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ObjectivesDuring a pandemic, healthcare providers experience increased mental and physical burden. Burnout can lead to treatment errors, patient mortality, increased suicidal ideation and substance abuse as well as medical malpractice suits among medical staff. This study aimed to investigate the occurrence of burnout, acute stress disorder, anxiety disorder and depressive disorder among healthcare providers at the third month of the COVID-19 pandemic.DesignA cross-sectional facility-based survey.SettingHospitals around the country with different levels of care.ParticipantsA total of 1795 respondents, including 360 men and 1435 women who participated in the survey.Primary outcome measuresBurnout was assessed using the Physician Work Life Study. A score of ≥3 implied burnout.ResultsOf the 1795 respondents, 723 (40.3%) reported burnout, and 669 (37.3%) cared for patients with COVID-19. Anxiety levels were mild in 185 (10.3%) respondents, moderate in 209 (11.6%) and severe in 1401 (78.1%). The mean Center for Epidemiologic Studies Depression Scale-10 score was 9.5±6.3, and 817 (45.5%) respondents were classified as having depression. Factors associated with burnout were working in acute and critical care (ACC) divisions (adjusted OR (aOR)=1.84, 95% CI 1.20 to 3.39, p=0.019), caring for patients with COVID-19 (aOR=3.90, 95% CI 1.14 to 13.37, p=0.031) and having depressive disorder (aOR=9.44, 95% CI 7.44 to 11.97, pConclusionsPhysicians and nurses are vulnerable to burnout during a pandemic, especially those working in ACC divisions. Anxiety disorder, depressive disorder and care of patients with COVID-19 may be factors that influence the occurrence of burnout among healthcare providers.

Background: Vascular infections (VI) are potentially catastrophic complications of nontyphoid Salmonella (NTS). We aimed to develop a scoring model incorporating information from blood culture time to positivity (TTP-NTSVI) and compared the prediction capability for VI among adults with NTS bacteremia between TTP-NTSVI and a previously published score (Chen-NTSVI). Methods: This retrospective cohort study enrolled 217 adults with NTS bacteremia ≧ 50 years old. We developed a TTP-NTSVI score by multiple logistic regression modeling to identify independent predictors for imaging-confirmed VI and assigned a point value weighting by the corresponding natural logarithm of the odds ratio for each model predictor. Chen-NTSVI score includes hypertension, male sex, serogroup C1, coronary arterial disease (CAD) as positive predictors, and malignancy and immunosuppressive therapy as negative predictors. The prediction capability of the two scores was compared by area under the receiver operating characteristic curve (AUC). Results: The mean age was 68.3 ± 11.2 years-old. Serogroup D was the predominant isolate (155/217, 71.4%). Seventeen (7.8%) patients had VI. Four independent predictors for VI were identified: male sex (24.9 [2.59–239.60]; 6) (odds ratio [95% confidence interval]; assigned score point), peripheral arterial occlusive disease (9.41 [2.21–40.02]; 4), CAD (4.0 [1.16–13.86]; 3), and TTP

Few studies analyzed the association between blood culture time to positivity (TTP) and risk of complicated nontyphoidal Salmonella (NTS) bacteremia. We conducted a retrospective study of 206 patients (aged 60.4 ± 17.4 years) with NTS bacteremia during a 30-month period. Complicated NTS bacteremia was defined as the presence of 30-day mortality, complicated infection requiring surgery or abscess drainage, or requirement of intensive care unit admission. Serogroup D (75.7%) was the predominant isolates. Malignancy (44.7%) was the most prevalent comorbidity. Patients with rapid TTP (10 h) were more likely to have thrombocytopenia, septic shock, persistent bacteremia, complicated infection, and a higher intensive care unit admission rate. In multivariate logistic regression model, a TTP10 h was an independent predictor for complicated NTS bacteremia (adjusted odd ratio, 5.683, 95% confidence interval, 2.396-13.482). Our study showed that blood culture TTP provides important diagnostic and prognostic information in the treatment of NTS bacteremia patients.

