Karolinska University Hospital

This study checked how well the Pfizer/BioNTech COVID-19 vaccine worked in people with weakened immune systems compared to healthy people. Researchers followed 539 adults, including those with conditions like HIV, organ transplants, and cancer, measuring their antibody levels and…

This study tested a new treatment for severe, untreatable hoarseness caused by scarring on the vocal cords. Researchers took a small number of patients' own stem cells from their bone marrow and injected them into the scarred vocal cords during surgery. The main goal was to see i…

This study tested whether waiting longer after completing chemotherapy and radiation before esophageal cancer surgery leads to better outcomes. Researchers compared surgery at 4-6 weeks versus 10-12 weeks after treatment ended in 202 patients. The goal was to see if the longer wa…

This study looked back at the medical records of 15,000 trauma patients to understand bleeding from severe neck and facial injuries. Researchers analyzed how these injuries happened, how they were treated, and which patients died from bleeding within 30 days. The goal is to use t…