Articles: acute-pain.
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Reg Anesth Pain Med · Feb 2025
ReviewTen years of transitional pain service research and practice: where are we and where do we go from here?
Chronic postsurgical pain (CPSP) is a prevalent yet unintended consequence of surgery with substantial burdens to the individual and their family, the healthcare system, and society at large. The present article briefly reviews the evidence for transitional pain services (TPSs) that have arisen in an effort to prevent and mange CPSP and persistent opioid use, and provides an update on recent novel risk factors for CPSP. Available evidence from one randomized controlled trial (RCT) and three non-randomized cohort studies suggests that TPS treatment is associated with better opioid use outcomes, including fewer opioid tablets prescribed at discharge, better opioid weaning results, a lower incidence of new-onset chronic opioid use, and lower consumption of opioids even at later time points up to 1 year after surgery. ⋯ While these preliminary studies are generally positive, large-scale, RCTs are needed to provide a more definitive picture of whether TPSs are effective in reducing opioid consumption and improving pain and mental health outcomes in the short and long term. With the expansion of TPSs across North America and globally, perioperative care focused on reducing the transition to pain chronicity has the potential to help millions of patients. With additional evidence from well-controlled RCTs, TPSs are well poised to continue to evolve and strengthen the role of multidisciplinary care teams in the immediate postdischarge period and beyond.
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Reg Anesth Pain Med · Feb 2025
ReviewRole of peripheral nerve stimulation and percutaneous cryoneurolysis in preventing chronic postsurgical pain.
Poorly controlled pain during the acute postoperative period is associated with the development of persistent or 'chronic' pain lasting months or years after surgery. Relatively small trials suggest that local anesthetic-based peripheral nerve blocks lasting hours or a few days may decrease persistent postsurgical pain for some surgical procedures, but definitive data is lacking. Two possible alternatives-percutaneous cryoneurolysis and peripheral nerve stimulation-are analgesic modalities with the potential to provide weeks or months of pain relief following surgery. This increase in analgesic duration raises the possibility of decreased transition from acute to chronic postsurgical pain. ⋯ This review describes percutaneous cryoneurolysis and peripheral nerve stimulation for perioperative analgesia as well as the available evidence supporting their use to prevent persistent postsurgical pain.
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Reg Anesth Pain Med · Feb 2025
ReviewEvidence for regional anesthesia in preventing chronic postsurgical pain.
Chronic postsurgical pain (CPSP) is a common adverse outcome following surgical procedures. Despite ongoing research, the risk factors and effective strategies for mitigating CPSP remain uncertain. Regional anesthesia is a potentially beneficial yet debated intervention for mitigating the risk of CPSP. ⋯ Techniques studied include wound infiltration, peripheral nerve blocks, fascial plane blocks, thoracic paravertebral blocks and epidural anesthesia. Current data indicate that epidural anesthesia might decrease CPSP risk following thoracotomy, wound infiltration may be effective after major breast surgery and cesarean delivery, and serratus anterior plane block or pectoralis/interpectoral plane blocks might be beneficial in breast surgery. However, the existing evidence is limited and marked by several constraints especially the multifactorial causes, underscoring the need for further research in this area.
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Reg Anesth Pain Med · Feb 2025
ReviewInnovations in acute and chronic pain biomarkers: enhancing diagnosis and personalized therapy.
Pain affects millions worldwide, posing significant challenges in diagnosis and treatment. Despite advances in understanding pain mechanisms, there remains a critical need for validated biomarkers to enhance diagnosis, prognostication, and personalized therapy. This review synthesizes recent advancements in identifying and validating acute and chronic pain biomarkers, including imaging, molecular, sensory, and neurophysiological approaches. ⋯ Rigorous validation and standardization efforts are also necessary to ensure these biomarkers are clinically useful. Large-scale collaborative research will be vital to driving progress in this field and implementing these biomarkers in clinical practice. This comprehensive review highlights the potential of biomarkers to transform acute and chronic pain management, offering hope for improved diagnosis, treatment personalization, and patient outcomes.