vessels of the head and neck pdf

Vessels Of The Head And Neck Pdf

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The choice will depend on local expertise and availability. If DUS is used it is recommended that the equipment is regularly calibrated and a prospective audit of results, particularly of those patients that go on to angiography, is maintained locally.

Carotid artery rupture is fortunately an uncommon complication of head and neck cancer treatment. Eleven episodes of carotid artery rupture following irradiation and major head and neck resection were identified over a 6-year period. We review our experience and discuss the predisposing factors that can cause this complication, important aspects of management and outcome. During this 6-year period, 11 episodes of carotid artery rupture were treated in our unit.

Imaging blood vessels of the head and neck.

Microvascular free flap surgery has become a successful and reliable method of reconstruction following head and neck cancer resection. The effectiveness of free flap reconstruction has increased with improved surgical technique as well as technological refinement in vessel selection and flap monitoring. Few papers have studied the factors that influence success or failure rates of free flap reconstructions, particularly with an eye towards the technologic advancements that have refined the procedure in the last several decades. Here we present a comprehensive review of perioperative and intraoperative considerations that influence free flap outcomes as well methods of vessel selection and flap monitoring important during microvascular reconstruction of the head and neck. Core tip: Microvascular free flap reconstruction of the head and neck has become a successful and reliable procedure important in the treatment of head and neck cancer. Careful consideration of the donor site, strategies for vessel selection, and intra- and post-operative flap monitoring protocols and procedures are crucial for successful free tissue transfer. In this review, we present an overview of the latest techniques and technologies proven useful during free flap surgery including strategies for vessel selection, the use of computer aided modeling programs, indocyanine green near-infrared angiography, and ultrasonic transit-time flowometry.

Internal Mammary Artery and Vein as Recipient Vessels in Head and Neck Reconstruction

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The common carotid arteries are present on the left and right sides of the body. These arteries originate from different arteries but follow symmetrical courses. The right common carotid originates in the neck from the brachiocephalic trunk ; the left from the aortic arch in the thorax. These split into the external and internal carotid arteries at the upper border of the thyroid cartilage , at around the level of the fourth cervical vertebra. The left common carotid artery can be thought of as having two parts: a thoracic chest part and a cervical neck part. The right common carotid originates in or close to the neck and contains only a small thoracic portion. There are studies in the bioengineering literature that have looked into characterizing the geometric structure of the common carotid artery from both qualitative and mathematical quantitative standpoints.

Figure 1. Normal vascular anatomy of the internal mammary artery and vein. Reprinted with permission from Continuum Health Partners. Figure 2. Zigzag skin incision for access over the right side of the chest. Figure 3.

The management of carotid artery rupture

Written and peer-reviewed by physicians—but use at your own risk. Read our disclaimer. This chapter gives an overview of the important structures, muscles, fasciae , and vessels arteries , veins , lymph , nerves of the head and neck region.

Imaging blood vessels of the head and neck.

Imaging blood vessels of the head and neck.

This article shall explore the anatomy of this arterial system — its anatomical course, branches, and clinical correlations. We shall start at the origin of the carotid arteries. The right common carotid artery arises from a bifurcation of the brachiocephalic trunk the right subclavian artery is the other branch. This bifurcation occurs roughly at the level of the right sternoclavicular joint. The left common carotid artery branches directly from the arch of aorta.

NCBI Bookshelf. John Nguyen ; Hieu Duong. Authors John Nguyen 1 ; Hieu Duong. The neck makes the connection between the head and the torso. The neck is made up of attachments from many muscles.

Он был законченным компьютерным маньяком. Вопреки правилам он часто проникал в шифровалку в уик-энд, чтобы на мощнейших компьютерах погонять программу, над которой работал. - Вот хочу попробовать сделать кое-какую перенастройку да проверить электронную почту, - сказал Хейл. Он смотрел на нее с нескрываемым любопытством.  - Что ты сказала.

Major Arteries of the Head and Neck

Его слова встретило гробовое молчание. Хейл понял, что попал в яблочко. Но невозмутимость Стратмора, очевидно, подверглась тяжкому испытанию. - Кто тебе это сказал? - спросил он, и в его голосе впервые послышались металлические нотки. - Прочитал, - сказал Хейл самодовольно, стараясь извлечь как можно больше выгоды из этой ситуации.

В сердцах он швырнул трубку на рычаг. - Черт! - Фонтейн снова схватил трубку и набрал номер мобильника Стратмора. На этот раз послышались длинные гудки. Фонтейн насчитал уже шесть гудков.

Он чуть ли не бегом бросился к ней, схватил трубку и вставил в отверстие телефонную карту. Соединения долго не. Наконец раздались длинные гудки. Ну давай .

 Quien es.

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