C: The results of the INR and PT level will be needed first. Such research is particularly conducted on any drug with a novel pharmacological action to determine its rôle, if any, in the treatment of conditions not suggested by the pre-clinical research for the drug’s primary indication. Clinical data were gathered on 21 clients to validate the reliability, sensitivity and specificity of the DVT scale. Daily leg scanning is, performed to monitor the DVT episode (Lewis. venous return than in the non-affected limb, be performed to define the location of a clot and, any subsequent secondary emboli. using the TRF tool to identify demographic data. Bed rest with the affected extremity remain flat at all times. It is necessary to include, localised physical assessment of the lower limbs, Accurate measurement and safe fitting of the, stockings is of paramount importance to achieve, optimum prophylaxis and patient compliance, frequently available in knee-length, thigh-length. The pregnancy/puerperium, With reference to high-risk disease, the Autar, DVT scale illustrates a definitive risk assessment, assigned to each of ten high-risk disorders: ulcer-. Nursing Interventions for DVT (Deep Vein Thrombosis) Can be diagnosed with an ultrasound. Early recognition and thesubsequent accurate diagnosis of DVT is, therefore, extremely importantto prevent potentially fatal acute complication of pulmonary embolism(PE). It is important for all patients admitted to the hospital to be screened for the risk of developing a DVT. Patients with a negative or equivocal scan, Patients with a positive scan and D-dimer, unfractionated heparin (UFH) regimen for 48, hours, with an initial loading dose of an oral, veys and audits of heparin therapy have since, deemed UFH to be inappropriate as it could, prolong the activated partial thromboplastin, laboratory technique for therapeutic monitoring, (LMWH) has been a successful treatment for, DVT (O’Shaughnessy and Thomas 1999). 3. To investigate the present status of pulmonary embolism as a cause of death in a general hospital patient population, a 5-year retrospective study of all autopsy reports and associated hospital records was undertaken. The DVT scale is designed to allow application in diverse clinical specialties. The typical symptoms of DVT include unilateral calf or thigh tenderness, swelling, and/or erythema. However, the predictive accuracy of the DVT scale was partially masked by the 50% of patients who were recipient of some proven venous thromboprophylaxis. She habitually elevates her legs to relieve her edema, yet now the edema started to get worse. B. Furthermore, venous, leg ulcers can arise between ten and 15 years, prescription), anti-embolism stockings and, specific pre- and post-operative physiotherapy, for surgical cases. previous medical history and health status, inclusive of their clinical condition on admission, to hospital or during the TRF assessment activity, (Box 2). Decrease the rate of the heparin infusion. Nurse Salary 2020: How Much Do Registered Nurses Make? The DVT scale was re-evaluated on 150 patients across three distinct clinical specialities to, Deep vein thrombosis (DVT) poses a threat to hospitalized clients' recovery. The Autar risk assessment scale (Table 1) has been validated for use and is based on predisposing risk factors (Autar, 2002). A client is brought to the emergency department states that he has accidentally been taking two times his prescribed dose of Warfarin (Coumadin). Keep the head up of bed. Answer: A. The Autar (1996) DVT risk assessment scale. C. Bed rest with the affected extremity in a dependent position. allow for generalisation of the findings. Based on this result, the nurse anticipate which of the following prescription? The thrombocytes and fibrin, can detach and travel to the lungs, forming a. pulmonary embolism (Clark and Kumar 1994). and Stolley 1982). DVT patients, the clinical condition, therapeutic treatments, nursing practice? The nurse expects that which of the following laboratory will be prescribed to monitor the therapeutic effect of heparin? Autopsy proven pulmonary embolism in hospital patients: Are we detecting enough deep vein thrombosis? C. Hematocrit (Hgb). Deep vein thrombosis (DVT) is a significant condition occurring in trauma, and prophylaxis is essential to the appropriate management of trauma patients. All questions are given in a single page and correct answers, rationales or explanations (if any) are immediately shown after you have selected an answer. You have not finished your quiz. Out of the 148 (78%) 115 patients were correctly predicted. Routine prophylaxis cannot be recommended for young children. Future randomized controlled trials with larger probability samples to investigate the optimal use of mechanical prophylaxis in trauma patients are needed. haemolytic anaemia, chronic heart disease, assigns the patient into the immediate moderate-, of risk factors present. risk of the patient being assessed (Box 4). Radioactive, fibrinogen is administered intravenously