Results 21 to 30 of about 689,315 (249)

Segmental Comparison of Peripheral Arteries by Doppler Ultrasound and CT Angiography [PDF]

Journal of Clinical and Diagnostic Research, 2016
Introduction: Diseases of peripheral arterial system are one of the common causes of limb pain, especially in elderly patients. Here we analyse non invasive imaging of peripheral arterial segments.
Prem Kumar Chidambaram, Ram Kumar Swaminathan, Prakash Ganesan, Manibharathi Mayavan   +3 more
doaj   +1 more source

The effectiveness and cost-effectiveness of ultrasound locating devices for central venous access: a systematic review and economic evaluation [PDF]

, 2003
Background: Approximately 200,000 central venous access (CVA) procedures are performed annually in the NHS. CVA has traditionally been achieved by the landmark method of passing the needle along the anticipated line of the relevant vein using ...
Beverley, C., McWilliams, R.G., Calvert, N, A. Davidson, R.G. McWilliams>, Beverley, C, McWilliams, RG, D. Hind, S.M. Thomas, C. Beverley, Davidson, A., Thomas, SM, Hind, D, R.G. McWilliams >, Hind, D., Davidson, A, N. Calvert, Calvert, N., Thomas, S.M.   +18 more
core   +1 more source

A comparison between the superb microvascular imaging technique and conventional Doppler ultrasound in evaluating chronic allograft damage in renal transplant recipients

Diagnostic and Interventional Radiology, 2023
PURPOSEThe present study comparatively evaluates the performance of conventional Doppler ultrasound and superb microvascular imaging (SMI) in delineating the cortical microvessels of the transplanted kidney and compares the chronic allograft damage index
Ahmet Faruk Gürbüz, Ayşe Keven, Aygül Elmalı, Serap Toru, Ali Apaydın, Kağan Çeken   +5 more
doaj   +1 more source

O eco-Doppler na dissecção da aorta abdominal.

Acta Médica Portuguesa, 1993
The authors present a case of abdominal aorta dissection--type B. The diagnosis was made by Doppler ultrasound and computerized tomography (CT). The use of Doppler ultrasound in the diagnosis and assessment of abdominal aorta dissection and visceral ...
A Marques, M Reis, L Mata, M Pereira, E P Angelo   +4 more
doaj   +1 more source

Application of additive manufacturing for the adaptive design of ultrasound phantoms

Frontiers in Physics
IntroductionThe image formation process of conventional pulse-echo Ultrasound mainly uses the backscattered amplitude and assumes constant attenuation and speed of sound in the penetrated media.
Lukas Zalka, Lukas Zalka, Johannes Köhrer, Johannes Köhrer, Chatsuda Songsaeng, Chatsuda Songsaeng, Peter Homolka, Christian Kollmann, Johann Hummel, Johann Hummel, Michael Figl, Michael Figl   +11 more
doaj   +1 more source

A phantom study on the applicability of a detectability index in ultrasound imaging

Frontiers in Physics
The assessment of clinical image quality on ultrasound is currently often subjective. While image quality factors such as contrast response or depth of penetration can be evaluated semi-automatically, the evaluation of high contrast resolution requires ...
Chatsuda Songsaeng, Chatsuda Songsaeng, Johannes Köhrer, Johannes Köhrer, Markus Ortner, Lukas Zalka, Lukas Zalka, Elisabeth Salomon, Sten Huber, Peter Homolka, Christian Kollmann, Michael Figl, Michael Figl, Johann Hummel, Johann Hummel, Johann Hummel   +15 more
doaj   +1 more source

Comparison of clinical tests and doppler ultrasound in the preoperative assessment of lower extremity varicose veins

Indian Journal of Vascular and Endovascular Surgery, 2017
Introduction: Varicose vein of the lower extremity is a very common problem and is associated with severe morbidity if left untreated. Recurrence is inevitable if preoperative assessment of incompetence is not accurate.
M Ajoo Anto Prabhu, K G Natarajan, S Robinson Smile   +2 more
doaj   +1 more source

Role of Color Doppler Ultrasound in Predicting Malignancy in Cervical Lymph Nodes [PDF]

International Journal of Anatomy Radiology and Surgery, 2016
Introduction: Cervical lymphadenopathy is a common finding in clinical practice. There are various causes, which can be broadly divided into benign and malignant.
Kanika Gupta, Tushar Chandra, Bhuvaneswari Venkatesan, Payal Tripathi   +3 more
doaj   +1 more source

Experience With Performing Rheocarna Therapy via the Single‐Needle Method for Treatment of Chronic Limb‐Threatening Ischemia

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction This study investigated the safety and efficacy of single‐needle Rheocarna therapy for chronic limb‐threatening ischemia (CLTI) with wounds. Methods Six patients with CLTI involving ulcers unresponsive to revascularization underwent single‐needle Rheocarna treatment.
Yasutaka Yamauchi, Rie Tanaka, Reona Kawahira, Shingo Nabeta, Kouhei Naoi, Kazuhito Kitajima, Akira Wada, Tomonari Takagi, Norihiko Ohura, Akira Miyamoto   +9 more
wiley   +1 more source

Using a DAS28-CRP-steered treat-to-target strategy does not eliminate subclinical inflammation as assessed by ultrasonography in rheumatoid arthritis patients in longstanding clinical remission

Arthritis Research & Therapy, 2021
Background Subclinical synovitis by ultrasound is a frequent finding in rheumatoid arthritis (RA) patients in remission and has been shown to be related to erosive progression, risk of flare and unsuccessful drug tapering, but it has not been ...
Lene Terslev, Cecilie Heegaard Brahe, Mikkel Østergaard, Viktoria Fana, Mads Ammitzbøll-Danielsen, Torsten Møller, Simon Krabbe, Merete Lund Hetland, Uffe Møller Døhn   +8 more
doaj   +1 more source