Utilization of the Labial Flap in Anterior Palatal Fistula Repair

Palatal fistulas are the most common postoperative complications in primary cleft palate surgery, with incidence rates ranging from 10% to 30%. Functional indications for repair include food regurgitating from the nose, food impaction resulting in malodor, and hypernasality with speech. Anterior palatal fistulas (APFs), in particular, present difficult reconstructive cases due to lack of available local tissue. Here, we describe a case series of 3 patients who underwent APF repair with a random pattern labial flap.

The 3 patients included in this report underwent surgical repair of APF. The size of defects measured 2 × 1cm, 2.5 × 1.5cm, and 3 × 2cm. In each case, the labial flap was elevated on the free border of the superior lip mucosa and advanced through the alveolar cleft to cover the oral layer of the fistula. After 3 weeks, the proximal part of the pedicled flap was incised and inset to the alveolar ridge.

From 2020 through 2021, 2 lip flaps were successful in providing full coverage to the oral fistula. In one patient, a 3-year-old who did not cooperate with postoperative care, one of the flaps dehisced before division.

APFs are common postoperative complications in patients with primary palate repairs and present difficult reconstructions due to lack of local tissue flaps. Here, we describe a 2-stage method in which a random pattern labial flap is used to provide oral fistula coverage. We recommend this procedure when multiple prior traditional attempts at closure have been unsuccessful and the patient can comply with postoperative care.