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. Author manuscript; available in PMC: 2017 Feb 1.
Published in final edited form as: J Intensive Care Med. 2014 Oct 27;31(2):127–141. doi: 10.1177/0885066614553925

Table 5. Summary of Studies Evaluating the Implementation of Multifaceted Care Processes Targeting Delirium in ICU Patients.

Authors (year) Study Type N Intervention & Implementation Strategies Outcomes
Balas et al. (2013)8 CCT 328 RNs, NPs, RTs, PharmDs, PTs Intervention:
ABCDE Bundle consisting of daily performance of:
-spontaneous awakening trials (SATs)
-spontaneous breathing trials (SBTs)
-coordination of SATs and SBTs
-routine delirium and sedation/agitation screening and management
-early progressive mobilization
Implementation strategies:
-Interdisciplinary ABCDE implementation leaders including unit and staff champions
-Educational resources including posters/flyers, resource manuals, in-services, CAM-ICU and RASS pocket cards
-Online computer-based ABCDE training module with videos focused on
  • -problems of delirium in ICUs

  • -effects of sedation and ventilator management strategies on delirium

  • -valid techniques for assessing sedation and delirium


-Leading ICU delirium expert presentation at grand rounds
-Nurse-led 8 hour ABCDE bundle education day
-In-services over a 9-month period on how to perform CAM-ICU followed by direct observation until competence achieved
-Institutional ABCDE bundle policy
-Electronic ABCDE documentation forms embedded in HER
-ABCDE performance and outcome data presented to leaders and staff
-3 focus group sessions of ICU team members (2 during development of ABCDE policy, 1 six months after policy became standard of care
-Online ABCDE bundle knowledge and impediments survey administered before ABCDE became standard of care and 4 and 9 months following implementation
-Comprehensive outcomes-based evaluation of online training program
% of patients that received a continuously infused sedative or opioid medication anytime during ICU stay
I: 77.4%
C: 70.2%; p=0.26
% of patients that had a continuously infused sedative or opioid medication held at least once for a SAT
I: 63.6%
C: 50.7%; p =0.04
SATs performed on eligible days (median % (IQR))
I: 50.0% (33.3-50.0%) C: 33.3% (24.4-52.8%); p =0.18
Underwent a SBT anytime during ICU stay
I: 84.0%
C: 70.7%; p=0.03
Percentage of time RASS score documented every 8 hr by bedside nurse
I: 68%
C: 66.3%; p=0.84
% of patients that received physical therapy consults anytime during ICU stay
I: 75.3%
C: 71.9%; p=0.50
% of patients mobilized out of bed at least once during ICU stay
I: 66.0%
C: 48.0%; p=0.002
Carrothers et al. (2013)19 Intervention:
ABCDE Bundle consisting of daily performance of:
-spontaneous awakening trials (SATs)
-spontaneous breathing trials (SBTs)
-coordination of SATs and SBTs
-choice of sedation-delirium screening and treatment
-early progressive mobility
Implementation strategies:
-Multidisciplinary team
-Physician champions
-Completion of pre-implementation and post implementation gap analysis
-Educational sessions, on-the-job training, train-the-trainer model, super champions, coaching
-Onsite support from an improvement advisor with ABCDE content expertise
-Collection of quarterly outcome and monthly process data
% of patients receiving SATs
I: 81%
C: 25%
% of patients receiving SBTs
I: 67%
C: 30%
% of patients assessed for delirium
I: 0%
C: 65%
% of patients receiving progressive mobility
I: 0%
C: 82%
Hager et al. (2013)19 CCT 202 patients Intervention:
-Sedation protocol utilizing RASS-Delirium assessment with CAM-ICU (2× daily)
Implementation Strategies:
-Structured QI process: “4Es” framework (engage, educate, execute, evaluate)
-Multidisciplinary QI team (ICU nurse educator, pharmacist, physicians, non-ICU delirium experts)
-Education on sedation protocol, tools, & delirium prevention provided to nursing staff, house staff, and attending physicians)
-Nurses trained by protocol “super-user”
-Nurses not passing quality assurance evaluations were retrained one-on-one until proficient
-House staff trained by 2 physicians from QI team and given card with protocol and delirium prevention strategies
-ICU attending physicians educated during ground rounds and faculty meetings
-RASS and CAM-ICU embedded in EHR
-Monthly QI team meetings to identify and resolve barriers
-Formal auditing & feedback including surveys of nursing staff
-Pharmacists reminded clinicians about protocols daily during rounds
Completion of delirium screening (CAM-ICU)
I: 90%
C: 90%
Completion of sedation evaluation (RASS)
I: 94%
C: 90%
