In short. The staged reconstruction of burn scars: contracture release, grafts and flaps, tissue expansion, and the honest timeline of months to years of staged care.

Key points

  • Contracture release with Z-plasty or local flaps suits linear bands with good skin alongside.
  • Larger tight areas are released and then resurfaced: skin grafts cover big areas quickly but can contract again and match poorly; full-thickness grafts and regional flaps give better quality where skin is available; tissue expansion grows new adjacent skin with the best colour and texture match but takes months and two operations.
  • Free flaps are reserved for the most severe deficits.

Burn reconstruction is not one operation but a programme. Deep burns heal with thick, tight scar that can contract across joints, pull eyelids or lips out of position, restrict the neck, and in children tether growth. Reconstruction aims to release what is tight, resurface what is poor quality, and restore function first and appearance second — usually in stages spread over years.

The problem being solved

Burn scar differs from ordinary scar in area and behaviour. Sheets of hypertrophic scar replace pliable skin; contractures develop where scar crosses flexion surfaces like the neck, axilla, elbow, and fingers; and the surrounding normal skin may be scarce, which is exactly what reconstruction needs most. The plan therefore starts with inventory: what functions are limited, what healthy skin is available, and what matters most to the patient.

Who it suits — and when

Surgery is considered when scar has matured enough to operate safely — usually at least a year after the burn — or earlier when a contracture threatens function, vision, or growth. Children with contractures across joints often cannot wait, because tethered scar distorts developing structures. Active phase management with pressure garments, silicone, splinting, and therapy continues before, between, and after operations.

The options compared

Release first, resurface second

Contracture release with Z-plasty or local flaps suits linear bands with good skin alongside. Larger tight areas are released and then resurfaced: skin grafts cover big areas quickly but can contract again and match poorly; full-thickness grafts and regional flaps give better quality where skin is available; tissue expansion grows new adjacent skin with the best colour and texture match but takes months and two operations. Free flaps are reserved for the most severe deficits. The mix is chosen area by area, function first.

What reconstruction can and cannot achieve

It can release contractures and restore range of motion, replace the worst scar with better skin, and improve contour and symmetry. It cannot restore normal unscarred skin over large areas, fully normal sensation, or perfect colour match. Expect meaningful functional gains and worthwhile aesthetic improvement, not erasure of the burn.

Recovery and rehabilitation

Each operation is followed by splinting and therapy to hold the released position while healing occurs; skipping rehabilitation is how contractures recur after technically good surgery. Pressure garments and silicone continue for a year or more. Swelling, redness, and stiffness settle over months, and final judgement of any stage waits until scar matures.

Complications and the long view

Graft loss, infection, recurrent contracture, and donor-site scarring are recognized risks. Plans are sequenced so that each stage builds on the last, and the overall arc — often several operations over two to five years — is discussed honestly at the outset so families can plan around school, work, and travel.

Arrange a reconstructive review if

  • Scar is limiting joint movement, pulling an eyelid or lip, or tightening across the neck or hand.
  • A burn scar in a child seems to be tethering growth or distorting a developing area.
  • A burn wound or scar repeatedly breaks down, ulcerates, or develops a non-healing area — chronic burn ulcers occasionally degenerate and must be biopsied.

Related reading

Frequently asked questions

When can burn scar reconstruction be performed?

Usually once the scar has matured, often at least a year after the burn. It is brought forward when a contracture threatens function, vision, or growth, and children with scars tethering a joint are the clearest example of that exception.

Why does therapy continue between burn operations?

Rehabilitation is what holds the position surgery has released. Splinting, pressure garments, silicone, and therapy run before, between, and after operations for a year or more, and skipping them is the usual reason a contracture returns after technically good surgery.

How many operations does burn reconstruction usually take?

There is no fixed number. The arc is often several operations spaced over two to five years, sequenced so each stage builds on the last: releasing tight bands first, resurfacing second, and refining contour later, area by area, function before appearance.

Risks & Limitations

  • Reconstruction is usually staged — more than one operation is normal, and the plan may change as healing progresses.
  • Donor-site scarring and discomfort, including after rib cartilage harvest.
  • Partial or complete failure of a flap or graft, which may require further surgery.
  • Scars are permanent. They mature and fade but never disappear.
  • Asymmetry and the inherent limits of matching a normal side.
  • Altered sensation, numbness or weakness in the operated area.
  • Contracture, which may need release procedures later.
  • Final assessment is made at 6–12 months, and longer in growing children.

When to Seek Care

  • A flap or graft that turns dark, cold, black or stops bleeding when pricked.
  • Fever above 38 °C, or spreading redness, warmth or discharge around a wound.
  • New or worsening pain, swelling or fluid leakage from the operative site.
  • Bleeding that does not stop with gentle pressure.
  • Any change in a reconstructed area that concerns you, however minor.

References & Further Reading

  • American Society of Plastic Surgeons (ASPS) — reconstructive surgery guidance
  • World Health Organization (WHO) — burn and trauma care resources
  • Chinese Medical Association, Plastic Surgery Branch — clinical guidance
  • Cochrane Library — systematic reviews in wound and reconstructive care

Medically reviewed by Shaoliang Wang, MD (王韶亮), Center Director, Plastic Surgery & Aesthetics Medical Center. Last reviewed: 18 September 2026.

This page is patient education, not medical advice, and it does not cite individual studies. Discuss your own case with a qualified clinician. To arrange an assessment at Chongqing West District Hospital, see Contact & Consultation.