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Lucas KDA, Kassab S, de Souza RG, Inpanbutr N, Pereira-Sampaio MA, Carvalho YK. Three-dimensional models of physeal fractures in the femur for the teaching of veterinary medicine. Acta Cir Bras 2024; 39:e395424. [PMID: 39109784 PMCID: PMC11299386 DOI: 10.1590/acb395424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2024] [Accepted: 07/01/2024] [Indexed: 08/11/2024] Open
Abstract
PURPOSE To develop and assess three-dimensional models of physeal fractures in dog femurs (3D MPFDF) using radiographic imaging. METHODS The study was conducted in three phases: development of 3D MPFDF; radiographic examination of the 3D MPFDF; and comparative analysis of the anatomical and radiographic features of the 3D MPFDF. RESULTS The base model and the 3D MPFDF achieved high fidelity in replicating the bone structures, accurately maintaining the morphological characteristics and dimensions such as length, width, and thickness, closely resembling natural bone. The radiographs of the 3D MPFDF displayed distinct radiopaque and radiolucent areas, enabling clear visualization of the various anatomical structures of the femur. However, in these radiographs, it was challenging to distinguish between the cortical and medullary regions due to the use of 99% internal padding in the printing process. Despite this limitation, the radiographs successfully demonstrated the representation of the Salter-Harris classification. CONCLUSIONS This paper presents a pioneering project focused on technological advancement aimed at developing a method for the rapid and cost-effective production of three-printed models and radiographs of physeal fractures in dogs.
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Affiliation(s)
- Kleber dos Anjos Lucas
- Universidade Federal do Acre – Centro de Ciências Biológicas e da Natureza – Rio Branco (AC) – Brazil
| | - Siham Kassab
- Universidade Federal do Acre – Centro de Ciências Biológicas e da Natureza – Rio Branco (AC) – Brazil
| | - Rodrigo Gomes de Souza
- Universidade Federal do Acre – Centro de Ciências Biológicas e da Natureza – Rio Branco (AC) – Brazil
| | - Nongnuch Inpanbutr
- The Ohio State University – Department of Veterinary Clinical Sciences – Columbus (OH) – United States of America
| | - Marco Aurélio Pereira-Sampaio
- Universidade do Estado do Rio de Janeiro – Urogenital Research Unit – Rio de Janeiro (RJ) – Brazil
- Universidade Federal Fluminense – Department of Morphology – Niterói (RJ) – Brazil
| | - Yuri Karaccas Carvalho
- Universidade Federal do Acre – Centro de Ciências Biológicas e da Natureza – Rio Branco (AC) – Brazil
- Universidade Federal Fluminense – Department of Pathology and Veterinary Clinic – Niterói (RJ) – Brazil
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Lobo Moraes P, Ghisi L, Paes de Barros AJB, de Carvalho Peixoto VH, Brandini Népoli PE, Moleta Colodel E, Souza de Lima LF, Lopes de Souza R. SimuVet: a preliminary study of the innovative development of a simulator for epidural anesthesia training in dogs. Front Vet Sci 2024; 11:1322871. [PMID: 38988978 PMCID: PMC11234840 DOI: 10.3389/fvets.2024.1322871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 05/17/2024] [Indexed: 07/12/2024] Open
Abstract
Epidural anesthesia in dogs is a locoregional anesthesia technique used in veterinary medicine, becoming an important integrated application in the anesthetic protocol to provide safer and more effective analgesia to patients. For this, professionals must adhere to rigorous guidelines and possess technical skills. In this context, in veterinary education, the development of practical clinical skills represents a crucial aspect in the training of these professionals. However, traditional teaching methods have proven insufficient to ensure a consistent level of competence among recent graduates. The introduction of non-animal alternatives for educational purposes has contributed to the development of simulation-based teaching, an innovative and accessible field capable of enhancing pre-clinical proficiency in students and reducing the use of live animals and cadavers. Despite its application in various areas of veterinary education, there are no conclusive results regarding the development of accessible simulators capable of effectively enhancing training in epidural anesthesia in dogs. Therefore, this article represents a pioneering study aimed at sharing a method for creating SimuVet, a realistic simulator for training epidural anesthesia in dogs. The simulator was fully developed by veterinary researchers with limited experience in 3D printing and, after preliminary analysis, demonstrated excellent performance and ultrasonographic anatomy. Future work will focus on the formal validation of this simulator with the aim of improving the teaching and learning process for students and experts in performing epidural anesthesia in companion animals.
