The aim of the present study is to assess the microcirculatory changes in the distal part of the perforator flap using ICG fluorescence angiography.

Perforator flaps are increasingly used in reconstructive surgery both as pedicled and free flaps, mostly because of reduced donor site morbidity and superior aesthetic result. However, the there is still much to learn about the hemodynamic changes within these flaps.The aim of the present study is to assess the microcirculatory changes in the distal part of the perforator flap using ICG fluorescence angiography.

Inclusion Criteria:

• patients submitted to elective abdominoplasty

Exclusion Criteria:

• body mass index < 30 kg/m2
• morbidly obese
• patients with comorbidity such as diabetes
• vascular disease
• smokers
• patients < 18 years, and patients using anti-coagulant therapy
• pregnant
• severe hepatic insufficiency were excluded and a history of allergic reactions to ICG and iodide.