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Aim In 1986 Godina reported that microsurgical reconstruction of traumatic wounds in the extremities undertaken with &amp;gt;72-hour delay caused significant tissue damage, hampering the microsurgical reconstruction and significantly increasing complication rates. It is our opinion that surgical treatment of sarcoma in the extremity is comparable to trauma surgery, given the extent of tissue destruction. The nature of sarcoma management often means that performing definitive reconstruction within 72 hours is not possible. We analyse the outcomes of our ‘delayed’ extremity reconstruction. Method We performed a retrospective analysis of 52 consecutive cases of free flap extremity reconstruction following sarcoma excision. Data was analysed for time from resection to reconstruction, significant patient demographics, details of the flap and post-operative complications. Results Between March 2017 and December 2020, we performed 52 free flaps for sarcoma reconstruction in the extremities. Mean time to reconstruction was 28 days (Median 15 days, Range: 0-316 days), with two reconstructions within 72 hours of excision. 9 patients had neoadjuvant chemo- or radiotherapy. Three patients had significant post-operative complications; two flaps failed intra-operatively (3.8%) and one patient (1.9%) experienced wound infection. Conclusions Godina’s study demonstrated the negative impact of delaying surgical reconstruction in the traumatised extremity, with a 12% failure and 17.5% infection rate in delayed reconstruction (72 hours to 3 weeks). Our results show that with advancements in microsurgical techniques and physiological optimization, it is possible to safely and successfully undertake delayed (&amp;gt;72 hours) microsurgical extremity reconstruction in sarcoma patients and achieve low flap failure and infection rates.

1106 Timing of Free Flap Reconstruction in Sarcoma Patients