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Affiliation(s)
- Paloma Lobo Moraes
- Small Animal Surgical Center, Veterinary Hospital, Federal University of Mato Grosso (HOVET/UFMT), Cuiabá, Brazil
| | - Lianna Ghisi
- Small Animal Surgical Center, Veterinary Hospital, Federal University of Mato Grosso (HOVET/UFMT), Cuiabá, Brazil
| | - Anna Júlia B Paes de Barros
- Small Animal Surgical Center, Veterinary Hospital, Federal University of Mato Grosso (HOVET/UFMT), Cuiabá, Brazil
| | | | | | - Edson Moleta Colodel
- Small Animal Surgical Center, Veterinary Hospital, Federal University of Mato Grosso (HOVET/UFMT), Cuiabá, Brazil
| | - Luiz Felipe Souza de Lima
- Small Animal Surgical Center, Veterinary Hospital, Federal University of Mato Grosso (HOVET/UFMT), Cuiabá, Brazil
| | - Roberto Lopes de Souza
- Small Animal Surgical Center, Veterinary Hospital, Federal University of Mato Grosso (HOVET/UFMT), Cuiabá, Brazil
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Jiang N, Jiang Z, Huang Y, Sun M, Sun X, Huan Y, Li F. Application of augmented reality models of canine skull in veterinary anatomical education. ANATOMICAL SCIENCES EDUCATION 2024; 17:546-557. [PMID: 38238283 DOI: 10.1002/ase.2372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 11/29/2023] [Accepted: 12/07/2023] [Indexed: 04/04/2024]
Abstract
Veterinary anatomy plays a crucial role in the curriculum for veterinary medicine and surgery. The integration of modern information technology in veterinary education can greatly benefit from innovative tools such as augmented reality (AR) applications. The aim of this study was to develop an accurate and interactive three-dimensional (3D) digital model of an animal skull using AR technology, aiming to enhance the learning of skull anatomy in veterinary anatomy education. In this study, a canine skull specimen was isolated, and the skull bones were scanned using a structured light scanner to create a 3D digital model of the canine skull, which was found to be indistinguishable from the original specimen by measurement of skull proportions. Furthermore, the interactive AR model of the canine skull, displayed using Unity3D, was subjected to testing and evaluation by 60 first-year veterinary medical students attending the gross anatomy of the animal. The students were divided into two groups: the traditional group and AR group. Both groups completed an objective test and a questionnaire. The evaluation of learning effectiveness in the test revealed no significant difference between the traditional group (which learned using textbooks and a canine skull specimen) and AR group (which learned using AR tools). However, in the questionnaire, students displayed high enthusiasm and interest in using the AR tool. Therefore, the application of AR tools can improve students' motivation for learning and enhance the comprehension of anatomical structures in three dimensions. Furthermore, this study exemplifies the use of AR as an auxiliary tool for teaching and learning in veterinary anatomy education.
