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Association between thoracic aortic disease and inguinal hernia.

Christian Olsson1, Per Eriksson2, Anders Franco-Cereceda1

  • 1Cardiovascular Surgery Unit, Department of Molecular Medicine and Surgery, Karolinska Institute, Stockholm, Sweden (C.O., A.F.C.).

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Summary

Thoracic aortic disease (TAD) is linked to a higher prevalence of inguinal hernia. This association suggests hernia may aid in detecting TAD, warranting further investigation.

Keywords:
aneurysmaortarisk factorssurgery

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Area of Science:

  • Cardiovascular Medicine
  • Surgical Research
  • Medical Diagnostics

Background:

  • Thoracic aortic disease (TAD) lacks widespread screening, unlike abdominal aortic aneurysm (AAA).
  • Inguinal hernia is a condition that may be associated with TAD.
  • Previous studies suggest an association between abdominal aortic aneurysm and hernia.

Purpose of the Study:

  • To investigate the hypothesis that thoracic aortic disease (TAD) is associated with an increased prevalence of inguinal hernia.
  • To determine if inguinal hernia is a clinically relevant indicator for detecting TAD.

Main Methods:

  • Nation-wide register data was utilized to compare inguinal hernia prevalence in subjects with TAD versus a non-TAD control group (isolated aortic stenosis).
  • Propensity score matching was employed to balance study groups.
  • Multivariable logistic regression analysis identified independent predictors of hernia.

Main Results:

  • Inguinal hernia prevalence was significantly higher in subjects with TAD (15%) compared to the non-TAD group (9.6%) (P=0.03).
  • This difference persisted after propensity score matching (13% in TAD vs. 8.9% in non-TAD, P<0.001).
  • Independent predictors for hernia included male sex, increased age, and the presence of TAD (OR 1.8, P=0.015).

Conclusions:

  • The prevalence of inguinal hernia is higher in patients with TAD than in the general population and in non-TAD controls.
  • TAD is independently associated with inguinal hernia.
  • The presence of inguinal hernia may be a significant factor in identifying individuals with TAD, meriting further research.