Open Arterial Reconstruction
Open Vascular Surgery
Specialist open vascular surgery for selected arterial disease, including lower-limb bypass and complex arterial reconstruction where an open approach offers the most appropriate treatment.
Choosing the operation around the vascular problem
Modern vascular surgery combines open reconstruction with minimally invasive endovascular techniques. The appropriate approach depends on anatomy, symptoms, limb risk and individual clinical circumstances.
Understanding Open Vascular Surgery
Reconstructing blood flow around diseased arteries
Open vascular surgery remains an important part of modern treatment for arterial disease.
Although many vascular problems can now be treated using minimally invasive endovascular techniques, there are situations where an open operation may provide the more appropriate or durable reconstruction.
One of the principal examples is lower-limb bypass surgery, where blood is redirected around a severely narrowed or blocked artery to restore circulation further down the leg.
Open surgery may form part of treatment for
- Severe peripheral arterial disease
- Complex or long arterial blockages
- Chronic limb-threatening ischaemia
- Non-healing wounds caused by poor circulation
- Diabetic foot disease requiring revascularisation
- Disease unsuitable for endovascular treatment
- Failed previous endovascular intervention
- Selected aortic and other arterial disease
Open surgery still has an important role
Minimally invasive treatment is valuable, but it is not automatically the best choice for every arterial problem. Some patterns of disease are better treated with open reconstruction.
Why Choose Open Surgery?
Treatment should follow the anatomy — not a preferred technique
The decision between angioplasty, stenting and open surgery depends on the location and length of disease, the quality of arteries above and below the blockage, previous procedures, available conduit and overall health.
For some patients, particularly those with complex arterial disease, bypass surgery may offer the most appropriate route to restoring circulation.
Lower-Limb Bypass
Creating a new route for blood flow
A bypass operation creates an alternative pathway for blood to travel around a narrowed or blocked artery.
A graft is connected to an artery above the diseased segment and then to an artery beyond the blockage, allowing blood to reach the lower leg or foot through the new route.
A patient's own vein is often preferred for infra-inguinal bypass where it is suitable. In other situations a different graft material may be required.
Define the Disease
Imaging identifies where the artery is blocked and the quality of vessels above and below it.
Select the Conduit
Suitable vein is assessed where a vein bypass is being considered.
Bypass the Blockage
The graft carries blood around the diseased arterial segment to restore downstream circulation.
When Bypass May Be Considered
The decision depends on symptoms, anatomy and limb risk
Bypass surgery is not usually the first treatment for straightforward intermittent claudication.
Initial treatment commonly includes exercise therapy, smoking cessation where relevant, cardiovascular risk reduction and medication.
Open revascularisation becomes particularly important where arterial disease is severe, angioplasty is unsuitable or unsuccessful, or circulation is inadequate to support tissue healing and preserve the limb.
Factors considered before bypass
- Severity of symptoms
- Rest pain or tissue loss
- Threat to limb viability
- Length and location of arterial disease
- Suitability for angioplasty
- Previous vascular procedures
- Availability of suitable vein
- Overall health and operative risk
Treatment Strategy
Open surgery or endovascular treatment?
Both approaches are important. The aim is to choose the treatment best suited to the individual arterial problem.
Angioplasty & Stenting
Endovascular treatment works from inside the artery through a small access site. It may offer a less invasive route to restoring blood flow in suitable arterial lesions.
Bypass Surgery
Open bypass creates a new route around the diseased artery and may be preferred for selected complex, extensive or previously treated arterial disease.
Before Surgery
Detailed vascular assessment guides operative planning
Before bypass surgery is considered, the circulation must be assessed carefully to establish whether revascularisation is required and which reconstruction is technically appropriate.
Duplex ultrasound is commonly used as first-line imaging, with CT or MR angiography used where further anatomical detail is needed.
Assessment may also include mapping of the superficial veins if a patient's own vein is being considered as bypass conduit.
Assessment may include
- Clinical vascular examination
- Ankle or toe pressure assessment
- Duplex ultrasound
- CT or MR angiography
- Vein mapping
- Cardiorespiratory assessment
- Review of medication
- Assessment of operative risk
Bypass Planning
What can be used for a bypass?
The choice of graft depends on where the bypass is required and the individual anatomy.
Patient's Own Vein
A suitable superficial vein from the leg may be used as the bypass conduit, particularly for lower-limb bypass below the groin.
