Oral care methods to reduce salivary bacteria in infants undergoing cardiac surgery: A randomized controlled trial

Hiromi Honda1, Madoka Funahara1, Kanako Nose2

  • 1School of Oral Health Sciences Faculty of Dentistry Kyushu Dental University, Kitakyushu, Japan.

PubMed

Insights

Systemic antibiotics significantly reduced oral bacteria after pediatric cardiac surgery. Postoperative antiseptic mouthwash with povidone-iodine (PV-I) further decreased bacterial counts in infants.

Area of Science:

  • Pediatric Surgery
  • Microbiology
  • Infectious Disease Prevention

Background:

  • Postoperative complications like pneumonia are risks after pediatric cardiac surgery.
  • Limited research exists on perioperative oral bacterial changes in these patients.
  • Understanding oral flora dynamics is crucial for infection control.

Purpose of the Study:

  • To investigate changes in oral bacterial counts in infants undergoing cardiac surgery.
  • To evaluate the impact of antiseptic mouthwash on postoperative oral bacteria.
  • To assess the effectiveness of different oral care interventions.

Main Methods:

  • 102 infants with congenital heart disease underwent surgery.
  • Salivary bacterial counts were measured pre- and post-oral care.
  • Postoperative groups received water, benzethonium chloride (BZ), or povidone-iodine (PV-I) mouthwash.
  • Bacterial counts were assessed before and after oral care in each group.

Main Results:

  • Preoperative oral care did not alter bacterial counts.
  • Postoperative bacterial counts were lower, likely due to antibiotics.
  • No significant difference in bacterial counts between water and BZ groups post-care.
  • PV-I mouthwash significantly reduced bacterial counts post-care.

Conclusions:

  • Systemic antibiotics effectively reduce postoperative oral bacteria in infants.
  • Povidone-iodine (PV-I) mouthwash provides additional bacterial reduction.
  • Antiseptic oral care can be a valuable adjunct in preventing complications.
Abstract

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