Proximal Sciatic Nerve Block-Ultrasound Guided

Abdallah, Faraj W.; Chan, Vincent

doi:10.1007/978-3-319-05131-4_60

Cited by 2 publications

(5 citation statements)

References 26 publications

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“…These procedures are based on anatomical references such as the ischial spine or the biceps femoris muscle . For example, a sciatic nerve block can be performed at the subgluteal level, with the patient in a prone decubitus position and the leg slightly externally rotated . In this position, the sciatic nerve can be easily visualized as a triangle or as an ovoid hyperechogenic structure lateral to the ischial tuberosity and superficial to the femoral square .…”

Section: Discussionmentioning

confidence: 99%

“…9 For example, a sciatic nerve block can be performed at the subgluteal level, with the patient in a prone decubitus position and the leg slightly externally rotated. 8,10 In this position, the sciatic nerve can be easily visualized as a triangle or as an ovoid hyperechogenic structure lateral to the ischial tuberosity and superficial to the femoral square. 4 However, according to our findings, the location of the sciatic nerve in the middle third of the thigh, where the nerve is deep to the biceps femoris muscle, may involve an easier approach and easier identification, with no differences between the medial (in 8 limbs) and lateral (in 8 limbs) approaches.…”

Section: Discussionmentioning

confidence: 99%

“…In the lower extremities, ultrasound may be applied for the nerve block of the sciatic, tibial common peroneal, medial sural cutaneous, and saphenous nerves. These are used mainly in knee or ankle surgeries and in the treatment of lower extremity pain . However, accurately locating the point of access of these nerves is a challenge.…”

Section: Introductionmentioning

confidence: 99%

“…These are used mainly in knee or ankle surgeries and in the treatment of lower extremity pain. 8 However, accurately locating the point of access of these nerves is a challenge.…”

Section: Introductionmentioning

confidence: 99%

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Ultrasound and Anatomical Study of Accessing the Nerves in the Knee by Fascial Planes

et al. 2020

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The fascia is an undifferentiated mesenchymal tissue related to the peripheral nerves. Both can be identified by ultrasound, which is useful when performing peripheral nerve blocks. However, there is no unanimity about the approaching point of each nerve, nor is there a consensus on how to name the appropriate infiltration zone, although the paraneural zone is frequently mentioned. The aims of this study were to determine if ultrasound is accurate for identifying the fascial planes and the paraneural space of the nerves in the knee, infiltrating them, and achieving a correct anatomical diffusion, as well as for establishing access routes to avoid intraneural infiltration. The study was performed in 16 cryopreserved lower extremities of the dissection room of the Faculty of Medicine and Health Sciences, University of Barcelona. Nerves of the knee were injected with colorant guided by ultrasound after they were visualized. Correct location of the nerves by ultrasound was achieved in 98.75% of the cases, correct visualization of the needle by ultrasound in 82.5%, the hypoechogenic image around the nerve after infiltration in 82.5%, and a correct paraneural infiltration in 76.25% of cases. With these results, we can conclude that high‐definition ultrasound enables location of the peripheral nerves and adjacent structures as well as the fasciae that surround them, and therefore allows performance of infiltrations in the paraneural spaces.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…These are used mainly in knee or ankle surgeries and in the treatment of lower extremity pain. 8 However, accurately locating the point of access of these nerves is a challenge.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Ultrasound and Anatomical Study of Accessing the Nerves in the Knee by Fascial Planes

et al. 2020

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“…The sciatic nerve is formed by branches of both anterior and posterior divisions of the lumbosacral plexus (L4-S3) and innervates the posterior thigh and almost the entire lower leg. Due to its deep location it is a technically demanding block when performed in the parasacral and gluteal region ( 9 ) (fig. 6), however it is readily visible with ultrasound from the subgluteal to popliteal region.…”

Section: Sciatic Nerve Blocksmentioning

confidence: 99%

Ultrasound Skills in Lower Extremity Traumatology and Orthopedics – Regional Anesthesia and Beyond

Oremuš¹

2019

ACC

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SUMMARYDuring the last two decades ultrasound guidance has been established as an invaluable tool for performing peripheral nerve blocks. Ultrasound guidance reduces block performance time, volume of local anesthetic, risk of intravascular injection and need for opioid rescue analgesia compared to landmark based and neurostimulator guided techniques. The use of ultrasound guidance must not be understood as a surrogate to, but should complement a thorough understanding of anatomy. The purpose of this overview is to present ultrasound guided techniques for performing basic lower extremity blocks, as well as to discuss more recent trends in providing regional analgesia for patients undergoing lower extremity surgery.

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Proximal Sciatic Nerve Block-Ultrasound Guided

Cited by 2 publications

References 26 publications

Ultrasound and Anatomical Study of Accessing the Nerves in the Knee by Fascial Planes

Ultrasound and Anatomical Study of Accessing the Nerves in the Knee by Fascial Planes

Ultrasound Skills in Lower Extremity Traumatology and Orthopedics – Regional Anesthesia and Beyond

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