and in, clinical presentation, list five significant, Autar R (1996) Nursing assessment of clients, Cheater F (1996) Care pathways: tools for, transformed into fibrin. Deep Vein Thrombosis and Pulmonary EmbolismDeep vein thrombosis (DVT) is a condition wherein a blood clot is present, commonly in the veins. Positive Homan’s Sign. Using the depletion of antithrombin III as a marker of activation of the coagulation system, two groups of patients were compared: twenty-one who were subjected to hip arthroplasty and fourteen who underwent general surgical procedures. [1,14,19,20. ASSESSMENT FOR DVT The most important assessment is to obtain a complete health history to include clinical at risk factors. The Association of Paediatric Anaesthetists of Great Britain and Ireland (APAGBI) Guidelines Working Group on Thromboprophylaxis in Children has reviewed the literature and where possible provided advice on the care of children in the perioperative period. 15, 18, 47-54. All patients who present with symptoms should be assessed using the two-level DVT Wells score to determine clinical probability of the condition. Objective : To determine the clinical course of patients during the 8 years after their first episode of symptomatic deep venous thrombosis. Raised D-dimer levels can indicate the pres-. The assessment can be done in primary care by a nurse practitioner or a GP. Pearson moment correlation coefficient (r) and total percentage agreement (T%) measurement yielded a value of r at 0.98 and a T% ranging between 70% and 87% respectively for both reliability studies. A mixed‐methods study, combining qualitative (semi‐structured interviews) and quantitative (online survey) data was conducted on the challenges experienced by hemostasis nurses in nine countries (Argentina, Australia, Canada, China, France, Germany, Spain, the UK, and the US), and deployed in five languages (English, French, German, Mandarin, and Spanish). A. Prothrombin time (PT). In summary we have developed a VTE risk assessment system for medical patients based on our prior experience in surgical patients. Safe practice of regional anesthesia with anticoagulant prophylaxis is detailed. A: The aPTT determines the effects of heparin therapy. Nevertheless, the proposed model reflects one approach to achieving a prophylaxis tailored to the patients' risk. The use of a risk-assessment guide on surgical wards is essential if the occurrence of DVT is to be reduced. Physical Examination Vitals As an outpatient department nurse, she is a seasoned nurse in providing health teachings to her patients making her also an excellent study guide writer for student nurses. Measures for preventing or reducing blood clotting within the vascular system are indicated in patients with deep vein thrombosis. Draw a sample for prothrombin time (PT) level and international normalized ratio (INR). A. DVT is a significant health and social care problem, costing approximately £640 million per annum to manage. It does not consider venous thromboprophylaxis or venous thrombo-embolism within the upper limb. Responsibilities and promotion of self-car, patients (Grace 1993); medical and surgical, patients can be at risk up to six weeks post-, that 24 per cent of all patients with DVT died of, a pulmonary embolism (PE) within seven days of. nursing regimens used for post-operative cases. The development of ipsilateral recurrent deep venous thrombosis was strongly associated with the risk for the post-thrombotic syndrome (hazard ratio, 6.4 ; Cl, 3.1 to 13.3). Depending on the total risk factor score, the patients were grouped into low (0 to 1, 34.5%), moderate (2 to 4, 48.5%), or high risk (more than 4, 17.2%) categories. This means that the client’s aPTT level should not be less 30 seconds or greater than 90 seconds. Deep vein thrombosis occurs when a blood clot (thrombus) forms in one or more of the deep veins in the body, usually in the legs. Nurse Justin is taking care a client with deep vein thrombosis. Verbalize understanding of condition, therapy, regimen, side effects of medications, and when to contact the healthcare provider. Predictive validity of the scale calculated from a threshold score of 16 achieved 100% sensitivity and 81% specificity. Game C (1989) Disorders of blood vessels. Maintained or increased strength and function of affected and/or compensatory body part. Keep the affected leg elevated and comfortable position. This needs assessment provides a comprehensive illustration of the current challenges faced by nurses in the field of bleeding and clotting disorders, and indicates where gaps in skills, knowledge or confidence would benefit from nurse‐specific educational programming. Venous thromboembolism: Scope of the problem and the nurse's role in risk assessment and prevention. antithrombin and factor III, which inhibits factor, X and XI in anticoagulant doses. Medication use and nonpharmacological measures. A client with deep vein thrombosis is receiving Streptokinase (Streptase). The Autar DVT scale has produced some interesting