Corticosteroids or platelet-rich plasma injections for rotator cuff tendinopathy: a randomized clinical trial study.

Background: Studies evaluating the role of both corticosteroids and platelet-rich plasma (PRP) in the treatment of rotator cuff (RC) tendinopathies have been contradicting. We compared structural and clinical changes in RC muscles after corticosteroids and PRP injections.

Methods: This is a randomized double-blind clinical trial.

Analysis of electrocautery smoke released from the tissues frequently cut in orthopedic surgeries.

Background: Electrosurgical smoke could be different by the device of cutting or the type of tissue that is being cut.

Aim: To analyze the electrocautery smoke released from the tissues that are frequently cut in orthopedic surgeries.

Methods: The released smoke from electrocautery of five different tissue types (meniscus, ligament, adipose, muscle, and synovium) of five patients who underwent total knee arthroplasty were collected and analyzed for volatile organic compounds (VOCs) and 27 candidate polycyclic aromatic hydrocarbons ( = 25).