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Publications récentes à lire sélectionnées par la SFISI


Acute heart failure and cardiogenic shock: a multidisciplinary practical guidance.

Intensive Care Med. 2016 Feb;42(2):147-63. doi: 10.1007/s00134-015-4041-5. Epub 2015 Sep 14.

A. Mebazaa| H. Tolppanen| C. Mueller| J. Lassus| S. DiSomma| G. Baksyte| M. Cecconi| D. J. Choi| A. Cohen Solal| M. Christ| J. Masip| M. Arrigo| S. Nouira| D. Ojji| F. Peacock| M. Richards| N. Sato| K. Sliwa| J. Spinar| H. Thiele| M. B. Yilmaz| J. Januzzi

PURPOSE:

Acute heart failure (AHF) causes high burden of mortality, morbidity, and repeated hospitalizations worldwide. Thisguidance paper describes the tailored treatment approaches of different clinical scenarios of AHF and CS, focusing on the needs of professionals working in intensive care settings.

RESULTS:

Tissue congestion and hypoperfusion are the two leading mechanisms of end-organ injury and dysfunction, which are associated with worse outcome in AHF. Diagnosis of AHF is based on clinical assessment, measurement of natriuretic peptides, and imaging modalities. Simultaneously, emphasis should be given in rapidly identifying the underlying trigger of AHF and assessing severity of AHF, as well as in recognizing end-organ injuries. Early initiation of effective treatment is associated with superior outcomes. Oxygen, diuretics, and vasodilators are the key therapies for the initial treatment of AHF. In case of respiratory distress, non-invasive ventilation with pressure support should be promptly started. In patients with severe forms of AHF with cardiogenic shock (CS), inotropes are recommended to achieve hemodynamic stability and restore tissue perfusion. In refractory CS, when hemodynamic stabilization is not achieved, the use of mechanical support with assist devices should be considered early, before the development of irreversible end-organ injuries.

CONCLUSION:

multidisciplinary approach along the entire patient journey from pre-hospital care to hospital discharge is needed to ensure early recognition, risk stratification, and the benefit of available therapies. Medical management should be planned according to the underlying mechanisms of various clinical scenarios of AHF.

KEYWORDS:

Cardiogenic shock; Emergency; Heart failure; Treatment

 


Chlorhexidine bathing and health care-associated infections: a randomized clinical trial.

JAMA. 2015 Jan 27;313(4):369-78. doi: 10.1001/jama.2014.18400.

Noto M, Domenico H, Byrne D, Talbot T, Rice T, Bernard G, Wheeler A.

IMPORTANCE :

Daily bathing of critically ill patients with the broad-spectrum, topical antimicrobial agent chlorhexidine is widely performed and may reduce health care-associated infections.

OBJECTIVE :

To determine if daily bathing of critically ill patients with chlorhexidine decreases the incidence of health care-associated infections.

DESIGN, SETTING, AND PARTICIPANTS :

A pragmatic cluster randomized, crossover study of 9340 patients admitted to 5 adult intensive care units of a tertiary medical center in Nashville, Tennessee, from July 2012 through July 2013.

INTERVENTIONS :

Units performed once-daily bathing of all patients with disposable cloths impregnated with 2% chlorhexidine or nonantimicrobial cloths as a control. Bathing treatments were performed for a 10-week period followed by a 2-week washout period during which patients were bathed with nonantimicrobial disposable cloths, before crossover to the alternate bathing treatment for 10 weeks. Each unit crossed over between bathingassignments 3 times during the study.

MAIN OUTCOMES AND MEASURES :

The primary prespecified outcome was a composite of central line-associated bloodstream infections(CLABSIs), catheter-associated urinary tract infections (CAUTIs), ventilator-associated pneumonia (VAP), and Clostridium difficile infections. Secondary outcomes included rates of clinical cultures that tested positive for multidrug-resistant organisms, blood culture contamination, healthcare-associated bloodstream infections, and rates of the primary outcome by ICU.

RESULTS :

During the chlorhexidine bathing period, 55 infections occurred: 4 CLABSI, 21 CAUTI, 17 VAP, and 13 C difficile. During the controlbathing period, 60 infections occurred: 4 CLABSI, 32 CAUTI, 8 VAP, and 16 C difficile. The primary outcome rate was 2.86 per 1000 patient-days during the chlorhexidine and 2.90 per 1000 patient-days during the control bathing periods (rate difference, -0.04; 95% CI, -1.10 to 1.01; P = .95). After adjusting for baseline variables, no difference between groups in the rate of the primary outcome was detected. Chlorhexidine bathing did not change rates of infection-related secondary outcomes including hospital-acquired bloodstream infections, blood culture contamination, or clinical cultures yielding multidrug-resistant organisms. In a prespecified subgroup analysis, no difference in the primary outcome was detected in any individual intensive care unit.

