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Disease Profile

Spinal muscular atrophy with respiratory distress 1

Prevalence
Prevalence estimates on Rare Medical Network websites are calculated based on data available from numerous sources, including US and European government statistics, the NIH, Orphanet, and published epidemiologic studies. Rare disease population data is recognized to be highly variable, and based on a wide variety of source data and methodologies, so the prevalence data on this site should be assumed to be estimated and cannot be considered to be absolutely correct.
<1 / 1 000 000

< 331

US Estimated

< 514

Europe Estimated

Age of onset

Infancy

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ICD-10

G12.2

Inheritance

Autosomal dominant A pathogenic variant in only one gene copy in each cell is sufficient to cause an autosomal dominant disease

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Autosomal recessive Pathogenic variants in both copies of each gene of the chromosome are needed to cause an autosomal recessive disease and observe the mutant phenotype

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X-linked
dominant X-linked dominant inheritance, sometimes referred to as X-linked dominance, is a mode of genetic inheritance by which a dominant gene is carried on the X chromosome.

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X-linked
recessive Pathogenic variants in both copies of a gene on the X chromosome cause an X-linked recessive disorder

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Mitochondrial or multigenic Mitochondrial genetic disorders can be caused by changes (mutations) in either the mitochondrial DNA or nuclear DNA that lead to dysfunction of the mitochondria and inadequate production of energy.

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Multigenic or multifactor Inheritance involving many factors, of which at least one is genetic but none is of overwhelming importance, as in the causation of a disease by multiple genetic and environmental factors.

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Not applicable

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Other names (AKA)

SMARD1; Spinal muscular atrophy, distal, autosomal recessive, 1; DSMA1;

Categories

Musculoskeletal Diseases

Symptoms

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. This information comes from a database called the Human Phenotype Ontology (HPO) . The HPO collects information on symptoms that have been described in medical resources. The HPO is updated regularly. Use the HPO ID to access more in-depth information about a symptom.

Medical Terms Other Names
Learn More:
HPO ID
Percent of people who have these symptoms is not available through HPO
Autosomal recessive inheritance
0000007
Axonal degeneration
0040078
Camptodactyly of finger
Permanent flexion of the finger
0100490
Constipation
0002019
Decreased fetal movement
Less than 10 fetal movements in 12 hours
0001558
Decreased nerve conduction velocity
0000762
Degeneration of anterior horn cells
0002398
Denervation of the diaphragm
0009109
Diaphragmatic eventration
0009110
Diaphragmatic paralysis
Paralyzed diaphragm
0006597
Distal amyotrophy
Distal muscle wasting
0003693
Distal muscle weakness
Weakness of outermost muscles
0002460
EMG: neuropathic changes
0003445
Failure to thrive
Faltering weight
Weight faltering

[ more ]

0001508
Hyperhidrosis
Excessive sweating
Increased sweating
Profuse sweating
Sweating
Sweating profusely
Sweating, increased

[ more ]

0000975
Hyporeflexia
Decreased reflex response
Decreased reflexes

[ more ]

0001265
Inspiratory stridor
0005348
Intrauterine growth retardation
Prenatal growth deficiency
Prenatal growth retardation

[ more ]

0001511
Limb muscle weakness
Limb weakness
0003690
Peripheral axonal degeneration
0000764
Premature birth
Premature delivery of affected infants
Preterm delivery

[ more ]

0001622
Respiratory failure
0002878
Small for gestational age
Birth weight less than 10th percentile
Low birth weight

[ more ]

0001518
Spinal muscular atrophy
Spinal muscle degeneration
Spinal muscle wasting

[ more ]

0007269
Tachypnea
Increased respiratory rate or depth of breathing
0002789
Talipes equinovarus
Club feet
Club foot
Clubfeet
Clubfoot

[ more ]

0001762
Urinary incontinence
Loss of bladder control
0000020
Ventilator dependence with inability to wean
0005946
Weak cry
0001612

Organizations

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. Many organizations also have experts who serve as medical advisors or provide lists of doctors/clinics. Visit the group’s website or contact them to learn about the services they offer. Inclusion on this list is not an endorsement by GARD.

Organizations Supporting this Disease

    Organizations Providing General Support

      Learn more

      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.

      Where to Start

      • Families of SMA has created a booklet entitled Understanding SMA that is intended to serve as a source of information and support for children and adults with Spinal Muscular Atrophy (SMA).
      • Genetics Home Reference (GHR) contains information on Spinal muscular atrophy with respiratory distress 1. This website is maintained by the National Library of Medicine.

        In-Depth Information

        • The Monarch Initiative brings together data about this condition from humans and other species to help physicians and biomedical researchers. Monarch’s tools are designed to make it easier to compare the signs and symptoms (phenotypes) of different diseases and discover common features. This initiative is a collaboration between several academic institutions across the world and is funded by the National Institutes of Health. Visit the website to explore the biology of this condition.
        • Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
        • PubMed is a searchable database of medical literature and lists journal articles that discuss Spinal muscular atrophy with respiratory distress 1. Click on the link to view a sample search on this topic.