Research ArticleQuality & Practice Management

Use of Advanced CT Technology to Evaluate Left Atrial Indices in Patients with a High Heart Rate or with Heart Rate Variability: The Converge Registry

Lavanya Cherukuri, Divya Birudaraju, April Kinninger, Bhanu T. Chaganti, Sivakrishna Pidikiti, Ryan G. Pozon, Anne Concepcion G. Pozon, Suvasini Lakshmanan, Suraj Dahal, Sajad Hamal, Ferdinand Flores, Dialing Christopher, Daniele Andreini, Gianluca Pontone, Edoardo Conte, Rine Nakanishi, Rachael O’Rourke, Christian Hamilton-Craig, Khurram Nasir, Sion K. Roy, Song Shou Mao and Matthew J. Budoff
Journal of Nuclear Medicine Technology March 2021, 49 (1) 65-69; DOI: https://doi.org/10.2967/jnmt.120.253781

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Tables

  • TABLE 1

    Baseline Characteristics

    CharacteristicTotal (n = 223)HiHR (n = 121)AFib (n = 102)P
    Age (y)61.7 ± 11.962.7 ± 12.560.5 ± 11.00.16
    Men146 (65)74 (61)72 (71)0.14
    Chest pain42 (19)29 (24)13 (13)0.03
    Hypertension157 (70)72 (60)85 (83)0.0001
    Dyslipidemia140 (63)81 (67)59 (58)0.16
    Diabetes mellitus67 (30)24 (20)43 (42)0.0003
    History of myocardial infarction31 (14)10 (8)21 (21)0.008
    Current smoking19 (9)7 (6)12 (12)0.11
    Body mass index (kg/m2)30.6 ± 6.728.7 ± 5.932.8 ± 6.9<0.0001
    Body surface area (m2)2.0 ± 0.32.0 ± 0.32.1 ± 0.30.03
    Heart rate (bpm)71.4 ± 9.871.4 ± 9.866.5 ± 10.10.01
    Systolic blood pressure (mm Hg)131.3 + 19.2136.1 ± 18.6125.5 ± 18.4<0.0001
    Diastolic blood pressure (mm Hg)78.8 ± 10.978.2 ± 11.179.5 ± 10.80.3893
    Coronary artery calcium score631.65 ± 1,294.9724.6 ± 1,416.8524.1 ± 1,135.40.227
    LAV (mL)123.4 ± 52.4102.1 ± 36.5148.6 ± 57.2<0.0001
    LAVI (mL/m2)61.1 ± 25.751.5 ± 19.072.4 ± 28.1<0.0001

    • All comparisons between HiHR and AFib groups were performed using Student t test, Wilcoxon rank-sum test, or χ2 test. Qualitative data are number followed by percentage in parentheses; continuous data are mean ± SD.

  • TABLE 2

    Relationship Between Left Atrial Measurements and HiHR or AFib Subjects

    ParameterUnivariate, unadjustedMultivariate, adjusted*
    βSEPβSEP
    LAV−46.426.33<0.0001−41.186.76<0.0001
    LAVI−20.863.17<0.0001−23.103.39<0.0001

    • ↵* Adjusted for age, body mass index, sex, diabetic status, hypertension, hyperlipidemia, history of myocardial infarction and smoking habits.

    • β = standardized regression coefficient.

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