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Related Experiment Video

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Structured Surgical Algorithm for Lateral Wall Insufficiency (LWI): A 25-Patient Technical Case Series in Functional

Ezio Maria Nicodemi1, Niccolò Lazzeri Domar2, Gianfranco Schiavone1

  • 1Istituto Dermopatico Immacolata IDI IRCCS FLMM, Rome, Italy.

Aesthetic Plastic Surgery
|January 6, 2026
PubMed
Summary

A new algorithm-driven surgical approach for lateral wall insufficiency (LWI) significantly improved nasal airflow and patient outcomes. This structured method precisely reinforces the nasal wall, offering a promising solution for dynamic nasal obstruction.

Keywords:
Alar batten graftFunctional rhinoplastyLateral wall insufficiencyNasal obstructionNasal valve collapseSeptoplastyTurned-in flap

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Area of Science:

  • Otolaryngology
  • Plastic Surgery
  • Rhinology

Background:

  • Lateral wall insufficiency (LWI) is a primary cause of dynamic nasal obstruction.
  • Existing surgical techniques lack a structured, anatomy-driven approach.
  • This study addresses the need for a standardized surgical strategy for LWI.

Purpose of the Study:

  • To evaluate an algorithm-driven surgical strategy for correcting lateral wall insufficiency (LWI).
  • To assess the efficacy of integrating three techniques: lateral crura turned-in flap, alar batten graft, and alar rim graft.
  • To determine the impact on patient-reported outcomes and nasal airflow.

Main Methods:

  • Retrospective case series of 25 patients with dynamic nasal obstruction due to LWI.
  • Inclusion criteria: internal valve angle <10° or external valve collapse ≥2 mm.
  • Surgical algorithm guided tailored use of three techniques; outcomes assessed via NOSE, SCHNOS, and clinical maneuvers.

Main Results:

  • All 25 patients showed functional improvement post-surgery.
  • Significant improvements in NOSE (72.5 to 22.1) and SCHNOS (33.2 to 11.4) scores (p < 0.05).
  • 15 patients achieved "absent" impairment status; no major complications reported.

Conclusions:

  • An algorithm-driven approach for LWI yields substantial improvements in nasal airflow and patient outcomes.
  • The integrated techniques allow precise, anatomy-based lateral nasal wall reinforcement.
  • This structured strategy is a promising paradigm for functional rhinoplasty.