Pelvic Embolisation to Reduce Recurrent Varicose Veins

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

UNKNOWN

Clinical Phase

NA

Total Enrollment

270 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-07-31

Study Completion Date

2018-12-31

Brief Summary

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The aim of this study is to identify whether the treatment of pelvic venous reflux (pelvic embolisation) in females with recurrent leg varicose veins, who have a proven contribution to their leg varicose veins from pelvic venous reflux, have a reduction in future recurrence after endovenous laser treatment for recurrent varicose veins in the legs.

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Detailed Description

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Varicose veins of the legs effect between 20 and 40% of the adult population in the UK. Approximately 100,000 operations performed per year for varicose veins, although it is unknown how many of these are for recurrent varicose veins. Failure to treat varicose veins results in 10 to 20% of patients deteriorating to skin damage or leg ulceration. Recurrence rates following surgery vary and have been reported up to 70% at 10 years. Recurrence causes an increased cost as well as an increase in the patient's healthcare requirements.

The commonest causes of recurrence are reported to be:

* neovascularisation (new vessel growth after treatment)
* missing veins at the initial operation
* perforator vein incompetence
* de novo reflux due to normal deterioration with age

Recent studies have shown that leg varicose veins can be caused by pelvic venous reflux and that pelvic venous reflux is a cause of recurrent varicose veins. Previous published work from our own unit has shown that approximately 20% of women who present with varicose veins of the legs and who have had children previously have pelvic venous reflux on duplex ultrasound. Such pelvic venous reflux contributes to the venous reflux in the legs, causing the varicose veins. Furthermore, a recent retrospective study from our own unit has suggested that failure to treat pelvic venous reflux before treating leg varicose veins is a major cause of recurrent varicose veins in up to a quarter of women.

However, despite this circumstantial evidence, there is no evidence to prove whether the treatment of pelvic venous reflux confers any advantage on these patients in terms of reduction in future recurrence of their varicose veins, following treatment.

The treatment of pelvic venous reflux is currently by coil embolisation of the veins under x-ray control. This procedure clearly has an additional cost over and above that of treating the leg varicose veins alone. Therefore it is essential to know whether the treatment of the pelvic veins in these patients has any effect in reducing future recurrence of leg varicose veins.

To examine the benefits of coil embolisation, female patients presenting with recurrent leg varicose veins with a duplex proven contribution from pelvic venous reflux will be randomised to:

1. transjugular coil embolisation of pelvic veins followed by endovenous treatment of leg recurrent varicose veins

or
2. endovenous treatment of leg recurrent varicose veins alone

The impact of demographic factors, the severity of patient's symptoms(Aberdeen questionnaire, CEAP and VCCS scores)and treatment history will be explored, in addition to the type of treatment received.

Patients will be followed up at six weeks, six months, one year, two years, three years, four years and five years.

Outcome measures will include quality-of-life scoring (CIVIQ), symptom severity measures (Aberdeen questionnaire, CEAP and VCCS scores), patient satisfaction with treatment and clinical examination including clinical photographs and duplex ultrasonography.

The source of any recurrence will be classified through the use of duplex ultrasonography.

Conditions

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Varicose Veins Venous Reflux Pelvic Congestion Syndrome

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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embolisation of pelvic veins & treatment of leg varicose veins

transjugular coil embolisation of pelvic veins followed by endovenous treatment of leg recurrent varicose veins

Group Type EXPERIMENTAL

Coil embolisation

Intervention Type PROCEDURE

transjugular coil embolisation of pelvic veins

endovenous treatment of leg recurrent varicose veins

Intervention Type PROCEDURE

endovenous treatment of leg recurrent varicose veins

endovenous treatment of leg recurrent varicose veins alone

Group Type ACTIVE_COMPARATOR

endovenous treatment of leg recurrent varicose veins

Intervention Type PROCEDURE

endovenous treatment of leg recurrent varicose veins

Interventions

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Coil embolisation

transjugular coil embolisation of pelvic veins

Intervention Type PROCEDURE

endovenous treatment of leg recurrent varicose veins

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Females presenting with recurrent varicose veins in one or both legs with ultrasound proven pelvic venous reflux in at least one pelvic venous trunk communicating with the leg varicose veins
* Duplex proven reflux in the superficial venous system of the leg
* Over 18 years old
* Able to understand and give consent
* Willing to attend for follow-up over the five years

Exclusion Criteria

* Pelvic venous reflux does not communicate with the varicose veins to be treated in the legs
* If pelvic venous reflux communicates and contributes to varicose veins in one leg but not the other, only the leg with a pelvic venous contribution will be entered into the study
* Currently pregnant or plans for pregnancy within the next five years
* Under 18 years of age
* Unable to understand all give consent
* Any vascular malformation of the pelvis all the legs apart from that diagnosed as venous reflux disease
* Any medical condition likely to cause death or serious ill-health within the next five years Any deep venous obstruction or reflux

Minimum Eligible Age

18 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No