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Affiliation(s)
- Nan Jiang
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, People's Republic of China
| | - Zhongling Jiang
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, People's Republic of China
| | - Yufeng Huang
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, People's Republic of China
| | - Mingju Sun
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, People's Republic of China
| | - Xuejing Sun
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, People's Republic of China
| | - Yanjun Huan
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, People's Republic of China
| | - Fangzheng Li
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, People's Republic of China
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Kapoor K. 3D visualization and printing: An "Anatomical Engineering" trend revealing underlying morphology via innovation and reconstruction towards future of veterinary anatomy. Anat Sci Int 2024; 99:159-182. [PMID: 38236439 DOI: 10.1007/s12565-023-00755-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 12/14/2023] [Indexed: 01/19/2024]
Abstract
The amalgamation of veterinary anatomy, technology and innovation has led to development of latest technological advancement in the field of veterinary medicine, i.e., three-dimensional (3D) imaging and reconstruction. 3D visualization technique followed by 3D reconstruction has been proven to enhance non-destructive 3D visualization grossly or microscopically, e.g., skeletal muscle, smooth muscle, ligaments, cartilage, connective tissue, blood vessels, nerves, lymph nodes, and glands. The core aim of this manuscript is to document non-invasive 3D visualization methods being adopted currently in veterinary anatomy to reveal underlying morphology and to reconstruct them by 3D softwares followed by printing, its applications, current challenges, trends and future opportunities. 3D visualization methods such as MRI, CT scans and micro-CT scans are utilised in revealing volumetric data and underlying morphology at microscopic levels as well. This will pave a way to transform and re-invent the future of teaching in veterinary medicine, in clinical cases as well as in exploring wildlife anatomy. This review provides novel insights into 3D visualization and printing as it is the future of veterinary anatomy, thus making it spread to become the plethora of opportunities for whole veterinary science.
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Affiliation(s)
- Kritima Kapoor
- Department of Veterinary Anatomy, College of Veterinary Science, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, 141004, Punjab, India.
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İşbilir F, Güzel BC. Morphometric analysis of the mandible of ram and ewe romanov sheep (Ovis aries) with 3D modelling: A CT study. Anat Histol Embryol 2023; 52:742-751. [PMID: 37158331 DOI: 10.1111/ahe.12932] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 04/26/2023] [Accepted: 04/26/2023] [Indexed: 05/10/2023]
Abstract
2D images view hardly measurement points due to the overlap of anatomical features. This challenge is overcome by 3D modelling. In particular, images obtained by computed tomography are converted into 3D models through certain software. In sheep breeds with high polymorphism, some changes have occurred in their morphology due to both environmental and genetic factors. In this context, determining the osteometric measurements of sheep and revealing breed-specific characteristics provide very important data for forensic, zooarchaeological, and developmental sciences. Mandibular reconstruction measurements are used to reveal differences between species and between sexes and for treatment and surgery in many fields of medicine. In the present study, morphometric characteristics were determined by 3D modelling from computed tomography images obtained from mandibles of Romanov ram and ewe. For this purpose, mandibles of 16 Romanov sheep (eight females and eight males) were used. They were scanned using a 64-detector MDCT device at 80 kV, 200 MA, 639 mGY, and 0.625 mm slice thickness. CT scans were recorded in DICOM format. Reconstructions of the images were made using a special software program. Volume and surface area measurements were made with 22 osteometric parameters of the mandible. GOC-ID had a statistically significant positive correlation with GOC-ID, PC-ID, GOC-MTR, GOC-PTW, GOC-FMN, PMU, MDU, PDU, DU, GOV-PC, GOV-IMD, MTR-MH, MO-MH, FMN- ID, BM, MG, and CG (p < 0.01). GOC-ID had a statistically significant correlation with MTR-ID, GOV-CR, PTW-MH and SI (p < 0.05). When the CR-PC measurement point was examined, it was observed that it had no statistically significant correlation with all measurement points (p > 0.05). As a result of the measurement, it was found that the volume and surface areas were higher in rams than in ewes. The morphometric data obtained would be a reference income in the fields of zoo-archaeology, anatomy, forensics, anaesthesia, surgery, and treatment.
