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1st Operator: Byeong-Keuk Kim / 2nd Operator: Byeong-Keuk Kim

Brief Case Summary

58/F
Exertional chest pain, DOE for 3 months
Referred from other hospital for failure of CTO recanalization of LAD

Past Medical History

  • Previous MI: N
  • Previous CABG : N
  • Previous PCI: N

Demographic Characteristics

  • Diabetes: N
  • Hypertension: N
  • Hyperlipidemia: N
  • Smoking: N
  • Family History: N
  • Age: 58
  • Sex: Female
  • Other: none

Clinical Presentation

Stable angina

Non-invasive Studies

Echocardiography

Mild hypokinesia at LAD territory, EF=54%

Treadmill test

7.0 METs. Positive

Coronary angiography (2019.03.19)

JL 7-4 + Fielder XT-A : lesion passage failure

Cardiac CT (2019.02.23)


J-CTO score: 2 (Difficult)
Probability of GW crossing 30 min: 35-42%

CT-RECTOR score: 2 (Difficult)
Probability of GW crossing 30 min: ~57%
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