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PubMed2006

[Elastic stockings and compression therapy, arguments favoring more rational use].

Elastic stockings and compression therapy are often considered as a major tool in the prevention and in the treatment of chronic venous insufficiency and of lymphedema. Nevertheless we must note that this therapeutic option is both underused and misused. We discuss the reasons for this paradox and the expected modes of action and pathophysiological benefits, and finally propose a prescription guide (indications, dosage, practice details) for a rational use of elastic stockings and compression therapy.

Humans↗

PubMed2000

Compression bandages and stockings for venous leg ulcers.

OBJECTIVES: To assess the effectiveness and cost-effectiveness of compression bandaging and stockings in the treatment of venous leg ulcers. SEARCH STRATEGY: Searches of 19 databases, hand searching of journals, conference proceedings and bibliographies. Manufacturers of compression bandages and stockings and an Advisory Panel were contacted for unpublished studies. SELECTION CRITERIA: Trials that evaluated compression bandaging or stockings, as a treatment for venous leg ulcers. There was no restriction on date or language. Ulcer healing was the primary endpoint. DATA COLLECTION AND ANALYSIS: Details of eligible studies were extracted and summarised using a data extraction sheet. Data extraction was verified by two reviewers independently. MAIN RESULTS: Twenty two trials reporting 24 comparisons were identified. Compression was more effective than no compression (4/6 trials). When multi-layered systems were compared, elastic compression was more effective than non-elastic compression (5 trials). There was no difference in healing rates between 4-layer bandaging and other high compression multi-layered systems (3 trials). There was no difference in healing rates between elastomeric multi-layered systems (4 trials). Multi-layered high compression was more effective than single layer compression (4 trials). Compression stockings were evaluated in two trials. One found a high compression stocking plus a thrombo stocking to be more effective than a short stretch bandage. The second small trial reported no difference between the compression stockings and Unna's boot. There was insufficient data to draw conclusion about the relative cost-effectiveness of different regimens. REVIEWER'S CONCLUSIONS: Compression increases ulcer healing rates compared with no compression. Multi-layered systems are more effective than single-layered systems. High compression is more effective than low compression but there are no clear differences in the effectiveness of different types of high compression.

Bandages↗

PubMed1978

Efficacy of graded-compression antiembolism stockings in patients undergoing total hip arthroplasty.

A prospective randomized trial evaluated graded-compression antiembolism stockings for prevention of leg vein thrombosis as assessed by Doppler ultrasound, in patients undergoing total hip replacement. The study was terminated after the evaluation of 18 patients revealed a significantly greater incidence of deep vein thrombosis, documented by phlebography, in patients without stockings (5 of 10) compared to those with stockings (none of 8, p less than 0.03). Three of the patients with thrombosis developed pulmonary emboli. Although the sample size of this study is small, the implication that graded-compression stockings reduce the incidence of leg vein thrombosis is strong and is supported by the results of other recent trials. These findings are at variance with earlier studies which failed to document efficacy of elastic stockings, which involved products which did not provide graded limb compression.

Aged↗

PubMed2002

Low rate of venous thromboembolism after craniotomy for brain tumor using multimodality prophylaxis.

