AJR. American journal of roentgenology · 2016
Epipericardial Fat Necrosis: Who Should Be a Candidate?
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Giassi Karina de Souza, Costa Andre Nathan, Bachion Guilherme Hipolito, Kairalla Ronaldo Adib, Filho José Rodrigues Parga
Аннотация
OBJECTIVE: The objectives of the present study were to estimate the frequency of epipericardial fat necrosis among patients undergoing chest CT for chest pain and to compare the clinical and laboratory data between patients with epipericardial fat necrosis and control subjects.
MATERIALS AND METHODS: A retrospective review of 7463 chest CT studies performed in the emergency department from July 2011 to December 2014 was conducted to collect data regarding patient demographic characteristics and CT findings. Twenty patients who had epipericardial fat necrosis diagnosed were defined as the main patient group. An age- and sex-matched control group was selected from patients with chest pain who underwent chest CT during the same period. Linear regression models were used to assess data, and statistical significance was expressed as p values and 95% CIs.
RESULTS: We found that the frequency of epipericardial fat necrosis was 2.15% among patients who underwent chest CT for chest pain. Epipericardial fat necrosis was statistically significantly associated with a lack of medication use (p = 0.01; 95% CI, -3.33 to -0.40) and the absence of other symptoms (p = 0.005; 95% CI, -5.83 to -1.27). Epipericardial fat necrosis was most often observed as an ovoid lesion with mixed fat attenuation with little stranding in the left paracardiac region accompanied by pleural effusion.
CONCLUSION: Epipericardial fat necrosis is a significant clinical condition. For patients seen in the emergency department with isolated acute chest pain but no additional clinical history, no medication history, and normal laboratory results, chest CT is recommended to support a diagnosis of epipericardial fat necrosis.
MATERIALS AND METHODS: A retrospective review of 7463 chest CT studies performed in the emergency department from July 2011 to December 2014 was conducted to collect data regarding patient demographic characteristics and CT findings. Twenty patients who had epipericardial fat necrosis diagnosed were defined as the main patient group. An age- and sex-matched control group was selected from patients with chest pain who underwent chest CT during the same period. Linear regression models were used to assess data, and statistical significance was expressed as p values and 95% CIs.
RESULTS: We found that the frequency of epipericardial fat necrosis was 2.15% among patients who underwent chest CT for chest pain. Epipericardial fat necrosis was statistically significantly associated with a lack of medication use (p = 0.01; 95% CI, -3.33 to -0.40) and the absence of other symptoms (p = 0.005; 95% CI, -5.83 to -1.27). Epipericardial fat necrosis was most often observed as an ovoid lesion with mixed fat attenuation with little stranding in the left paracardiac region accompanied by pleural effusion.
CONCLUSION: Epipericardial fat necrosis is a significant clinical condition. For patients seen in the emergency department with isolated acute chest pain but no additional clinical history, no medication history, and normal laboratory results, chest CT is recommended to support a diagnosis of epipericardial fat necrosis.