Implementation Barriers Shadow Nerve and Tendon Transfer Surgery in Spinal Cord Injury Care

Nerve and tendon transfer surgery occupies an unusual place in spinal cord injury rehabilitation: the procedure is technically surgical, but its success depends on whether rehabilitation teams recognize candidacy early enough, refer in time, and coordinate care across disciplines that often work in parallel rather than in sequence. A qualitative study from the USA and Canada examined how clinicians and health services professionals view that implementation challenge, and the resulting picture is less about operative finesse than about the systems that determine whether patients ever reach a reconstructive surgeon.

The study included 36 clinicians and health services professionals from the USA and Canada across diverse disciplines. Those participants sat on the non-surgical side of the referral pathway, the place where complexity first becomes visible in everyday practice: acute management, rehabilitation planning, patient counseling, and long-term follow-up. Their perspective matters because the decision to pursue nerve or tendon transfer surgery is rarely made in an operating room vacuum. It is shaped by the timing of referral, prior assumptions about disability, institutional familiarity with reconstructive options, and how much exposure a given center has to these procedures.

SCI care rarely follows a straight line.

Why Referral Pathways Matter More Than the Operating Room Door

The clinical logic behind nerve and tendon transfer surgery is straightforward enough. In selected patients with SCI, transferring functioning nerve or tendon units can restore motion that was lost when the spinal cord injury interrupted normal motor pathways. The challenge is that the benefit depends on patient selection, residual function, rehabilitation readiness, and realistic expectations about recovery. A delayed referral can make a theoretically suitable patient practically ineligible, especially if denervation has progressed or if the window for reconstruction has narrowed.

This is where implementation science becomes especially relevant. Rather than asking only whether the surgery works, the study used an implementation lens to examine how care is organized around it. That approach fits SCI rehabilitation, where multiple specialists may manage respiratory support, autonomic issues, skin integrity, spasticity, mobility, and upper extremity function at the same time. When a procedure depends on collaboration between rehabilitation clinicians and upper extremity surgeons, any break in the chain can prevent adoption even when the biology is sound.

The article’s strength is its focus on clinicians who encounter patients before surgical referral. Those providers are the ones who decide whether a new reconstructive option enters the conversation at all. Their views can reveal practical barriers that trial data never capture: uncertainty about candidacy, variation in institutional pathways, limited familiarity with the procedure, and the difficulty of coordinating care across systems that may not share referral norms.

Academic Center Experience May Not Translate Cleanly to Community Practice

The sample skewed toward academic medical centres, which introduces an important caution for interpreting the findings. Academic rehabilitation programs are more likely to have established relationships with reconstructive surgeons, greater exposure to SCI subspecialty care, and more internal pathways for discussing advanced procedures. Community clinicians may face a different reality altogether, with fewer referral targets, less opportunity to see these surgeries performed, and more pressure to manage complex rehabilitation needs without specialty backup.

Participants were also recruited through networks, which can create a cohort that already has some awareness of nerve and tendon transfer surgery. In implementation terms, that matters because prior exposure can soften perceived barriers. A sample drawn from clinicians who already know the procedure may still identify obstacles, but it may underestimate how unfamiliar the surgery remains in less connected settings. The findings therefore likely reflect a system partially primed for adoption rather than one encountering the procedure for the first time.

One sentence in the study stands out for what it leaves out: upper extremity surgeons and people with spinal cord injury were not participants. Both groups are essential to understanding implementation. Surgeons determine technical feasibility and operative timing, while patients define what functional gains matter in daily life—grasp, pinch, transfers, self-care, and independence. Without those viewpoints, the picture remains incomplete, especially for a treatment whose value is inseparable from lived function.

Care Complexity Shapes Adoption Before Selection Even Begins

SCI rehabilitation is already a coordination-intensive field. Individuals are cared for by intensivists, surgeons, rehabilitation specialists, therapists, and other professionals who must align around changing neurologic status and secondary complications. Within that system, nerve and tendon transfer surgery adds another layer of coordination: identifying candidates, educating patients, navigating referral thresholds, and synchronizing surgery with rehabilitation goals.

The practical difficulty is not just awareness. It is the moment when a clinician must decide whether to raise a reconstructive option at all. In many SCI pathways, by the time a patient reaches stable outpatient rehabilitation, the conversation may already have narrowed to compensatory strategies rather than restoration. Nerve and tendon transfer surgery challenges that default because it asks the team to think ahead, not only about current deficits but about the biologic window in which motor restoration remains possible.

For patients, that can translate into a bedside consequence that is easy to miss in systems discussions: if the referral happens too late, an option for improved upper extremity function may never be evaluated. For clinicians, the consequence is equally concrete. A center that lacks clear pathways may unintentionally normalize non-referral, even when a patient could have benefited from specialty assessment.

What This Study Adds to SCI Rehabilitation Research

The study contributes a rare implementation-focused view of an emerging reconstructive strategy in SCI. Instead of treating nerve and tendon transfer surgery as a purely technical advance, it places the procedure inside the realities of multidisciplinary rehabilitation, where adoption depends on education, institutional pathways, and collaboration across specialties. The qualitative design is well suited to that question because barriers to implementation are often cultural and organizational rather than strictly clinical.

The limitations are also clear. Transferability may be restricted by the academic skew of the sample, and the absence of surgeons and patients leaves major gaps in interpretation. Future work needs those perspectives before any broad implementation strategy can be considered complete. Patient experience, in particular, will be essential because reconstruction in SCI is not merely about surgical candidacy; it is about whether restored motion aligns with lived priorities and functional goals.

For now, the study points to a simple but consequential reality in SCI rehabilitation: a promising reconstructive option can stall long before the first incision if the care system does not know how, when, and where to route the right patient to the right surgeon.


Reporting by Dr. Clara Evans, DDS, MS, FACS for Medicine World Foundation, with additional data provided by BMJ Open.