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Association between pulmonary arterial obstruction index and right lateral ventricular wall thickness with in-hospital mortality in patients with acute pulmonary embolism

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Abstract

Purpose

To retrospectively assess the correlation between pulmonary arterial obstruction index (PAOI) and right lateral ventricular wall thickness with in-hospital mortality in patients with acute pulmonary embolism.

Methods

CT angiography (CTA) of 55 consecutive patients (30 males; 25 females; mean age ± SD, 59 ± 11 years) with proven acute pulmonary embolism was investigated. PAOI was determined according to the Qanadli score on CTA. Right ventricular lateral wall thickness was also measured, and patients’ in-hospital mortality was recorded. The correlation between PAOI and mortality, right ventricular lateral wall thickness and mortality, and PAOI and right ventricular lateral wall thickness was evaluated.

Results

PAOI was 23.6 and 10.4 in patients with and without in-hospital mortality, respectively (P < 0.001). Right ventricular lateral wall thickness was 8.7 mm and 7.5 mm in patients with and without in-hospital mortality, respectively (P < 0.001). PAOI more than 21.5 and right ventricular lateral wall thickness more than 8.75 were predictive of in-hospital mortality with a high accuracy. Also, PAOI and right ventricular lateral wall thickness had a significant correlation with each other (P < 0.001; r = 0.695).

Conclusion

PAOI and right ventricular lateral wall thickness on CTA were highly predictive of in-hospital mortality in patients with pulmonary embolism. Right ventricular lateral wall thickness and PAOI had a significant correlation with each other as well.

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Authors and Affiliations

  1. Department of Radiology, Modarres Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran

    Taraneh Faghihi Langroudi, Abbas Arjmand Shabestari & Shahrzad Hekmati

  2. Department of Radiology, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran

    Ramin Pourghorban

Authors
  1. Taraneh Faghihi Langroudi
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  2. Abbas Arjmand Shabestari
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  3. Shahrzad Hekmati
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  4. Ramin Pourghorban
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Corresponding author

Correspondence to Shahrzad Hekmati.

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This study was conducted with the approval of our local institutional review board.

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The authors declare that they have no conflict of interest.

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Faghihi Langroudi, T., Shabestari, A.A., Hekmati, S. et al. Association between pulmonary arterial obstruction index and right lateral ventricular wall thickness with in-hospital mortality in patients with acute pulmonary embolism. Emerg Radiol 28, 327–331 (2021). https://doi.org/10.1007/s10140-020-01871-5

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  • DOI: https://doi.org/10.1007/s10140-020-01871-5

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