Negative Pressure Wound Therapy (NPWT)

Historical Milestones

Angelica Wackenfors, MSc, and others, of Lund University Hospital, Lund, Sweden, publish the results of a study in pigs of vacuum assisted closure therapy (VAC). Laser Doppler was used to measure inguinal wound edge microvascular blood flow in different tissue types at pressures of -50 to -200mmHg. At -75mmHg, blood flow increased closer to the wound edge in muscular as compared to subcutaneous tissue (1.5 cm and 3 cm). Blood flow was decreased in the immediate proximity to the wound edge. At -100mgHg, the hypoperfused zone was increased, especially in subcutaneous tissue. With the cessation of therapy, blood flow increased multifold.

The authors concluded, "A low negative pressure during treatment may be beneficial, especially in soft tissue, to minimize possible ischemic effects. Intermittent therapy may further increase blood flow."

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NPWT
Overview
Historical Milestones
Recent Developments
Goals of NPWT
The Prospera PRO Series
 
Wound Healing 101
Overview
Phases of Wound Healing
Assesment/Classification
Wound Treatment
Optimizing the Host
Wound Closure
Ecomonic Considerations

 

 

 

 

 
           
 
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