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Postgraduate Medicine: Thromboembolism during pregnancy In short, the case of venous thromboembolism in pregnancy is a rigorous exercise in balancing the risks and the benefits of applied medicine. The estimated radiation dose to the uterus for a routine CT scan of the chest is 0.016 rad; the dose for a spiral CT scan of the chest is significantly less because the study field is smaller and the duration of the procedure is much shorter. Diagnosis of venous thromboembolism is complicated in that the symptoms of dyspnea and lower extremity edema are relatively common complaints of pregnant patients. www.postgradmed.com /issues/2000/09_00/sellman.htm   (3198 words)

Management of Venous Thromboembolism Initial episodes of venous thromboembolism are rare before the age of 18 years and uncommon after the age of 50. In patients with acute venous thromboembolism and active bleeding or a high potential for bleeding, those who are noncompliant, and those with a history of heparin-induced thrombocytopenia, a filter should be inserted in the inferior vena cava. Placement of an inferior vena caval filter is also useful for recurrent thromboembolism that occurs despite adequate anticoagulation, for chronic recurrent embolism with pulmonary hypertension, and with the concurrent performance of surgical pulmonary embolectomy or pulmonary thromboendarterectomy. www.priory.com /med/thromboembolism.htm   (3165 words)

Postgraduate Medicine: Anticoagulation for venous thromboembolism The risk of recurrent venous thromboembolism is higher in patients who have a persistent risk factor for thrombophilia or a clot of idiopathic origin than in patients in whom thrombosis develops in association with a temporary risk factor (eg, prolonged immobilization). The decision to prescribe indefinite anticoagulation therapy for patients with venous thromboembolism is based more on intuition than on evidence-based data, given the relatively low prevalence of inherited thrombotic disorders and the short life expectancy associated with malignant conditions. The focus of thrombolytic therapy is to reduce (1) mortality due to venous thromboembolism, (2) recurrence of thromboembolism, and (3) morbidity due to pulmonary hypertension and postphlebitic syndrome, while also limiting the risk of hemorrhage associated with treatment. www.postgradmed.com /issues/2000/09_00/yacovella.htm   (3000 words)

ARTERIAL  THROMBOEMBOLISM Thromboembolism is uncommon with hyperthyroidism, and a 3 percent incidence of thyrotoxicosis was recorded in 100 cats with saddle embolism. The clinical consequences of arterial thromboembolism depend upon (1) the site of embolization, (2) the severity and duration of occlusion, (3) the degree of functional collateral circulation, and (4) development of serious complications (e.g., hyperkalemia, limb necrosis, self-mutilation). Thromboembolism is a well-established cause of morbidity and mortality and represents a severe clinical complication. www.maxshouse.com /arterial_thromboembolism.htm   (4021 words)

Venous Thromboembolism The estimated incidence of thromboembolism in OC patients and HRT patients was 3.6 to 14.4 and 1.7 to 3.4 per 100,000 woman-years, respectively. Approximately 95% of institutions had not experienced thromboembolism in their hormone therapy patients, suggesting the incidence of thromboembolism during hormone therapy might be low. The role of the d-dimer in the diagnosis of venous thromboembolism. www.thedoctorsdoctor.com /diseases/venous_thromboembolism.htm   (3707 words)

Progress: Venous Thromboembolism The relative risk of venous thromboembolism associated with current use of oral contraceptives does not appear to vary with age. The relative risks of venous thromboembolic disease observed in users of combined oral contraceptives in developed countries appear to be applicable to developing countries. The increased risk of venous thromboembolism and the use of third-generation progestogens: role of bias in observational research. www.reproline.jhu.edu /english/6read/6issues/6progress/prog46_e.htm   (935 words)

THE MERCK MANUAL, Sec. 11, Ch. 132, Thrombotic Disorders High levels may be an independent risk factor for arterial thromboembolism or a nonspecific inflammatory marker of ruptured plaques. In patients undergoing invasive vascular procedures (eg, saphenous vein bypass grafts, small-caliber vascular grafts), the frequency of thrombotic complications correlates with the peripheral platelet concentration. Stasis is associated with increased venous thromboembolism in surgery, orthopedic or paralytic immobilization, congestive heart failure, pregnancy, varicosities, and obesity. www.merck.com /mrkshared/mmanual/section11/chapter132/132a.jsp   (1147 words)

