raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:275766

Idiopathic pulmonary arterial hypertension

Synonyms: IPAH · Primary pulmonary arterial hypertension

Type
Etiological subtype
Group
Subtype of disorder
Inheritance
Not applicable
Age of onset
All ages
Status
active

Idiopathic pulmonary arterial hypertension (IPAH) is a sporadic form of pulmonary arterial hypertension (PAH) characterized by elevated pulmonary arterial resistance leading to right heart failure. IPAH is progressive and potentially fatal and not associated with an underlying condition or family history of PAH.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIdiopathic pulmonary arterial hypertensionIPAH · Primary pulmonary arterial hypertension
frHypertension artérielle pulmonaire idiopathiqueHTAPi · Hypertension artérielle pulmonaire primitive · IPAH
dePulmonale arterielle Hypertonie, idiopathischeIPAH · Primäre pulmonale arterielle Hypertension · Sporadische pulmonale arterielle Hypertension
esHipertensión arterial pulmonar idiopáticaHAPI · Hipertensión arterial pulmonar primaria · IPAH
itIpertensione arteriosa polmonare idiopaticaIPAH · Ipertensione arteriosa polmonare primitiva
nlIdiopathische pulmonale arteriële hypertensieIPAH · Idiopathische hypertensie in longslagader · Primaire pulmonale arteriële hypertensie
ptHipertensão arterial pulmonar idiopática
plIdiopatyczne tętnicze nadciśnienie płucneIPAH · Pierwotne tętnicze nadciśnienie płucne
csIdiopatická plicní arteriální hypertenzeIPAH · Primární plicní arteriální hypertenze
ukІдіопатична легенева артеріальна гіпертензіяIPAH · Первинна легенева артеріальна гіпертензія
zh特发性肺动脉高压原发性肺动脉高压
trİdiyopatik pulmoner arteriyel hipertansiyonIPAH · Primer pulmoner arteriyel hipertansiyon

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10I27.0NTBTattributedvalidated
ICD-11BB01.0NTBTindexvalidated
MONDO0017147Evalidated
MONDO17147Evalidated
MONDO1999Evalidated
UMLSC3203102Evalidated
MedDRA10065151Evalidated

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):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

16 records
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 1 000 000—WorldwideClass onlyValidatedORPHANET
Point prevalence1-9 / 1 000 0000.59 / 100 000FranceValue and classValidated16456139[PMID]
Annual incidence1-9 / 1 000 0000.1 / 100 000FranceValue and classValidated16456139[PMID]
Point prevalence1-9 / 1 000 0000.56 / 100 000SpainValue and classValidated22362843[PMID]
Annual incidence1-9 / 1 000 0000.12 / 100 000SpainValue and classValidated22362843[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 / 1 000 0000.86 / 100 000SwitzerlandValue and classValidated18587690[PMID]
Annual incidence1-9 / 1 000 0000.12 / 100 000SwitzerlandValue and classValidated18587690[PMID]
Annual incidence1-9 / 1 000 0000.25 / 100 000United KingdomValue and classValidated21885399[PMID]_17360728[PMID]
Point prevalence1-9 / 100 0001.7 / 100 000United KingdomValue and classValidated21885399[PMID]_17360728[PMID]
Annual incidence1-9 / 1 000 0000.11 / 100 000United StatesValue and classValidated20558556[PMID]
Annual incidence1-9 / 1 000 0000.17 / 100 000BelgiumValue and classValidated8692238[PMID]
Annual incidence1-9 / 1 000 0000.14 / 100 000IsraelValue and classValidated11399707[PMID]
Point prevalence1-9 / 1 000 0000.8 / 100 000IsraelValue and classValidated11399707[PMID]
Point prevalence1-9 / 100 0001.1 / 100 000EuropeValue and classValidated16456139[PMID]_22362843[PMID]_18587690[PMID]_21885399[PMID]_17360728[PMID]_24629043[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

18 annotations · validated 2016-12-19
HPOTerm (as annotated by Orphanet)Diagnostic
Obligate (100%)
HP:0002094Dyspnea
Very frequent (99-80%)
HP:3000042Abnormal jugular vein morphology
HP:0004890Elevated pulmonary artery pressure
HP:0005317Increased pulmonary vascular resistance
HP:0002092Pulmonary arterial hypertension
HP:0001667Right ventricular hypertrophy
Frequent (79-30%)
HP:0001785Ankle swelling
HP:0100749Chest pain
HP:0001635Congestive heart failure
HP:0012098Edema of the dorsum of feet
HP:0030148Heart murmur
HP:0001279Syncope
HP:0005180Tricuspid regurgitation
Occasional (29-5%)
HP:0002105Hemoptysis
HP:0001962Palpitations
HP:0010741Pedal edema
Excluded (0%)
HP:0003549Abnormality of connective tissue
HP:0004870Chronic hemolytic anemia

Run the differential on the 6 obligate / very frequent terms

Annotation source: 13396080[PMID]_27888398[PMID]_27390285[PMID]_25469067[PMID]

7

Sources for this card