Alternative titles; symbols. One such family has been reported. Weissman et al. Lebenthal et al.

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This table lists symptoms that people with this disease may have. For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. The HPO collects information on symptoms that have been described in medical resources. The HPO is updated regularly.

The exact cause of arthrogryposis multiplex congenita AMC is not fully understood. AMC is thought to be related to decreased fetal movement during development, which can occur for a variety of reasons.

Lack of joint movement also means that tendons connected to the joint are not stretched to their normal length, which can make normal joint movement difficult. If you need medical advice, you can look for doctors or other healthcare professionals who have experience with this disease. You may find these specialists through advocacy organizations, clinical trials, or articles published in medical journals.

You may also want to contact a university or tertiary medical center in your area, because these centers tend to see more complex cases and have the latest technology and treatments.

They may be able to refer you to someone they know through conferences or research efforts. Some specialists may be willing to consult with you or your local doctors over the phone or by email if you can't travel to them for care. You can find more tips in our guide, How to Find a Disease Specialist. We also encourage you to explore the rest of this page to find resources that can help you find specialists. Research helps us better understand diseases and can lead to advances in diagnosis and treatment.

This section provides resources to help you learn about medical research and ways to get involved. Support and advocacy groups can help you connect with other patients and families, and they can provide valuable services. Many develop patient-centered information and are the driving force behind research for better treatments and possible cures.

They can direct you to research, resources, and services. Inclusion on this list is not an endorsement by GARD.

These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.

Questions sent to GARD may be posted here if the information could be helpful to others. We remove all identifying information when posting a question to protect your privacy. If you do not want your question posted, please let us know. National Institutes of Health. COVID is an emerging, rapidly evolving situation. Menu Search Home Diseases Arthrogryposis multiplex congenita. You can help advance rare disease research!

Musculoskeletal Diseases. Arthrogryposis multiplex congenita neurogenic type ; Arthrogryposis multiplex congenita whistling face ; Arthrogryposis renal dysfunction cholestasis syndrome. Summary Summary. Symptoms Symptoms. Arthrogryposis multiplex congenita AMC refers to the development of multiple joint contractures affecting two or more areas of the body prior to birth.

A contracture occurs when a joint becomes permanently fixed in a bent or straightened position, which can impact the function and range of motion of the joint. In people who are severely affected, every joint in the body can be involved, including the jaw and back. Soft tissue webbing may develop over the affected joint. The signs and symptoms associated with AMC can, therefore, vary greatly in range and severity depending on the underlying condition. Showing of 15 View All. Abnormality of the mucous membrane layer of stomach.

Abnormalities of the wrists. Flat nose. Recessed nasal ridge. Dislocated hips. Dislocation of hip. Swelling caused by excess lymph fluid under skin. High levels of amniotic fluid. Finger bends toward pinky.

Do you have more information about symptoms of this disease? We want to hear from you. Cause Cause. In most cases, the specific cause for this cannot be identified. Suspected causes include muscle diseases, maternal fever during pregnancy, and viruses which may damage the cells that transmit nerve impulses to the muscles. Insufficient room in the uterus for normal movement. For example, multiple fetuses may be present, the mother may lack normal amounts of amniotic fluid or there may be uterine structural abnormalities.

In these cases, arthrogryposis is usually accompanied by a wide range of other symptoms. Tendons, bones, joints or joint linings may develop abnormally. For example, tendons may not be connected to the proper place in a joint. AMC can be a component of numerous condition caused by environmental factors , single gene changes autosomal dominant , autosomal recessive , X-linked , chromosomal abnormalities and various syndromes.

Inheritance Inheritance. It can be a component of many different genetic conditions, including those caused by a single gene change or a chromosomal abnormality, such as trisomy Genetic conditions sometimes associated with AMC include some connective tissue disorders ; muscle disorders such as muscular dystrophies or congenital myopathies ; and certain mitochondrial disorders. Some cases are thought to have multifactorial inheritance, which means that both genetic and environmental factors may play a role in causing the condition.

Diagnosis Diagnosis. The intended audience for GTR is health care providers and researchers. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional. Treatment Treatment. The treatment of arthrogryposis multiplex congenita AMC varies based on the signs and symptoms present in each person and the severity of the condition. Early in life, physical therapy to stretch contractures can improve the range of motion of affected joints and prevent muscle atrophy.

Splits can also be used in combination with these stretching exercises. In these cases, surgery may be recommended to achieve better positioning and increase the range of motion in certain joints. Rarely, tendon transfers have been done to improve muscle function. Management Guidelines Project OrphanAnesthesia is a project whose aim is to create peer-reviewed, readily accessible guidelines for patients with rare diseases and for the anesthesiologists caring for them.

The project is a collaborative effort of the German Society of Anesthesiology and Intensive Care, Orphanet, the European Society of Pediatric Anesthesia, anesthetists and rare disease experts with the aim to contribute to patient safety.

Prognosis Prognosis. The long-term outlook prognosis for people with arthrogryposis multiplex congenita AMC depends on the severity of the condition, the underlying cause, and the affected person's response to therapy. The degree to which muscles and joints are affected varies significantly from person to person.

AMC can be associated with a variety of conditions that are each characterized by unique symptoms. With physical therapy and other available treatments, substantial improvement in joint function and mobility is normally possible. Most people with AMC are of normal intelligence and are able to lead productive, independent lives as adults. Statistics Statistics. AMC affects approximately 1 in 3, individuals in the United States.

The condition has been reported in individuals of Asian, African and European descent. The number of men and women affected is approximately equal. Do you have updated information on this disease? Find a Specialist Find a Specialist. Click on the link to access this list. Research Research. Clinical Research Resources ClinicalTrials. Click on the link to go to ClinicalTrials.

We strongly recommend that you talk with a trusted healthcare provider before choosing to participate in any clinical study. Although these projects may not conduct studies on humans, you may want to contact the investigators to learn more. To search for studies, enter the disease name in the "Text Search" box. Then click "Submit Query".

Organizations Organizations. Organizations Supporting this Disease.



This table lists symptoms that people with this disease may have. For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. The HPO collects information on symptoms that have been described in medical resources.


Arthrogryposis Multiplex Congenita

Arthrogryposis multiplex congenita AMC , or simply arthrogryposis , describes congenital joint contracture in two or more areas of the body. Children born with one or more joint contractures have abnormal fibrosis of the muscle tissue causing muscle shortening, and therefore are unable to perform active extension and flexion in the affected joint or joints. AMC has been divided into three groups: amyoplasia , distal arthrogryposis, and syndromic. Amyoplasia is characterized by severe joint contractures and muscle weakness.

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