Ultrasonography in vascular diseases: a practical approach to clinical problems
Siegel , M.
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- Radiology | Ultrasonography in Vascular Diseases!
Features: Practical information on the usefulness of ultrasound, nonimaging tests, or other imaging modalities, such as CT and MR, for evaluating each clinical situation Clear descriptions of symptoms and differential diagnosis Nearly 1, images and photographs demonstrating key points A new chapter on neonatal spinal cord anomalies Comprehensive and up-to-date, this edition is essential for ultrasonographers, radiologists, residents, physicians, nurses, and radiology assistants seeking the latest recommendations for the effective use of ultrasonography.
Learn more here! Ultrasound in Obstetrics and Gynecology, 2nd Edition. December 13, at am Reply. July 17, at am Reply.
Like the other modalities that have been discussed, conventional angiography has some downsides. In contrast to the other modalities discussed in this chapter, conventional angiography is invasive, and there can be issues with arterial punctures, such as uncontrollable bleeding or hematoma formation. It also involves higher levels of radiation, along with a strong potential for nephrotoxicity and allergic reactions to the contrast agent [ 5 ]. As reported above, duplex ultrasonography has a high sensitivity and specificity; however this goes down when multivessel disease is present.
Two prospective studies were done in and , comparing duplex ultrasonography and conventional angiography in planning for infrainguinal bypass procedures; patient outcomes, which included limb salvage and graft patency, were similar. According to a systemic review that included over studies that compared MRA, CTA, and duplex ultrasonography for the evaluation of lower extremity PAD, the following findings were found: contrast enhanced MRA had the highest diagnostic accuracy, with sensitivities ranging from 93 to Contrast enhanced MRA and duplex ultrasonography appeared to be more accurate for detecting proximal lesions and occlusions above the knee when compared to lesions below the knee or in the pedal artery.
When comparing adverse events, MRA had the highest overall incidence of adverse events, however contrast angiography was associated with more severe adverse events. For evaluation of the whole extremity, duplex ultrasonography was the most cost-effective option when compared to CTA and MRA; however when the assessment was limited to a specific section, above or below the knee, two dimensional TOF MRA was more cost effective.
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When it comes to choosing an appropriate imaging modality for a patient, it is important to consider the symptoms the patient is dealing with, whether an intervention is anticipated, and what their current situation is. PAD is a very complex disease with many available tools, imaging being one of them.
Armed with the right information, a thorough history and physical exam, and an appropriate imaging modality, the patient will be on the right track to getting the help and care he or she needs. Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution 3. Help us write another book on this subject and reach those readers. Login to your personal dashboard for more detailed statistics on your publications. Edited by Nishtha Sareen.source
Edited by Giuseppe Rescigno. We are IntechOpen, the world's leading publisher of Open Access books. Built by scientists, for scientists. Our readership spans scientists, professors, researchers, librarians, and students, as well as business professionals. Downloaded: Abstract Peripheral arterial disease, specifically lower limb peripheral arterial disease, can be defined as atheromatous narrowing or occlusion of an artery or arteries in the lower limb. Introduction There are several instances in which non-invasive imaging can be used in patients with, or suspected of having, peripheral arterial disease PAD.
Duplex ultrasonography Duplex ultrasonography is a method that uses sound waves with frequencies above those heard by the human ear.
Radiology | Ultrasonography in Vascular Diseases
Table 1. Conventional angiography Conventional angiography is the gold standard for diagnosis in PAD. Comparing the different imaging modalities As reported above, duplex ultrasonography has a high sensitivity and specificity; however this goes down when multivessel disease is present.
Conclusion When it comes to choosing an appropriate imaging modality for a patient, it is important to consider the symptoms the patient is dealing with, whether an intervention is anticipated, and what their current situation is. Conflict of interest There are no conflicts of interest. More Print chapter. How to cite and reference Link to this chapter Copy to clipboard. Fu chan ke chao sheng tu pu : fu dong tai chao sheng tu xiang guang pan by Peter M Doubilet Book 1 edition published in in Chinese and held by 2 WorldCat member libraries worldwide.
Diagnostic Ultrasound Imaging -- General
Tong shi, Shu zhong zhen dui jing cai de duo fu lai yuan yu lin chuang de chao sheng tu xiang jin xing le zhi dao xing dian ping. Atlas of ultrasound in obstetrics and gynecology : a multimedia reference by Peter M Doubilet Visual 1 edition published in in English and held by 1 WorldCat member library worldwide. Audience Level. Related Identities. Associated Subjects.
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