CONTEXT: Venous thromboembolism (VTE) is the most frequent complication following craniotomy for brain tumors. At Brigham and Women's Hospital, VTE after craniotomy for brain tumor is the leading cause of deep vein thrombosis (DVT) and pulmonary embolism (PE) among patients hospitalized for conditions other than VTE. OBJECTIVE: To minimize VTE among patients undergoing craniotomy for brain tumor. DESIGN: Randomized, prospective, double-blind clinical trial. SETTING: Brigham and Women's Hospital. PATIENTS: One hundred fifty patients undergoing craniotomy for brain tumor randomized to enoxaparin, 40 mg/d, vs heparin, 5,000 U bid, with all patients receiving graduated compression stockings and intermittent pneumatic compression. MAIN OUTCOME MEASURES: The rate of DVT detected by venous ultrasonography prior to hospital discharge. RESULTS: Symptomatic DVT or PE developed in none of the patients. The overall rate of asymptomatic VTE was 9.3%, with no significant difference in the rates between the two prophylaxis groups. Ten of the 14 patients identified with VTE had thrombus limited to the deep veins of the calf. CONCLUSIONS: Enoxaparin, 40 mg/d, or unfractionated heparin, 5,000 U bid, in combination with graduated compression stockings, intermittent pneumatic compression, and predischarge surveillance venous ultrasonography of the legs, resulted in 150 consecutive patients without symptomatic VTE. The low 9.3% frequency of asymptomatic VTE comprised mostly isolated calf DVT. Therefore, this comprehensive, multimodality approach to VTE prophylaxis achieved excellent efficacy and safety.

Bandages↗

PubMed2005

Towards evidence-based guidelines for the prevention of venous thromboembolism: systematic reviews of mechanical methods, oral anticoagulation, dextran and regional anaesthesia as thromboprophylaxis.

OBJECTIVES: To assess the benefits in terms of reductions in the risks of deep vein thrombosis (DVT) and of pulmonary embolism (PE), and hazards in terms of major bleeding, of: (i) mechanical compression; (ii) oral anticoagulants; (iii) dextran; and (iv) regional anaesthesia (as an alternative to general anaesthesia) in surgical and medical patients. DATA SOURCES: Electronic databases, search of Antithrombotic Trialists' Collaboration database, contact with trialists and manufacturers. REVIEW METHODS: All trials identified as fitting the selection criteria were independently assessed. The primary outcomes were DVT, PE and major bleeding events, and proximal venous thrombosis (PVT) and fatal PE were secondary outcomes. Trials were subdivided into those that had assessed a method as the only means of thromboprophylaxis ('monotherapy') and those that had assessed the effects of adding a method to another form of thromboprophylaxis ('adjunctive therapy'). RESULTS: Mechanical compression methods reduced the risk of DVT by about two-thirds when used as monotherapy and by about half when added to a pharmacological method. These benefits were similar irrespective of the particular method used (graduated compression stockings, intermittent pneumatic compression or footpumps) and were similar in each of the surgical groups studied. Mechanical methods reduced the risk of PVT by about half and the risk of PE by two-fifths. Oral anticoagulants, when used as monotherapy, reduced the risk of DVT and of PVT by about half, and this protective effect appeared similar in each of the surgical groups studied. There was an apparently large four-fifths reduction in the role of PE, but not only was the magnitude of this reduction statistically uncertain, but also pulmonary embolism was reported by a minority of trials, so it may be subject to selection bias. Oral anticoagulant regimens approximately doubled the risk of major bleeding and appeared less effective at preventing DVT than heparin regimens, although were associated with less major bleeding. Dextran reduced the risk of DVT and of PVT by about half, again irrespective of the type of surgery, but too few studies had reported PE to provide reliable estimates of effect on this outcome. Dextran appeared to be less effective at preventing DVT than the heparin regimens studied. Dextran was associated with an increased risk of bleeding, but too few bleeds had occurred for the size of this excess risk to be estimated reliably. Compared with general anaesthesia, regional anaesthesia reduced the risk of DVT by about half, and this benefit appeared similar in each of the surgical settings studied. Regional anaesthesia was associated with less major bleeding than general anaesthesia. CONCLUSIONS: In the absence of a clear contraindication (such as severe peripheral arterial disease), patients undergoing a surgical procedure would be expected to derive net benefit from a mechanical compression method of thromboprophylaxis (such as graduated compression stockings), irrespective of their absolute risk of venous thromboembolism. Patients who are considered to be at particularly high risk of venous thromboembolism may also benefit from a pharmacological thromboprophylactic agent, but since oral anticoagulant and dextran regimens appear less effective at preventing DVT than standard low-dose unfractionated heparin or low molecular weight heparin regimens, they may be less suitable for patients at high risk of venous thromboembolism, even though they are associated with less bleeding. Whenever feasible, the use of regional anaesthesia as an alternative to general anaesthesia may also provide additional protection against venous thromboembolism. There is little information on the prevention of venous thromboembolism among high-risk medical patients (such as those with stroke), so further randomised trials in this area would be helpful.

