Type 4 Waardenburg syndrome (also called Waardenburg-Shah syndrome) is characterized by symptoms of Hirschsprung's disease in addition to the classic features of hearing loss and pigmentation abnormalities.
[Effects of a vitamin B complex on functional recovery after nerve injury (author's transl)]. Hasegawa K, Mikuni N, Sakai Y. Functional recovery after nerve crushing was investigated in the following manner: Under pentobarbital anesthesia the sciatic nerve of the rat was crushed at the level of the hip (proximal crush) or the thigh (distal crush).
1 doctor agreed: Nerve injury repair: Nerves may be either peripheral or central. Those outside the brain and spinal cord generally have a coating of myelin that is sensitive to b vitamins, specifically b1, b6, b12, and folate (folic acid). Methylfolate (folic acid) and B12 are indicated in the treatment of diabetic peripheral neuropathy. But before just taking some, have yourself tested to determine if they are needed, and diagnose the reason for nerve injury.