Background: Crush injuries present complex reconstructive challenges that require an integrative approach to surgical, orthopedic, and plastic interventions. Due to the extensive soft tissue and neurovascular damage, patient outcomes are often determined by early decisions in wound coverage and limb preservation.
Methods: This narrative review utilized PubMed, Scopus, and Google Scholar to identify relevant studies from 2000 to 2025 on reconstructive techniques used in managing crush injuries. Keywords included “crush injury reconstruction,” “flap coverage,” “skin grafting,” and “limb salvage”. Selected articles included systematic reviews, case series, randomized trials, and clinical guidelines.
Results: Reconstructive strategies follow the reconstructive ladder, beginning with primary closure, progressing through skin grafts, local flaps, regional flaps, and ultimately free tissue transfer. Emerging methods, including dermal substitutes and bioprinting, offer promising adjuncts. Multidisciplinary collaboration remains essential for optimal results.
Conclusion: Effective management of crush injuries relies on timely assessment and layered reconstructive planning. A tailored, patient-centric approach, supported by innovations and interdisciplinary coordination, is pivotal to preserving form and function.

Crush injury reconstruction, Limb salvage, Skin grafting, Flap coverage, Reconstructive strategy.

Crush injuries, typically resulting from high-energy trauma, involve extensive soft tissue damage, vascular compromise, and a high risk of infection and limb loss. These injuries often involve complex damage to the skin, muscles, bones, nerves, and vasculature, making reconstruction highly challenging. They frequently occur in road traffic accidents, industrial mishaps, or natural disasters and require rapid, coordinated multidisciplinary responses.[1]

Managing such injuries is a formidable challenge that lies at the intersection of emergency surgery, orthopedics, and plastic reconstructive principles. The reconstructive goals extend beyond limb salvage—they include functional restoration, infection prevention, pain control, and psychosocial reintegration. In recent years, advancements in flap surgery, microsurgical techniques, and tissue engineering have offered new hope for patients with devastating crush injuries. Yet, outcomes remain variable, especially in low-resource settings where specialized care may be limited.

Wound healing is influenced by multiple factors, including infection, ischemia, poor glycemic control, advanced age, malnutrition, and certain medications. These variables can impair angiogenesis, prolong inflammation, and reduce collagen synthesis.[2]

This review explores current reconstructive options, emerging techniques, and practical strategies employed globally to restore limb integrity in crush injury patients.

This narrative review was developed through a comprehensive search of the literature in PubMed, Google Scholar, Web of Science, and Scopus databases. The search terms included: crush injury, reconstructive surgery, skin graft, flap coverage, free flap, microsurgery, negative pressure wound therapy (NPWT), and tissue engineering. Articles were included if they addressed adult or pediatric patients with traumatic crush injuries requiring surgical reconstruction.

Preference was given to systematic reviews, high-quality cohort studies, and relevant case reports published from 2000 to 2025. Clinical guidelines, textbooks, and grey literature were also consulted for comprehensive coverage. No formal meta-analysis was conducted; rather, a thematic synthesis of reconstructive techniques and their indications was undertaken.

Reconstructive options in crush injuries

• Primary closure and delayed closure: In low-grade crush injuries with minimal contamination, primary closure may be attempted. However, due to swelling and risk of compartment syndrome, many require delayed primary closure once the wound is clean and stable.
• Skin grafts: Split-thickness skin grafts (STSG) are commonly used for superficial or moderately deep wounds. Grafts are contraindicated when tendon, bone, or hardware is exposed without granulation tissue. Full-thickness grafts may be considered for cosmetic areas or smaller defects.
• Local flaps: Local advancement or rotational flaps, such as the V-Y flap or sural flap, are useful for medium-sized defects. They preserve donor site functions and allow for reliable coverage. However, they are often limited by local tissue availability.
• Regional flaps: Examples include the gastrocnemius flap for proximal tibia coverage or the radial forearm flap for hand defects. These provide robust coverage but require more extensive planning and skill.
• Free tissue transfer: Free flaps such as the anterolateral thigh (ALT) flap, latissimus dorsi flap, or gracilis flap offer excellent options for large and complex defects. Microsurgical expertise and facilities are prerequisites. Outcomes are excellent when vascular anatomy permits.
• NPWT: NPWT is widely used as a bridge to definitive closure, helping to promote granulation, reduce bacterial load, and improve local perfusion. It’s particularly beneficial in highly contaminated or exudative wounds.
• Dermal substitutes and biologic dressings: Innovations such as Integra® and AlloDerm® provide scaffolding for dermal regeneration, especially in extensive injuries where traditional flap coverage is not immediately feasible.
• Bioprinting and tissue engineering (Emerging): Experimental but promising, bioprinting techniques are being explored to create vascularized soft tissue replacements. While not yet in mainstream use, ongoing research may revolutionize future reconstructive options.

The table below demonstrates the comparison of reconstructive options available by indication, complexity, and setting.

Table 1: Comparison of reconstructive options

Real-life narratives: Clinical reflections
As a young doctor, I encountered a 41-year-old man with a motorcycle-related crush injury to his lower limb. Initial treatment focused on debridement and infection control. However, coverage of exposed tendons proved difficult. A collaboration with the plastic surgery team led to a successful gastrocnemius flap, saving his leg and livelihood as a trader.

In another case, a woman in her 50s sustained a crush injury during a building collapse. Despite limited resources, NPWT followed by STSG achieved good outcomes. These experiences highlighted that even in resource-limited environments, knowledge of basic reconstructive principles and teamwork can make the difference between limb salvage and amputation.

