Utilidad del calcio coronario en la evaluación previa a cirugía cardiaca valvular.

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Title: Utilidad del calcio coronario en la evaluación previa a cirugía cardiaca valvular.
Alternate Title: Usefulness of coronary calcium in evaluation prior to heart valve surgery.
Authors: Berríos-Bárcenas, E.1 berrios.md@gmail.com, Palacios, E.1, Meave-González, A.1, Laínez-Zelaya, J.2, Alexanderson-Rosas, E.3
Source: Anales de Radiologia, Mexico. abr-jun2014, Vol. 13 Issue 2, p88-93. 6p.
Abstract (English): Background: although coronary calcium has predictive value in the general population, in patients who are to undergo surgery for heart valve disease its true usefulness is unknown. Objective: to determine the utility of coronary calcium assessment prior to valve surgery. Material and methods: a dynamic cohort study which included patients over 35 years of age, of indistinct gender, with surgical valve disease. Subjects underwent measurements of calcium and coronary angiotomography as part of their evaluation prior to surgery. Subjects with obstructive coronary lesions (stenosis > 50%) underwent invasive coronarography. Results: from March 2010 through July 2013, 115 patients at Instituto Nacional de Cardiología Ignacio Chavez in Mexico City were included, prospectively. The average age was 54.5 ± 11.4 years. Low prevalence of cardiovascular risk factors and predominance of aortic etiology was observed. Coronary calcium was below 100 Agatston units (AU), cardiovascular risk low, in 90% of the population, the same as for prevalence of obstructive coronary lesions (10%). The cutoff point of 120 AU showed ABC = 0.95 to predict significant coronary lesions. The need for invasive coronarography and revascularization was greater in the group with coronary calcium ≥ 120 AU (p < 0.001 ). Conclusion: in the evaluation prior to heart valve surgery a coronary calcium score ≥ 120 AU is associated with a higher likelihood of requiring invasive coronarography or revascularization; it is, therefore, a useful parameter to decide to continue with angiotomography or refer the patient directly to coronarography. This could result in lower costs and exposure to ionizing radiation and contrast medium. [ABSTRACT FROM AUTHOR]
Abstract (Spanish): Antecedentes: aunque el calcio coronario tiene valor pronóstico en la población general, en los pacientes que serán operados por enfermedad cardiaca valvular no se conoce su verdadera utilidad. Objetivo: determinar la utilidad del calcio coronario en la evaluación previa a la cirugía cardiaca valvular. Material y métodos: estudio de cohorte dinámica que incluyó pacientes mayores de 35 años de edad, de género indistinto, con enfermedad valvular quirúrgica evaluados entre marzo de 2010 y julio de 2013 en el Instituto Nacional de Cardiología Ignacio Chávez. Se les practicaron medición de calcio y angiotomografía coronaria como parte de su evaluación previa a la cirugía. A los pacientes con lesiones coronarias obstructivas (estenosis ≥ 50%) se les efectuó coronariografía invasiva. Resultados: se incluyeron, prospectivamente, 115 pacientes con edad promedio de 54.5 ± 11.4 años. Se observó baja prevalencia de factores de riesgo cardiovascular y predominio de etiología aórtica. El calcio coronario fue menor de 100 unidades Agatston (UA), riesgo cardiovascular bajo, en 90% de la población, lo mismo que la prevalencia de lesiones coronarias obstructivas (10%). El punto de corte de 120 UA mostró ABC = 0.95 para predecir lesiones coronarias significativas. La necesidad de coronariografía invasiva y revascularización fue mayor en el grupo con calcio coronarios ≥ 120 UA (p < 0.001). Conclusión: en la evaluación previa a la cirugía cardiaca valvular un puntaje de calcio coronario ≥ 120 UA se asocia con mayor probabilidad de requerir coronariografía invasiva o revascularización; es, por lo tanto, un parámetro útil para decidir continuar con la angiotomografía o referir al paciente directamente a coronariografía. Esto podría significar menores costos y menos exposición a radiación ionizante y a medios de contraste. [ABSTRACT FROM AUTHOR]
Copyright of Anales de Radiologia, Mexico is the property of Sociedad Mexicana de Radiologia e Imagen A.C. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. 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.)
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  Data: Utilidad del calcio coronario en la evaluaci&#243;n previa a cirug&#237;a cardiaca valvular.
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  Data: Usefulness of coronary calcium in evaluation prior to heart valve surgery.