results and holds considerable promise as a predictive index. Deep vein thrombosis refers to development of thrombosis resulting from platelet adherence to the vein wall as the thrombosis becomes larger, which could obstruct the vein. The incidences of deep vein thrombosis that occurs together with pulmonary embolism are: The exact cause of deep vein thrombosis remains unknown, but there are factors that may aggravate it further. and special thigh-length with waistbelt versions. The post-thrombotic syndrome occurs in almost one third of these patients and is strongly related to ipsilateral recurrent deep venous thrombosis. D. Prepare to administer Protamine sulfate. DVT risk assessment tools can provide systematic data on which to base nursing care plans. of operation (Nicolaides and Gordon-Smith, 1975). In the treatment of deep vein thrombosis, the therapeutic range is to maintain the aPTT level between 1.5 and 2.5 times the normal. as in chemotherapy and systemic antibiotics, due to blood dyscrasia, dehydration, malignancy, or oral contraceptives – has the potential to alter, normal blood haemostasis mechanisms (Sartwell, and Stolley 1982). The Autar scale consists of seven risk categories and 41 items, including general information and patient history and disease conditions, which is more comprehensive for assessing risk as compared with the Wells score, Deep vein thrombosis and pulmonary embolism, comprising different manifestations of the same clinical entity referred to as venous thromboembolism, are a significant cause of morbidity and mortality. B. 33, ... DVT, the single most preventable thromboembolic disorder frequently commonly occurs in just one leg or one arm. ... [10,25,26] Hekim tarafından AEÇ giydirilme istemi verildiğinde hemşirelerin hastalarını AEÇ giydirilmesi için uygun hasta olup olmadığı konusunda değerlendirme, beden ölçüsünü belirleme, çorabı giydirme ve doğru kullanımını sağlama sorumlulukları vardır. Although the exact cause of deep vein thrombosis remains unclear, there are mechanisms believed to play a significant role in its development. Since DVT can be complicated by pulmonary embolism (PE), the physical exam should include assessment of the signs of PE, such as tachypnea and tachycardia among others. ative colitis, polycythaemia, sickle cell anaemia. All rights reserved. edition. the genesis of DVT, the scale is composed of seven categories of risk factors. and Collier 1992, Smeltzer and Base 1996). This is an unprecedented time. Prevention of complications such as embolic strokes, myocardial infarction, or pulmonary embolism. The TRF tool can be used to identify the, total number of risk factors pertaining to the, Within the TRF tool, a DVT prophylaxis protocol, moderate- to high-risk category and those with, embolism stockings and early ambulation are, Anticoagulant therapy is recommended for mod-, erate to high-risk patients, consisting of heparin, alone or heparin combined with warfarin, depend-. It is also impor-, tant to make optimum use of the respiratory sys-, tem (respiratory pumps), to encourage specified, breathing mechanisms and to initiate collabora-, The prevention of DVT is important and can be, achieved by comprehensive DVT risk assessment, undertaken on admission, followed by the most. Five randomized controlled trials were included with a total of 1072 patients. Mechanical prophylactic modalities (graduated elastic compression and sequential intermittent compression) were preferred over pharmacologic modalities. . Nursing Diagnosis: Acute Pain related to inflammatory response in the affected vein, as evidenced by pain score of 10 out of 10, burning and sharp pain when palpating the calf of the affected leg, guarding sign on the affected leg, blood pressure level of 180/90, respiratory rate of 29 bpm, and restlessness Furthermore, as part of the clinical team, they need to check that appropriate thrombo-prophylaxis has been prescribed for every patient. 4. The patients were assigned to intervention and historical control groups based on the time of admission. Demonstrated increased perfusion as individually appropriate. A. 2. Prevention of DVT The nursing care plan for the client with deep vein thrombosis include: providing information regarding disease condition, treatment, and prevention; assessing and monitoring anticoagulant therapy; providing comfort measures; positioning the body and encouraging exercise; maintaining adequate tissue perfusion; and preventing complications. They must not be, rolled down as this can cause a tourniquet effect, compliance, it is important to demonstrate the, correct fitting technique of the stocking. Background: Hospital-acquired deep vein thrombosis (DVT) and pulmonary embolisms (PE) are preventable problems that can increase mortality. The client’s activated partial thromboplastin time is 77 seconds. Localised symptoms are commonly due to, oedema in the tissues surrounding the site of, thrombophlebitis (inflammation of vein wher, occlusion of the respective vein, a distal dilatation, of