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R01EB025247: Development and Validation of a Virtual Laparoscopic Hiatal Hernia Simulator (VLaHHS)

Award Number: R01EB025247
ORGANIZATION: NATIONAL INSTITUTE Of BIOMEDICAL IMAGING & BIOENGINEERING
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 07/01/2021
PERIOD OF PERFORMANCE END DATE: 06/30/2025

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R01EB025247: Development and Validation of a Virtual Laparoscopic Hiatal Hernia Simulator (VLaHHS) - Project Summary Gastroesophageal reflux disease (GERD) is prevalent in USA and affects about 20% of the population and leads to decreased quality of life. If untreated, GERD can lead to complications such as esophagitis, Barrett’s esophagus and esophageal adenocarcinoma. Hiatal hernia is a condition in which the contents of the abdominal cavity, mainly the stomach, herniate through the hole meant for esophagus in the diaphragm and into the chest cavity. A strong link has been established between the presence of hiatal hernias and GERD. Moreover, presence of hiatal hernia doubles the risk of esophageal cancer. 85% of the hiatal hernia cases are of Type I and 5- 15% of the cases are of paraesophageal Type II-IV hernias, which when left untreated, apart from inducing GERD, can also result in ischemia or volvulus of the herniated contents. Laparoscopic hiatal hernia surgery is a minimally invasive procedure performed with specialized tools through five small incisions on the abdomen. It is an advanced general surgery procedure that has a learning curve of about 50 cases to achieve a low recurrent rate. Currently training for this procedure is through limited fellowships and there exists no animal, cadaver or virtual reality simulator to train in this specific procedure. Virtual reality simulators provide a standardized training environment where, a procedure can be practiced repeatedly to gain proficiency. They can also automatically assess the performance without any subjective influence. To address the gap in training for laparascopic hiatal hernia surgery, we propose to develop the Virtual Laparoscopic Hiatal Hernia Simulator (VLaHHS) with realistic modeling techniques, capabilities to simulate types III hiatal hernia, custom bimanual force feedback (haptic) interface. The VLaHHS developed in this project will also be useful to train surgeons in anti-reflux surgeries to treat GERD. We propose three specific aims to achieve and prove the effectiveness of our simulator. In aim1 we will develop the simulator that uses tissue properties and real-time deformation to simulate the procedure. We will develop custom haptic device to provide force feedback. In aim 2, we will develop, simulation scenario and metrics, and integrate into VLaHHS. In aim 3, we will conduct validation studies to prove that training on VLaHHS will lead to improved performance. The research will eventually lead to fewer surgical errors and improvement to patient safety.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2024 ( Subtotal = $0 )
2024	2023	UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER, THE	5323 HARRY HINES BLVD	DALLAS	TX	75390	DALLAS	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	001	4	1/12/2024	NON-COMPETING CONTINUATION	$0
2024	2023	UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER, THE	5323 HARRY HINES BLVD	DALLAS	TX	75390	DALLAS	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	000	4	11/23/2023	NON-COMPETING CONTINUATION	$0
2024	2023	THE UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER	5323 HARRY HINES BLVD	DALLAS	TX	75390	DALLAS	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	002	4	8/16/2024	NON-COMPETING CONTINUATION	$0
														Subtotal = $0

Issue Date FY: 2023 ( Subtotal = $531,401 )
2023	2023	UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER, THE	5323 HARRY HINES BLVD	DALLAS	TX	75390	DALLAS	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	000	4	8/23/2023	NON-COMPETING CONTINUATION	$531,401
														Subtotal = $531,401

Issue Date FY: 2022 ( Subtotal = $0 )
2022	2021	UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER, THE	5323 HARRY HINES BLVD	DALLAS	TX	75390	DALLAS	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	000	3	7/20/2022	CHANGE OF GRANTEE / TRAINING INSTITUTION / AWARDING INSTITUTION	$0
														Subtotal = $0

Issue Date FY: 2021 ( Subtotal = $519,648 )
2021	2021	UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER, THE	5323 HARRY HINES BLVD	DALLAS	TX	75390	DALLAS	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	004	3	9/5/2021	CHANGE OF GRANTEE / TRAINING INSTITUTION / AWARDING INSTITUTION	$908,210
2021	2021	UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER, THE	5323 HARRY HINES BLVD	DALLAS	TX	75390	DALLAS	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	001	3	7/20/2021	CHANGE OF GRANTEE / TRAINING INSTITUTION / AWARDING INSTITUTION	$519,648
2021	2020	BAYLOR RESEARCH INSTITUTE	2001 BRYAN ST STE 2200	DALLAS	TX	75201	DALLAS	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	003	2	9/5/2021	NON-COMPETING CONTINUATION	-$606,229
2021	2020	BAYLOR RESEARCH INSTITUTE	2001 BRYAN ST STE 2200	DALLAS	TX	75201	DALLAS	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	000	2	7/20/2021	NON-COMPETING CONTINUATION	$0
2021	2019	BAYLOR RESEARCH INSTITUTE	2001 BRYAN ST STE 2200	DALLAS	TX	75201	DALLAS	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	002	1	9/5/2021	NEW	-$301,981
														Subtotal = $519,648

Issue Date FY: 2020 ( Subtotal = $606,229 )
2020	2020	BAYLOR RESEARCH INSTITUTE	2001 BRYAN ST STE 2200	DALLAS	TX	75201	DALLAS	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	000	2	8/7/2020	NON-COMPETING CONTINUATION	$606,229
														Subtotal = $606,229

Issue Date FY: 2019 ( Subtotal = $724,759 )
2019	2019	BAYLOR RESEARCH INSTITUTE	2001 BRYAN ST STE 2200	DALLAS	TX	75201	DALLAS	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	000	1	9/19/2019	NEW	$724,759
														Subtotal = $724,759

Grand Total All Awards = $2,382,037

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R01EB025247: Development and Validation of a Virtual Laparoscopic Hiatal Hernia Simulator (VLaHHS)

Award Number: R01EB025247

ORGANIZATION: NATIONAL INSTITUTE Of BIOMEDICAL IMAGING & BIOENGINEERING

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

PERIOD OF PERFORMANCE START DATE: 07/01/2021

PERIOD OF PERFORMANCE END DATE: 06/30/2025

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