
Ischaemic and Congested Flap: Diagnosis, Management, & Outcomes
Flap vascular compromise, arterial ischaemia or venous congestion, usually emerges within 72 h post‑op. Watch colour, cap‑refill, Doppler/NIRS. Early re‑exploration or adjunct venous‑drainage within 6 h can salvage >60 % of flaps; delays sharply cut survival.