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Pressure Ulcer Management

Background Patients in intensive care units are likely to have limited mobility owing to hemodynamic instability and activity orders for bed rest. Bed rest is indicated because of the severity of the disease process, which often involves intubation, sedation, paralysis, surgical procedures, poor nutrition, low flow states, and poor cir- culation. These patients are predisposed to the develop- ment and/or the progression of pressure ulcers not only because of their underlying diseases, but also because of limited mobility and deconditioned states of health. Objective To assess whether treating high-risk patients with a prophylactic sacral dressing decreases the inci- dence of unit-acquired sacral pressure ulcers. Methods An evidence-based tool for identifying patients at high risk for pressure ulcers was used in 3 intensive care units at an urban tertiary care hospital and academic medical center. Those patients deemed at high risk had a prophylactic sacral dressing applied. Incidence rates were collected and compared for the 7 months preced- ing use of the dressings and for 7 months during the trial period when the dressing was used. Results After the sacral dressing began being used, the number of unit-acquired sacral pressure ulcers decreased by 3.4 to 7.6 per 1000 patient days depending on the unit. Conclusions A prophylactic sacral dressing may help prevent unit-acquired sacral pressure ulcers. Implemen- tation of an involved care team with heightened aware- ness and increased education along with a prophylactic sacral dressing in patients deemed high risk for skin breakdown are all essential for success. (American Jour- nal of Critical Care. 2016;25:228-234)

PROPHYLACTIC SACRAL DRESSING FOR PRESSURE ULCER PREVENTION IN HIGH-RISK PATIENTS By Jaime Byrne, RN, MSN, CCRN, Patricia Nichols, RN, MSN, CCRN, Marzena Sroczynski, RN, BSN, CWOCN, Laurie Stelmaski, RN, BSN, CWON, Molly Stetzer, RN, BSN, CWOCN, Cynthia Line, PhD, and Kristen Carlin, MPH

228 AJCC AMERICAN JOURNAL OF CRITICAL CARE, May 2016, Volume 25, No. 3 www.ajcconline.org

P atients in intensive care units (ICUs) are predisposed to pressure ulcers because of

limited mobility and the severity of their disease processes. Pressure ulcers result

from pressure or a combination of pressure and shear, usually over bony promi-

nences, and cause localized injury to the skin and underlying tissues.1 The prevalence

of pressure ulcers in acute care settings is estimated at 12% to 19.7%, of which 20%

occur on the sacrum or coccyx.2 In ICUs, pressure ulcers rates can occur in 14% to 42% of

patients.3 For patients, pressure ulcers can be painful, embarrassing, isolating, and, in some

cases, life-threatening.4

The standard of care to prevent pressure ulcers

includes routine repositioning to offload pressure

points, moisture management, use of support sur-

faces, and assessment of nutritional requirements by

registered dietitians. Despite these practices designed

to mitigate risk, pressure ulcers continue to develop in many high-risk ICU patients. In practice, pressure ulcers are indicators of quality of care.5 The Joint Commission considers prevention of health care– associated pressure ulcers a National Patient Safety Goal.6 The Institute for Healthcare Improvement included pressure ulcer prevention in its 5 Million Lives Campaign.7 More recently, the federal govern- ment identified pressure ulcers as one of the hospi- tal-acquired conditions included in the Agency for Healthcare Research and Quality composite mea- sure PSI-90.8 Hospital-acquired conditions are included in 2 pay-for-performance programs under the Patient Protection and Affordable Care Act that have great implications for hospital finances: pen- alties for hospital-acquired conditions and val- ue-based purchasing incentives.9

Treatment of pressure ulcers is expensive, with estimates of the cost at a mean of $1200 to $1600 per day.10 The Centers for Medicare and Medicaid Services no longer reimburses facilities for pressure ulcer care when the ulcers are acquired in the hospi- tal.11 Starting in 2015, hospitals that rank among

the worst 25% for hospital-acquired conditions,

including pressure ulcers, will see their reimburse-

ment rates decline.12 Reducing the incidence of

pressure ulcers would not only reduce the negative

physical and psychological impact on patients and

improve patients’ outcomes, it might also reduce costs and increase reim- bursement for hospitals. Yet, despite the widespread recognition of the need to prevent pressure ulcers in critical care patients, chal- lenges remain in the ability to prevent them. Recent studies indicate that silicone dressings may hold promise for prevention of pressure ulcers. ICU patients who received a soft silicone multilayered foam dressing on the sacrum showed significantly fewer pressure ulcers.13-15

