Detection of arterial dilatation in the distal aorta-- lower limb arteries using continuous wave Doppler ultrasound

1982 ◽  
Vol 16 (8) ◽  
pp. 474-482 ◽  
Author(s):  
K N HUMPHRIES ◽  
T K HAMES ◽  
A D B CHANT
Keyword(s):  
Doppler Ultrasound ◽  
Lower Limb ◽  
Continuous Wave ◽  
Continuous Wave Doppler

Load‐insensitive active quasi‐circulator for continuous‐wave Doppler ultrasound applications

2016 ◽  
Vol 52 (22) ◽  
pp. 1823-1824 ◽  
Author(s):  
T.R.S. Santini ◽  
T.S. Ibrahim ◽  
C.D. Maciel
Keyword(s):  
Doppler Ultrasound ◽  
Continuous Wave ◽  
Continuous Wave Doppler ◽  
Ultrasound Applications

Popliteal Valvular Construction Using a Silastic Sling (Technique II) for Deep Venous Insufficiency of the Lower Limb

1992 ◽  
Vol 7 (4) ◽  
pp. 158-165 ◽  
Author(s):  
D. Psathakis ◽  
N. Psathakis
Keyword(s):  
Deep Vein Thrombosis ◽  
Lower Limb ◽  
Continuous Wave ◽  
Venous Pressure ◽  
Popliteal Vein ◽  
Sling Procedure ◽  
Vein Thrombosis ◽  
Continuous Wave Doppler ◽  
Deep Vein ◽  
Vein Reflux

Objective: To establish the safety and efficacy of a silastic sling procedure for reconstructing popliteal vein. Design: Prospective survey of patients undergoing surgical treatment for popliteal vein reflux. Setting: Department of Surgery, County Hospital, Bad Karlshafen, Germany. Patients: 209 patients undergoing surgery for popliteal vein incompetence. Interventions: Silastic sling procedure (Technique II) for correction of popliteal vein incompetence. Main outcome measures: Continuous wave Doppler ultrasound examination of popliteal vein, ambulatory foot vein pressure measurements, lower limb venography. Results: One week following surgery 202 patients (of 209) reported relief of pain and reduction of limb oedema. 77 patients with ulcers (of 85) healed following the surgical procedure. Ambulatory venous pressure improved from 71 SD 11 mmHg to 36 SD 17 mmHg. There was prolongation of the venous refilling time from 9 SD 5 seconds to 27 SD 17 seconds. Postoperative phlebography in 92 patients was performed on the tenth post-operative day and in no patient was deep vein thrombosis observed. In 82 of these patients phlebography demonstrated that the constructed popliteal valve was patent. Conclusions: Construction of a popliteal valve using the author's silastic sling technique is a satisfactory method for managing patients with otherwise uncontrolled popliteal vein reflux due to either primary valvular failure or previous deep vein thrombosis.

Continuous-wave Doppler ultrasound and decreased amniotic fluid volume in pregnant women with intact or ruptured membranes

1988 ◽  
Vol 159 (3) ◽  
pp. 708-714 ◽  
Author(s):  
Amelia C. Cruz ◽  
Barbara H. Frentzen ◽  
Kevin J. Gomez ◽  
Gail Allen ◽  
Marcia Tyson-Thomas
Keyword(s):  
Amniotic Fluid ◽  
Pregnant Women ◽  
Doppler Ultrasound ◽  
Continuous Wave ◽  
Fluid Volume ◽  
Continuous Wave Doppler ◽  
Amniotic Fluid Volume
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