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Comparison of Topical Rifamycin and a Chlorhexidine-Containing Wound Dressing in Infected and Non-Infected
Kadir Yağız Türker1, Irem Saadet Odabaş2, Oya Evirgen2
1Department of General Surgery, Ankara University Faculty of Medicine, Ankara, Turkey.
The International Journal of Lower Extremity Wounds
|July 17, 2026
Summary
A chlorhexidine-containing wound dressing (CHD) showed a trend toward better wound healing and reduced bacterial load compared to topical rifamycin in rat models. However, no statistically significant differences were observed between the two treatments.
Area of Science:
- Wound Healing Research
- Infectious Disease Research
- Dermatology
Background:
- Effective wound management is crucial for patient outcomes.
- Topical antimicrobials and advanced dressings play a key role in preventing and treating wound infections.
- Comparing the efficacy of different wound care modalities is essential for evidence-based practice.
Purpose of the Study:
- To compare the efficacy of topical rifamycin and a chlorhexidine-containing wound dressing (CHD) in promoting wound healing.
- To evaluate the impact of these treatments on microbial load in infected and non-infected wound models.
- To provide data informing the clinical application of rifamycin and CHD.
Main Methods:
- A study involving thirty rats with surgically created full-thickness wounds.
- Wound models were either left non-infected or infected with *Staphylococcus aureus*.
- Treatments included saline irrigation (control), topical rifamycin, or a chlorhexidine-containing dressing (CHD).
Main Results:
- Histological analysis on day 7 indicated higher wound healing scores in the CHD and rifamycin groups compared to the control.
- The CHD group demonstrated a trend towards better wound healing and lower bacterial counts in infected wounds.
- No statistically significant differences in wound healing or microbial load were found between the rifamycin and CHD groups in either non-infected or infected models.
Conclusions:
- Topical rifamycin and chlorhexidine-containing wound dressings (CHD) both support wound healing.
- CHD showed a tendency to be more effective than rifamycin in reducing bacterial load and improving wound healing.
- Further research may be needed to establish statistically significant differences in clinical settings.
