14 February 2022
: Case report 
Guillain-Barré Syndrome After Ad26.COV2.S Vaccination
Unknown etiology, Unusual clinical course, Challenging differential diagnosis, Educational Purpose (only if useful for a systematic review or synthesis), Rare coexistence of disease or pathology
Hein Linn Thant1ABCDEFG*, Richard Morgan1ABCDEFG, Mario M. Paese1BCDG, Trevor Persaud1CDEG, Jose Diaz1EFG, Lina Hurtado12ABCGDOI: 10.12659/AJCR.935275
Am J Case Rep 2022; 23:e935275
Table 1. Muscle strength grading and deep tendon reflexes on days 14, 28, and 36.
| MRC | Day 14 | Day 28 | Day 36 | ||||
|---|---|---|---|---|---|---|---|
| Wrist Extension | 5/5 | 5/5 | 3/5 | 3/5 | 5/5 | 5/5 | |
| Wrist Flexion | 5/5 | 5/5 | 3/5 | 3/5 | 5/5 | 5/5 | |
| Elbow Extension | 5/5 | 5/5 | 3/5 | 3/5 | 5/5 | 5/5 | |
| Elbow Flexion | 5/5 | 5/5 | 3/5 | 3/5 | 5/5 | 5/5 | |
| Shoulder Abduction | 5/5 | 5/5 | 3/5 | 3/5 | 5/5 | 5/5 | |
| Ankle Dorsiflexion | 4/5 | 3/5 | 3/5 | 3/5 | 4/5 | 4/5 | |
| Ankle Plantarflexion | 4/5 | 3/5 | 3/5 | 3/5 | 4/5 | 4/5 | |
| Knee Extension | 4/5 | 3/5 | 3/5 | 3/5 | 4/5 | 4/5 | |
| Knee Flexion | 4/5 | 3/5 | 3/5 | 3/5 | 4/5 | 4/5 | |
| Hip Flexion | 5/5 | 3/5 | 3/5 | 3/5 | 4/5 | 3/5 | |
| MRC – Medical Research Council; DTR – Deep Tendon Reflexes. Medical Research Council muscle strength scale (Graded 0–5). NINDS (National Institute of Neurological Disorders and Stroke) Myotatic Reflex Scale for deep tendon reflexes (Graded 0–4). | |||||||
| DTR | Day 14 | Day 21 | Day 36 | ||||
| Patellar | 1/4 | 1/4 | 0/4 | 0/4 | 1/4 | 1/4 | |
| Ankle | 1/4 | 1/4 | 0/4 | 0/4 | 1/4 | 1/4 | |
| Brachioradialis | 2/4 | 2/4 | 1/4 | 1/4 | 2/4 | 2/4 | |
| Biceps | 2/4 | 2/4 | 1/4 | 1/4 | 2/4 | 2/4 | |
| Triceps | 2/4 | 2/4 | 1/4 | 1/4 | 2/4 | 2/4 | |
| MRC – Medical Research Council; DTR – Deep Tendon Reflexes. Medical Research Council muscle strength scale (Graded 0–5). NINDS (National Institute of Neurological Disorders and Stroke) Myotatic Reflex Scale for deep tendon reflexes (Graded 0–4). | |||||||