MRSA Decolonization

Clinical Case

Nasal colonization with MRSA, diagnosed via vestibular swab

Laser Used

Epic-S Diode Laser 940 nm

Accessory Used

400 um fiber with a cylindrical diffuser tip

Treatment Parameters

3 Watt CW non-contact mode, illumination for 3min

Authored by Physician

Yosef Krespi, MD
Professor of Otolaryngology, Hofstra School of Medicine, New York

Patient Symptoms

Persistent MRSA colonization around hair bearing anterior nasal skin. Failed medical management with topical antimicrobial agents.


Recurrent nasal infections of anterior nose. Multiple cultures showing methicillin resistant staph aureus.


Consider this treatment pre-operatively, when patient is scheduled for elective surgery in order to prevent severe wound infections. Two treatments a week apart is recommended.

Laser Surgery, Pre-Op

No anesthesia is necessary, patient will experience minor heat effect of the anterior nose during treatment. Laser can be pulsed to allow cooling of the region if excessive heat is generated.


Laser-assisted nasal decolonization of Staphylococcus aureus, including methicillin-resistant Staphylococcus aureus (Download PDF)
Laser disruption and killing of methicillin-resistant Staphylococcus aureus biofilms (Download PDF)

Contact Valam for more details