Journal of minimally invasive gynecology · 2025
Transforming the #Enzian Classification Into a Four-Stage System: A Feasibility Study by Comparison With the 2021 AAGL Endometriosis Classification.
СтатьяСравнительное исследованиеНазвание и аннотация: Перевод в очереди
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Fadinger Nikolaus, Oppelt Peter, Trautner Philip Sebastian, Szilagyi Imre, Raidl Stefan, Enzelsberger Simon-Hermann
Аннотация
STUDY OBJECTIVE: To develop a translation model of the #Enzian classification into a 4-stage system and to evaluate its performance in a retrospective endometriosis cohort.
DESIGN: Feasibility study consisting of 2 parts: First, the allocation of points for the translation model of the #Enzian classification into a 4-stage system. Second, the comparison between the AAGL2021 stages and the new #Enzian stages in a retrospective cohort of patients with endometriosis surgery.
SETTING: Tertiary center in Europe.
PARTICIPANTS: 222 endometriosis patients who underwent laparoscopic surgery with perioperative documentation of both classifications.
INTERVENTIONS: The basic structure of the translation model was defined according to the point values used in the AAGL2021 classification for different anatomical locations. In the absence of a direct translation option, the corresponding points for the #Enzian compartments were determined in a survey of 3 experienced endometriosis surgeons. The final 4-stage system was then tested against the AAGL2021 classification in a retrospective dataset.
RESULTS: The distribution of endometriosis stages was similar between the 2 classifications, with a comparable percentage of patients in each stage (stage 1: 43% and 44%, stage 2: 20% and 24%, stage 3: 11% and 9%, stage 4: 27% and 21% for the #Enzian and AAGL2021 classifications, respectively). However, the composition of the stages differed slightly, especially in stages 2 and 3, which was shown in a Sankey diagram. Certain deep endometriotic lesions in compartment B and adenomyosis are not respected in the AAGL2021 classification.
CONCLUSION: The #Enzian classification can be easily converted to a 4-stage scoring system similar to the AAGL2021 classification. Perhaps future research could help to determine appropriate point values based on different outcome parameters (e.g., pain, infertility, surgical complexity, …).
DESIGN: Feasibility study consisting of 2 parts: First, the allocation of points for the translation model of the #Enzian classification into a 4-stage system. Second, the comparison between the AAGL2021 stages and the new #Enzian stages in a retrospective cohort of patients with endometriosis surgery.
SETTING: Tertiary center in Europe.
PARTICIPANTS: 222 endometriosis patients who underwent laparoscopic surgery with perioperative documentation of both classifications.
INTERVENTIONS: The basic structure of the translation model was defined according to the point values used in the AAGL2021 classification for different anatomical locations. In the absence of a direct translation option, the corresponding points for the #Enzian compartments were determined in a survey of 3 experienced endometriosis surgeons. The final 4-stage system was then tested against the AAGL2021 classification in a retrospective dataset.
RESULTS: The distribution of endometriosis stages was similar between the 2 classifications, with a comparable percentage of patients in each stage (stage 1: 43% and 44%, stage 2: 20% and 24%, stage 3: 11% and 9%, stage 4: 27% and 21% for the #Enzian and AAGL2021 classifications, respectively). However, the composition of the stages differed slightly, especially in stages 2 and 3, which was shown in a Sankey diagram. Certain deep endometriotic lesions in compartment B and adenomyosis are not respected in the AAGL2021 classification.
CONCLUSION: The #Enzian classification can be easily converted to a 4-stage scoring system similar to the AAGL2021 classification. Perhaps future research could help to determine appropriate point values based on different outcome parameters (e.g., pain, infertility, surgical complexity, …).