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Related Experiment Video

Updated: Sep 4, 2025

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Optimizing Fat Grafting Using a Hydraulic System Technique for Fat Processing: A Time and Cost Analysis.

Vincenzo Verdura1, Antonio Guastafierro1, Bruno Di Pace2,3,4

  • 1Multidisciplinary Department of Medical Surgical and Dental Specialties, Plastic Surgery Unit, University of Campania "Luigi Vanvitelli," Naples, Italy.

Archives of Plastic Surgery
|July 14, 2022
PubMed
Summary

This study introduces a hydraulic system technique for fat grafting, establishing volume cutoffs for optimal fat survival, operative time, and cost. The findings guide the selection of standard, 1-track, or 2-tracks systems based on fat volume for efficient procedures.

Keywords:
fat graftingfat washinghydraulic systemlipofillingregenerative surgery

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Area of Science:

  • Plastic Surgery
  • Regenerative Medicine
  • Biomaterials

Background:

  • Optimizing fat grafting for long-term survival and safety remains a challenge, with no standardized protocol currently established.
  • Fat grafting techniques are continuously researched to improve outcomes regarding fat survival rates and patient satisfaction.
  • The relationship between injected fat volume, operative time, and material costs needs optimization for efficient clinical practice.

Purpose of the Study:

  • To design and evaluate a "hydraulic system technique" for fat grafting.
  • To establish specific fat volume cutoffs for single procedures using this technique.
  • To optimize the balance between injected fat quantity, operative time, and material costs.

Main Methods:

  • Thirty-six patients were divided into three groups based on the hydraulic system technique used: standard, "1-track," and "2-tracks".
  • Data collected included harvested and grafted fat volume, material costs, and operative times for each procedure.
  • Statistical analysis was performed to determine the relationship between fat volume and operative time for each system.

Main Results:

  • The standard system treated a mean of 72 mL fat (cost: 4.23 euros).
  • The "1-track" system treated a mean of 183.3 mL fat (cost: 7.63 euros).
  • The "2-tracks" system treated a mean of 311 mL fat (cost: 12.47 euros).
  • Statistically significant time differences emerged: standard vs. "1-track" from 90 mL (17.66 vs. 6.87 min), and "1-track" vs. "2-tracks" from 240 mL (15 vs. 9.3 min).

Conclusions:

  • The standard system is recommended for fat volumes < 90 mL.
  • The "1-track" system is suitable for fat volumes between 90 mL and 240 mL.
  • The "2-tracks" system is indicated for fat volumes ≥ 240 mL, optimizing efficiency and cost.