Ultrasound Sonography Case Study - pity
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Ultrasound Sonography Case Study
Abstract Background: Peripheral arterial disease is defined as a clinical disorder in which there is a stenosis or occlusion of the arteries of the limbs. The most common etiology is ischemia due to occlusive disease.
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The objective of this study is to assess the severity of lower-limb peripheral arterial diseases based on various Doppler parameters. Methods: This descriptive cross-sectional study comprised 55 patients with clinical signs and symptoms of lower-limb peripheral arterial disease. Both inpatients and outpatients attending the authors' institute were taken up for the study. Results: Out of 55 patients, Doppler sonography demonstrated echogenic plaques in 32 patients Ultrasound Sonography Case Study corkscrew collaterals in 15 patients. It is safe, cost-effective, repeatable, and noninvasive. Role of doppler ultrasound in assessing the severity of peripheral arterial diseases of the lower limb.
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J Med Ultrasound [Epub ahead of print] [cited Apr 22]. It adversely affects the functional status of the limb and is associated with poor quality of life. The disease may manifest as claudication, rest pain, Ultrasound Sonography Case Study tissue loss ulcerationor gangrene, color change, paresthesia, and potentially, amputation. However, the disease can also be asymptomatic. Grayscale images identify plaque and thrombus, duplex assessment provides a measurement of blood velocity through a vessel, and color Doppler assessment enables the rapid localization of arterial stenoses and occlusions. Materials and Methods This descriptive cross-sectional study was conducted in the department of radiodiagnosis of a tertiary care center in North-East India over a month period from November to October Fifty-five patients of either gender presenting with clinical signs and symptoms of lower-limb peripheral arterial disease were selected for the study.
Both inpatients and outpatients attending the hospital were taken up for the study. However, patients with sterile dressings in the lower limb, those in extreme pain in the lower limb due to ischemia, and patients with extensive ulceration were excluded from the study.
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Data collection A detailed history of all the patients was taken and clinically obvious signs and symptoms and risk factors documented on a pretyped pro forma. The duration of complaints was noted in each patient. All the patients were subjected to Doppler sonographic examination after taking informed consent for the same. Study procedures With the patient in the supine position, the following vascular segments were analyzed independently for the presence of hemodynamically significant stenosis or occlusion, plaque morphology, and Ultrasound Sonography Case Study — external iliac artery, common femoral artery, proximal superficial femoral artery, mid superficial femoral artery, distal superficial femoral artery, popliteo-femoral artery, popliteal artery, anterior tibial artery, posterior tibial artery, peroneal artery, and dorsalis pedis artery.
Curved array transducer was used for Ultrasound Sonography Case Study the external iliac artery. Thus, for a patient with unilateral limb involvement, 11 segments were examined, and in case of bilateral limb disease, 22 segments were examined. Grayscale sonography was performed to identify atherosclerotic plaques [Figure 1] a and [Figure 1] b. Color Doppler was used to rapidly map the vessel of interest, to locate sites of stenoses by color aliasing, and to identify corkscrew collaterals [Figure 2] a and [Figure 2] b. Pulse Doppler was then used to analyze type of spectral waveform [Figure 3] a, [Figure 3] b, [Figure 3] c and to measure peak systolic velocity [Figure 4] a and [Figure 4] b. Peak systolic velocity ratio PSVR was calculated by dividing the peak systolic velocity at the stenotic site by peak systolic velocity 4 cm proximal to the stenotic site.]
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