POST (Prospective Observational Superfial Thrombophlebitis)

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

844 participants

Study Classification

OBSERVATIONAL

Study Start Date

2005-03-31

Study Completion Date

2007-01-31

Brief Summary

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We performed a national cross-sectional and prospective large epidemiological cohort study in patients with ST. Office- and hospital-based vascular medicine French practitioners enrolled all consecutive patients with a symptomatic ST of the lower limbs at least 5 cm long documented by compression ultrasonography. Follow-up was three months. All events were adjudicated by a central committee.

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Detailed Description

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Between March 2005 and October 2006, 844 patients (median age \[range\]: 65 \[18-98\] years; 547 women) were included. At inclusion, confirmed deep-vein thrombosis and/or symptomatic pulmonary embolism was associated with ST in 24.9% (n=210) of patients. Among the 600 patients with isolated ST (i.e. without deep-vein thrombosis or pulmonary embolism at inclusion), 10.4% (n=56) developed venous thromboembolic complications at three months, including the following symptomatic events: pulmonary embolism (0.4%, n=2), deep-vein thrombosis (2.8%, n=15), extension of ST (3.1%, n=17) and recurrence of ST (1.9%, n=10). These complications occurred despite the use of various anticoagulant strategies in 90.5% (n=540) of patients; four independent risk factors increased the risk of these complications: male sex, cardiac or respiratory insufficiency, history of deep-vein thrombosis or pulmonary embolism and no history of varicose veins.

Conditions

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Thrombophlebitis

Study Design

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Observational Model Type

COHORT

Study Time Perspective

CROSS_SECTIONAL

Study Groups

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1

Patients eligible for enrolment were all consecutive patients aged 18 years or over, with a symptomatic ST of the lower limbs at least 5 cm long on compression ultrasonography. Patients who had undergone surgery under general or loco-regional anaesthesia in the previous 10 days, those in whom ST had occurred after sclerotherapy within the previous 30 days and those whose follow-up was not considered to be feasible were ineligible.

compression ultrasonography at 3 months

Intervention Type PROCEDURE

A three-month follow-up prospective study was performed in the subgroup of patients with symptomatic ST but without deep-vein thrombosis on compression ultrasonography or documented symptomatic pulmonary embolism at inclusion, a group defined as patients with 'isolated ST'.

2

Patients eligible for enrolment were all consecutive patients aged 18 years or over, with a symptomatic ST of the lower limbs at least 5 cm long on compression ultrasonography. Patients who had undergone surgery under general or loco-regional anaesthesia in the previous 10 days, those in whom ST had occurred after sclerotherapy within the previous 30 days and those whose follow-up was not considered to be feasible were ineligible.

No interventions assigned to this group

Interventions

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compression ultrasonography at 3 months

A three-month follow-up prospective study was performed in the subgroup of patients with symptomatic ST but without deep-vein thrombosis on compression ultrasonography or documented symptomatic pulmonary embolism at inclusion, a group defined as patients with 'isolated ST'.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* all consecutive patients aged 18 years or over, with a symptomatic ST of the lower limbs at least 5 cm long on compression ultrasonography.

Exclusion Criteria

* patients who had undergone surgery under general or loco-regional anaesthesia in the previous 10 days, those in whom ST had occurred after sclerotherapy within the previous 30 days and those whose follow-up was not considered to be feasible were ineligible

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No