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Noise ICU

Edward Litton
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
Lioudmila V Karnatovskaia, Margaret M Johnson, Travis J Dockter, Ognjen Gajic
PURPOSE: Survivors of critical illness are frequently unable to return to their premorbid level of psychocognitive functioning following discharge. Therefore, we aimed to evaluate the burden of psychological trauma experienced by patients in the intensive care unit (ICU) as perceived by clinicians to assess factors that can impede its recognition and treatment in the ICU. MATERIALS AND METHODS: Two distinct role-specific Web-based surveys were administered to critical care physicians and nurses in medical and surgical ICUs of 2 academic medical centers...
February 2017: Journal of Critical Care
Yuliya Boyko, Poul Jennum, Miki Nikolic, René Holst, Helle Oerding, Palle Toft
PURPOSE: To determine if improving intensive care unit (ICU) environment would enhance sleep quality, assessed by polysomnography (PSG), in critically ill mechanically ventilated patients. MATERIALS AND METHODS: Randomized controlled trial, crossover design. The night intervention "quiet routine" protocol was directed toward improving ICU environment between 10pm and 6am. Noise levels during control and intervention nights were recorded. Patients on mechanical ventilation and able to give consent were eligible for the study...
February 2017: Journal of Critical Care
Michele M Pelter, Richard Fidler, Xiao Hu
BACKGROUND: Although electrocardiographic monitoring is valuable for continuous surveillance of intensive care unit (ICU) patients, false alarms are common and have been cited as a cause of alarm fatigue. ANSI/AAMI EC12:2002 states that electrocardiograms (ECGs) should not detect a QRS if the waveform is less than 0.15 mV (1.5 mm) for adult patients, in order to avoid mislabeling P waves or baseline noise as QRSs during complete heart block or asystole. However, ECG software algorithms often use more conservative QRS thresholds, which may result in false-positive asystole alarms in patients with low-amplitude QRS complexes...
September 2016: Biomedical Instrumentation & Technology
Brittany Lynn White, Meg Zomorodi
PURPOSE: To compare the noise levels perceived by critical care nurses in the Intensive Care Unit (ICU) to actual noise levels in the ICU. METHODS: Following a pilot study (n=18) and revision of the survey tool, a random sample of nurses were surveyed twice in a 3-day period (n=108). Nurses perception of noise was compared to the actual sound pressure level using descriptive statistics. MAJOR RESULTS: Nurses perceived the ICUs to be noisier than the actual values...
February 2017: Intensive & Critical Care Nursing: the Official Journal of the British Association of Critical Care Nurses
Jan Hendrik Leopold, Ameen Abu-Hanna, Camilla Colombo, Peter J Sterk, Marcus J Schultz, Lieuwe D J Bos
INTRODUCTION: Continuous breath analysis by electronic nose (eNose) technology in the intensive care unit (ICU) may be useful in monitoring (patho) physiological changes. However, the application of breath monitoring in a non-controlled clinical setting introduces noise into the data. We hypothesized that the sensor signal is influenced by: (1) humidity in the side-stream; (2) patient-ventilator disconnections and the nebulization of medication; and (3) changes in ventilator settings and the amount of exhaled CO₂...
2016: Sensors
Kate Kynoch, Anne Chang, Fiona Coyer, Annie McArdle
BACKGROUND: Attending to the needs of family members of critically ill patients is an important and necessary step in providing appropriate holistic care for both the patient and the family. Family interaction can significantly impact on the experience of critical illness, notwithstanding the challenge of meeting families' needs for many clinicians in the intensive care unit (ICU). Family needs have been extensively researched; however, a previous Joanna Briggs Institute (JBI) systematic review was the first published systematic review recommending effective interventions for addressing family needs of critically ill patients in an acute intensive care setting...
March 2016: JBI Database of Systematic Reviews and Implementation Reports
Vessela Krasteva, Irena Jekova, Remo Leber, Ramun Schmid, Roger Abächerli
False intensive care unit (ICU) alarms induce stress in both patients and clinical staff and decrease the quality of care, thus significantly increasing both the hospital recovery time and rehospitalization rates. In the PhysioNet/CinC Challenge 2015 for reducing false arrhythmia alarms in ICU bedside monitor data, this paper validates the application of a real-time arrhythmia detection library (ADLib, Schiller AG) for the robust detection of five types of life-threatening arrhythmia alarms. The strength of the application is to give immediate feedback on the arrhythmia event within a scan interval of 3 s-7...