OBJECTIVEIsolation of multidrug-resistant gram-negative bacteria (MDR-GNB) from patients in the community has been increasingly observed. A prediction model for MDR-GNB colonization and infection risk stratification on hospital admission is needed to improve patient care.METHODSA 2-stage, prospective study was performed with 995 and 998 emergency department patients enrolled, respectively. MDR-GNB colonization was defined as isolates resistant to 3 or more classes of antibiotics, identified in either the surveillance or early (≤48 hours) clinical cultures.RESULTSA score-assigned MDR-GNB colonization prediction model was developed and validated using clinical and microbiological data from 995 patients enrolled in the first stage of the study; 122 of these patients (12.3%) were MDR-GNB colonized. We identified 5 independent predictors: age>70 years (odds ratio [OR], 1.84 [95% confidence interval (CI), 1.06–3.17]; 1 point), assigned point value in the model), residence in a long-term-care facility (OR, 3.64 [95% CI, 1.57–8.43); 3 points), history of cerebrovascular accidents (OR, 2.23 [95% CI, 1.24–4.01]; 2 points), hospitalization within 1 month (OR, 2.63 [95% CI, 1.39–4.96]; 2 points), and recent antibiotic exposure (OR, 2.18 [95% CI, 1.16–4.11]; 2 points). The model displayed good discrimination in the derivation and validation sets (area under ROC curve, 0.75 and 0.80, respectively) with the best cutoffs ofPCONCLUSIONA model was developed to optimize both the decision to initiate antimicrobial therapy and the infection control interventions to mitigate threats from MDR-GNB.Infect Control Hosp Epidemiol 2017;38:1216–1225

Aim Animal studies have demonstrated that hemodynamic-directed cardiopulmonary resuscitation (CPR) improves outcomes following cardiac arrest compared with the “one-size-fits-all” algorithm. We investigated whether body size of patients is correlated with outcomes of in-hospital cardiac arrest (IHCA). Methods A retrospective study in a single centre was conducted. Adult patients experiencing IHCA between 2006 and 2015 were screened. Body mass index (BMI) was calculated using body weight and height measured at hospital admission. Thoracic anteroposterior diameter (APD) was measured by analysing computed tomography images. Multivariate logistic regression analysis was used to study the associations between independent variables and outcomes. Generalised additive models were used to identify cut-off points for continuous variables. Results A total of 766 patients were included, and 60.4% were male. Their mean age was 62.8 years. Mean BMI was 22.9 kg/m2, and the mean thoracic APD was 21.4 cm. BMI > 23.2 kg/m2 was inversely associated with a favourable neurological outcome (odds ratio [OR]: 0.30, 95% confidence interval [CI]: 0.13–0.68; p-value = 0.004), while thoracic APD was not. When the interaction term was analysed, BMI > 23.2 (kg/m2) × thoracic APD > 18.5 (cm) was inversely associated with both a favourable neurological outcome (OR: 0.33, 95% CI: 0.16–0.69; p-value = 0.003) and survival to hospital discharge (OR: 0.46, 95% CI: 0.26–0.81; p-value = 0.007). Conclusion Higher BMI and thoracic APD was correlated with worse outcomes following IHCA. For those patients, it might be better to perform CPR under guidance of physiological parameters rather than a “one-size-fits-all” resuscitation algorithm to improve outcomes.

Objective This study aimed to evaluate the accuracy of tracheal ultrasonography for assessing endotracheal tube position during cardiopulmonary resuscitation (CPR). Methods We performed a prospective observational study of patients undergoing emergency intubation during CPR. Real-time tracheal ultrasonography was performed during the intubation with the transducer placed transversely just above the suprasternal notch, to assess for endotracheal tube positioning and exclude esophageal intubation. The position of trachea was identified by a hyperechoic air–mucosa (A–M) interface with posterior reverberation artifact (comet-tail artifact). The endotracheal tube position was defined as endotracheal if single A–M interface with comet-tail artifact was observed. Endotracheal tube position was defined as intraesophageal if a second A–M interface appeared, suggesting a false second airway (double tract sign). The gold standard of correct endotracheal intubation was the combination of clinical auscultation and quantitative waveform capnography. The main outcome was the accuracy of tracheal ultrasonography in assessing endotracheal tube position during CPR. Results Among the 89 patients enrolled, 7 (7.8%) had esophageal intubations. The sensitivity, specificity, positive predictive value, and negative predictive value of tracheal ultrasonography were 100% (95% confidence interval [CI]: 94.4–100%), 85.7% (95% CI: 42.0–99.2%), 98.8% (95% CI: 92.5–99.0%) and 100% (95% CI: 54.7–100%), respectively. Positive and negative likelihood ratios were 7.0 (95% CI: 1.1–43.0) and 0.0, respectively. Conclusions Real-time tracheal ultrasonography is an accurate method for identifying endotracheal tube position during CPR without the need for interruption of chest compression. Tracheal ultrasonography in resuscitation management may serve as a powerful adjunct in trained hands.

