Craneoplastia con polimetilmetacrilato - 3D

Craneoplastia con polimetilmetacrilato - 3D

🎙 Dr. Jose Daniel Flores Sanchez 👥 767 📅 October 31, 2025 ⏱ 15 min 👁 12 📄 original study 🧭 2026-08-13
Available in: English (current) Français

Keywords

cranioplastypolymethyl methacrylate3D moldpediatriccost-effectiveness

Summary

This presentation by Dr. Jose Daniel Flores Sanchez, a pediatric neurosurgeon, describes a cost-effective technique for cranioplasty using polymethyl methacrylate (PMMA) and a personalized 3D-printed mold. The study, published in World Neurosurgery, reports on five pediatric patients with large cranial defects due to trauma. The technique involves virtual planning from CT scans, 3D printing an ABS mold, sterilizing it with ethylene oxide, and then shaping PMMA intraoperatively to create a custom implant. Results show no postoperative complications, good aesthetic and functional outcomes, and significant cost and time savings compared to imported computer-aided design (CAD) implants. The cost was approximately $350 versus $10,000-$15,000 for imported implants, and the waiting time was 5-7 days versus up to 45 days. The technique is particularly beneficial for low- and middle-income countries. The presentation includes case examples and a discussion of alternative materials like PEEK and titanium mesh.

143 words

Critical Evaluation

Value of the Information & Strength of the Argument

The value of the information is high, as it presents a novel, low-cost solution for a common neurosurgical problem in resource-limited settings. The argumentation is solid, supported by a published study and clear clinical outcomes. The speaker systematically explains the technique, patient selection, and results, and compares it with existing alternatives. The cost-effectiveness analysis is compelling, showing a 95-97% reduction in cost and an 80% reduction in waiting time. However, the small sample size (5 cases) and lack of long-term follow-up limit the strength of the conclusions.

Scientific Rigor, Source Quality, Title Accuracy

The scientific rigor is good: the study was published in a Q1 journal, and the methodology is clearly described. The speaker cites relevant literature on cranioplasty materials and techniques, though specific references are not detailed. The title accurately reflects the content. The presentation is well-structured and evidence-based, with no obvious biases. The main limitation is the small case series, which is acknowledged by the speaker.

167 words

Title / Content Match

The title accurately reflects the content, which focuses on cranioplasty using PMMA with a 3D-printed mold.

Quality & Reliability

8/10

The presentation is based on a peer-reviewed study published in a Q1 journal (World Neurosurgery), with clear methodology and results. The speaker is a practicing neurosurgeon with relevant expertise. The study is a case series with a small sample size (5 patients), which limits generalizability, but the data and techniques are presented transparently.

Key Moments

Cited Sources

  • World Neurosurgery — Journal where the study was published.

Concurring Sources

  • World Neurosurgery — Peer-reviewed publication of the study.

Contribution & Novelties

This presentation offers a novel, low-cost technique for cranioplasty in pediatric patients, which is particularly relevant for resource-limited settings. The use of a 3D-printed mold with PMMA is not entirely new, but this is the first reported series in children, demonstrating feasibility and good outcomes. The cost-effectiveness analysis provides strong evidence for adoption in low- and middle-income countries.

Pour aller plus loin :

  • Cranioplasty — Overview of the procedure and materials.
  • Polymethyl methacrylate — Properties and uses in medicine.
  • 3D printing in medicine — Applications and benefits.
  • PEEK — Alternative implant material.

92 words

Radar Profile

The radar profile shows high scores in quality of information, technical level, and reliability, with a slightly lower score in quantity of information due to the short duration and limited number of cases. This indicates a focused, expert presentation with strong scientific backing.

Reliability 8/10