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Inicio Acta Otorrinolaringológica Española Pedicle Flaps Based on the Sphenopalatine Artery: Anatomical and Surgical Study
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Vol. 65. Issue 4.
Pages 242-248 (July - August 2014)
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Vol. 65. Issue 4.
Pages 242-248 (July - August 2014)
Original Article
Pedicle Flaps Based on the Sphenopalatine Artery: Anatomical and Surgical Study
Colgajos pediculados procedentes de la arteria esfenopalatina: estudio anatómico y quirúrgico
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Juan R. Gras-Cabrerizoa,
Corresponding author
jgras@santpau.cat

Corresponding author.
, Juan R. Gras-Albertb, Irene Monjas-Canovasb, Elena García-Garrigósc, Joan R. Montserrat-Gilia, Francisco Sánchez del Campod, Katarzyna Kolanczaka, Humbert Massegur-Solencha
a Servicio de Otorrinolaringología, Hospital de la Santa Creu i Sant Pau, Universidad Autónoma de Barcelona, Barcelona, Spain
b Servicio de Otorrinolaringología, Hospital General Universitario, Universidad Miguel Hernández, Alicante, Spain
c Servicio de Radiología, Hospital General Universitario, Universidad Miguel Hernández, Alicante, Spain
d Unidad de Anatomía y Embriología Humana, Universidad Miguel Hernández, Alicante, Spain
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Figures (5)
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Tables (2)
Table 1. Vascularised Flaps: Length and Width Measurements.
Table 2. Versatility of Each Vascularised Flaps.
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Abstract
Introduction

Local pedicle flaps based on the sphenopalatine artery make it possible to reconstruct large defects of the skull base (SB).

Material and methods

From January 2008 to January 2013, 64 lesions with involvement of SB were analysed. These lesions were treated using endoscopic endonasal approach and required a pedicle flap based on the sphenopalatine artery. In addition, measurements and flexibility of the flaps were examined in 4 cadaveric nasal cavities.

Results

Surgical group. Sixty-four nasoseptal flaps (NSF) were used, in 4 cases associated with a middle turbinate flap (MTF), and in 1 case supplemented with an inferior turbinate flap (ITF). Five cerebrospinal fluid fistulas (8%) were noted. Among patients with initial lesions, 7% presented an anosmia. Cadaveric group. The length of the NSF varied between 5.2cm and 7.7cm and the width ranged from 3cm to 4.5cm. The ITF provided an anterior–posterior distance between 4.2cm and 5cm, with a width between 1.2cm and 2.8cm. The mean length of MTFs varied between 3.5cm and 4.2cm, with a width between 1.4cm and 1.9cm.

Conclusion

The most versatile local flap for the reconstruction of skull base defects is the NSF, and flaps pedicled to the posterolateral nasal artery offer an excellent alternative.

Keywords:
Pedicle flaps
Sphenopalatine artery
Skull base
Endoscopic surgery
Resumen
Introducción

Los colgajos locales pediculados a la arteria esfenopalatina permiten reconstruir amplios defectos de la base del cráneo (BC).

Material y métodos

De enero de 2008 a enero de 2013 se analizaron 64 lesiones con afectación de la BC intervenidos con un abordaje endonasal endoscópico que requirieron una reconstrucción con colgajos locales pediculados a la arteria esfenopalatina.

Adicionalmente se estudiaron cuatro fosas nasales correspondientes a dos cabezas de cadáver donde se analizaron endoscópicamente las medidas y la flexibilidad de cada uno de los colgajos.

Resultados

Grupo quirúrgico. Se emplearon 64 colgajos nasoseptales (CNS), en cuatro casos asociados a un colgajo cornete medio (CCM) y en un caso complementado con un colgajo del cornete inferior (CCI). Se evidenciaron 5 fístulas postquirúrgicas (8%). Un 7% de los pacientes con lesiones iniciales presentaron una anosmia definitiva.

Disección anatómica. La longitud del CNS varió entre 5,2cm y 7,7cm oscilando la anchura entre 3cm y 4,5cm. El CCI presentó una distancia anteroposterior entre 4,2cm y 5cm y una anchura entre 1,2cm y 2,8cm. La longitud media del CCM varió entre 3,5cm y 4,2cm con una anchura entre 1,4cm y 1,9cm.

Conclusión

El CNS es el colgajo local que presenta una mejor versatilidad en el sellado de los defectos craneales, siendo los colgajos pediculados a la arteria nasal posterolateral una excelente alternativa.

Palabras clave:
Colgajos pediculados
Arteria esfenopalatina
Base del cráneo
Cirugía endoscópica

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