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Evolving intraoperative technology has an increased presence and usefulness in aiding surgeon clinical judgment. Many surgical devices are readily available as an adjunct to this gold standard assessment of adequate tissue perfusion. Intraoperative perfusion monitoring provides surgeons with the ability to interpret additional information that enhances surgical decision-making in real-time. Technologies include various dye-based and non–dye-based near-infrared angiography, tissue oximetry measurements, and ultrasound-based tools. This review summarizes the available intraoperative technologies for planning and assessment of tissue perfusion in plastic and reconstructive surgery. The authors discuss the available literature for the individual devices and supporting evidence for their use. The authors recommend the evidence-based use of these tools in indicated surgical cases to improve clinical outcomes.