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      Implementierung eines Betriebskonzeptes in einer HNO-Klinik im Rahmen der SARS-CoV-2-Pandemie Translated title: Implementation of an operational concept in an ENT clinic in the context of the SARS-CoV-2 pandemic

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          Zusammenfassung

          Die SARS-CoV-2-Pandemie stellt das gesamte medizinische Versorgungssystem vor große Herausforderungen. Gerade in universitären Einrichtungen als Maximalversorger ist eine höhere Exposition zu potenziell infektiösen Patienten oder tatsächlichen COVID-19-Kranken zu erwarten. Es musste kurzfristig ein Betriebskonzept entwickelt werden, das den aktuellen Hygiene-Empfehlungen des Robert Koch-Instituts (RKI), den Empfehlungen der führenden Fachgesellschaften und dem daraus abgeleiteten internen Hygieneplan entsprach. Hierbei sind die Patientensicherheit und der Mitarbeiterschutz gleichermaßen zu beachten.

          In Zusammenarbeit mit dem Institut für Medizinische Mikrobiologie und Krankenhaushygiene sowie dem Betriebsärztlichen Dienst wurden Maßnahmen festgelegt, um trotz begrenzter diagnostischer und Ausrüstungsressourcen Lösungen zu erarbeiten, um die COVID-19-Übertragungsgefahr für Untersucher und Patienten zu minimieren. Hierzu wurde ein Betriebskonzept erarbeitet, das aus verschiedenen Einzelmaßnahmen bestand, wie z. B. der Reduktion der ambulanten Patientenbehandlung auf Notfälle, lebensbedrohliche Erkrankungen und dringliche Nachsorgen, eine Doppeltriage von Patienten sowie die Einführung von Behandlungsteams.

          Das neue erarbeitete Betriebskonzept konnte erfolgreich innerhalb weniger Tage umgesetzt werden. Nach ersten Erfahrungen aus dem Realbetrieb und mehreren „Hygienebegehungen“ waren lediglich geringfügige Nachbesserungen des Konzeptes erforderlich. Alle Maßnahmen wurden schriftlich im klinikinternen Qualitätshandbuch dokumentiert und sind allen Mitarbeitern zugänglich. Da es sich bei der SARS-CoV-2-Pandemie um einen dynamischen Prozess mit regelmäßiger Änderung des Entwicklungs- und Informationsstandes handelt, wird das Betriebskonzept regelmäßig neu auf Gültigkeit überprüft und ggf. angepasst.

          Abstract

          The SARS-CoV-2 pandemic poses major challenges for the entire medical care system. Especially in university institutions as maximum care providers, a higher exposure to potentially infectious patients or actual COVID-19 patients is to be expected. In a short period of time, an operational concept had to be developed regarding the current hygiene recommendations of the Robert Koch Institute (RKI), the leading medical societies and the internal hospital hygiene plan. Here, patient safety and employee protection are equally important.

          In cooperation with the Institute for Medical Microbiology and Hospital Hygiene and the occupational medical service, interventions were defined to develop solutions to minimize the COVID-19 transmission risk for examiners and patients despite limited diagnostic and equipment resources. For this purpose, an operational concept was developed, consisting of various individual actions, e. g. the reduction of outpatient treatment to emergencies, life-threatening diseases and urgent aftercare, a double triage of patients and the introduction of treatment teams.

          The newly developed operational concept was successfully implemented within a few days. After the initial rollout and several “hygiene inspections” only minor improvements to the concept were necessary. All measures were documented in the internal quality handbook and are accessible to all employees. Since the SARS-CoV-2 pandemic is a dynamic process with regular changes in the development and information status, the operational concept is regularly reviewed for validity and adjusted as necessary.

