estudo morfométrico do coração fetal: sua utilização como parâmetro para análise ecocardiográfica morphometric study of the fetal heart: a parameter for echocardiographic analysis
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2008
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Abstract
OBJETIVO: Avaliar o diâmetro, o perímetro e a área das valvas atrioventriculares do coração fetal, bem como a espessura das paredes ventriculares e os diâmetros das cavidades ventriculares. MATERIAIS E MÉTODOS: Foram dissecados 20 corações de fetos com idade gestacional entre 28 e 36 semanas. Em seguida foram medidos os diâmetros ântero-posterior e transverso e aferidos as áreas e os perímetros das valvas mitral e tricúspide, bem como foram medidas as espessuras das paredes ventriculares e os diâmetros de suas cavidades, utilizando-se um paquímetro com acurácia de1/10 mm. RESULTADOS: Os diâmetros ântero-posterior e transverso da valva atrioventricular esquerda mediram, em média, 10,35 ± 1,62 mm e 9,90 ± 1,79 mm, respectivamente, e os diâmetros ântero-posterior e transverso da valva atrioventricular direita, 10,98 ± 1,90 mm e 9,51 ± 1,81 mm, respectivamente. A área e o perímetro da valva mitral foram de 84,06 ± 25,09 mm² e 29,87 ± 3,96 mm, respectivamente. A área e o perímetro da valva tricúspide mediram, respectivamente, 84,49 ± 26,79 mm² e 28,44 ± 3,85 mm. No ventrículo direito a espessura da parede anterior foi de 5,00 ± 1,70 mm e a da parede posterior foi de 3,83 ± 0,91 mm; no ventrículo esquerdo a espessura da parede anterior foi de 4,25 ± 0,87 mm e a da parede posterior foi de 4,14 ± 0,89 mm. O septo interventricular teve espessura de 4,10 ± 1,13 mm. O ventrículo direito teve como diâmetro ântero-posterior 9,25 ± 0,85 mm, e como diâmetro transverso 8,24 ± 0,42 mm. O ventrículo esquerdo mediu 9,95 ± 0,37 mm para o diâmetro ântero-posterior e 9,20 ± 0,40 mm para o diâmetro transverso. CONCLUSÃO: O conhecimento dos dados morfométricos do coração do feto é de grande importância para o diagnóstico ecocardiográfico de possíveis malformações cardíacas.
OBJECTIVE: To evaluate the diameter, perimeter and area of atrioventricular valves as well thickness of ventricular walls and diameter of ventricular cavity of fetal hearts. MATERIALS AND METHODS: Twenty fetal hearts at gestational age between 28 and 36 weeks were dissected. A paquimeter with 1/10 mm accuracy was utilized for the following morphological measurements: anteroposterior and transverse diameters, mitral and tricuspid valves areas and perimeters. RESULTS: Anteroposterior and transverse diameters of the left atrioventricular valve measured 10.35 ± 1.62 mm and 9.90 ± 1.79 mm, respectively; and anteroposterior and transverse diameters of the right atrioventricular valve measured 10.98 ± 1.90 mm and 9.51 ± 1.81 mm, respectively. Mitral valve area and perimeter were, respectively, 84.06 ± 25.09 mm² and 29.87 ± 3.96 mm. Tricuspid valve area and perimeter were, respectively, 84.49 ± 26.79 mm² and 28.44 ± 3.85 mm. The thicknesses of the anterior and posterior right ventricular walls were, respectively, 5.00 ± 1.70 mm and 3.83 ± 0.91 mm. The thicknesses of the anterior and posterior left ventricular walls were, respectively, 4.25 ±0.87 mm and 4.14 ± 0.89 mm. The thickness of the interventricular septum measured 4.10 ± 1.13 mm. The anteroposterior diameter of the right ventricle was 9.25 ± 0.85 mm, and the transverse diameter was 8.24 ± 0.42 mm. The anteroposterior diameter of the left ventricle measured 9.95 ± 0.37 mm, and transverse diameter measured 9.20 ± 0.40 mm. CONCLUSION: The role of morphometric data of fetal atrioventricular valves is highly significant in the echocardiographic diagnosis of possible congenital cardiac malformations.
OBJECTIVE: To evaluate the diameter, perimeter and area of atrioventricular valves as well thickness of ventricular walls and diameter of ventricular cavity of fetal hearts. MATERIALS AND METHODS: Twenty fetal hearts at gestational age between 28 and 36 weeks were dissected. A paquimeter with 1/10 mm accuracy was utilized for the following morphological measurements: anteroposterior and transverse diameters, mitral and tricuspid valves areas and perimeters. RESULTS: Anteroposterior and transverse diameters of the left atrioventricular valve measured 10.35 ± 1.62 mm and 9.90 ± 1.79 mm, respectively; and anteroposterior and transverse diameters of the right atrioventricular valve measured 10.98 ± 1.90 mm and 9.51 ± 1.81 mm, respectively. Mitral valve area and perimeter were, respectively, 84.06 ± 25.09 mm² and 29.87 ± 3.96 mm. Tricuspid valve area and perimeter were, respectively, 84.49 ± 26.79 mm² and 28.44 ± 3.85 mm. The thicknesses of the anterior and posterior right ventricular walls were, respectively, 5.00 ± 1.70 mm and 3.83 ± 0.91 mm. The thicknesses of the anterior and posterior left ventricular walls were, respectively, 4.25 ±0.87 mm and 4.14 ± 0.89 mm. The thickness of the interventricular septum measured 4.10 ± 1.13 mm. The anteroposterior diameter of the right ventricle was 9.25 ± 0.85 mm, and the transverse diameter was 8.24 ± 0.42 mm. The anteroposterior diameter of the left ventricle measured 9.95 ± 0.37 mm, and transverse diameter measured 9.20 ± 0.40 mm. CONCLUSION: The role of morphometric data of fetal atrioventricular valves is highly significant in the echocardiographic diagnosis of possible congenital cardiac malformations.
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| Authors | ;Jennecy Sales Cavalcanti;Suzana Marques Duarte |
| Journal | india international conference on information processing, iicip 2016 - proceedings |
| Year | 2008 |
| DOI |
10.1590/S0100-39842008000200008
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