Sterility of Miniature C-arm Fluoroscopy in Hand and Upper Extremity Surgery

Abstract

Previous studies have demonstrated that sterile equipment is frequently contaminated intraoperatively, yet the incidence of miniature c-arm (MCA) contamination in hand and upper extremity surgery is unclear. To examine this incidence, a prospective study of MCA sterility in hand and upper extremity cases was performed in a hospital main operating room (MOR) (n = 13) or an ambulatory surgery center operating room (AOR) (n = 16) at a single tertiary care center. Case length, MCA usage parameters, and sterility of the MCA through the case were examined. We found that MOR surgical times trended toward significance (p = 0.055) and that MOR MCAs had significantly more contamination prior to draping than AOR MCAs (p < 0.001). In MORs and AORs, 46.2 and 37.5% of MCAs respectively were contaminated intraoperatively. In MORs and AORs, 85.7 and 80% of noncontaminated cases, respectively, used the above hand- table technique, while 50 and 83.3% of contaminated MOR and AOR cases, respectively, used a below hand-table technique. Similar CPT codes were noted in both settings. Thus, a high-rate of MCA intraoperative contamination occurs in both settings. MCA placement below the hand-table may impact intraoperative contamination, even to distant MCA areas. Regular sterilization of equipment and awareness of these possible risk factors could lower bacterial burden.

Keywords

Miniature C-arm - infection - contamination - surgical contamination - hand - surgery

^* Both the authors contributed equally to the study.

Publication History

Article published online:
26 July 2020

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