Fabry disease is an X-linked metabolic storage disorder due to the deficiency of lysosomal alpha-galactosidase A which causes accumulation of glycosphingolipids, primarily globotriaosylceramide, throughout the body. Gastrointestinal signs and symptoms-abdominal pain, nausea, diarrhea and diverticular disease--are some of the most frequently reported complaints in patients with Fabry disease but are often neglected. Gastrointestinal symptoms are due to intestinal dysmotility as well as impaired autonomic function, vasculopathy and myopathy. Since 2001, enzyme replacement therapy has been a mainstay in treatment of gastrointestinal symptoms of Fabry disease (FD), resulting in reduced gastrointestinal symptoms. Here, we report on four patients with Fabry disease (FD) who manifested early gastrointestinal involvement.
The authors present a study of the intrinsic anatomy of the gluteus medius m, and of its innervation through the caudal branch of the superior gluteal n. The existence of an intramuscular tendon in the thickness of the gluteus medius was constantly prooved in 40 muscles. The relations of the intrinsic fibrous structure of the muscle and its innervation were studied. The authors deduce from that the topography of a gluteus medius incision, with respect to a safety area towards its innervation, which leads to an exposure of the acetabulum that is satisfying and gives opportunities of a sound repair after the surgery of the hip joint through the transgluteal approach. They propose the "anterior hemimyotomy of the gluteus medius m" designation.
Fabry disease is an inherited metabolic disorder characterized by progressive lysosomal accumulation of glycolipids in a variety of cell types, including neural cells. Small, unmyelinated nerve fibers are particularly affected and small fiber peripheral neuropathy often clinically manifests at a young age. Neuropathic pain and pain attacks are often the presenting symptoms of the disease and start at an average age of 9 years in male patients and 16 years in female patients, but currently a systematic literature review in early childhood showed the presence of these symptoms before the age of 5 years. Clinical studies have shown that enzyme replacement therapy may improve the overall pain scores and pain intensity in patients; improvements in pain outcomes have been sustained during the long-term follow-up, allowing many patients to reduce their use of pain medication. Some indirect evidence from dose-switching studies suggests that enzyme replacement therapy dose may be of relevance to pain outcomes. Considering that damage to small nerve fibers occurs early, prompt treatment is important in order to limit damage to the peripheral nervous system. In this article a comprehensive overview of the existing literature on small nerve fiber pathophysiology and the relationship with neuropathic pain and treatment response in children and adults with Fabry disease is presented.
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