raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:422

Idiopathic/heritable pulmonary arterial hypertension

Synonyms: Idiopathic and/or familial pulmonary arterial hypertension

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant, Autosomal recessive, Not applicable
Age of onset
All ages
Status
active

A form of pulmonary arterial hypertension (PAH) characterized by elevated pulmonary arterial resistance leading to right heart failure; it is progressive and potentially fatal. The majority cases have an identifiable genetic cause, but a significant proportion are idiopathic.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIdiopathic/heritable pulmonary arterial hypertensionIdiopathic and/or familial pulmonary arterial hypertension
frHypertension artérielle pulmonaire idiopathique/familialeHypertension artérielle pulmonaire idiopathique et/ou familiale
dePulmonale arterielle Hypertonie, idiopathische/hereditärePulmonal-arterielle Hypertonie, idiopathische/familiäre
esHipertensión arterial pulmonar idiopática/hereditariaHipertensión arterial pulmonar idiopática y/o familiar
itIpertensione arteriosa polmonare familiare e/o idiopatica
nlIdiopathische/erfelijke pulmonale arteriële hypertensie
ptHipertensão arterial pulmonar idiopática/hereditáriaHipertensão arterial pulmonar idiopática e/ou familiar
plIdiopatyczne lub/i rodzinne tętnicze nadciśnienie płucne= en
csIdiopatická a/nebo familiární plicní arteriální hypertenze= en
ukІдіопатична/спадкова легенева артеріальна гіпертензіяІдіопатична та/або сімейна легенева артеріальна гіпертензія
zh特发性/遗传性肺动脉高压特发性和/或家族性肺动脉高压
trİdiyopatik / kalıtsal pulmoner arteriyel hipertansiyonİdiyopatik ve/veya ailesel pulmoner arteriyel hipertansiyon

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM178600Evalidated
OMIM265400BTNTvalidated
OMIM615342BTNTvalidated
OMIM615343BTNTvalidated
OMIM615344BTNTvalidated
ICD-10I27.0Especificvalidated
ICD-11BB01.0NTBTattributedvalidated
MONDO0008347Evalidated
UMLSC5679820Evalidated

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):

Children (2):

4

Genes

0 direct · 11 via subtypes

Orphanet records no gene directly on this code.

Recorded by Orphanet on subtypes of this disorder:

GeneSubtypeAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
ACVRL1ORPHA:275777Heritable pulmonary arterial hypertensionCandidate gene tested inNot yet assessedHGNC:175ENSG0000013956760128412q13.13activin A receptor like type 124951767[PMID]_24956016[PMID]_24936649[PMID]_22632830[PMID]_23298310[PMID]
ENGORPHA:275777Heritable pulmonary arterial hypertensionCandidate gene tested inNot yet assessedHGNC:3349ENSG000001069911311959q34.11endoglin24951767[PMID]_15687131[PMID]_15115879[PMID]_23298310[PMID]
BMPR2ORPHA:275777Heritable pulmonary arterial hypertensionDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:1078ENSG000002042176007992q33.1-q33.2bone morphogenetic protein receptor type 219555857[PMID]_20301658[PMID]_24951767[PMID]
EIF2AK4ORPHA:275777Heritable pulmonary arterial hypertensionDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:19687ENSG0000012882960928015q15.1eukaryotic translation initiation factor 2 alpha kinase 425512148[PMID]
KCNK3ORPHA:275777Heritable pulmonary arterial hypertensionDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:6278ENSG000001713036032202p23.3potassium two pore domain channel subfamily K member 323883380[PMID]_24951767[PMID]
ATP13A3ORPHA:275777Heritable pulmonary arterial hypertensionDisease-causing germline mutation(s) inAssessedHGNC:24113ENSG000001336576102323q29ATPase 13A334493544[PMID]
CAV1ORPHA:275777Heritable pulmonary arterial hypertensionDisease-causing germline mutation(s) inAssessedHGNC:1527ENSG000001059746010477q31.2caveolin 122474227[PMID]
GDF2ORPHA:275777Heritable pulmonary arterial hypertensionDisease-causing germline mutation(s) inAssessedHGNC:4217ENSG0000026376160512010q11.22growth differentiation factor 237249087[PMID]
SMAD9ORPHA:275777Heritable pulmonary arterial hypertensionDisease-causing germline mutation(s) inAssessedHGNC:6774ENSG0000012069360329513q13.3SMAD family member 921920918[PMID]
TBX4ORPHA:275777Heritable pulmonary arterial hypertensionDisease-causing germline mutation(s) inAssessedHGNC:11603ENSG0000012107560171917q23.2T-box transcription factor 423502781[PMID]_23592887[PMID]
SOX17ORPHA:275777Heritable pulmonary arterial hypertensionMajor susceptibility factor inAssessedHGNC:18122ENSG000001647366109288q11.23SRY-box transcription factor 1730029678[PMID]
5

Prevalence and incidence

7 records
TypeClassValueAreaQualificationValidationSource
Annual incidence1-9 / 1 000 0000.11 / 100 000United StatesValue and classValidated20558556[PMID]
Point prevalence1-9 / 1 000 0000.65 / 100 000FranceValue and classValidated16456139[PMID]
Annual incidence1-9 / 1 000 0000.1 / 100 000FranceValue and classValidated16456139[PMID]
Point prevalence1-9 / 100 0001.4 / 100 000Czech RepublicValue and classValidated24629043[PMID]
Annual incidence1-9 / 1 000 0000.62 / 100 000Czech RepublicValue and classValidated24629043[PMID]
Point prevalence1-9 / 100 0001 / 100 000EuropeValue and classValidated16456139[PMID]_24629043[PMID]
Point prevalence1-9 / 100 0006.25 / 100 000ChinaValue and classValidated34103049[PMID]

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

13 annotations · validated 2017-10-23
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0002092Pulmonary arterial hypertension
Frequent (79-30%)
HP:0011025Abnormality of cardiovascular system physiology
HP:0002094Dyspnea
Occasional (29-5%)
HP:0100749Chest pain
HP:0030848Elevated jugular venous pressure
HP:0012378Fatigue
HP:0030148Heart murmur
HP:0002240Hepatomegaly
HP:0001962Palpitations
HP:0005133Right ventricular dilatation
HP:0001279Syncope
HP:0005180Tricuspid regurgitation
Very rare (<4-1%)
HP:0010741Pedal edema

Run the differential on the 1 obligate / very frequent terms

Annotation source: 20301658[PMID]

7

Sources for this card