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  Data: &lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Berr&#237;os-B&#225;rcenas%2C+E%2E%22&quot;&gt;Berr&#237;os-B&#225;rcenas, E.&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt;&lt;i&gt; berrios.md@gmail.com&lt;/i&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Palacios%2C+E%2E%22&quot;&gt;Palacios, E.&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Meave-Gonz&#225;lez%2C+A%2E%22&quot;&gt;Meave-Gonz&#225;lez, A.&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22La&#237;nez-Zelaya%2C+J%2E%22&quot;&gt;La&#237;nez-Zelaya, J.&lt;/searchLink&gt;&lt;relatesTo&gt;2&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Alexanderson-Rosas%2C+E%2E%22&quot;&gt;Alexanderson-Rosas, E.&lt;/searchLink&gt;&lt;relatesTo&gt;3&lt;/relatesTo&gt;
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22Anales+de+Radiologia%2C+Mexico%22&quot;&gt;Anales de Radiologia, Mexico&lt;/searchLink&gt;. abr-jun2014, Vol. 13 Issue 2, p88-93. 6p.
– Name: Abstract
  Label: Abstract (English)
  Group: Ab
  Data: Background: although coronary calcium has predictive value in the general population, in patients who are to undergo surgery for heart valve disease its true usefulness is unknown. Objective: to determine the utility of coronary calcium assessment prior to valve surgery. Material and methods: a dynamic cohort study which included patients over 35 years of age, of indistinct gender, with surgical valve disease. Subjects underwent measurements of calcium and coronary angiotomography as part of their evaluation prior to surgery. Subjects with obstructive coronary lesions (stenosis &gt; 50%) underwent invasive coronarography. Results: from March 2010 through July 2013, 115 patients at Instituto Nacional de Cardiolog&#237;a Ignacio Chavez in Mexico City were included, prospectively. The average age was 54.5 &#177; 11.4 years. Low prevalence of cardiovascular risk factors and predominance of aortic etiology was observed. Coronary calcium was below 100 Agatston units (AU), cardiovascular risk low, in 90% of the population, the same as for prevalence of obstructive coronary lesions (10%). The cutoff point of 120 AU showed ABC = 0.95 to predict significant coronary lesions. The need for invasive coronarography and revascularization was greater in the group with coronary calcium ≥ 120 AU (p &lt; 0.001 ). Conclusion: in the evaluation prior to heart valve surgery a coronary calcium score ≥ 120 AU is associated with a higher likelihood of requiring invasive coronarography or revascularization; it is, therefore, a useful parameter to decide to continue with angiotomography or refer the patient directly to coronarography. This could result in lower costs and exposure to ionizing radiation and contrast medium. [ABSTRACT FROM AUTHOR]
– Name: Abstract
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  Data: Antecedentes: aunque el calcio coronario tiene valor pron&#243;stico en la poblaci&#243;n general, en los pacientes que ser&#225;n operados por enfermedad cardiaca valvular no se conoce su verdadera utilidad. Objetivo: determinar la utilidad del calcio coronario en la evaluaci&#243;n previa a la cirug&#237;a cardiaca valvular. Material y m&#233;todos: estudio de cohorte din&#225;mica que incluy&#243; pacientes mayores de 35 a&#241;os de edad, de g&#233;nero indistinto, con enfermedad valvular quir&#250;rgica evaluados entre marzo de 2010 y julio de 2013 en el Instituto Nacional de Cardiolog&#237;a Ignacio Ch&#225;vez. Se les practicaron medici&#243;n de calcio y angiotomograf&#237;a coronaria como parte de su evaluaci&#243;n previa a la cirug&#237;a. A los pacientes con lesiones coronarias obstructivas (estenosis ≥ 50%) se les efectu&#243; coronariograf&#237;a invasiva. Resultados: se incluyeron, prospectivamente, 115 pacientes con edad promedio de 54.5 &#177; 11.4 a&#241;os. Se observ&#243; baja prevalencia de factores de riesgo cardiovascular y predominio de etiolog&#237;a a&#243;rtica. El calcio coronario fue menor de 100 unidades Agatston (UA), riesgo cardiovascular bajo, en 90% de la poblaci&#243;n, lo mismo que la prevalencia de lesiones coronarias obstructivas (10%). El punto de corte de 120 UA mostr&#243; ABC = 0.95 para predecir lesiones coronarias significativas. La necesidad de coronariograf&#237;a invasiva y revascularizaci&#243;n fue mayor en el grupo con calcio coronarios ≥ 120 UA (p &lt; 0.001). Conclusi&#243;n: en la evaluaci&#243;n previa a la cirug&#237;a cardiaca valvular un puntaje de calcio coronario ≥ 120 UA se asocia con mayor probabilidad de requerir coronariograf&#237;a invasiva o revascularizaci&#243;n; es, por lo tanto, un par&#225;metro &#250;til para decidir continuar con la angiotomograf&#237;a o referir al paciente directamente a coronariograf&#237;a. Esto podr&#237;a significar menores costos y menos exposici&#243;n a radiaci&#243;n ionizante y a medios de contraste. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Anales de Radiologia, Mexico is the property of Sociedad Mexicana de Radiologia e Imagen A.C. and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. 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.&lt;/i&gt; (Copyright applies to all Abstracts.)
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