Three months vs. longer anticoagulation for idiopathic venous thromboembolism Venous thromboembolism was defined as symptomatic deep vein thrombosis of the leg or pulmonary embolism. The only risk factor that was found to be significantly associated with recurrent thromboembolism was the lupus anticoagulant, which was present in 2 out of 16 patients assigned to placebo who had a recurrence and in 1 out of 61 assigned to placebo who did not have a recurrence. These results cannot be extrapolated directly to patients who have a thromboembolic event secondary to a defined, transient or modifiable risk factor (such as surgery, trauma, bedrest), in whom the removal of the risk factor would be expected to lower the risk of recurrence in the absence of anticoagulation. www.journalclub.org /vol2/a70.html   (1301 words)

Guideline 36 Section 2: Venous thromboembolism Acute venous thromboembolism should be suspected in patients with a combination of predisposing factors and suggestive symptoms or signs of either DVT or PE. Descriptive studies have indicated high risks of recurrent thromboembolism and death when heparin was not given to patients with suspected or proven DVT or PE, compared to low risks when heparin was given. APTT ratios below 1.5 are associated with recurrent thromboembolism and ratios above 2.5 are associated with increased risk of bleeding. www.sign.ac.uk /guidelines/fulltext/36/section2.html   (2651 words)

Prevention of thromboembolism A history of prior venous thromboembolic disease is among the highest of risk factors for a new thromboembolic event, particularly if the previous event occurred in the recent past. Thromboembolism is a complication of tamoxifen therapy, which should be discontinued three weeks before elective major surgery. This strategy obviously involves a calculated risk, and for patients at high risk for venous thromboembolism, aggressive prophylaxis should be instituted as soon as possible after surgery. clos.net /lib/04-comps/prevention_of_thromboembolism.htm   (2189 words)

PROVET HEALTHCARE INFORMATION - Pulmonary Thromboembolism   (Site not responding. Last check: 2007-10-23) You should seek the advice of your veterinarian if your pet is ill as only he or she can correctly advise on the diagnosis and recommend the treatment that is most appropriate for your pet. Pulmonary thromboembolism is a commonly recognised disorder in human medicine. Because pulmonary thromboembolism is difficult to diagnose and is such a serious a complication some authors advocate the prophylactic use low-dose anti-coagulants (eg heparin at 60-100 units/kg body weight by subcutaneous injection 2-3 times daily) in disorders (see above) which predispose to the development of thromboembolism. www.provet.co.uk /health/diseases/pulmonarythromboembolism.htm   (417 words)

Introduction: Thromboembolism - CureResearch.com Researching symptoms of Thromboembolism: Further information about the symptoms of Thromboembolism is available including a list of symptoms of Thromboembolism, or alternatively return to research other symptoms in the symptom center. Treatments for Thromboembolism: Various information is available about treatments available for Thromboembolism, prevention of Thromboembolism, or research treatments for other diseases. Statistics and Thromboembolism: Various sources and calculations are available in statistics about Thromboembolism, and you can also research other medical statistics in our statistics center. www.cureresearch.com /t/thromboembolism/intro.htm   (307 words)

Thromboembolism - WrongDiagnosis.com With a diagnosis of Thromboembolism, it is also important to consider whether there is an underlying condition causing Thromboembolism. Note: Thromboembolism symptoms usually refers to various symptoms known to a patient, but the phrase Thromboembolism signs may refer to those signs only noticable by a doctor. Prevention information for Thromboembolism has been compiled from various data sources and may be inaccurate or incomplete. www.wrongdiagnosis.com /t/thromboembolism/intro.htm   (376 words)

eMedicine - Thromboembolism : Article by Philip M Monteleone, MD   (Site not responding. Last check: 2007-10-23) Background: Thromboembolism (TE) in adults is a leading cause of morbidity and mortality. Internationally: Incidence of venous thromboembolism (VTE) was estimated by the Canadian Registry to be 0.07 per 10,000 children and 5.3 per 10,000 hospital admissions in 1994. Hagstrom JN, Walter J, Bluebond-Langner R, et al: Prevalence of the factor V leiden mutation in children and neonates with thromboembolic disease. www.emedicine.com /ped/topic2239.htm   (7211 words)

