequency in BHT (75 +/- 5.8 impulses/100 beats), EHT-1 (76 +/- 4.0 impulses/100 beats), and EHT+LVH (79 +/- 4.3 impulses/100 beats) than in EHT-2/3 (57 +/- 3.1 impulses/100 beats), WHT (52 +/- 3.6 impulses/100 beats), HN (42 +/- 3.9 impulses/100 beats), and NT (33 +/- 3.6 impulses/100 beats). BHT hyperactivity was closer to that of EHT, whereas WHT was closer to NT. Central sympathetic activity was greatest in BHT, early stage, and complicated EHT, and as such is likely to play an integral role in the development of hypertension and its complications. Sympathetic hyperactivity occurs in WHT, but to a lesser extent than in BHT.
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              The hemodynamic response to chronic anemia.

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                Author and article information

                Journal
                ijm
                Iberoamerican Journal of Medicine
                Iberoam J Med
                Hospital San Pedro (Logroño, La Rioja, Spain )
                2695-5075
                2695-5075
                2021
                : 3
                : 3
                : 187-195
                Affiliations
                [1] Istanbul Punjab orgnameUniversity of Health Sciences orgdiv1Istanbul Prof.Dr. Cemil Taşçıoğlu City Hospital orgdiv2Department of Pediatrics Pakistan
                [2] Istanbul orgnameIstanbul University orgdiv1Institute of Child Health orgdiv2Department of Pediatric Basic Sciences, Adolesance Health Turkey
                [3] Istanbul Punjab orgnameUniversity of Health Sciences orgdiv1Istanbul Prof.Dr. Cemil Taşçıoğlu City Hospital orgdiv2Department of Pediatrics Pakistan
                Article
                S2695-50752021000300003 S2695-5075(21)00300300003
                10.5281/zenodo.4722801
                58127c73-627e-4ce2-a3af-6ac7741ccfbd

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 22 March 2021
                : 24 April 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 31, Pages: 9
                Product

                SciELO Spain


                Presión arterial,Non-dipper,Thalassemia,Blood pressure,Transfusion,Transfusión,Talasemia,No-dipper

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