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Evaluation of right heart function in patients with acute pulmonary embolism by 256-slice spiral pulmo-nary artery angiography / 心血管康复医学杂志
Chinese Journal of cardiovascular Rehabilitation Medicine ; (6): 198-202, 2016.
Article in Chinese | WPRIM | ID: wpr-483640
ABSTRACT

Objective:

To explore value of 256-slice spiral CT pulmonary artery angiography (CTPA)evaluating right heart function in patients with acute pulmonary embolism (APE).

Methods:

According to death risk assessment of APE patients, a total of 67 APE patients were divided into high risk APE group (n=41)and non-high risk APE group (n=35).CTPA was used to analyze and compare CTPA obstructive index and right heart function indexes between two groups.Correlations among CTPA obstructive index and right heart function indexes were also analyzed.

Results:

Compared with non-high risk APE group,there were significant rise in CTPA constructive index [8.58% vs.24.69%],percentages of straight or left protruded ventricular septum (31.46% vs.73.17%)and bronchial artery dilation (5.71% vs.24.69%);Except the supe- rior vena cava diameter,the rest right heart function parameters had difference significance in two groups,P<0.05 or<0.01. Spearman correlation analysis indicated that CTPA obstructive index was significant positively correlated with right ventricular maximal short axis (RVMSA),RVLV,diameters of main pulmonary artery,superior vena cava and azygos (r=0.684~0.954),and significant inversely correlated with LVMSA (r=-0.786),P<0.01 all.ROC curve analysis indicated that AUCs of CTPA RVLV (0.949)was the biggest diagnosing APE severity.

Conclusion:

Right heart func- tion indexes measured by multi-detector CT are accurate and practical indexes evaluating APE severity,and it possesses im- portant significance.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of cardiovascular Rehabilitation Medicine Year: 2016 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of cardiovascular Rehabilitation Medicine Year: 2016 Type: Article