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Details

Autor(en) / Beteiligte
Titel
The Posterior Septal Nasal Floor Mucosal Flap for Cranial Base Reconstruction
Ist Teil von
  • The Laryngoscope, 2022-08, Vol.132 (8), p.1561-1568
Ort / Verlag
Hoboken, USA: John Wiley & Sons, Inc
Erscheinungsjahr
2022
Quelle
Wiley Online Library
Beschreibungen/Notizen
  • Objective While pedicled intranasal flaps, such as the nasoseptal flap (NSF), successfully reduce postoperative CSF leaks following endoscopic endonasal approaches (EEA) to the skull base, morbidity remains prevalent. This study describes the first cadaveric description and radiographic analysis of the posterior septal nasal floor mucosal flap (PSNF) designed to reduce pedicled nasal flap morbidity. A case series is also detailed. Study Design Cadaveric dissection, radiographic analysis, and case series. Methods Seven cadaver specimens underwent harvest of the PSNF. PSNF flap dimensions were measured on the thirty deidentified sinus computed tomography (CT) scans. A retrospective case series was performed on the first set of patients who received the PSNF for reconstruction of a sellar base defect. Information concerning complications, symptoms, and the appearance of the flap was recorded from records of the patient's postoperative inpatient stay, 1‐week postop visit, and 1‐month postop visit. Results Cadaver dissection of the PSNF flap demonstrated good arc rotation along its pedicle with ability to cover both sellar and planum defects. Cadaveric flap measurements and CT‐derived measurements estimated a mean surface area of 16.7 and 18.3 cm2, respectively. 15 patients underwent reconstruction of a sellar or planum defect using the PSNF technique. Only one CSF leak was encountered postoperatively. Minimal crusting of the flap and donor site was seen 1 month postoperatively. Conclusion The PSNF flap provides a sizeable pedicled region for reconstruction comparable to other pedicled nasal flaps. Our case series demonstrated good postoperative outcomes without reduced donor site morbidity. Level of Evidence 4 Laryngoscope, 132:1561–1568, 2022
Sprache
Englisch
Identifikatoren
ISSN: 0023-852X
eISSN: 1531-4995
DOI: 10.1002/lary.30079
Titel-ID: cdi_proquest_miscellaneous_2634513203

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