CONCLUSION AND RELEVANCE :

In this pragmatic trial, daily bathing with chlorhexidine did not reduce the incidence of health care-associatedinfections including CLABSIs, CAUTIs, VAP, or C difficile. These findings do not support daily bathing of critically ill patients with chlorhexidine.

TRIAL REGISTRATION : clinicaltrials.gov Identifier: NCT02033187.

Comment in  Daily chlorhexidine bathing for critically ill patients: a note of caution. [JAMA. 2015]


  Insights into the Problem of Alarm Fatigue with Physiologic Monitor Devices : A Comprehensive Observational Study of Consecutive Intensive Care Unit Patients

PLoS One. 2014 Oct 22;9(10):e110274. doi: 10.1371/journal.pone.0110274. eCollection 2014.

 Drew BJ, Harris P, Zègre-Hemsey JK, Mammone T, Schindler D, Salas-Boni R, Bai Y, Tinoco A, Ding Q, Hu X.

PURPOSE :

Physiologic monitors are plagued with alarms that create a cacophony of sounds and visual alerts causing "alarm fatigue" which creates an unsafe patient environment because a life-threatening event may be missed in this milieu of sensory overload. Using a state-of-the-art technology acquisition infrastructure, all monitor data including 7 ECG leads, all pressure, SpO(2), and respiration waveforms as well as user settings and alarms were stored on 461 adults treated in intensive care units. Using a well-defined alarm annotation protocol, nurse scientists with 95% inter-rater reliability annotated 12,671 arrhythmia alarms.

RESULTS:

A total of 2,558,760 unique alarms occurred in the 31-day study period: arrhythmia, 1,154,201; parameter, 612,927; technical, 791,632. There were 381,560 audible alarms for an audible alarm burden of 187/bed/day. 88.8% of the 12,671 annotated arrhythmia alarms were false positives. Conditions causing excessive alarms included inappropriate alarm settings, persistent atrial fibrillation, and non-actionable events such as PVC's and brief spikes in ST segments. Low amplitude QRS complexes in some, but not all available ECG leads caused undercounting and false arrhythmia alarms. Wide QRS complexes due to bundle branch block or ventricular pacemaker rhythm caused false alarms. 93% of the 168 true ventricular tachycardia alarms were not sustained long enough to warrant treatment.

DISCUSSION:

The excessive number of physiologic monitor alarms is a complex interplay of inappropriate user settings, patient conditions, and algorithm deficiencies. Device solutions should focus on use of all available ECG leads to identify non-artifact leads and leads with adequate QRS amplitude. Devices should provide prompts to aide in more appropriate tailoring of alarm settings to individual patients. Atrial fibrillation alarms should be limited to new onset and termination of the arrhythmia and delays for ST-segment and other parameter alarms should be configurable. Because computer devices are more reliable than humans, an opportunity exists to improve physiologic monitoring and reduce alarm fatigue.  


A trial of intraoperative low-tidal-volume ventilation in abdominal surgery.

N Engl J Med. 2013 Aug 1;369(5):428-37. doi: 10.1056/NEJMoa1301082.

Futier E, Constantin JM, Paugam-Burtz C, Pascal J, Eurin M, Neuschwander A, Marret E, Beaussier M, Gutton C, Lefrant JY, Allaouchiche B, Verzilli D, Leone M, De Jong A, Bazin JE, Pereira B, Jaber S; IMPROVE Study Group.

BACKGROUND:

Lung-protective ventilation with the use of low tidal volumes and positive end-expiratory pressure is considered best practice in the care of many critically ill patients. However, its role in anesthetized patients undergoing major surgery is not known.

METHODS:

In this multicenter, double-blind, parallel-group trial, we randomly assigned 400 adults at intermediate to high risk of pulmonary complications after major abdominal surgery to either nonprotective mechanical ventilation or a strategy of lung-protective ventilation. The primary outcome was a composite of major pulmonary and extrapulmonary complications occurring within the first 7 days after surgery.

