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Since the axon depends on its connection to the cell body, the disrupted axonal transport will cause segmental death of the axon distal to the injury site in a process called Wallerian degeneration. [4] This will result in a complete conduction block, leading to muscle weakness (motor nerve) or numbness (sensory nerve).
A hip fracture is a break that occurs in the upper part of the femur (thigh bone), at the femoral neck or (rarely) the femoral head. [2] Symptoms may include pain around the hip, particularly with movement, and shortening of the leg. [2] Usually the person cannot walk. [3] A hip fracture is usually a femoral neck fracture.
Nerve compression syndrome, or compression neuropathy, or nerve entrapment syndrome, is a medical condition caused by chronic, direct pressure on a peripheral nerve. [1] It is known colloquially as a trapped nerve, though this may also refer to nerve root compression (by a herniated disc, for example).
These injuries lead to an increase in morbidity and a greater likelihood that they will be admitted to a nursing home. [48] Approximately 95 percent of all hip fractures reported are due to an unforeseen fall and 25-75 percent of those do not recover fully to the mobility they had prior to the fall. [49]
A femoral fracture is a bone fracture that involves the femur. They are typically sustained in high-impact trauma, such as car crashes , due to the large amount of force needed to break the bone. Fractures of the diaphysis , or middle of the femur, are managed differently from those at the head, neck, and trochanter ; those are conventionally ...
Femoral head showing a flap of cartilage due to avascular necrosis (osteochondritis dissecans). Specimen removed during total hip replacement surgery. Specialty: Orthopedics: Symptoms: Joint pain, decreased ability to move [1] Complications: Osteoarthritis [1] Usual onset: Gradual [1] Risk factors: Bone fractures, joint dislocations, high dose ...
This can lead to considerable deformity and morbidity, including limb instability, ulceration, infection, and amputation. [ 3 ] The diagnosis of Charcot neuroarthropathy is made clinically and should be considered whenever a patient presents with warmth and swelling around a joint in the presence of neuropathy.
Stress on the hip causes the epiphysis to move posteriorly and medially, relative to the metaphysis. Although it is not the epiphysis that displaced, by convention, position and alignment in SCFE is described by referring to the relationship of the proximal fragment (capital femoral epiphysis) to the normal distal fragment (femoral neck).