Active clinical trials for "Pain, Postoperative"

Pain control after surgery is important for patient well-being and recovery. We are interested in determining whether we can improve the duration of action of a local anesthetic procedure (transversus abdominis plane block, or TAP block) by adding magnesium sulfate to local anesthetics given to patients after total abdominal hysterectomy with or without salpingo-oophorectomy.

The objective of this study is to see how pain management and its outcomes are effected when pharmacogenomic testing is used to determine patient specific pain medication and dosing. Our goal is to determine if through the use of analgesic genetic testing, TKA post-operative patients will see a decrease in narcotic consumption, postsurgical opioid- related adverse reactions, and length of stay, overall NRS pain scores and while maintaining or improving their satisfaction scores.

This pilot research study is being performed to learn more about pain and look at how pain changes brain chemistry and function. The research team would like to learn new information to better control chronic pain after surgery. This information collected in this research will be used to plan possible future visits. Participants in this study are being asked to participate because they are scheduled for an upcoming surgery. The research team would like to observe them before and after their surgery.

A multimodal analgesic regimen including regional anesthesia is used at UPMC Shadyside for primary thoracic and major abdominal surgeries. The current standard-of-care regional anesthesia techniques include Erector Spinae Plane (ESP) block for video assisted thorascopic surgery (VATS) and Quadratus Lumborum (QL) block for major abdominal surgery. These blocks are routinely administered as a continuous catheter technique in order to extend the duration of postoperative analgesia. Although rare, continuous nerve block techniques carry risks and limitations, including catheter dislodgement, migration, kinking and leaking at the site, bleeding, and infection. They are also much more expensive to perform and maintain than single-injection nerve blocks at this institution. Perioperative intravenous (IV) lidocaine is one of the safest local anesthetics, and its use has been shown to provide analgesia and reduce opioid requirements. Furthermore, it has been hypothesized that part of the analgesic efficacy of continuous peripheral nerve blocks may be due to the systemic effects of the local anesthetic infused at the site. Therefore, it is possible that the combination of a single block followed by an infusion of IV lidocaine may provide the same benefits as a continuous nerve block at a lower cost. The purpose of this study is to show that a single block technique plus IV lidocaine is non-inferior to a continuous block technique. For the purpose of this study we chose two surgical models--VATS and major abdominal surgery--and ESP and QL blocks, respectively. The study will be conducted as a prospective, randomized (1:1), open-label, active-comparator, noninferiority trial. The study will prospectively investigate the efficacy of continuous block versus single block plus IV lidocaine infusion for postoperative pain management in patients undergoing primary unilateral VATS or primary major abdominal surgery.

The purpose of this study is to determine whether, for surgery of the tibia, one dose of methadone provides better control of pain afterward as compared to morphine, which is the usual drug given to control pain after surgery. Immediately after the beginning of general anesthesia ("intraoperatively"), subjects will receive one dose of either methadone or morphine, in the amount of 0.2 milligrams per kilogram of body weight, intravenously. The primary hypothesis is that, subjects who receive one dose of methadone intraoperatively will require less pain medicine than subjects who receive one dose of morphine intraoperatively.

The purpose of this study is to evaluate the mobilization characteristics, clinical use, safety and Ease of Care (EOC) of a fentanyl Iontophoretic Transdermal Patient Controlled Analgesia (PCA) system (Ionsys) and morphine intravenous (IV) PCA for management of moderate (medium level of seriousness) to severe (very serious) acute (a quick and severe) pain in participants who have undergone elective major abdominal or orthopedic (pertaining to the bones) surgery.

The improvement of postoperative analgesia is an important issue in orthopedic surgery, especially after total knee arthroplasty The use of a peripheral nerve block such as the adductor canal block is favored since it offers a postoperative analgesia superior to opioids, and also preserves the strength of the quadriceps, as opposed to the femoral block. The adductor canal block can be given as a single injection (single shot) or a continuous perineural infusion to extend the block's analgesic duration. It is unclear if the continuous infusion is superior to the single shot. Indeed, a high catheter dislodgement rate is observed for this location and local anesthetics could migrate into the femoral canal, resulting in quadriceps weakness. Alternatively, adequate postoperative analgesia has been shown effective with a single shot adductor canal block combined with extended release opioids. The primary objective in this study is to compare two analgesic protocols on the pain score at walk 24 hours after total knee arthroplasty. Here are the two protocols compared : Adductor canal block followed by continuous perineural perfusion for 48 hours Adductor canal block (single shot) followed by hydromorphone extended release formulation for 48 hours In addition to analgesic adjuvants administered in both groups : acetaminophen, celecoxib, pregabalin, dexamethasone and periarticular infiltration. Our hypothesis is that both protocols ensure a similar analgesia.

Recently, the uses of peripheral axial blocks that deliver local anesthetic into the transversus abdominis fascial plane have become popular for operations that involve incision(s) of the abdominal wall. Thus, the Transversus Abdominis plane (TAP) block has been shown to reduce perioperative opioid use in elective abdominal surgery, including open appendicectomy, laparotomy, and laparoscopic cholecystectomy. Currently, the Quadratus Lumborum block (QL block) is performed as one of the perioperative pain management procedures for all generations (pediatrics, pregnant, and adult) undergoing abdominal surgery. The local anesthetic injected via the approach of the posterior QL block ( QL 2 block ) can more easily extend beyond the TAP to the thoracic paravertebral space or the thoracolumbar plane, the posterior QL block entails a broader sensory-level analgesic and may generate analgesia from T7 to L1. Use of posterior QL block in laparoscopic prostatectomy has not been investigated before and it is the variant that will be discussed in our study.

The investigators will approach elective cardiac and thoracic surgery patients in the preoperative consultation clinic. Consenting individuals will be administered, before surgery validated pain, psychological and sleep questionnaires. These questionnaires will be repeated at 3, 6 and 12 months postoperatively (PO) to follow up the progression of early PO pain and the transition to chronicity. Participants will define clinically relevant pain by calculating a chronic pain index (CPI). In addition, the investigators will follow the development of acute postsurgical and chronic pain from before surgery up to a year after, extract DNA from blood and contrast the genetic variations of participants with clinically significant chronic pain, to identify variations associated with the development of chronic post-surgical pain.

This study aims to determine if administration of gabapentin preoperatively followed by a standing postoperative course is effective in reducing and possibly eliminating the use of opioid analgesics following this procedure. As a secondary outcome, it will evaluate the possible improvement in post tonsillectomy pain control with the use of a standing dose of gabapentin.