Administration, Oral↗

PubMed1994

[Compression therapy in post-thrombotic syndrome].

The most important aim of compression therapy in postthrombotic legs is prevention of dermatosclerosis and ulcus cruris. For the acute stage of leg swelling and for venous ulceration we prefer compression bandages ("therapy phase"). The effect of compression therapy with bandages depend on the material of the used bandages (short or long-stretch bandages), the stretching the bandages are applied with, the number of layers, the local pads and on well done application of the bandages. After removal of oedema compression therapy should be continued with medical compression stockings ("maintenance phase"). Compression stockings should be fit on carefully and be checked from time to time to guarantee their application by the patient.

Bandages↗

PubMed2000

[Placebo controlled efficacy of class 1 elastic stockings in chronic venous insufficiency of the lower limbs].

OBJECTIVE: To compare, in a 4-week clinical trial, the efficacy of class 1 Elastic Compression Stockings (pressure at the ankle 10 to 15 mmHg) to that of Placebo Stockings (pressure at the ankle 3 to 6 mmHg) in women consulting in general practice for mild, symptomatic, chronic venous insufficiency of the lower limbs. PATIENTS AND METHODS: This was a 4-week multicentre, randomised, double-blind, placebo-controlled clinical trial conducted on two parallel groups of patients presenting with mild chronic venous insufficiency grade C(1-3S) E(p) A(S1-5) according to the CEAP classification. Treatment efficacy was assessed by the following criteria: global impairment as assessed at each visit on a visual analogue scale (primary efficacy parameter), Quality of Life measured by the CIVIQ questionnaire, symptoms index (sum of individual scores for pain, limb heaviness, paresthesias, cramps and evening limb oedema), limb volume measured by volumetry, and the evolution of global impairment during the course of the trial as assessed by repeated auto-evaluations on visual analogue scales. Compliance was assessed by the number of days patients wore the stockings for at least ten hours per day. Treatment tolerability was assessed by the record of the possible adverse events. RESULTS: Three hundred and forty one patients were included in total. Statistically significant differences were observed on global score of quality of life in favour of class 1 Elastic Compression Stockings group. In the subgroup of patients with evening limb oedema at inclusion, the decrease of limb volume noted with class 1 Elastic Compression Stockings was all the more marked that evening limb oedema was more pronounced at baseline. A good compliance was observed in 76% to 80% of patients according to the treatment group. Tolerability of class 1 Elastic Compression Stockings was comparable to that of the Placebo Stockings. CONCLUSIONS: After four weeks of treatment, compression with class 1 Elastic Compression Stockings allows a statistically significant improvement of Quality of Life and a decreasing of limb oedema in patients presenting with mild chronic venous insufficiency of the lower limbs. Moreover, the tolerability of class 1 Elastic Compression Stockings was confirmed by the high level of patient compliance.

Bandages↗

PubMed1989

Varicose veins: optimum compression after surgery and sclerotherapy.

Graduated compression stockings are used in both surgical and non-surgical treatment of varicose veins. In a trial of high versus low compression stockings (40 mmHg vs 15 mmHg at ankle) after varicose vein surgery, both were equally effective in controlling bruising and thrombophlebitis, but low compression stockings proved to be more comfortable. In a further trial after sclerotherapy, high compression stockings alone produced comparable results to Elastocrepe bandages with stockings. It is concluded that after varicose vein surgery low compression stockings provide adequate support for the leg and that after sclerotherapy, bandaging is not required if a high compression stocking is used.

