BMC ophthalmology · 2026
Early postoperative alignment as a predictor of recurrence after unilateral recession-plication for basic-type intermittent exotropia in children.
СтатьяНазвание и аннотация: Перевод в очереди
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Ren Yuanyuan, Jin Kai, Cao Di, Wang Ying, Liu Li, Li Li, Jiang Jingjing
Аннотация
PURPOSE: This study aimed to identify clinical factors associated with early motor recurrence after unilateral lateral rectus recession with medial rectus plication (RP) in children with basic-type intermittent exotropia (IXT).
METHODS: This retrospective cohort study enrolled children with basic-type IXT who underwent unilateral RP between January 2022 and December 2023. The primary outcome was early motor recurrence, defined as an exodeviation greater than 10 prism diopters (PD) at near at 6 months postoperatively. Early motor success was defined as horizontal exodeviation or esodeviation of 10 PD or less. Deviation at distance and near, fusion, and stereopsis were evaluated at predefined postoperative time points. Multivariable logistic regression and receiver operating characteristic (ROC) analyses were used to assess factors associated with early recurrence and final motor outcomes.
RESULTS: Ninety-one patients were included (mean age, 8.10 ± 3.06 years; mean follow-up, 16.81 months). Thirty-one patients met criteria for early motor recurrence, and 60 achieved early motor success. The early recurrence group had significantly larger residual exodeviation at distance and near during the first postoperative week (P < 0.05). In adjusted logistic regression analyses, both near and distance deviations within the first postoperative week were independently associated with early motor recurrence at 6 months (near: OR = 0.738, 95% CI 0.609-0.895, P = 0.002; distance: OR = 0.736, 95% CI 0.606-0.893, P = 0.002) and with final motor failure (near: OR = 0.798, 95% CI 0.683-0.932, P = 0.004; distance: OR = 0.796, 95% CI 0.681-0.930, P = 0.004). Alignment at 6 months showed stronger adjusted associations with final motor outcome at both near and distance. ROC analysis showed moderate discriminative performance for near deviation within 1 week in identifying early recurrence (AUC = 0.7315) and stronger discrimination for near deviation at 6 months in identifying final motor outcome (AUC = 0.8461); these thresholds require external validation. At final follow-up, fusion was more frequent in the early motor success group (P = 0.011).
CONCLUSIONS: Among children with basic-type IXT undergoing unilateral RP, early postoperative alignment at near and distance was associated with early motor recurrence and final motor failure. Alignment at 6 months showed stronger associations with final motor outcome and should be interpreted as a mid-term prognostic marker rather than an independent early predictor. These findings support careful monitoring of near and distance alignment during the first 6 postoperative months, while acknowledging that the proposed cutoff values require validation in larger, independent cohorts.
METHODS: This retrospective cohort study enrolled children with basic-type IXT who underwent unilateral RP between January 2022 and December 2023. The primary outcome was early motor recurrence, defined as an exodeviation greater than 10 prism diopters (PD) at near at 6 months postoperatively. Early motor success was defined as horizontal exodeviation or esodeviation of 10 PD or less. Deviation at distance and near, fusion, and stereopsis were evaluated at predefined postoperative time points. Multivariable logistic regression and receiver operating characteristic (ROC) analyses were used to assess factors associated with early recurrence and final motor outcomes.
RESULTS: Ninety-one patients were included (mean age, 8.10 ± 3.06 years; mean follow-up, 16.81 months). Thirty-one patients met criteria for early motor recurrence, and 60 achieved early motor success. The early recurrence group had significantly larger residual exodeviation at distance and near during the first postoperative week (P < 0.05). In adjusted logistic regression analyses, both near and distance deviations within the first postoperative week were independently associated with early motor recurrence at 6 months (near: OR = 0.738, 95% CI 0.609-0.895, P = 0.002; distance: OR = 0.736, 95% CI 0.606-0.893, P = 0.002) and with final motor failure (near: OR = 0.798, 95% CI 0.683-0.932, P = 0.004; distance: OR = 0.796, 95% CI 0.681-0.930, P = 0.004). Alignment at 6 months showed stronger adjusted associations with final motor outcome at both near and distance. ROC analysis showed moderate discriminative performance for near deviation within 1 week in identifying early recurrence (AUC = 0.7315) and stronger discrimination for near deviation at 6 months in identifying final motor outcome (AUC = 0.8461); these thresholds require external validation. At final follow-up, fusion was more frequent in the early motor success group (P = 0.011).
CONCLUSIONS: Among children with basic-type IXT undergoing unilateral RP, early postoperative alignment at near and distance was associated with early motor recurrence and final motor failure. Alignment at 6 months showed stronger associations with final motor outcome and should be interpreted as a mid-term prognostic marker rather than an independent early predictor. These findings support careful monitoring of near and distance alignment during the first 6 postoperative months, while acknowledging that the proposed cutoff values require validation in larger, independent cohorts.