Kastrup et al. (2011)26 CCT 205 patients Intervention:Technical feedback system to monitor and report the compliance with key performance indicators for sedation, delirium, and pain monitoring and completion of ventilator weaning program.
KPIs:
Sedation evaluation (3 × day) (RASS)
Analgesia evaluation (3 × day) (NRS or BPS)
Delirium assessment (3 × day) (CAM-ICU)
SBT (1 × day);
Implementation Strategies:
-KPIs integrated into SOPs accessible on intranet and at bedside
-EHR used to capture medical and care information, lab data, and input from ventilation and monitoring systems
-Technical feedback system produced a 24-hr summary report of KPI data divided into three 8-hour nursing shifts
-Color-coded report to indicate if KPIs were met accessible via the EHR
-Summary of all KPIs reported to physicians and nurses monthly
-ICU team instructed on evaluation of sedation and analgesia scores, completion of weaning protocol, accessing the KPI summary, and interpreting results.
Completion of delirium screening (CAM-ICU)
I: 38.4% ± 25.8%
C: 0.5% ± 2.1%; p<0.01
Completion of sedation evaluation (RASS)
I: 65.7% ± 16.9%
C: 64.7% ± 15.6%; NS
Completion of analgesia evaluation (NRS/BPS)
I: 65.6% ± 16.0%
C: 61.6% ± 18.5%; p<0.01
Completion of weaning protocol
I: 41.9% (mean) ± 38.7% (SD)
C: 0.27% ±1.74%; p<0.01
Needham et al. (2010)20 CCT 57 patients Intervention:
-Standardized ICU orders w/default activity level = “as tolerated”
-Sedation practice changed from continuous infusion to “as needed” bolus doses
-Guidelines for PT, OT, & physical medicine and rehabilitation consultation
-PT, OT & rehabilitation assistant on staff
-Consultations to neurologists for patients with severe/prolonged muscle weakness
Implementation Strategy:
Structured QI model including:
-understanding the problem
-multidisciplinary improvement team
-all stakeholders identify barriers to change and solutions
-using “4Es” framework (engage, educate, execute, evaluate)
-Weekly planning meeting with multidisciplinary QI team (ICU, Rehab)
-Dissemination of project information through posters, newsletters, conferences, presentations, and patient testimonials.
-2 day site visit by field expert
-Interdisciplinary training of nurses, PTs, OTs, and respiratory therapists
-16 educational sessions for ICU nurses
-Ongoing evaluation of project through weekly QI team meetings
Number of PT and OT Is
I: 810 treatments
C: 210 treatments; p<0.001
Pun et al. (2005)28 CCT 711 patients 64 nurses Intervention:
Sedation scale (RASS) and delirium assessment (CAM-ICU) added to nursing documentation
Implementation strategies:
Systematic implementation strategy including:
-baseline assessment
-20 min introductory in-service for all ICU nurses followed by graded, staged educational interventions at regular intervals
-Compliance data collected daily with spot checks on random 40% of nurses
-Implementation of survey questionnaire
Compliance with delirium monitoring (CAM-ICU)
ICU 1: 94.7%
ICU 2: 99.7%
Compliance with sedation monitoring (RASS)
ICU 1: 90.0%
ICU 2: 84.0%
Barriers to Implementation (n=71 total barriers reported by 55 nurses in a survey)
-Time (31%)
-Attendings, fellows, or residents (27%)
-Confidence in performing delirium assessments (20%)
Radtke (2012)27 CCT 1,063 patients Intervention:
-Sedation monitoring with RASS
-Pain monitoring (NRS or BPS)
-Delirium monitoring with delirium detection score (DDS)
-Scores documented in data management system
-ICU staff trained via Modified Extended Training (2 ICUs) or Local Standard Training (1 ICU)
Implementation Strategy:Local Standard Training or Modified Extended Training
Local Standard Training:Lectures instructional video handouts bedside teaching
Modified Extended Training:
-Local support team (2 nurses/1 physician) with monitoring expertise
-3 consecutive training cycles of Local Standard Training with enhanced lectures
Frequency of delirium monitoring per patient per day (DDS)
ICU 1: Modified Training
I: median 1.6 (IQR 0.8,2.0)
C: median 0.0 (IQR 0.0,0.1); p<0.01
ICU 2: Modified Training
I: median 1.3 (IQR 0.9,1.7);
C: median 0.0 (IQR 0.0,0.0); p<0.01
ICU 3: Local standard training
I: median 0.0 (IQR 0.0,0.0);
C: median 0.0 (IQR 0.0-0.0); p=0.045 (outliers)
Frequency of sedation monitoring per patient per day (RASS)
ICU 1: Modified Training
I: median 3.0 (IQR 2.0,3.5)
C: median 0.0 (IQR 0.0-0.0); p<0.01ICU 2: Modified Training
I: median 2.0 (IQR 1.6,2.4)
C: median 0.0 (IQR 0.0-0.0); p<0.01
ICU 3: Local standard training
I: median 0.0 (IQR 0.0-0.0);
C: median 0.0 (IQR 0.0-0.0); p<0.01 (outliers)
Impact of frequency of delirium monitoring on mortality
OR 0.451; 95%
CI 0.22-0.924
Impact of delirium monitoring on ICU LOS
Not Significant
Impact of delirium monitoring on ventilation time
Not Significant