Three-dimensional-printed custom guides for bipolar coxofemoral osteochondral allograft in dogs.

The objective of this experimental study was to develop and evaluate a three-dimensionally printed custom surgical guide system for performing bipolar coxofemoral osteochondral allograft transplantation in dogs. Five cadaver dogs, weighing 20-38 kg were used in the study. Custom surgical guides were...

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Autores principales:	Christina C De Armond, Stanley E Kim, Daniel D Lewis, Adam H Biedryzcki, Scott A Banks, James L Cook, Justin D Keister
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3e5db7e32ba945348e288461173d87d7
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spelling	oai:doaj.org-article:3e5db7e32ba945348e288461173d87d72021-12-02T20:07:21ZThree-dimensional-printed custom guides for bipolar coxofemoral osteochondral allograft in dogs.1932-620310.1371/journal.pone.0244208https://doaj.org/article/3e5db7e32ba945348e288461173d87d72021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0244208https://doaj.org/toc/1932-6203The objective of this experimental study was to develop and evaluate a three-dimensionally printed custom surgical guide system for performing bipolar coxofemoral osteochondral allograft transplantation in dogs. Five cadaver dogs, weighing 20-38 kg were used in the study. Custom surgical guides were designed and three-dimensionally printed to facilitate accurate execution of a surgical plan for bipolar coxofemoral osteochondral allograft transplantation. Guide-assisted technique was compared to freehand technique in each cadaver. Surgical time was recorded and postoperative computed tomography and three-dimensional segmentation was performed. Femoral version and inclination angles, femoral neck length, and gap present at the femoral and acetabular donor-recipient interface was compared between the virtual surgical plan and postoperative outcome for both techniques. One-tailed paired t-test (P < .05) was used for statistical analysis. When compared to free-hand preparation, mean donor femoral preparation time was 10 minutes longer and mean recipient preparation time was 2 minutes longer when using guides (p = 0.011 and p = 0.001, respectively). No difference in acetabular preparation time was noted between groups. Gap volume at the acetabular and femoral donor-recipient interface was not different between groups. Mean difference between the planned and postoperative version angle was 6.2° lower for the guide group when compared to the freehand group (p = 0.025). Mean femoral neck length was 2 mm closer to the plan when using guides than when performing surgery freehand (p = 0.037). Accuracy for femoral angle of inclination was not different between groups. Custom surgical guides warrants consideration in developing bipolar coxofemoral osteochondral allograft transplantation as an alternative surgical technique for managing hip disorders in dogs.Christina C De ArmondStanley E KimDaniel D LewisAdam H BiedryzckiScott A BanksJames L CookJustin D KeisterPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 2, p e0244208 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Christina C De Armond Stanley E Kim Daniel D Lewis Adam H Biedryzcki Scott A Banks James L Cook Justin D Keister Three-dimensional-printed custom guides for bipolar coxofemoral osteochondral allograft in dogs.
description	The objective of this experimental study was to develop and evaluate a three-dimensionally printed custom surgical guide system for performing bipolar coxofemoral osteochondral allograft transplantation in dogs. Five cadaver dogs, weighing 20-38 kg were used in the study. Custom surgical guides were designed and three-dimensionally printed to facilitate accurate execution of a surgical plan for bipolar coxofemoral osteochondral allograft transplantation. Guide-assisted technique was compared to freehand technique in each cadaver. Surgical time was recorded and postoperative computed tomography and three-dimensional segmentation was performed. Femoral version and inclination angles, femoral neck length, and gap present at the femoral and acetabular donor-recipient interface was compared between the virtual surgical plan and postoperative outcome for both techniques. One-tailed paired t-test (P < .05) was used for statistical analysis. When compared to free-hand preparation, mean donor femoral preparation time was 10 minutes longer and mean recipient preparation time was 2 minutes longer when using guides (p = 0.011 and p = 0.001, respectively). No difference in acetabular preparation time was noted between groups. Gap volume at the acetabular and femoral donor-recipient interface was not different between groups. Mean difference between the planned and postoperative version angle was 6.2° lower for the guide group when compared to the freehand group (p = 0.025). Mean femoral neck length was 2 mm closer to the plan when using guides than when performing surgery freehand (p = 0.037). Accuracy for femoral angle of inclination was not different between groups. Custom surgical guides warrants consideration in developing bipolar coxofemoral osteochondral allograft transplantation as an alternative surgical technique for managing hip disorders in dogs.
format	article
author	Christina C De Armond Stanley E Kim Daniel D Lewis Adam H Biedryzcki Scott A Banks James L Cook Justin D Keister
author_facet	Christina C De Armond Stanley E Kim Daniel D Lewis Adam H Biedryzcki Scott A Banks James L Cook Justin D Keister
author_sort	Christina C De Armond
title	Three-dimensional-printed custom guides for bipolar coxofemoral osteochondral allograft in dogs.
title_short	Three-dimensional-printed custom guides for bipolar coxofemoral osteochondral allograft in dogs.
title_full	Three-dimensional-printed custom guides for bipolar coxofemoral osteochondral allograft in dogs.
title_fullStr	Three-dimensional-printed custom guides for bipolar coxofemoral osteochondral allograft in dogs.
title_full_unstemmed	Three-dimensional-printed custom guides for bipolar coxofemoral osteochondral allograft in dogs.
title_sort	three-dimensional-printed custom guides for bipolar coxofemoral osteochondral allograft in dogs.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/3e5db7e32ba945348e288461173d87d7
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Three-dimensional-printed custom guides for bipolar coxofemoral osteochondral allograft in dogs.

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