Development and evaluation of a 3D printed endoscopic ampullectomy training model (with video)

Endoscopic ampullectomy is a technically challenging, high-risk procedure with limited training opportunities. Although simulation models can assist with endoscopic skill acquisition, an ampullectomy model does not currently exist. To develop a training model that can be used to improve technical sk...

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Published inGastrointestinal endoscopy Vol. 81; no. 6; pp. 1470 - 1475.e5
Main Authors Holt, Bronte A., Hearn, Gareth, Hawes, Robert, Tharian, Benjamin, Varadarajulu, Shyam
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.06.2015
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Online AccessGet full text
ISSN0016-5107
1097-6779
1097-6779
DOI10.1016/j.gie.2015.03.1916

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Abstract Endoscopic ampullectomy is a technically challenging, high-risk procedure with limited training opportunities. Although simulation models can assist with endoscopic skill acquisition, an ampullectomy model does not currently exist. To develop a training model that can be used to improve technical skills, knowledge, and confidence in performing endoscopic ampullectomy. Experimental study. Tertiary hospital innovation laboratory. Twenty-one endoscopists attending an endoscopic resection workshop. A prototype for endoscopic ampullectomy was created by computer-aided design and 3-dimensional printing of an ampullary mount and base to which a chicken heart was attached and inserted into a silicone stomach-duodenum model. Study participants performed an ampullectomy and evaluated the prototype with a pre- and postampullectomy questionnaire by using a scale of 1 to 5 (very low to very high). Evaluation of core procedural steps, technical and visual realism, and proceduralist technical knowledge and confidence. Sixteen endoscopists participated in the study. All core procedural steps were completed by 14 participants. The mean overall technical and visual realism scores were 3.1 (standard deviation [SD], 0.9) and 3.2 (SD, 0.9), respectively. Ten participants (10/15, 66.7%) thought that their technical knowledge had improved, and 11 thought that it would increase further with additional sessions (11/15, 73.3%). Mean confidence score before and after using the model was 2.2 (SD, 1.2) and 2.9 (SD, 1.1), respectively (P = .132). Pilot study, lack of follow-up of participants’ endoscopic practice after model experience. Although further studies are necessary for validation, this novel prototype appears useful for endoscopic ampullectomy training.
AbstractList Endoscopic ampullectomy is a technically challenging, high-risk procedure with limited training opportunities. Although simulation models can assist with endoscopic skill acquisition, an ampullectomy model does not currently exist. To develop a training model that can be used to improve technical skills, knowledge, and confidence in performing endoscopic ampullectomy. Experimental study. Tertiary hospital innovation laboratory. Twenty-one endoscopists attending an endoscopic resection workshop. A prototype for endoscopic ampullectomy was created by computer-aided design and 3-dimensional printing of an ampullary mount and base to which a chicken heart was attached and inserted into a silicone stomach-duodenum model. Study participants performed an ampullectomy and evaluated the prototype with a pre- and postampullectomy questionnaire by using a scale of 1 to 5 (very low to very high). Evaluation of core procedural steps, technical and visual realism, and proceduralist technical knowledge and confidence. Sixteen endoscopists participated in the study. All core procedural steps were completed by 14 participants. The mean overall technical and visual realism scores were 3.1 (standard deviation [SD], 0.9) and 3.2 (SD, 0.9), respectively. Ten participants (10/15, 66.7%) thought that their technical knowledge had improved, and 11 thought that it would increase further with additional sessions (11/15, 73.3%). Mean confidence score before and after using the model was 2.2 (SD, 1.2) and 2.9 (SD, 1.1), respectively (P = .132). Pilot study, lack of follow-up of participants’ endoscopic practice after model experience. Although further studies are necessary for validation, this novel prototype appears useful for endoscopic ampullectomy training.
Endoscopic ampullectomy is a technically challenging, high-risk procedure with limited training opportunities. Although simulation models can assist with endoscopic skill acquisition, an ampullectomy model does not currently exist.BACKGROUNDEndoscopic ampullectomy is a technically challenging, high-risk procedure with limited training opportunities. Although simulation models can assist with endoscopic skill acquisition, an ampullectomy model does not currently exist.To develop a training model that can be used to improve technical skills, knowledge, and confidence in performing endoscopic ampullectomy.OBJECTIVETo develop a training model that can be used to improve technical skills, knowledge, and confidence in performing endoscopic ampullectomy.Experimental study.DESIGNExperimental study.Tertiary hospital innovation laboratory.SETTINGTertiary hospital innovation laboratory.Twenty-one endoscopists attending an endoscopic resection workshop.SUBJECTSTwenty-one endoscopists attending an endoscopic resection workshop.A prototype for endoscopic ampullectomy was created by computer-aided design and 3-dimensional printing of an ampullary mount and base to which a chicken heart was attached and inserted into a silicone stomach-duodenum model. Study participants performed an ampullectomy and evaluated the prototype with a pre- and postampullectomy questionnaire by using a scale of 1 to 5 (very low to very high).INTERVENTIONSA prototype for endoscopic ampullectomy was created by computer-aided design and 3-dimensional printing of an ampullary mount and base to which a chicken heart was attached and inserted into a silicone stomach-duodenum model. Study participants performed an ampullectomy and evaluated the prototype with a pre- and postampullectomy questionnaire by using a scale of 1 to 5 (very low to very high).Evaluation of core procedural steps, technical and visual realism, and proceduralist technical knowledge and confidence.MAIN