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Atypical clinical presentation of COVID-19 infection in residents of a long-term care facility

ABSTRACT: Key summary points Aim To assess the magnitude of the infection in residents from—and staff working in—a long-term-care facility (LTCF) 7 days after the identification of one resident with confirmed COVID-19 infection and the clinical presentation of the infected residents. Findings Two weeks after the first case, 50.9% of residents and 27.5% of the workers were tested positive for SARS-CoV-2. Diarrhea, fall, delirium, and hypothermia can be initial symptoms of COVID-19 in LTCF residents. Message The rapid dissemination of a COVID-19 infection in a LTCF may be due to a delay in the diagnosis of the first case, whose presentation could be atypical in residents. Purpose To assess the magnitude of the infection in residents from—and staff working in—a long-term-care facility (LTCF) 7 days after the identification of one resident with confirmed COVID-19 infection and to assess the clinical presentation of the infected residents. Methods All residents and staff members of a LTCF were tested for SARS-CoV-2 by real-time reverse-transcriptase polymerase chain reaction on nasopharyngeal swab. Residents were studied clinically 4 weeks after the first COVID diagnosis. Results Thirty-eight of the 79 residents (48.1%) tested positive for SARS-CoV-2. Respiratory symptoms were preceded by diarrhea (26.3%), a fall (18.4%), fluctuating temperature with hypothermia (34.2%) and delirium in one resident. Respiratory symptoms, including cough and oxygen desaturation, appeared after those initial symptoms or as the first sign in 36.8% and 52.2%, respectively. At any time of the disease, fever was observed in 65.8%. Twelve deaths occurred among the COVID-19 residents. Among the 41 residents negative for SARS-CoV-2, symptoms included cough (21.9%), diarrhea (7.3%), fever (21.9%), hypothermia (9.7%), and transient hypoxemia (9.8%). No deaths were observed in this group. 27.5% of the workers were also COVID-19 positive. Conclusion The rapid dissemination of the COVID-19 infection may be explained by the delay in the diagnosis of the first cases due to atypical presentation. Early recognition of symptoms compatible with COVID-19 may help to diagnose COVID-19 residents earlier and test for SARS-CoV-2 symptomatic and asymptomatic staff and residents earlier to implement appropriate infection control practices.

SUBMITTER: Blain H

PROVIDER: S-EPMC7538265 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Project description:Background/objectivesThe coronavirus disease 2019 (COVID-19) pandemic has taken a disproportionate toll on long-term care facility residents and staff. Our objective was to review the empirical evidence on facility characteristics associated with COVID-19 cases and deaths.DesignSystematic review.SettingLong-term care facilities (nursing homes and assisted living communities).ParticipantsThirty-six empirical studies of factors associated with COVID-19 cases and deaths in long-term care facilities published between January 1, 2020 and June 15, 2021.MeasurementsOutcomes included the probability of at least one case or death (or other defined threshold); numbers of cases and deaths, measured variably.ResultsLarger, more rigorous studies were fairly consistent in their assessment of risk factors for COVID-19 outcomes in long-term care facilities. Larger bed size and location in an area with high COVID-19 prevalence were the strongest and most consistent predictors of facilities having more COVID-19 cases and deaths. Outcomes varied by facility racial composition, differences that were partially explained by facility size and community COVID-19 prevalence. More staff members were associated with a higher probability of any outbreak; however, in facilities with known cases, higher staffing was associated with fewer deaths. Other characteristics, such as Nursing Home Compare 5-star ratings, ownership, and prior infection control citations, did not have consistent associations with COVID-19 outcomes.ConclusionGiven the importance of community COVID-19 prevalence and facility size, studies that failed to control for these factors were likely confounded. Better control of community COVID-19 spread would have been critical for mitigating much of the morbidity and mortality long-term care residents and staff experienced during the pandemic. Traditional quality measures such as Nursing Home Compare 5-Star ratings and past deficiencies were not consistent indicators of pandemic preparedness, likely because COVID-19 presented a novel problem requiring extensive adaptation by both long-term care providers and policymakers.

