Best practice & research. Clinical anaesthesiology
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Best Pract Res Clin Anaesthesiol · Dec 2019
ReviewAdjuvants in clinical regional anesthesia practice: A comprehensive review.
Adjuvants are medications that work synergistically with local anesthetics to help enhance the duration and quality of analgesia in regional techniques. Regional anesthesia has become more prevalent as evidence continues to show efficacy, enhancement of patient care, increased patient satisfaction, and improved patient safety. Practitioners in the perioperative setting need to not only be familiar with regional techniques but also the medications used for them. ⋯ The aim of the present investigation, therefore, is to provide a comprehensive review of the most commonly used non-opioid adjuvants in clinical practice today. Regional adjuvants can improve patient safety, increase patient satisfaction, and enhance clinical efficacy. Future studies and best practice techniques can facilitate standardization of regional anesthesia adjuvant dosing when providing nerve blocks in clinical practice.
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Best Pract Res Clin Anaesthesiol · Dec 2019
ReviewTruncal regional nerve blocks in clinical anesthesia practice.
Regional anesthetic techniques are important components of successful multimodal analgesic strategies. When used successfully, truncal nerve blocks of the chest wall, abdomen, and, paraneuraxial nerves, in combination with other analgesic modalities, may offer similar analgesic efficacy as neuraxial techniques, which are associated with a greater risk profile. Moreover, in comparison to neuraxial techniques, truncal nerve blocks are relatively simple to perform and technically straightforward to learn. ⋯ Different variations of the quadratus lumborum block may provide visceral and sensory analgesic coverage. Moreover, truncal blocks, including ilioinguinal, iliohypogastric, pectoralis nerve (PECS) blocks, serratus anterior, intercostal, and erector spinae plane blocks, have gained routine clinical use for various surgeries. In this review, we discuss the techniques, anatomy, indications, complications, and benefits of truncal nerve blocks commonly used in clinical practice.
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Best Pract Res Clin Anaesthesiol · Dec 2019
ReviewComplications and liability related to regional and neuraxial anesthesia.
Regional anesthesia is responsible for approximately one-fifth of professional liability claims. The present investigation evaluated common and rare complications related to regional and neuraxial anesthesia, including postdural puncture headache, backache, transient neurological symptoms, inadvertent intrathecal injection, epidural hematoma and abscess, meningitis, arachnoiditis, postoperative urinary retention, local anesthetic systemic toxicity, and cardiac arrest. ⋯ This manuscript also provides an overview and analysis of the existing literature and makes some recommendations in terms of strategies to prevent or minimize the potential patient injury, with a focus on those more commonly associated with patient injury and liability exposure. The role of ultrasound in preventing patient injury during regional anesthesia is also discussed.
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Best Pract Res Clin Anaesthesiol · Dec 2019
ReviewLiposomal bupivacaine and novel local anesthetic formulations.
Novel preparations allowing for the extended duration of action of local anesthetics have many clinically relevant benefits. With regard to this, the development of liposomal bupivacaine has the potential to significantly impact patient care by improving perioperative pain control. The unique liposomal bilayer that encapsulates bupivacaine allows for a sustained release of local anesthetic for up to 72 h after a single use and can significantly decrease postoperative opioid consumption. ⋯ HTX-011 is an investigational extended-release local anesthetic formulation currently undergoing Phase 3 clinical trials. HTX-011 is composed of a bioerodible polymer with bupivacaine and low-dose meloxicam in which the polymer undergoes hydrolysis and allows for sustained release of bupivacaine and meloxicam for 3 days. The present investigation reviews pharmacologic considerations related to the formulation of liposomal bupivacaine, current FDA-approved indications for its use, and future extended-release local anesthetic formulations currently under investigation.