Preoperative Velopharyngeal Closure Predicts Hypernasality Outcomes of Secondary Furlow Double-Opposing Z-Plasty

Author:

Prezelski Kayla123ORCID,Kim Carolyn23ORCID,Perez Jeyna12,Vant Slot Cortney3,Kane Alex A.123,Seaward James R.123

Affiliation:

1. Department of Plastic Surgery, University of Texas Southwestern Medical Center, Dallas, Texas, USA

2. Analytical Imaging and Modeling Center, Children’s Health, Dallas, Texas, USA

3. Children's Medical Center, Dallas, Texas, USA

Abstract

Objective To determine if preoperative velopharyngeal closure percentage (VCP) is predictive of successful Furlow double opposing Z-plasty (DOZP) and subsequently determine the optimal velopharyngeal closure cutoff for successful DOZP. Design Retrospective study Setting Tertiary academic center Patients 110 patients with repaired cleft lip and palate having hypernasality treated with DOZP Interventions Speech videofluoroscopy images were used to obtain the preoperative VCP and other measurements. Main Outcome Measures Changes in hypernasality scores using the Cleft Audit Protocol for Speech-Augmented-Americleft Modification (CAPS-A-AM) rating system were used as the primary outcome measure. A successful DOZP was defined as a postoperative hypernasality score of ≤ 1 or an improvement of 2 or more scores from baseline. A receiver operating characteristic (ROC) curve was calculated to determine preoperative VCP cutoff. Results There were 110 patients who underwent DOZP for treatment of velopharyngeal insufficiency. Of these patients, 94 (85%) had successful surgery as determined by their postoperative CAPS-A-AM hypernasality score. Preoperative VCP was a statistically significant predictor of successful DOZP ( P < .0001). The ROC curve with Youden index (J) determined a cutoff (c*) of 55% preoperative VCP or greater to optimize surgical success rate. Grouping by preoperative VCP showed that surgical success increases directly with preoperative VCP, and patients with low VCP had above a 50% success rate in reducing hypernasality scores. Conclusions Preoperative VCP was significantly associated with improved hypernasality ratings postoperatively. A preoperative VCP of ≥55% may be used to help predict success of Furlow palatoplasty treatment. Patients with lower VCP can still benefit from secondary DOZP.

Publisher

SAGE Publications

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