SummaryThe aim of this systematic review is to synthesize research studies involving the use of smart watch devices for healthcare.The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) was chosen as the systematic review methodology. We searched PubMed, CINAHL Plus, EMBASE, ACM, and IEEE Xplore. In order to include ongoing clinical trials, we also searched ClinicalTrials.gov. Two investigators evaluated the retrieved articles for inclusion. Discrepancies between investigators regarding article inclusion and extracted data were resolved through team discussion.356 articles were screened and 24 were selected for review. The most common publication venue was in conference proceedings (13, 54%). The majority of studies were published or presented in 2015 (19, 79%). We identified two registered clinical trials underway. A large proportion of the identified studies focused on applications involving health monitoring for the elderly (6, 25%). Five studies focused on patients with Parkinson’s disease and one on cardiac arrest. There were no studies which reported use of usability testing before implementation.Most of the reviewed studies focused on the chronically ill elderly. There was a lack of detailed description of user-centered design or usability testing before implementation. Based on our review, the most commonly used platform in healthcare research was that of the Android Wear. The clinical application of smart watches as assistive devices deserves further attention.Smart watches are unobtrusive and easy to wear. While smart watch technology supplied with biosensors has potential to be useful in a variety of healthcare applications, rigorous research with their use in clinical settings is needed.Citation: Lu T-C, Fu C-M, Ma M H-M, Fang C-C, Turner AM. Healthcare applications of smart watches: A systematic review.

Background The quality of cardiopulmonary resuscitation (CPR) is important to survival after cardiac arrest. Mechanical devices (MD) provide constant CPR, but their effectiveness may be affected by deployment timeliness. Objectives To identify the timeliness of the overall and of each essential step in the deployment of a piston-type MD during emergency department (ED) resuscitation, and to identify factors associated with delayed MD deployment by video recordings. Methods Between December 2005 and December 2008, video clips from resuscitations with CPR sessions using a MD in the ED were reviewed using time-motion analyses. The overall deployment timeliness and the time spent on each essential step of deployment were measured. Results There were 37 CPR recordings that used a MD. Deployment of MD took an average 122.6 ± 57.8 s. The 3 most time-consuming steps were: (1) setting the device (57.8 ± 38.3 s), (2) positioning the patient (33.4 ± 38.0 s), and (3) positioning the device (14.7 ± 9.5 s). Total no flow time was 89.1 ± 41.2 s (72.7% of total time) and associated with the 3 most time-consuming steps. There was no difference in the total timeliness, no-flow time, and no-flow ratio between different rescuer numbers, time of day of the resuscitation, or body size of patients. Conclusions Rescuers spent a significant amount of time on MD deployment, leading to long no-flow times. Lack of familiarity with the device and positioning strategy were associated with poor performance. Additional training in device deployment strategies are required to improve the benefits of mechanical CPR.

Background We sought to elaborate the epidemiology and outcomes of adult patients with occult Staphylococcus aureus bacteremia who were inadvertently discharged from the emergency department (ED) before positive blood culture results were obtained. Methods Between 2001 and 2010, 759 true occult bacteremia cases were identified, including 65 patients with S. aureus bacteremia. Sixty-two patients were enrolled (case group) and analyzed using two 1:2 case-control strategies. Control group I patients were selected from among 997 S. aureus bacteremia patients directly admitted from the ED. Control group II patients were selected from 694 ED patients with occult bacteremia other than S. aureus. Cox regression analyses were used to assess the independent effect of occult S. aureus bacteremia on patient mortality. Results There was no significant difference between the case group and control group I with respect to organ failure, septic shock, intensive care unit (ICU) admission proportion, length of ICU stay, and 30-day mortality. However, compared with control group II, the case group had significantly higher rates of hospital admission, organ failure, septic shock, ICU admission, and 30-day mortality. Age, endocarditis, and S. aureus infection were independent predictors of mortality among adult occult bacteremia patients. Conclusions Among patients with occult bacteremia, S. aureus infections had significantly greater adverse impacts on a variety of outcome variables than other bacterial infections. Because S. aureus bacteremia is frequently associated with endovascular or deep-seated infection, it is imperative that first-line clinicians perform prudent evaluations of cases with nonapparent infection foci before discharging febrile patients from EDs.