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2. Relación del intervalo Tpico-Tfinal de la onda T con trastornos del sistema de conducción en hipertensión arterial

Author

Candia, José C., primary, Centurión, Osmar A., additional, Alderete, José F., additional, Torales, Judith M., additional, Aquino, Nelson J., additional, Miño, Luis M., additional, Scavenius, Karina E., additional, García, Laura B., additional, Cáceres, Cristina, additional, Sequeira, Orlando J., additional, Chávez, Christian O., additional, Martínez, Jorge E., additional, Lovera, Oscar A., additional, and Galeano, E. Javier, additional

Published
2023
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3. Relationship of the T-wave Tpeak-Tend interval with conduction system disorders in arterial hypertension.

Author

Candia, José C., Centurión, Osmar A., Alderete, José F., Torales, Judith M., Aquino, Nelson J., Miño, Luis M., Scavenius, Karina E., García, Laura B., Cáceres, Cristina, Sequeira, Orlando J., Chávez, Christian O., Martínez, Jorge E., Lovera, Oscar A., and Javier Galeano, E.

Subjects
HYPERTENSION, ELECTROCARDIOGRAPHY, MEDIAN (Mathematics), HEART conduction system, CONTROL groups, MEDICAL care, MULTIPLE sclerosis
Abstract

Copyright of Archivos de Cardiología de México is the property of Publicidad Permanyer SLU and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2023
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5. Asociación de la dilatación auricular izquierda con los trastornos del sistema de conducción en pacientes con hipertensión arterial sistémica

Author

Miño, Luis Marcelo, Centurión, Osmar Antonio, Torales, Judith M., García, Laura B., Cáceres, Cristina, Paniagua, María, Lovera, Oscar A., and Martínez, Jorge E.

Subjects
hipertensión arterial, arterial hypertension, Dilatación de la aurícula izquierda, trastornos del sistema de conducción, arritmias cardiacas, cardiac arrhythmias, conduction system disorders, Dilatation of the left atrium
Abstract

RESUMEN La dilatación de la aurícula izquierda (AI) se considera un predictor ecocardiográfico para la remodelación auricular y la fibrilación auricular. Por ende, hemos investigado la correlación existente entre la dilatación de la AI con las arritmias cardíacas y los trastornos del sistema de conducción en pacientes con hipertensión arterial (HTA). En este estudio observacional y prospectivo hemos investigado las variaciones electrocardiográficas, mediciones ecocardiográficas y Holter ECG de 24 hs en pacientes hipertensos y no hipertensos ambulatoria y hospitalizados que acuden a un hospital terciario entre marzo a septiembre del 2018. Se estudiaron 104 pacientes, 65 hipertensos conocidos y 39 no hipertensos como grupo control. El diámetro promedio de la AI fue significativamente mayor (p=0,03) en pacientes hipertensos que los no hipertensos (37±8 mm vs. 34±5 mm). Se encontró una asociación significativa entre hipertensión y la aurícula izquierda dilatada (>40 mm) (p= 0,026 OR: 3,25 IC95%: 1,01-11,02). La dilatación de la AI tuvo una especificidad de 73% y un valor predictivo negativo de 98% relacionado con la presencia de trastornos del sistema de conducción y arritmias cardiacas en pacientes con HTA. Se encontró asociación entre la hipertensión arterial y la dilatación de la aurícula izquierda. La dilatación de la aurícula izquierda tiene una elevada especificidad y un alto valor predictivo negativo en la detección de la presencia de prolongación del intervalo QT, ensanchamiento del complejo QRS, dispersión de la onda P, y trastornos del sistema de conducción y arritmias cardiacas en pacientes con hipertensión arterial.

