Evidence map›Paper›PMID 34422590›Full record

ArticleGland surgery2021

3D-printed, patient-specific DIEP flap templates for preoperative planning in breast reconstruction: a prospective case series.

Michael P Chae, David J Hunter-Smith, Ru Dee Chung, Julian A Smith, Warren Matthew Rozen

Open access · diamondAbstract read
In one paragraph

Article in Gland surgery, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
3.8field-weighted citation impact, top 6% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

8 citing papers in PubMed, 25 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 3 institutions in 1 country.

Michael P ChaeDepartment of Surgery, School of Clinical Sciences at Monash Health, Monash University, Level 5, E Block, Monash Medical Centre, Clayton, Victoria, Australia.
David J Hunter-SmithDepartment of Surgery, School of Clinical Sciences at Monash Health, Monash University, Level 5, E Block, Monash Medical Centre, Clayton, Victoria, Australia.
Ru Dee ChungDepartment of Surgery, School of Clinical Sciences at Monash Health, Monash University, Level 5, E Block, Monash Medical Centre, Clayton, Victoria, Australia.
Julian A SmithDepartment of Surgery, School of Clinical Sciences at Monash Health, Monash University, Level 5, E Block, Monash Medical Centre, Clayton, Victoria, Australia.
Warren Matthew RozenDepartment of Surgery, School of Clinical Sciences at Monash Health, Monash University, Level 5, E Block, Monash Medical Centre, Clayton, Victoria, Australia.
Monash University · AUPeninsula Health · AUMonash Medical Centre · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundModern imaging technologies, such as computed tomographic angiography (CTA), can be useful for preoperative assessment in deep inferior epigastric artery perforator (DIEP) flap surgery. Planning perforator flap design can lead to improved surgical efficiency. However, current imaging modalities are limited by being displayed on a two-dimensional (2D) surface. In contrast, a 3D-printed model provides tactile feedback that facilitates superior understanding. Hence, we have 3D-printed patient-specific deep inferior epigastric artery perforator (DIEP) templates, in an affordable and convenient manner, for preoperative planning.

methodsTwenty consecutive patients undergoing 25 immediate or delayed post-mastectomy autologous breast reconstruction with DIEP or muscle-sparing transverse rectus abdominis (MS-TRAM) flaps are recruited prospectively. Using free, open-source softwares (3D Slicer, Autodesk MeshMixer, and Cura) and desktop 3D printers (Ultimaker 3E and Moment), we created a template based on a patient's abdominal wall anatomy from CTA, with holes and lines indicating the position of perforators, their intramuscular course and the DIEA pedicle.

resultsThe mean age of patients was 52 [38-67]. There were 15 immediate and 10 delayed reconstructions. 3D printing time took mean 18 hours and 123.7 g of plastic filament, which calculates to a mean material cost of AUD 8.25. DIEP templates accurately identified the perforators and reduced intraoperative perforator identification by 7.29 minutes (P=0.02). However, the intramuscular dissection time was not affected (P=0.34). Surgeons found the template useful for preoperative marking (8.6/10) and planning (7.9/10), but not for intramuscular dissection (5.9/10). There were no immediate flap-related complications.

conclusionsOur 3D-printed, patient-specific DIEP template is accurate, significantly reduces intraoperative perforator identification time and, hence, may be a useful tool for preoperative planning in autologous breast reconstruction.

Indexed as

3D printingautologous breast reconstructiondeep inferior epigastric artery perforator (DIEP)preoperative planningsurgical template

Identifiers

PMID34422590
PMCPMC8340344
OpenAlexW3173904399

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.