raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:75249

Familial isolated restrictive cardiomyopathy

Synonyms: Familial or idiopathic restrictive cardiomyopathy

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

A rare genetic cardiac disease characterized by restrictive ventricular filling due to high ventricular stiffness that results in severe diastolic dysfunction in the absence of dilated or hypertrophied ventricles.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFamilial isolated restrictive cardiomyopathyFamilial or idiopathic restrictive cardiomyopathy
frCardiomyopathie restrictive familiale isoléeCardiomyopathie restrictive familiale ou idiopathique
deKardiomyopathie, restriktive, familiäre isolierteKardiomyopathie, restriktive, familiäre oder idiopathische
esMiocardiopatía restrictiva familiar aisladaCardiomiopatía restrictiva aislada familiar · Miocardiopatía restrictiva aislada idiopática o familiar
itCardiomiopatia restrittiva isolata familiareCardiomiopatia restrittiva idiopatica o familiare
nlFamiliale geïsoleerde restrictieve cardiomyopathieFamiliale of idiopathische restrictieve cardiomyopathie
ptMiocardiopatia restritiva idiopática ou familiar
plRodzinna izolowana kardiomiopatia restrykcyjnaRodzinna lub idiopatyczna kardiomiopatia restrykcyjna
csFamiliární izolovaná restrikční kardiomyopatieFamiliární nebo idiopatická restrikční kardiomyopatie
ukСімейна ізольована рестриктивна кардіоміопатіяСімейна або ідіопатична рестриктивна кардіоміопатія
zh家族性孤立型限制性心肌病家族性或孤立型限制性心肌病
trAilesel izole kısıtlayıcı kardiyomiyopatiAilesel veya idiyopatik kısıtlayıcı kardiyomiyopati

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM115210BTNTvalidated
OMIM609578BTNTvalidated
OMIM612422BTNTvalidated
OMIM615248NTBTvalidated
OMIM617047NTBTvalidated
OMIM619433BTNTvalidated
ICD-10I42.5Especificvalidated
ICD-11BC43.2YNTBTindexvalidated
MONDO0019150Evalidated
UMLSC5680139Evalidated

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.

Codes that Orphanet moved or referred to this one:

4

Genes

5 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
KIF20ADisease-causing germline mutation(s) (loss of function) inAssessedHGNC:9787ENSG000001129846056645q31.2kinesin family member 20A29357359[PMID]
FLNCDisease-causing germline mutation(s) inAssessedHGNC:3756ENSG000001285911025657q32.1filamin C26666891[PMID]
MYPNDisease-causing germline mutation(s) inAssessedHGNC:23246ENSG0000013834760851710q21.3myopalladin22286171[PMID]
TNNI3Disease-causing germline mutation(s) inAssessedHGNC:11947ENSG0000012999119104419q13.42troponin I3, cardiac type12531876[PMID]
TNNT2Disease-causing germline mutation(s) inAssessedHGNC:11949ENSG000001181941910451q32.1troponin T2, cardiac type16651346[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—EuropeClass 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

20 annotations · validated 2020-02-12
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0005162Abnormal left ventricular function
Frequent (79-30%)
HP:0031329Interstitial cardiac fibrosis
HP:0031295Left atrial enlargement
HP:0030950Pulmonary venous hypertension
HP:0030718Right atrial enlargement
Occasional (29-5%)
HP:0005110Atrial fibrillation
HP:0002094Dyspnea
HP:0002240Hepatomegaly
HP:0001639Hypertrophic cardiomyopathy
HP:0001653Mitral regurgitation
HP:0012764Orthopnea
HP:0012398Peripheral edema
HP:0008897Postnatal growth retardation
HP:0100598Pulmonary edema
HP:0002205Recurrent respiratory infections
HP:0005115Supraventricular arrhythmia
HP:0005180Tricuspid regurgitation
Very rare (<4-1%)
HP:0001297Stroke
HP:0001279Syncope
HP:0001907Thromboembolism

Run the differential on the 1 obligate / very frequent terms

Annotation source: 28912187[PMID]_15542407[PMID]

7

Sources for this card