Principles of early management: Initial crush injury management focuses on life-saving interventions, limb viability assessment, fluid resuscitation, and the prevention of compartment syndrome. Early and aggressive surgical debridement is critical to remove devitalized tissues and reduce microbial load. After stabilization, attention shifts to definitive wound coverage and reconstruction.[3]

Reconstruction: From ladder to elevator: The traditional reconstructive ladder concept starts with the least complex intervention, secondary intention healing, primary closure, skin grafts, and progresses toward local, regional, or free flaps. However, modern practice often follows the reconstructive elevator, allowing surgeons to “skip steps” and opt directly for the most suitable technique based on wound characteristics, available expertise, and patient factors. Successful management of crush injuries demands timely surgical debridement, appropriate antibiotic use, and staged reconstruction. The reconstructive ladder remains the foundational guide. However, modern adaptations such as the reconstructive elevator propose skipping intermediate steps to apply the best-suited method earlier. Multidisciplinary care involving trauma surgeons, plastic surgeons, physiotherapists, and infectious disease specialists yields the best outcomes. Emerging technologies like 3D-printed scaffolds and stem-cell-integrated grafts promise further progress.

Cost and accessibility remain challenges in LMICs. Innovations must therefore be contextualized to local settings to ensure scalability and sustainability. STSGs are useful for superficial, well-vascularized wounds but fail in poorly perfused beds.[1] Local flaps such as advancement or rotation flaps are viable for small- to medium-sized defects with adjacent healthy tissue. Regional flaps, like sural or groin flaps, can cover larger or more distal wounds but may be technically challenging. Free flaps, particularly latissimus dorsi, anterolateral thigh (ALT), or radial forearm flaps, offer excellent coverage and functionality but require microsurgical expertise.

Adjunctive modalities

• NPWT has revolutionized wound bed preparation, enhancing granulation, reducing edema, and improving graft take.
• Tissue-engineered skin substitutes like Integra® and MatriDerm® provide scaffolds for dermal regeneration.
• Hyperbaric oxygen therapy (HBOT) and topical growth factors are being explored for ischemic or infected crush injuries, though access remains limited.

Challenges in low-resource settings: In many LMICs, limited access to microsurgical expertise and advanced wound care tools necessitates adaptation. Surgeons may rely more on regional flaps, autologous skin grafts, or staged procedures. In diabetic patients, hyperglycemia impairs multiple layers of the wound healing process by disrupting neutrophil function, delaying angiogenesis, and compromising fibroblast activity.[4]

Emerging frontiers: Stem cell therapy and platelet-rich plasma (PRP) are being investigated as potential enhancers of wound healing. 3D bioprinting and regenerative scaffolds may also transform future reconstructive approaches by enabling tissue growth tailored to the defect’s geometry and cellular needs.[5]

The spectrum of reconstructive options in crush injuries has evolved with advancements in microsurgery, biomaterials, and wound care techniques. Surgeons must balance available resources, patient needs, and procedural complexity. Ongoing collaboration, education, and research are essential to further improving patient outcomes globally.

We acknowledge the collaborative support of the surgical and academic teams involved in the development of this manuscript. We also want to thank Rivers State University Teaching Hospital staff for their support, especially the CMD, Prof Chizindu Alikor.

This study received no specific funding from any agency in the public, commercial, or not-for-profit sectors.

Corresponding Author:
Chukwuma Ernest Nnanyereugo
Department of Surgery
Rivers State University Teaching Hospital, Nigeria
Email: ernestjnr4@gmail.com

Co-Authors:
Ujevbiruvbe Ese-Oghene
Independent Researchers
University of Port Harcourt Teaching Hospital, Port Harcourt, Nigeria

Ayeboua Favour Ayoko
Independent Researchers
Afe Babalola Teaching Hospital, Ekiti State, Nigeria

Amietubodie Miebaka Lilian
Independent Researchers
Afe Babalola Multisystem Hospital, Ekiti State, Nigeria

Maduka Joe-hope O
Independent Researchers
Rivers state university teaching hospital, Port Harcourt, Nigeria

Agu Chiamaka Sarah
Independent Researchers
Afe Babalola University Teaching Hospital, Ekiti State, Nigeria

Deborah Nadin Aideloje
Department of Nursing
Edo University Iyamho (EUI), Edo state, Nigeria

Ikpor Joyce Ezinne
Department of Surgery
R-Jolad Hospital, Gbagada, Lagos, Nigeria

Chukwuma Ernest Nnanyereugo contributed to the conceptualization, manuscript development, and final review. Ujevbiruvbe Ese-Oghene was responsible for the literature review. Ayeboua Favour Ayoko, Amietubodie Miebaka Lilian, Maduka Joe-hope O, Agu Chiamaka Sarah, and Deborah Nadin Aideloje were involved in drafting the manuscript. Ikpor Joyce Ezinne contributed to data acquisition.

Not applicable

The authors declare no conflict of interest.

Dr. Chukwuma Ernest Nnanyereugo is the guarantor of this manuscript and accepts full responsibility for its content.

https://doi.org/10.63096/medtigo3092235

Nnanyereugo CE, Ese-Oghene U, Ayoko AF, et al. Current Reconstructive Options in Managing Crush Injuries: A Narrative Review. medtigo J Emerg Med. 2025;2(3):e3092235. doi:10.63096/medtigo3092235 Crossref