Publications by authors named "Phillip D Levin"

Background: Prognostication is complex in patients critically ill with coronavirus disease 2019 (COVID-19).

Objectives: To describe the natural history of ventilated critical COVID-19 patients.

Methods: Due to our legal milieu, active withdrawal of care is not permitted, providing an opportunity to examine the natural history of ventilated critical COVID-19 patients.

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Background: Tracheostomy in patients who are critically ill is generally performed due to prolonged mechanical ventilation and expected extubation failure. However, tracheostomy criteria and ideal timing are poorly defined, including equivocal data from randomized controlled trials and median intubation to tracheostomy times that range from 7-21 d. However, a consistent finding is that only ∼50% of late tracheostomy groups actually undergo tracheostomy, with non-performance due to recovery or clinical deterioration.

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Background: Blood culture contamination is associated with health care costs and potential patient harm. Diversion of the initial blood specimen reduces blood culture contamination. We report results of the "real-life" clinical implementation of this technique.

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Introduction: Acute supraglottitis is a potentially life-threatening condition that often necessitates intensive care unit (ICU) admission for airway monitoring. The objective of this study was to identify clinical criteria that predict a benign course for patients with acute supraglottitis.

Methods: A prospective observational study was performed.

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Objective: To assess the role of the computerized tomography (CT) scanner in cross-transmission of carbapenem-resistant Acinetobacter baumannii between hospitalized patients undergoing CT scan.

Methods: A single-centre retrospective observational analysis of inpatients undergoing CT scans. Patient-unique CT scans were defined as 'index cases' (patients undergoing CT scan with carbapenem-resistant Acinetobacter baumannii (CRAB) colonization documented during the previous 60 days), 'incident cases' (patients found colonized with CRAB within 14 days following CT scan), and 'negative cases' (negative for CRAB before and after CT scan).

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Background: Financial incentives represent a potential mechanism to encourage infection prevention by hospitals. In order to characterize the place of financial incentives, we investigated resource utilization and cost associated with hospital-acquired infections (HAI) and assessed the relative financial burden for hospital and insurer according to reimbursement policies.

Methods: We conducted a prospective matched case-control study over 18 months in a tertiary university medical center.

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Background: Introduction of the GlideScope videolaryngoscope caused a change in use of other devices for difficult airway management.

Objective: The influence of the GlideScope videolaryngoscope on changes in the indications for and the frequency of use of flexible fibreoptic-assisted intubation and other difficult airway management techniques.

Design: Retrospective cohort study.

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Background: The use of a high flow nasal cannula (HFNC) was examined for different clinical indications in the critically ill.

Objectives: To describe a single center experience with HFNC in post-extubation critical care patients by using clinical indices.

Methods: In this single center study, the authors retrospectively evaluated the outcome of patients who were connected to the HFNC after their extubation in the intensive care unit (ICU).

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Importance: End-of-life decisions occur daily in intensive care units (ICUs) around the world, and these practices could change over time.

Objective: To determine the changes in end-of-life practices in European ICUs after 16 years.

Design, Setting, And Participants: Ethicus-2 was a prospective observational study of 22 European ICUs previously included in the Ethicus-1 study (1999-2000).

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Background: Blood culture contamination leads to unnecessary interventions and costs. It may be caused by bacteria in deep skin structures unsusceptible to surface decontamination. This study was designed to test whether diversion of blood obtained at venipuncture into a lithium heparin tube prior to aspiration of blood culture reduces contamination.

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Background: High-flow nasal cannula (HFNC) oxygen therapy is a routine, evidence-based treatment in the ICU. Due to its ease of application, non-evidence-based use of HFNC has spread to non-ICU wards. This study reports on the experience with HFNC outside the ICU.

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Background: Hand hygiene (HH) compliance remains low in many intensive care units (ICU). Technology has been suggested to improve HH compliance.We describe the introduction of an electronic HH surveillance and intervention system into the general ICU of a tertiary care teaching hospital, the obstacles to success and reasons for the system's ultimate failure and removal.

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Patients admitted to hospital with influenza B and A in Jerusalem, Israel, during the 2015-2016 and 2017-2018 influenza seasons demonstrated similar rates of intensive care unit (ICU) admission and associated disease severity. Most (63%) influenza B ICU patients received influenza B-mismatched trivalent vaccine. These findings call into question the equivalence of trivalent and quadrivalent vaccines in preventing severe influenza B.

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Background: Following a fatal intensive care unit (ICU) outbreak of carbapenem-resistant Acinetobacter baumanii (CRAB) in 2015, an aggressive infection control intervention was instituted. We outline the intervention and long-term changes in the incidence and prevalence of CRAB.

Methods: The infection control intervention included unit closure (3 days), environmental cleaning, hand hygiene interventions, and environmental culturing.

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Procalcitonin (PCT) measurement has been proposed to direct antibiotic use. We examined whether repeated PCT measurements (0, 6, and/or 12 hours) versus the initial measurement only (time 0) increased the sensitivity and specificity of PCT for diagnosing infection in intensive care unit patients. Infection was identified in 67/176 (38%) patients.

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Background: Sore throat is common after intubation for surgery. This observational study investigated cuff pressure and a large range of clinical covariates to explore the etiology of sore throat.

Methods: Approximately 24 hours after surgery six questions relating to pain, upper airway symptoms and sore throat were delivered to patients who had undergone intubation.

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Objectives: Cell phones are the primary communication tool in our institution. There are no restrictions on their use in the operating rooms. The goal of this study was to evaluate the extent of cell phone use in the operating rooms during elective surgery and to evaluate whether they cause staff distractions.

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Background: Manufacturers' weight-based recommendations for laryngeal mask airway (LMA) sizes are not scientifically founded and have never been validated clinically.

Objective: The validation of manufacturers' weight-based recommendations in clinical practice and whether other patient variables such as sex and age may influence LMA size choice.

Design: A retrospective study.

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Background: Quick response (QR) codes containing anesthesia syllabus data were introduced into an anesthesia information management system. The code was generated automatically at the conclusion of each case and available for resident case logging using a smartphone or tablet. The goal of this study was to evaluate the use and usability/user-friendliness of such system.

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Propofol infusion syndrome (PRIS), a rare complication of propofol sedation, is associated with high mortality. There is no specific therapy. A 16-year-old with head injury and status epilepticus is described.

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Background: In vitro studies suggested that circulating inflammatory cytokines cause septic myocardial dysfunction. However, no in vivo clinical study has investigated whether serum inflammatory cytokine concentrations correlate with septic myocardial dysfunction.

Methods: Repeated echocardiograms and concurrent serum inflammatory cytokines (IL-1β, IL-6, IL-8, IL-10, IL-18, tumor necrosis factor-α, and monocyte chemoattractant protein-1) and cardiac biomarkers (high-sensitivity [hs] troponin-T and N-terminal pro-B-type natriuretic peptide [NT-proBNP]) were examined in 105 patients with severe sepsis and septic shock.

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