Exclusion criteria | |
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1. Those who are taking calcium antagonists or beta-blockers as a treatment for CHHF | |
2. Those who are experiencing gangrene or ulceration in one or more fingers | |
3. Those who are diagnosed with hyperthyroidism or are currently medicated with thyroid drugs | |
4. Those who are diagnosed with autoimmune disease(s) | |
5. Those who are diagnosed as having tarsal tunnel syndrome or a positive Tinel’s sign and Phalen’s test | |
6. Those who are diagnosed with cervical disc herniation | |
7. Those who are diagnosed with diabetes | |
8. Those who are taking a drug that may influence CHF (e.g., anticoagulants) | |
9. Those with a moderate level of liver dysfunction (aspartate aminotransferase [AST] and alanine aminotransferase [ALT] levels both greater than 100 IU/L) or kidney dysfunction (creatinine [Cr] level greater than 2 mg/dL) | |
10. Those unable to give informed consent | |
11. Non-pregnant adult women with hemoglobin (Hb) level less than 7 g/dL, hematocrit level less than 26%, and white blood cell (WBC) count greater than 11,000/mm3 | |
12. Those whose average systolic blood pressure (SBP) is 180 mmHg or more or whose diastolic blood pressure (DBP) is 100 mmHg or more when measured twice | |
13. Those with suspected arrhythmia, as shown with an electrocardiogram (ECG), or those diagnosed with heart disease, such as ischemic heart disease | |
14. Those who are addicted to alcohol or drugs | |
15. Those who are pregnant (positive urine human chorionic gonadotropin [hCG]), lactating, or planning for pregnancy | |
16. Those diagnosed with malignant tumors | |
17. Those taking part in other clinical trials | |
18. Those who are unable to understand or speak Korean | |
19. Those who are judged to be unfit for the clinical trial by the researchers |