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          Most cited references6

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          SARS-CoV-2 Viral Load in Upper Respiratory Specimens of Infected Patients

          To the Editor: The 2019 novel coronavirus (SARS-CoV-2) epidemic, which was first reported in December 2019 in Wuhan, China, and has been declared a public health emergency of international concern by the World Health Organization, may progress to a pandemic associated with substantial morbidity and mortality. SARS-CoV-2 is genetically related to SARS-CoV, which caused a global epidemic with 8096 confirmed cases in more than 25 countries in 2002–2003. 1 The epidemic of SARS-CoV was successfully contained through public health interventions, including case detection and isolation. Transmission of SARS-CoV occurred mainly after days of illness 2 and was associated with modest viral loads in the respiratory tract early in the illness, with viral loads peaking approximately 10 days after symptom onset. 3 We monitored SARS-CoV-2 viral loads in upper respiratory specimens obtained from 18 patients (9 men and 9 women; median age, 59 years; range, 26 to 76) in Zhuhai, Guangdong, China, including 4 patients with secondary infections (1 of whom never had symptoms) within two family clusters (Table S1 in the Supplementary Appendix, available with the full text of this letter at NEJM.org). The patient who never had symptoms was a close contact of a patient with a known case and was therefore monitored. A total of 72 nasal swabs (sampled from the mid-turbinate and nasopharynx) (Figure 1A) and 72 throat swabs (Figure 1B) were analyzed, with 1 to 9 sequential samples obtained from each patient. Polyester flock swabs were used for all the patients. From January 7 through January 26, 2020, a total of 14 patients who had recently returned from Wuhan and had fever (≥37.3°C) received a diagnosis of Covid-19 (the illness caused by SARS-CoV-2) by means of reverse-transcriptase–polymerase-chain-reaction assay with primers and probes targeting the N and Orf1b genes of SARS-CoV-2; the assay was developed by the Chinese Center for Disease Control and Prevention. Samples were tested at the Guangdong Provincial Center for Disease Control and Prevention. Thirteen of 14 patients with imported cases had evidence of pneumonia on computed tomography (CT). None of them had visited the Huanan Seafood Wholesale Market in Wuhan within 14 days before symptom onset. Patients E, I, and P required admission to intensive care units, whereas the others had mild-to-moderate illness. Secondary infections were detected in close contacts of Patients E, I, and P. Patient E worked in Wuhan and visited his wife (Patient L), mother (Patient D), and a friend (Patient Z) in Zhuhai on January 17. Symptoms developed in Patients L and D on January 20 and January 22, respectively, with viral RNA detected in their nasal and throat swabs soon after symptom onset. Patient Z reported no clinical symptoms, but his nasal swabs (cycle threshold [Ct] values, 22 to 28) and throat swabs (Ct values, 30 to 32) tested positive on days 7, 10, and 11 after contact. A CT scan of Patient Z that was obtained on February 6 was unremarkable. Patients I and P lived in Wuhan and visited their daughter (Patient H) in Zhuhai on January 11 when their symptoms first developed. Fever developed in Patient H on January 17, with viral RNA detected in nasal and throat swabs on day 1 after symptom onset. We analyzed the viral load in nasal and throat swabs obtained from the 17 symptomatic patients in relation to day of onset of any symptoms (Figure 1C). Higher viral loads (inversely related to Ct value) were detected soon after symptom onset, with higher viral loads detected in the nose than in the throat. Our analysis suggests that the viral nucleic acid shedding pattern of patients infected with SARS-CoV-2 resembles that of patients with influenza 4 and appears different from that seen in patients infected with SARS-CoV. 3 The viral load that was detected in the asymptomatic patient was similar to that in the symptomatic patients, which suggests the transmission potential of asymptomatic or minimally symptomatic patients. These findings are in concordance with reports that transmission may occur early in the course of infection 5 and suggest that case detection and isolation may require strategies different from those required for the control of SARS-CoV. How SARS-CoV-2 viral load correlates with culturable virus needs to be determined. Identification of patients with few or no symptoms and with modest levels of detectable viral RNA in the oropharynx for at least 5 days suggests that we need better data to determine transmission dynamics and inform our screening practices.
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            Practical recommendations for critical care and anesthesiology teams caring for novel coronavirus (2019-nCoV) patients

