PDF(Pubmed)
Abstract：
UNASSIGNED: Forehead flaps are commonly used in oculoplastic surgery to cover defects after tumor excision. Blood perfusion is vital for flap survival. The aim of this study was to monitor the perfusion in forehead flaps and investigate the impact of flap length and thickness.
UNASSIGNED: Nineteen forehead flaps in patients undergoing direct brow lift were studied. Perfusion was monitored using laser speckle contrast imaging, immediately after raising flaps consisting of epidermis, dermis, and subcutaneous tissue, and after removing the subcutaneous tissue resulting in a thin flap.
UNASSIGNED: Perfusion decreased gradually along the length, the mean value being 44% at 5 mm and 26% at 15 mm from the base, in thick flaps. Perfusion was significantly lower in thin flaps, being 13% when measured 15 mm from the flap base (p < 0.0024). Perfusion was better preserved in thick than in thin flaps. Very low perfusion was observed 16.7 mm (16.0-17.3 mm) from the base in thick flaps, and from 10.2 mm (9.8-10.6 mm) from the base in thin flaps (p < 0.0001).
UNASSIGNED: Flap thickness is important in maintaining adequate blood perfusion and thus increasing the probability of flap survival. This may be particularly important in long flaps and in patients with impaired microcirculation.
UNASSIGNED: Nineteen forehead flaps in patients undergoing direct brow lift were studied. Perfusion was monitored using laser speckle contrast imaging, immediately after raising flaps consisting of epidermis, dermis, and subcutaneous tissue, and after removing the subcutaneous tissue resulting in a thin flap.
UNASSIGNED: Perfusion decreased gradually along the length, the mean value being 44% at 5 mm and 26% at 15 mm from the base, in thick flaps. Perfusion was significantly lower in thin flaps, being 13% when measured 15 mm from the flap base (p < 0.0024). Perfusion was better preserved in thick than in thin flaps. Very low perfusion was observed 16.7 mm (16.0-17.3 mm) from the base in thick flaps, and from 10.2 mm (9.8-10.6 mm) from the base in thin flaps (p < 0.0001).
UNASSIGNED: Flap thickness is important in maintaining adequate blood perfusion and thus increasing the probability of flap survival. This may be particularly important in long flaps and in patients with impaired microcirculation.
摘要：
■额头皮瓣通常用于眼整形手术中，以覆盖肿瘤切除后的缺损。血液灌注对皮瓣的存活至关重要。这项研究的目的是监测前额皮瓣的灌注，并研究皮瓣长度和厚度的影响。
■研究了直接抬起眉毛的患者的19个前额皮瓣。使用激光散斑对比成像监测灌注，在抬起由表皮组成的皮瓣后立即，真皮,和皮下组织，并在去除皮下组织后产生薄皮瓣。
■灌注沿长度方向逐渐减少，平均值在距底座5毫米处为44%，在距底座15毫米处为26%，在厚的皮瓣。薄皮瓣的灌注明显较低，当测量距离襟翼基部15mm时，为13%(p<0.0024)。在厚皮瓣中比在薄皮瓣中更好地保存灌注。在厚皮瓣中观察到距基部16.7mm(16.0-17.3mm)的极低灌注,从底部10.2mm(9.8-10.6mm)的薄襟翼(p<0.0001)。
■皮瓣厚度对于维持足够的血液灌注并因此增加皮瓣存活的可能性很重要。这在长皮瓣和微循环受损的患者中可能尤为重要。
■研究了直接抬起眉毛的患者的19个前额皮瓣。使用激光散斑对比成像监测灌注，在抬起由表皮组成的皮瓣后立即，真皮,和皮下组织，并在去除皮下组织后产生薄皮瓣。
■灌注沿长度方向逐渐减少，平均值在距底座5毫米处为44%，在距底座15毫米处为26%，在厚的皮瓣。薄皮瓣的灌注明显较低，当测量距离襟翼基部15mm时，为13%(p<0.0024)。在厚皮瓣中比在薄皮瓣中更好地保存灌注。在厚皮瓣中观察到距基部16.7mm(16.0-17.3mm)的极低灌注,从底部10.2mm(9.8-10.6mm)的薄襟翼(p<0.0001)。
■皮瓣厚度对于维持足够的血液灌注并因此增加皮瓣存活的可能性很重要。这在长皮瓣和微循环受损的患者中可能尤为重要。
