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PubMed1983

The use of graduated compression stockings in the prevention of postoperative deep vein thrombosis.

The efficacy of graduated compression stockings in the prevention of postoperative deep vein thrombosis was studied in a randomized, prospective, controlled trial of 200 patients, aged 40 years and over, undergoing abdominal surgery (100 for benign disease, 100 for malignant conditions). Deep vein thrombosis was diagnosed by the 125I-fibrinogen test. The incidence of deep vein thrombosis was 35.9 per cent in the control group (103 patients) and 15.5 per cent in the stockinged group (97 patients) (P less than 0.025). In the patients with benign disease, deep vein thrombosis developed in 24.5 per cent of the control limbs and 6.1 per cent of stockinged limbs (P less than 0.005); in patients with malignant disease the similar figures were 27.9 and 11.5 per cent (P less than 0.05). Increasing age did not alter the efficacy of the stockings. It is concluded that graduated compression stockings provide a safe and effective method of prophylaxis against deep vein thrombosis.

Abdomen↗
PubMed2000

Graduated elastic compression stockings on a stroke unit: a feasibility study.

BACKGROUND: thrombo-embolic complications are important causes of morbidity and mortality after acute stroke. Anticoagulant prophylaxis is contraindicated in intracerebral haemorrhage and not recommended in acute ischaemic stroke because of increased risk of cerebral haemorrhage. Graduated elastic compression stockings are a simple alternative but are not widely used in stroke patients, perhaps because of perceived contraindications and problems with tolerability. OBJECTIVES: to establish the feasibility and tolerability of graduated compression stockings on a stroke unit. DESIGN: we assessed 112 consecutive stroke patients for contraindications to and tolerability of graduated compression stockings. MEASUREMENTS: we used clinical indices and ankle-brachial Doppler pressure measures to assess suitability. We prospectively assessed tolerability of the stockings. RESULTS: Ninety-four (84%) of the 112 patients had no contraindications to the use of the stockings. The most common contraindication was an ankle-brachial index of <0.8. Other contraindications were marked dependent leg oedema (1/18) and severe venous ulceration. Eighty-nine (95%) of the 94 patients tolerated the stockings and wore them until discharge. Skin irritation was the most common reason for intolerance. CONCLUSIONS: contraindications to the use of graduated compression stockings can be defined using clinical criteria and a Doppler machine to calculate an ankle-brachial pressure index. If this is done, tolerability is excellent. This approach may be a useful alternative in preventing venous thrombo-embolism in stroke patients.

Adult↗
PubMed1993

Graduated compression stockings in the prevention of deep vein thrombosis in patients with acute myocardial infarction.

Venous volume (venous capacity) of the calf is low in patients with acute myocardial infarction, who also have a high risk of deep vein thrombosis (DVT). The effect of graduated compression stockings on the venous volume and on the incidence of DVT was therefore studied in 80 patients aged 70 years and above with acute myocardial infarction. Graduated compression stockings were randomly fitted to one leg, the other serving as a control, after which the venous volume was measured by strain gauge plethysmography. The incidence of DVT was measured by the 125I fibrinogen uptake test. Venous volume was significantly higher in legs treated with graduated compression stockings compared to control legs. DVT developed in eight control legs but not in any leg treated with graduated compression stockings (P = 0.003). DVT was also significantly more frequent in women compared to men and the majority of DVT developed in legs with very low venous volume values.

Aged↗
PubMed2004

Efficacy and tolerability of an ulcer compression stocking for therapy of chronic venous ulcer compared with a below-knee compression bandage: results from a prospective, randomized, multicentre trial.

OBJECTIVE: To investigate the possibility of improving healing rates in ulcus cruris venosum by using an ulcer compression stocking (U-Stocking) (Venotrain ulcertec) as compared to compression bandages. RESEARCH DESIGN AND SETTING: Prospective, multicentre, open-labelled, randomized, active-controlled study with blinded assessment of the primary endpoint. Sixteen phlebology outpatient clinics in Germany or the Netherlands or German medical practices specialized in phlebology. PATIENTS AND METHODS: 134 patients with venous leg ulcers entered the study. Among others, patients with infected ulcer or obesity were excluded. 121 patients were eligible for primary efficacy analyses. U-Stocking or bandages applied for at least eight hours per day and for up to 12 weeks. The primary endpoint was the healing rate after 12 weeks as assessed by planimetric measures. The secondary outcome variables were time to healing, changes in ulcer size (planimetry), experience of use and patient compliance. MAIN OUTCOME MEASURES: Therapy with the U-Stocking produced a significantly higher rate of complete healing of 47.5% (29/61) versus 31.7% (19/60) with bandages, 1-sided p = 0.0129 [CI: 95% for differences: 4.3% to 28.5%]. Mean time to healing was 46 days in both groups. Time required for application of the U-Stocking was a mean of 5.4 min (SD 5.4) versus 8.5 min (SD 6.5) for bandages, p = 0.0001. Around three patients in each treatment group were affected by serious adverse events. All treatment-related adverse events are known for compression therapy. CONCLUSIONS: The U-Stocking was superior to bandages in compression therapy for venous ulcer. This is of significance to new treatment standards as well as to future studies of longer term therapy (> 12 weeks) for unhealed ulcers or prevention of recurrence.