RESULTS:

The two intervention groups had similar characteristics at baseline. In the intention-to-treat analysis, the primary outcome occurred in 21 of 200 patients (10.5%) assigned to lung-protective ventilation, as compared with 55 of 200 (27.5%) assigned to nonprotective ventilation (relative risk, 0.40; 95% confidence interval [CI], 0.24 to 0.68; P=0.001). Over the 7-day postoperative period, 10 patients (5.0%) assigned to lung-protective ventilation required noninvasive ventilation or intubation for acute respiratory failure, as compared with 34 (17.0%) assigned to nonprotective ventilation (relative risk, 0.29; 95% CI, 0.14 to 0.61; P=0.001). The length of the hospital stay was shorter among patients receiving lung-protective ventilation than among those receiving nonprotective ventilation (mean difference, -2.45 days; 95% CI, -4.17 to -0.72; P=0.006).

CONCLUSIONS:

As compared with a practice of nonprotective mechanical ventilation, the use of a lung-protective ventilation strategy in intermediate-risk and high-risk patients undergoing major abdominal surgery was associated with improved clinical outcomes and reduced health care utilization. (IMPROVE ClinicalTrials.gov number, NCT01282996.).

 


 

Prone positioning in severe acute respiratory distress syndrome.

N Engl J Med. 2013 Jun 6;368(23):2159-68. doi: 10.1056/NEJMoa1214103. Epub 2013 May 20.

Guérin 1, Reignier J, Richard JC, Beuret P, Gacouin A, Boulain T, Mercier E, Badet M, Mercat A, Baudin O, Clavel M, Chatellier D, Jaber S, Rosselli S, Mancebo J, Sirodot M, Hilbert G, Bengler C, Richecoeur J, Gainnier M, Bayle F, Bourdin G, Leray V, Girard R, Baboi L, Ayzac L; PROSEVA Study Group.

BACKGROUND:

Previous trials involving patients with the acute respiratory distress syndrome (ARDS) have failed to show a beneficial effect of prone positioning during mechanical ventilatory support on outcomes. We evaluated the effect of early application of prone positioning on outcomes in patients with severe ARDS.

METHODS:

In this multicenter, prospective, randomized, controlled trial, we randomly assigned 466 patients with severe ARDS to undergo prone-positioning sessions of at least 16 hours or to be left in the supine position. Severe ARDS was defined as a ratio of the partial pressure of arterial oxygen to the fraction of inspired oxygen (FiO2) of less than 150 mm Hg, with an FiO2 of at least 0.6, a positive end-expiratory pressure of at least 5 cm of water, and a tidal volume close to 6 ml per kilogram of predicted body weight. The primary outcome was the proportion of patients who died from any cause within 28 days after inclusion.

RESULTS:

A total of 237 patients were assigned to the prone group, and 229 patients were assigned to the supine group. The 28-day mortality was 16.0% in the prone group and 32.8% in the supine group (P<0.001). The hazard ratio for death with prone positioning was 0.39 (95% confidence interval [CI], 0.25 to 0.63). Unadjusted 90-day mortality was 23.6% in the prone group versus 41.0% in the supine group (P<0.001), with a hazard ratio of 0.44 (95% CI, 0.29 to 0.67). The incidence of complications did not differ significantly between the groups, except for the incidence of cardiac arrests, which was higher in the supine group.

CONCLUSIONS:

In patients with severe ARDS, early application of prolonged prone-positioning sessions significantly decreased 28-day and 90-day mortality. (Funded by the Programme Hospitalier de Recherche Clinique National 2006 and 2010 of the French Ministry of Health; PROSEVA ClinicalTrials.gov number, NCT00527813.).


 

Nurse staffing and education and hospital mortality in nine European countries: a retrospective observational study. 

Lancet. 2014 May 24;383(9931):1824-30. doi: 10.1016/S0140-6736(13)62631-8. Epub 2014 Feb 26. 

Aiken LH, Sloane DM, Bruyneel L, Van den Heede K, Griffiths P, Busse R, Diomidous M, Kinnunen J, Kózka M, Lesaffre E, McHugh MD, Moreno-Casbas MT1, Rafferty AM, Schwendimann R, Scott PA, Tishelman C, van Achterberg T, Sermeus W; RN4CAST consortium.

BACKGROUND:

Austerity measures and health-system redesign to minimise hospital expenditures risk adversely affecting patient outcomes. The RN4CAST study was designed to inform decision making about nursing, one of the largest components of hospital operating expenses. We aimed to assess whether differences in patient to nurse ratios and nurses' educational qualifications in nine of the 12 RN4CAST countries with similar patient discharge data were associated with variation in hospital mortality after common surgical procedures.

METHODS:

For this observational study, we obtained discharge data for 422,730 patients aged 50 years or older who underwent common surgeries in 300 hospitals in nine European countries. Administrative data were coded with a standard protocol (variants of the ninth or tenth versions of the International Classification of Diseases) to estimate 30 day in-hospital mortality by use of risk adjustment measures including age, sex, admission type, 43 dummy variables suggesting surgery type, and 17 dummy variables suggesting comorbidities present at admission. Surveys of 26,516 nurses practising in study hospitals were used to measure nurse staffing and nurse education. We used generalised estimating equations to assess the effects of nursing factors on the likelihood of surgical patients dying within 30 days of admission, before and after adjusting for other hospital and patient characteristics.

