RESUMO Objetivo: Descrever o processo de implementação e os resultados preliminares de um sistema de vigilância epidemiológica para endoftalmites associada à assistência à saúde. Métodos: Trata-se de um estudo de caso de implementação de um sistema de vigilância epidemiológica para endoftalmites. O sistema de vigilância epidemiológica para endoftalmites é um sistema estruturado que possibilita a vigilância de casos de endoftalmite associados à assistência à saúde após procedimentos oftalmológicos invasivos, desenvolvido e coordenado pela Divisão de Infecção Hospitalar da Secretaria de Estado da Saúde, São Paulo, Brasil. O processo de implementação incluiu uma fase piloto, seguida pela fase de expansão. Os dados foram enviados mensalmente à Divisão de Infecção Hospitalar pelos estabelecimentos de saúde participantes que realizaram procedimentos oftalmológicos no estado de São Paulo, Brasil no período de setembro de 2017 a dezembro de 2019. Resultados: Entre os 1.483 estabelecimentos de saúde elegíveis, 175 participaram do estudo (taxa de adesão de 11,8%), relatando 222.728 procedimentos oftalmológicos realizados, sendo 164.207 cirurgias de catarata e 58.521 injeções intravítreas. A taxa de incidência global de endoftalmite relatada foi de 0,05% (n=105; 80 casos após cirurgia de catarata e 25 casos após injeção intravítrea). As taxas de incidência entre os estabelecimentos de saúde variaram de 0,02% a 4,55%. A maioria dos casos foi causada por bactérias gram-positivas, principalmente Staphylococcus spp. Em 36 (46,2%) casos não houve crescimento bacteriano; nenhuma amostra foi coletada em 28 (26,7%) casos. O sistema de vigilância epidemiológica para endoftalmites possibilitou a identificação de um surto de quatro casos de endoftalmite após injeção intravítrea. Conclusão: O sistema de vigilância epidemiológica para endoftalmites mostrou-se operacionalmente viável e eficiente para o monitoramento de casos de endoftalmite em nível estadual. Objetivo Métodos Tratase Trata se invasivos Saúde Paulo piloto expansão 201 2019 Resultados 1483 1 483 1.48 elegíveis 17 11,8%, 118 11,8% , 11 8 11,8%) 222728 222 728 222.72 realizados 164207 164 207 164.20 58521 58 521 58.52 intravítreas 005 0 05 0,05 n=105 n105 n 105 (n=105 2 intravítrea . intravítrea) 002 02 0,02 455 4 55 4,55% grampositivas, grampositivas gram positivas, positivas gram-positivas spp 3 46,2% 462 46 (46,2% bacteriano 26,7% 267 26 7 (26,7% Conclusão mostrouse mostrou estadual 20 148 48 1.4 11,8 22272 22 72 222.7 16420 16 164.2 5852 5 52 58.5 00 0,0 n=10 n10 10 (n=10 45 4,55 46,2 (46,2 26,7 (26,7 14 1. 11, 2227 222. 1642 164. 585 58. 0, n=1 n1 (n=1 4,5 46, (46, 26, (26, n= (n= 4, (46 (26 (n (4 (2 (

ABSTRACT Purpose: To describe the implementation pro cess and the preliminary results of a surveillance system for healthcare-associated endophthalmitis. Methods: This is a case study of the implementation of a surveillance system for healthcare-associated endophthalmitis. The system for healthcare-associated endophthalmitis is a structured system that enables surveillance of cases of healthcare-associated endophthalmitis after intraocular procedures, developed and coordinated by the Division of Hospital Infection at the State Health Department, São Paulo, Brazil. The implementation process included a pilot phase, followed by a scaling-up phase. Data were reported monthly to the Division of Hospital Infection by participating healthcare facilities that performed intraocular procedures in the state of São Paulo, Brazil, from September 2017 to December 2019. Results: Among the 1,483 eligible healthcare facilities, 175 engaged in the study (participation rate of 11.8%), reporting 222,728 intraocular procedures performed, of which 164,207 were cataract surgery and 58,521 were intravitreal injections. The overall incidence rate of endophthalmitis was reported to be 0.05% (n=105; 80 cases after cataract surgery and 25 cases after intravitreal injections). The incidence rates for healthcare facilities ranged from 0.02% to 4.55%. Most cases were caused by gram-positive bacteria, mainly Staphylococcus spp. In 36 (46.2%) of the cases, there was no bacterial growth; no sample was collected in 28 (26.7%) cases. This system for healthcare-associated endophthalmitis enabled the identification of an outbreak of four cases of endophthalmitis after intravitreal injections. Conclusion: The system for healthcare-associated endophthalmitis proved to be operationally viable and efficient for monitoring cases of endophthalmitis at the state level. Purpose healthcareassociated associated Methods Department Paulo Brazil phase scalingup scaling up 201 2019 Results 1483 1 483 1,48 17 participation 11.8%, 118 11.8% , 11 8 11.8%) 222728 222 728 222,72 164207 164 207 164,20 58521 58 521 58,52 injections 005 0 05 0.05 n=105 n105 n 105 (n=105 2 . injections) 002 02 0.02 455 4 55 4.55% grampositive gram positive bacteria spp 3 46.2% 462 46 (46.2% growth 26.7% 267 26 7 (26.7% Conclusion level 20 148 48 1,4 11.8 22272 22 72 222,7 16420 16 164,2 5852 5 52 58,5 00 0.0 n=10 n10 10 (n=10 45 4.55 46.2 (46.2 26.7 (26.7 14 1, 11. 2227 222, 1642 164, 585 58, 0. n=1 n1 (n=1 4.5 46. (46. 26. (26. n= (n= 4. (46 (26 (n (4 (2 (

