Use of allograft bone matrix in clinical orthopedics.

Clinical orthopedics continuously aims to improve methods for bone formation. Clinical applications where bone formation is necessary include critical long bone defects in orthopedic trauma or tumor patients. Though some biomaterials combined with autologous stem cells significantly improve bone repair, critical-size damages are still challenged with the suitable implantation of biomaterials and donor cell survival.

Three Deaths Associated With Facial and Upper Airway Burns Related to Oxygen Use.

Despite the implementation of numerous strategies to prevent unintentional burns, fire-related thermal injuries remain a significant source of morbidity and mortality. Unfortunately, fires that occur in the setting of medical oxygen do so despite many safeguards and warnings that accompany oxygen therapy. Oxygen-related accidental fires can occur both within the home and medical settings, and burns associated with these events tend to produce injuries of the face and upper airways.