The Prediction for Postoperative Pain

Status Completed

Clinical Trial Summary

If the individual patient's pain is assessed and the amount of analgesic needed after surgery is predicted, appropriate injection of pain control and excessive injection of narcotic analgesic can be prevented. Therefore, investigators try to evaluate the degree of pain during surgery and the amount of analgesic use for management of postoperative pain.

Clinical Trial Description

Post-operative pain not only alleviates patient discomfort, but also delays recovery and thus prolongs the hospital stay. There are many ways to control postoperative pain, but analgesic infusion through venous route, patient controlled analgesia (PCA), especially narcotic analgesics, is often used to control the infusion when needed. However, because PCA is based on only age, weight, and underlying diseases, there are limitations in effective analgesia, and excessive sedation due to excessive infusion. Therefore, if the individual patient's pain is assessed and the amount of analgesic needed after surgery is predicted, appropriate injection of pain control and excessive injection of narcotic analgesic can be prevented. The noxious stimuli during surgery may have a negative effect on the healing process and surgical outcome of the wound due to stress reaction and catabolism, secretion of pituitary hormone, activation of the sympathetic nervous system, and immunological changes. Therefore, proper analgesia is needed during general anesthesia. A non-invasive, non-invasive analgesic device is currently available for Surgical pleth index (SPI) to assess the status of intraoperative analgesia. SPI = 100- (0.3 * heart beat interval + 0.7 * photoplethysmographic pulse wave amplitude) is automatically and continuously calculated from the waveform of peripheral oxygen saturation.

In the postoperative pain prediction study with SPI, the SPI value at the end of the operation was found to be proportional to the pain in the recovery room. However, only the pain score immediately after the operation was confirmed in these studies. Therefore, investigators try to evaluate the degree of pain during surgery and the amount of analgesic use for management of postoperative pain. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03585088
Study type	Interventional
Source	Samsung Medical Center
Contact
Status	Completed
Phase	N/A
Start date	June 30, 2018
Completion date	October 19, 2018

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.