scholarly journals Duplex ultrasound in upper and lower limb deep venous thrombosis

2020 ◽  
Vol 5 (1) ◽  
pp. 001-007
Author(s):  
Sosthene Tsongo V ◽  
Serge Kahatwa K ◽  
Medard Kabuyaya K ◽  
Simplice Kighoma V ◽  
John Musubao K ◽  
...  
Keyword(s):  
Venous Thrombosis ◽  
Deep Venous Thrombosis ◽  
Lower Limb ◽  
Duplex Ultrasound

DUPLEX ULTRASOUND DIAGNOSIS OF LOWER LIMB DEEP VENOUS THROMBOSIS

1990 ◽  
Vol 60 (4) ◽  
pp. 283-288 ◽  
Author(s):  
Douglas Cavaye ◽  
Alison T. Kelly ◽  
John C. Graham ◽  
Michael Appleberg ◽  
Greg M. Briggs
Keyword(s):  
Venous Thrombosis ◽  
Deep Venous Thrombosis ◽  
Lower Limb ◽  
Duplex Ultrasound ◽  
Ultrasound Diagnosis

Investigations into the Clinical Utility of Latex D-Dimer in the Diagnosis of Deep Venous Thrombosis

1993 ◽  
Vol 69 (01) ◽  
pp. 008-011 ◽  
Author(s):  
Cedric J Carter ◽  
D Lynn Doyle ◽  
Nigel Dawson ◽  
Shauna Fowler ◽  
Dana V Devine
Keyword(s):  
Venous Thrombosis ◽  
Deep Venous Thrombosis ◽  
Lower Limb ◽  
Clinical Utility ◽  
Rapid Test ◽  
Fibrin Degradation Product ◽  
Current Form ◽  
Non Invasive ◽  
Clinically Significant ◽  
D Dimer

SummaryThe serial use of non-invasive tests has been shown to be a safe method of managing outpatients who are suspected of having lower limb deep venous thrombosis (DVT). Objective testing has shown that the majority of these outpatients do not have venous thrombosis. A rapid test to exclude DVT in these patients, without the need for expensive and inconvenient serial non-invasive vascular testing, would have practical and economic advantages.Studies measuring the fibrin degradation product D-dimer using enzyme-linked immunoassays (EIA) in patients with veno-graphically proven DVT suggest that it should be possible to exclude this condition by the use of one of the rapid latex bead D-dimer tests.We have examined 190 patients with suspected DVT using both a latex and an EIA D-dimer assay. The latex D-dimer test used in this study was negative in 7 of the 36 proven cases of DVT. This sensitivity of only 80% is not sufficient to allow this type of assay, in its current form, to be used as an exclusion test for DVT. The same plasma samples were tested with an EIA assay. This information was used to mathematically model the effects of selecting a range of D-dimer discriminant cut off points for the diagnosis of DVT. These results indicate that 62% of suspected clinically significant DVT could have this diagnosis excluded, with a 98% sensitivity, if the rapid latex or equivalent D-dimer test could be reformulated to measure less than 185 ng/ml of D-dimer.

scholarly journals Evaluating the Use of a Negative D-Dimer and Modified Low Wells Score in Excluding above Knee Deep Venous Thrombosis in an Outpatient Population, Assessing Need for Diagnostic Ultrasound

2014 ◽  
Vol 2014 ◽  
pp. 1-5 ◽  
Author(s):  
Maryam Rahiminejad ◽  
Anshul Rastogi ◽  
Shirish Prabhudesai ◽  
David Mcclinton ◽  
Peter MacCallum ◽  
...  
Keyword(s):  
Risk Factor ◽  
Venous Thrombosis ◽  
Deep Venous Thrombosis ◽  
Lower Limb ◽  
Clinical Risk Factor ◽  
Diagnostic Pathway ◽  
Clinical Diagnostic ◽  
Retrospective Audit ◽  
Wells Score ◽  
D Dimer

Aims. Colour doppler ultrasonography (CDUS) is widely used in the diagnosis of deep venous thrombosis (DVT); however, the number of scans positive for above knee DVT is low. The present study evaluates the reliability of the D-dimer test combined with a clinical probability score (Wells score) in ruling out an above knee DVT and identifying patients who do not need a CDUS. Materials and Method. This study is a retrospective audit and reaudit of a total of 816 outpatients presenting with suspected lower limb DVT from March 2009 to March 2010 and from September 2011 to February 2012. Following the initial audit, a revised clinical diagnostic pathway was implemented. Results. In our initial audit, seven patients (4.9%) with a negative D-dimer and a low Wells score had a DVT. On review, all seven had a risk factor identified that was not included in the Wells score. No patient with negative D-dimer and low Wells score with no extra clinical risk factor had a DVT on CDUS (negative predictive value 100%). A reaudit confirmed adherence to our revised clinical diagnostic pathway. Conclusions. A negative D-dimer together with a low Wells score and no risk factors effectively excludes a lower limb DVT and an ultrasound is unnecessary in these patients.

scholarly journals Topical vs. intravenous administration of tranexamic acid in knee arthroplasty and prevalence of deep venous thrombosis: a randomized clinical trial

2016 ◽  
Vol 15 (2) ◽  
pp. 120-125 ◽  
Author(s):  
Ari Zekcer ◽  
Ricardo Del Priori ◽  
Clauber Tieppo ◽  
Ricardo Soares da Silva ◽  
Nilson Roberto Severino
Keyword(s):  
Total Knee Arthroplasty ◽  
Tranexamic Acid ◽  
Venous Thrombosis ◽  
Deep Venous Thrombosis ◽  
Intravenous Administration ◽  
Knee Arthroplasty ◽  
Duplex Ultrasound ◽  
Control Group ◽  
Perioperative Bleeding ◽  
Total Knee

