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The current Sars-CoV-2 (COVID-19) pandemic has created major changes in how physicians perform routine healthcare for our patients, including elective and non-elective surgical procedures. Beginning on March 16th, 2020 Northwell Health postponed all elective surgeries. As the incidence of COVID-19 cases begins to decrease and hospital volume improves we need to ensure the safety of our patients planning surgical procedures. However, at this time there is a scarcity of data regarding the COVID-19 test conversion rate in surgical patients. Our goal is to determine the COVID-19 test conversion rate in these patients to better guide strategies for restarting surgical care in a large-scale pandemic.
Patients will be routinely tested with serology and PCR for COVID-19 24-48 hours prior to their scheduled surgery. Those who provide informed consent will be re-tested 12-16 days after discharge from the hospital to determine any potential nosocomial infection rate. Patients will also answer a few questions during their retest to allow the study team to gauge exposure risk postoperatively after leaving the hospital.
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The rapid spread of the COVID-19 infection has led to a near global lockdown including a pause in all elective surgeries [1-6]. Multiple healthcare systems and surgical societies recommended ceasing all elective procedures until this crisis is contained [7-10]. As such, it will be necessary for hospitals to restructure as surgeries increase to protect surgical patients from becoming infected. Our study will be the first to define the test conversion rate of those undergoing surgical procedures during the COVID-19 pandemic. The information gathered from this study can have implications in how surgical centers treat patients during and after this pandemic.
There has been a single study examining postoperative nosocomial infections during the initial incubation period in which 100% of patients developed Sars-CoV-2 viral pneumonia, 14 (44%) required ICU admission with mechanical ventilation, and 7 (20.5%) died after ICU admission [11]. A second cohort of bariatric surgery patients found that 4 of 4 (100%) developed Sars-CoV-2 infections postoperatively with all patients surviving [12]. Another retrospective study found that of 305 patients admitted to the digestive surgery service, 15 (4.9%) developed nosocomial Sars-CoV-2 pneumonia [13]. Of this cohort, two patients died, and seven were hospitalized with six discharged at the time of chart review. Another retrospective non-operative hospital cohort found that 34 of 102 adult patients contracted Sars-CoV-2 as a nosocomial infection. In a review of Gynecologic Oncology procedures in Wuhan the overall nosocomial infection rate was 1.59% (3/189) with two of the three patients being discharged by the publication date [14]. However, in a retrospective review of a general hospital ward in Hong Kong in which the staff used 'vigilant basic infection control measures' 10 patients and 7 staff members that met the definition for close contact were identified and through contact tracing 76 tests were performed on 52 contacts with no Sars-CoV-2 infections identified [15]. Another cohort from Wuhan demonstrated that when performing regional anesthesia (45/49 for Cesarean Section), no anesthetists were infected when complying with level 3 PPE [16].
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Data sourced from clinicaltrials.gov
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