Project description:BackgroundThe COVID-19 pandemic wreaked havoc on long-term care facilities (LTCFs). Some LTCFs performed better than others at slowing COVID-19 transmission. Emerging literature has mostly described infection prevention and control strategies implemented by LTCFs during the pandemic. However, there is a need for a comprehensive review of factors that influenced the performance of LTCFs in containing COVID-19 spread to inform public health policy.ObjectiveTo build on the existing literature, we conducted a scoping review of factors that influenced LTCF performance during the COVID-19 pandemic using a multidimensional conceptual framework of performance.MethodsWe followed the Joanna Briggs Institute's methodology for scoping reviews. We queried CINAHL, MEDLINE (Ovid), CAIRN, Science Direct, Scopus, and Web of Science for peer-reviewed literature in English or French published between January 1st, 2020 and December 31st, 2021. Retrieved records were screened for context (COVID-19 pandemic), population (LTCFs), interest (internal and external factors that influenced LTCF performance), and outcomes (dimensions of performance: equity, accessibility, reactivity, safety, continuity, efficacy, viability, efficiency). Descriptive characteristics of included articles were summarized. Dimensions of performance as well as internal (e.g., facility characteristics) and external (e.g., visitors) factors identified to have influenced LTCF performance were presented.ResultsWe retained 140 articles of which 68% were classified as research articles, 47% originated in North America, and most covered a period between March and July 2020. The most frequent dimensions of performance were "efficacy" (75.7%) and "safety" (75.7%). The most common internal factors were "organizational context" (72.9%) and "human resources" (62.1%), and the most common external factors were "visitors" (27.1%) and "public health guidelines" (25.7%).ConclusionsOur review contributes to a global interest in understanding the impact of the COVID-19 pandemic on vulnerable populations residing and working in LTCFs. Though a myriad of factors were reported, a lack of randomized controlled trials makes it impossible to establish causality between the identified factors and LTCF performance. The use of a multidimensional framework can be recommended to evaluate healthcare system performance not merely in terms of efficacy and safety, but alongside other critical dimensions such as efficiency and equity.Trial registrationResearch Registry ID: researchregistry7026.

Project description:Background:Rationale and aims of the study were to compare colonization frequencies with MDR bacteria isolated from LTCF residents in three different Northern Italian regions, to investigate risk factors for colonization and the genotypic characteristics of isolates. The screening included Enterobacteriaceae expressing extended-spectrum ?-lactamases (ES?Ls) and high-level AmpC cephalosporinases, carbapenemase-producing Enterobacteriaceae, Pseudomonas aeruginosa or Acinetobacter baumannii, methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant enterococci (VRE). Methods:Urine samples and rectal, inguinal, oropharyngeal and nasal swabs were plated on selective agar; resistance genes were sought by PCR and sequencing. Demographic and clinical data were collected. Results:Among the LTCF residents, 75.0% (78/104), 69.4% (84/121) and 66.1% (76/115) were colonized with at least one of the target organisms in LTCFs located in Milan, Piacenza and Bolzano, respectively. ES?L producers (60.5, 66.1 and 53.0%) were highly predominant, mainly belonging to Escherichia coli expressing CTX-M group-1 enzymes. Carbapenemase-producing enterobacteria were found in 7.6, 0.0 and 1.6% of residents; carbapemenase-producing P. aeruginosa and A. baumannii were also detected. Colonization by MRSA (24.0, 5.7 and 14.8%) and VRE (20.2, 0.8 and 0.8%) was highly variable. Several risk factors for colonization by ES?L-producing Enterobacteriaceae and MRSA were found and compared among LTCFs in the three Provinces. Colonization differences among the enrolled LTCFs can be partially explained by variation in risk factors, resident populations and staff/resident ratios, applied hygiene measures and especially the local antibiotic resistance epidemiology. Conclusions:The widespread diffusion of MDR bacteria in LTCFs within three Italian Provinces confirms that LTCFs are an important reservoir of MDR organisms in Italy and suggests that future efforts should focus on MDR screening, improved implementation of infection control strategies and antibiotic stewardship programs targeting the complex aspects of LTCFs.

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Atypical clinical presentation of COVID-19 infection in residents of a long-term care facility

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