Abstract Background Tranexamic acid (TXA) is widely used in orthopedic surgery to reduce perioperative bleeding. Since TXA inhibits fibrinolysis, there is concern that it may increase the risk of thromboembolic events. Objectives To verify the prevalence of deep venous thrombosis (DVT) in patients receiving TXA during total knee arthroplasty and to compare topical with intravenous administration of the drug. Methods All patients admitted for total knee arthroplasty due to primary arthrosis between June and November of 2014 were recruited consecutively. Thirty patients were randomized to a “topical group” (1.5 g TXA diluted in 50ml saline sprayed over the area operated, before tourniquet release), 30 to an “intravenous group” (20mg/kg TXA in 100 ml of saline, given at the same time as anesthesia), and 30 to a control group (100 ml of saline, given at the same time as anesthesia). All patients had duplex ultrasound scans of the legs on the 15th postoperative day. Results Deep venous thrombosis events occurred in five of the 90 patients operated (one out of 30 in the topical group [3.3%], four out of 30 in the control group [13.3%], and zero in the intravenous group). All were confirmed by duplex ultrasound scans and all were asymptomatic. Prevalence rates of DVT were similar between groups (p = 0.112 for control vs. intravenous; p = 0.353 for control vs. topical; and p =1.000 for intravenous vs. topical, according to two-sided exact tests). Conclusions Both topical and intravenous administration of TXA are safe with regard to occurrence of DVT, since the number of DVT cases in patients given TXA was not different to the number in those given placebo.

scholarly journals A Rare Cause of May-Thurner Syndrome Postarterial Intervention

2019 ◽  
Vol 03 (03) ◽  
pp. 180-184 ◽  
Author(s):  
Hiok Yang Chan ◽  
Edward Tieng Chek Choke ◽  
Tjun Yip Tang ◽  
Chandramohan Sivanathan ◽  
Chua Ming Er Jasmine ◽  
...  
Keyword(s):  
Venous Thrombosis ◽  
Deep Venous Thrombosis ◽  
Iliac Artery ◽  
Lower Limb ◽  
Unusual Case ◽  
Anatomical Variation ◽  
Iliac Vein ◽  
Team Approach ◽  
Left Lower Limb ◽  
Iliac Vein Compression

AbstractMay-Thurner syndrome (MTS) is rare condition thought to occur due to an anatomical variation. In MTS, there is left iliac vein compression by the right iliac artery and lumbar spine resulting in left lower limb deep venous thrombosis. The authors report a rare cause of MTS postarterial intervention. They describe the unusual case of an Asian man who presented with acute left lower limb deep venous thrombosis 5 days following left common iliac artery angioplasty and stent insertion. Computed tomographic (CT) venogram demonstrated the left iliac vein compression by the left iliac artery stent. Successful recanalization of the thrombosed iliac vein was achieved with a combination of pulse spray thrombolysis and rheolytic mechanical thrombectomy, followed by angioplasty and stent placement in the iliac vein. There was rapid and complete resolution of symptoms. This report illustrates the use of complementary imaging modalities and a multidisciplinary team approach to achieve a successful technical and clinical outcome following an unusual case of MTS postarterial intervention and the subsequent successful endovascular management.

scholarly journals Point‐of‐care ultrasound for deep venous thrombosis of the lower limb

2019 ◽  
Vol 23 (2) ◽  
pp. 111-120
Author(s):  
David Canty ◽  
Kavi Mufti ◽  
Lindsay Bridgford ◽  
André Denault
Keyword(s):  
Venous Thrombosis ◽  
Deep Venous Thrombosis ◽  
Lower Limb ◽  
Point Of Care ◽  
Point Of Care Ultrasound

The risk of lower-limb superficial vein thrombosis relative to lower-limb venous thrombotic events is not increased in winter months

2020 ◽  
Vol 35 (7) ◽  
pp. 533-537
Author(s):  
Samir Henni ◽  
Pierre Ramondou ◽  
Guillaume Duval ◽  
Jean Picquet ◽  
Georges Leftheriotis ◽  
...  
Keyword(s):  
Venous Thrombosis ◽  
Deep Venous Thrombosis ◽  
Lower Limb ◽  
Homogeneous Distribution ◽  
Superficial Vein ◽  
Chi Square ◽  
Venous Flow ◽  
Vein Thrombosis ◽  
Superficial Vein Thrombosis ◽  
Chi Square Test

Objectives Ambient temperature (that impacts differently venous flow in superficial and deep veins) could have a different effect on the risk of superficial and deep venous thrombosis. We searched for a trimestral variation of the risk of superficial venous thrombosis among all lower-limb thrombotic events (lower-limb thrombotic events = superficial venous thrombosis + deep venous thrombosis). Methods We retrospectively analyzed the results of venous ultrasound investigations performed among 11,739 patients (aged 67 ± 19 years old, 56.1% males) referred for suspected lower-limb thrombotic events over a 12-year period. Chi-square test was used to compare the superficial venous thrombosis/lower-limb thrombotic events ratio observed by trimesters to a homogeneous distribution. Results The proportion of lower-limb thrombotic events were 30.7%, 28.8%, 31.1%, and 31.4% (Chi2: 0.133; p = 0.987) of total investigations, while that of superficial venous thrombosis among all lower-limb venous thrombotic events were 27.2%, 30.0%, 31.4%, and 31.0%, for the first, second, third, and fourth trimesters respectively (Chi2: 0.357; p: 0.949). Conclusion No trimestral variation of the superficial venous thrombosis/lower-limb venous thrombotic events ratio was observed.

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