The Factor V Leiden Mutation and the Risk of Venous Thromboembolism in Gynecologic Oncology Patients -- Ravin et al. ... The Factor V Leiden Mutation and the Risk of Venous Thromboembolism in Gynecologic Oncology Patients -- Ravin et al. Prevention of postoperative venous thromboembolism by external pneumatic calf conpression in patients with gynecologic malignancy. Hellgren M, Svensson PJ, Dahlback B. Resistance to activated protein C as a basis for venous thromboembolism associated with pregnancy and oral contraceptives. www.greenjournal.org /cgi/content/full/100/6/1285   (2439 words)

The Effect of a Computerized Reminder System on the Prevention of Postoperative Venous Thromboembolism -- Mosen et al. ... thromboembolism when the baseline rate of prophylaxis is high. Eighty-seven percent of the 46 symptomatic venous thromboembolic Goldhaber, SZ, Dunn, K, MacDougall, RC New onset of venous thromboembolism among hospitalized patients at Brigham and Women’s Hospital is caused more often by prophylaxis failure than by withholding treatment. www.chestjournal.org /cgi/content/full/125/5/1635   (2704 words)

eMJA: Venous thromboembolism: diagnosis and management of deep venous thrombosis A negative compression ultrasound scan in patients with a moderate or high pretest probability does not reliably exclude the diagnosis, as there is still a substantial risk of DVT in the subsequent 3–6 months: 3.6% among patients with moderate probability and 31% among those with high probability. Low-molecular-weight heparin versus a coumarin for the prevention of recurrent venous thromboembolism in patients with cancer. Venous thromboembolism: diagnosis and management of pulmonary embolism Med J Aust 2005; 182 (11): 569-574. www.mja.com.au /public/issues/182_09_020505/ho10889_fm.html   (4090 words)

Chapter 8:Thromboembolism in Pregnancy - Maternal   (Site not responding. Last check: 2007-10-23) Pregnant women and, in particular, those with a history of thromboembolic disease are at appreciable risk during pregnancy. Prevention of venous thromboembolism in general surgical patients. patients with a past history of thromboembolism in pregnancy/puerperium (and no other risk factor) should receive thromboprophylaxis for 6 weeks postpartum. hebw.cf.ac.uk /maternal/chapter8.html   (520 words)

Medical Dictionary: Thromboembolism - WrongDiagnosis.com Thromboembolism: Obstruction of a vessel by a blood clot that has been transported from a distant site by the blood stream. Thromboembolism : obstruction of a blood vessel with thrombotic material carried by the blood stream from the site of origin to plug another vessel. Thromboembolism: Thromboembolism is listed as a type of (or associated with) the following medical conditions in our database: Artery conditions, Blood vessel conditions, Embolism www.wrongdiagnosis.com /medical/thromboembolism.htm   (251 words)

Thromboembolism Surgery Australia Facts | Thromboembolism Surgery Australia Information   (Site not responding. Last check: 2007-10-23) Emja the prevalence of venous thromboembolism after hip and knee replacement surgery. Patients with a first episode of idiopathic thromboembolism should be treated with anticoagulation. Venous thromboembolism is a frequent, life threatening, postoperative complication of hip fracture and total knee replacement surgery. www.strokes-guide.info /thromboembolism-surgery-australia.html   (710 words)

Venous Thromboembolism Secrets | Venous Thromboembolism Update   (Site not responding. Last check: 2007-10-23) Approach to pulmonary embolism diagnostic approach to dvt initial management of venous thromboembolism an approach to patients with venous thromboembolism and heparin induced thrombocytopenia. Inate investigators against thromboembolism an extensive resource for professionals and patients interested in prevention and or treatment of venous thromboembolism. Venous thromboembolism august 2000 clinical focus what is the best method of prevention of venous thromboembolism after injury - which groups of trauma patients are at high risk of developing vt. www.strokes-guide.info /venous-thromboembolism.html   (880 words)