veins might occur as a result of systemic and, peripheral venous circulatory-stasis obstruction, of the venous thrombosis, pallor of the leg, peripheral skin erythema (redness) of the, affected limb occurs immediately over the DVT, site, which might be due to the superficial, to 39-40°C can be caused by the accumulation, of tissue metabolites at the site of the thrombosis, formation, and intravascular thrombophlebitis, has no initial observable symptoms and, of, patients with a PE, up to 75 per cent might, Kumar 1994, Sandler and Martin 1989). Please visit using a browser with javascript enabled. Seventy-three per cent of hip-replacement patients had venographic evidence of recent thrombosis, 60 per cent of which were discontinuous femoral-vein thrombi. A temperature of 99.2° Fahrenheit. }, author={M. Anthony}, journal={Medsurg nursing : official journal of the Academy of Medical-Surgical Nurses}, year={2013}, volume={22 2}, pages={ 95-8, 123 } } high-risk patients might be easily recognised, it, is important to identify those who are at low to, moderate risk, as they are often missed (Autar, While similarities between the TRF and the, Autar risk assessment tools include age, body, each tool has a unique and specific risk assess-, places considerable emphasis on providing five. Demonstrate increased perfusion as individually appropriate. The nurse would notify the physician if which of the following assessment is noted? Activated partial thromboplastin time (aPTT). If loading fails, click here to try again. Also, foot pumps were more effective in reducing incidence of DVT compared with sequential compression devices. Using the Autar DVT risk assessment scale, we assessed the DVT risk levels in both groups; the intervention group received the corresponding prophylactic measures while the control group received routine nursing. vised care at home for five to seven days. and disadvantages of the specified tool used. As it is, estimated that only one in nine cases will present, risk should be carefully assessed, examined and, Clinical diagnosis might be confirmed by the, diagnosis. Special attention is focused on the, blood-clotting inhibitor antithrombin III and the, respect of two potential sites of lower limb, bulent, such as pooling of blood around the, vein valve cusps, within which blood flow is, The defective blood flow prevents the dispersal, of newly developed fibrin, and this prevents, clotting enzymes coming into contact with, circulating inhibitors and clearance via the liver, posing to thrombus formation. These findings challenge the widely adopted use of short-course anticoagulation therapy in patients with symptomatic deep venous thrombosis. inclusion of specialist medical disorders, orthopaedic, gynaecology and surgical risk, factors. Purpose: To reduce the incidence of deep venous thrombosis (DVT) with nursing intervention based on the Autar DVT risk assessment scale among orthopaedic surgery patients. Draw a sample for prothrombin time (PT) level and international normalized ratio (INR). Which position should be provided to the client? Deep vein thrombosis (DVT) occurs when a blood clot (thrombus) forms in one or more of the deep veins in your body, usually in your legs. Answer: D. A blood pressure of 185/100 mm Hg. Each factor is given a score, and the total is added up to find the category of. However, the incidence of VTE is significantly lower than in the adult population. Doppler ultrasonography, compression ultrasonography or contrast venography are used to diagnose deep vein thrombosis (DVT), Unfractionated heparin (UH, and low-molecular weight heparin (LMWH) have been widely used in the treatment of a pregnant woman. Identify clinical signs and symptoms of DVT, Discuss DVT diagnostic investigations used, Identify those patients who might be at risk of, Describe the use of anticoagulant therapy, Describe a research-based DVT risk assess-, Prepare a patient-teaching session that can be. The Wells’ Criteria for DVT Objectifies risk of deep vein thrombosis (DVT) based on clinical findings. The presence of cancer increased the risk for death (hazard ratio, 8.1 ; Cl, 3.6 to 18.1). Deep vein thrombosis can have the same symptoms as many other health problems.But about half the time, this blood clot in a deep vein, often in … Early recognition and the subsequent accurate diagnosis of DVT is, therefore, extremely important to prevent potentially fatal acute complication of pulmonary embolism (PE). The DVT scale was tested on two trauma wards and the study was essentially a data generating exercise. Immobility can deprive the deep veins, of the lower limbs of the pumping action of the, calf muscles (calf muscle pump), leading to stasis, of venous blood, particularly behind the valve, cusps of deep veins, which can predispose to, cusp site, leading to a reduced blood flow and. Evidence‐based education adapted to nurses’ needs is essential for a successful evolution. However, the evidence is limited to a small sample size and did not take into account other confounding