Venous thrombosis

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  • Tham khảo tài liệu 'chapter 112. venous thrombosis (part 1)', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Tham khảo tài liệu 'chapter 112. venous thrombosis (part 4)', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Tham khảo tài liệu 'chapter 112. venous thrombosis (part 5)', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Tham khảo tài liệu 'chapter 112. venous thrombosis (part 6)', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Models of thrombosis risk. In each panel, the figure shows the thrombosis (black) potential of each risk factor present during an individual's life and the resultant thrombosis potential (red). (From FR Rosendaal: Venous thrombosis: A multicausal disease. Lancet 353:1167, 1999; with permission.) Several acquired risk factors are very strong, causing thrombosis in several percent of those afflicted, which implies a relative risk of ≥50.

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  • Tham khảo tài liệu 'chapter 112. venous thrombosis (part 3)', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Harrison's Internal Medicine Chapter 111. Venous Thrombosis Venous Thrombosis: Introduction Venous thrombosis is the result of occlusive clot formation in the veins. It occurs mainly in the deep veins of the leg (deep vein thrombosis, DVT), from which parts of the clot frequently embolize to the lungs (pulmonary embolism, PE). Fewer than 5% of all venous thromboses occur at other sites (see "Thrombosis at Rare Sites," and "Superficial Thrombophlebitis," below).

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  • Venous thrombosis is the result of occlusive clot formation in the veins. It occurs mainly in the deep veins of the leg (deep vein thrombosis, DVT), from which parts of the clot frequently embolize to the lungs (pulmonary embolism, PE). Fewer than 5% of all venous thromboses occur at other sites (see "Thrombosis at Rare Sites," and "Superficial Thrombophlebitis," below). Venous thrombosis is common and often occurs spontaneously, but it also frequently accompanies medical and surgical conditions, both in the community and the hospital.

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  • The most important point in a history related to venous thrombosis is whether the thrombotic event was idiopathic (meaning there was no clear precipitating factor) or was a precipitated event. In patients without underlying malignancy, having an idiopathic event is the strongest predictor of recurrence of venous thromboembolism. In patients who have a vague history of thrombosis, a history of being treated with warfarin suggests a past DVT.

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  • Figure 111-1 Models of thrombosis risk. In each panel, the figure shows the thrombosis (black) potential of each risk factor present during an individual's life and the resultant thrombosis potential (red). (From FR Rosendaal: Venous thrombosis: A multicausal disease. Lancet 353:1167, 1999; with permission.) Several acquired risk factors are very strong, causing thrombosis in several percent of those afflicted, which implies a relative risk of ≥50.

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  • Thrombophilia Testing Testing for prothrombotic abnormalities outside the setting of abundant familial thrombophilia serves no purpose. A positive test does not help in the diagnosis of thrombosis, nor does it predict the risk of recurrent thrombosis, nor, therefore, does it affect long-term preventive strategies. Hereditary Thrombophilia Individuals from families with a hereditary tendency for venous thrombosis generally have a more severe thrombotic tendency than individuals not from such families.

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  • HUYẾT KHỐI TĨNH MẠCH SÂU (DEEP VENOUS THROMBOSIS) 1/ MỨC ĐỘ MẮC BỆNH HUYẾT KHỐI TĨNH MẠCH SÂU - một triệu bệnh nhân mỗi năm ở Hoa Kỳ 2/ KỂ CÁC YẾU TỐ NGUY CƠ GÂY NÊN HUYẾT KHỐI TĨNH MẠCH SÂU - Tuổi 70 - Ung thư đang trong thời kỳ hoạt động hoặc đang được điều trị trong vòng 6 tháng nay - Phẫu thuật hoặc chấn thương vùng chậu hoặc chi dưới - Bất cứ phẫu thuật nào cần gây mê toàn thân trên 30 phút - Du lịch trên 1000 dậm 12 tuần trước đây - Điều...

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Deep venous thrombosis after office vasectomy: a case report...

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Management of venous thrombosis in fibular free osseomusculocutaneous flaps used for mandibular reconstruction: clinical techniques and treatment considerations

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài:Massive hemoptysis and deep venous thrombosis presenting in a woman with Hughes-Stovin syndrome: a case report

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  • (BQ) Part 2 book "Pocket protocols for ultrasound" presents the following contents: Kidneys, bladder, abdominal aorta, peritoneal free fluid, testicular ultrasound, lower extremity deep venous thrombosis, central venous access, peripheral venous access, arterial access,...

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  • Recently, new improvement occurred in the diagnosis and treatment of the disease. The aim of this disease is to re-review pulmonary embolism in the light of new developments. In this book, in addition to risk factors causing pulmonary embolus, a guide for systematic approaches to lead the risk stratification for decision making is also presented.

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  • Deep Vein Thrombosis The signs and symptoms of DVT, such as swelling, pain, redness, superficial venous dilatation, and Homan's sign (pain in the calf or behind the knee on dorsiflexion of the ankle), are nonspecific and consequently insufficient for ruling the disease in or out. The classic "gold standard" is contrast venography. Although very accurate, this method requires radiologic facilities and expertise and is invasive and sometimes uncomfortable for the patient. Ultrasonography, with noncompressibility of the vein as the sole criterion, has largely replaced contrast venography.

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  • Table 111-3 Long-Term Treatment with Vitamin K Antagonists for Deep Vein Thrombosis (DVT) and Pulmonary Embolism (PE) Patient Categories Duration, months Comments First episode of DVT or PE secondary to a transient (reversible) risk factor 3 Recommendation applies to both proximal and calf vein thrombosis First episode of 6–12 Continuation of idiopathic DVT or PE anticoagulant therapy after 6–12 months may be considered First episode of DVT 6–12 Continuation of or PE with a documented thrombophilic abnormality anticoagulant therapy after 6–12 months may be con...

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  • Approach to the Patient: Bleeding and Thrombosis Clinical Presentation Disorders of hemostasis may be either inherited or acquired. A detailed personal and family history is key in determining the chronicity of symptoms and the likelihood of the disorder being inherited and it provides clues to underlying conditions that have contributed to the bleeding or thrombotic state.

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