Microsurgical robotic system enables the performance of microvascular anastomoses: a randomized in vivo preclinical trial

Abstract Technical advances in microsurgery have enabled complex oncological reconstructions by performing free tissue transfers, nerve and lymphatic reconstructions. However, the manual abilities required to perform microsurgery can be affected by human fatigue and physiological tremor resulting in...

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Main Authors: Gerardo Malzone, Giulio Menichini, Marco Innocenti, Alberto Ballestín
Format: Article
Language:English
Published: Nature Portfolio 2023-08-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-023-41143-z
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author Gerardo Malzone
Giulio Menichini
Marco Innocenti
Alberto Ballestín
author_facet Gerardo Malzone
Giulio Menichini
Marco Innocenti
Alberto Ballestín
author_sort Gerardo Malzone
collection DOAJ
description Abstract Technical advances in microsurgery have enabled complex oncological reconstructions by performing free tissue transfers, nerve and lymphatic reconstructions. However, the manual abilities required to perform microsurgery can be affected by human fatigue and physiological tremor resulting in tissue damage and compromised outcomes. Robotic assistance has the potential to overcome issues of manual microsurgery by improving clinical value and anastomoses’ outcomes. The Symani Surgical System, a robotic platform designed for microsurgery, was used in this in-vivo preclinical study using a rat animal model. The tests included anastomoses on veins and arteries performed by microsurgeons manually and robotically, with the latter approach using Symani. The anastomoses were assessed for patency, histopathology, and execution time. Patency results confirmed that the robotic and manual techniques for venous and arterial anastomoses were equivalent after anastomosis, however, the time to perform the anastomosis was longer with the use of the robot (p < 0.0001). Histological analysis showed less total average host reaction score at the anastomotic site in robotic anastomosis for both veins and arteries. This study demonstrates the equivalence of vessel patency after microsurgical anastomoses with the robotic system and with manual technique. Furthermore, robotic anastomosis has proven to be slightly superior to manual anastomosis in terms of decreased tissue damage, as shown by histological analysis.
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spelling doaj.art-d6b79ceea7d04f4d866cd5448308f0832024-04-21T11:19:59ZengNature PortfolioScientific Reports2045-23222023-08-011311810.1038/s41598-023-41143-zMicrosurgical robotic system enables the performance of microvascular anastomoses: a randomized in vivo preclinical trialGerardo Malzone0Giulio Menichini1Marco Innocenti2Alberto Ballestín3Division of Plastic, Reconstructive and Microsurgery, CTO Careggi University HospitalDivision of Plastic, Reconstructive and Microsurgery, CTO Careggi University HospitalDivision of Plastic, Reconstructive and Microsurgery, CTO Careggi University HospitalTumor Microenvironment Laboratory, Institut CurieAbstract Technical advances in microsurgery have enabled complex oncological reconstructions by performing free tissue transfers, nerve and lymphatic reconstructions. However, the manual abilities required to perform microsurgery can be affected by human fatigue and physiological tremor resulting in tissue damage and compromised outcomes. Robotic assistance has the potential to overcome issues of manual microsurgery by improving clinical value and anastomoses’ outcomes. The Symani Surgical System, a robotic platform designed for microsurgery, was used in this in-vivo preclinical study using a rat animal model. The tests included anastomoses on veins and arteries performed by microsurgeons manually and robotically, with the latter approach using Symani. The anastomoses were assessed for patency, histopathology, and execution time. Patency results confirmed that the robotic and manual techniques for venous and arterial anastomoses were equivalent after anastomosis, however, the time to perform the anastomosis was longer with the use of the robot (p < 0.0001). Histological analysis showed less total average host reaction score at the anastomotic site in robotic anastomosis for both veins and arteries. This study demonstrates the equivalence of vessel patency after microsurgical anastomoses with the robotic system and with manual technique. Furthermore, robotic anastomosis has proven to be slightly superior to manual anastomosis in terms of decreased tissue damage, as shown by histological analysis.https://doi.org/10.1038/s41598-023-41143-z
spellingShingle Gerardo Malzone
Giulio Menichini
Marco Innocenti
Alberto Ballestín
Microsurgical robotic system enables the performance of microvascular anastomoses: a randomized in vivo preclinical trial
Scientific Reports
title Microsurgical robotic system enables the performance of microvascular anastomoses: a randomized in vivo preclinical trial
title_full Microsurgical robotic system enables the performance of microvascular anastomoses: a randomized in vivo preclinical trial
title_fullStr Microsurgical robotic system enables the performance of microvascular anastomoses: a randomized in vivo preclinical trial
title_full_unstemmed Microsurgical robotic system enables the performance of microvascular anastomoses: a randomized in vivo preclinical trial
title_short Microsurgical robotic system enables the performance of microvascular anastomoses: a randomized in vivo preclinical trial
title_sort microsurgical robotic system enables the performance of microvascular anastomoses a randomized in vivo preclinical trial
url https://doi.org/10.1038/s41598-023-41143-z
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