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International Journal of Colorectal Disease

, Volume 33, Issue 10, pp 1497–1500 | Cite as

Risk factors and clinical courses of concomitant primary sclerosing cholangitis and ulcerative colitis: a Korean multicenter study

  • Yong Eun Park
  • Jae Hee CheonEmail author
  • Jae Jun Park
  • Yoon Jae Kim
  • Chang Hwan Choi
  • Yehyun Park
  • Soo Jung Park
  • Tae Il Kim
  • Won Ho Kim
Short Communication
  • 170 Downloads

Abstract

Background

Primary sclerosing cholangitis (PSC) is a rare progressive cholestatic liver disease of unknown causes, but is strongly associated with inflammatory bowel diseases (IBDs), particularly ulcerative colitis (UC). However, studies comparing risk factors and clinical courses of patients with concomitant UC and PSC with those of patients with PSC alone are lacking.

Methods

We retrospectively reviewed patients with PSC diagnosed between 2005 and 2017 in four tertiary hospitals in Korea. We compared the risk factors and outcomes of concomitant UC and PSC (UC-PSC) and those of PSC alone.

Results

PSC was diagnosed in 50 patients in four different tertiary hospitals in Korea. Of them, 18 patients (36.0%) had UC-PSC and 32 patients (64.0%) had PSC alone. The median age at PSC diagnosis was younger in the UC-PSC group than that in the PSC alone group (37 vs. 54 years, P = 0.002). In multivariate analysis, older age at PSC diagnosis (P = 0.007; odds ratio [OR], 0.884; 95% confidence interval [CI], 0.808–0.966) and current smoking habit (P = 0.033; OR, 0.026; 95% CI, 0.001–0.748) were determined to be independent factors for reducing the possibility of developing concomitant UC after PSC. Additionally, UC-PSC was shown to be an independent risk factor for the development of colorectal dysplasia (P = 0.044; OR, 10.829; 95% CI, 1.065–110.127).

Conclusions

Our analysis showed that UC-PSC is more likely to be negatively associated with current smoking and older age at the time of PSC diagnosis. Moreover, UC-PSC increased the risk of colorectal dysplasia.

Keywords

Primary sclerosing cholangitis Ulcerative colitis Inflammatory bowel disease Risk factor Outcome assessment 

Notes

Specific author contributions

Yong Eun Park: acquisition of data; analysis and interpretation of data; drafting of the manuscript. Jae Jun Park: acquisition of data; study concept and design. Yoon Jae Kim: acquisition of data; study concept and design. Chang Hwan Choi: acquisition of data; study concept and design. Yehyun Park: study concept and design; critical revision of the manuscript for important intellectual content. Soo Jung Park: study concept and design; critical revision of the manuscript for important intellectual content. Tae Il Kim: study concept and design; critical revision of the manuscript for important intellectual content. Won Ho Kim: study concept and design; critical revision of the manuscript for important intellectual content. Jae Hee Cheon: acquisition of data; study concept and design; critical revision of the manuscript for important intellectual content. All authors approved the final version of the article, including the authorship list.

Source of funding

This research was supported by a grant (NRF-2017R1A1A1A05001011) from the Basic Science Research Program through the National Research Foundation of Korea, which is funded by the Ministry of Science, ICT and Future Planning.

Compliance with ethical standards

This study was performed in accordance with the ethical guidelines of the 1975 Declaration of Helsinki and approved by the Institutional Review Board of Severance Hospital.

Conflict of interest

The authors declare that they have no conflicts of interest.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Yong Eun Park
    • 1
    • 2
  • Jae Hee Cheon
    • 1
    • 3
    Email author
  • Jae Jun Park
    • 4
  • Yoon Jae Kim
    • 5
  • Chang Hwan Choi
    • 6
  • Yehyun Park
    • 1
    • 3
  • Soo Jung Park
    • 1
    • 3
  • Tae Il Kim
    • 1
    • 3
  • Won Ho Kim
    • 1
    • 3
  1. 1.Department of Internal MedicineYonsei University College of MedicineSeoulKorea
  2. 2.Division of Gastroenterology, Department of Internal MedicineInje University School of Medicine, Haeundae Paik HospitalBusanRepublic of Korea
  3. 3.Institute of GastroenterologyYonsei University College of MedicineSeoulKorea
  4. 4.Department of Internal Medicine, Gangnam Severance HospitalYonsei University College of MedicineSeoulKorea
  5. 5.Department of GastroenterologyGachon University, Gil Medical CenterIncheonKorea
  6. 6.Department of Internal MedicineChung-Ang University College of MedicineSeoulKorea

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