Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Structure of ductus arteriosus	Is a	Embryonic arterial structure (body structure)	true	Inferred relationship	Some
Structure of ductus arteriosus	Is a	Structure of intrathoracic blood vessel (body structure)	true	Inferred relationship	Some
Structure of ductus arteriosus	del af	Entire embryo	false	Additional relationship	Some
Structure of ductus arteriosus	del af	Entire arterial system (body structure)	false	Additional relationship	Some
Structure of ductus arteriosus	del af	Entire thorax	false	Additional relationship	Some
Structure of ductus arteriosus	Is a	Artery of thorax	true	Inferred relationship	Some

Inbound Relationships	Type	Active	Source	Characteristic	Refinability	Group
Anomalous insertion of arterial duct	Finding site	True	Structure of ductus arteriosus	Inferred relationship	Some	1
Abnormal origin of ductus arteriosus (disorder)	Finding site	False	Structure of ductus arteriosus	Inferred relationship	Some	2
Congenital absence of ductus arteriosus	Finding site	False	Structure of ductus arteriosus	Inferred relationship	Some	2
Bilateral arterial duct with patent left arterial duct and closed right arterial duct	Finding site	True	Structure of ductus arteriosus	Inferred relationship	Some	1
Congenital dilatation of ductus arteriosus	Finding site	False	Structure of ductus arteriosus	Inferred relationship	Some	2
Congenital abnormality of ductus arteriosus (disorder)	Finding site	False	Structure of ductus arteriosus	Inferred relationship	Some	2
Anomalous origin of ductus arteriosus from left carotid artery (disorder)	Finding site	True	Structure of ductus arteriosus	Inferred relationship	Some	1
Anomalous origin of ductus arteriosus from distal descending aorta (disorder)	Finding site	True	Structure of ductus arteriosus	Inferred relationship	Some	1
Anomalous insertion of ductus arteriosus into pulmonary trunk (disorder)	Finding site	True	Structure of ductus arteriosus	Inferred relationship	Some	1
Formalin infiltration of ductus arteriosus	Procedure site - Indirect (attribute)	True	Structure of ductus arteriosus	Inferred relationship	Some	2
A rare, congenital, arterial duct anomaly characterized by a saccular dilatation of the ductus arteriosus. It is often asymptomatic or presents shortly after birth with respiratory distress, stridor, cyanosis and/or weak cry. Complications, such as rupture, thromboembolism, infection, airway erosion and/or compression of the adjacent thoracic structures, can develop. Spontaneous resolution has been reported.	Finding site	False	Structure of ductus arteriosus	Inferred relationship	Some	2
A rare, congenital, arterial duct anomaly characterized by a saccular dilatation of the ductus arteriosus. It is often asymptomatic or presents shortly after birth with respiratory distress, stridor, cyanosis and/or weak cry. Complications, such as rupture, thromboembolism, infection, airway erosion and/or compression of the adjacent thoracic structures, can develop. Spontaneous resolution has been reported.	Finding site	True	Structure of ductus arteriosus	Inferred relationship	Some	1
Pulmonary valve agenesis-tetralogy of Fallot-absence of ductus arteriosus syndrome is a rare congenital heart malformation characterized by a tetralogy of Fallot (pulmonary stenosis, overriding aorta, ventricular septal defect and right ventricular hypertrophy), complete absence or rudimentary pulmonary valve that is both stenotic and regurgitant and an absence of the ductus arteriosus. It presents prenatally with cardiomegaly, polyhydramnios, fetal heart failure, hydrops fetalis and fetal demise or postnatally with cyanosis and respiratory failure due to bronchomalacia secondary to bronchial compression from dilated pulmonary arteries. It is frequently associated with 22q11 deletion.	Finding site	False	Structure of ductus arteriosus	Inferred relationship	Some	2
A rare genetic vascular disease with characteristics of congenital dysfunction of smooth muscle throughout the body, manifesting with cerebrovascular disease, aortic anomalies, intestinal hypoperistalsis, hypotonic bladder and pulmonary hypertension. Congenital mid-dilated pupils non-reactive to light associated with a large, persistent patent ductus arteriosus are characteristic hallmarks of the disease. There is evidence the disease is caused by heterozygous mutation in the ACTA2 gene on chromosome 10q23.	Finding site	True	Structure of ductus arteriosus	Inferred relationship	Some	1
A rare life-threatening congenital non-syndromic conotruncal heart malformation with characteristics of absent or severely undeveloped pulmonary valve leaflets (with a restrictive ring of thickened tissue at the place of the pulmonary valve annulus) associated with an intact ventricular septum and a patent ductus arteriosus, manifesting with marked respiratory insufficiency. Additional features include dilated main pulmonary artery (with or without dilatation of pulmonary artery branches), to-and-fro flow at site of the dysplastic pulmonary valve and systolic pressure gradient across narrowed pulmonary valve. Tricuspid atresia and variable extra-cardiac anomalies (for example diaphragmatic hernia or cleft lip/palate) may be present.	Finding site	True	Structure of ductus arteriosus	Inferred relationship	Some	1
Narrowing of fetal arterial duct	Finding site	True	Structure of ductus arteriosus	Inferred relationship	Some	1
Closure of fetal arterial duct	Finding site	True	Structure of ductus arteriosus	Inferred relationship	Some	1
Residual patency of arterial duct following patent ductus arteriosus repair	Finding site	True	Structure of ductus arteriosus	Inferred relationship	Some	1
Complication of arterial duct due to and following procedure	Finding site	True	Structure of ductus arteriosus	Inferred relationship	Some	2
Perforation of ductus arteriosus following procedure (disorder)	Finding site	True	Structure of ductus arteriosus	Inferred relationship	Some	1
Familial patent arterial duct is a rare, genetic, non-syndromic, congenital anomaly of the great arteries characterized by the presence of an isolated patent arterial duct (PDA) (i.e. failure of closure of ductus arteriosis after birth) in several members of the same family. Clinical presentation is similar to the sporadic form and may range from neonatal-onset tachypnea, diaphoresis and failure to thrive to adult-onset atrial arrhythmia, signs and symptoms of heart failure and cyanosis limited to the lower extremities.	Finding site	True	Structure of ductus arteriosus	Inferred relationship	Some	1
Placement of stent in ductus arteriosus and banding of both pulmonary arteries	Procedure site - Indirect (attribute)	True	Structure of ductus arteriosus	Inferred relationship	Some	3
Transluminal closure of ductus arteriosus with prosthesis	Procedure site - Direct (attribute)	True	Structure of ductus arteriosus	Inferred relationship	Some	1
Percutaneous closure of patent ductus arteriosus (procedure)	Procedure site - Direct (attribute)	True	Structure of ductus arteriosus	Inferred relationship	Some	1

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Reference Sets

Anatomy structure and entire association reference set (foundation metadata concept)

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Id	Description	Lang	Type	Status	Case?	Module
7528011	Ductus arteriosus	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
7529015	Botallo's duct	en	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core
7530013	Arterial canal	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
7531012	Pulmoaortic canal	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
493854019	Structure of ductus arteriosus	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
781436013	Structure of ductus arteriosus (body structure)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
4150961000005118	struktur af ductus arteriosus	da	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	Danish module (core metadata concept)