Diagnostic accuracy of an artificial neural network compared with statistical quantitation of myocardial perfusion images: A Japanese multicenter study

Kenichi Nakajima, Takashi Kudo, Tomoaki Nakata, Keisuke Kiso, Tokuo Kasai, Yasuyo Taniguchi, Shinro Matsuo, Mitsuru Momose, Masayasu Nakagawa, Masayoshi Sarai, Satoshi Hida, Hirokazu Tanaka, Kunihiko Yokoyama, Koichi Okuda, Lars Edenbrandt

研究成果: Article

15 引用 (Scopus)

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Purpose Artificial neural networks (ANN) might help to diagnose coronary artery disease. This study aimed to determine whether the diagnostic accuracy of an ANN-based diagnostic system and conventional quantitation are comparable. Methods The ANN was trained to classify potentially abnormal areas as true or false based on the nuclear cardiology expert interpretation of 1001 gated stress/rest 99mTc-MIBI images at 12 hospitals. The diagnostic accuracy of the ANN was compared with 364 expert interpretations that served as the gold standard of abnormality for the validation study. Conventional summed stress/rest/difference scores (SSS/ SRS/SDS) were calculated and compared with receiver operating characteristics (ROC) analysis. Results The ANN generated a better area under the ROC curves (AUC) than SSS (0.92 vs. 0.82, p < 0.0001), indicating better identification of stress defects. The ANN also generated a better AUC than SDS (0.90 vs. 0.75, p < 0.0001) for stressinduced ischemia. The AUC for patients with old myocardial infarction based on rest defects was 0.97 (0.91 for SRS, p = 0.0061), and that for patients with and without a history of revascularization based on stress defects was 0.94 and 0.90 (p = 0.0055 and p < 0.0001 vs. SSS, respectively). The SSS/ SRS/SDS steeply increased when ANN values (probability of abnormality) were >0.80. Conclusion The ANN was diagnostically accurate in various clinical settings, including that of patients with previous myocardial infarction and coronary revascularization. The ANN could help to diagnose coronary artery disease.

元の言語English
ページ(範囲)2280-2289
ページ数10
ジャーナルEuropean Journal of Nuclear Medicine and Molecular Imaging
44
発行部数13
DOI
出版物ステータスPublished - 01-01-2017

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging

フィンガープリント Diagnostic accuracy of an artificial neural network compared with statistical quantitation of myocardial perfusion images: A Japanese multicenter study' の研究トピックを掘り下げます。これらはともに一意のフィンガープリントを構成します。

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    Nakajima, K., Kudo, T., Nakata, T., Kiso, K., Kasai, T., Taniguchi, Y., Matsuo, S., Momose, M., Nakagawa, M., Sarai, M., Hida, S., Tanaka, H., Yokoyama, K., Okuda, K., & Edenbrandt, L. (2017). Diagnostic accuracy of an artificial neural network compared with statistical quantitation of myocardial perfusion images: A Japanese multicenter study. European Journal of Nuclear Medicine and Molecular Imaging, 44(13), 2280-2289. https://doi.org/10.1007/s00259-017-3834-x