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Improved image quality and low radiation dose with hybrid iterative reconstruction with 80 kV CT pulmonary angiography

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Improved image quality and low radiation dose with hybrid iterative reconstruction with 80 kV CT pulmonary angiography. / Laqmani, Azien; Regier, Marc; Veldhoen, Simon; Backhaus, Alexandra; Wassenberg, Felicia; Sehner, Susanne; Groth, Michael; Nagel, Hans-Dieter; Adam, Gerhard; Henes, Frank O.

in: EUR J RADIOL, Jahrgang 83, Nr. 10, 10.2014, S. 1962-1969.

Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung

Harvard

Laqmani, A, Regier, M, Veldhoen, S, Backhaus, A, Wassenberg, F, Sehner, S, Groth, M, Nagel, H-D, Adam, G & Henes, FO 2014, 'Improved image quality and low radiation dose with hybrid iterative reconstruction with 80 kV CT pulmonary angiography', EUR J RADIOL, Jg. 83, Nr. 10, S. 1962-1969. https://doi.org/10.1016/j.ejrad.2014.06.016

APA

Laqmani, A., Regier, M., Veldhoen, S., Backhaus, A., Wassenberg, F., Sehner, S., Groth, M., Nagel, H-D., Adam, G., & Henes, F. O. (2014). Improved image quality and low radiation dose with hybrid iterative reconstruction with 80 kV CT pulmonary angiography. EUR J RADIOL, 83(10), 1962-1969. https://doi.org/10.1016/j.ejrad.2014.06.016

Vancouver

Laqmani A, Regier M, Veldhoen S, Backhaus A, Wassenberg F, Sehner S et al. Improved image quality and low radiation dose with hybrid iterative reconstruction with 80 kV CT pulmonary angiography. EUR J RADIOL. 2014 Okt;83(10):1962-1969. https://doi.org/10.1016/j.ejrad.2014.06.016

Bibtex

@article{b862304e8eb9419087903ae8c74e4adb,
title = "Improved image quality and low radiation dose with hybrid iterative reconstruction with 80 kV CT pulmonary angiography",
abstract = "OBJECTIVES: To determine the impact of hybrid iterative reconstruction (HIR) on image quality in 80 kV CT pulmonary angiography (CTPA) in comparison to filtered-back-projection (FBP).METHODS: Fifty patients (body weight <80 kg) with suspected pulmonary embolism (PE) underwent CTPA at 80 kV (mean CTDIvol, 2.3 mGy; effective dose, 1.2 mSv). The raw data were reconstructed using FBP and three increasing HIR levels. Two radiologists assessed image quality and image noise. Conspicuity of PE was assessed in central, segmental, and subsegmental arteries. CT attenuation of pulmonary arteries, objective image noise (OIN) and contrast-to-noise ratios (CNR) were assessed.RESULTS: With each HIR level, a significant decrease in subjective and objective image noise was achieved with a reduction of OIN up to 46% in comparison with FBP. CNR significantly increased with the application of HIR compared to FBP. Image quality was rated significantly higher at HIR reconstructions in comparison with FBP. Diagnosis of PE was feasible with each data set; however, conspicuity of central and segmental PE significantly improved with the use of HIR.CONCLUSIONS: Eighty kilovoltage CTPA with HIR provides improved image quality and conspicuity of pulmonary embolism enabling low dose CTPA protocols close to 1 mSv in patients weighing less than 80 kg.",
author = "Azien Laqmani and Marc Regier and Simon Veldhoen and Alexandra Backhaus and Felicia Wassenberg and Susanne Sehner and Michael Groth and Hans-Dieter Nagel and Gerhard Adam and Henes, {Frank O}",
note = "Alexandra Backhaus + Wassenberg INTERN",
year = "2014",
month = oct,
doi = "10.1016/j.ejrad.2014.06.016",
language = "English",
volume = "83",
pages = "1962--1969",
journal = "EUR J RADIOL",
issn = "0720-048X",
publisher = "Elsevier",
number = "10",

}

RIS

TY - JOUR

T1 - Improved image quality and low radiation dose with hybrid iterative reconstruction with 80 kV CT pulmonary angiography

AU - Laqmani, Azien

AU - Regier, Marc

AU - Veldhoen, Simon

AU - Backhaus, Alexandra

AU - Wassenberg, Felicia

AU - Sehner, Susanne

AU - Groth, Michael

AU - Nagel, Hans-Dieter

AU - Adam, Gerhard

AU - Henes, Frank O

N1 - Alexandra Backhaus + Wassenberg INTERN

PY - 2014/10

Y1 - 2014/10

N2 - OBJECTIVES: To determine the impact of hybrid iterative reconstruction (HIR) on image quality in 80 kV CT pulmonary angiography (CTPA) in comparison to filtered-back-projection (FBP).METHODS: Fifty patients (body weight <80 kg) with suspected pulmonary embolism (PE) underwent CTPA at 80 kV (mean CTDIvol, 2.3 mGy; effective dose, 1.2 mSv). The raw data were reconstructed using FBP and three increasing HIR levels. Two radiologists assessed image quality and image noise. Conspicuity of PE was assessed in central, segmental, and subsegmental arteries. CT attenuation of pulmonary arteries, objective image noise (OIN) and contrast-to-noise ratios (CNR) were assessed.RESULTS: With each HIR level, a significant decrease in subjective and objective image noise was achieved with a reduction of OIN up to 46% in comparison with FBP. CNR significantly increased with the application of HIR compared to FBP. Image quality was rated significantly higher at HIR reconstructions in comparison with FBP. Diagnosis of PE was feasible with each data set; however, conspicuity of central and segmental PE significantly improved with the use of HIR.CONCLUSIONS: Eighty kilovoltage CTPA with HIR provides improved image quality and conspicuity of pulmonary embolism enabling low dose CTPA protocols close to 1 mSv in patients weighing less than 80 kg.

AB - OBJECTIVES: To determine the impact of hybrid iterative reconstruction (HIR) on image quality in 80 kV CT pulmonary angiography (CTPA) in comparison to filtered-back-projection (FBP).METHODS: Fifty patients (body weight <80 kg) with suspected pulmonary embolism (PE) underwent CTPA at 80 kV (mean CTDIvol, 2.3 mGy; effective dose, 1.2 mSv). The raw data were reconstructed using FBP and three increasing HIR levels. Two radiologists assessed image quality and image noise. Conspicuity of PE was assessed in central, segmental, and subsegmental arteries. CT attenuation of pulmonary arteries, objective image noise (OIN) and contrast-to-noise ratios (CNR) were assessed.RESULTS: With each HIR level, a significant decrease in subjective and objective image noise was achieved with a reduction of OIN up to 46% in comparison with FBP. CNR significantly increased with the application of HIR compared to FBP. Image quality was rated significantly higher at HIR reconstructions in comparison with FBP. Diagnosis of PE was feasible with each data set; however, conspicuity of central and segmental PE significantly improved with the use of HIR.CONCLUSIONS: Eighty kilovoltage CTPA with HIR provides improved image quality and conspicuity of pulmonary embolism enabling low dose CTPA protocols close to 1 mSv in patients weighing less than 80 kg.

U2 - 10.1016/j.ejrad.2014.06.016

DO - 10.1016/j.ejrad.2014.06.016

M3 - SCORING: Journal article

C2 - 25084687

VL - 83

SP - 1962

EP - 1969

JO - EUR J RADIOL

JF - EUR J RADIOL

SN - 0720-048X

IS - 10

ER -