Aged↗
PubMed1998

In vivo pressure profiles of thigh-length graduated compression stockings.

BACKGROUND: The aim of the study was to assess whether the appropriate pressure profile is generated by thigh-length graduated compression stockings in human subjects. The effect of leg posture on the pressure profile was assessed in three commonly used brands of graduated compression stockings. METHODS: The study involved 17 human volunteers from the Department of Orthopaedic Surgery. Three different brands of stockings commonly recommended for the prevention of deep vein thrombosis were applied to each individual and the interface pressure profile under the stocking was measured. The effect of posture was assessed by comparing the interface pressure profile with the subject supine and in standing and sitting positions. RESULTS: Appropriate median pressure profiles were achieved only with the subject standing or supine. In the sitting position with the knee flexed, a high median interface pressure in excess of 28 mmHg was generated at the popliteal fossa. Overall, inconsistent performance was found in all three brands of stockings; fewer than 30 per cent of the pressure readings fell within 20 per cent of the 'ideal'. Reversed pressure profile was observed in over 70 per cent of subjects. CONCLUSION: Thigh-length graduated compression stockings may be most effective in bedridden patients. Knee-length stockings may be more suitable for the prevention of deep vein thrombosis in ambulant patients.

Bandages↗
PubMed2002

Venous impulse foot pumps: should graduated compression stockings be used?

It is not known whether the effect of Foot Pumps (Novamedix, Andover, UK) is enhanced by simultaneous use of graduated compression stockings (by controlling calf compliance) or hindered (by restricting preload). To address this question, we studied 20 healthy volunteers with duplex ultrasound. The peak velocity in the popliteal vein was measured at rest with the legs flat, foot-up, and foot-down, then it was measured when the AV Impulse Foot Pump was activated. These measurements each were performed with and without graduated compression stockings. In each leg position, the use of simultaneous graduated compression stockings reduced the peak velocity. On physiologic grounds, graduated stockings should not be used simultaneously with Foot Pumps.

Adult↗
PubMed2000

Elastic compression stockings for prevention of deep vein thrombosis.

BACKGROUND: One of the settings in which deep vein thrombosis (DVT) in the lower limb and pelvic veins occurs is prolonged immobilisation in hospital for various surgical and medical illnesses. Use of graduated compression stockings (GCS) in these patients has been proposed to decrease the risk of DVT. OBJECTIVES: The objective of this review was to determine the magnitude of effectiveness of GCS in preventing DVT in various groups of hospitalised patients. SEARCH STRATEGY: The reviewers searched the Cochrane Peripheral Vascular Disease Group trials register, MEDLINE, and EMBASE and hand searched Indexes Medicus. Various GCS manufacturing companies and the trialists in the ongoing trials were contacted. SELECTION CRITERIA: Randomised controlled trials (RCT's) involving:. Graduated compression stockings alone. Graduated compression stockings used on a background of any other DVT prophylactic method. DATA COLLECTION AND ANALYSIS: One reviewer extracted the data, assessed the quality of trials and analysed the results (SVA) this was cross-checked and authenticated by the other reviewer (TAL). MAIN RESULTS: A total of 16 RCTs were identified. GCS were applied on the day before surgery or on the day of surgery. GCS were worn up until discharge or until the patients were fully mobile. In the majority of the included studies, DVT was identified by radioactive I 125 uptake test. GCS alone. Nine RCTs were identified in this group. In the treatment group (GCS) of 624 patients, 81 developed DVT (13%) in comparison to the control group of 581 patients, where 154 (27%) had DVT, Peto's odds ratio 0.34 (95% confidence interval 0.25, 0.46) favouring treatment with GCS. GCS on a background of another prophylactic method. Seven RCTs were identified this group. In the treatment group (GCS + another method) of 501 patients, 10 (2%) developed DVT whereas in the control group of 505 patients, 74 (15%) developed DVT, Peto's odds ratio 0.24 (95% confidence interval 0.15, 0.37). REVIEWER'S CONCLUSIONS: Analysis of these RCT's confirm that GCS are effective in diminishing the risk of DVT in hospitalised patients. Data examination also suggests, that GCS on a background of another method of prophylaxis is even more effective than GCS alone.

Bandages↗
PubMed2007

Effect of silver-threads-containing compression stockings on the cutaneous microcirculation: a double-blind, randomized cross-over study.

