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In 2016, we published an article applying Gene Ontology Analysis to the genes that had been reported to be associated with arthrogryposis (multiple congenital contractures) (Hall & Kiefer, 2016). At that time, 320 genes had been reported to have mutations associated with arthrogryposis. All were associated with decreased fetal movement. These 320 genes were analyzed by biological process and cellular...
Arthrogryposis multiplex congenita (AMC) is characterized by congenital joint contractures present in two or more body areas. Lack of fetal movement is the underlying cause of AMC, which can lead to abnormal connective tissue surrounding the joint resulting in stiffness and muscle atrophy. Treatment aims at improving function and mobility through surgical and/or conservative interventions. A scoping...
Arthrogryposis multiplex congenita (AMC) describes disorders with multiple joint contractures that arise from neurological, neuromuscular, or mechanical origin. Although impaired fetal movement is the typical clinical presentation, the etiology underlying this phenotype for a number of conditions remains unknown. In an effort to better characterize and define the etiologies underlying these disorders,...
A pediatric registry for arthrogryposis multiplex congenita (AMC) proposes to advance research by providing the platform to inform the distribution, etiology, and natural history of AMC. The registry was piloted on 40 families of children (mean = 8.25 years, 48% males) presenting with AMC across two hospitals in North America. Data on the child's demographic and newborn variables, mothers' and fathers'...
Arthrogryposis multiplex congenita, or AMC, is a clinical sign defined as congenital contractures of at least two joint levels. These joint contractures are always secondary to diminished fetal movement which can have numerous causes that affect any part of the anatomical structures implicated in movement: the central nervous system, the anterior horn cell, the nerve, the neuromuscular junction, the...
The 1st international symposium on arthrogryposis (ISA) was held in 2007 in Birmingham, UK, to bring together a multinational group of experts in the field of arthrogryposis, patients and their families to discuss various aspects of care for individuals with Arthrogryposis Multiplex Congenita (AMC). These “lessons learnt” set the tone for the 2nd ISA held in Saint Petersburg, Russia in 2014. Clinical...
The aim of this study was to describe satisfaction and quality of life (QOL) of young adults with arthrogryposis after leaving pediatric care. Twenty‐three adults with arthrogryposis multiplex congenital (AMC) followed at a single pediatric orthopedic hospital (average age 23.6 years; range 18–36 years; 9 males, 14 females) completed questionnaires related to demographics, mobility, and activities...
Arthrogryposis multiplex congenita (AMC) has been described and defined in thousands of articles, but the terminology used has been inconsistent in clinical and research communities. A definition of AMC was recently developed using a modified Delphi consensus method involving 25 experts in the field of AMC from 8 countries. Participants included health care professionals, researchers, and individuals...
Arthrogryposis or AMC, arthrogryposis multiplex congenita, is defined as multiple congenital joint contractures in more than two joints and in different body areas. The common cause of all AMC is lack of movement in utero, which in turn can have different causes, one of which is CNS involvement. Intellectual disability/CNS involvement is found in approximately 25% of all AMC. AMC with CNS involvement...
This Special Issue on Interdisciplinary Care in Arthrogryposis highlights a collection of articles spanning topics in interdisciplinary care, genetic discoveries, and clinical research. An international group of clinicians and researchers from various backgrounds who attended the “3rd International Symposium on Arthrogryposis”, held in Philadelphia, September 24–26, 2018, were invited to contribute...
In this multiauthored article, the management of lower limb deformities in children with arthrogryposis (specifically Amyoplasia) is discussed. Separate sections address various hip, knee, foot, and ankle issues as well as orthotic treatment and functional outcomes. The importance of very early and aggressive management of these deformities in the form of intensive physiotherapy (with its various...
Clinical interventions and research have mostly focused on the orthopedic and genetic outcomes of individuals with arthrogryposis multiplex congenita (AMC), and although pain has gained recognition as an important issue experienced by individuals with AMC, it has received little attention within the AMC literature. The aims of this scoping review were to describe the pain experiences of children and...
Perhaps the most dramatic position of a newborn after delivery is when there is hyperextension of the neck and spine. It will have been presented in utero and today, almost always, such babies will have been delivered by C‐section. The associated anomalies are variable. The process(es) that can lead to cervical hyperextension is/are largely unknown. The outcome is variable from lethal to completely...
Upper extremity involvement in patients with arthrogryposis multiplex congentia is quite frequent. Treatment initially consists of stretching and splinting as significant gains can be seen in the first years of life. The goal of any surgical procedure is to improve upper extremity function and performance of daily living activities, yet it is important to treat each patient individually and understand...
Arthrogryposis multiplex congenita (AMC) can be a perplexing diagnosis that consists of limited range of motion (ROM) and decreased muscle strength in multiple joints. The person with AMC often possesses a certain tenacity and “spunk” that assists them with adjusting and adapting to the realities of daily life. The rehabilitation process assists the individual with AMC in achieving and maintaining...
Antenatal identification of fetuses with multiple congenital contractures or arthrogryposis multiplex congenita (AMC) may be challenging. The first clinical sign is often reduced fetal movement and/or contractures, as seen on prenatal ultrasounds. This can be apparent at any point, from early to late pregnancy, may range from mild to severe involvement, with or without associated other structural...
Children with arthrogryposis multiplex congenita (AMC) often exhibit arm movement impairments that can negatively impact activities of daily living, such as reaching, object exploration, object play, and self‐care. This study evaluated the effects of intervention involving the Playskin Lift™ (Playskin) exoskeletal garment on arm function during object play for children with AMC. Seventeen children...
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