raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:3400

Aorto-ventricular tunnel

Type
Morphological anomaly
Group
Disorder
Inheritance
Not applicable
Age of onset
Infancy, Neonatal
Status
active

A congenital, extracardiac channel which connects the ascending aorta above the sinotubular junction to the cavity of the left, or (less commonly) right ventricle.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAorto-ventricular tunnel
frTunnel aorto-ventriculaire
deAorto-ventrikulärer Tunnel
esTúnel ventrículo izquierdo-aorta
itTunnel aorto-ventricolare
nlAortoventriculaire tunnel
ptTúnel aorta-ventrículo
plTunel aortalno-komorowy
csAortoventrikulární tunel
ukАорто-лівошлуночковий тунель
zh主动脉-心室隧道
trAorto-ventriküler tünel

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q20.8NTBTattributedvalidated
ICD-11LA8A.YNTBTindexvalidated
MONDO0018082Evalidated
MeSHD000082903Evalidated
UMLSC4023262Evalidated

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 (1):

Children (2):

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families130 casesWorldwideCase(s)ValidatedORPHANET
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

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

8 annotations · validated 2016-07-29
HPOTerm (as annotated by Orphanet)Diagnostic
Obligate (100%)
HP:0011627Aorto-ventricular tunnel
Very frequent (99-80%)
HP:0001714Ventricular hypertrophy
Frequent (79-30%)
HP:0001679Abnormal aortic morphology
HP:0006704Abnormal coronary artery morphology
HP:0001654Abnormal heart valve morphology
HP:0002616Aortic root aneurysm
HP:0001635Congestive heart failure
Occasional (29-5%)
HP:0030148Heart murmur

Run the differential on the 2 obligate / very frequent terms

Annotation source: 17922908[PMID]

7

Sources for this card