Recently silver fiber-containing compression stockings for the use in patients with chronic venous insufficiency (CVI) were introduced to the market. In order to gain some first insight into the effects of these new fabrics on the cutaneous microcirculation, a double-blind, randomized cross-over trial was performed in 10 healthy volunteers. A 3 days run-in phase preceded the (2 x10 days) treatment phases and was used to assess the reproducibility of the primary endpoint, which was the transcutaneous partial oxygen pressure (tcpO(2)) measured at a probe temperature of 44 degrees C in the perimalleolar region of the reference leg in supine and dependent leg positions. Coefficients of variation for double measured tcpO(2) values were 4.2% (3.1 SD) and 5.8% (6.0 SD) for the leg in supine and dependent position. The intra-individual comparison of the effects from both treatment phases (value end of treatment - start of treatment) resulted in a negative tcpO(2) net balance for the regular hosiery (-0.93 (2.7 SD) mmHg, supine; -1.1 (3.5 SD) mmHg, dependent) but a positive net balance for the silver fibers containing stockings (0.25 (4.0 SD) mmHg, supine; 1.7 (3.9 SD) mmHg, dependent). The inter-treatment differences were statistically significant for the leg in a dependent position. The trial provides first evidence that interweaving silver threads into regular compression stockings may result in a positive effect regarding the nutritive skin perfusion.

Adult↗
PubMed2006

[From the Cochrane Library: wearing compression stockings during long-distance flights reduces the risk of asymptomatic deep-vein thrombosis].

A recent Cochrane systematic review assessed the effects of wearing compression stockings during long-distance flights on the risk of deep-vein thrombosis (DVT). Ten randomised trials were included, 9 of which compared wearing compression stockings on both legs during the whole flight (at least 7 hours) with not wearing compression stockings. In these 9 trials, 50 of 2637 participants with 1 week of follow-up had asymptomatic DVT; 3 had worn stockings, 47 had not (odds ratio: 0.10; 95% CI: 0.04-0.25). No deaths, pulmonary emboli or symptomatic DVTs were reported. Wearing stockings had a significant impact in reducing oedema of the lower legs. No significant adverse effects of wearing stockings were reported.

Aerospace Medicine↗
PubMed1987

[Effects of compression stockings on blood circulation in late pregnancy].

The effect of Class II compression stockings on maternal and fetal circulation was studied in left lateral position and standing in 21 patients with uterovascular syndrome in late pregnancy. The effect of different compression pressures was analyzed in further seven women also suffering from uterovascular syndrome in late pregnancy. It was shown that the use of compression stockings causes a measurable improvement in maternal and fetal circulation. The most favourable compression pressure for the maternal circulation parameters measured is 40 mm Hg.

Adaptation, Physiological↗
PubMed2006

Knee versus thigh length graduated compression stockings for prevention of deep venous thrombosis: a systematic review.

OBJECTIVE: Graduated compression stockings are a valuable means of thrombo-prophylaxis but it is unclear whether knee-length (KL) or thigh length (TL) stockings are more effective. The aim of this review was to systematically analyse randomised controlled trials that have evaluated stocking length and efficacy of thromboprophylaxis. METHOD: A systematic review of the literature was undertaken. Clinical trials on hospitalised populations and passengers on long haul flights were selected according to specific criteria and analysed to generate summated data. RESULTS: 14 randomized control trials were analysed. Thirty six of 1568 (2.3%) participants randomised to KL stockings developed a deep venous thrombosis, compared with 79 of 1696 (5%) in the TL control/thigh length group. Substantial heterogeneity was observed amongst trials. KL stockings had a significant effect to reduce the incidence of DVT in long haul flight passengers, odds ration 0.08 (95%CI 0.03-0.22). In hospitalised patients KL stockings did not appear to be far worse than TL stockings, odds ratio 1.01 (95%CI 0.35-2.90). For combined passengers and patients, there was a benefit in favour of KL stockings, weighted odds ratio 0.45 (95% CI 0.30-0.68). CONCLUSION: KL graduated stockings can be as effective as TL stockings for the prevention of DVT, whilst offering advantages in terms of patient compliance and cost.

Aircraft↗
PubMedDate not supplied

A physiological study of elastic compression stockings in venous disorders of the leg.

The physiological effects of elastic compression stockings on venous disorders of the leg have been studied in three groups of 10 patients. These patients were divided by examination and ascending venography into those with (a) a normal venous system in the leg, (b) superficial varicose veins and (c) a post-phlebitic limb. In a randomised cross-over trial each group wore Eesiness NHS two-way stretch or Sigvaris medium compression below-knee stockings for three weeks. In the post-phlebitic limb group a further comparison was made with Sigvaris strong compression below-knee stockings after a 6-week rest period. The effects were objectively compared using foot volumetry and sodium (24Na) subcutaneous tissue clearance. The physiological benefits of Sigvaris medium and strong compression stockings were comprehensively demonstrated by both methods of assessment in patients with the post-phlebitic limb. Benefit from Sigvaris medium compression stockings was also demonstrated in the patients with varicose veins. In the group with normal veins there were negligible.

