Hemodynamic Changes in Paramedian Forehead Flap.

Paramedian forehead flap is a workhorse for nasal reconstruction. However, vascular complications may lead to flap failure. The purpose of this study was to evaluate the blood flow objectively and determine the hemodynamic changes in paramedian forehead flap with respect to influential factors of age, gender, and smoking. Thirty patients who had paramedian forehead flap were followed up prospectively between 2010 and 2013. The blood flow was assessed by resistance index using Color Duplex-Doppler Ultrasonography. Resistance index was measured at the proximal and distal ends of each flap on the postoperative first day, first week, and second week. All data were analyzed using SPSS 15.0 for Windows. Fifteen patients were female and the mean of age was 60.9 years. Our results demonstrated statistically significant differences with gradual decreases in resistance to blood flow, when the resistance index values at the proximal and distal ends of paramedian forehead flap were compared (P

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