同: left main coronary artery, 左冠動脈主幹部

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2014/06/20 00:14:33」(JST)

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The left coronary artery, abbreviated LCA and also known as the left main coronary artery (often abbreviated LMCA) or left main stem coronary artery (often abbreviated LMS), is an artery that arises from the aorta above the left cusp of the aortic valve and feeds blood to the left side of the heart.

Branching

It typically runs for 10 to 25 mm and then bifurcates into the anterior interventricular artery (also called left anterior descending (LAD)) and the left circumflex artery (LCX). Sometimes an additional artery arises at the bifurcation of the left main artery, forming a trifurcation; this extra artery is called the intermediate artery.^[1]

The part that is between the aorta and the bifurcation only is known as the left main artery (LM), while the term 'LCA' might refer to just the left main, or to the left main and all its eventual branches.

A "first septal branch" is sometimes described.^[2]

Additional images

Left coronary artery
Cardiac vessels.
The arch of the aorta, and its branches.
Diagram of the arch.
Human heart with coronary arteries.
Heart left lateral coronaries diagram.
Diagram of a myocardial infarction.
A coronary angiogram that shows the LMCA, LAD and LCX.
Autopsy specimen showing the coronary ostia and proximal segments of the coronary arteries. Compare with Gray's Anatomy drawing above.
Left coronary artery
Left coronary artery.Plastination technique
Left coronary artery.Plastination technique

References

^ Fuster, V; Alexander RW, O'Rourke RA (2001). Hurst's The Heart (10th ed.). McGraw-Hill. p. 53. ISBN 0-07-135694-0. Cite uses deprecated parameters (help)
^ Verna E, Santarone M, Boscarini M, Ghezzi I, Repetto S (June 1988). "Unusual origin and course of the first septal branch of the left coronary artery: angiographic recognition". Cardiovasc Intervent Radiol 11 (3): 146–9. doi:10.1007/BF02577106. PMID 3139296.

External links

SUNY Figs 20:03-01 - "Anterior view of the heart."
Left+coronary+artery at eMedicine Dictionary
00463 at CHORUS

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English Journal

Coronary artery bypass grafting vs percutaneous coronary intervention in a 'real-world' setting: a comparative effectiveness study based on propensity score-matched cohorts.

Fortuna D, Nicolini F, Guastaroba P, De Palma R, Di Bartolomeo S, Saia F, Pacini D, Grilli R; RERIC (Regional Registry of Cardiac Surgery); REAL (Regional Registry of Coronary Angioplasties) Investigators.SourceRegional Agency for Health and Social Care of Emilia-Romagna, Bologna, Italy.
European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery.Eur J Cardiothorac Surg.2013 Jul;44(1):e16-24. doi: 10.1093/ejcts/ezt197. Epub 2013 Apr 28.
OBJECTIVES: Most studies comparing coronary artery bypass grafting (CABG) and percutaneous coronary interventions (PCI) showed that fewer patients who had undergone CABG required repeat revascularizations , but no difference in survival, with the exception of some subgroups of patients. However, lon
PMID 23628951

Functional and morphological assessment of side branch after left main coronary artery bifurcation stenting with cross-over technique.

Kang SJ, Ahn JM, Kim WJ, Lee JY, Park DW, Lee SW, Kim YH, Lee CW, Park SW, Park SJ.SourceDepartment of Cardiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea.
Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions.Catheter Cardiovasc Interv.2013 Jun 13. doi: 10.1002/ccd.25057. [Epub ahead of print]
Background In left main coronary artery (LMCA) bifurcation lesions, hemodynamic and geometrical change in left circumflex artery (LCX) ostium after main branch (MB) stenting has not been known. This study evaluated how accurately intravascular ultrasound (IVUS) predicts the functional compromise of
PMID 23765939

Three-dimensional intravascular ultrasound evaluation of carina and plaque shift at the distal left main coronary artery bifurcation after treatment with a one-stent cross-over technique.

