Quality of Life in Children With Achondroplasia Undergoing Paired Limb Lengthening With an External Fixator and Modified Distraction Control: Observational Nonrandomized Study.
Vitaliy Trofimchuk, Bolatbek Dossanov, Vassiliy Lozovoy and 5 others
PMID 38265860WHAT IT FOUND
Children with a rod fixator reported less pain and a smaller drop in physical activity and mood early after limb lengthening.
By 6 and 18 months, both fixator groups reported similar quality of life.
Key findings
01In the rod fixator group, 13 patients rated pain 3 points on the second day, and pain scores were 0 for all patients by the end of the latency phase.
02During the latency phase, physical activity and emotional state scores fell less in the experimental group than in the control group, and the difference was significant.
03At 6 months and 18 months after surgery, quality of life scores did not differ significantly between the experimental and control groups.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
The study was nonrandomized and used historical controls, so differences could come from the era, selection, or care rather than the fixator. The groups were small, with 14 children in the rod fixator group and 9 children in the circular fixator group. Social role satisfaction and school attendance were not assessed because patients were in hospital. The rod fixator was developed by the authors, and the control group came from their earlier work, which may introduce bias.
Declared interests
The authors declared no conflicts of interest. The experimental rod fixator was developed by the authors.
The easy way to misread this
Do not read the early quality of life advantage as proof that the rod fixator is better long term. The difference was not significant at 6 months, and the study was nonrandomized with historical controls.