Feasibility and Advantage of a Muscle-Sparing Laterally Based Pericranial Flap.

Feasibility and Advantage of a Muscle-Sparing Laterally Based Pericranial Flap.

J Craniofac Surg. 2016 May;27(3):552-557

Authors: Yano T, Okazaki M, Tanaka K, Tsunoda A, Aoyagi M, Kishimoto S

Abstract
BACKGROUND: For a safe and reliable middle skull base reconstruction, the temporalis muscle flaps or pericranial-temporalis muscle flaps have usually been used as the first-choice in clinical practice. But these flaps have an inevitable disadvantage, namely, temporal hollowing. To address this problem, in this study, the authors describe the feasibility and advantages of using a muscle-sparing laterally based pericranial flap.
METHOD: The authors reviewed 19 patients who had undergone middle skull base reconstruction using laterally based pericranial flaps. There were two types of these flaps. One was the conventional type: a laterally based pericranial flap combined with the temporoparietal fascia and temporal muscle, that is a conventional laterally based pericranial flap (C-PCF). The other was the muscle-sparing type: a laterally based pericranial flap combined with the temporoparietal fascia, but sparing and preserving the temporal muscle (MS-PCF). The first 9 patients were reconstructed with a C-PCF and the latter 10 patients were reconstructed with an MS-PCF.
RESULTS: There was no significant difference between C-PCF and MS-PCF as regards reconstructive time and postoperative hospital stay. In addition, there was no significant difference between C-PCF and MS-PCF in regard to perioperative complications. The rate of temporal hollowing did not reach a significant difference; MS-PCF patients tended to have less temporal hollowing (10%) compared with C-PCF patients (55.6%).
DISCUSSION: An MS-PCF could provide safe and reliable skull base reconstruction without lengthening reconstructive time or increasing complications. Moreover, an MS-PCF improves the esthetical results of surgery on skull base patients and provides an extra option for other reconstructive procedures by preserving the temporal muscle.

PMID: 27159855 [PubMed - as supplied by publisher]

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