FINDINGS:

An increase in a nurses' workload by one patient increased the likelihood of an inpatient dying within 30 days of admission by 7% (odds ratio 1·068, 95% CI 1·031-1·106), and every 10% increase in bachelor's degree nurses was associated with a decrease in this likelihood by 7% (0·929, 0·886-0·973). These associations imply that patients in hospitals in which 60% of nurses had bachelor's degrees and nurses cared for an average of six patients would have almost 30% lower mortality than patients in hospitals in which only 30% of nurses had bachelor's degrees and nurses cared for an average of eight patients.

INTERPRETATION:

Nurse staffing cuts to save money might adversely affect patient outcomes. An increased emphasis on bachelor's education for nurses could reduce preventable hospital deaths.

FUNDING:

European Union's Seventh Framework Programme, National Institute of Nursing Research, National Institutes of Health, the Norwegian Nurses Organisation and the Norwegian Knowledge Centre for the Health Services, Swedish Association of Health Professionals, the regional agreement on medical training and clinical research between Stockholm County Council and Karolinska Institutet, Committee for Health and Caring Sciences and Strategic Research Program in Care Sciences at Karolinska Institutet, Spanish Ministry of Science and Innovation.

Copyright © 2014 Elsevier Ltd. All rights reserved.


 Central venous catheter placement by advanced practice nurses demonstrates low procedural complication and infection rates--a report from 13 years of service. 

Crit Care Med. 2014 Mar;42(3):536-43. doi: 10.1097/CCM.0b013e3182a667f0. 

Alexandrou E1, Spencer TR, Frost SA, Mifflin N, Davidson PM, Hillman KM.

OBJECTIVES:

To report procedural characteristics and outcomes from a central venous catheter placement service operated by advanced practice nurses.

DESIGN:

Single-center observational study.

SETTING:

A tertiary care university hospital in Sydney, Australia.

PATIENTS:

Adult patients from the general wards and from critical care areas receiving a central venous catheter, peripherally inserted central catheter, high-flow dialysis catheter, or midline catheter for parenteral therapy between November 1996 and December 2009.

INTERVENTIONS:

None.

MEASUREMENTS AND MAIN RESULTS:

Prevalence rates by indication, site, and catheter type were assessed. Nonparametric tests were used to calculate differences in outcomes for categorical data. Catheter infection rates were determined per 1,000 catheter days after derivation of the denominator. A total of 4,560 catheters were placed in 3,447 patients. The most common catheters inserted were single-lumen peripherally inserted central catheters (n = 1,653; 36.3%) and single-lumen central venous catheters (n = 1,233; 27.0%). A small proportion of high-flow dialysis catheters were also inserted over the reporting period (n = 150; 3.5%). Sixty-one percent of all catheters placed were for antibiotic administration. The median device dwell time (in d) differed across cannulation sites (p < 0.001). Subclavian catheter placement had the longest dwell time with a median of 16 days (interquartile range, 8-26 d). Overall catheter dwell was reported at a cumulative 63,071 catheter days. The overall catheter-related bloodstream infection rate was 0.2 per 1,000 catheter days. The prevalence rate of pneumothorax recorded was 0.4%, and accidental arterial puncture (simple puncture-with no dilation or cannulation) was 1.3% using the subclavian vein.

CONCLUSIONS:

This report has demonstrated low complication rates for a hospital-wide service delivered by advance practice nurses. The results suggest that a centrally based service with specifically trained operators can be beneficial by potentially improving patient safety and promoting organizational efficiencies.


 

High versus low blood-pressure target in patients with septic shock. 

N Engl J Med. 2014 Apr 24;370(17):1583-93. doi: 10.1056/NEJMoa1312173. Epub 2014 Mar 18. 

Asfar P, Meziani F, Hamel JF, Grelon F, Megarbane B, Anguel N, Mira JP, Dequin PF, Gergaud S, Weiss N, Legay F, Le Tulzo Y, Conrad M, Robert R, Gonzalez F, Guitton C, Tamion F, Tonnelier JM, Guezennec P, Van Der Linden T, Vieillard-Baron A, Mariotte E, Pradel G, Lesieur O, Ricard JD, Hervé F, du Cheyron D, Guerin C, Mercat A, Teboul JL, Radermacher P; SEPSISPAM Investigators.

