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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 JRSM+Cardiovasc+Dis
2016 ; 5
(ä): 2048004016645467
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A systematic review of image segmentation methodology, used in the additive
manufacture of patient-specific 3D printed models of the cardiovascular system
#MMPMID27170842
Byrne N
; Velasco Forte M
; Tandon A
; Valverde I
; Hussain T
JRSM Cardiovasc Dis
2016[Jan]; 5
(ä): 2048004016645467
PMID27170842
show ga
BACKGROUND: Shortcomings in existing methods of image segmentation preclude the
widespread adoption of patient-specific 3D printing as a routine decision-making
tool in the care of those with congenital heart disease. We sought to determine
the range of cardiovascular segmentation methods and how long each of these
methods takes. METHODS: A systematic review of literature was undertaken. Medical
imaging modality, segmentation methods, segmentation time, segmentation
descriptive quality (SDQ) and segmentation software were recorded. RESULTS:
Totally 136 studies met the inclusion criteria (1 clinical trial; 80 journal
articles; 55 conference, technical and case reports). The most frequently used
image segmentation methods were brightness thresholding, region growing and
manual editing, as supported by the most popular piece of proprietary software:
Mimics (Materialise NV, Leuven, Belgium, 1992-2015). The use of bespoke software
developed by individual authors was not uncommon. SDQ indicated that reporting of
image segmentation methods was generally poor with only one in three accounts
providing sufficient detail for their procedure to be reproduced. CONCLUSIONS AND
IMPLICATION OF KEY FINDINGS: Predominantly anecdotal and case reporting precluded
rigorous assessment of risk of bias and strength of evidence. This review finds a
reliance on manual and semi-automated segmentation methods which demand a high
level of expertise and a significant time commitment on the part of the operator.
In light of the findings, we have made recommendations regarding reporting of 3D
printing studies. We anticipate that these findings will encourage the
development of advanced image segmentation methods.