Plasma D-dimer levels are correlated with disease severity among hypertensive patients: A comparative cross-sectional

Yanli Long1, Yi Li1, Litao Zhang2

  • 1Heart Center, Wuhan Asia Heart Hospital Affiliated Wuhan University of Science and Technology, Wuhan, China.

Medicine
|September 10, 2022
PubMed

Insights

Hypertension (HTN) is linked to increased thrombus formation. This study found higher D-dimer levels in hypertensive patients, correlating with disease severity and aiding in complication diagnosis.

Area of Science:

  • Cardiovascular Medicine
  • Hematology
  • Clinical Biochemistry

Background:

  • Inappropriate acute thrombus formation is implicated in hypertension-related organ damage.
  • The correlation between hypertension severity and D-dimer levels requires further characterization.

Purpose of the Study:

  • To assess plasma D-dimer levels in hypertensive patients.
  • To investigate the correlation between D-dimer levels and hypertension severity.

Main Methods:

  • A comparative cross-sectional study involving 60 hypertensive patients and 40 controls.
  • Statistical analyses included correlation coefficients, regression analysis, and parametric/nonparametric tests.

Main Results:

  • Hypertensive patients exhibited significantly higher D-dimer levels compared to controls (P < .001).
  • D-dimer levels increased significantly with hypertension severity (P < .001).
  • D-dimer demonstrated an 86.9% diagnostic power for differentiating complicated from uncomplicated hypertension at a 0.83 mg/L cutoff.

Conclusions:

  • Elevated D-dimer levels are associated with hypertension.
  • D-dimer levels correlate with hypertension severity, suggesting a role for hypercoagulability in hypertensive thromboembolic complications.

Related Concept Videos

Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
42
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
29
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
27
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies

The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
46
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
195