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The Relationship Between Stature and the Prevalence of Atrial Fibrillation in Patients With Left Ventricular Dysfunction

Ibrahim R. Hanna, MD^_*,_*, Brian Heeke, BS^_*, Heather Bush, MS, Lynne Brosius, MS, Diane King-Hageman, BS, John F. Beshai, MD^_* and Jonathan J. Langberg, MD^_*

^_* Division of Cardiology, Section of Electrophysiology, Emory University, Atlanta, Georgia
REGISTRAT Inc., Lexington, Kentucky

View larger version (22K): [in a new window]   Figure 1 The prevalence of atrial fibrillation (AF) increases from 24% in the lowest height quartile (Q1) to 31.7% in the highest quartile (Q4) (32% relative increase). This statistically significant correlation (p < 0.0001) remains true for all forms of AF: paroxysmal (18% relative increase from Q1 to Q4), permanent (46% relative increase from Q1 to Q4), and unknown (48% relative increase from Q1 to Q4). Height quartiles were defined differently for men and women (see Methods section).

View larger version (30K): [in a new window]   Figure 2 In 362 patients from the Emory University-Crawford Long Hospitals cohort, mean left atrial (LA) diameter was significantly larger in patients whose height exceeded the population median by gender. This association was true for both men and women (p < 0.005 and p = 0.05, respectively).