Radiographic determination of cardiomegaly using cardiothoracic ratio and transverse cardiac diameter: can one size fit all? Part one.
Radiographic determination of cardiomegaly using cardiothoracic ratio and transverse cardiac diameter: can one size fit all? Part one.
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DOI：
10.11604/pamj.2017.27.201.12017
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发表时间：
2017
期刊：
影响因子：
--
通讯作者：
Coleman J
中科院分区：
文献类型：
--
作者：
Brakohiapa EKK;Botwe BO;Sarkodie BD;Ofori EK;Coleman J
胸片心胸比(CTR)和心脏横径(TCD)是诊断心脏肥大和心脏病的两个常用参数。PA片上CTR大于50%是异常的，通常提示心脏或心包疾病，而在连续两次短间隔拍摄的X线片上，TCD从1.5厘米增加到2厘米，提示可能是心脏病变。目的是确定使用相同的TCD和CTR分别检测所有年龄组和性别的心脏增大的适宜性。一项回顾性研究回顾了2012年1月至2013年11月由3名放射科医生拍摄的1047张21-80岁成年人的胸部后前位平片。记录的数据包括心脏横径、胸径和心胸比率。使用Microsoft EXCEL 2010进行了描述性分析。研究人群的平均年龄和标准差为35.1±12.7。男性心脏横径、胸径和心胸比率的平均值和标准差分别为13.08 cm±1.2、29.7 cm±2.7和46.6%±3.9，女性分别为12.9 cm±1.3、27.1 cm±2.6和47.8%±4.8。除21-40岁男性外，TCD每增加1 cm，CTR均大于50.0%。研究发现，相同的TCD和CTR值不适用于所有年龄组和性别的心脏肥大的检测。
The cardio-thoracic ratio (CTR) and the transverse cardiac diameter (TCD) on Plain chest radiography are the two parameters commonly used to diagnose cardiomegaly and heart disease. A CTR of greater than 50% on a PA film is abnormal and normally indicates cardiac or pericardial disease condition, whiles an increase of TCD from 1.5 to 2cm on two consecutive radiographs, taken at short interval, suggests possible cardiac pathology. The aim was to determine the suitability of using the same TCD and CTR to detect cardiomegaly for all age groups and genders respectively. A retrospective study involved the review of 1047 radiological images of adults aged 21 to 80 years, who had plain postero-anterior chest radiographs between January 2012 and November 2013 by 3 radiologists. Data recorded included the transverse cardiac, thoracic diameter and the cardiothoracic ratios. Descriptive analyses were carried out using the Microsoft excel 2010. The mean age and standard deviation for the study population was 35.1 ± 12.7. The mean and standard deviations for the transverse cardiac diameter, thoracic diameter, and the cardiothoracic ratios for male participants were 13.08cm ± 1.2, 29.7cm ± 2.7 and 46.6% ± 3.9; and 12.9 cm ± 1.3, 27.1 cm ± 2.6, and 47.8% ± 4.8 for females. An increase in TCD of 1cm resulted in a CTR of greater than 50.0% in all but the males aged 21-40 years. The study found that the same TCD and CTR values are not suitable in detecting cardiomegaly for all age groups and genders.
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影响因子：
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作者：
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