Articles: nerve-block.
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Randomized Controlled Trial
Postoperative recovery after breast cancer surgery: A randomised controlled trial of opioid-based versus opioid-free anaesthesia with thoracic paravertebral block.
Perioperative use of opioids has revealed significant adverse effects associated with poor postoperative outcomes. ⋯ TPVB-based opioid-free anaesthesia improved early postoperative quality of recovery without compromising pain control in patients undergoing breast cancer surgery.
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Curr Pain Headache Rep · Aug 2023
ReviewA Review of the Paravertebral Block: Benefits and Complications.
Paravertebral nerve blocks (PVB) have experienced a surge over the past 2 decades as improved access to ultrasound has increased ease of performance. The purpose of this review is to identify recent findings with regard to PVB's uses, including benefits, risks, and recommendations. ⋯ PVB is reported as an effective method of analgesia both in intraoperative and postoperative applications, with novel applications showing its potential to replace general anesthesia for certain procedures. The use of PVB as a method of analgesia postoperatively has shown lower opioid usage and faster PACU discharge, when compared to alternative approaches like the intercostal nerve block, erector spinae plane block, pectoralis II block, and patient-controlled analgesia. Thoracic epidural analgesia and a serratus anterior plane block are comparable to PVB and can be used as alternatives. The incidence of adverse events is consistently reported to be very low with few new risks being identified as the use of PVB expands. While there are worthwhile alternatives to PVB, it is an excellent option to consider, particularly for higher-risk patients. For patients undergoing thoracic or breast surgery, PVB can improve opioid usage and shorten the length of stay leading to an overall positive impact on patient recovery and satisfaction. More research is needed to further expand novel applications.
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Acta Anaesthesiol Scand · Aug 2023
The intertransverse process block single- or multiple-injection? A study protocol.
Intertransverse process (ITP) blocks are applied on the posterior side of the thoracic paravertebral space. The modality is described as being a paravertebral block by proxy, possibly providing a similar analgesic effect as the thoracic paravertebral block. However, systematic evidence on anaesthetised dermatomes and the extent of cutaneous sensory loss following ITP blocks is sparse. This study aims to test the single- versus the multiple-injection ITP block. The primary outcome is the number of anaesthetised thoracic dermatomes for each block type. ⋯ The current study will provide substantial knowledge regarding the cutaneous sensory loss of the ITP block. Furthermore, the study might provide insight regarding the possible clinical usage of thermography as a reliable instrument for measuring nerve block efficacy.
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Randomized Controlled Trial
Erector spinae plane block for postoperative analgesia in robotically-assisted coronary artery bypass surgery: Results of a randomized placebo-controlled trial.
To investigate if an erector spinae plane (ESP) block decreases postoperative opioid consumption, pain and postoperative nausea and vomiting in patients undergoing robotically-assisted minimally invasive direct coronary artery bypass surgery (RAMIDCAB). ⋯ Following RAMIDCAB surgery, adding an ESP block to a standard multimodal analgesia regimen did not reduce opioid consumption and pain scores.
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Reg Anesth Pain Med · Aug 2023
Modified thoracoabdominal nerve block through perichondrial approach (M-TAPA): an anatomical study to evaluate the spread of dye after a simulated injection in soft embalmed Thiel cadavers.
There is still no consensus on the analgesic range and mechanisms of action of modified thoracoabdominal nerve block through perichondrial approach (M-TAPA). This cadaveric study aimed to determine the spread of an injectate following simulated M-TAPA. ⋯ Our findings suggest that M-TAPA most likely involves the T9, T10 and T11 segmental nerves and that the local anesthetic may not spread to the intercostal space in the thoracic cage in M-TAPA. Further studies are required to confirm the precise mechanism of action and efficacy of M-TAPA in a large sample of human participants.