Cardiovascular System - Double Outlet Right Ventricle

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Introduction

Double Outlet Right Ventricle cartoon
Double Outlet Right Ventricle
  • 1-1.5% of Congenital Heart Disease
  • Both large arteries arise wholly or mainly from the right ventricle.
  • Arrangement of the atrioventricular valves and the ventriculoarterial connections are variable.
  • Clinical manifestations variable.


If the pulmonary trunk retains its location above the morphologically right ventricle, then the end result will be yet another variant of double outlet right ventricle, specifically with a subpulmonary interventricular communication. This variation is known as the Taussig-Bing malformation.


Heart Abnormal: Tutorial Abnormalities | atrial septal defects | double outlet right ventricle | hypoplastic left heart | patent ductus arteriosus‎ | transposition of the great vessels | Tetralogy of Fallot | ventricular septal defects | coarctation of the aorta | Category ASD | Category PDA | Category ToF | Category VSD | ICD10 - Cardiovascular | ICD11


Cardiovascular Links: cardiovascular | Heart Tutorial | Lecture - Early Vascular | Lecture - Heart | Movies | 2016 Cardiac Review | heart | coronary circulation | heart valve | heart rate | Circulation | blood | blood vessel | blood vessel histology | heart histology | Lymphatic | ductus venosus | spleen | Stage 22 | cardiovascular abnormalities | OMIM | 2012 ECHO Meeting | Category:Cardiovascular
Historic Embryology - Cardiovascular 
1902 Vena cava inferior | 1905 Brain Blood Vessels | 1909 Cervical Veins | 1909 Dorsal aorta and umbilical veins | 1912 Heart | 1912 Human Heart | 1914 Earliest Blood-Vessels | 1915 Congenital Cardiac Disease | 1915 Dura Venous Sinuses | 1916 Blood cell origin | 1916 Pars Membranacea Septi | 1919 Lower Limb Arteries | 1921 Human Brain Vascular | 1921 Spleen | 1922 Aortic-Arch System | 1922 Pig Forelimb Arteries | 1922 Chicken Pulmonary | 1923 Head Subcutaneous Plexus | 1923 Ductus Venosus | 1925 Venous Development | 1927 Stage 11 Heart | 1928 Heart Blood Flow | 1935 Aorta | 1935 Venous valves | 1938 Pars Membranacea Septi | 1938 Foramen Ovale | 1939 Atrio-Ventricular Valves | 1940 Vena cava inferior | 1940 Early Hematopoiesis | 1941 Blood Formation | 1942 Truncus and Conus Partitioning | Ziegler Heart Models | 1951 Heart Movie | 1954 Week 9 Heart | 1957 Cranial venous system | 1959 Brain Arterial Anastomoses | Historic Embryology Papers | 2012 ECHO Meeting | 2016 Cardiac Review | Historic Disclaimer

Some Recent Findings

  • HAND1 loss-of-function mutation contributes to congenital double outlet right ventricle[1] "In the present study, the coding exons and flanking introns of the heart and neural crest derivatives expressed transcript 1 (HAND1) gene, which encodes a basic helix‑loop‑helix transcription factor crucial for cardiovascular development, were sequenced in 158 unrelated patients with CHDs, and a de novo heterozygous mutation, p.K132X, was identified in a patient with double outlet right ventricle (DORV), as well as ventricular septal defect. The nonsense mutation, which was predicted to produce a truncated HAND1 protein lacking 84 carboxyl‑terminal amino acids, was absent in 600 control chromosomes. Functional analyses revealed that the HAND1 K132X mutant had no transcriptional activity. Furthermore, the mutation disrupted the synergistic activation between HAND1 and GATA binding protein 4 (GATA4), another cardiac core transcription factor causally linked to CHDs. To the best of our knowledge, this is the first report on the association of HAND1 loss‑of‑function mutation with an enhanced susceptibility to DORV in humans. These findings expand the phenotypic spectrum linked to HAND1 mutations, suggesting potential implications for the development of novelo prophylactic and therapeutic strategies for DORV."
More recent papers  
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Search term: Double Outlet Right Ventricle

<pubmed limit=5>Double Outlet Right Ventricle</pubmed>

Search term: Taussig-Bing malformation

<pubmed limit=5>Taussig-Bing malformation</pubmed>

International Classification of Diseases

The International Classification of Diseases (ICD) World Health Organization's classification used worldwide as the standard diagnostic tool for epidemiology, health management and clinical purposes. This includes the analysis of the general health situation of population groups. It is used to monitor the incidence and prevalence of diseases and other health problems.

