Van Adrichem LNA, Kronig SAJ, Kronig ODM. Validation of Skully Care as a Fast Method for Quantifying Positional Cranial Deformities.
Cleft Palate Craniofac J 2021;
59:1107-1113. [PMID:
34559019 PMCID:
PMC9411692 DOI:
10.1177/10556656211035022]
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Abstract
Objective
Craniofacial measuring is valuable for diagnosis and evaluation of growth and treatment of positional skull deformities. Plagiocephalometry (PCM) quantifies skull deformities and is proven to be reliable and valid. However, PCM needs direct skin contact with thermoplastic material, is laborious and time-consuming. Therefore, Skully Care (SC) was developed to measure positional skull deformities with a smartphone application.
Design
SC is retrospectively compared to PCM.
Setting
Pediatric physiotherapy centers.
Patients
Age ≤1 year, analyzed or treated for positional skull deformities.
Interventions
A total of 60 skull shape analyses were performed.
Main Outcome Measures
The main outcome measures employed are Pearson correlation coefficient between cranial vault asymmetry index (CVAI; in SC) and oblique diameter difference index (ODDI; in PCM) and between cranial index (CI; in SC) and cranial proportional index (CPI; in PCM). Mann–Whitney U test determined difference of time consumption between PCM and SC.
Results
High correlation was found between CVAI and ODDI (r = 0.849; P < .01) in positional plagiocephaly and very high correlation between CI and CPI (r = 0.938; P < .01) in positional brachycephaly. SC is significantly faster than PCM (P < .001).
Conclusions
SC is valid in analyzing positional skull deformities and strongly correlates to PCM, the gold standard in daily physiotherapy practice. The combination of simplicity, validity, speed, and user and child convenience makes SC a promising craniofacial measuring method in daily practice. SC has potential to be the modern successor for analyzing positional skull deformities.
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