Risk of critical limb ischemia in long-term uterine cancer survivors: A population-based study

Min Chi Chen, Jung Jung Chang, Miao Fen Chen, Ting Yao Wang, Cih En Huang, Kuan Der Lee, Chao Yu Chen

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

BACKGROUND The risk of critical limb ischemia (CLI) which causes ischemic pain or ischemic loss in the arteries of the lower extremities in long-term uterine cancer (UC) survivors remains unclear, especially in Asian patients, who are younger at the diagnosis of UC than their Western counterparts. AIM To conduct a nationwide population-based study to assess the risk of CLI in UC long-term survivors. METHODS UC survivors, defined as those who survived for longer than 5 years after the diagnosis, were identified and matched at a 1:4 ratio with normal controls. Stratified Cox models were used to assess the risk of CLI. RESULTS From 2000 to 2005, 1889 UC survivors who received surgery alone or surgery combined with radiotherapy (RT) were classified into younger (onset age < 50 years, n = 894) and older (onset age ≥ 50 years, n = 995) groups. While compared with normal controls, the younger patients with diabetes, hypertension, and receiving hormone replacement therapy (HRT) were more likely to develop CLI. In contrast, the risk of CLI was associated with adjuvant RT, obesity, hypertension, and HRT in the older group. Among the UC survivors, those who were diagnosed at an advanced age (> 65 years, aHR = 2.48, P = 0.011), had hypertension (aHR = 2.18, P = 0.008) or received HRT (aHR = 3.52, P = 0.020) were at a higher risk of CLI. CONCLUSION In this nationwide study, we found that the risk factors associated with CLI were similar in both cohorts except for adjuvant RT that was negligible in the younger group, but positive in the older group. Among the survivors, hypertension, advanced age, and HRT were more hazardous than RT. Secondary prevention should include CLI as a late complication in UC survivorship programs.

Original languageEnglish
Pages (from-to)13293-13303
Number of pages11
JournalWorld Journal of Clinical Cases
Volume10
Issue number36
DOIs
Publication statusPublished - Dec 2022
Externally publishedYes

Keywords

  • Critical limb ischemia
  • Radiotherapy
  • Survivorship
  • Uterine cancer

ASJC Scopus subject areas

  • General Medicine

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