Table 1. Long COVID symptom evaluation pre- and post-SGB.
*symptoms were rated on a 1-10 scale with 1 being the best and 10 being the worst; a questionnaire was administered to the patient before and after the stellate ganglion block.
SGB: stellate ganglion block
| Pre-SGB | Post-SGB | Percent Change (Pre-SGB/Post-SGB) | |
| General Symptoms | |||
| Fatigue that interferes with daily life | 8 | 4 | 50% |
| Symptoms that get worse after physical/mental effort | 8 | 3 | 38% |
| Fever | 0 | 0 | - |
| Respiratory or heart symptoms | - | ||
| Shortness of breath | 5 | 2 | 40% |
| Cough | 3 | 1 | 33% |
| Chest pain | 0 | 0 | - |
| Palpitations | 0 | 0 | - |
| Neurologic symptoms | |||
| Difficulty concentrating; "brain fog" | 0 | 0 | - |
| Headache | 0 | 0 | - |
| Sleep disturbance | 3 | 2 | 67% |
| Dizziness upon standing | 0 | 0 | - |
| Pins-and-needles feelings | 2 | 1 | 50% |
| Change in smell or taste | 0 | 0 | - |
| Depression or anxiety | 0 | 0 | - |
| Digestive symptoms | - | ||
| Diarrhea | 2 | 1 | 50% |
| Stomach pain | 2 | 0 | 0% |
| Other | - | ||
| Joint or muscle pain | 4 | 1 | 25% |
| Rash | 2 | 1 | 50% |