            A global health emergency has been declared by the World Health Organization as the 2019-nCoV outbreak spreads across the world, with confirmed patients in Canada. Patients infected with 2019-nCoV are at risk for developing respiratory failure and requiring admission to critical care units. While providing optimal treatment for these patients, careful execution of infection control measures is necessary to prevent nosocomial transmission to other patients and to healthcare workers providing care. Although the exact mechanisms of transmission are currently unclear, human-to-human transmission can occur, and the risk of airborne spread during aerosol-generating medical procedures remains a concern in specific circumstances. This paper summarizes important considerations regarding patient screening, environmental controls, personal protective equipment, resuscitation measures (including intubation), and critical care unit operations planning as we prepare for the possibility of new imported cases or local outbreaks of 2019-nCoV. Although understanding of the 2019-nCoV virus is evolving, lessons learned from prior infectious disease challenges such as Severe Acute Respiratory Syndrome will hopefully improve our state of readiness regardless of the number of cases we eventually manage in Canada.
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              Preparing for a COVID-19 pandemic: a review of operating room outbreak response measures in a large tertiary hospital in Singapore

              The coronavirus disease 2019 (COVID-19) outbreak has been designated a public health emergency of international concern. To prepare for a pandemic, hospitals need a strategy to manage their space, staff, and supplies so that optimum care is provided to patients. In addition, infection prevention measures need to be implemented to reduce in-hospital transmission. In the operating room, these preparations involve multiple stakeholders and can present a significant challenge. Here, we describe the outbreak response measures of the anesthetic department staffing the largest (1,700-bed) academic tertiary level acute care hospital in Singapore (Singapore General Hospital) and a smaller regional hospital (Sengkang General Hospital). These include engineering controls such as identification and preparation of an isolation operating room, administrative measures such as modification of workflow and processes, introduction of personal protective equipment for staff, and formulation of clinical guidelines for anesthetic management. Simulation was valuable in evaluating the feasibility of new operating room set-ups or workflow. We also discuss how the hierarchy of controls can be used as a framework to plan the necessary measures during each phase of a pandemic, and review the evidence for the measures taken. These containment measures are necessary to optimize the quality of care provided to COVID-19 patients and to reduce the risk of viral transmission to other patients or healthcare workers.
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                Author and article information

                Journal
                Laryngorhinootologie
                Laryngorhinootologie
                10.1055/s-00000036
                Laryngo- Rhino- Otologie
                © Georg Thieme Verlag KG (Stuttgart · New York )
                0935-8943
                1438-8685
                August 2020
                28 May 2020
                : 99
                : 8
                : 552-560
                Affiliations
                [1 ]Klinik für Hals-Nasen-Ohrenheilkunde, Universitätsklinikum Frankfurt, Frankfurt am Main, Germany
                [2 ]Institut für Medizinische Mikrobiologie und Krankenhaushygiene, Universitäres Zentrum für Infektionskrankheiten, Hessisches universitäres Kompetenzzentrum Krankenhaushygiene, Universitätsklinikum Frankfurt, Frankfurt am Main, Germany
                [3 ]Betriebsärztlicher Dienst, Universitätsklinikum Frankfurt, Frankfurt am Main, Germany
                [4 ]Institut für Medizinische Virologie, Universitätsklinikum Frankfurt, Frankfurt am Main, Germany
                [5 ]Ärztlicher Direktor und Vorstandsvorsitzender, Universitätsklinikum Frankfurt, Frankfurt am Main, Germany
                Author notes
                Korrespondenzadresse Dr. Roxanne Weiss Klinik für Hals-Nasen-Ohrenheilkunde, Universitätsklinikum Frankfurt Theodor-Stern-Kai 760590 Frankfurt am MainGermany++ 49/69/63 01 56 74++ 49/69/6 30 18 04 73 roxanne.weiss@ 123456kgu.de
                Article
                10.1055/a-1174-0234
                7417936
                32464670
                7b04d5d6-4cc1-4e34-9467-f33969570991
                Copyright @ 2020

                This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

                History
                : 27 April 2020
                : 28 April 2020
                Categories
                Originalarbeit

                sars-cov-2,betriebskonzept,patientensicherheit,mitarbeiterschutz,pandemie,operational concept,patient safety,employee protection,pandemic

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