Block

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Block

A segment of a town or city surrounded by streets and avenues on at least three sides and usually occupied by buildings, though it may be composed solely of vacant lots. The section of a city enclosed by streets that is described by a map which indicates how a portion of land will be subdivided.

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Ultrasound Nerve P value (N=21) Stimulation (N=21) Imaging time 22.5 (19.6) NA NA Performance time 162.1 (125.8) 231.3 (210.9) .138 Onset time 307.5 (157.8) 300.0 (236.0) .920 Total anesthesia-related 480.1 (251.9) 554.0 (366.9) .443 time Success rate (%) 20.0 (95.2) 16.0 (76.2) .125 Number of passes 3.2 (2.9) 9.5 (12.2) .009 Block-related pain 4.6 (2.2) 4.0 (2.2) .139 (VAS score) Incidental femoral block 1.0 (4.8) 0(0) >.999 All time variables are in seconds.
A randomized comparison between neurostimulation and ultrasound-guided lateral femoral cutaneous nerve block
Patients receiving sciatic-femoral block required less analgesic than the patients who received femoral block alone.
A comparative study of clinical effects of spinal bupivacaine versus sciatic-femoral nerve block (anterior approach) in high risk geriatric patient for lower limb orthopaedic procedures
In comparison to the femoral nerve block alone, the sciatic/ femoral block combination has been shown to be more effective in reducing both the amount of associated-pain and the amount of anesthetic solution used after ACL repairs.
Orthopaedic anesthesia: Part 2. Common techniques of regional anesthesia in orthopaedics
Pain control after total knee arthroplasty: a randomized trial comparing local infiltration anaesthesia and continuous femoral block. Acta Orthopaedica 2011; 82: 441-447.
High volume local infiltration analgesia compared to peripheral nerve block for hip and knee arthroplasty--what is the evidence?
Continuous femoral block provides potent postoperative analgesia following both anterior cruciate ligament reconstruction (ACLR) (1,2) and total knee joint replacement (TKJR) (3) and is increasingly being used on an ambulatory basis (1,4,5).
Ambulatory continuous femoral analgesia for major knee surgery: a randomised study of ultrasound-guided femoral catheter placement

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