Abstract Background This study aimed to analyze the Healthcare-Associated Infections (HAI) rates and antimicrobial consumption in Intensive Care Units (ICU) in São Paulo city during the COVID-19 pandemic and compare them with the pre-pandemic period. Methods This cohort included all hospitals that reported HAI rates (Central-Line-Associated Bloodstream Infection ‒ CLABSI and Ventilator-Associated Pneumonia ‒ VAP), the proportion of microorganisms that caused CLABSI, the proportion of resistant microorganisms, and antimicrobial consumption from January 2017 ‒ December 2020. Hospitals were stratified by the number of beds, Central Venous Catheter (CVC) utilization rate, Mechanical-Ventilation (MV) utilization rate, and type of funding. Statistical analyses were based on time-series plots and regression models. Results 220 ICUs were included. The authors observed an abrupt increase in CLABSI rates after the pandemic onset. High CLABSI rates during the pandemic were associated with hospital size, funding (public and non-profit private), and low CVC use (≤ 50%). An increase in VAP rates was associated with public hospitals, and high MV use (> 35%). The susceptibility profile of microorganisms did not differ from that of the pre-pandemic period. polymyxin, glycopeptides, and antifungal use increased, especially in COVID-19 ICUs. Conclusions HAI increased during COVID-19. The microorganisms’ susceptibility profile did not change with the pandemic, but the authors observed a disproportionate increase in large-spectrum antimicrobial drug use. HealthcareAssociated Healthcare Associated (HAI ICU (ICU COVID19 COVID 19 COVID-1 prepandemic pre period CentralLineAssociated Line VentilatorAssociated Ventilator VAP, , VAP) 201 2020 beds (CVC rate MechanicalVentilation Mechanical Ventilation (MV timeseries time series models 22 onset size nonprofit non profit private, private private) ≤ ( 50%. 50 50% . 50%) > 35%. 35 35% 35%) polymyxin glycopeptides COVID19. 19. largespectrum large spectrum COVID1 1 COVID- 20 202 2 5 3

RESUMO Objetivo: Descrever o processo de implementação e os resultados preliminares de um sistema de vigilância epidemiológica para endoftalmites associada à assistência à saúde. Métodos: Trata-se de um estudo de caso de implementação de um sistema de vigilância epidemiológica para endoftalmites. O sistema de vigilância epidemiológica para endoftalmites é um sistema estruturado que possibilita a vigilância de casos de endoftalmite associados à assistência à saúde após procedimentos oftalmológicos invasivos, desenvolvido e coordenado pela Divisão de Infecção Hospitalar da Secretaria de Estado da Saúde, São Paulo, Brasil. O processo de implementação incluiu uma fase piloto, seguida pela fase de expansão. Os dados foram enviados mensalmente à Divisão de Infecção Hospitalar pelos estabelecimentos de saúde participantes que realizaram procedimentos oftalmológicos no estado de São Paulo, Brasil no período de setembro de 2017 a dezembro de 2019. Resultados: Entre os 1.483 estabelecimentos de saúde elegíveis, 175 participaram do estudo (taxa de adesão de 11,8%), relatando 222.728 procedimentos oftalmológicos realizados, sendo 164.207 cirurgias de catarata e 58.521 injeções intravítreas. A taxa de incidência global de endoftalmite relatada foi de 0,05% (n=105; 80 casos após cirurgia de catarata e 25 casos após injeção intravítrea). As taxas de incidência entre os estabelecimentos de saúde variaram de 0,02% a 4,55%. A maioria dos casos foi causada por bactérias gram-positivas, principalmente Staphylococcus spp. Em 36 (46,2%) casos não houve crescimento bacteriano; nenhuma amostra foi coletada em 28 (26,7%) casos. O sistema de vigilância epidemiológica para endoftalmites possibilitou a identificação de um surto de quatro casos de endoftalmite após injeção intravítrea. Conclusão: O sistema de vigilância epidemiológica para endoftalmites mostrou-se operacionalmente viável e eficiente para o monitoramento de casos de endoftalmite em nível estadual.

