Subatmospheric pressure dressing as a bridge to free tissue transfer in the treatment of open tibia fractures
Division of Plastic Surgery, University of Kentucky, Lexington, Ky. 40536-0284, USA. Plastic and Reconstructive Surgery
(Impact Factor: 2.99).
05/2008; 121(5):1664-73. DOI: 10.1097/PRS.0b013e31816a8d9d
Free flap reconstruction performed shortly after injury is associated with reduced complications but is not always feasible. Subatmospheric pressure dressings have several beneficial effects on wounds. This study reviewed a large series of open tibia fractures to determine whether subatmospheric pressure dressings affected complication rates.
One hundred five patients underwent free muscle flap reconstruction for open tibia fractures between 1991 and 2005. Patients were divided into three groups: acute (flap performed 1 to 7 days after injury), subacute (8 to 42 days after injury), and chronic (>42 days after injury). Five outcome measures were used: infectious complications, flap-related complications, surgical procedures, hospital stay, and time to bony union. The subacute group was divided into patients who underwent subatmospheric pressure dressing therapy and those who did not.
The complication rate in the subacute group (n = 55) was 47 percent, compared with 39 percent in the chronic group (n = 18) and 31 percent in the acute group (n = 32). Time to union was significantly shorter in the acute group than in the other groups. Subacute patients who underwent subatmospheric dressing therapy had lower overall complication (35 percent), infectious complication (6 percent), and flap-related complication rates (12 percent) than those who did not (53, 18, and 21 percent, respectively). Time to union was significantly shorter with the dressings.
Subatmospheric pressure dressing therapy as a "bridge" to free flap reconstruction in patients with open tibia fractures was associated with reduced complication rates in the subacute group, suggesting that the dressings may effectively extend the acute period when early free tissue transfer is not possible.
Available from: Wasim S Khan
- "Rinket et al.  completed a retrospective review of 111 open tibia fractures treated with free flaps. They focused on the effect of NPWT in patients who had definitive flap reconstruction performed ‘sub acutely’ (between 8-42 days). "
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ABSTRACT: Negative pressure wound therapy is a popular treatment for the management of both acute and chronic wounds. Its use in trauma and orthopedics is diverse and includes the acute traumatic setting as well as chronic troublesome wounds associated with pressure sores and diabetic foot surgery. Efforts have been made to provide an evidence base to guide its use however this has been limited by a lack of good quality evidence. The following review article explores the available evidence and describes future developments for its use in trauma and orthopaedic practice.
Available from: PubMed Central
- "Vacuum-assisted closure was used for 2 weeks before coverage of the wound with a latissimus dorsi myocutaneous free flap was performed. Even though flap coverage during the first week of treatment has shown decreased complication rates such as flap failure and infection, Rinker et al.  showed that using a subatmospheric dressing could bring down the complication rates of flap coverage within 6 weeks similarly to that performed in the acute stage. Following this procedure allowed us more time to observe the wound for any further necroses that would have necessitated debridement. "
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ABSTRACT: We present a case of a near total amputation at the distal tibial level, in which the patient emphatically wanted to save the leg. The anterior and posterior tibial nerves were intact, indicating a high possibility of sensory recovery after revascularization. The patient had open fractures at the tibia and fibula, but no bone shortening was performed. The posterior tibial vessels were reconstructed with an interposition saphenous vein graft from the contralateral side and a usable anterior tibial artery graft from the undamaged ipsilateral distal portions. The skin and soft tissue defects were covered using a subatmospheric pressure system for demarcating the wound, and a latissimus dorsi myocutaneous free flap for definite coverage of the wound. At 6 months after surgery, the patient was ambulatory without requiring additional procedures. Replantation without bone shortening, with use of vessel grafts and temporary coverage of the wound with subatmospheric pressure dressings before definite coverage, can shorten recovery time.
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ABSTRACT: Over the last decade, the application of and indications for negative pressure wound therapy with reticulated open cell foam (NPWT/ROCF) as delivered by V.A.C.(R) Therapy (KCI, San Antonio, TX) have grown tremendously. This is particularly true in orthopaedic trauma in the management of injuries to the leg, ankle, and foot. This article reviews the evidence-based medicine in terms of NPWT/ROCF, as a method of reducing bacterial counts in wounds, as a bridge until definitive bony coverage, for treating infections, and as an adjunct to wound bed preparation and for bolstering split-thickness skin grafts, dermal replacement grafts, and over muscle flaps. NPWT/ROCF has been shown to be an adjunct to the mainstays of wound management. No significant complications have been noted in the categories of NPWT/ROCF discussed in this review. In addition, evidence supports a decrease in complex soft tissue procedures in grade IIIB open fractures when NPWT/ROCF is employed. Although more research needs to be done, NPWT/ROCF appears to provide clinical benefit for the treatment of these complex lower extremity wounds.
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