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Anastomoses

Anastomoses

In human anatomy, anastomosis refers to a connection or opening between two things, particularly between blood vessels or other tubular structures. The term is derived from the Greek term 'anastomosis,' which means 'outlet' or 'opening.' This natural network of connections plays a critical role in the survival and functionality of the human body.
Anastomoses can be formed at arterial, venous, and lymphatic vessels.
Arterial Anastomosis: These occur between arteries. They are most common in...

Coronary Circulation

Coronary Circulation

The heart, an organ critical to survival, gets nourishment not from the blood it pumps but from a separate circulation system known as coronary circulation. This is the shortest circulation in the body and is responsible for supplying the heart with the nutrients it needs to function effectively.
Coronary circulation begins at the base of the aorta, where two main arteries arise—the left and right coronary arteries. These arteries encircle the heart in the coronary sulcus and supply the...

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Related Experiment Video

Updated: Jul 19, 2026

Murine Left Anterior Descending (LAD) Coronary Artery Ligation: An Improved and Simplified Model for Myocardial Infarction

Murine Left Anterior Descending (LAD) Coronary Artery Ligation: An Improved and Simplified Model for Myocardial Infarction

Published on: April 2, 2017

A simple training model for coronary artery anastomoses.

Yoshiyuki Tokuda¹, Min-Ho Song

¹Department of Cardiovascular Surgery, Gifu Prefectural Tajimi Hospital, Tajimi, Gifu, Japan. tokuda@mxb.mesh.ne.jp

The Heart Surgery Forum

|October 25, 2006

Summary

A novel glove-based simulation model offers accessible training for cardiac surgeons learning coronary anastomosis. This simple, cost-effective method effectively replicates coronary arteriotomy and graft procedures for surgical skill development.

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Area of Science:

Cardiovascular Surgery
Surgical Education
Medical Simulation

Background:

Trainee cardiac surgeons require effective methods for practicing coronary anastomosis.
Existing simulation models can be complex or costly, limiting accessibility.

Purpose of the Study:

To develop a simple, low-cost simulation model for coronary anastomosis training.
To provide a reproducible method for practicing key surgical steps.

Main Methods:

Utilized two surgical gloves stretched over a towel to create a simulated vessel.
Simulated coronary arteriotomy by creating openings in the glove material.
Used glove fingers to mimic vascular grafts for anastomosis practice.

Main Results:

The glove model successfully replicated the anatomical features of a small coronary arteriotomy.
The model allowed for practice of suturing techniques on both anterior and posterior walls.
Graft simulation using glove fingers proved effective for practicing anastomosis.

Conclusions:

This glove-based method provides a highly accessible and cost-effective tool for supplementary training in coronary anastomosis.
The simulation effectively prepares trainee cardiac surgeons for critical aspects of the procedure.