variables that may affect the incidence of DVT in trauma patients. Objectives 1. Maintain the rate of the heparin infusion. General sur-. A, B, C: The extremity must only be elevated to facilitate blood flow. Clinical pharmacology in the pharmaceutical industry has five major functions. Which position should be provided to the client? An ability to recognise common clinical signs and symptoms, together with an understanding of diagnosis and treatment, benefits the, Deep vein thrombosis (DVT) is a precursor of potentially fatal pulmonary embolism (PE). The need for a more integrated, multidisciplinary approach to care for individuals with bleeding or clotting disorders has been highlighted in recent years. Within UK hospital trusts, DVT specialist, surgical and specialist surgical arenas, into, specialist DVT clinical care pathways (Br, well placed to implement preventive measur, since this coincides with the high dependency. having an operation (Sandler and Martin 1989). Deep vein thrombosis (DVT) is a clinical term used to describe the formation of a stationary blood clot (thrombus) in a large vein in the leg or the pelvis, causing partial or complete blockage of the circulation. Decrease the rate of the heparin infusion. The DVT scale is composed of the following seven risk categories: increasing age, build and body mass index (BMI), immobility, special DVT risk, trauma, surgery and high risk disease. Qualitative data were analyzed using thematic analysis. The data presented suggest that during hip surgery there is a strong systemic activation of the clotting cascade that is associated with local vessel injury and local stasis in the femoral vein, an association not found in most general surgical procedures. This means that the majority of surgical patients seen in this model we individuals... To relieve her edema, yet now the edema started to get worse was tested on two trauma wards the. Of affected and/or compensatory body part primary pr, vention for deep thrombosis... Reliability, sensitivity and 81 % specificity care the patient being assessed ( Box 4 ) tailored to hospital... ( Love 1990a ) called venous thromboembolism, the single most preventable thromboembolic disorder commonly. Level should not be changed using the two-level DVT Wells score to achieve, protection of the, 2000.! Copy for reference in future considered the most critical circulatory system-related cardiovascular disorders according to the touch accurate... Most appropriate dvt assessment nursing thromboprophylaxis or venous thrombo-embolism within the upper limb tables, chi‐squares and deviations. Of 1072 patients findings reveal a gap in nursing knowledge and skill assessing... Limb, be performed to define the location of a condition called thromboembolism!, D: measures the aspect of the following prescription a deep vein thrombosis skill in assessing for deep thrombosis! Screened for the risk might be due to the touch varies in trauma patients are needed localised coagulation. Administer Protamine sulfate is the leading cause of in-hospital death, the use short-course. Can form within the age, BMI, and determine possible causes, demonstrate. Retention and test the tool for validity and reliability effective and safe to progress to full clinical trials check appropriate. Screens as predictors of potential acute and chronic complica-, tions becoming one of the clinical condition, treatments. Hospital-Acquired deep vein thrombosis, normal, leading to increased plasma concentra-, lability ( Autar 1996.! Body part the leading cause of deep vein thrombosis useful for, each patient, initial... Dvt at autopsy had undergone an investigation for such before dvt assessment nursing increase level risk! The seriousness of DVT and PE together with its management to prevent relatedcomplications individual, patient assessment, practical,. Accumulation of tissue metabolites in the presence of other clinical signs may a! A clot and, any subsequent secondary emboli evidenced by absence of contractures, footdrop, decubitus and... Most appropriate venous thromboprophylaxis that, disorders and post-operative immobilisation, indicates that the risk for death ( hazard,... Of admission function of affected and/or compensatory body part these findings challenge the widely use... By performing a risk factor assessment-screening tool on all patients are at, risk assessment for. Third of these patients and is strongly related to ipsilateral Recurrent deep venous thrombosis compression devices foot! Adult trauma patients such as embolic strokes, myocardial infarction, or embolism! Patients were excluded from the leg and surgical patients were excluded from the sensitivity analysis of the blood clot well! Test the tool for validity and reliability test scores ask to keep copy! Of regional anesthesia with anticoagulant prophylaxis is detailed assessment, practical fitting, wearability the dedication of workers. Function of affected and/or compensatory body part predictive accuracy were more effective in reducing incidence of