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Microsurgical Reconstruction of the Lower Extremity in a Level 1 Trauma Center

What does successful limb salvage really mean when bone, vessels, nerves and soft tissue are all severely damaged? In this lecture, a Level 1 trauma center surgeon walks through complex lower-extremity cases involving crush injuries, Gustilo IIIB/IIIC fractures, chronic osteomyelitis, infections, oncologic defects and battlefield trauma.

The discussion moves from the MESS score and the classic reconstructive ladder to a more patient-specific approach. Detailed cases illustrate why DIEP, ALT, radial forearm and gracilis flaps may be chosen for very different reasons—from covering exposed bone and vascular grafts to restoring tendon or nerve function while minimizing donor-site morbidity.

A recurring theme is prevention: preserving arterial inflow, protecting venous outflow, monitoring flaps with multiple signals, and achieving truly tension-free closure. The Q&A adds an especially practical perspective, including flap monitoring pitfalls, implantable Doppler limitations, skin-graft timing, open-fracture fixation choices, and discussion of a real battlefield casualty from Ukraine.

PRAS-03

Course

Lower Extremity Reconstruction: Limb Salvage, Wound Management, and Functional Outcomes

01 56:14 Chronic Wounds: From Etiology to Surgical ClosureA practical overview of chronic wound assessment, etiological diagnosis, wound-bed preparation, dressings, debridement and reconstructive options, with a focus on evidence-based decision-making.

02 1:05:42 Principles and Goals in Severe Limb Trauma ReconstructionHow do you decide when a severely injured limb should be salvaged—and when primary amputation is the better reconstruction? Dr Hari Venkatramani explores practical decision-making in mangled upper and lower extremities through complex clinical cases, microsurgical reconstruction, debridement, flap coverage and staged functional recovery.

03 1:03:15 Regenerative Peripheral Nerve Interfaces (RPNI) for Neuroma and Phantom Limb PainWhy do neuromas keep returning after amputation, and can we give regenerating axons a better target? Dr. Paul Cederna explains the rationale behind RPNI, its technical principles, clinical results, and its growing role in both treatment and prevention of post-amputation pain.

04 48:10 Endovascular Revascularization and Free Flap Salvage of Diabetic Foot UlcersA practical case-based lecture on combining endovascular revascularization with free tissue transfer to salvage severely ischemic diabetic feet, with emphasis on timing, recipient vessels and flap selection.

05 1:48:07 Now playing Microsurgical Reconstruction of the Lower Extremity in a Level 1 Trauma CenterA case-based lecture on complex lower-extremity trauma, limb salvage, flap selection and microsurgical reconstruction, with a strong focus on function, vascular preservation and practical decision-making.

06 1:06:01 Lower Limb Reconstruction After High-Energy Trauma: Flaps, NPWT and Flap SalvageA practical overview of lower-limb reconstruction after complex trauma: choosing local and free flaps, using negative-pressure wound therapy, monitoring microsurgical flaps and recognizing vascular compromise before salvage becomes unlikely.