This study sought to evaluate the effects of a prophylactic silicone adhesive hydrocellular sacral foam dressing on incidence of sacral pressure ulcers among high-risk ICU patients. The product for the trial was chosen because the facility already used Allevyn (Smith & Nephew) dressings of various sizes and shapes for care of skin tears with good results and the nurses were already familiar with this type of product. The particular dressing used in this trial

is specifically designed for use on the difficult-to-fit coccyx area.

Methods Setting

This study was conducted in an urban tertiary care academic medical center that is also a level I

trauma center with 951 licensed acute care beds. Three ICUs at the institution participated in the

study: the surgical coronary care unit (SCCU), a 9-bed surgical cardiac ICU; the medical coronary

care unit (MCCU), a 9-bed medical cardiac ICU; and a 25-bed medical ICU (MICU). The SCCU

generally provides care for patients after coronary

artery bypass surgery, valve replacement or repair,

About the Authors Jaime Byrne is an intensive care clinical nurse specialist, Marzena Sroczynski is a certified wound ostomy conti- nence nurse specialist, and Laurie Stelmaski is a certified wound ostomy nurse at Thomas Jefferson University Hospital, Philadelphia, Pennsylvania. Patricia Nichols is director of nursing education at Aria Health, Philadelphia, Pennsylvania. Molly Stetzer is a certified wound ostomy continence nurse specialist, Children’s Hospital of Phila- delphia, Philadelphia, Pennsylvania. Cynthia Line is a proj- ect manager and Kristen Carlin is a biostatistician, Office of Nursing Research, Thomas Jefferson University Hospital.

Corresponding author: Jaime Byrne, RN, MSN, CCRN, Thomas Jefferson University Hospital, 111 South 11th Street, Philadelphia, PA 19107 (e-mail: [email protected]).

www.ajcconline.org AJCC AMERICAN JOURNAL OF CRITICAL CARE, May 2016, Volume 25, No. 3 229

In practice, pressure ulcers are often perceived as quality of care indicators.

230 AJCC AMERICAN JOURNAL OF CRITICAL CARE, May 2016, Volume 25, No. 3 www.ajcconline.org

implantation of a ventricular assist device, heart

transplant, or extracorporeal membrane oxygenation

cannulation. The MCCU provides care for patients

who had a recent ST-segment elevation myocardial

infarction, cardiogenic shock, or heart failure with

decompensation and for patients who require opti-

mization before cardiothoracic surgery. The MICU

generally provides care for patients with liver failure,

respiratory failure requiring intubation and mechani-

cal ventilation, pulmonary hypertension, septic shock,

multisystem organ failure, and acute respiratory dis-

tress syndrome. The hospital’s standard mattress in

all 3 of these ICUs was the AtmosAir 9000 (KCI).

Sample The study was approved by the institutional

review board and granted a waiver of consent. All adults, aged 18 years and older, and admitted to any of these ICUs were screened for inclusion in the trial on the basis of their risk factors for skin breakdown. Patients assessed as having any 1 of the following criteria were included in the study: surgery longer than 4 hours or cumulative surgeries longer than 6 hours; cardiac arrest during this admission; vasopressor use for more than 48 hours; shock; sepsis; or multiorgan dysfunction syndrome.

If patients did not meet the afore- mentioned singular criteria, they were evaluated for the following: age more than 65 years old; bed rest; traction; diabetes; liver fail- ure; hemodynamic instability; body mass index (calculated as weight in kilograms divided by height in meters squared) less than 18.5 (underweight) or greater than 40 (morbid obesity); malnutri- tion (prealbumin < 20 mg/dL, albumin < 2.5 g/dL, nothing by

mouth > 3 days); spinal cord injury (quadriplegia/

paraplegia); sedation/paralysis for more than 48

hours; history of pressure ulcers; mechanical venti- lation for more than 48 hours; nitric oxide ventila- tion; drive lines (left or right ventricular assist

device balloon pump, extracorporeal membrane

oxygenation); history of vascular disease; expected length of stay greater than 5 days; intermittent hemodialysis/continuous venovenous hemodialysis;

Braden score 12 or less; or orthopedic injuries. Any

patient who screened positive for 5 or more of these conditions was included in the study.

