Objective assessment of plaster cast quality in pediatric distal forearm fractures: is there an optimal index?

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Artigo de periódico

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Membros da banca

Resumo

Background: Several so-called casting indices are available for objective evaluation of plaster cast quality.The present study sought to investigate four of these indices (gap index, padding index, Canterbury index,and three-point index) as compared to a reference standard (cast index) for evaluation of plaster cast quality after closed reduction of pediatric displaced distal forearm fractures. Methods: Forty-three radiographs from patients with displaced distal forearm fractures requiring manipulation were reviewed. Accuracy, sensitivity, specificity, false-positive probability, false-negative probability, positive predictive value, negative predictive value, positive likelihood ratio, and negative likelihood ratio were calculated for each of the tested indices. Results: Comparison among indices revealed diagnostic agreement in only 4.7% of cases. The strongest correlation with the cast index was found for the gap index, with a Spearman correlation coefficient of 0.94. The gap index also displayed the best agreement with the cast index, with both indices yielding the same result in 79.1% of assessments. Conclusion: When seeking to assess plaster cast quality, the cast index and gap index should be calculated; if both indices agree, a decision on quality can be made. If the cast and gap indices disagree,the padding index can be calculated as a tiebreaker, and the decision based on the most frequent of the three results. Calculation of the three-point index and Canterbury index appears unnecessary.

Abstract

Assunto

Fraturas do Punho, Prognose, Pediatria

Palavras-chave

Distal forearm fracture, Casting indices, Prognosis, Pediatrics

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Endereço externo

https://www.sciencedirect.com/science/article/pii/S0020138316307847?via%3Dihub

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