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Colonic transit disorders in systemic sclerosis.

S J Wang1, J L Lan, D Y Chen

  • 1Department of Nuclear Medicine, Veterans General Hospital, Taichung, Taiwan. sjwang@vhgtc.vghtc.gov.tw

Clinical Rheumatology
|September 1, 2001
PubMed
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Systemic sclerosis (SS) commonly causes delayed colon transit, impacting gastrointestinal smooth muscle function. This study highlights the frequent occurrence of this delay in SS patients, potentially leading to severe complications.

Area of Science:

  • Gastroenterology
  • Rheumatology
  • Medical Imaging

Background:

  • Systemic sclerosis (SS) is a connective tissue disease affecting smooth muscle function.
  • Gastrointestinal involvement is common in SS, with the esophagus frequently affected.
  • Colonic involvement in SS, though less frequent, can lead to severe complications.

Purpose of the Study:

  • To investigate colon transit times in patients with Systemic Sclerosis (SS).
  • To compare colon transit in SS patients with age-matched healthy controls.

Main Methods:

  • Utilized radionuclide colon transit studies in 23 unselected SS patients and 20 healthy controls.
  • Assessed overall colonic transit using the geometric center (GC) at 4 and 24 hours.

Related Experiment Videos

Main Results:

  • Patients with SS exhibited significantly delayed colon transit compared to controls.
  • Delayed transit was evident at both 4-hour (GC4: 0.39 ± 0.36 vs 0.85 ± 0.45; P=0.001) and 24-hour (GC24: 1.68 ± 0.9 vs 2.58 ± 1.08; P=0.006) measurements.

Conclusions:

  • Delayed colon transit is a common finding in patients with Systemic Sclerosis.
  • These results underscore the gastrointestinal smooth muscle dysfunction in SS affecting the colon.