Surgical Correction of Metopic Craniosynostosis: A 3-D Photogrammetric Analysis of Cranial Vault Outcomes

Linden, Olivia E.; Baratta, Vanessa; Gonzalez, Jose A.; Byrne, Margaret E.; Klinge, Petra M.; Sullivan, Stephen R.; Taylor, Helena O.

doi:10.1177/1055665618775729

Cited by 11 publications

(17 citation statements)

References 17 publications

(23 reference statements)

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“…Cellprene™ was also evaluated in a bone environment, during studies aiming at more effective and less damaging treatment of craniosynostosis . Main treatment consists of osteotomy of these sutures and sequentially use of metallic springs for cranial expansion purposes . The idea of replacing the metallic springs with polymeric springs seeks the application of a material that will be better tolerated and posteriorly absorbed by the body, avoiding the need of a second surgical procedure to extract the device .…”

Section: Introductionmentioning

confidence: 99%

“…[27][28][29] Main treatment consists of osteotomy of these sutures and sequentially use of metallic springs for cranial expansion purposes. [30][31][32] The idea of replacing the metallic springs with polymeric springs seeks the application of a material that will be better tolerated and posteriorly absorbed by the body, avoiding the need of a second surgical procedure to extract the device. 33 Evaluating the cranial response in rats (Wistar) and rabbits (New Zealand), the springs made of PLGA/PI showed proper expansion of interbone space, biocompatibility with the bone environment and neovascularisation of areas surrounding the device.…”

Section: Introductionmentioning

confidence: 99%

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In vitro evaluation of poly (lactic‐co‐glycolic acid)/polyisoprene fibers for soft tissue engineering

et al. 2016

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

In vitro evaluation of poly (lactic‐co‐glycolic acid)/polyisoprene fibers for soft tissue engineering

et al. 2016

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“…Three-dimensional color mapping is an excellent and intuitive description of whole head contour (Le et al, 2014; Cho et al, 2018). Two-dimensional arcs with vectors at set increments have previously been calculated from 3D photography (Linden et al, 2019). Our study adapted this previous 2D arc study and supplied 3D average image contours.…”

Section: Discussionmentioning

confidence: 99%

“…Analysis was performed by comparing patients in each treatment group to each other and as well as over time. Linden et al (2019) used 9 landmarks, 10 mm apart, in an arc along the contour of forehead in the axial plane to analyze head shape changes in MCS (Linden et al, 2019). However, when replicating their method in preparation for this study, we found the landmarks only described the flat midline portion of the forehead at 1 year postop.…”

Section: Methodsmentioning

confidence: 99%

Comparison of Head Shape Outcomes in Metopic Synostosis Using Limited Strip Craniectomy and Open Vault Reconstruction Techniques

Pressler

Hallac

Geisler

et al. 2020

The Cleft Palate-Craniofacial Journal

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Aim: Metopic craniosynostosis (MCS), with its trigonocephalic head shape, is often treated with either limited incision strip craniectomy (LISC) followed by helmet orthotic treatment, or open cranial vault reconstruction techniques (OCVR). There is controversy regarding resultant shape outcomes among craniofacial surgeons. Those adverse to LISC claim normal head shape is never attained, while proponents believe there is gradual correction to an equivalent outcome. This study aims to quantitate, over time, the three-dimensional (3D) head shapes in patients who have undergone LISC or OCVR intervention for MCS. Methods: Sixty-three 3D images of 26 patients with MCS were analyzed retrospectively. Head shape analyses were performed at: (1) preoperative, (2) 1-month postoperative, (3) 10 to 14 months postoperative (1 year), and (4) 2 years postoperative. Composite 3D head shapes of patients were compared at each time point. Two-dimensional (2D) standardized cross sections of the forehead were also compared. Results: Composite head shapes for both groups were nested, to allow visual comparison as the child’s forehead grows and expands. The difference between LISC and OCVR 2D cross sections was calculated; 108.26 mm preoperatively, 127.18 mm after 1-month postoperative, 51.05 mm after 10 to 14 months postoperative, and 27.03 mm after 2 years postoperative. Conclusions: This study found excellent head shape outcomes for both the LISC and OCVR techniques at 2 years of age. It also corroborates the slow and progressive improvement in head shape with the LISC technique. This study highlights the advantages of 3D photography for measurement of contour outcomes, utilizing both 2D vector and 3D whole head analytical techniques.

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“…The measurements are restricted to liner distances, angles, and area calculations of the body surface; and they take a considerable amount of time. However, direct measurements are reliable, inexpensive to conduct, and have a vast normative database for reference [10,13,14,15].…”

Section: Introductionmentioning

confidence: 99%

Virtual anthropology? Reliability of three-dimensional photogrammetry as a forensic anthropology measurement and documentation technique

et al. 2020

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Establishing the identity of unknown remains is a vital role of forensic anthropology. While establishing identity is generally straightforward due to conventional methods of identification like DNA analysis, sometimes these methods are not applicable in the case of remains that are heavily skeletonized, severely decomposed or severely charred. In such instances, a forensic anthropologist will be called upon. The role of the forensic anthropologist is to aid in the identification of remains when conventional methods such as DNA and fingerprinting are not applicable. They may also be required to collaborate with other experts like forensic odontologists in order to attain a positive identification. A number of methods are available to the anthropologist that can aid in achieving identification: comparative radiography, nonimaged records, craniofacial superimposition, dental comparison and craniofacial reconstruction. All the methods except nonimaged records require imaging, either in two dimensions or three dimensions. Three-dimensional imaging is quickly becoming a vital tool for reconstruction, comparison, and analysis in forensic science. It has found applications in road accident reconstruction, facial reconstruction, comparison of patterned injuries to the injury-inflicting instruments, and anthropometry. The main three-dimensional imaging methods utilized in the forensic field are photogrammetry, laser scanning and radiological scanning (computed tomography (CT) and magnetic resonance imaging (MRI)), with forensic three-dimensional/computer aided design (3D/CAD)-supported photogrammetry being the method that is primarily used due to its low cost, rapid results, does not need expertise to operate, has no radiation risks and, above all, the record is permanent. Regardless of this, CT and MRI are more established methods and are widely used in a variety of industries 4 The purpose of this paper is to compare and contrast the three-dimensional imaging methods currently employed in forensic science on the basis of reliability, reproducibility, and accuracy; with an ultimate aim of validating photogrammetry as an analytical and documentation method of forensic science.

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Surgical Correction of Metopic Craniosynostosis: A 3-D Photogrammetric Analysis of Cranial Vault Outcomes

Abstract: Preoperative metopic forehead contours varied significantly from postoperative contours. Cranial reconstructions approximated the foreheads of normal controls, and reconstructions were stable at more than 1-year follow-up.

Cited by 11 publications

References 17 publications

In vitro evaluation of poly (lactic‐co‐glycolic acid)/polyisoprene fibers for soft tissue engineering

In vitro evaluation of poly (lactic‐co‐glycolic acid)/polyisoprene fibers for soft tissue engineering

Comparison of Head Shape Outcomes in Metopic Synostosis Using Limited Strip Craniectomy and Open Vault Reconstruction Techniques

Virtual anthropology? Reliability of three-dimensional photogrammetry as a forensic anthropology measurement and documentation technique

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