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* Home * Chapters * Lesson Plans * Editors * Help CONGENITAL * Absent and Hypoplastic Disorders * Brachial Plexus Birth Injury * Cerebral Palsy * Embryology and Classification * Finger and Thumb Anomalies * Hand and Wrist Fractures and Dislocations * Physeal Injury (Traumatic and Acquired) * Polydactyly * Syndactyly and Symbrachydactyly * Wrist and Upper Limb Anomalies GENERAL PRINCIPLES * Anesthesia (including WALANT) * Compartment Syndrome * Imaging * Infections * Medical Conditions * Principles of Hand and Wrist Arthroscopy HAND AND WRIST: BONE AND JOINT * Carpal Fractures (including Malunion and Nonunion) * Distal Radius and Ulna Fractures (including Malunion and Nonunion) * DRUJ Arthritis * DRUJ Injury and Reconstruction * Intercarpal and Radiocarpal Arthritis * Metacarpal Injuries (including Malunion and Nonunion) * Osteoarthritis of Fingers (including Arthroplasty) * Osteoarthritis of the Thumb (including Arthroplasty) * Phalangeal Injuries (including Malunion and Nonunion) * PIP Dislocations and Fracture Dislocations * Scaphoid Fractures * Scaphoid Fractures (Nonunion) * Scapholunate Ligament Injuries and Reconstruction * Thumb Fractures and Ligament Injuries * Wrist Dislocations and Instability (not including SL) HAND AND WRIST: SOFT TISSUE * Acute Flexor Tendon Injuries * Burns * Extensor Tendon Injury * Fingertip and Nail Bed Injuries * Flexor Tendon Reconstruction * Free Tissue Transfer * Local and Regional Flaps for Hand Reconstruction * Replantation * Tendinopathies * The Mangled Hand and Amputation NERVE * Adult Brachial Plexus Injuries (Reconstruction, Nerve Transfers, Late Reconstruction) * Median Nerve Compression * Median Nerve Injury, Repair and Tendon Transfers * Nerve Injury and Repair * Radial Nerve Compression * Radial Nerve Injury, Repair and Tendon Transfers * Ulnar Nerve Compression * Ulnar Nerve Injury, Repair and Tendon Transfers DISORDERS AND DISEASES * AVN of Hand and Wrist * Complex Regional Pain Syndrome (CRPS) * Dupuytren Disease * Primary Bone Tumors * Psychological Aspects of Arm Illness * Rheumatoid and Inflammatory Arthropathies * Soft Tissue Tumors * Tetraplegia and Stroke * Upper Limb Amputation, TMR, Prosthetics * Vascular Disorders Log In * User Agreement * Log Out Hand and Wrist: Soft Tissue REPLANTATION * * Saved! * Summary * Key Points/Anatomy * Full Text * Media * Key Articles * Questions * Authors * Related Info SUMMARY * SHARE SHARE THIS PAGE COPY LINK COPIED! SHARE VIA EMAIL ISCHEMIA TIME * Acceptable ischemia time major amputations <6 hours and digit amputation(s) <12 hours * Cooling can extend ischemia time to 12 hours for a major limb and >24 hours for a digit -------------------------------------------------------------------------------- PREOPERATIVE ASSESSMENT * Prehospital care—Amputated part is cooled immediately, wrapped in a saline-soaked sponge and placed in a plastic bag with bag placed in ice slush * Note occupation, hand dominance, mechanism of injury, and any past injury to the area * Record past medical history including history of CVD, PVD, DM, and smoking * Assess the condition of the patient—complete trauma evaluation—and the amputated part—ischemia time, level of injury, poor prognostic signs such as red line or ribbon sign * Imaging—three-view X-rays of the amputated part and residual limb -------------------------------------------------------------------------------- SURGICAL TECHNIQUE FOR DIGIT REPLANTATION * Debridement of all nonviable tissue and foreign material * Sequence of repair includes bone, extensor tendon, flexor tendon, artery, nerve, and veins * Bone shortening and fixation * Bone shortening of 0.5–1 cm will help limit tension on repair of neurovascular structures * Fixation with K-wires is most common, but other options include interosseous wiring, K-wire and interosseous wire (hybrid method), intramedullary fixation, and plate/screws * Extensor tendon is repaired primarily with a braided 3–0 or 4–0 suture * Flexor tendon is repaired primarily using at least a 4-strand core suture repair * Repair of one artery is