{"product_id":"2940154130438","title":"Charcot Marie Tooth Disease, A Simple Guide To The Condition, Diagnosis, Treatment And Related Conditions","description":"\u003cp\u003eCharcot-Marie-Tooth disease (CMT) is one of the most frequent inherited neurological disorders, involving about 1 in 2,500 people in the USA.\u003cbr\u003eCMT, also termed hereditary motor and sensory neuropathy (HMSN) or peroneal muscular atrophy, consists of a group of disorders that affect peripheral nerves.\u003cbr\u003eDisorders that involve the peripheral nerves are called peripheral neuropathies.\u003c\/p\u003e\u003cp\u003eCharcot-Marie-Tooth (CMT) disease is a heterogeneous cluster of inherited peripheral neuropathies in which the neuropathy is the main effect of the disorder\u003cbr\u003eThe normal CMT phenotype affects distal limb muscle wasting and sensory loss, with proximal progression over time.\u003cbr\u003eThe disease course is different, indicating both genotypic and phenotypic heterogeneity.\u003cbr\u003eAutosomal dominant inheritance is the most frequent mode of inheritance but autosomal recessive, and CMT X-linked (CMTX) forms have also been recognized.\u003cbr\u003eMost autosomal dominant forms are of the CMT type 1 (CMT1) subgroup.\u003cbr\u003eCMT1A is the most frequent type.\u003cbr\u003eCMTX1 (X-linked, dominant) is the second most frequent type.\u003cbr\u003eOnline Mendelian Inheritance in Man (OMIM) gives detailed gene locus and abnormality data:\u003cbr\u003eThere are many forms of CMT disease, such as CMT1, CMT2, CMT3, CMT4, and CMTX.\u003cbr\u003eThe neuropathy of CMT involves both motor and sensory nerves.\u003cbr\u003eMotor nerves produce muscles to contract and manage voluntary muscle activity such as speaking, walking, breathing, and swallowing.\u003cbr\u003eA normal sign is weakness of the foot and lower leg muscles which may result in foot drop and a high-stepped gait with frequent tripping or falls.\u003cbr\u003eFoot deformities, such as high arches and hammertoes (a disorder in which the middle joint of a toe bends upwards) are also normal signs due to weakness of the small muscles in the feet.\u003cbr\u003eAlso, the lower legs may have an inverted champagne bottle appearance because of the loss of muscle bulk.\u003cbr\u003eAfterward in the disease, weakness and muscle atrophy may occur in the hands, resulting in problem with performing fine motor skills (the coordination of small movements typically in the fingers, hands, wrists, feet, and tongue).\u003cbr\u003eThe onset of symptoms is most often in adolescence or early adulthood, but some patients develop symptoms in mid-adulthood.\u003cbr\u003eEven though in rare cases, patients may have respiratory muscle weakness, CMT is not considered a fatal disorder and people with most forms of CMT have a normal life expectancy.\u003cbr\u003eIn the neurological examination a doctor will check for presence of muscle weakness in the patient's arms, legs, hands and feet, reduced muscle bulk, decreased tendon reflexes, and sensory loss.\u003cbr\u003eDoctors check for presence of foot deformities, such as high arches, hammertoes, inverted heel, or flat feet.\u003cbr\u003eA specific feature that may be found in people with CMT1 is nerve enlargement that may be palpated through the skin.\u003cbr\u003eThese enlarged nerves, termed hyper-trophic nerves, are caused by abnormally thickened myelin sheaths.\u003cbr\u003eIf CMT is suspected, the doctor may require electrodiagnostic tests.\u003cbr\u003eThis testing is made of two parts: nerve conduction studies and electromyography (EMG).\u003cbr\u003eA nerve biopsy requires excising a small piece of peripheral nerve through an incision in the skin\u003cbr\u003eTreatment:\u003cbr\u003ePresently there are no effective treatments to reverse or decrease the underlying disease process.\u003cbr\u003eSupportive treatment is given based on rehabilitation and surgical corrections of skeletal deformities.\u003cbr\u003eOrthotic devices and Night splinting are extensively used.\u003cbr\u003ePainkillers and anticonvulsants are useful treatments.\u003cbr\u003eTABLE OF CONTENT\u003cbr\u003eIntroduction\u003cbr\u003eChapter 1 Charcot Marie Tooth Disease\u003cbr\u003eChapter 2 Causes\u003cbr\u003eChapter 3 Symptoms\u003cbr\u003eChapter 4 Diagnosis\u003cbr\u003eChapter 5 Treatment\u003cbr\u003eChapter 6 Prognosis\u003cbr\u003eChapter 7 Neuralgia\u003cbr\u003eChapter 8 Peripheral Neuropathy\u003cbr\u003eEpilogue\u003c\/p\u003e","brand":"Kenneth Kee","offers":[{"title":"Default Title","offer_id":47111449903344,"sku":"2940154130438","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940154130438_p0.jpg?v=1764065610","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940154130438","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}