OUTCOME MEASUREMENTSEvaluation of core procedural steps, technical and visual realism, and proceduralist technical knowledge and confidence.Sixteen endoscopists participated in the study. All core procedural steps were completed by 14 participants. The mean overall technical and visual realism scores were 3.1 (standard deviation [SD], 0.9) and 3.2 (SD, 0.9), respectively. Ten participants (10/15, 66.7%) thought that their technical knowledge had improved, and 11 thought that it would increase further with additional sessions (11/15, 73.3%). Mean confidence score before and after using the model was 2.2 (SD, 1.2) and 2.9 (SD, 1.1), respectively (P=.132).RESULTSSixteen endoscopists participated in the study. All core procedural steps were completed by 14 participants. The mean overall technical and visual realism scores were 3.1 (standard deviation [SD], 0.9) and 3.2 (SD, 0.9), respectively. Ten participants (10/15, 66.7%) thought that their technical knowledge had improved, and 11 thought that it would increase further with additional sessions (11/15, 73.3%). Mean confidence score before and after using the model was 2.2 (SD, 1.2) and 2.9 (SD, 1.1), respectively (P=.132).Pilot study, lack of follow-up of participants' endoscopic practice after model experience.LIMITATIONSPilot study, lack of follow-up of participants' endoscopic practice after model experience.Although further studies are necessary for validation, this novel prototype appears useful for endoscopic ampullectomy training.CONCLUSIONAlthough further studies are necessary for validation, this novel prototype appears useful for endoscopic ampullectomy training.
Endoscopic ampullectomy is a technically challenging, high-risk procedure with limited training opportunities. Although simulation models can assist with endoscopic skill acquisition, an ampullectomy model does not currently exist. To develop a training model that can be used to improve technical skills, knowledge, and confidence in performing endoscopic ampullectomy. Experimental study. Tertiary hospital innovation laboratory. Twenty-one endoscopists attending an endoscopic resection workshop. A prototype for endoscopic ampullectomy was created by computer-aided design and 3-dimensional printing of an ampullary mount and base to which a chicken heart was attached and inserted into a silicone stomach-duodenum model. Study participants performed an ampullectomy and evaluated the prototype with a pre- and postampullectomy questionnaire by using a scale of 1 to 5 (very low to very high). Evaluation of core procedural steps, technical and visual realism, and proceduralist technical knowledge and confidence. Sixteen endoscopists participated in the study. All core procedural steps were completed by 14 participants. The mean overall technical and visual realism scores were 3.1 (standard deviation [SD], 0.9) and 3.2 (SD, 0.9), respectively. Ten participants (10/15, 66.7%) thought that their technical knowledge had improved, and 11 thought that it would increase further with additional sessions (11/15, 73.3%). Mean confidence score before and after using the model was 2.2 (SD, 1.2) and 2.9 (SD, 1.1), respectively (P=.132). Pilot study, lack of follow-up of participants' endoscopic practice after model experience. Although further studies are necessary for validation, this novel prototype appears useful for endoscopic ampullectomy training.
Background Endoscopic ampullectomy is a technically challenging, high-risk procedure with limited training opportunities. Although simulation models can assist with endoscopic skill acquisition, an ampullectomy model does not currently exist. Objective To develop a training model that can be used to improve technical skills, knowledge, and confidence in performing endoscopic ampullectomy. Design Experimental study. Setting Tertiary hospital innovation laboratory. Subjects Twenty-one endoscopists attending an endoscopic resection workshop. Interventions A prototype for endoscopic ampullectomy was created by computer-aided design and 3-dimensional printing of an ampullary mount and base to which a chicken heart was attached and inserted into a silicone stomach-duodenum model. Study participants performed an ampullectomy and evaluated the prototype with a pre- and postampullectomy questionnaire by using a scale of 1 to 5 (very low to very high). Main Outcome Measurements Evaluation of core procedural steps, technical and visual realism, and proceduralist technical knowledge and confidence. Results Sixteen endoscopists participated in the study. All core procedural steps were completed by 14 participants. The mean overall technical and visual realism scores were 3.1 (standard deviation [SD], 0.9) and 3.2 (SD, 0.9), respectively. Ten participants (10/15, 66.7%) thought that their technical knowledge had improved, and 11 thought that it would increase further with additional sessions (11/15, 73.3%). Mean confidence score before and after using the model was 2.2 (SD, 1.2) and 2.9 (SD, 1.1), respectively ( P  = .132). Limitations Pilot study, lack of follow-up of participants’ endoscopic practice after model experience. Conclusion Although further studies are necessary for validation, this novel prototype appears useful for endoscopic ampullectomy training.
Author Hawes, Robert
Tharian, Benjamin
Holt, Bronte A.
Varadarajulu, Shyam
Hearn, Gareth
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Snippet Endoscopic ampullectomy is a technically challenging, high-risk procedure with limited training opportunities. Although simulation models can assist with...
Background Endoscopic ampullectomy is a technically challenging, high-risk procedure with limited training opportunities. Although simulation models can assist...
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SubjectTerms Ampulla of Vater - surgery
Animals
Chickens
Endoscopy - education
Endoscopy - instrumentation
Endoscopy - methods
Gastroenterology - education
Gastroenterology and Hepatology
Humans
Models, Educational
Printing, Three-Dimensional
Title Development and evaluation of a 3D printed endoscopic ampullectomy training model (with video)
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https://dx.doi.org/10.1016/j.gie.2015.03.1916
https://www.ncbi.nlm.nih.gov/pubmed/25986114
https://www.proquest.com/docview/1682207991
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