Perfusion Clinical Trial
Official title:
Comparing Diluted to Standard Concentration Indocyanine Green Angiography: a Novel Approach to Free Flap Perfusion Evaluation in Reconstructive Microsurgery
The evaluation of perfusion in free flaps is crucial in clinical practice. Currently, the gold standard for evaluation is subjective through clinical assessment. However, indocyanine green angiography (ICGA), a tool that uses a near-infrared (NIR) camera to depict and monitor flap vascularization, offers an objective and reproducible alternative. The population in this study were divided into three equal groups, where each groups were assessed with Indocyanine Green (Aurogreen®, Aurolab, Tamil Nadu, India). The study was conducted with three distinct concentrations of ICGA: 5 mg/mL (100% standard concentration), 2.5 mg/mL (50%), and 0.5 mg/mL (10%). Indocyanine green was given in immediate postoperative manner, after the patient defect has been reconstructed with free flap.
Indocyanine green (ICG) angiography is a novel technique for assessing tissue perfusion. The primary outcome is gray values that being evaluated with IMAGE. Through this study optimal concentration that will show fluorescence in NIR camera can be seen. This is important in order to evaluate free flap perfusion. This study included 47 patients who underwent free flap surgery. The subjects were consisted of postoperative patient with fibular free flap (FFF), anterolateral thigh flap (ALT), radial forearm free flap (RFFF), and deep inferior epigastric perforator flap (DIEP), with inclusion criteria of this study are individuals who have successfully undergone micro-reconstruction surgery utilizing a viable free flap, with no prior surgical intervention in the area under evaluation, and the donor area for the free flap is devoid of any history of trauma or surgery. ;
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