Articles: nerve-block.
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Observational Study
Japanese parturient body mass index and the role in initial nerve block height of women undergoing cesarean delivery with spinal anesthesia.
The present retrospective cohort study was designed to determine body mass index (BMI) at the delivery in women undergoing cesarean section in a Japanese urban area, and whether the nerve block height after spinal anesthesia upon the cesarean delivery relates to the lower maternal BMI, less gestational age, or underweight fetus at birth in the population. A total of 401 pregnant women undergoing cesarean delivery with spinal anesthesia were evaluated retrospectively. We examined background differences, including BMI at the delivery, gestational age, and fetal birth weight between the cases with and without the adequate initial nerve block height less than the sixth thoracic vertebral level (Th6) after the spinal dose administration. ⋯ There was a risk of the low initial block height caused by either preoperative BMI <23, gestational age <37 weeks, or fetal birth weight <2500 g in the population. In a Japanese urban area, parturient median BMI undergoing cesarean delivery is in the normal range. Such lower BMI, in addition to less gestational age or underweight fetus, seems one of the factors causing the low initial block height upon spinal anesthesia.
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JA clinical reports · Jun 2020
Retraction Of PublicationRetraction Note: Successful clavicle fracture surgery performed under selective supraclavicular nerve block using the new subclavian approach.
An amendment to this paper has been published and can be accessed via the original article.
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Randomized Controlled Trial
Conservative Treatment Versus Ultrasound-Guided Injection in the Management of Meralgia Paresthetica: A Randomized Controlled Trial.
Meralgia paresthetica (MP) is an entrapment mononeuropathy of the lateral femoral cutaneous nerve (LFCN), in which conservative treatment options are not always sufficient. ⋯ Meralgia paresthetica, ultrasound-guided injection, transcutaneous electrical nerve stimulation.
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Review Meta Analysis
Single injection Quadratus Lumborum block for postoperative analgesia in adult surgical population: A systematic review and meta-analysis.
The Quadratus lumborum (QL) block was first reported as a postoperative analgesic technique for abdominoplasty, and since has been used for a variety of surgeries. In this systematic review and meta-analysis, we summarize the current literature on the postoperative analgesic effect of QL block. ⋯ QL block significantly reduces opioid requirement in cesarean delivery and in renal surgery. The evidence for other surgery types are limited. QL block may have analgesic effect for up to 24 h postoperatively, but the evidence is again limited. There is currently limited evidence comparing QL block to other analgesic techniques, further studies are needed in this area.
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Journal of anesthesia · Jun 2020
Randomized Controlled TrialContinuous quadratus lumborum block and femoral nerve block for total hip arthroplasty: a randomized study.
Continuous femoral nerve block (FNB) has been effectively used after total hip arthroplasty (THA). Recently the anterior approach to quadratus lumborum block (QLB) has been shown to produce postoperative pain relief after THA. Continuous QLB would benefit from a catheter insertion site that is farther away from the surgical site compared with continuous FNB. In this randomized controlled study, we compared analgesic effects of the two techniques in patients undergoing THA. ⋯ Analgesic effects of continuous QLB were inferior to those of continuous FNB in patients undergoing THA under the current study condition.