WordNet

a painful and involuntary muscular contraction (同)cramp, muscle_spasm
(pathology) sudden constriction of a hollow organ (as a blood vessel)
(botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower
one or more circles of light seen around a luminous object
a long cigar with blunt ends
(anatomy) any structure that resembles a crown in shape
surrounding like a crown (especially of the blood vessels surrounding the heart); "coronary arteries"

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/09/28 21:34:14」(JST)

Coronary reflex is the change of coronary diameter in response to chemical, neurological or mechanical stimulation of the coronary arteries.

The coronary reflex are stimulated differently from the rest of the vascular system.

Cocaine abuse frequently can cause a coronary spasm, resulting in a spontaneous myocardial infarction.

Versed (Midazolam): a coronary dilator. In midazolam's presence, dilation was unaffected by N-nitro L-arginine, indomethacin and glibenclamide.
Tetraethylammonium chloride, an inhibitor of the BKCa K+ channel (a high conductance Ca2+-sensitive K+ channel), dose dependently attenuated the vasodilating effect of midazolam ^[1]

Estrogen has been shown to abolish abnormal cold-induced coronary constriction.^[2]

^ O.L. Woodman; G.J. Dusting (1991). "N-nitro L-arginine causes coronary vasoconstriction and inhibits endothelium-dependent vasodilatation in anaesthetized greyhounds". Br. J. Pharmacol. 103 (2): 1407–1410. doi:10.1111/j.1476-5381.1991.tb09802.x. PMC 1908370. PMID 1909199.
^ Steven E. Reis, MD; Richard Holubkov, PhD; Kathleen A. Zell, BSN; AJ. Conrad Smith, MD; Howard A. Cohen, MD; Marc D. Feldman, MD; and Roger S. Blumenthal, MD (1998). "Estrogen Acutely Abolishes Abnormal Cold-Induced Coronary Constriction in Men*". Chest 114 (6): 1556–1561. doi:10.1378/chest.114.6.1556. PMID 9872188.

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1. 心臓症候群X：正常冠動脈の狭心症 cardiac syndrome x angina pectoris with normal coronary arteries
2. 異型狭心症 variant angina
3. ST上昇型心筋梗塞の急性期マネージメントの概要 overview of the acute management of st elevation myocardial infarction
4. 経皮的冠動脈形成術の周術期合併症 periprocedural complications of percutaneous coronary intervention
5. 不安定狭心症および非ST上昇型心筋梗塞の分類 classification of unstable angina and non st elevation myocardial infarction

The Society of Thoracic Surgeons Clinical Practice Guidelines on Arterial Conduits for Coronary Artery Bypass Grafting.

Aldea GS1, Bakaeen FG2, Pal J3, Fremes S4, Head SJ5, Sabik J6, Rosengart T2, Kappetein AP5, Thourani VH7, Firestone S8, Mitchell JD9.
The Annals of thoracic surgery.Ann Thorac Surg.2016 Feb;101(2):801-9. doi: 10.1016/j.athoracsur.2015.09.100. Epub 2015 Dec 8.
Internal thoracic arteries (ITAs) should be used to bypass the left anterior descending (LAD) artery when bypass of the LAD is indicated (class of recommendation [COR] I, level of evidence [LOE] B). As an adjunct to left internal thoracic artery (LITA), a second arterial graft (right ITA or radial a
PMID 26680310

Yang HH1, Kao YC1, Mao CT1, Chen WS1, Hung MJ2.
International journal of cardiology.Int J Cardiol.2016 Feb 1;204:51-3. doi: 10.1016/j.ijcard.2015.11.175. Epub 2015 Nov 24.
PMID 26655536

Severe Prinzmetal-Type Coronary Artery Spasm Causing Recurrent ST-Segment Elevation and Reversible Obstruction of a Bioresorbable Scaffold.

Gori T1, Sechtem U2, Münzel T2.
JACC. Cardiovascular interventions.JACC Cardiovasc Interv.2016 Jan 25;9(2):195-7. doi: 10.1016/j.jcin.2015.09.033.
PMID 26793962

リンク元	「冠攣縮」「冠動脈攣縮」「coronary vasospasm」「冠血管攣縮」「冠血管れん縮」
関連記事	「spasm」「coronary」「corona」