Articles: nerve-block.
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Local anesthetic blocks have been used in a variety of ways in the management of headache. Some practitioners use blocks of the supraorbital and greater occipital nerves as a form of treatment. Although the effect of each block is limited in duration, a series of injections appears to provide sustained relief. ⋯ On the other hand, blocks can be used to diagnose cervical sources of headaches. When performed under controlled conditions, such blocks can identify cervical sources of pain in a substantial proportion of patients with headache after whiplash. Positive blocks also predict good outcome from radiofrequency neurotomy of the nerve blocked.
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Rev Esp Anestesiol Reanim · Oct 2004
Clinical Trial[Combined sciatic and inguinal paravascular nerve block: a valid alternative for arthroscopic knee surgery].
To assess the effectiveness of a combined transgluteal sciatic and inguinal paravascular nerve block for arthroscopic knee surgery. ⋯ The combined sciatic and inguinal paravascular block is effective for arthroscopic knee surgery and offers an alternative when other anesthetic techniques cannot be used. Use of a pressure cuff may require complementary sedation.
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Regional anesthesia can be the technique of choice for selected ambulatory surgery procedures, but in spite of its benefits, it has an inherent failure rate even in experienced hands. We examine the efficacy and factors associated with failure of ambulatory regional anesthesia techniques. ⋯ High BMI and ASA IV are independent risk factors for block failure in ambulatory surgery patients.
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Sciatic nerve blocks through lateral approaches in the popliteal fossa have been proposed. We describe a new medial approach to the sciatic nerve at this level. ⋯ We describe a new medial approach to the sciatic nerve in the popliteal fossa. More studies will be required to demonstrate the technique is effective and safe.
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Case Reports
Ultrasound guidance for a lateral approach to the sciatic nerve in the popliteal fossa.
Descriptions of the use of ultrasound for nerve location have focused on upper limb blocks. We present a case in which ultrasound imaging was used for a lateral approach to the sciatic nerve in the popliteal fossa. ⋯ Under direct ultrasound guidance, we placed a block needle close to the tibial nerve and confirmed its position with nerve stimulation. Injected local anaesthetic was seen on ultrasound as it spread around both tibial and common peroneal nerves.