BACKGROUND:

The Surviving Sepsis Campaign recommends targeting a mean arterial pressure of at least 65 mm Hg during initial resuscitation of patients with septic shock. However, whether this blood-pressure target is more or less effective than a higher target is unknown.

METHODS:

In a multicenter, open-label trial, we randomly assigned 776 patients with septic shock to undergo resuscitation with a mean arterial pressure target of either 80 to 85 mm Hg (high-target group) or 65 to 70 mm Hg (low-target group). The primary end point was mortality at day 28.

RESULTS:

At 28 days, there was no significant between-group difference in mortality, with deaths reported in 142 of 388 patients in the high-target group (36.6%) and 132 of 388 patients in the low-target group (34.0%) (hazard ratio in the high-target group, 1.07; 95% confidence interval [CI], 0.84 to 1.38; P=0.57). There was also no significant difference in mortality at 90 days, with 170 deaths (43.8%) and 164 deaths (42.3%), respectively (hazard ratio, 1.04; 95% CI, 0.83 to 1.30; P=0.74). The occurrence of serious adverse events did not differ significantly between the two groups (74 events [19.1%] and 69 events [17.8%], respectively; P=0.64). However, the incidence of newly diagnosed atrial fibrillation was higher in the high-target group than in the low-target group. Among patients with chronic hypertension, those in the high-target group required less renal-replacement therapy than did those in the low-target group, but such therapy was not associated with a difference in mortality.

CONCLUSIONS:

Targeting a mean arterial pressure of 80 to 85 mm Hg, as compared with 65 to 70 mm Hg, in patients with septic shock undergoing resuscitation did not result in significant differences in mortality at either 28 or 90 days. (Funded by the French Ministry of Health; SEPSISPAM ClinicalTrials.gov number, NCT01149278.).

Publications

SEPSIS KILLS : early intervention saves lives.

Med J Aust. 2016 Feb; 1;204(2):73.

doi:10.5694/mja15.00657

Anthony R Burrell, Mary-Louise McLaws, Mary Fullick, Rosemary B Sullivan and Doungkamol Sindhusake


New Recommendations Aim to Redefine Definition and Enhance Diagnosis of Sepsis, Septic Shock


Guidelines for the Provision and Assessment of Nutrition Support Therapy in the Adult Critically Ill Patient: Society of Critical Care Medicine (SCCM) and American Society for Parenteral and Enteral Nutrition (A.S.P.E.N.)

Critical Care Medicine: February 2016 - Volume 44 - Issue 2 - p 390–438
doi: 10.1097/CCM.0000000000001525
Taylor, Beth E. RD, DCN1; McClave, Stephen A. MD2; Martindale, Robert G. MD, PhD3; Warren, Malissa M. RD4; Johnson, Debbie R. RN, MS5; Braunschweig, Carol RD, PhD6; McCarthy, Mary S. RN, PhD7; Davanos, Evangelia PharmD8; Rice, Todd W. MD, MSc9; Cresci, Gail A. RD, PhD10; Gervasio, Jane M. PharmD11; Sacks, Gordon S. PharmD12; Roberts, Pamela R. MD13; Compher, Charlene RD, PhD14; and the Society of Critical Care Medicine and the American Society of Parenteral and Enteral Nutrition

Dressing Changes for Central Venous Catheters: How Often Should They Be Performed ?

Article review prepared and submitted by ESICM Journal Club member Mireia Llaurado Serra on behalf of the N&AHP Section 

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"Anesthésie - Réanimation et troubles psychiatriques" - Juillet 2017

Ce mois-ci, vous retrouverez :

  • Halte aux perturbateurs endocriniens - Agnès Geantot
  • Une liaison encore plus étroite avec la psychiatrie - Jean-Étienne Bazin, Liliane Régent
  • Interactions des médicaments psychotropes sur l’anesthésie-réanimation - Jean-Étienne Bazin
  • Survenue et prévention des troubles psychiatriques en réanimation - Jean-Étienne Bazin
  • Rôle et modalités de l’anesthésie lors d’une électroconvulsivothérapie - Coralie Gavet, David Naudin, Jean-Étienne Bazin
  • Consentement du patient sous tutelle ou curatelle - David Colmont
  • La prise en charge médicale et chirurgicale des détenus - Christelle de Lardemelle, Jacques Wilmotte, Robert Sabbagh
  • Faire arriver le patient debout au bloc opératoire - Suzie Urcel, Catherine Penot, Isabelle Zucchet
  • Exemple de conversation en anglais pour la surveillance du patient en SSPI Catherine Muller, Isabelle Clavagnier

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