Arch Intern Med -- Abstract: Reduction of Out-of-Hospital Symptomatic Venous Thromboembolism by Extended ... of symptomatic venous thromboembolism in many of these studies. From the Henderson Research Centre (Drs O'Donnell, Linkins, and Hirsh) and Thromboembolism Unit (Dr Kearon), Department of Medicine, and Department of Clinical Epidemiology and Biostatistics (Mr Julian), McMaster University, Hamilton, Ontario. Prevention of Venous Thromboembolism: The Seventh ACCP Conference on Antithrombotic and Thrombolytic Therapy archinte.ama-assn.org /cgi/content/abstract/163/11/1362   (270 words)

Thrombophilia in pregnancy -- Walker 53 (8): 573 -- Journal of Clinical Pathology In this study, the incidence of venous thromboembolism The prothrombin 20210A allele is the most prevalent genetic risk factor for venous thromboembolism in the Spanish population. Hellgren M, Svensson P, Dahlback B. Resistance to activated protein C is a basis for venous thromboembolism associated with pregnancy and oral contraceptives. jcp.bmjjournals.com /cgi/content/full/53/8/573   (5331 words)

Factor V Leiden Mutation and the Risks for Thromboembolic Disease: A Clinical Perspective -- Price and Ridker 127 (10): ... thromboembolism and are at substantial risk for recurrence. Venous thromboembolic disease and combined oral contraceptives: results of the international multicentre case–control study. Epidemiological observations of thromboembolic disease during pregnancy and in the puerperium, in 56,022 women. www.annals.org /cgi/content/full/127/10/895   (6372 words)

Thrombotic Disorders: Diagnosis and Treatment -- Schafer et al. 2003 (1): 520 -- Hematology Risk of venous thromboembolism and clinical manifestations in carriers of antithrombin, protein C, protein S deficiency, or activated protein C resistance: a multicenter collaborative family study. Temporary increase in the risk for recurrence during pregnancy in women with a history of venous thromboembolism. The incidence of venous thromboembolism in family members of patients with factor V Leiden and venous thromboembolism. www.asheducationbook.org /cgi/content/full/2003/1/520   (9541 words)

Diagnosis of pulmonary embolism -- Kearon 168 (2): 183 -- Canadian Medical Association Journal Riedel M, Stanek V, Widimsky J. Longterm follow-up of patients with pulmonary thromboembolism: late prognosis and evolution of hemodynamic and respiratory data. Leibowitz D. Role of echocardiography in the diagnosis and treatment of acute pulmonary thromboembolism. Ginsberg JS, Hirsh J, Rainbow AJ, Coates G. Risks to the fetus of radiologic procedures used in the diagnosis of maternal venous thromboembolic disease. www.cmaj.ca /cgi/content/full/168/2/183   (6656 words)

Trends in the Incidence of Venous Thromboembolism during Pregnancy or Postpartum: A 30-Year Population-Based Study -- ... Trends in the Incidence of Venous Thromboembolism during Pregnancy or Postpartum: A 30-Year Population-Based Study -- Heit et al. Trends in the Incidence of Venous Thromboembolism during Pregnancy or Postpartum: A 30-Year Population-Based Study for venous thromboembolism and pulmonary embolism in particular www.annals.org /cgi/content/abstract/143/10/697   (793 words)

NEJM -- Long-Term, Low-Intensity Warfarin Therapy for the Prevention of Recurrent Venous Thromboembolism Pineo, G. F., Hull, R. Low-Molecular-Weight Heparin for the Treatment of Venous Thromboembolism in the Elderly. Hoppe, B., Tolou, F., Radtke, H., Kiesewetter, H., Dorner, T., Salama, A. Marburg I polymorphism of factor VII-activating protease is associated with idiopathic venous thromboembolism. Beyth, R. A 10 mg nomogram was more effective than a 5 mg nomogram for warfarin induction in outpatient venous thromboembolism. content.nejm.org /cgi/content/abstract/348/15/1425   (1517 words)

Prevention of Venous Thromboembolism: The Seventh ACCP Conference on Antithrombotic and Thrombolytic Therapy -- Geerts ... Prevention of Venous Thromboembolism: The Seventh ACCP Conference on Antithrombotic and Thrombolytic Therapy -- Geerts et al. Thromboembolism after pneumonectomy for malignancy: An independent marker of poor outcome Patient ethnicity and use of venous thromboembolism prophylaxis www.chestjournal.org /cgi/content/abstract/126/3_suppl/338S   (1605 words)

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