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Disease Profile

Isolated levocardia

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.

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Age of onset

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ICD-10

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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)

Situs inversus with levocardia; Isolated levocardia with situs inversus

Summary

Isolated levocardia is a type of situs inversus where the heart is located in the normal position, but there is a mirror-image reversal of other internal organs.[1] Isolated levocardia may occur alone or with heart defects, heart rhythm abnormalities (sick sinus syndrome or atrioventricular node disorder), spleen defects (absent, underdeveloped, or extra spleen), and intestinal malrotation. Long term outlook varies depending on the presence/absence of associated abnormalities, particularly heart defects. The cause of isolated levocardia is not known. It is not usually associated with chromosome abnormalities.[7363]

Diagnosis

Yes. In isolated levocardia it can be difficult to determine the position of the internal organs. Ultrasonography, CT, and MRI have been used alone and in combination to improve imaging of the internal organs and major blood vessels.[2][1]

In addition, a careful assessment of the spleen in the newborn is important. People with spleen dysfunction are at an increased risk for serious infection and benefit from prophylactic life-long antibiotics and vaccination. Barium contrast screening has been used for early detection of intestinal malrotation and to guide treatment. Also, long-term, infrequent follow-up of infants and adults with isoalted levocardia to monitor for heart rhythm problems is recommended.[2][1]

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.

Social Networking Websites

    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.

      In-Depth Information

      • MeSH® (Medical Subject Headings) is a terminology tool used by the National Library of Medicine. Click on the link to view information on this topic.
      • PubMed is a searchable database of medical literature and lists journal articles that discuss Isolated levocardia. Click on the link to view a sample search on this topic.

        Selected Full-Text Journal Articles

          References

          1. Ghawi H1, Zghouzi MM, Emahbes TM, Awad SM. Prenatal diagnosis of isolated levocardia and a structurally normal heart: two case reports and a review of the literature. Pediatr Cardiol. 2013 Apr; 34(4):1034-7. https://www.ncbi.nlm.nih.gov/pubmed/?term=Ghawi%5Bau%5D+levocardia. Accessed 3/10/2014.
          2. Gindes L, Hegesh J, Barkai G, Jacobson JM, Achiron R. Isolated levocardia: prenatal diagnosis, clinical importance, and literature review. J Ultrasound Med. 2007 Mar; 26(3):361-5. https://www.ncbi.nlm.nih.gov/pubmed/17324986. Accessed 3/10/2014.

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