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Affiliation(s)
- Fatma İşbilir
- Department of Anatomy, Faculty of Veterinary Medicine, Siirt University, Siirt, Turkey
| | - Barış Can Güzel
- Department of Anatomy, Faculty of Veterinary Medicine, Siirt University, Siirt, Turkey
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Tan L, Wang Z, Jiang H, Han B, Tang J, Kang C, Zhang N, Xu Y. Full color 3D printing of anatomical models. Clin Anat 2022; 35:598-608. [PMID: 35384062 DOI: 10.1002/ca.23875] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 03/20/2022] [Accepted: 03/31/2022] [Indexed: 11/09/2022]
Abstract
INTRODUCTION We propose an effective method for manufacturing human anatomical specimens in response to the shortage of cadaver specimens and the poor simulation results of anatomical specimen substitutes. METHODS Digital human data with high precision were used to create digital models and corresponding mapped textures. Different materials were chosen to print the digital models with full-color and multimaterial 3D-printing technology on the basis of the histological characteristics of the anatomical structures. Anatomy experts and surgeons were then invited to compare the 3D printed models with authentic anatomical specimens in terms of morphological appearance, anatomical detail, and textural properties. RESULTS The skull, brain, hand muscles, blood vessels and nerves of the hand, and the deep structure of the head and face were printed. The skull model used hard material, and the brain and hand muscles models used flexible and hard materials combined. The blood vessels, nerves of the hand, and the superficial and deep structure of the head and face used transparent materials, revealing the small vessels and nerves in the interior. In all the models there were no significant differences from anatomical specimens in morphological appearance and anatomical detail. They also affected vision and touch in the same way as authentic specimens in the textural properties of color, roughness, smoothness, and fineness. CONCLUSION Full-color and multi-material 3D printed anatomical models have the same visual and tactile properties as anatomical specimens and could serve to complement or supplement them in anatomy teaching to compensate for the shortage of cadavers. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Liwen Tan
- Shandong Digihuman Technology Co., Inc. JiNan, 250100, China
| | - Zengtao Wang
- Hand and Foot Surgery, Shandong Provincial Hospital affiliated to Shandong University, JiNan, China
| | - Hongxin Jiang
- Department of Radiology, the Gucheng Hospital, Hebei, China
| | - Bing Han
- Shandong Digihuman Technology Co., Inc. JiNan, 250100, China
| | - Jing Tang
- Shandong Digihuman Technology Co., Inc. JiNan, 250100, China
| | - Chengfeng Kang
- Shandong Digihuman Technology Co., Inc. JiNan, 250100, China
| | - Na Zhang
- Shandong Digihuman Technology Co., Inc. JiNan, 250100, China
| | - Yifa Xu
- Shandong Digihuman Technology Co., Inc. JiNan, 250100, China
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da Silveira EE, da Silva Lisboa Neto AF, Carlos Sabino Pereira H, Ferreira JS, Dos Santos AC, Siviero F, da Fonseca R, de Assis Neto AC. Canine Skull Digitalization and Three-Dimensional Printing as an Educational Tool for Anatomical Study. JOURNAL OF VETERINARY MEDICAL EDUCATION 2021; 48:649-655. [PMID: 33226900 DOI: 10.3138/jvme-2019-0132] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
This article aims to standardize 3D scanning and printing of dog skulls for educational use and evaluate the effectiveness of these anatomical printed models for a veterinary anatomy course. Skulls were selected for scanning and creating 3D-printed models through Fused Deposition Modeling using acrylonitrile-butadiene-styrene. After a lecture on skull anatomy, the 3D-printed and real skull models were introduced during the practical bone class to 140 students. A bone anatomy practical test was conducted after a month; it consisted in identifying previously marked anatomical structures of the skull bones. The students were divided into two groups for the exam; the first group of students took the test on the real skulls, whereas the second group of students took the test on 3D-printed skulls. The students' performance was evaluated using similar practical examination questions. At the end of the course, these students were asked to answer a brief questionnaire about their individual experiences. The results showed that the anatomical structures of the 3D-printed skulls were similar to the real skulls. There was no significant difference between the test scores of the students that did their test using the real skulls and those using 3D prints. In conclusion, it was possible to construct a dynamic and printed digital 3D collection for studies of the comparative anatomy of canine skull species from real skulls, suggesting that 3D-digitalized and-printed skulls can be used as tools in veterinary anatomy teaching.