Adult↗

PubMed1976

[Prophylaxis of thrombosis, varices, endema-indications for ready-made elasticated stockings? Comparative pressure measurements of ready-made elasticated stockings of Compression Classes I-IV (author's transl)].

Comparative pressure measurements of ready-made elasticated stockings of compression classes I-IV were carried out on 28 patients. Considerable differences in pressure sometimes occur, stockings with a high compression cannot be put on without help. Not all of them can be boiled, the properties sometimes alter after washing. Elasticated stockings are not indicated in lymphedemas etc. Only stockings of compression class I are suitable for the prophylaxis of thrombosis in bedridden patients.

Edema↗

PubMed2001

Frequency and prevention of symptomless deep-vein thrombosis in long-haul flights: a randomised trial.

BACKGROUND: The true frequency of deep-vein thrombosis (DVT) during long-haul air travel is unknown. We sought to determine the frequency of DVT in the lower limb during long-haul economy-class air travel and the efficacy of graduated elastic compression stockings in its prevention. METHODS: We recruited 89 male and 142 female passengers over 50 years of age with no history of thromboembolic problems. Passengers were randomly allocated to one of two groups: one group wore class-I below-knee graduated elastic compression stockings, the other group did not. All the passengers made journeys lasting more than 8 h per flight (median total duration 24 h), returning to the UK within 6 weeks. Duplex ultrasonography was used to assess the deep veins before and after travel. Blood samples were analysed for two specific common gene mutations, factor V Leiden (FVL) and prothrombin G20210A (PGM), which predispose to venous thromboembolism. Asensitive D-dimer assay was used to screen for the development of recent thrombosis. FINDINGS: 12/116 passengers (10%; 95% CI 4.8-16.0%) developed symptomless DVT in the calf (five men, seven women). None of these passengers wore elastic compression stockings, and two were heterozygous for FVL. Four further patients who wore elastic compression stockings, had varicose veins and developed superficial thrombophlebitis. One of these passengers was heterozygous for both FVL and PGM. None of the passengers who wore class-I compression stockings developed DVT (95% CI 0-3.2%). INTERPRETATION: We conclude that symptomless DVT might occur in up to 10% of long-haul airline travellers. Wearing of elastic compression stockings during long-haul air travel is associated with a reduction in symptomless DVT.

Aged↗

PubMed1998

Incidence of deep vein thrombosis after laparoscopic vs minilaparotomy cholecystectomy.

OBJECTIVES: To determine the frequency of deep vein thrombosis (DVT) associated with minimally invasive cholecystectomy and to determine, using minilaparotomy cholecystectomy as a control operation, the influence of the laparoscopic pneumoperitoneum on DVT formation. DESIGN: Prospective nonrandomized control trial. SETTING: Tertiary care university hospital. PATIENTS: One hundred consecutive patients intended to undergo either laparoscopic cholecystectomy (59 patients) or minilaparotomy cholecystectomy (41 patients) with either of 2 surgeons were prospectively enrolled between April 1996 and April 1997. The minilaparotomy cholecystectomy group served as controls to isolate the effect of the pneumoperitoneum. Patient details, operative details, and any thromboembolic or bleeding complications were recorded. The same thromboprophylaxis regimen was prescribed for each group; namely, preoperative and postoperative subcutaneous low-molecular-weight heparin (LMWH), graduated compression stockings, and intraoperative intermittent calf compression. INTERVENTION: Minimally invasive cholecystectomy. MAIN OUTCOME MEASURE: Frequency of DVT. Bilateral lower limb venous color duplex scanning was used to detect DVT. Scans were performed on 3 occasions: (1) preoperatively on admission to hospital, (2) on the first postoperative day, and (3) between 2 and 4 weeks postoperatively. RESULTS: Three patients in the laparoscopic group and 2 patients in the minilaparotomy group underwent conversion to conventional open cholecystectomy. There were no significant differences between patients in the 2 groups for age, sex, body mass index, preoperative white blood cell count, platelet count, prothrombin time, or activated partial thromboplastin time. There were no significant differences between the 2 groups for elective vs emergency operations, public hospital vs private hospital admissions, or consultant vs resident surgeon. Macroscopic gallbladder pathology grades for both groups were not significantly different, and there was no significant difference in the duration of postoperative hospital stay. Operative cholangiography was performed in a significantly larger proportion of laparoscopic cases (86% vs 66% in the minilaparotomy group; chi(2) test, P=.002), and the duration of anesthesia was significantly longer for the laparoscopic operation (118 minutes vs 98 minutes; t test, P=.05). Ninety-seven patients received preoperative LMWH and all patients received graduated compression stockings, intraoperative intermittent calf compression, and postoperative LMWH. Two of the 100 patients had postoperative DVT, 1 after laparoscopic cholecystectomy and 1 after minilaparotomy cholecystectomy. Both DVTs were detected by duplex examination on the first postoperative day. The DVT found after laparoscopic cholecystectomy was in 1 of the 3 patients who did not receive preoperative LMWH. There were no DVTs in any of the 40 patients who had an additional duplex scan between 2 and 4 weeks after operation. CONCLUSIONS: Despite the theoretical risk of thromboembolic disease due to use of the laparoscopic pneumoperitoneum, the frequency of DVT after either laparoscopic cholecystectomy or minilaparotomy cholecystectomy is low if adequate thromboprophylaxis is provided.

