The Laryngoscope · 2018
Glottic exposure for transoral laser microsurgery: Proposal of a mini-version of the laryngoscore.
СтатьяВалидационное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Incandela Fabiola, Paderno Alberto, Missale Francesco, Laborai Andrea, Filauro Marta, Mora Francesco, Del Bon Francesca, Piazza Cesare, Peretti Giorgio
Аннотация
OBJECTIVES: Good laryngeal exposure (GLE) is typically regarded as an essential prerequisite for transoral laser microsurgery (TLM). The Laryngoscore is a preoperative scoring system aimed at predicting glottic visualization through the laryngoscope using easy patient-derived parameters. However, the presence of subjective variables may hamper its reliability and reproducibility. The aim of the present study was to provide a validation of the Laryngoscore and to develop a revised mini-version of the same, called mini-Laryngoscore (mLS), which could allow even quicker, yet sufficiently accurate, preoperative prediction of GLE.
STUDY DESIGN: Prospective cohort study.
METHODS: We prospectively evaluated 310 consecutive patients submitted to TLM between 2014 and 2017, grading each patient according to the variables considered in the Laryngoscore.
RESULTS: Among the 11 variables of the previous Laryngoscore, three were confirmed as statistically significant at validation: interincisors gap, thyromental distance, and upper jaw dental status. We chose these three variables as part of the revised mLS (ranging from 0 to 4). In our cohort, 30% of the patients obtained a score of 0, 57% a score of 1, 11% a score of 2, and 2% a score of ≥3. GLE was achieved in 97%, 85%, 65%, and 20% of cases, respectively.
CONCLUSION: Our validation confirmed the predictive ability of the Laryngoscore. Furthermore, although composed of only three clinical parameters, the mLS was still able to convey useful information regarding the possibility of obtaining GLE.
LEVEL OF EVIDENCE: 2 Laryngoscope, 129:1617-1622, 2019.
STUDY DESIGN: Prospective cohort study.
METHODS: We prospectively evaluated 310 consecutive patients submitted to TLM between 2014 and 2017, grading each patient according to the variables considered in the Laryngoscore.
RESULTS: Among the 11 variables of the previous Laryngoscore, three were confirmed as statistically significant at validation: interincisors gap, thyromental distance, and upper jaw dental status. We chose these three variables as part of the revised mLS (ranging from 0 to 4). In our cohort, 30% of the patients obtained a score of 0, 57% a score of 1, 11% a score of 2, and 2% a score of ≥3. GLE was achieved in 97%, 85%, 65%, and 20% of cases, respectively.
CONCLUSION: Our validation confirmed the predictive ability of the Laryngoscore. Furthermore, although composed of only three clinical parameters, the mLS was still able to convey useful information regarding the possibility of obtaining GLE.
LEVEL OF EVIDENCE: 2 Laryngoscope, 129:1617-1622, 2019.