ArticleJapanese journal of radiology2023
Left atrial strain assessment using cardiac computed tomography in patients with hypertrophic cardiomyopathy.
Article in Japanese journal of radiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Photon-counting detector computed tomography in thoracic oncology: revolutionizing tumor imaging through precision and detail.Diagnostic and interventional radiology (Ankara, Turkey) · 2026Review
- Left Atrial Deformation in Paediatric Dilated and Hypertrophic Cardiomyopathy: Insights from Two-Dimensional Speckle-Tracking Echocardiography.Journal of clinical medicine · 2025Article
- Atrial fibrillation and thromboembolic risk in hypertrophic cardiomyopathy.Journal of cardiovascular imaging · 2025Review
- Left Atrial Strain-Current Review of Clinical Applications.Diagnostics (Basel, Switzerland) · 2025Review
- Diagnosing Heart Failure with Preserved Ejection Fraction in Obese Patients.Journal of clinical medicine · 2025Review
- Stereotactic arrhythmia radioablation for ventricular tachycardia: a review of clinical trials and emerging roles of imaging.Journal of radiation research · 2025Review
- Left Atrial Strain: State of the Art and Clinical Implications.Journal of personalized medicine · 2024Review
- Feasibility of left atrial strain assessment using cardiac computed tomography in patients with paroxysmal atrial fibrillation.The international journal of cardiovascular imaging · 2024Article
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13 authors.
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Abstract
purposeTo evaluate left atrial (LA) function in patients with hypertrophic cardiomyopathy (HCM) by LA strain assessment using cardiac computed tomography (CT-derived LA strain). MATERIALS AND
methodsThis was a retrospective study of 34 patients with HCM and 31 non-HCM patients who underwent cardiac computed tomography (CT) using retrospective electrocardiogram-gated mode. CT images were reconstructed every 5% (0-95%) of the RR intervals. CT-derived LA strain (reservoir [LASr], conduit [LASc], and booster pump strain [LASp]) were semi-automatically analyzed using a dedicated workstation. We also measured the left atrial volume index (LAVI) and left ventricular longitudinal strain (LVLS) for the left atrial and ventricular functional parameters to assess the relationship with CT-derived LA strain.
resultsCT-derived LA strain significantly correlated with LAVI: r = - 0.69, p < 0.001 for LASr; r = - 0.70, p < 0.001 for LASp; and r = - 0.35, p = 0.004 for LASc. CT-derived LA strain also significantly correlated with LVLS: r = - 0.62, p < 0.001 for LASr; r = - 0.67, p < 0.001 for LASc; and r = - 0.42, p = 0.013 for LASp. CT-derived LA strain in patients with HCM was significantly lower than that in non-HCM patients: LASr (20.8 ± 7.6 vs. 31.7 ± 6.1%, p < 0.001); LASc (7.9 ± 3.4 vs. 14.2 ± 5.3%, p < 0.001); and LASp (12.8 ± 5.7 vs. 17.6 ± 4.3%, p < 0.001). Additionally, CT-derived LA strain showed high reproducibility; inter-observer correlation coefficients were 0.94, 0.90, and 0.89 for LASr, LASc, and LASp, respectively.
conclusionCT-derived LA strain is feasible for quantitative assessment of left atrial function in patients with HCM.
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