Cholecystectomy, Laparoscopic↗

PubMed1987

Regimen for improved effectiveness of intermittent pneumatic compression in deep venous thrombosis prophylaxis.

The incidence of deep venous thrombosis (DVT) was assessed in a series of 78 patients undergoing major surgical operations to compare the prophylactic effectiveness of intermittent sequential pneumatic compression alone with the simultaneous use of graduated compression stockings and intermittent sequential pneumatic compression. The diagnosis of DVT was determined with the I-125 fibrinogen-uptake test, Doppler ultrasound, maximum venous outflow by strain-gauge plethysmography, and contrast venography. The incidence of DVT in nonstockinged legs was 9% while that in the stockinged legs was 1%. The simultaneous use of graduated elastic compression stockings and intermittent pneumatic compression is more effective than pneumatic compression alone in the prevention of postoperative DVT.

Adult↗

PubMed2001

Heparins and mechanical methods for thromboprophylaxis in colorectal surgery.

BACKGROUND: Colorectal surgery implies higher risk of postoperative thromboembolic complications as deep venous thrombosis (DVT) and pulmonary embolism (PE) than general surgery. The best prophylaxis in general surgery is heparin and graded compression stockings. No systematic review on combination prophylaxis or on thrombosis prophylaxis in colorectal surgery has been published. OBJECTIVES: To compare the incidence of postoperative thromboembolism after colorectal surgery using prophylactic methods focussing on heparins and mechanical methods alone and in combinations. SEARCH STRATEGY: Electronic searches was performed in MEDLINE, EMBASE back to 1970. Abstract books from major congresses were handsearched as were reference lists from previously performed reviews. SELECTION CRITERIA: RCT or CCT comparing prophylactic interventions and/or placebo. Outcomes were ascending venography, 125 I-fibrinogen uptake test, ultrasound methods, pulmonary scintigraphy. Studies, using thermographic methods, other isotopic methods, plethysmographic methods, and purely clinical methods as the only diagnostic measure were excluded. 558 studies were identified - 477 were excluded. Only 3 of the identified studies focused exclusively on colorectal surgery. Studies of general surgery contain considerable numbers of colorectal patients. The authors of 66 studies in general and/or abdominal surgery were contacted for retrieving the results from the colorectal patients. Answers were received from very few. 19 studies entered this review. DATA COLLECTION AND ANALYSIS: All studies and all data extraction were performed independently by at least two of the authors. Outcome was deep venous thrombosis and/or pulmonary embolism. Analysis of bleeding complications were unfeasible. 12 meaningful outcomes were analysed by means of the fixed effects model with Peto Odds Ratios. MAIN RESULTS: Heparins versus no treatment: Any kind of heparincompared to no treatment or placebo (comparison 07.03, 11 studies). Heparin is better in preventing DVT and/or PE with a Peto Odds ratio at 0.32 (95% Confidence Interval 0.20-0.53) Unfractionated heparin versus low molecular weight heparin (comparison 08.03, 4 studies). The two treatments were found equally effective in preventing DVT and/or PE with a Peto Odds ratio 1.01 (95% Confidence Interval 0.67-1.52). Mechanical methods (comparison 10.3, 2 studies). The combination of graded compression stockings and LDH is better than LDH alone in preventing DVT and/or PE with a Peto Odds ratio at 4.17 (95% Confidence Interval 1.37-12.70). REVIEWER'S CONCLUSIONS: The optimal prophylaxis in colorectal surgery is the combination of graduated compression stockings and low-dose unfractionated heparin. The unfractionated heparin can be replaced with low molecular weight heparin.

