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1.
Epidemiol Infect ; 152: e81, 2024 May 13.
Artigo em Inglês | MEDLINE | ID: mdl-38736415

RESUMO

Nosocomial outbreak of varicella zoster virus (VZV) has been reported when susceptible individuals encounter a case of chicken pox or shingles. A suspected VZV outbreak was investigated in a 50-bedded in-patient facility of Physical Medicine and Rehabilitation in a tertiary care multispecialty hospital. A 30-year-old female patient admitted with Pott's spine was clinically diagnosed with chicken pox on 31 December 2022. The following week, four more cases were identified in the same ward. All cases were diagnosed as laboratory-confirmed varicella zoster infection by PCR. Primary case was a housekeeping staff who was clinically diagnosed with chicken pox 3 weeks prior (9 December 2022). He returned to work on eighth day of infection (17 December 2022) after apparent clinical recovery but before the lesions had crusted over. Thirty-one HCWs were identified as contacts a and three had no evidence of immunity. Two of these susceptible HCWs had onset of chickenpox shortly after first dose of VZV vaccination was inoculated. All cases recovered after treatment with no reported complications. VZV infection is highly contagious in healthcare settings with susceptible populations. Prompt identification of cases and implementation of infection prevention and control measures like patient isolation and vaccination are essential for the containment of outbreaks.


Assuntos
Infecção Hospitalar , Surtos de Doenças , Herpesvirus Humano 3 , Centros de Atenção Terciária , Humanos , Adulto , Feminino , Índia/epidemiologia , Infecção Hospitalar/epidemiologia , Infecção Hospitalar/virologia , Herpesvirus Humano 3/isolamento & purificação , Masculino , Varicela/epidemiologia , Assistência de Longa Duração , Infecção pelo Vírus da Varicela-Zoster/epidemiologia
2.
Am J Infect Control ; 46(2): 202-206, 2018 02.
Artigo em Inglês | MEDLINE | ID: mdl-29046215

RESUMO

BACKGROUND: Surveillance of health care-associated infections (HAIs) plays a key role in the hospital infection control program and reduction of HAIs. In India, most of the surveillance of HAIs is reported from private sector hospitals that do not depict the situation of government sector hospitals. Other studies do not confirm with the Centers for Disease Control and Prevention's (CDC) National Healthcare Safety Network (NHSN) surveillance criterion, or deal with ventilator-associated pneumonia (VAP) instead of ventilator-associated event (VAE). The aim of this study was to identify the incidences of 3 device-associated HAIs (DA-HAIs) (VAE, central line-associated bloodstream infection [CLABSI], and catheter-associated urinary tract infection [CAUTI]) by active surveillance using CDC's NHSN surveillance criteria and to identify the pathogens associated with these DA-HAIs. METHODS: This was a prospective surveillance study (January 2015-December 2016) conducted in an intensive care unit (ICU) of a large, tertiary care, government hospital situated in Delhi, India. Targeted surveillance was done as per the CDC's NHSN 2016 surveillance criteria. RESULTS: There were 343 patients admitted to the ICU that were included in the study. The surveillance data was reported over 3,755 patient days. A DA-HAIs attack rate of 20.1 per 100 admissions and incidence of 18.3 per 1,000 patient days was observed. The duration of use for each device for patients with DA-HAIs was significantly longer than for patients without DA-HAIs. The device utilization ratios of central line, ventilator, and urinary catheters were 0.57, 0.85, and 0.72, respectively. The crude excess length of stay for patients with DA-HAI was 13 days, and crude excess mortality rate was 11.8%. VAE, CLABSI, and CAUTI rates were 11.8, 7.4, and 9.7 per 1,000 device days, respectively. Among 69 DA-HAIs reported, pathogens could be identified for 49 DA-HAI cases. Klebsiella spp was the most common organism isolated, accounting 28.5% for all DA-HAI cases, followed by Enterococcus spp (24.4%). The most common organisms causing VAE, CAUTI, and CLABSI were Acinetobacter (6/15, 40%), Enterococcus spp (11/31, 35.4%), and Candida spp (5/19, 26.3%), respectively. Most of the gram-negative organisms were carbapenem resistant; however, none of the isolates were colistin resistant. CONCLUSIONS: To reduce the risk of infection in hospitalized patients, DA-HAI surveillance is of primary importance because it effectively describes and addresses the importance and characteristics of the threatening situation created by DA-HAIs. The present surveillance shows high rates of ICU-onset DA-HAIs and high resistance patterns of organisms causing HAIs, representing a major risk to patient safety.


Assuntos
Infecções Bacterianas/epidemiologia , Infecções Bacterianas/etiologia , Infecções Relacionadas a Cateter/epidemiologia , Infecção Hospitalar/epidemiologia , Pneumonia Associada à Ventilação Mecânica/epidemiologia , Centros de Atenção Terciária , Adulto , Cateterismo Venoso Central/efeitos adversos , Feminino , Humanos , Índia/epidemiologia , Unidades de Terapia Intensiva , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Cateteres Urinários/efeitos adversos , Infecções Urinárias/epidemiologia , Ventiladores Mecânicos/efeitos adversos , Adulto Jovem
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