Impact of Germicidal Light
| Status: | Not yet recruiting |
|---|---|
| Healthy: | No |
| Age Range: | 18 - 120 |
| Updated: | 3/30/2019 |
| Start Date: | May 1, 2019 |
| End Date: | December 31, 2020 |
| Contact: | Randy W Loftus, MD |
| Email: | randy-loftus@uiowa.edu |
| Phone: | 319-467-6795 |
Evaluation of the Impact of Germicidal Light on Intraoperative S. Aureus Exposure
Visible light at 405nm has been shown to be germicidal. The hypothesis is that use of this
light (Indigo-Clean Lights) in operating rooms will reduce S. aureus transmission occurring
within and between patients and reduce surgical site infections (SSIs). Investigators will
evaluate a case-control study where patients undergoing surgery with the lights are matched
with patients undergoing surgery without germicidal lights.
light (Indigo-Clean Lights) in operating rooms will reduce S. aureus transmission occurring
within and between patients and reduce surgical site infections (SSIs). Investigators will
evaluate a case-control study where patients undergoing surgery with the lights are matched
with patients undergoing surgery without germicidal lights.
Operating room S. aureus exposure has been directly linked to postoperative infections and is
therefore an important target for infection prevention. Visible light at 405nm has been shown
to be germicidal. Investigators plan to install ambient, germicidal lighting (Indigo-Clean
Lights) that uses this wavelength in 4 operating rooms. Patients will undergo surgery
according to usual practice. Investigators will conduct a case-control study where patients
undergoing surgery with the lights are matched with patients undergoing surgery without the
germicidal lights. Patients will be matched by procedure then case duration then American
Society of Anesthesiologists (ASA) physical status health classification. These patients will
undergo infection surveillance. Infection surveillance will involve use of National
Healthcare Safety Network (NHSN) checklists applied to patients who are positive for one or
more of the initial screening criteria (elevated white blood cell count, fever (>38.4 degrees
Celsius), office note documentation of infection, positive culture (sputum, blood, urine,
wound, other body fluid), or anti-infective order within the 90 postoperative day period.
therefore an important target for infection prevention. Visible light at 405nm has been shown
to be germicidal. Investigators plan to install ambient, germicidal lighting (Indigo-Clean
Lights) that uses this wavelength in 4 operating rooms. Patients will undergo surgery
according to usual practice. Investigators will conduct a case-control study where patients
undergoing surgery with the lights are matched with patients undergoing surgery without the
germicidal lights. Patients will be matched by procedure then case duration then American
Society of Anesthesiologists (ASA) physical status health classification. These patients will
undergo infection surveillance. Infection surveillance will involve use of National
Healthcare Safety Network (NHSN) checklists applied to patients who are positive for one or
more of the initial screening criteria (elevated white blood cell count, fever (>38.4 degrees
Celsius), office note documentation of infection, positive culture (sputum, blood, urine,
wound, other body fluid), or anti-infective order within the 90 postoperative day period.
Inclusion Criteria:
- Adult, at least 18 years old
- Adult patients undergoing orthopedic, cardiothoracic, gyn/onc, and neuro surgery and
general anesthesia according to usual care with peripheral and/or central venous
access.
Exclusion Criteria:
- Pediatric (<18 years old),
- Incarcerated, and/or
- Pregnant patients
- Undergoing surgery and/or without peripheral or central venous access.
- Undergoing surgery outside of the classifications above
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