Minimally Invasive Isolated Limb Perfusion - Technical Details And Initial Outcome Of A New Treatment Method For Limb Malignancies
INTERNATIONAL JOURNAL OF HYPERTHERMIA(2019)
Abstract
Objective: Isolated limb perfusion (ILP) and isolated limb infusion (ILI) are treatment options for patients with locally advanced melanomas and sarcomas of the extremities. ILP potentially have higher response rates, but requires open surgery for vascular access, whereas ILI is minimally invasive and easier to perform. We now present the technical details and outcome of a new approach to ILP by a minimally invasive vascular access (MI-ILP). Methods: Six patients, five with melanoma in-transit metastases and one with squamous cell carcinoma, were included in a phase I feasibility trial. Percutaneous vascular access of the extremity vessels was performed and the inserted catheters were then connected to a perfusion system. Results: All six treated patients underwent the procedure without the need for conversion to open surgery. The median operating time was 164 min and the median leakage rate was 0.1%. The complete response rate was 67%. Four patients (67%) had a Wieberdink grade II reaction and two patients (33%) had a grade III reaction. Conclusions: MI-ILP is feasible and gives the same treatment characteristics as open ILP, but with the advantage of a minimally invasive vascular access.
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Key words
Isolated limb perfusion, minimally invasive, ILP, MI-ILP, ILI
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