A patient with post-traumatic limb deformity affixed with a ring fixator to promote bone alignment and stabilization. The patient was treated with gradual correction followed by nailing at time of realignment, reducing their time in the ring fixator to 2 weeks.
Courtesy of Mani Kahn, MD, MPH, FAAOS

AAOS Now

Published 5/29/2025
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Mani Kahn, MD, MPH, FAAOS; Milan Sen, MD, MBA, MS, FAAOS

Emerging Techniques for Post-Traumatic Complications May Bridge Gaps in Trauma Care

For those who have had the privilege of participating in medical missions in the developing world, one of the most emotionally taxing aspects is witnessing the sheer effort it takes for a patient to present for care. Entire communities may rally to transport a single individual who has endured suffering for far too long. The palpable mixture of hope and despair is undeniable, and the emotional toll is profound for both patients and physicians. In mission environments—marked by language and cultural barriers, short windows for intervention, and limited resources—there is little time to build lasting connections. Medical teams focus on providing surgical supplies, OR time, and even compassion itself as efficiently and effectively as possible.

This dynamic is not exclusive to developing nations. It resonates powerfully within underserved communities in the U.S. healthcare system. Patients who are uninsured or underinsured, live in rural or impoverished urban areas, face language barriers, or have conditions that exceed the capacity of local health systems face similarly daunting journeys. In the domain of severe post-traumatic limb complications, the challenges of accessing care in resource-limited environments are strikingly similar—especially for patients lacking the financial, social, or educational resources to navigate the complex healthcare landscape.

Traditionally, orthopaedic training has conditioned surgeons to recommend amputation or acceptance of disability when a patient’s complex needs appear unmanageable.

However, trauma does not strike equitably. It disproportionately affects the socioeconomically disadvantaged, who experience more severe injuries, worse outcomes, and higher rates of treatment failure. Robust evidence across disciplines demonstrates that socioeconomic status and racial background heavily influence both access to care and likelihood of treatment success.

These disparities become even more pronounced when patients require limb-salvage procedures—often multi-stage operations involving external fixators, internal lengthening devices, prolonged courses of antibiotics, and extensive rehabilitation. For patients seeking care after failed fracture treatment, the journey is already long and arduous.Stud

ies show that the disability resulting from a tibial nonunion rivals that of a myocardial infarction. When poverty, food and housing insecurity, language barriers, limited education, and systemic mistrust of healthcare are added to the equation, the pathway to specialty care becomes as treacherous as that of the patient arriving at a mission hospital overseas.

Fortunately, despite systemic limitations, healthcare professionals frequently rise to the challenge. Safety-net hospitals, trauma specialists, and community networks blend advanced technology with compassionate care to guide patients toward recovery. Charity care, crowdfunding, culturally tailored support services, and clinics designed specifically for underserved populations form vital bridges over otherwise insurmountable barriers. After all, what benefit is an amputation to a patient with no access to prosthetic devices or rehabilitation services?

Surgical advancements
In some cases, surgical skill and technological innovation can offer independence where amputation was once the only option. For example, employing a “temporizing” knee fusion nail with a cement spacer—as described by Janet Conway, MD—can preserve the limb and allow for earlier return to function, so patients can regain independence while avoiding amputation.

Looking ahead, emerging techniques and technologies hold significant promise in meeting the increasing demand for advanced limb-salvage strategies. Innovations in distraction osteogenesis and infection management are particularly noteworthy, as more patients survive devastating injuries that previously resulted in amputation. Thanks to ongoing advancements in orthopaedic trauma care, these patients now have viable opportunities for complex reconstructive treatment.

For patients requiring ring fixators, automated struts now eliminate the burden of manual adjustments, easing patient and caregiver involvement. This advancement also broadens accessibility to treatments such as limb realignment, bone transport, and joint-contracture correction.

Equally important, the prolonged treatment timelines inherent to external fixation—often characterized by periods of limited mobility, frequent follow-up visits, and maintenance procedures in the OR to manage pin-site infections or adjust components—pose significant challenges, especially for socioeconomically disadvantaged patients.

Recent innovations offer solutions: extramedullary pin and wire constructs, cable transport with antibiotic depot, and early conversion to intramedullary nails help reduce the overall treatment time, accelerating recovery and minimizing complications.

Similarly, internal lengthening nails are revolutionizing limb salvage, offering less invasive procedures, quicker recovery times, and better patient tolerance. Bone transport techniques, previously reliant on external devices, can now be performed entirely with percutaneous methods for acute deformity correction coupled with internal hardware—ushering in a new era of minimally invasive yet effective reconstruction that shortens recovery time.

Patients with socioeconomic challenges are at a heightened risk for both traumatic injury and barriers to accessing and completing necessary care. When complications arise, it is difficult for them to find specialists and systems capable of guiding them through the limb-salvage process. These patients serve as the “canary in the coal mine” of access issues, highlighting systemic gaps that threaten to widen if left unaddressed.

Yet, there is reason for optimism. Emerging techniques and evolving technologies offer real potential to bridge these gaps.

Most importantly, despite structural obstacles, the healthcare system retains an inexhaustible resource that may prove to be the most powerful tool in meeting these patients’ needs: compassion.

Mani Kahn, MD, MPH, FAAOS, is an associate professor, chief of the orthopaedic trauma division, and orthopaedic surgery residency program director at Montefiore Einstein in Bronx, New York. His practice is focused on limb salvage and limb deformity. Dr. Kahn serves on the executive board of the Limb Lengthening and Reconstruction Society, has committee positions for the Orthopaedic Trauma Association, and is a member of the AAOS Board of Specialty Societies.

Milan Sen, MD, MBA, MS, FAAOS, is an associate professor at the Albert Einstein College of Medicine and chief of orthopaedic surgery at NYC Health+Hospitals/Jacobi in Bronx, New York. His practice is focused on polytrauma, infection, and non-union.

References

  1. MacKenzie EJ, Bosse MJ: Factors influencing outcome following limb-threatening lower limb trauma: lessons learned from the Lower Extremity Assessment Project (LEAP). J Am Acad Orthop Surg 2006;14(10 Spec No.):S205-S210.
  2. Institute of Medicine (US) Committee on Understanding and Eliminating Racial and Ethnic Disparities in Health Care, Smedley BD, Stith AY, Nelson AR, eds. Unequal Treatment: Confronting Racial and Ethnic Disparities in Health Care. Washington (DC): National Academies Press (US); 2003.
  3. Brinker MR, Hanus BD, Sen M, O’Connor DP: The devastating effects of tibial nonunion on health-related quality of life. J Bone Joint Surg Am 2013;95(24):2170-2176.
  4. Wood JH, Conway JD Advanced concepts in knee arthrodesis. World J Orthop. 2015;6(2):202-210. Published 2015 Mar 18.
  5. Rozbruch SR, Kleinman D, Fragomen AT, Ilizarov S: Limb lengthening and then insertion of an intramedullary nail: a case-matched comparison. Clin Orthop Relat Res 2008;466(12):2923-2932.
  6. Olesen UK, Nygaard T, Prince DE, et al: Plate-assisted Bone Segment Transport With Motorized Lengthening Nails and Locking Plates: A Technique to Treat Femoral and Tibial Bone Defects. J Am Acad Orthop Surg Glob Res Rev 2019;3(8):e064.
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