often sufficient * Inadequate arterial inflow proximally is addressed by: * Dissecting the vessel proximally to healthy tissue * Warming and volume-repleting patient * Irrigating the vessel with warm saline and a vasodilator such as papaverine * Liberal use of vein grafts * Nerves are ideally repaired primarily, but allografts can be used when necessary * Two veins are anastomosed for each repaired artery * Loose skin closure; liberal use of skin grafts is encouraged to prevent tension -------------------------------------------------------------------------------- DISTAL DIGITAL REPLANTATION * Injuries distal to DIPJ can be replanted but present difficulties in venous outflow * Ideally, 1 cm of dorsal skin exists proximal to nail fold to find a vein of adequate caliber * If no dorsal vein is available, other methods for venous outflow may be tried such as repair of volar vein, AV shunting, surface bleeding, leeching, subcutaneous pocketing, pulp reduction, and intramedullary drainage -------------------------------------------------------------------------------- ADDITIONAL CONSIDERATIONS FOR MAJOR LIMB REPLANTATION * Ischemia time is critical * Sequence of repair includes debridement/fasciotomies (forearm/hand), arterial shunting, bone shortening and fixation, arterial anastomoses, venous anastomoses, nerve repair, muscle repair, and skin coverage. * Arterial shunting—catheter is temporarily used to bridge a proximal artery in the residual limb to an artery in the amputated part to re-perfuse the amputated part * Approximately 4 cm of bone shortening is performed at the forearm level. Fix with plate and screws in the forearm vs. crossed K-wires in the carpus. * Arterial repairs are performed before venous repairs to flush out toxic metabolites * Prepare for blood loss and transfusion * Intermittent use of tourniquet or recovery system (e.g., cell saver) can limit blood loss * Venous repairs should include deep and superficial systems * Neurorrhaphy is performed using an epineural repair * Muscle and tendon repair is completed from deep to superficial * Skin closure over the neurovascular bundles with open areas for drainage * Repeat debridement is often performed 48–72 hours postoperatively -------------------------------------------------------------------------------- POSTOPERATIVE CARE * Noncompressive dressing and plaster splint is applied * The arm is elevated to heart level * The patient is kept well hydrated * The room and limb are maintained warm * Anticoagulation such as aspirin, heparin, and lovenox can be instituted, although there is not sufficient data to make specific recommendations * Perform frequent assessment for color, skin turgor, temperature, and capillary refill * Venous congestion algorithm includes ensuring a non-compressive dressing, OR takeback, and leeches -------------------------------------------------------------------------------- PEDIATRIC REPLANTATION * Almost any amputated part in a healthy child is considered for replantation * With an open epiphysis, the replanted part will continue to grow * Bone shortening should be limited to prevent epiphysis injury * Longitudinal growth will be ~80% of normal * Sensory recovery is similar to that of an isolated digital nerve repair * Cold intolerance is uncommon in a child -------------------------------------------------------------------------------- COMPLICATIONS * Arterial insufficiency (pale appearance) * Venous insufficiency manifests as congestion (rapid capillary refill) * Infection including osteomyelitis * Cold intolerance (adults). Symptoms often improve in 1–2 years, or never resolve. * Stiffness requiring tenolysis and contracture release * Nonunion * Abnormal sensation ACCEPT TERMS OF USE In order to access the Handthology site you must accept the terms of the Handthology User Agreement. Also, cookies help us deliver the best experience on our website. By using our website, you agree to the use of cookies. AcceptDecline Nothing found Text Save "Handthology can't be loaded! "Handthology requires javascript to work properly. "ASSH Handthology App can't be loaded!