What is Microsurgery?
Microsurgery is a highly specialized surgical discipline that relies on operating microscopes, precision instrumentation, and ultrafine sutures to manipulate and join anatomical structures, such as blood vessels and nerves, that are often less than a millimeter in diameter.
This technique allows plastic surgeons to transplant living tissue, including skin, fat, muscle, or bone, from one part of the body (the donor site) to another (the recipient site) to address significant tissue defects caused by trauma, cancer resection, or congenital variations. By meticulously reconnecting the blood supply, the transplanted tissue can survive and integrate into its new location.
What makes a suitable candidate for Microsurgery?
A suitable candidate for microsurgery is typically an individual who has experienced a significant loss of tissue or structural integrity that cannot be adequately addressed with standard skin grafts or local tissue flaps.
Patients requiring complex breast reconstruction following mastectomy, head and neck reconstruction after tumor removal, or salvage of traumatized limbs may be appropriate candidates. It is crucial that patients are in good general health, as conditions like uncontrolled diabetes, severe cardiovascular disease, or active smoking can compromise the delicate microvascular connections.
A comprehensive medical evaluation and consultation are required to assess whether a patient’s vascular anatomy and overall health can support a microsurgical intervention.
What are the Microsurgery options?
When considering microsurgical reconstruction, options generally revolve around the type of tissue required and the most appropriate donor site on the patient’s own body. Options may include fasciocutaneous flaps (incorporating skin and underlying fat), myocutaneous flaps (including muscle), or osteocutaneous flaps (incorporating bone).
Alternatively, if a patient is not a candidate for autologous (patient’s own tissue) microsurgery due to health or anatomical factors, non-microsurgical options might include the use of synthetic implants, regional pedicled flaps, or accepting a more limited reconstructive outcome, depending on the specific anatomical deficit.
Before & Afters
Disclaimer: All surgeries before & afters shown on this website are performed by Dr Mirkazemi and are published with consent by our patients. They are not guarantees that your results will be the same or similar as results will vary between individuals. The content on our page is general in nature and does not constitute medical advice. Any surgery or invasive procedure carries risks and has a recovery time. Before proceeding, please seek medical advice from an appropriately qualified medical practitioner. During your consultation, Dr Mirkazemi will carefully evaluate each individual and provide an honest and realistic assessment of what can be expected from the procedure.
Microsurgery surgical techniques
- Free Tissue Transfer (Free Flap): This technique involves the complete detachment of a section of tissue, along with its designated artery and vein, from a donor site (such as the abdomen, back, or thigh) and physically transferring it to a recipient site. The blood vessels are then microscopically reconnected to a local blood supply at the new location to re-establish circulation.
- Nerve Repair and Grafting: Surgeons utilize microsurgical techniques to carefully realign and suture the delicate outer sheath (epineurium) of a severed nerve. If a segment of the nerve is missing, a nerve graft (often taken from the lower leg) may be interposed to bridge the gap and facilitate nerve regeneration.
- Replantation: In cases of traumatic amputation of digits (fingers or toes) or limbs, microsurgery is employed to reattach the severed body part by systematically repairing the bone, tendons, blood vessels, and nerves to facilitate tissue survival and manage functional recovery.
- Lymphatic Microsurgery: This includes advanced techniques such as lymphovenous anastomosis (LVA), where tiny lymphatic vessels are connected to adjacent small veins to manage fluid build-up in patients experiencing lymphoedema.
Recovery after Microsurgery
Recovery after microsurgery is a prolonged and intensive process due to the complex nature of the operations and the presence of multiple surgical sites.
During week one, patients typically remain in the hospital for close monitoring of the transplanted tissue’s blood supply, experiencing swelling, discomfort, and restricted mobility.
By month one, the initial critical healing phase of the microvascular connections is usually complete, and patients may begin to gradually increase their activities, although fatigue and generalized swelling at both the donor and recipient sites will persist.
By month three, tissues continue to mature and soften; however, the complete resolution of swelling, the fading of scars, and the return of functional sensation or movement (especially following nerve repairs) can take twelve to eighteen months or longer.
How much does Microsurgery cost?
The cost of microsurgery is determined on a highly individualized case-by-case basis, reflecting the extensive duration, complexity, and specific requirements of the procedure. The total fee is influenced by the type of tissue transfer performed, the necessity for specialized equipment such as operating microscopes, and the anticipated length of the hospital stay.
A comprehensive quote typically encompasses the surgeon’s fee, the anaesthetist’s fee, prolonged hospital or intensive care facility costs, and any required post-operative monitoring or allied health therapy. A detailed financial estimate is provided only following a thorough clinical assessment.
Frequently Asked Questions for Microsurgery
Specific Risks and Complications For Microsurgery
Any surgical or invasive procedure carries risks. Before proceeding, you should seek a second opinion from an appropriately qualified health practitioner.
Microsurgery is a highly complex surgical field involving the use of operating microscopes and precision instruments to perform intricate procedures, such as free tissue transfer (flaps), nerve repair, and vascular anastomosis. Given the technical nature and typically prolonged duration of these operations, it is essential for patients to understand the specific clinical risks and potential complications involved.
The following list outlines possible complications. These risks are not exhaustive, and individual outcomes are influenced by the patient’s overall health, the complexity of the reconstruction, and the specific anatomical site involved.
Microsurgery-Specific Risks
- Vascular Thrombosis (Clotting): The most critical risk in microsurgery is the formation of a blood clot at the site where small blood vessels have been joined (anastomosis). If a clot obstructs blood flow, the transferred tissue (the flap) may be compromised.
- Total or Partial Flap Failure: If the blood supply to a transferred tissue flap is not maintained or cannot be restored, the tissue may die (necrosis). This may result in partial loss of the flap or, in some cases, total failure of the reconstruction, necessitating further surgical intervention.
- Nerve Repair Issues: In microsurgical nerve repairs, there is a risk that the nerve may not regrow as intended. This can result in persistent numbness, weakness, or the development of a painful neuroma (a tangle of nerve fibers).
- Donor Site Morbidity: Microsurgery often involves taking tissue from one part of the body (the donor site) to reconstruct another. Complications at the donor site can include scarring, weakness, changes in contour, or altered sensation.
Physical and Long-Term Considerations
- Permanent Scarring: Microsurgery requires incisions at both the donor and recipient sites. While techniques are used to manage the appearance of scars, they are permanent and their final appearance depends on individual healing factors.
- Persistent Edema (Swelling): Some patients may experience long-term swelling in the area of the microsurgical reconstruction as the lymphatic and vascular systems adapt.
- Unsatisfactory Anatomical Outcome: The final contour, volume, or appearance of the reconstructed area may not align with the patient’s anatomical goals, or may require secondary “debulking” or refining procedures.
- Need for Additional Procedures: It is common for microsurgical reconstructions to require secondary operations to address complications, refine the appearance, or address donor site issues.
General Surgical Risks
All surgical procedures, including plastic and cosmetic surgery, carry inherent risks and potential complications.
These may include infection, bleeding, fluid accumulation, delayed wound healing, scarring, nerve changes, anaesthetic risks, blood clots, and procedure-specific complications. Individual factors such as smoking, elevated BMI, underlying medical conditions, and certain medications can further influence your safety profile and recovery.
A thorough consultation and strict adherence to pre- and post-operative instructions are essential to minimise risks.
