Effect of postoperative comfort care based on a standard operating procedure management model in children with upper extremity fractures

For nursing students

Study summary

When a child breaks a bone in the arm or hand and needs surgery, recovery does not end when the operation is over. The child still has to move a stiff, painful joint through weeks of exercises, often while frightened and in discomfort. This study, published in BMC Pediatrics, asks a very practical nursing question: does giving nurses a clear, standardized checklist for comfort care actually help children recover better after upper extremity fracture surgery than the usual approach?

The research team, based at a children's hospital in Hangzhou, China, looked back at records for 150 children treated after surgery for upper extremity fractures between August 2023 and August 2024. This is a retrospective study, meaning the researchers reviewed existing clinical data rather than assigning children to treatments as the study unfolded. The children were split into two groups of 75 based on which nursing approach they had already received. One group received conventional postoperative care, the routine nursing follow-up used at the hospital. The other group received care built on a standard operating procedure, or SOP, model for comfort care. An SOP in nursing is essentially a written, step-by-step protocol that spells out exactly what a nurse should assess, document, and act on at each stage of care, rather than leaving the details to individual judgment or habit. Applied to comfort care, an SOP model typically standardizes things such as pain reassessment intervals, positioning and splint checks, education scripts for functional exercises, and psychological support touchpoints, so every child receives the same core interventions no matter which nurse is on shift.

Before comparing outcomes, the researchers checked that the two groups were similar at baseline. They found no significant differences between groups in joint mobility, joint function, pain, comfort, or psychological resilience scores at the start, which matters because it means any differences seen afterward are more likely to reflect the care model rather than pre-existing differences between the children.

After the intervention period, the picture changed. Children who received the SOP-based comfort care showed significantly greater joint mobility, higher joint function scores, lower pain scores, and better comfort scores across all the comfort dimensions measured, compared with children who received conventional care. All of these differences were statistically significant. The intervention group also showed improved psychological resilience scores, and the study authors reported that these children showed better cooperation with their prescribed functional exercise program in day-to-day clinical care.

Why does this matter for a nursing student? Functional exercise after an upper extremity fracture repair is not optional; it is what prevents long-term stiffness and disability in a growing child's arm or hand. But young children are often afraid of pain, do not understand why the exercises matter, and may resist cooperating with therapy. This study suggests that giving nurses a structured, predictable protocol, rather than relying on ad hoc bedside comfort measures, may translate into measurably better pain control, comfort, and psychological steadiness, which in turn supports the child's willingness to do the hard, sometimes uncomfortable work of rehabilitation.

As you read this study, keep its limits in mind. It is a single-hospital, retrospective study, so we cannot be certain the SOP model caused the improvements rather than some other difference between the time periods or nursing teams. The abstract does not specify which validated instruments were used to measure joint mobility, comfort, or psychological resilience, nor does it give exact score values or confidence intervals, only p-values, so the clinical size of the benefit is hard to judge from the abstract alone. The claim about better functional exercise cooperation is described as a clinical observation rather than a separately statistically tested outcome. Still, the study offers a useful, concrete example of how standardizing nursing workflows around comfort, not just efficiency, might support better recovery for children after orthopedic surgery, and it is a good prompt for discussing how SOPs function in real pediatric nursing units.

For educators

Teaching and appraisal notes

This retrospective cohort study from Hangzhou Children's Hospital (Wang et al., BMC Pediatrics, 2025) compares conventional postoperative nursing care with an SOP-driven comfort care model in 150 children treated surgically for upper extremity fractures between August 2023 and August 2024 (n=75 per group, group assignment by nursing management method rather than randomization). It is a useful teaching case for discussing quality-improvement-style nursing research: the intervention is not a drug or device but a standardized workflow, and the outcomes span physical (joint mobility, joint function, pain), affective/comfort, and psychological (resilience) domains simultaneously.

Methodologically, the design is retrospective and non-randomized; students should be pushed to articulate why this limits causal inference even when baseline comparability is demonstrated. The authors report no significant between-group differences at baseline across all five outcome domains (P > 0.05), which strengthens confidence that post-intervention differences are attributable to the care model rather than pre-existing group imbalance, but retrospective allocation by 'nursing management method' still raises the possibility that the two groups were treated in different time periods or by different staff cohorts, introducing potential confounding by secular trend or practitioner effect. The abstract does not name the specific instruments used for joint mobility, joint function, pain, comfort, or psychological resilience, nor does it report effect sizes, confidence intervals, or raw score values beyond p-values, all of which are appropriate points for a critical appraisal exercise: ask students what they would want to see in the full-text Methods and Results tables before accepting the magnitude of benefit.

Substantively, the reported results are internally consistent: the SOP group showed significantly greater joint mobility, higher joint function scores, lower pain, better comfort scores across all comfort dimensions, and higher psychological resilience (all P < 0.001), alongside better clinically observed adherence to functional exercise. This pattern fits a coherent clinical narrative in pediatric orthopedic nursing: standardized, protocol-driven comfort interventions (consistent pain reassessment intervals, structured education, predictable psychological support) may reduce the anxiety and pain barriers that otherwise undermine a child's willingness to perform therapeutic exercise, which in turn supports better functional recovery. This is consistent with established comfort theory frameworks in pediatric nursing, though the study itself does not cite a specific theoretical model in the abstract.

For discussion, faculty may want to draw out: (1) the distinction between statistical significance (P < 0.001 across many outcomes) and clinical significance, since exact score magnitudes are not given in the abstract; (2) the implications of retrospective, single-center design for generalizability to other pediatric surgical populations, age ranges, or health systems, including Canadian pediatric units; (3) how SOP/protocol standardization functions as a nursing intervention in its own right, distinct from any single comfort technique; and (4) what a rigorous follow-up study (prospective, randomized, multi-site, with named validated instruments and reported effect sizes) would need to look like to strengthen the evidence base for adopting SOP-based comfort care models more broadly.