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Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...
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Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
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A blood clot, or thrombus, is a semi-solid mass composed of fibrin, platelets, and red blood cells. When it forms within a vessel, it can obstruct blood flow, known as thrombosis. If part of the clot detaches, it becomes an embolus that can travel and block distant vessels. When this occurs in the pulmonary arteries, it causes a condition known as pulmonary embolism (PE).Origin and ImpactMost often, the embolus originates from a thrombus in the deep veins of the lower limbs, a condition called...
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Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...
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Nursing management begins with a thorough assessment of the patient's health history. Key factors include trauma to veins, peripherally inserted central catheters, varicose veins, recent pregnancy or childbirth, surgery, bacteremia, prolonged bed rest, atrial fibrillation, COPD, heart failure, cancer, coagulation disorders, myocardial infarction, spinal cord injury, stroke, prolonged travel, recent bone fractures, and dehydration. Review medication intake, particularly oral contraceptives,...
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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...
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Pregnancy-Related Venous Thromboembolism.

Emily M Armstrong1, Jessica M Bellone2, Lori B Hornsby3

  • 1Department of Pharmacy Practice, Auburn University Harrison School of Pharmacy, Auburn, AL, USA Department of Internal Medicine, University of South Alabama, Mobile, AL, USA ekm0010@auburn.edu.

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Summary

Pregnancy increases the risk of venous thromboembolism (VTE). Anticoagulation with heparin is recommended, especially for high-risk pregnancies, to prevent blood clots.

Keywords:
acquired thrombophiliainherited thrombophiliapregnancyprophylaxisthrombophilia

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Area of Science:

  • Obstetrics and Gynecology
  • Hematology
  • Thrombosis Research

Background:

  • Pregnancy elevates the risk of venous thromboembolism (VTE), occurring in 0.49-2 per 1000 deliveries.
  • Risk factors include advanced maternal age, obesity, smoking, cesarean section, prior VTE, and thrombophilia (e.g., Factor V Leiden, prothrombin gene mutation, antiphospholipid syndrome).

Purpose of the Study:

  • To review the risk factors and management strategies for venous thromboembolism (VTE) during pregnancy.
  • To outline current recommendations for anticoagulation and thromboprophylaxis in pregnant individuals.

Main Methods:

  • Literature review of studies on pregnancy-associated venous thromboembolism.
  • Analysis of risk factors, diagnostic approaches, and treatment options including heparin anticoagulation.

Main Results:

  • Low-molecular-weight heparin (LMWH) is preferred over unfractionated heparin (UFH) for anticoagulation due to convenience and safety.
  • Antepartum thromboprophylaxis is advised for high-risk pregnancies; surveillance may suffice for lower-risk cases.
  • Postpartum anticoagulation is a consideration for both high and low-risk individuals.

Conclusions:

  • Effective management of VTE in pregnancy requires individualized risk assessment and appropriate anticoagulation strategies.
  • Heparin therapy, particularly LMWH, is crucial for preventing and treating thromboembolic events in pregnant women.
  • Close monitoring and tailored prophylaxis are essential for optimizing outcomes in pregnancies complicated by VTE risk.