Association between Urinary Cadmium and QRSjT Angle among Adults in the United States

Susan Thapa, Leanna Delhey, Jing Jin, Saly Abouelenein, Wesam Morad, Robert Delongchamp, Mohammed F. Faramawi

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: Cadmium’s effect on QRSjT angle has not been studied. An abnormal QRSjT angle deviation may increase the risk for ventricular dysrhythmias. Methods: We calculated the orientation of spatial QRSjT angle using QRS and T amplitudes of leads V2, V5, V6, and AVF from the National Health and Nutritional Examination Survey III. Cadmium concentration was measured in urine. We fit weighted unadjusted and adjusted logistic regressions to calculate odds ratios and their corresponding 95% confidence intervals. Results: A unit increase in the logarithm of urinary cadmium increased the odds of QRSjT angle deviation by 30% [1.30 (1.01 to 1.61)]. Conclusions: Cadmium exposure was associated with an abnormal QRSjT angle in women but not in men. Women exposed to cadmium should be periodically evaluated to detect QRSjT angle deviation, which can predispose them to ventricular dysrhythmias.

Original languageEnglish
Pages (from-to)E412-E415
JournalJournal of occupational and environmental medicine
Volume60
Issue number8
DOIs
StatePublished - Aug 1 2018

Keywords

  • Cadmium
  • Cardiovascular diseases
  • NHANES III
  • QRST angle

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