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Patient 1—Six-minute walk test.
| Date | Walking distance (m) | Respiration score | Lower limb score | Heart failure severity assessment |
|---|---|---|---|---|
| January 12, 2024 (Pre-occlusion) | 239 | 0 | 9–10 | Moderate |
| June 12, 2024 (3 months post-operation) | 333 | 0 | 9–10 | Moderate |
| August 20, 2024 (over 5 months post-operation) | 390 | 0 | 6–8 | Moderate |