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da Silveira EE, da Silva AF, Neto L, Sabino Pereira HC, Santos Ferreira J, Cesar Dos Santos A, Siviero F, da Fonseca R, de Assis Neto AC. Digitalização e Impressão Tridimensional de Crânio Canino como Ferramenta Educacional para Estudo Anatômico. JOURNAL OF VETERINARY MEDICAL EDUCATION 2021; 48:774-780. [PMID: 34898395 DOI: 10.3138/jvme-2019-0132.pt] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Este trabalho teve como objetivo padronizar a digitalização e impressão 3D de crânios de cães para uso educacional e avaliar a eficácia de modelos anatômicos impressos na disciplina de anatomia do curso de medicina veterinária. Os crânios foram selecionados para escaneamento e criação dos modelos impressos 3D modelados por fusão de deposição (FDM) utilizando acrilonitrila butadieno estireno. Após uma aula teórica sobre anatomia do crânio os modelos impressos 3D e os modelos reais do crânio de cães foram apresentados aos 140 alunos durante a aula prática de ossos. Uma avaliação prática de osteologia foi realizada após um mês que consistiu na identificação de estruturas anatômicas dos ossos do crânio identificados por alfinetes. Os alunos foram divididos em duas turmas para a realização da avaliação; o primeiro grupo fez os testes usando os crânios reais, enquanto o segundo grupo os crânios impressos 3D. O desempenho dos alunos foi avaliado conforme as suas performances no exame prático. No final da disciplina, eles foram convidados a responder a um breve questionário sobre suas experiências individuais. Os resultados do estudo demonstram que as estruturas anatômicas dos crânios impressos 3D eram semelhantes aos crânios reais. Não houve diferença significativa quando se analisou o grau de acertos e erros durante a realização do exame entre aqueles que identificaram as estruturas nos crânios reais ou nos impressos 3D. Conclui-se que é possível construir um acervo dinâmico digital e impresso tridimensional (3D) para estudos da anatomia comparada da espécie canina a partir de crânios reais, e que os crânios 3D podem ser usados como uma excelente ferramenta alternativa ao ensino na anatomia veterinária.
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Ribeiro Gaspar B, de Assis Neto AC. Three-dimensional printing educational anatomical model of the patellar luxation in dogs. PLoS One 2021; 16:e0255288. [PMID: 34329358 PMCID: PMC8323952 DOI: 10.1371/journal.pone.0255288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 07/13/2021] [Indexed: 11/18/2022] Open
Abstract
Background Few studies are available for assessing the current situation of 3D printing in veterinary medicine, due to the recent popularization of this technology. This study aimed to simulate a 3D model of the femorotibiopatellar joint of dogs based on the medial patellar luxation. The scanning, editing and printing of the femur, tibia, fibula and patella of a dog from the Laboratory of Anatomy of FMVZ USP were performed. Results Three femorotibiopatellar joint models were printed: one representing a healthy join without alterations; the second one with the medially deviated tibial tuberosity; and a last one representing the shifted tibial tuberosity and the trochlear sulcus flattened as consequence. The 3D edition consisted of medial rotation of the tibia and tibial tuberosity (22° against the healthy tibia), and the flatten of the medial femoral condyle (0.2 cm) and femoral trochlear groove. After printing, the corresponding measurements were taken with the alterations and the bone models were made with elastics to represent the anatomical components of the dog joint. Finally, the measurements corresponding to the distance from the patellar ligament to the lateral femoral condyle were taken in each specimen, in order to observe the change in position of the ligament according to the occurrence of the bone alterations. Conclusion We printed 3D articular anatomical components of the femurotibiopatellar joint that could be valuable educational tools for the study of medial patellar luxation in dogs.