August 2016: Physiological Measurement
Gari D Clifford, Ikaro Silva, Benjamin Moody, Qiao Li, Danesh Kella, Abdullah Chahin, Tristan Kooistra, Diane Perry, Roger G Mark
High false alarm rates in the ICU decrease quality of care by slowing staff response times while increasing patient delirium through noise pollution. The 2015 PhysioNet/Computing in Cardiology Challenge provides a set of 1250 multi-parameter ICU data segments associated with critical arrhythmia alarms, and challenges the general research community to address the issue of false alarm suppression using all available signals. Each data segment was 5 minutes long (for real time analysis), ending at the time of the alarm...
August 2016: Physiological Measurement
Gari D Clifford, Ikaro Silva, Benjamin Moody, Qiao Li, Danesh Kella, Abdullah Shahin, Tristan Kooistra, Diane Perry, Roger G Mark
High false alarm rates in the ICU decrease quality of care by slowing staff response times while increasing patient delirium through noise pollution. The 2015 Physio-Net/Computing in Cardiology Challenge provides a set of 1,250 multi-parameter ICU data segments associated with critical arrhythmia alarms, and challenges the general research community to address the issue of false alarm suppression using all available signals. Each data segment was 5 minutes long (for real time analysis), ending at the time of the alarm...
September 2015: Computing in Cardiology
A Luetz, B Weiss, T Penzel, I Fietze, M Glos, K D Wernecke, B Bluemke, A M Dehn, T Willemeit, A Finke, C Spies
Noise is a proven cause of wakefulness and qualitative sleep disturbance in critically ill patients. A sound pressure level reduction can improve sleep quality, but there are no studies showing the feasibility of such a noise reduction in the intensive care unit (ICU) setting. Considering all available evidence, we redesigned two ICU rooms with the aim of investigating the physiological and clinical impact of a healing environment, including a noise reduction and day-night variations of sound level. Within an experimental design, we recorded 96 h of sound-pressure levels in standard ICU rooms and the modified ICU rooms...
July 2016: Physiological Measurement
Jan Claassen, Shah Atiqur Rahman, Yuxiao Huang, Hans-Peter Frey, J Michael Schmidt, David Albers, Cristina Maria Falo, Soojin Park, Sachin Agarwal, E Sander Connolly, Samantha Kleinberg
High frequency physiologic data are routinely generated for intensive care patients. While massive amounts of data make it difficult for clinicians to extract meaningful signals, these data could provide insight into the state of critically ill patients and guide interventions. We develop uniquely customized computational methods to uncover the causal structure within systemic and brain physiologic measures recorded in a neurological intensive care unit after subarachnoid hemorrhage. While the data have many missing values, poor signal-to-noise ratio, and are composed from a heterogeneous patient population, our advanced imputation and causal inference techniques enable physiologic models to be learned for individuals...
2016: PloS One
Lotta Johansson, Susanne Knutsson, Ingegerd Bergbom, Berit Lindahl
INTRODUCTION: The acoustic environment in the intensive care unit patient room, with high sound levels and unpredictable sounds, is known to be poor and stressful. Therefore, the present study had two aims: to investigate staff knowledge concerning noise in the intensive care unit and: to identify staff suggestions for improving the sound environment in the intensive care unit patient room. METHOD: A web-based knowledge questionnaire including 10 questions was distributed to 1047 staff members at nine intensive care unit...
August 2016: Intensive & Critical Care Nursing: the Official Journal of the British Association of Critical Care Nurses
John A Stewart, Cameron Green, Joanne Stewart, Ravindranath Tiruvoipati
AIM: To investigate the self-reported quality of sleep of non-mechanically ventilated patients admitted to an ICU, and to identify barriers to sleep in this setting. METHOD: Patients admitted to the ICU of Frankston Hospital over a two month period who had spent at least one night in the ICU, and had not received mechanical ventilation were surveyed as they were discharged from the ICU. This survey required patients to rate the quality of their sleep in the ICU and at home immediately prior to hospitalisation on a 10cm visual analogue scale; and to identify perceived barriers to sleep in the ICU and at home prior to hospitalisation...
