Aim of the study is to prove the utility and safety of the negative pressure wound therapy (NPWT) in the postoperative management of free flaps. The quantitative assessment of the entirety of clinical main relevant parameters like edema formation, microcirculation, macrocirculation and wound healing should create a better and comprehensive understanding of the NPWT effects in this field.
This study evaluates the impact of negative pressure wound therapy on free muscle flaps. Flaps were treated with NPWT or with a conventional dressing (control) for five days following tissue transfer. Edema formation is measured by a 3D scan (Artec SpiderTM) during the operation, five and fourteen days after surgery. The macrocirculation- and microcirculation parameters of the flaps are assessed using an implanted Doppler probe (Cook-Swartz®) as well as combined flowmetry and remission spectroscopy (O2C®). These measurements are conducted daily at the day of the operation as well as the first five days following the operation. Following dressing removal at the fifth postoperative day, skin graft take is assessed.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
26
Free muscle flaps are treated with Negative Pressure Wound Therapy (V.A.C. Ultra (KCI®,San Antonio, Texas, USA)) for five days following surgery with a continuous subatmospheric pressure of 125 mmHg.
Department of Plastic, Reconstructive, Hand and Burn Surgery, Bogenhausen Academic Hospital, Technische Universität München
Munich, Germany
Change of Flap Edema in the early postoperative period measured by a 3D Scan - Artec SpiderTM, Artec Group, Palo Alto, California, USA
Time frame: Measurements were conducted at the day of the operation, five and fourteen days following surgery
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