ICD11

ICD-11 Structural developmental anomalies of the circulatory system (draft) 
ICD-11 Beta Draft - NOT FINAL, updated on a daily basis, It is not approved by WHO, NOT TO BE USED for CODING except for agreed FIELD TRIALS.

20 Developmental Anomalies - Structural Developmental Anomalies

Beta coding and tree structure for "structural developmental anomalies" within this section are shown in the table below.

Structural developmental anomalies of the circulatory system  
  • Structural developmental anomaly of heart and great vessels
    • LB00 Congenital heart or great vessel related acquired abnormality
    • LB01 Congenital anomaly of atrioventricular or ventriculo-arterial connections
      • LB01.1 Transposition of the great arteries
      • LB01.2 Double outlet right ventricle
      • LB01.3 Double outlet left ventricle
      • LB01.4 Common arterial trunk
      • LB01.Y Other specified congenital anomaly of atrioventricular or ventriculo-arterial connections
      • LB01.Z Congenital anomaly of atrioventricular or ventriculo-arterial connections, unspecified
    • LB02 Congenital anomaly of the mediastinal veins Congenital anomaly of atria or atrial septum
    • LB20 Congenital anomaly of atrioventricular valves or septum
    • LB21 Congenital anomaly of ventricles and ventricular septum
      • LB21.1 Congenital right ventricular outflow tract obstruction  
      • LB21.2 Double-chambered right ventricle  
      • LB21.3 Tetralogy of Fallot
      • LB21.4 Congenital left ventricular outflow tract obstruction  
      • LB21.5 Congenital ventricular septal defects 
      • LB21.Y Other specified congenital anomaly of ventricles and ventricular septum
      • LB21.Z Congenital anomaly of ventricles and ventricular septum, unspecified  
    • LB22 Functionally univentricular heart
    • LB23 Congenital anomaly of ventriculo-arterial valves and adjacent regions
    • LB24 Congenital anomaly of great arteries including arterial duct
      • LB.1 Congenital aorto-pulmonary window
      • LB.2 Congenital anomaly of pulmonary arterial tree
      • LB.3 Congenital anomaly of aorta and its branches
      • LB.4 Tracheo-oesophageal compressive syndrome
      • LB.5 Patent arterial duct
      • LB.Y Other specified congenital anomaly of great arteries including arterial duct
      • LB.Z Congenital anomaly of great arteries including arterial duct, unspecified
    • LB25 Anomalous position-orientation of heart
    • LB26 Total mirror imagery
    • LB27 Left isomerism
    • LB28 Congenital anomaly of coronary arteries
    • LB29 Structural developmental anomalies of the pericardium
    • LB2Y Other specified structural developmental anomaly of heart and great vessels
    • LB2Z Structural developmental anomaly of heart and great vessels, unspecified
  • LB30 Structural developmental anomalies of the peripheral vascular system
    • LB30.1 Capillary malformations
    • LB30.2 Lymphatic malformations
      • LB30.21 Macrocystic lymphatic malformation
      • LB30.22 Microcystic lymphatic malformation
      • LB30.23 Cystic hygroma in fetus
      • BD23.1 Primary lymphoedema
          • EK91 Yellow nail syndrome
          • LC5F.26 Noonan syndrome
      • LB30.2Y Other specified lymphatic malformations
      • LB30.2Z Lymphatic malformations, unspecified
    • LB30.3 Peripheral venous malformations
    • LB30.4 Peripheral arteriovenous malformations
    • LB30.5 Peripheral arterial malformations
    • LB30.6 Pulmonary arteriovenous fistula
    • LB30.Y Other specified structural developmental anomalies of the peripheral vascular system
    • LB30.Z Structural developmental anomalies of the peripheral vascular system, unspecified
  • LB3Y Other specified structural developmental anomalies of the circulatory system
  • LB3Z Structural developmental anomalies of the circulatory system, unspecified
CD-11 Beta Draft - NOT FINAL, updated on a daily basis, It is not approved by WHO, NOT TO BE USED for CODING except for agreed FIELD TRIALS.


See also International Classification of Diseases | Abnormalities


Anatomy

A human heart with double outlet from the right ventricle, but with a doubly committed interventricular communication. The proximal outflow cushions have fused, but have failed to muscularise. Because of this, the outlet septum, derived from the fused cushions, is fibrous and hypoplastic.

Anderson2016-fig47.jpg

Double Outlet from Right Ventricle

Genetics

HAND1

Heart-And Neural Crest Derivatives-Expressed 1 (HAND1) gene located at 5q32, is a 215-amino acid protein transcription factor that contains a bHLH region and several potential phosphorylation sites. The mouse and human sequences share 93% overall sequence identity.


Links: OMIM - HAND1

References

  1. <pubmed>28112363</pubmed>

Reviews

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Articles

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