Article ; Online: New disposable esthesiometer (KeraSenseⓇ) to improve diagnosis and management of neurotrophic keratitis.
2024 Volume 32, Page(s) 192–197
Abstract: Purpose: To validate the use, repeatability, and reproducibility of a new, cost-effective, disposable, sterile device (KeraSenseⓇ, Dompè farmaceutici SpA, Milan Italy) compared to Cochet-Bonnet (CB) esthesiometer. Secondly, to identify a simple, safe, ... ...
| Abstract | Purpose: To validate the use, repeatability, and reproducibility of a new, cost-effective, disposable, sterile device (KeraSenseⓇ, Dompè farmaceutici SpA, Milan Italy) compared to Cochet-Bonnet (CB) esthesiometer. Secondly, to identify a simple, safe, rapid, and low-cost test to diagnose neurotrophic keratitis (NK). Methods: 16 patients with diagnosis of NK stage I, 25 patients with diabetes mellitus (DM), and 26 healthy subjects were included in the study. Corneal sensitivity (CS) was assessed by CB and KeraSenseⓇ. Repeatability, accuracy, and reproducibility of the novel disposable aesthesiometer were assessed. Specificity, sensitivity, and cut-off value for NK diagnosis were calculated by ROC curve analysis. Results: All NK patients showed a CS ≤ 40 mm, while none of the healthy patients showed a CS value < 50 mm. Significant agreement was found between CB measurements and the single use esthesiometer evaluations of CS (p < 0.001). Repeatability evaluations of the single use esthesiometer showed 100% agreement between different measurements (p < 0.001). Reproducibility evaluations showed 99.6% concordance between different operators (p < 0.001). A 55 mm value of the single use esthesiometer was adequate to exclude an NK diagnosis, while all NK patients showed a value ≤ 35 mm. Conclusions: Corneal hypo/anaesthesia is considered the hallmark of NK. The use of the novel single-use esthesiometer will allow for a diagnostic improvement in NK, sparing time and guaranteeing patients' safety. Diabetic patients despite normal corneal findings may show impairment of CS, suggesting a preclinical stage of NK, requiring a close follow-up. |
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| MeSH term(s) | Humans ; Male ; Female ; Middle Aged ; Reproducibility of Results ; Keratitis/diagnosis ; Aged ; Cornea/pathology ; Adult ; Disposable Equipment ; ROC Curve ; Equipment Design ; Diagnostic Techniques, Ophthalmological/instrumentation |
| Language | English |
| Publishing date | 2024-03-21 |
| Publishing country | United States |
| Document type | Journal Article ; Validation Study |
| ZDB-ID | 2208578-6 |
| ISSN | 1937-5913 ; 1542-0124 |
| ISSN (online) | 1937-5913 |
| ISSN | 1542-0124 |
| DOI | 10.1016/j.jtos.2024.03.009 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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