Xiu J, Choi SY, Mintz GS, Araki H, Masuda N, Morino Y, Sonoda S, Tahk SJ, Ochiai M, Maehara A.SourceCardiology Department, Nanfang Hospital, Southern Medical University, Guangzhou, China.
Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions.Catheter Cardiovasc Interv.2013 Jun 1;81(7):1142-9. doi: 10.1002/ccd.24681. Epub 2013 Feb 26.
OBJECTIVE: To assess the geometrical changes in the distal left main coronary artery (LMCA), left anterior descending (LAD), and left circumflex (LCX) that occur after a distal LMCA lesion is treated using a one-stent cross-over strategy.BACKGROUND: Morphological changes after stent implantation int
PMID 23008216

Japanese Journal

Impact of the Low- to High-Density Lipoprotein Cholesterol Ratio on Composition of Angiographically Ambiguous Left Main Coronary Artery Plaque

KUREBAYASHI Nobutake,YOSHIKAWA Daiji,ISHII Hideki,SATO Bummei,ANDO Hirohiko,OKADA Takuya,HAYAKAWA Seiichi,OKUMURA Naoki,ISOBE Satoshi,TAKESHITA Kyosuke,HAYASHI Mutsuharu,UETANI Tadayuki,AMANO Tetsuya,MUROHARA Toyoaki
Circulation journal : official journal of the Japanese Circulation Society 75(8), 1960-1967, 2011-07-25
… Background: A high low-density lipoprotein cholesterol (LDL-C) to a high-density lipoprotein cholesterol (HDL-C) ratio is associated with cardiac events, while the left main coronary artery (LMCA) is considered to be an important target of atherosclerotic plaque accumulation. … This aim of the present study was to investigate the relationship between a LDL-C/HDL-C ratio and the characteristics of tissue components of LMCA plaque. …
NAID 10029128155

Left Main Stenting : Now and Future

PARK Seung-Jung,PARK Duk-Woo
Circulation journal : official journal of the Japanese Circulation Society 75(4), 749-755, 2011-03-25
… For several decades, based on clinical trials comparing coronary-artery bypass grafting (CABG) with medical therapy, bypass surgery has been regarded as the treatment of choice for patients with unprotected left main coronary artery (LMCA) disease. …
NAID 10028102649

Related Pictures

Fujitsu klíma ASYG 12 LMCA / AOYG 12 LMCA Fujitsu ASYG 14 LMCA / AOYG 14 LMCA LMCA with A/A energy class of cooling FUJITSU ASYG09 LMCA/AOYG09 LMCA 2,5 KW Fujitsu klíma ASYG 14 LMCA / AOYG 14 LMCA ST Elevation In AVR – LMCA Occlusion? General ASHG 12 LMCA

★リンクテーブル★

リンク元	「左冠動脈主幹部」「left main coronary disease」「left main coronary artery」
拡張検索	「ULMCA」
関連記事	「LM」「LMC」

「左冠動脈主幹部」

Artery: Left coronary artery
	Heart viewed from above, atria removed, base of ventricles exposed. Left coronary artery visible at left.
	Heart viewed from the front. Coronary arteries (labeled in red text) and other major landmarks (in blue text). Left coronary artery is at upper right in the image.
Latin	arteria coronaria sinistra
Gray's	p.547
Source	ascending aorta
Branches	anterior interventricular; circumflex; (ramus intermedius)

　　[★]

英: left main coronary artery LMCA
同: 左冠状動脈主幹部、left main trunk LMT

[show details]

左冠状動脈主幹部 : 92 件
左冠動脈主幹部 : 約 336,000 件

「left main coronary disease」

　　[★]

同: LMCD
関: left main coronary artery disease、左冠状動脈主幹部 left main coronary artery LMCA

左冠状動脈主幹部に病変がある冠状動脈疾患

「left main coronary artery」

　　[★] 左冠状動脈主幹部左冠動脈主幹部 LMCA

「ULMCA」

　　[★]

保護されていない左冠動脈主幹部 unprotected left main coronary artery

「LM」

　　[★]

「LMC」

　　[★] リンパ球依存性細胞毒性試験, リンパ球依存性傷害性試験, lymphocyte mediated cytotoxicity

[Hurst-1] Fuster, V; Alexander RW, O'Rourke RA (2001). Hurst's The Heart (10th ed.). McGraw-Hill. p. 53. ISBN 0-07-135694-0. Cite uses deprecated parameters (help)

[pmid3139296-2] Verna E, Santarone M, Boscarini M, Ghezzi I, Repetto S (June 1988). "Unusual origin and course of the first septal branch of the left coronary artery: angiographic recognition". Cardiovasc Intervent Radiol 11 (3): 146–9. doi:10.1007/BF02577106. PMID 3139296.

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案内

LMCA