ABSTRACT Purpose: To describe the implementation pro cess and the preliminary results of a surveillance system for healthcare-associated endophthalmitis. Methods: This is a case study of the implementation of a surveillance system for healthcare-associated endophthalmitis. The system for healthcare-associated endophthalmitis is a structured system that enables surveillance of cases of healthcare-associated endophthalmitis after intraocular procedures, developed and coordinated by the Division of Hospital Infection at the State Health Department, São Paulo, Brazil. The implementation process included a pilot phase, followed by a scaling-up phase. Data were reported monthly to the Division of Hospital Infection by participating healthcare facilities that performed intraocular procedures in the state of São Paulo, Brazil, from September 2017 to December 2019. Results: Among the 1,483 eligible healthcare facilities, 175 engaged in the study (participation rate of 11.8%), reporting 222,728 intraocular procedures performed, of which 164,207 were cataract surgery and 58,521 were intravitreal injections. The overall incidence rate of endophthalmitis was reported to be 0.05% (n=105; 80 cases after cataract surgery and 25 cases after intravitreal injections). The incidence rates for healthcare facilities ranged from 0.02% to 4.55%. Most cases were caused by gram-positive bacteria, mainly Staphylococcus spp. In 36 (46.2%) of the cases, there was no bacterial growth; no sample was collected in 28 (26.7%) cases. This system for healthcare-associated endophthalmitis enabled the identification of an outbreak of four cases of endophthalmitis after intravitreal injections. Conclusion: The system for healthcare-associated endophthalmitis proved to be operationally viable and efficient for monitoring cases of endophthalmitis at the state level.

OBJECTIVE: This study aimed to evaluate the occurrence of coronavirus disease 2019 (COVID-19) in hemodialysis facilities and the occurrence of and risk factors for clustering of COVID-19 cases. METHODS: We conducted a cross-sectional online survey between March and July 2020, in all dialysis facilities in São Paulo state, using Google Forms. The online questionnaire contained questions addressing specific components of infection prevention and control practices and the number of cases during the COVID-19 pandemic. RESULTS: A total of 1,093 (5%) COVID-19 cases were reported among 20,984 patients; approximately 56% of the facilities had ≥1 cluster. Most facilities implemented various measures (such as allocation of dedicated COVID-19 areas/shifts, symptom screening, environmental disinfection, and maintenance of adequate ventilation) to prevent the transmission of severe acute respiratory syndrome coronavirus 2. Clustering of COVID-19 cases was suspected in only 7% of dialysis facilities. The only variable associated with this event was the performance of aerosol-generating procedures (odds ratio: 4.74; 95% confidence interval: 1.75-12.86). CONCLUSION: Attention should be paid to avoiding the performance of aerosol-generating procedures in dialysis facilities and monitoring the clustering of cases.

ABSTRACT Introduction: Use of antibiotic and bacterial resistance is the result of a complex interaction not completely understood. Objectives: To evaluate the impact of entire antimicrobial use (community plus hospitals) on the incidence of bloodstream infections in intensive care units adjusted by socioeconomic factors, quality of healthcare, and access to the healthcare system. Design: Ecologic study using a hierarchical spatial model. Setting: Data obtained from 309 hospitals located in the state of São Paulo, Brazil from 2008 to 2011. Participants: Intensive care units located at participant hospitals. Outcome: Hospital acquired bloodstream infection caused by MDRO in ICU patients was our primary outcome and data were retrieved from São Paulo Health State Department. Socioeconomic and healthcare indexes data were obtained from IBGE (Brazilian Foundation in charge of national decennial census) and SEADE (São Paulo Planning and Development Department). Information on antimicrobial sales were obtained from IMS Brazil. We divided antibiotics into four different groups (1-4). Results: We observed a direct association between the use of group 1 of antibiotics and the incidences of bloodstream infections caused by MRSA (1.12; 1.04-1.20), and CR-Acinetobacter sp. (1.19; 1.10-1.29). Groups 2 and 4 were directly associated to VRE (1.72; 1.13-2.39 and 2.22; 1.62-2.98, respectively). Group 2 was inversely associated to MRSA (0.87; 0.78-0.96) and CR-Acinetobacter sp. (0.79; 0.62-0.97). Group 3 was inversely associated to Pseudomonas aeruginosa (0.69; 0.45-0.98), MRSA (0.85; 0.72-0.97) and VRE (0.48; 0.21-0.84). No association was observed for third generation cephalosporin-resistant Klebsiella pneumoniae and Escherichia coli. Conclusions: The association between entire antibiotic use and resistance in ICU was poor and not consistent for all combinations of antimicrobial groups and pathogens even after adjusted by socioeconomic indexes. Selective pressure exerted at the community level seemed not to affect the incidences of MDRO infection observed in intensive care setting.