Published
2019

7. Percepción de imagen corporal como factor condicionante del índice de masa corporal en médicos residentes del Hospital de Clínicas

Author

Torales, Judith M., Aquino, Nelson J., García, Laura B., Scavenius, Karina E., Sequeira, Orlando R., Miño, Luis M., Giménez, María Belén, and Centurión, Osmar Antonio

Subjects
Medical residents, Percepción de imagen corporal, Médicos residentes, Body image perception, Índice de masa corporal, Body mass index
Abstract

RESUMEN Uno de los factores condicionantes del peso corporal es la percepción que la persona tiene de su imagen corporal. El objetivo fue conocer la percepción de imagen corporal según el índice de masa corporal (IMC) en 107 Médicos Residentes del Hospital de Clínicas.Se utilizó un diseño observacional descriptivo de corte transverso. Se exploraron las variables edad, sexo, circunferencia abdominal, peso, talla, IMC, percepción del peso corporal. La circunferencia abdominal fue de riesgo elevado en 37% de los varones y en 16% de las mujeres, de riesgo muy elevado en 13% de varones y en 29% de las mujeres (p=0,009). En cuanto al IMC la media fue de 25,7±4,6; estando en peso normal el 45% y en sobrepeso el 43%. Se encontró más mujeres con peso normal (63% vs 28%). Los varones presentan más sobrepeso (61% vs 28%) (p=0,0009). En cuanto a la percepción del peso corporal se perciben con obesidad 23%; con sobrepeso 47% y con peso normal 28%. Cruzando los datos con los IMC verdaderos, tenemos que el 43% no tiene la percepción real de acuerdo a su IMC. La concordancia en cuanto a IMC real y la percepción es del 63%. Casi la mitad de los residentes estudiados no tiene la percepción real de acuerdo a su IMC. La percepción de obesidad es mayor en mujeres que en hombres acorde a su IMC real. Se requiere de más investigaciones en referencia al tema aplicándolo a toda la población del hospital para crear medidas educativas de oportuna intervención en la salud del personal sanitario. ABSTRACT The perception of their own body image that a person has is a conditioning factor of the body weight. We aimed to know the perception of body image assessing the body mass index (BMI) in 107 medical residents of the Clinical Hospital. We utilized a descriptive observational design to evaluate multiple variables like gender, age, abdominal diameter, weight, height, body mass index, and perception of body weight. The abdominal diameter was of high risk in 37% of males and 16% in females, and of very high risk in 13% of males and in 29% of females (p=0,009). The medium BMI was 25,7±4,6. There was a normal BMI in 45% of the subjects and overweight in 43%. There were more female with normal weight than male (63% vs 28%), and there were more overweight male than female (61% vs 28%) (p=0,0009). Considering the perception of body weight, 23% perceive themselves to be obese, 47% with overweight, and 28% with normal body weight. Comparing this perception with real BMI, we observed that 43% of the subjects do not have a real perception according to the BMI. The agreement between real BMI and the image perception is 63%. Almost half of the medical residents studied do not have a real body weight perception according to BMI. The perception of obesity is greater in women than in men according to the real BMI. There is a necessity of larger studies including the total population of the hospital to create educational measures for timely intervention in the health of hospital personal.

Published
2018

11. Association of QRS Complex Fragmentation with QT Interval Prolongation in Patients with Ischemic Heart Disease.

Author

AQUINO, NELSON J., CENTURIÓN, OSMAR ANTONIO, TORALES, JUDITH M., MIÑO, LUÍS M., SCAVENIUS, KARINA E., ALDERETE, JOSÉ F., CANDIA, JOSÉ C., GARCÍA, LAURA B., CÁCERES, CRISTINA, MARTÍNEZ, JORGE E., and LOVERA, OSCAR A.

