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Costal Cartilage Lateral Crural Strut Graft vs Cephalic Crural Turn-in for Correction of External Valve Dysfunction
Henry P Barham1, Anna Knisely1, Jenna Christensen2
1Rhinology and Skull Base Research Group, Applied Medical Research Centre, University of New South Wales and Macquarie University, New South Wales, Australia2Bondi Junction Private Hospital, Bondi Junction, New South Wales, Australia.
Importance:
External nasal valve dysfunction (EVD) is a common cause of nasal obstruction.
Objective:
To evaluate costal cartilage lateral crural strut grafts vs cephalic crural turn-in to support the weak lateral crus in patients with EVD.
Design, Setting, And Participants:
In this prospective cohort study, patients with clinically diagnosed EVD were assessed at the Tertiary Rhinologic Center and underwent a costal cartilage underlay graft to the lateral crus or a cephalic turn-in cruralplasty.
Main Outcomes And Measures:
Assessment of patient benefit was based on 22-Item Sinonasal Outcome Test (SNOT-22) and Nasal Obstruction Symptom Evaluation Scale (NOSE) scores. A Likert scale was also used to assess overall function and cosmesis. Objective assessment included postdecongestion nasal peak inspiratory flow, nasal airway resistance, and minimum cross-sectional area.
Results:
Forty-one patients (mean [SD] 35.38 [12.73] years of age; 25 [61%] female) were assessed. Cephalic turn-in maneuver was used for 25 (61%) patients; costal cartilage lateral crural strut grafts, 16 (39%) patients. Costal cartilage grafts were used in patients undergoing revision but other baseline data were similar. Follow-up was mean 10.58 (7.52) months. All patients had significantly improved visual analog scale, SNOT-22, NOSE, patient-reported function, and cosmesis scores. The only objective test that improved was nasal peak inspiratory flow (114.76 [60.48] L/min vs 126.46 [61.17] L/min; P = .02).
Conclusions And Relevance:
Both techniques were effective in improving patient-reported outcomes and nasal peak inspiratory flow. Both are functionally and cosmetically viable options for correction of EVD.
Level Of Evidence:
2.
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