Nerve Blocks for Post-Surgical Pain Management: A Narrative Review of Current Research

Emery Niyonkuru,1 Muhammad Asad Iqbal,2 Rui Zeng,1 Xu Zhang,2 Peng Ma1 1Department of Anesthesiology, Affiliated Hospital of Jiangsu University, Zhenjiang City, Jiangsu Province, People’s Republic of China; 2School of Medicine, Jiangsu University, Zhenjiang City, Jiangsu Province, People’s Republic of ChinaCorrespondence: Peng Ma, Anesthesiologist, Department of Anesthesiology, Affiliated Hospital of Jiangsu University, 438 Jie Fang Road, Zhenjiang City, Jiangsu Province, 212000, People’s Republic of China, Email [email protected]: Opioids remain the mainstay of post-surgical pain management; however, concerns regarding addiction and side effects necessitate the exploration of alternatives. This narrative review highlights the potential of nerve blocks as a safe and effective strategy for post-surgical pain control. This review explores the use of various nerve block techniques tailored to specific surgical procedures. These include nerve blocks for abdominal surgeries; fascial plane blocks for chest surgeries; nerve blocks for arm surgeries; and nerve blocks for lower limb surgery including; femoral, hip, and knee surgeries. By targeting specific nerves, these blocks can provide targeted pain relief without the negative side effects associated with opioids. Emerging evidence suggests that nerve blocks can be as effective as opioids in managing pain, while potentially offering additional benefits such as faster recovery, improved patient satisfaction, and reduced reliance on opioids. However, the effectiveness of nerve blocks varies depending on type of surgery, and in individual patients. Rebound pain, which temporary increase in pain after a block wears off, can occur. In addition, some techniques require specialized guidance for accurate placement. In conclusion, nerve blocks show great promise as effective alternatives for managing post-surgical pain. They can reduce the need for opioids and their side effects, leading to better patient outcomes and satisfaction. Future studies should assess the long-term impacts of specific nerve blocks on mortality rates, cost-effectiveness, and their incorporation into multimodal pain management approaches to further enhance post-surgical care.Keywords: postoperative pain, nerve blocks, opioid-sparing, pain management, surgical procedures, complications