Subjects
CORONARY disease, CARDIAC patients, VENTRICULAR arrhythmia, HYPERTROPHIC cardiomyopathy, SUDDEN death
Abstract

Background: The fragmented QRS complex (FQRS) was found to be associated to malignant ventricular arrhythmias and sudden death in patients with hypertrophic cardiomyopathy and other entities. There is scant data available correlating the presence of FQRS with QT interval prolongation in patients with ischemic heart disease (IHD). Methods: A descriptive, retrospective, cross-sectional study was performed in 123 patients with IHD to analyze and correlate the presence of FQRS with QT interval prolongation in the conventional 12-leads electrocardiogram in patients with documented chronic IHD. Results: There were 62% male patients. The mean age was 63.8±12.6 years. Thirty six (44%) patients had fragmented QRS (64% men and 36% women). The duration of QT and QTc, the mean values were 413±59ms, and 463±67ms, respectively. Of the 36 patients with FQRS, 23 patients have prolongation of the QTc interval, and 13 patients did not present it. Of the 45 patients without FQRS, 21 of them have prolongation of the QTc interval, and 24 patients did not have it. These data resulted in a sensitivity of 52% with a moderate SnNout, a specificity of 65% with moderate SpPin, a positive predictive accuracy of 64%, a negative predictive accuracy of 53%. These data resulted in a prevalence of 54%. Conclusion: the presence of FQRS in the ECG has a moderate sensitivity and specificity, as well as, moderate negative and positive predictive value of the existence of QT interval prolongation in patients with ischemic heart disease. [ABSTRACT FROM AUTHOR]

Published
2019
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13. The Association Between Atrial Fibrillation and Endurance Physical Activity: How Much is Too Much?

Author

Antonio Centurión, Osmar, Candia, José C., Scavenius, Karina E., García, Laura B., Torales, Judith M., and Marcelo Miño, Luís

Subjects
*PHYSICAL fitness, *PHYSICAL activity, *ENDURANCE athletes, *ATRIAL fibrillation, *EXERCISE, *ELITE athletes, *ATRIAL arrhythmias
Abstract

Atrial fibrillation (AF) is the most common arrhythmia in middle-aged athletes. Physical exercise performed in a regular basis has been shown to be beneficial for cardiovascular health. Moderate physical exercise, aside from producing a nice, peaceful and well-being sensation, has been associated with a reduced risk of AF. However, more strenuous endurance exercise, like the one experiencing marathon runners, seems to increase the risk of AF in healthy athletes without organic heart disease. On the other hand, low physical activity was found to be a risk factor for the appearance of AF. Nevertheless, the relationship of exercise to AF is complex, influenced by the intensity and the duration of the physical activity, and seems to have a U-shaped relationship with the greatest levels of physical activity possibly increasing AF incidence. There is cumulative data associating moderate physical activity to reduced AF incidence, hence physicians should recommend moderate exercise training to patients with AF. This may not only reduce AF risk, but would also contribute to an overall cardiovascular benefit. However, since there is also important data suggesting significant increased incidence of AF in elite athletes with long-term endurance physical activity, it may be a serious concern to go to the extreme. In most things in life it is much better and wiser to be well balanced, always in equilibrium. [ABSTRACT FROM AUTHOR]

Published
2019
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14. The Association Between Atrial Fibrillation and Endurance Physical Activity: How Much is too Much?

Author

Centurión OA, Candia JC, Scavenius KE, García LB, Torales JM, and Miño LM

Abstract

Atrial fibrillation (AF) is the most common arrhythmia in middle-aged athletes. Physical exercise performed in a regular basis has been shown to be beneficial for cardiovascular health. Moderate physical exercise, aside from producing a nice, peaceful and well-being sensation, has been associated with a reduced risk of AF. However, more strenuous endurance exercise, like the one experiencing marathon runners, seems to increase the risk of AF in healthy athletes without organic heart disease. On the other hand, low physical activity was found to be a risk factor for the appearance of AF. Nevertheless, the relationship of exercise to AF is complex, influenced by the intensity and the duration of the physical activity, and seems to have a U-shaped relationship with the greatest levels of physical activity possibly increasing AF incidence. There is cumulative data associating moderate physical activity to reduced AF incidence, hence physicians should recommend moderate exercise training to patients with AF. This may not only reduce AF risk, but would also contribute to an overall cardiovascular benefit. However, since there is also important data suggesting significant increased incidence of AF in elite athletes with long-term endurance physical activity, it may be a serious concern to go to the extreme. In most things in life it is much better and wiser to be well balanced, always in equilibrium.

Published
2019
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