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Proposed classification system for reporting 532-nm pulsed potassium titanyl phosphate laser treatment effects on vocal fold lesions.
Laryngoscope. 2014 May; 124(5):1170-5.L

Abstract

OBJECTIVES/HYPOTHESIS

Currently, no standard exists for reporting treatment results for the potassium titanyl phosphate (KTP) laser. The goal of this study was to establish a validated classification schema for reporting immediate tissue effects after laser treatment.

STUDY DESIGN

Evaluation of KTP laser video sequences by academic laryngologists with use of the rating system.

METHODS

A five-point classification system was developed; this included noncontact angiolysis, epithelial blanching, epithelial disruption, contact epithelial ablation, and contact epithelial ablation with tissue removal. Video recordings were made prospectively for each treatment effect. Ten treatment recordings, with two repeated recordings, were presented to seven academic laryngologists, who were asked to categorize each based on the given classification scheme.

RESULTS

Overall accuracy for the combined reviewers in rating the treatments was 82%. Six of seven reviewers showed perfect intrarater reliability. Accuracy in rating clips did not correlate with the previous number of 532-nm KTP or 585-nm pulsed dye laser procedures performed but showed a trend toward correlating with total years in practice. This study reveals that standardized reporting of effects of the KTP laser is feasible.

CONCLUSIONS

We believe that results of KTP treatment should be reported using a validated classification system of immediate laser effect, along with specific laser settings. This classification system allows for future systematic evaluation of long-term treatment results prospectively from single laser treatments.

Authors+Show Affiliations

Department of Surgery, Division of Otolaryngology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

24595890

Citation

Mallur, Pavan S., et al. "Proposed Classification System for Reporting 532-nm Pulsed Potassium Titanyl Phosphate Laser Treatment Effects On Vocal Fold Lesions." The Laryngoscope, vol. 124, no. 5, 2014, pp. 1170-5.
Mallur PS, Johns MM, Amin MR, et al. Proposed classification system for reporting 532-nm pulsed potassium titanyl phosphate laser treatment effects on vocal fold lesions. Laryngoscope. 2014;124(5):1170-5.
Mallur, P. S., Johns, M. M., Amin, M. R., & Rosen, C. A. (2014). Proposed classification system for reporting 532-nm pulsed potassium titanyl phosphate laser treatment effects on vocal fold lesions. The Laryngoscope, 124(5), 1170-5. https://doi.org/10.1002/lary.22451
Mallur PS, et al. Proposed Classification System for Reporting 532-nm Pulsed Potassium Titanyl Phosphate Laser Treatment Effects On Vocal Fold Lesions. Laryngoscope. 2014;124(5):1170-5. PubMed PMID: 24595890.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Proposed classification system for reporting 532-nm pulsed potassium titanyl phosphate laser treatment effects on vocal fold lesions. AU - Mallur,Pavan S, AU - Johns,Michael M,3rd AU - Amin,Milan R, AU - Rosen,Clark A, Y1 - 2014/03/04/ PY - 2011/04/25/received PY - 2011/08/18/revised PY - 2011/08/24/accepted PY - 2014/3/6/entrez PY - 2011/11/7/pubmed PY - 2014/6/6/medline KW - 532-nm potassium titanyl phosphate KW - larynx KW - vocal cord KW - vocal fold SP - 1170 EP - 5 JF - The Laryngoscope JO - Laryngoscope VL - 124 IS - 5 N2 - OBJECTIVES/HYPOTHESIS: Currently, no standard exists for reporting treatment results for the potassium titanyl phosphate (KTP) laser. The goal of this study was to establish a validated classification schema for reporting immediate tissue effects after laser treatment. STUDY DESIGN: Evaluation of KTP laser video sequences by academic laryngologists with use of the rating system. METHODS: A five-point classification system was developed; this included noncontact angiolysis, epithelial blanching, epithelial disruption, contact epithelial ablation, and contact epithelial ablation with tissue removal. Video recordings were made prospectively for each treatment effect. Ten treatment recordings, with two repeated recordings, were presented to seven academic laryngologists, who were asked to categorize each based on the given classification scheme. RESULTS: Overall accuracy for the combined reviewers in rating the treatments was 82%. Six of seven reviewers showed perfect intrarater reliability. Accuracy in rating clips did not correlate with the previous number of 532-nm KTP or 585-nm pulsed dye laser procedures performed but showed a trend toward correlating with total years in practice. This study reveals that standardized reporting of effects of the KTP laser is feasible. CONCLUSIONS: We believe that results of KTP treatment should be reported using a validated classification system of immediate laser effect, along with specific laser settings. This classification system allows for future systematic evaluation of long-term treatment results prospectively from single laser treatments. SN - 1531-4995 UR - https://www.unboundmedicine.com/medline/citation/24595890/Proposed_classification_system_for_reporting_532_nm_pulsed_potassium_titanyl_phosphate_laser_treatment_effects_on_vocal_fold_lesions_ L2 - https://doi.org/10.1002/lary.22451 DB - PRIME DP - Unbound Medicine ER -