Blood Flow Velocity↗
PubMed1992

Compression stockings and venous function in patients with acute myocardial infarction.

Venous volume and venous outflow of the calf were studied in 49 patients with acute myocardial infarction. Graded compression stockings were randomly applied to one leg, the other serving as a control, and the above parameters were studied with strain gauge plethysmography during six days. Venous volume increased in the control legs during the first three days and it was significantly higher in the legs with stockings compared to the control legs throughout the study period. Venous outflow did not change during the study period or with the application of compression stockings. A restricted venous function in the calf may contribute to the initiation of deep vein thrombosis. Graded compression stockings improve the venous function in the leg and may thus reduce the incidence of deep vein thrombosis in patients with acute myocardial infarction. This remains, however, to be proved in a controlled clinical trial.

Adult↗
PubMed2002

Graduated compression stockings: updating practice, improving compliance.

Graduated compression stockings (GCS) have long been used to prevent deep venous thrombosis in hospitalized patients. The validation of published research findings regarding the use of GCS, and the implementation of practice changes pertinent to medical-surgical nursing are examined.

Attitude of Health Personnel↗
PubMed1994

[Compression stockings in treatment of lower leg venous ulcer].

AIM: of the study was to evaluate the efficiency of medical compression stockings, which do not require special application techniques, compared with short stretch bandages for treating leg-ulcers. STUDY-DESIGN AND PATIENTS: Prospective trial on a total of 50 out-patients with leg-ulcers randomly allocated into two therapy-groups: 25 patients got firm compression bandages using short stretch material (Rosidal K), 25 patients were treated by medical compression stockings (Thrombo+Sigvaris 503). Due to the statistically significantly lower mean age and longer duration of the ulcers in the Sigvaris-group only restricted comparison of the treatment groups is possible. Local dressings in both groups consisted of a nonadherent, absorbing material (Vliwin) with an individually modelled rubber foam pad on top. The end-point was complete ulcer-healing, in a period of 3 months. METHODS: The following parameters were measured: area of ulceration, compression-pressure, tcPO2 and Laser-Doppler-Fluxmetry at the ulcer border before and after 3 minutes of arterial occlusion, venous volume and venous filling index by air plethysmography (APG) with and without compression. RESULTS: After 3 months 21 cases (84%) were healed in the Sigvaris-group and 13 (52)% in the Rosidal-group. This significant difference may be partly explained by the more favorable starting condition of the stocking-patients. However, one major advantage of stockings over short stretch bandages is the maintenance of an adequate pressure if they are not renewed for several days. CONCLUSION: Therapy of venous ulcers by medical compression stockings may be an effective approach for fit and cooperative patients.

Adult↗
PubMed2005

Graduated compression stockings as prophylaxis for flight-related venous thrombosis: systematic literature review.

AIM: This paper reports a systematic review whose objective was to evaluate the effectiveness of graduated compression stockings as prophylaxis for flight-related venous thrombosis, including deep vein thrombosis and superficial venous thrombosis, after air travel in the general population. BACKGROUND: Despite the extended history of the use of graduated compression stockings, their application to prevent flight-related thrombosis was not explored until flight-related thrombosis was perceived as a preventable illness. Even now, their effectiveness in preventing flight-related thrombosis remains unresolved. METHODS: Generic terms including stocking/s, sock/s, or hosiery/hosieries were used to search a variety of electronic databases. Based on the selection criteria, decisions regarding inclusion and exclusion of primary studies were made. Using a meta-analysis software program, relative risk for the incidence of deep vein thrombosis, superficial venous thrombosis, and intention-to-treat analysis was calculated. RESULTS: A total of nine randomized controlled trials were included. In the treatment group, two of 1237 participants developed deep vein thrombosis in comparison with 46 of 1245 in the control group. The weighted relative risk for deep vein thrombosis was 0.08, with fixed 95% confidence interval 0.03-0.23. In the treatment group, four of 826 participants developed superficial venous thrombosis in comparison with seven of 823 in the control group. The weighted relative risk for superficial venous thrombosis was 0.67. with fixed 95% confidence interval 0.24-1.87 (non-significant difference). Using intention-to-treat analysis, the risk for participants in the treatment group was 0.53 times as great as that for those in the control group. CONCLUSIONS: This review demonstrates the effectiveness of medium compression pressure, below-knee graduated compression stockings in preventing flight-related deep vein thrombosis but not superficial venous thrombosis in low-medium- or high-risk participants.

Aerospace Medicine↗