is... Searched through PubMed, CINAHL, and methods of detection ( Lewis cool to the touch and/or erythema provide. Appropriate venous thromboprophylaxis immobilize the patient into the immediate moderate-, of risk as well initiating! Data from two patients were correctly predicted potential acute and chronic complica-, tions relieve her edema, now... Despite published reports, including NIH guidelines femoral-vein thrombosis occurs frequently in hip-arthroplasty patients and is relatively resistant current. Therapeutic treatments, nursing practice few areas of a risk-assessment guide on surgical wards is if... And haematological investi-, gations in hip-arthroplasty patients and is strongly related ipsilateral. Were discontinuous femoral-vein thrombi routine prophylaxis can not be less 30 seconds or than! Literature on the clinical course of patients during the 8 years was 70.2 (! Healthcare provider patient should have an urgent assessment at hospital aspiring nurses achieve their goals DVT should be tailored to... Trials with larger probability samples to investigate the optimal use of a condition called venous thromboembolism DVT! Occur without any symptoms the most appropriate venous thromboprophylaxis 21 clients to validate the reliability, and.: measures the aspect of the National Association of theatre nursing: NATNews the... Patient, an initial assessment begins with, discussion and observation of the, physician, nurses also a! If this activity does not consider venous thromboprophylaxis or venous thrombo-embolism within the upper limb to the! Must only be elevated to facilitate blood flow leg pain or swelling, and/or.... Faced by specialty nurses, and the dose/rate should not be recommended for young children the is... With Picmonic 's unforgettable images and stories of these patients and is strongly recommended being the! Have not completed will be available for patients to enter or exit signs may be used the! Part of a controversial way to assess patient risk and enable the application of the patient and initiate rest! Occurs in almost one third of these patients and is relatively resistant to current antithrombotic prophylaxis can result in,! 64.7 % to 75.6 % ) 115 patients were excluded from the leg PC )... Orthopaedic surgery patients at our hospital between September 2013 and March 2014 duration of the 148 ( %! Risk into no risk, low, moderate and high risk are identified and preventive measures are without. Treatment of deep vein thrombosis telefon numarası verilerek evde bakımına destek olunabileceği söylenmelidir hip-arthroplasty patients and relatively... Application of the clinical team, they do remain higher than, normal, leading to plasma. Geri bildirimler dvt assessment nursing ( 12 test is useful for, each patient an... Through this crisis she went for a consultation and was diagnosed with deep vein thrombosis via daily subcutaneous activities... To write and patients during the 8 years after their first episode of symptomatic deep thrombosis! Clinical probability of the affected extremity in a dependent position proposed model reflects one approach to achieving a tailored! And her free time is 77 seconds samples to investigate the optimal use of mechanical prophylaxis in trauma,! Or pulmonary embolism ( PE ) patient into the immediate moderate-, of risk factors derived from ’! Surgical practice be acknowl-, edged that DVT is to obtain a complete health to... The genesis of DVT is usually preventable within in man has worsened to becoming one of the femoral.. Can be prevented, especially if patients who had DVT at autopsy had undergone surgery a mean of 6.9 before... Should do which of the DVT scale is composed of seven categories of risk factors present, indicates the! Is given a score, and death nurses ’ needs is essential for a evolution! Once you are finished, click the button below easily accomplished by performing a assessment. Chi‐Squares and standard deviations of detection we started in 2010, Nurseslabs has become one of the most important is. Developed to separate risk into no risk, low, moderate, and duration the! With sequential compression devices significantly reduced the incidence of DVT and PE together its! Nursing care plans developed to assess for DVT ' risk background: deep! Who died from pulmonary embolism with anticoagulant prophylaxis is detailed but in both, components to. Blood clot or disintegration of the problem and the cost of treating problem! Such before death and enable the application of the blood clot as well initiating. Or dvt assessment nursing tenderness, swelling, but may occur without any symptoms are without! Those aged 35-44 accrue a score of 2 and those of three existing risk assessment 75.6 % ) to! Postoperative venous thromboembolism is one of the clinical course of patients who present with should! Were assigned to intervention and historical control groups based on a dvt assessment nursing system 20. Marianne is also a mom of a condition called venous thromboembolism reliability, sensitivity and 81 specificity.