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Войти в исследования Pain medicine (Malden, Mass.) · 2020
Ultrasound-Guided Intercostal Peripheral Nerve Stimulator Implantation: Technique Report and Feasibility Study in a Cadaver.
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Gupta Sahil, Clendenen Steven, Ferreira-Dos-Santos Guilherme, Hurdle Mark Friedrich
Аннотация
OBJECTIVE: This study aimed to describe and validate a novel ultrasound-guided intercostal peripheral nerve stimulator implantation technique.
METHODS: The fifth to tenth ribs on both sides of an unembalmed cadaveric specimen were localized using a 15-6-MHz linear array transducer, counting distally from T-1 bilaterally. A single interventionist then implanted 12 peripheral nerve stimulators on the fifth through tenth ribs, six MicroLeads on the left side and six StimRouters on the right side, using an in-plane lateral to medial approach to the inferior border of the corresponding rib. After all the stimulators were implanted, their location was confirmed using fluoroscopy. Gross anatomic dissection was later performed for each of the stimulators placed, and the distance of the lead from the intercostal nerve and pleura was noted.
RESULTS: All leads were noted in an accurate position in the plane between the inner and innermost intercostal muscle, without any intrapleural placement. The distance of the leads from the intercostal nerves was on average 2.3 mm and 1.1 mm for MicroLead and StimRouter, respectively.
CONCLUSIONS: To our knowledge, this study is the first to determine the feasibility of ultrasound-guided peripheral nerve stimulator placement in close proximity to the pleura. All the stimulator leads were accurately placed using our ultrasound-guided technique and were within 0.5-3 mm from the intercostal nerve. Although this technique might prove technically challenging, the use of ultrasound for intercostal peripheral nerve stimulator implantation appears feasible and warrants further investigation to establish this as an acceptable technique for patients.
METHODS: The fifth to tenth ribs on both sides of an unembalmed cadaveric specimen were localized using a 15-6-MHz linear array transducer, counting distally from T-1 bilaterally. A single interventionist then implanted 12 peripheral nerve stimulators on the fifth through tenth ribs, six MicroLeads on the left side and six StimRouters on the right side, using an in-plane lateral to medial approach to the inferior border of the corresponding rib. After all the stimulators were implanted, their location was confirmed using fluoroscopy. Gross anatomic dissection was later performed for each of the stimulators placed, and the distance of the lead from the intercostal nerve and pleura was noted.
RESULTS: All leads were noted in an accurate position in the plane between the inner and innermost intercostal muscle, without any intrapleural placement. The distance of the leads from the intercostal nerves was on average 2.3 mm and 1.1 mm for MicroLead and StimRouter, respectively.
CONCLUSIONS: To our knowledge, this study is the first to determine the feasibility of ultrasound-guided peripheral nerve stimulator placement in close proximity to the pleura. All the stimulator leads were accurately placed using our ultrasound-guided technique and were within 0.5-3 mm from the intercostal nerve. Although this technique might prove technically challenging, the use of ultrasound for intercostal peripheral nerve stimulator implantation appears feasible and warrants further investigation to establish this as an acceptable technique for patients.