Association between oral HSV-1 and survival in allogeneic hematopoietic stem cell transplanted patients.

Introduction: This study was designed to investigate the effect of oral HSV-1 shedding on the survival of allogeneic hematopoietic stem cell transplanted (allo-HSCT) patients.

Methods: One hundred nineteen allo-HSCT patients were included in the study and divided in three groups: before transplant, 100 days after transplant and 1 year of allo-HSCT. Healthy volunteers matched by age and gender were also selected.

Helicobacter pylori in the oral mucosa of patients submitted to allogeneic haematopoietic stem cell transplantation.

This study was designed to investigate the impact of haematopoietic stem cell transplantation (HSCT) on Helicobacter pylori colonization of the oral mucosa by nested polymerase chain reaction (nested-PCR). Forty six consecutive patients submitted to HSCT and 46 healthy volunteers were included in the study. Oral swabs were taken from the oral mucosa of the patients and control group.