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Affiliation(s)
- Beatriz Ribeiro Gaspar
- Department of Surgery, School of Veterinary Medicine and Animal Science, University of Sao Paulo, São Paulo, Brazil
| | - Antonio Chaves de Assis Neto
- Department of Surgery, School of Veterinary Medicine and Animal Science, University of Sao Paulo, São Paulo, Brazil
- * E-mail:
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Radiogrametric Analysis of the Thoracic Limb Phalanges in Arabian Horses and Thoroughbred Horses. Animals (Basel) 2021; 11:ani11082205. [PMID: 34438663 PMCID: PMC8388425 DOI: 10.3390/ani11082205] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 07/20/2021] [Accepted: 07/23/2021] [Indexed: 12/28/2022] Open
Abstract
In this study, it was aimed to determine the statistical differences between Arabian horses and Thoroughbred horses based on X-ray images of forelimb digital bones. Latero-medial X-ray images of digital bones of thoracic limbs were taken of 25 Arabian horses and 50 Thoroughbred healthy horses. The difference between males and females within the breed was statistically analyzed as well. Nine measurements and three indexes taken from phalanges of thoracic limbs were used. Thoroughbred horses did not differ significantly between sexes, as indicated by the ANOVA. For the Arabian horses, the length of the middle of the proximal phalanx (p < 0.05), the length of the middle of the middle phalanx (p < 0.001), and the length of the dorsal surface of the distal phalanx (p < 0.05) measurement points were found to be differentiated between sexes. In the analysis made between Thoroughbred horses and Arabian horses with no respect to sex, the critical measurement was the depth of the caput of the proximal phalanx. The discriminant analysis enabled the correct classification of 89.33% of the proximal phalanx samples to the exact breed. The correct classification rate was 77.33% in the case of middle phalanx and 54.67% in the case of distal phalanx. Measurement results of the distal phalanx were found to be insignificant between both breeds and sexes. The radiological measurements of digital bones showed that sexual dimorphism was not too expressed and that decisive differences were found between the breeds.
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Rodrigues KEM, Lucas KDA, Cordeiro ALL, Silva RPM, Santos FGDA, de Carvalho YK. 3D models of nonunion fractures in long bones as education tools. BRAZILIAN JOURNAL OF VETERINARY MEDICINE 2021; 43:e114820. [PMID: 35749084 PMCID: PMC9179198 DOI: 10.29374/2527-2179.bjvm114820] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 10/23/2020] [Indexed: 11/05/2022] Open
Abstract
The appearance of fracture complications can present itself as a difficult scenario in a veterinarian's practice, and it can be difficult to diagnose and have a poor prognosis. The recognition of the different types of nonunion fractures can enable quick guidance on the best way to act, thus reducing the cost of treatment and the patient's suffering. The objective of this study was to create 3D models of nonunion fractures in long bones (3D NUFs). The study was carried out in three stages: 1) creating biscuit models from representations of nonunion fractures; 2) scanning the biscuit models of nonunion fractures and 3D modeling; and 3) printing and finishing the 3D models of nonunion fractures (hereafter, 3D NUFs). The creation of biscuit prototypes and the respective digitalization were decisive in producing 3D NUFs, which reproduced the main characteristics of each type of nonunion fracture classification described in the literature. It took 31.1 hours to create and print all 3D NUFs using 95.66 grams of filament (ABS) for a total cost of $3.73. The creation of 3D NUFs from the biscuit dough presented a new way of obtaining didactic models for the teaching of veterinary medicine. The 3D NUFs represent the different forms of low-cost manifestations that characterize this disease, which can be used as a possible teaching-learning tool for veterinary education.
