The Gut–Heart Axis in Systemic Sclerosis: Evidence From a Large Prospective Early Disease Cohort - Summary - MDSpire

Investigating the Gut-Heart Relationship in Systemic Sclerosis: Insights from a Large Prospective Early Disease Study

  • By

  • Francesca R. Di Ciommo

  • Ashish P. Balar

  • Aidan K. Strother

  • Subhash Kulkarni

  • Michael Hughes

  • Brian Skaug

  • Maureen D. Mayes

  • Shervin Assassi

  • Ali Y. Ayla

  • Zsuzsanna H. McMahan

  • July 7, 2026

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Objective:

To determine whether specific baseline gastrointestinal (GI) manifestations could serve as early indicators of distinct types of future cardiac involvement in patients with systemic sclerosis (SSc).

Approach:
  • Patient Cohort: Utilized a multicenter, prospective cohort study involving patients with early SSc, focusing on demographic, psychological, and clinical data collected over time.
  • Clinical Phenotyping: Documented clinical data including age, sex, race, disease duration, cutaneous subtype, pulmonary involvement, and sicca symptoms.
  • GI Involvement: Longitudinally documented GI manifestations such as dysphagia, GERD, peptic ulcers, malabsorption, pseudo-obstruction, bloating, diarrhea, and constipation.
  • Cardiac Involvement: Defined cardiac involvement based on systolic dysfunction and conduction defects, measured through echocardiography and electrocardiography.
Key Findings:
  • Distinct cardiac phenotypes in SSc patients are associated with different types of GI involvement.
  • Upper GI manifestations correlate with conduction defects.
  • Lower GI involvement is linked to systolic dysfunction.
  • Incorporating GI symptoms into cardiac risk stratification may aid in early detection.
Interpretation:

The study presents a connection between GI and cardiac complications in SSc.

Limitations:
  • The predictive value of GI involvement for specific cardiac outcomes has not been thoroughly explored.
  • The study relies on patient-reported data and clinical documentation.
Conclusion:

The findings indicate an association between GI manifestations and cardiac involvement in SSc.

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