raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1456

Middle aortic syndrome

Synonyms: Abdominal coarctation · Coarctation of the abdominal aorta · MAC · Mid-aortic dysplastic syndrome · Mid-aortic syndrome · Midaortic syndrome · Middle aortic coarctation

Type
Morphological anomaly
Group
Disorder
Inheritance
Not applicable
Age of onset
Childhood
Status
active

A rare vascular anomaly characterized by the segmental narrowing of the abdominal and/or distal descending thoracic aorta, with varying involvement of the visceral and renal arteries, that commonly presents in children and young adults with early onset and refractory hypertension, abdominal angina, and lower-limb claudication, that can lead to life-threatening complications associated with severe hypertension (i.e. myocardial infarction, heart failure, aortic rupture, renal insufficiency and intracranial hemorrhage). It may be due to various congenital or acquired causes, but it is most often secondary to an acquired inflammatory disease (i.e. Takayasu arteritis or giant cell arteritis).

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enMiddle aortic syndromeAbdominal coarctation · Coarctation of the abdominal aorta · MAC · Mid-aortic dysplastic syndrome · Mid-aortic syndrome · Midaortic syndrome · Middle aortic coarctation
frCoarctation atypique de l'aorteCoarctation aortique atypique · Coarctation de l'aorte abdominale · Syndrome "mid-aortic"
deMid-Aortic-SyndromAortenkoarktation, abdominale · Aortenkoarktation, mittlere · MAS
esSíndrome aórtico medioCoartación abdominal · Coartación aórtica media · Coartación de la aorta abdominal · Síndrome aorto-medial · Síndrome de aorta media · Síndrome displásico de aorta media
itSindrome dell'aorta mediaCoartazione addominale · Coartazione dell'aorta addominale · Coartazione medioaortica · MAC · Sindrome medio-aortica · Sindrome medio-aortica displastica · Sindrome medioaortica
nlMid-aorta syndroomAbdominale coarctatie · Coarctatie van abdominale aorta · Coarctatie van aorta abdominalis · MAC · Mid-aorta coarctatie · Mid-aorta dysplastisch syndroom
ptSíndrome aórtico médioCoartação abdominal · Coartação aórtica média · Coartação da aorta abdominal · MAC · Síndrome displásico aórtico médio · Síndrome médio-aórtico
plZespół aorty brzusznejKoarktacja aorty brzusznej · Zespół dysplastycznej aorty brzusznej · Zespół zwężenia aorty brzusznej · Zespół zwężenia aorty brzusznej · Zespół zwężenia aorty brzusznej
csAtypická koarktace aortyKoarktace břišní aorty · Syndrom dysplázie střední aorty · Syndrom střední aorty · Syndrom břišní aorty
ukMid-aortic синдром (синдром звуження черевного відділу аорти)Коарктація черевної порожнини · Коарктація черевної аорти · MAC · Диспластичний синдром середнього відділу аорти · Мідаортальний синдром · Синдром середнього відділу аорти · Коарктація середнього відділу аорти
zh非典型主动脉缩窄腹主动脉缩窄
trAortun atipik koarktasyonuMidaortik sendrom · Mid-aortik sendromu · Orta aortik sendromu · Mid-aortik displastik sendrom · Abdominal aortun koarktasyonu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q25.1NTBTattributedvalidated
ICD-11LA8B.21NTBTindexvalidated
MONDO0015446Evalidated
UMLSC3496579Evalidated

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

2 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 1 000 0000.17 / 100 000EuropeValue and classNot yet validatedORPHANET
Point prevalence<1 / 1 000 000—EuropeClass onlyNot yet validatedORPHANET

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

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card