A Safe Nonsurgical Rhinoplasty Procedure

Radulesco T, Braccini F, Kestemont P, Winter C, Castillo L, Michel J.

What this paper says

A technique article describing filler rhinoplasty performed through a single entry point using a blunt cannula, which the authors state reduces vascular and infection risk while giving results comparable to needles.

Overview

Filler rhinoplasty carries risks, and although rare, injecting hyaluronic acid into a blood vessel can cause serious complications. The authors state very few reports describe using cannulas for nasal filler. The article describes their method using a single entry point and cannulas, and states it can be applied to all indications for the procedure.

Sections of note

Technique description; the abstract reports no patient numbers, no complication rates and no follow up.
The key point of the method is a single, midline entry point.
A 5 cm, 25 gauge, dome shaped cannula is used.
From that single entry, all nasal regions can be reached, from the anterior nasal spine to the nasion.
The authors state the technique significantly reduces vascular and infection risks.
They state results are similar to those achieved with needles.

What it means for a patient

A blunt cannula pushes blood vessels aside rather than piercing them, which is the basis of the safety claim.
A single entry point means one puncture of the skin rather than several, which the authors link to lower infection risk.
No rates, patient numbers or comparison data support either claim in the abstract.
The claim of results similar to needles is stated rather than measured.

Why this paper matters

Blocked blood vessels are the serious complication of nasal filler, and needle versus cannula is the main technical variable available to reduce that risk. This article describes one standardized cannula method. Whether it reduces complications compared with needles has not been tested here.

Terms

Nonsurgical rhinoplasty: reshaping the nose with injectable filler instead of surgery.
Cannula: a flexible blunt tipped tube used to place filler.
Intravascular injection: filler entering a blood vessel rather than the surrounding tissue.
Anterior nasal spine: the small bony projection at the base of the nose.
Nasion: the point at the root of the nose between the eyes.
Gauge: a measure of needle or cannula diameter; higher numbers are thinner.

Summary written by rhinoplasty.cc from the abstract, 2026-09-09; not medical advice. The authors' own abstract follows.

From the abstract

“although rare, intravascular injections of hyaluronic acid can lead to serious complications. Very few authors have reported using cannulas for filler injection in the nose. The purpose of this article is to describe how the authors perform nonsurgical rhinoplasty using a single entry point and cannulas, significantly…”

Excerpt; the full abstract is on PubMed.