Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

P-value01:10

P-value

P-value is one of the most crucial concepts in statistics.
P-value stands for the probability value.  P-value is the probability that, if the null hypothesis is true, the results from another randomly selected sample will be as extreme or more extreme as the results obtained from the given sample.
A large P-value calculated from the data indicates to  not reject the null hypothesis. But a higher P-value does not mean that the null hypothesis is true. The smaller the P-value, the more unlikely...
RACE - Rapid Amplification of cDNA Ends02:35

RACE - Rapid Amplification of cDNA Ends

Rapid Amplification of cDNA Ends, or RACE, is one of the most effective methods to obtain a full-length cDNA from an mRNA sequence between a known internal region to the unknown sequence at the 5’ or 3’ end. The unknown region is cloned in the cDNA by a gene-specific primer that binds the known end, and a hybrid primer that attaches a predefined anchor sequence to the unknown end of the cDNA. The sequence in between is amplified by PCR with an anchor primer and a gene-specific primer.
Since the...
Rationalizing Substitutions01:29

Rationalizing Substitutions

Integrals involving non-rational functions are often difficult to evaluate using standard techniques, especially when radicals appear in the integrand. Rationalizing substitution provides a systematic method for simplifying such integrals by converting them into rational forms that are easier to handle.Consider a rod whose linear mass density depends on a constant linear density, a characteristic length, and the distance from the left end of the rod. Determining the total mass requires...
Rational Expressions01:28

Rational Expressions

Rational expressions are algebraic fractions in which both the numerator and the denominator are polynomials. These expressions follow the arithmetic rules of numerical fractions but require extra care due to the presence of variables. A fundamental part of working with rational expressions is identifying values that make the expression undefined, typically those that result in division by zero or undefined radicals.Determining the DomainThe domain of a rational expression includes all real...
Absolute and Local Extreme Values01:22

Absolute and Local Extreme Values

The highest and lowest values of a function, relative to a reference axis, are known as extreme values. These include absolute maximum and absolute minimum values, which represent the highest and lowest points the function reaches across its entire domain. Within a restricted portion of the function, the highest and lowest values are referred to as local maximum and local minimum values, respectively.Periodic functions, such as sine and cosine, show extreme values at infinitely many points due...
Relative Risk01:12

Relative Risk

Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Characterization and treatment of congenital thrombotic thrombocytopenic purpura.

Blood·2019
Same author

Haemoglobin Titusville: low oxygen saturations but is the patient hypoxaemic?

QJM : monthly journal of the Association of Physicians·2018
Same author

Measurement of rivaroxaban concentrations demonstrates lack of clinical utility of a PT, dPT and APTT test in estimating levels.

International journal of laboratory hematology·2018
Same author

Presenting ADAMTS13 antibody and antigen levels predict prognosis in immune-mediated thrombotic thrombocytopenic purpura.

Blood·2017
Same author

Hepatitis B serology and DNA detection in multitransfused haemophiliacs and factor VIII and IX concentrates.

Haemophilia : the official journal of the World Federation of Hemophilia·2016
Same author

An observational study of direct oral anticoagulant awareness indicating inadequate recognition with potential for patient harm.

Journal of thrombosis and haemostasis : JTH·2016
Same journal

The Natural Mutation Arg221aTrp in Human α-Thrombin Abrogates Physiological Na<sup>+</sup> Binding and Preferentially Hinders the Protease Anticoagulant Functions.

Journal of thrombosis and haemostasis : JTH·2026
Same journal

A historical review of the biological, semantic and clinical aspects of aspirin resistance.

Journal of thrombosis and haemostasis : JTH·2026
Same journal

Association between Thrombus Neutrophil Extracellular Traps Content and Ischemic Stroke Recurrence.

Journal of thrombosis and haemostasis : JTH·2026
Same journal

Peptide-Mediated Inhibition of Surface-Initiated Thrombogenesis.

Journal of thrombosis and haemostasis : JTH·2026
Same journal

Growth differentiation factor-15 and bleeding risk in patients with venous thromboembolism.

Journal of thrombosis and haemostasis : JTH·2026
Same journal

Physiological Anticoagulant Deficiencies: Pathogenesis, Diagnosis, and Clinical Implications.

Journal of thrombosis and haemostasis : JTH·2026
See all related articles

Related Experiment Video

Updated: Jun 2, 2026

Optimization of the Retinal Vein Occlusion Mouse Model to Limit Variability
07:23

Optimization of the Retinal Vein Occlusion Mouse Model to Limit Variability

Published on: August 6, 2021

RVO--real value obscure.

H G Watson1

  • 1Department of Haematology, Aberdeen Royal Infirmary, Foresterhill Health Campus, Aberdeen, UK. henrywatson@nhs.net

Journal of Thrombosis and Haemostasis : JTH
|April 15, 2011
PubMed
Summary
This summary is machine-generated.

Residual vein obstruction can predict the risk of recurrent venous thromboembolism after deep vein thrombosis. This finding aids in managing patients at high risk for future blood clots.

More Related Videos

In Vivo Vascular Injury Readouts in Mouse Retina to Promote Reproducibility
07:35

In Vivo Vascular Injury Readouts in Mouse Retina to Promote Reproducibility

Published on: April 21, 2022

Doppler Optical Coherence Tomography of Retinal Circulation
10:46

Doppler Optical Coherence Tomography of Retinal Circulation

Published on: September 18, 2012

Related Experiment Videos

Last Updated: Jun 2, 2026

Optimization of the Retinal Vein Occlusion Mouse Model to Limit Variability
07:23

Optimization of the Retinal Vein Occlusion Mouse Model to Limit Variability

Published on: August 6, 2021

In Vivo Vascular Injury Readouts in Mouse Retina to Promote Reproducibility
07:35

In Vivo Vascular Injury Readouts in Mouse Retina to Promote Reproducibility

Published on: April 21, 2022

Doppler Optical Coherence Tomography of Retinal Circulation
10:46

Doppler Optical Coherence Tomography of Retinal Circulation

Published on: September 18, 2012

Area of Science:

  • Vascular Medicine
  • Cardiology
  • Thrombosis Research

Background:

  • Recurrent venous thromboembolism (VTE) poses a significant health risk.
  • Predictive markers for VTE recurrence are crucial for patient management.
  • Residual vein obstruction (RVO) is a potential indicator of VTE risk.

Purpose of the Study:

  • To systematically review and meta-analyze the risk of recurrent VTE in patients with deep vein thrombosis (DVT).
  • To evaluate residual vein obstruction (RVO) as a predictor of recurrent thromboembolic events.
  • To analyze data from the REVERSE cohort study on RVO and VTE recurrence after an unprovoked episode.

Main Methods:

  • Systematic review and meta-analysis of existing studies.
  • Analysis of data from the REVERSE cohort study.
  • Assessment of residual vein obstruction using imaging techniques.

Main Results:

  • Residual vein obstruction is associated with an increased risk of recurrent VTE.
  • The presence and degree of RVO can stratify patients by their risk of future events.
  • Data from the REVERSE study confirm RVO's predictive value after unprovoked VTE.

Conclusions:

  • Residual vein obstruction is a valuable predictor for recurrent venous thromboembolism.
  • RVO assessment can inform clinical decisions for patients with a history of DVT.
  • Further research can refine the role of RVO in VTE risk stratification.