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Positive Predictive Value of the Thumb-Palm Test for General Population Screening of Ascending Aortic Aneurysm

      In their recent study, Blumel et al
      • Blumel R
      • Patel K
      • Rizzo JA
      • Mok S
      • Barrett A
      • Wu J
      • Zafar MA
      • Ziganshin BA
      • Elefteriades JA.
      Accuracy of the “thumb-palm test” for detection of ascending aortic aneurysm.
      reported low sensitivity (7.5%) but high specificity (98.5%) for the thumb-palm test in detecting ascending aortic aneurysm. Their hospital-based study population comprised 305 patients undergoing cardiac surgery, including 93 patients (30.6%) with ascending aortic aneurysm as diagnosed by transesophageal echocardiography. The authors used these data to support their recommendation that “the thumb-palm test be part of the standard physical examination” because “patients who do have a positive sign have a very high likelihood of harboring an ascending aneurysm.”
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      1. Pierce K. Yale doctor explains how quick hand & thumb test can determine patient's risk of having aneurysm. News 8 wtnh.com. Available at: https://www.wtnh.com/news/health/yale-doctor-explains-how-quick-hand-thumb-test-can-determine-patients-risk-of-having-aneurysm/. Accessed on June 13, 2021.

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