March 9, 2016: Australian Critical Care: Official Journal of the Confederation of Australian Critical Care Nurses
Andrew P Carlson, C William Shuttleworth, Brittany Mead, Brittany Burlbaw, Mark Krasberg, Howard Yonas
OBJECTIVE Cortical spreading depression (CSD) has been observed with relatively high frequency in the period following human brain injury, including traumatic brain injury and ischemic/hemorrhagic stroke. These events are characterized by loss of ionic gradients through massive cellular depolarization, neuronal dysfunction (depression of electrocorticographic [ECoG] activity) and slow spread (2-5 mm/min) across the cortical surface. Previous data obtained in animals have suggested that even in the absence of underlying injury, neurosurgical manipulation can induce CSD and could potentially be a modifiable factor in neurosurgical injury...
January 2017: Journal of Neurosurgery
Sheng Chen, Sikai Zhong, Liping Yao, Yanfeng Shang, Kenji Suzuki
Portable chest radiographs (CXRs) are commonly used in the intensive care unit (ICU) to detect subtle pathological changes. However, exposure settings or patient and apparatus positioning deteriorate image quality in the ICU. Chest x-rays of patients in the ICU are often hazy and show low contrast and increased noise. To aid clinicians in detecting subtle pathological changes, we proposed a consistent processing and bone structure suppression method to decrease variations in image appearance and improve the diagnostic quality of images...
March 21, 2016: Physics in Medicine and Biology
Nicolò Gambarotta, Federico Aletti, Giuseppe Baselli, Manuela Ferrario
The assessment of signal quality has been a research topic since the late 1970s, as it is mainly related to the problem of false alarms in bedside monitors in the intensive care unit (ICU), the incidence of which can be as high as 90 %, leading to alarm fatigue and a drop in the overall level of nurses and clinicians attention. The development of efficient algorithms for the quality control of long diagnostic electrocardiographic (ECG) recordings, both single- and multi-lead, and of the arterial blood pressure (ABP) signal is therefore essential for the enhancement of care quality...
July 2016: Medical & Biological Engineering & Computing
Edward Litton, Vanessa Carnegie, Rosalind Elliott, Steve A R Webb
OBJECTIVE: A systematic review and meta-analysis to assess the efficacy of earplugs as an ICU strategy for reducing delirium. DATA SOURCES: MEDLINE, EMBASE, and the Cochrane Central Register of controlled trials were searched using the terms "intensive care," "critical care," "earplugs," "sleep," "sleep disorders," and "delirium." STUDY SELECTION: Intervention studies (randomized or nonrandomized) assessing the efficacy of earplugs as a sleep hygiene strategy in patients admitted to a critical care environment were included...
May 2016: Critical Care Medicine
Vincent Alvarez, Andrea O Rossetti
Neurophysiology is an essential tool for clinicians dealing with patients in the intensive care unit. Because of consciousness disorders, clinical examination is frequently limited. In this setting, neurophysiological examination provides valuable information about seizure detection, treatment guidance, and neurological outcome. However, to acquire reliable signals, some technical precautions need to be known. EEG is prone to artifacts, and the intensive care unit environment is rich in artifact sources (electrical devices including mechanical ventilation, dialysis, and sedative medications, and frequent noise, etc...
December 2015: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
L Cabrini, G Landoni, M Antonelli, R Bellomo, S Colombo, A Negro, P Pelosi, A Zangrillo
Modern Critical Care aims at improving patient-centered outcomes, not limited to survival. Recently, along with traditional research evaluating single drugs or procedures, more elusive elements have been evaluated, like organizational and teamwork aspects, delivery of critical care before Intensive Care Unit (ICU) admission and after discharge. The aim of this review is to offer an up-to-date, comprehensive, and maybe "visionary" big picture of Critical Care in the near future beyond its traditional boundaries...
October 16, 2015: Minerva Anestesiologica
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