2014
DOI: 10.1590/s0102-86502014001400001 View full text |Buy / Rent full text
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Abstract: PURPOSE:To demonstrate an experimental model of up to four hours a week of independent study that allows relearning in microvascular sutures. METHODS:Wistar rats between 200 and 500 grams surplus research experiments were used. Femoral vessels are covered on one or both sides through a groin incision obliquely along the inguinal ligament. Femoral artery and vein are isolated and measured being clamped and cut. The individual performs in microvascular anastomosis complexity arterial and venous terminoterminal s… Show more

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“…Several studies have shown the importance of achieving high patency rates, generally approximately 95% of success, during experimental training before clinical treatment in humans. However, although the found patency rates are lower than this number, they are considered satisfactory because the average diameter of the vessels covered in this study was smaller than the one of many experiments with success rates close to 100% 19 .…”
Section: Discussioncontrasting
“…The rat femoral vessels diameters are from 0.6 to 1 mm to the artery and 1–2 mm to the vein. [ 22 ] They mimic human cerebral vessels in terms of texture and haptic qualities and pulsation and coagulability in physiological conditions. [ 23 ] Moreover due to consistent size and anatomy of the femoral vessels; dissection is easier and faster.…”
Section: Discussionmentioning
“…There are descriptions in the literature of using synthetic materials, such as silicone and rubber gloves, animal tissues, and vegetable tissues, and of gaining practical experience using small animals (pigs, rats, and rabbits), as part of teaching of vascular anastomosis and development of the skills needed. [1][2][3][4][5] However, use of animal models is the most common objection raised by the public and by the students themselves, who question the practice of sacrificing animals for educational purposes. 6 The strict rules mandated by the Institutional Committees on Care and Utilization of Animals also make using such animal models in medical training difficult, contributing to the need to develop alternatives.…”
Section: Introductionmentioning