Cardiovascular parameters of computed tomographic pulmonary angiography to assess pulmonary vascular resistance in patients with chronic thromboembolic pulmonary hypertension

Liu, Min; Ma, Zhanhong; Guo, Xiaojuan; Chen, Xiangyun; Yang, Yuanhua; Wang, Chen

doi:10.1016/j.ijcard.2011.07.019

Cited by 20 publications

(19 citation statements)

References 24 publications

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“…This finding suggests a complementary role of the two diagnostic tools in the assessment of PE. Interestingly, in patients with CTPH, Liu et al [10] showed that the pulmonary artery obstruction, as assessed by the Qanadli CT index, was not related to pulmonary vascular resistance measured by means of right heart catheterization.…”

Section: Discussionmentioning

confidence: 99%

“…Among these scores, the Qanadli vascular obstruction index is a simple and easy-to-calculate index, is derived from the amount and location of the thrombi on CT images and was found to be reproducible and highly correlated to the pulmonary angiography index [6]. Although the Qanadli CT index has been extensively used to assess acute PE [7,8,9], its use in the evaluation of CTPH has given controversial results so far [10,11]. …”

Section: Introductionmentioning

confidence: 99%

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Transthoracic Echocardiography and Chest Computed Tomography Arteriography in Patients with Acute Pulmonary Embolism: A Two-Year Follow-Up Study

Serra

Crisafulli²,

Sverzellati

et al. 2016

Respiration

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Background: Pulmonary hypertension (PH) is frequently found at the time of diagnosis of pulmonary embolism (PE). An incomplete resolution of PE can lead to chronic thromboembolic pulmonary hypertension (CTPH). Transthoracic echocardiogram (TTE) is the first step to diagnose an abnormality of the pulmonary vasculature. Based on computed tomography (CT), the Qanadli vascular obstruction index has been extensively used to assess acute PE. Objectives: Our aim was to ascertain whether at the time of diagnosis of an acute PE episode TTE variables and a Qanadli CT index score may be associated with CTPH 2 years later. Method: Patients with PE were prospectively enrolled. TTE was performed and the Qanadli CT obstruction index was calculated on admission to the hospital, while only TTE was repeated at the 2-year follow-up. The NYHA (New York Heart Association) functional classification was evaluated. Correlation analyses were performed. Results: Twenty patients (11 males, median age 69.5 years) were considered for the study. There was no significant correlation between TTE parameters and the Qanadli CT obstruction index. A significant distribution (χ² = 5.69, p = 0.017) was found in the analysis among patients with CTPH at 24 months and the Qanadli CT index, categorized by a receiver operating characteristic curve cutoff value of 42.5%. Additionally, a significant distribution (χ² = 4.09, p = 0.043) was found in the analysis among patients with CTPH at 24 months and right ventricular systolic pressure on admission, categorized as PH (>31 mm Hg). Conclusion: Our study demonstrates that in patients with acute PE there is no relationship between the Qanadli CT obstruction index and TTE parameters on admission to the hospital. However, the occurrence of CTPH at the 24-month follow-up is associated with PH and with a high Qanadli CT obstruction index score.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Transthoracic Echocardiography and Chest Computed Tomography Arteriography in Patients with Acute Pulmonary Embolism: A Two-Year Follow-Up Study

Serra

Crisafulli²,

Sverzellati

et al. 2016

Respiration

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“…и F. G. Meinel и соавт. [22,23]. Кроме этого, не выявлено статистически значимой корреляции между результатами ТШХ и индексом обструкции, что показано в исследовании F. G. Meinel и соавт.…”

Section: Discussionunclassified

The State of Vascular Bed, Parenchyma and Perfusion of Lungs in Chronic Thromboembolic Pulmonary Hypertension According to Data of Subtraction Pulmonary Angiography

Demchenkova

Веселова

Martynyuk

et al. 2018

CARDIO

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Состояние сосудистого русла, паренхимы и перфузии легких при хронической тромбоэмболической легочной гипертензии по данным субтракционной компьютерной томографической ангиопульмонографии Ключевые слова: хроническая тромбоэмболическая легочная гипертензия, субтракционная компьютерная томографическая ангиопульмонография.

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“…17 In stepwise regression analysis, we involved three factors (dMAP/dAA, SBP and Cobb angle), and excluded dRV/dLV. According to Liu et al's study, cardiovascular parameters, especially Cobb angle, appears to be a better parameter than dRV/dLV to non-invasively assess PVR in patients with CTEPH.…”

Section: Discussionmentioning

confidence: 99%

“…According to Liu et al's study, cardiovascular parameters, especially Cobb angle, appears to be a better parameter than dRV/dLV to non-invasively assess PVR in patients with CTEPH. 17 In stepwise regression analysis, we involved three factors (dMAP/dAA, SBP and Cobb angle), and excluded dRV/dLV. ROC also showed an improve-ment when SBP and Cobb angle were added into the equation step by step.…”

Section: Discussionmentioning

confidence: 99%

Cardiovascular parameters of chest CT scan in estimating pulmonary arterial pressure in patients with pulmonary hypertension

Wang

Lin

et al. 2016

Clinical Respiratory J

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Cardiovascular parameters of computed tomographic pulmonary angiography to assess pulmonary vascular resistance in patients with chronic thromboembolic pulmonary hypertension

Cited by 20 publications

References 24 publications

Transthoracic Echocardiography and Chest Computed Tomography Arteriography in Patients with Acute Pulmonary Embolism: A Two-Year Follow-Up Study

Transthoracic Echocardiography and Chest Computed Tomography Arteriography in Patients with Acute Pulmonary Embolism: A Two-Year Follow-Up Study

The State of Vascular Bed, Parenchyma and Perfusion of Lungs in Chronic Thromboembolic Pulmonary Hypertension According to Data of Subtraction Pulmonary Angiography

Cardiovascular parameters of chest CT scan in estimating pulmonary arterial pressure in patients with pulmonary hypertension

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