Anticoagulants↗

PubMed2006

Effectiveness of a guideline for venous thromboembolism prophylaxis in elderly post-acute care patients: a multicenter study with systematic ultrasonographic examination.

BACKGROUND: Thromboprophylaxis in elderly patients, including post-acute care patients, is at variance with scientific evidence. The purpose of this study was to determine whether a multifaceted intervention was followed by a decrease in deep venous thrombosis (DVT). METHODS: A prospective preintervention-postintervention study was conducted in 1373 patients (preintervention phase, n = 709; postintervention phase, n = 664), aged 65 years or older, enrolled in 33 hospital-based post-acute care facilities in France. An evidence-based guideline addressing pharmacologic and mechanical prophylaxis was implemented through a multifaceted intervention. The main outcome measure was any DVT diagnosed at routine comprehensive ultrasonography performed by registered angiologists. RESULTS: A DVT was found in 91 patients (12.8%) in the preintervention phase and in 52 patients (7.8%) in the postintervention phase (P = .002). The decrease in DVT involved the calf (7.1% vs 3.6%; P = .005) and the proximal venous segments (5.8% vs 4.2%; P = .18) and remained significant after adjusting for risk factors (adjusted odds ratio of any DVT, 0.58; 95% confidence interval, 0.39-0.86). Pharmacologic prophylaxis with either low-molecular-weight heparin at the high-risk dose, unfractionated heparin, and vitamin K antagonist was similar in the 2 study groups, whereas patients in the postintervention group were more likely to use graduated compression stockings (27.4% vs 34.6%; P = .004) and less likely to receive low-molecular-weight heparin at the low-risk dose (24.7% vs 18.5%; P = .006), which was not recommended by our guideline. CONCLUSIONS: A multifaceted intervention addressing venous thromboembolism prophylaxis in post-acute care patients can be followed by a significant decrease in the rate of any DVT in elderly patients. More active interventions are needed to enforce compliance with evidence-based guidelines.

Aged↗

PubMed2004

The management of thromboembolic disease in patients with central nervous system malignancies.

Venous thromboembolic disease (VTE) is a common complication of malignancies affecting the central nervous system (CNS), both in the perioperative period and throughout the disease course. Until recently, the perceived risk of intracranial hemorrhage in patients with CNS malignancies was felt to be a relative contraindication to systemic anticoagulation, and most patients were managed with nonpharmacologic methods in both the prophylactic and treatment setting. However, several studies of the safety and efficacy of anticoagulation in both neurosurgical and cancer patients have challenged the previous dogma, and routine use of unfractionated heparin or low molecular weight heparin (LMWH) for VTE prophylaxis in patients undergoing craniotomy for CNS malignancy is recommended. Likewise, treatment of established VTE in this population with heparins is recommended, at least initially, followed by long-term treatment either with heparin or oral warfarin. Complications of inferior vena cava (IVC) filters, used as an alternative to systemic anticoagulation, appear to be more common in brain tumor patients with VTE, lending further support to treatment with systemic anticoagulation when possible. We advocate a multimodality approach utilizing compression stockings, intermittent compression devices, and heparin in the perioperative setting as the best proven method to reduce the risk of VTE. In the absence of a strict contraindication to systemic anticoagulation, such as previous intracranial hemorrhage or profound thrombocytopenia, LMWH is recommended in brain tumor patients with newly diagnosed VTE, followed by long-term warfarin or LMWH.