Alternative Vein
If the usual vein is unsuitable, another suitable vein may sometimes be considered depending on the reconstruction required.
Prosthetic Graft
A synthetic vascular graft may be used for selected bypass operations when this is appropriate for the artery and clinical situation.
After Surgery
Recovery after open vascular reconstruction
Recovery after bypass surgery is more substantial than after a minimally invasive endovascular procedure.
The circulation to the limb is monitored closely following surgery, together with the surgical wounds and general recovery.
Walking and rehabilitation are introduced according to the operation performed and the patient's overall condition. Ongoing cardiovascular risk management remains important after surgery.
Follow-up may include
- Surgical wound review
- Assessment of limb circulation
- Medication review
- Gradual return to mobility
- Cardiovascular risk-factor management
- Duplex surveillance where appropriate
- Wound or diabetic foot care where relevant
Treatment Considerations
Open surgery requires careful assessment of benefit and risk
The potential risks depend on the operation performed, the severity of vascular disease and individual health. These are discussed in detail before surgery.
Bleeding
Bleeding can occur during or after surgery and may occasionally require further treatment.
Wound Problems
Surgical wounds can occasionally develop infection, fluid collections or delayed healing.
Graft Occlusion
A bypass graft can occasionally become blocked, which may require urgent reassessment or further treatment.
Heart & Lung Complications
Major vascular surgery places stress on the cardiovascular system, so operative risk is assessed beforehand.
Limb Complications
Severe underlying arterial disease can continue to threaten the limb even after attempts at revascularisation.
Further Procedures
A graft or reconstructed artery may require surveillance and, in some cases, further treatment over time.
Open & Endovascular Expertise
Consultant-led arterial reconstruction
Mr Shanka Benaragama is a Consultant Vascular and Endovascular Surgeon at Royal Free London and University College London Hospitals.
His practice includes the full range of open and endovascular arterial intervention, with specialist expertise in peripheral arterial disease, complex lower-limb revascularisation and limb preservation.
Open vascular procedures include
- Lower-limb bypass surgery
- Complex lower-limb revascularisation
- Open aortic aneurysm surgery
- Carotid endarterectomy
- Limb-preservation procedures
- Treatment planning alongside endovascular options
Urgent Arterial Symptoms
Sudden loss of circulation to a limb is an emergency
Seek urgent hospital assessment if a leg or foot suddenly becomes severely painful, cold, pale, numb or weak, or if there is a sudden major deterioration in circulation. Do not wait for a routine private consultation if symptoms suggest acute limb ischaemia.
Frequently Asked Questions
Open vascular surgery questions
What is vascular bypass surgery?
Bypass surgery creates a new route for blood around a narrowed or blocked artery using a vein or other vascular graft.
When is bypass surgery used for peripheral arterial disease?
Bypass may be considered when symptoms are severe, circulation threatens the limb, or angioplasty is unsuitable or has not provided an adequate result.
Is bypass surgery better than angioplasty?
Not for every patient. The most suitable approach depends on arterial anatomy, symptoms, previous treatment, overall health and the expected benefits and risks of each option.
What is used to create a bypass?
A patient's own vein is often used where suitable, particularly for infra-inguinal bypass. Synthetic vascular grafts may also be used for selected reconstructions.
Can bypass help a diabetic foot wound?
If poor arterial blood supply is preventing a wound from healing, bypass surgery may be one option for restoring circulation as part of a multidisciplinary limb-preservation plan.
How is suitability for bypass assessed?
Assessment typically combines a vascular examination with imaging such as duplex ultrasound and, where required, CT or MR angiography. Vein mapping may also be performed.
Is open surgery still common now that angioplasty is available?
Yes. Endovascular treatment has reduced the need for some open operations, but bypass and other open reconstructions remain important for selected patterns of vascular disease.
Does bypass cure peripheral arterial disease?
No. A bypass treats a particular arterial blockage, but the underlying atherosclerotic disease remains. Medication, cardiovascular risk management and appropriate follow-up therefore remain important.
Open Vascular Surgery Consultation
Request a specialist vascular consultation
If you have peripheral arterial disease, reduced circulation to the leg or foot, or have been advised that bypass or another vascular operation may be required, please contact the practice for a specialist vascular opinion.
Email to Request a Consultation → benaragama.admin@lips.org.uk