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Affiliation(s)
- Katriny Elifelina Monteiro Rodrigues
- Undergraduate in Veterinary Medicine, Centro de Ciência Biológicas e da Natureza (CCBN), Universidade Federal do Acre (UFAC), Rio Branco, AC, Brasil
| | - Kleber dos Anjos Lucas
- Undergraduate in Veterinary Medicine, Centro de Ciência Biológicas e da Natureza (CCBN), Universidade Federal do Acre (UFAC), Rio Branco, AC, Brasil
| | - Andrey Luiz Lopes Cordeiro
- Veterinarian, MSc. Programa de Pós-Graduação Sanidade e Produção Animal Sustentável na Amazônia Ocidental (PPGESPA), CCBN, UFAC, Rio Branco, AC, Brasil
| | - Romeu Paulo Martins Silva
- Physical educator, DSc., Departamento de Biotecnologia, Universidade Federal do Catalão (UFCAT), Catalão, GO, Brasil
| | | | - Yuri Karaccas de Carvalho
- Veterinarian, DSc., CCBN, UFAC, Rio Branco, AC, Brasil
- Correspondence Yuri Karaccas de Carvalho Centro de Ciências Biológicas e da Natureza, Universidade Federal do Acre - UFAC Rodovia BR 364, Km 04, Distrito Industrial CEP 69920-900 - Rio Branco (AC), Brasil E-mail:
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Li QY, Zhang Q, Yan C, He Y, Phillip M, Li F, Pan AH. Evaluating phone camera and cloud service-based 3D imaging and printing of human bones for anatomical education. BMJ Open 2020; 10:e034900. [PMID: 32041863 PMCID: PMC7044880 DOI: 10.1136/bmjopen-2019-034900] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
OBJECTIVE To evaluate the feasibility of a phone camera and cloud service-based workflow to image bone specimens and print their three-dimensional (3D) models for anatomical education. DESIGN The images of four typical human bone specimens, photographed by a phone camera, were aligned and converted into digital images for incorporation into a digital model through the Get3D website and submitted to an online 3D printing platform to obtain the 3D printed models. The fidelity of the 3D digital, printed models relative to the original specimens, was evaluated through anatomical annotations and 3D scanning. SETTING The Morphologic Science Experimental Center, Central South University, China. PARTICIPANTS Specimens of four typical bones-the femur, rib, cervical vertebra and skull-were used to evaluate the feasibility of the workflow. OUTCOME MEASURES The gross fidelity of anatomical features within the digital models and 3D printed models was evaluated first using anatomical annotations in reference to Netter's Atlas of Human Anatomy. The measurements of the deviation were quantised and visualised for analysis in Geomagic Control 2015. RESULTS All the specimens were reconstructed in 3D and printed using this workflow. The overall morphology of the digital and 3D printed models displayed a large extent of similarity to the corresponding specimens from a gross anatomical perspective. A high degree of similarity was also noticed in the quantitative analysis, with distance deviations ≤2 mm present among 99% of the random sampling points that were tested. CONCLUSION The photogrammetric digitisation workflow adapted in the present study demonstrates fairly high precision with relatively low cost and fewer equipment requirements. This workflow is expected to be used in morphological/anatomical science education, particularly in institutions and schools with limited funds or in certain field research projects involving the fast acquisition of 3D digital data on human/animal bone specimens or on other remains.
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Affiliation(s)
- Qing-Yun Li
- Department of Human Anatomy and Neurobiology, and Morphologic Science Experimental Center, School of Basic Medical Science, Central South University, Changsha, China
- Class of 2020, Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Qi Zhang
- Department of Human Anatomy and Neurobiology, and Morphologic Science Experimental Center, School of Basic Medical Science, Central South University, Changsha, China
| | - Chun Yan
- Department of Human Anatomy and Neurobiology, and Morphologic Science Experimental Center, School of Basic Medical Science, Central South University, Changsha, China
| | - Ye He
- Aier School of Ophthalmology, Central South University, Changsha, China
| | - Mukuze Phillip
- Class of 2020, Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Fang Li
- Department of Human Anatomy and Neurobiology, and Morphologic Science Experimental Center, School of Basic Medical Science, Central South University, Changsha, China
| | - Ai-Hua Pan
- Department of Human Anatomy and Neurobiology, and Morphologic Science Experimental Center, School of Basic Medical Science, Central South University, Changsha, China
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