August 05, 2026
A newly published case report describes a woman with Glanzmann Thrombasthenia (GT) who developed life threatening bleeding after routine periodontal (gum) treatment despite receiving recommended preventive treatment with recombinant Factor VIIa (NovoSeven).
The patient had significant periodontal inflammation before treatment. Although she received standard preventive care, including recombinant Factor VIIa and local bleeding control measures, she experienced severe bleeding that required a three day hospitalization, multiple blood transfusions, and platelet support.
Following recovery, strict plaque control and treatment of the gum inflammation led to a dramatic improvement. Bleeding on probing decreased from 70% to 8%, suggesting that controlling periodontal disease may help reduce bleeding severity in some people with GT.
The authors emphasize that this is only a single case report and does not prove that periodontal inflammation caused the severe bleeding. However, it highlights the importance of regular dental care, good oral hygiene, and close coordination between dentists and hematologists when planning dental procedures for people with GT.
While every person with GT is different, this report serves as a reminder that bleeding is not always due to the underlying platelet disorder alone. Treating gum disease and reducing inflammation may be an important part of overall bleeding management alongside appropriate hematology care.