European journal of anaesthesiology
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Randomized Controlled Trial
Transversus abdominis plane block versus quadratus lumborum block type 2 for analgesia in renal transplantation: A randomised trial.
Several studies have shown an analgesic efficacy of a transversus abdominis plane block (TAPB) in reducing opioid requirements during and after cadaveric renal transplantation surgery, but the effect of a quadratus lumborum block (QLB) in this type of surgery is unclear. ⋯ The reduction of fentanyl consumption in the first 24 h after renal transplantation with no difference in pain intensity and patient satisfaction shows a beneficial effect of one-sided QLB type 2 over a one-sided TAPB in regards to postoperative analgesia. However, the reduction in opioid consumption did not affect the frequency of opioid-related adverse effects.
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Randomized Controlled Trial
Subarachnoid block and ultrasound-guided transversalis fascia plane block for caesarean section: A randomised placebo-controlled double-blind study.
After caesarean section, maternal postoperative comfort is critical to allow the new mother to care for her baby. Insufficient pain relief during the postoperative period may delay maternal/infant bonding and, in addition, such pain has been linked to subsequent depression and chronic pain. Caesarean section is commonly performed with a Pfannenstiel incision, and a transversalis fascia plane (TFP) block provides postoperative analgesia in the T12 and L1 dermatomes. ⋯ A postoperative TFP block can reduce opioid consumption and relieve acute pain after a caesarean section under spinal anaesthesia.
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Randomized Controlled Trial
Dislocation rates of perineural catheters placed either perpendicular or parallel to the femoral nerve: A randomised controlled trial.
Ultrasound has increased the efficacy of femoral nerve catheters but their postoperative dislocation still remains a common problem. Although catheter placement parallel to the nerve seems to reduce dislocation rates in other nerves and plexuses, the possible advantage for femoral nerve catheter placement remains unclear. ⋯ Rotating the ultrasound probe to the long-axis in-plane view enabled examination of the catheter position when it was placed parallel to the nerve. The parallel placement of the catheter required more time, but did not significantly improve dislocation rate, pain scores or sensory blockade.
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Randomized Controlled Trial
Transverse vs. parasagittal in-plane approaches in ultrasound-guided paravertebral block using a microconvex probe: A randomised controlled trial.
Several approaches have been proposed for ultrasound-guided thoracic paravertebral block, but the best approach remains unclear. ⋯ There were no clinically significant differences between approaches for continuous ultrasound-guided thoracic paravertebral block using a microconvex probe, and both approaches achieved a high rate of correct catheter placement.
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Randomized Controlled Trial
Effects of adding a combined femoral and sciatic nerve block with levobupivacaine and clonidine to general anaesthesia in femoropopliteal bypass surgery: A randomised, double-blind, controlled trial.
Adding a regional block to general anaesthesia can prevent postoperative pain and improve peripheral circulation. ⋯ Combining the two regional blocks improves the quality of postoperative care in this frail population, probably by reducing the amount of peri-operative opioid.