Anticoagulants↗

PubMed1995

Prevention of venous thrombosis after coronary artery bypass surgery (a randomized trial comparing two mechanical prophylaxis strategies).

Although venous thrombosis may occur often after coronary artery bypass grafting, prophylaxis with low-dose heparin is rarely used due to the risk of bleeding. Therefore, we compared the efficacy of 2 mechanical regimens of prophylaxis against deep vein thrombosis (DVT). Consecutive patients undergoing coronary artery bypass without concomitant valve surgery or coronary endarterectomy were randomized to either a more intensive regimen of intermittent pneumatic compression (IPC) plus graduated compression stockings (GCS) versus standard compression stockings alone. Of 611 patients screened, 184 were excluded due to peripheral vascular disease, postoperative intraaortic balloon support, or immediate postoperative anticoagulation. An additional 83 patients refused consent, leaving 172 in each prophylaxis group. The primary study end point was DVT diagnosed by a predischarge leg ultrasound examination performed on postoperative days 4 to 6. Of 344 patients enrolled, 330 (96%) underwent predischarge ultrasonography. DVT was detected in 19% of patients assigned to IPC plus stockings versus 22% assigned to GCS alone (95% confidence interval for the difference, -11% to 6%, p = 0.62). The addition of IPC did not add significant incremental benefit to GCS alone for DVT prophylaxis among patients undergoing coronary artery bypass surgery.

Aged↗

PubMed2003

DVT prophylaxis and anticoagulation in the surgical patient.

One of the most common postoperative complications is venous thromboembolism, a term encompassing deep vein thrombosis and pulmonary embolism. This article reviews the epidemiology, natural history, difficulties in diagnosis, and strategies for the prevention of postoperative venous thromboembolism. We thoroughly review the currently available methods for thromboprophylaxis including: early ambulation, elastic compression stockings, pneumatic compression devices, inferior vena cava filters, and a variety of pharmacologic agents such as unfractionated heparin, warfarin, aspirin, low molecular weight heparin, and pentasaccharides. Finally, we review the perioperative management of patients on long-term oral anticoagulation.

Anticoagulants↗

PubMed2006

[Prevention of deep vein thrombosis in total knee replacement--current status of therapy in orthopedie and trauma departments in Germany].

INTRODUCTION: Symptomatic deep vein thrombosis is a serious complication after total knee arthroplasty, with a risk of about 4-5% despite prevention with herparin. Aim of the current study was to find out about the actual status of thrombosis prophylaxis in Germany after total knee replacement. MATERIAL AND METHODS: In a countrywide survey 470 German trauma and orthopaedic surgery departments were asked about their prophylactic procedures addressing deep vein thrombosis after total knee replacement. RESULTS: 98% perform prevention of thrombosis with low-molecular-weight heparin, 2% use unfractioned heparin. Low-molecular-weight heparin is applicated in standard doses in 48% and in 44% according to patient's weight. In 82% the prophylaxis is begun the night before surgery. The therapy is carried out for 4.7 weeks in mean. 96% use graduated compressions stocking as additional therapeutic option. CONCLUSION: Our survey shows that most of the surgeons perform prevention of deep vein thrombosis according to the official guidelines.

Arthroplasty, Replacement, Hip↗