raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:99050

Abnormal origin of right or left pulmonary artery from the aorta

Synonyms: Hemitruncus arteriosus · Pulmonary artery coming from the aorta

Type
Morphological anomaly
Group
Disorder
Age of onset
Infancy, Neonatal
Status
active

A rare, congenital, heart malformation characterized by anomalous origin of one branch of the pulmonary arteries directly from the aorta and a normal origin of the other pulmonary artery from the main pulmonary artery coming from the right ventricular outflow tract. Patients present respiratory distress, congestive heart failure and failure to thrive within the first days/months of life.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAbnormal origin of right or left pulmonary artery from the aortaHemitruncus arteriosus · Pulmonary artery coming from the aorta
frArtère pulmonaire gauche ou droite d'origine aortiqueArtère pulmonaire naissant de l'aorte · Hemitruncus arteriosus
dePulmonalarterie, der Aorta entstammendAbnormaler Ursprung der rechten oder linken Pulmonalarterie aus der Aorta · Hemitruncus arteriosus · Ursprungsanomalie der rechten oder linken Pulmonalarterie
esOrigen anómalo de la arteria pulmonar derecha o izquierda de la aortaHemitruncus arterioso
itAnomala origine dell'arteria polmonare destra o sinistra dall'aortaArteria polmonare di origine aortica · Hemitruncus arteriosus
nlAbnormale oorsprong van rechter- of linkerlongslagader in aortaLongslagader komende vanuit aorta · Hemitruncus arteriosus
ptArtéria pulmonar proveniente da aorta
plTętnica płucna odchodząca od aortyCzęściowy wspólny pień tętniczy · Nieprawidłowe odejście prawej lub lewej tętnicy płucnej od aorty
csPlicní tepna vycházející z aortyHemitruncus arteriosus · Abnormální počátek pravé nebo levé plicní tepny z aorty
ukАномальне походження правої або лівої легеневої артерії від аортиАртеріальний гемотрансфузійний синдром · Легенева артерія, що відходить від аорти
zh右肺动脉或左肺动脉自主动脉起源异常肺动脉主动脉起源
trAorttan sağ veya sol pulmoner arterin anormal orijiniHemitrunkus arteriozus · Aorttan gelen pulmoner arter

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q25.7NTBTattributedvalidated
ICD-11LA8B.1NTBTattributedvalidated
MONDO0020391Evalidated
UMLSC3838927Evalidated
GARD4586Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (2):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families200 casesWorldwideCase(s)Validated24182510[PMID]
Point prevalenceUnknown—WorldwideClass onlyValidated[EXPERT]

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

26 annotations · validated 2021-03-09
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0030680Abnormal cardiovascular system morphology
HP:0005143Anomalous origin of right pulmonary artery from ascending aorta
Frequent (79-30%)
HP:0001631Atrial septal defect
HP:0001635Congestive heart failure
HP:0000961Cyanosis
HP:0002875Exertional dyspnea
HP:0001508Failure to thrive
HP:0032092Left ventricular outflow tract obstruction
HP:0012382Left-to-right shunt
HP:0001643Patent ductus arteriosus
HP:0002205Recurrent respiratory infections
Occasional (29-5%)
HP:0012303Abnormal aortic arch morphology
HP:0011661Anomalous origin of left pulmonary artery from ascending aorta
HP:0011604Aortopulmonary window
HP:0031014Arteria lusoria
HP:0030148Heart murmur
HP:0002092Pulmonary arterial hypertension
HP:0001636Tetralogy of Fallot
HP:0001669Transposition of the great arteries
HP:0001629Ventricular septal defect
Very rare (<4-1%)
HP:0031934Abnormal descending aorta morphology
HP:0001680Coarctation of aorta
HP:0004383Hypoplastic left heart
HP:0004935Pulmonary artery atresia
HP:0002089Pulmonary hypoplasia
HP:0012020Right aortic arch

Run the differential on the 2 obligate / very frequent terms

Annotation source: 25905931[PMID]_32854517[PMID]_22467006[PMID]

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Sources for this card