POSTOPERATIVE ANALGESIA

This study tests whether a single spray of numbing medicine inside the chest can reduce pain caused by drainage tubes after lung surgery. About 300 adults having keyhole lung surgery will be randomly assigned to receive one of two numbing sprays or a placebo spray. Researchers wi…

This study compares two ways to numb the area for pain relief after posthectomy (circumcision) in children. About 240 boys will get either an ultrasound-guided penile block or a nerve-stimulated pudendal block. The goal is to see if the ultrasound method works just as well for co…

This study compares two types of nerve blocks to see which one controls pain better after knee arthroscopy. About 72 adults having knee surgery will receive one of the two blocks. The goal is to find which approach keeps patients more comfortable and delays the need for extra pai…

This study compares two pain medicines given through a pump after brain surgery. The goal is to see if oliceridine causes less nausea than the standard drug sufentanil. About 174 adults having surgery in the back of the head will take part. Researchers will track nausea, pain lev…

This study tests whether giving a combination of two medicines (dexmedetomidine and esketamine) before and after spinal surgery can lower the chance of long-term pain. About 274 adults aged 40 to 79 having spine surgery will take part. The goal is to see if this drug pair works b…

This study tests whether adding morphine or dexmedetomidine to a standard numbing medicine (bupivacaine) provides better pain relief after knee surgery. Fifteen adults undergoing knee surgery will receive one of the two combinations via a nerve block. The main goal is to see how …

This study will test three different pain-relief methods in 147 men having robotic prostate surgery. The goal is to see which method controls pain best, reduces the need for strong painkillers, and helps patients recover faster. Participants will receive one of three nerve blocks…