Patients with any of the following conditions were excluded from the study: urinary or fecal incon-

tinence not managed with a urinary catheter or fecal

management system, weeping edema or anasarca, diaphoresis in sacral area, or preexisting sacral

pressure ulcer. Patients who were excluded from

the study could still receive the study dressing if a

wound ostomy and continence nurse (WOCN) rec-

ommended it, but those patients were not included

in the evaluation.

Design A prospective, nonrandomized, quasi-experimental

observational study was conducted to compare ICU-

acquired sacral pressure ulcers in patients assessed

at high risk for development of pressure ulcers before

and after implementing prophylactic use of silicone

adhesive hydrocellular sacral foam dressings. Base-

line data on the daily incidence of pressure ulcers

on the sacrum, buttocks, and coccyx were collected

for the 7 months before implementation of the

dressings, from October 2011 to April 2012. During this 7-month period, a screening tool to determine which patients were at high risk for pressure ulcer development on the sacrum, buttocks, and coccyx was developed after an extensive literature review. This tool was validated by the 3 WOCNs employed by the facility. In preparation for intervention data collection, in February 2012, each participating ICU conducted an informal evaluation of the screening criteria for risk of pressure ulcers and the applica- tion of the sacral dressing as prophylaxis. Registered nurses were asked to assess patients using the screen- ing criteria and apply the dressing as pressure ulcer prophylaxis in patients who met screening criteria. The nurses were also asked to evaluate the dressing for ease of application, removal, wear time, patient comfort, ease of repositioning, and patient safety. Overall, the nurses rated the aspects of the sacral dressing positively. During this study preparation, fewer than 10% of patients had clear fluid-filled blisters related to moisture develop under the sacral dressing. Following the review of these patients by the WOCN, the screening criteria and follow-up

assessment criteria were clarified to minimize the risk for blistering under the dressing during the interven- tion phase. Before the intervention phase, staff in

all 3 units and the cardiothoracic operating room,

where patients had dressings applied before their procedure, received education regarding the dressing criteria tool, dressing application (Table 1), the data

collection tool (Figure 1), and dressing removal.

The intervention phase of this study occurred from May through November 2012. During the trial period, each adult patient who was admitted to any

of the 3 ICUs was assessed by a registered nurse upon

arrival to the unit and screened for study eligibility. Patients who met inclusion criteria received a

prophylactic sacral dressing. The dressing used in this study was the Allevyn Gentle Border Sacrum

Dressing manufactured by Smith & Nephew. Data

Nurses evaluated the dressing for

ease of application, removal, wear time,

patient comfort, ease of repositioning,

and patient safety.

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on ICU-acquired pressure ulcers were collected

daily by clinical nurse specialists and registered

nurses for each unit.

Once the sacral dressing was applied to a patient,

an assessment was performed by the primary nurse

every shift (minimum every 12 hours) and docu-

mented on the data collection tool and in the

electronic medical record. Skin assessments were

completed per the hospital’s standard of nursing

care and included peeling back the sacral dressing

to perform a full skin inspection underneath. Also

documented on the data collection tool were assess-

ments of the skin condition under the dressing,

whether the dressing was reapplied or changed, and

the end date of the patient’s participation either

because the dressing was removed or because the

patient was transferred out of a participating ICU. Each patient had a data collection tool for each shift. Completed data collection tools were col- lected weekly by each unit’s clinical nurse specialist.

To ensure appropriate assessment and clinical care for patients with the sacral dressing, a mark was placed next to the patient’s name on the unit’s patient assignment board in the nurses’ break room. The sacral dressing was changed every 3 days while the patient remained in the study. Any patients who had exclusion criteria develop after application of the sacral dressing during this study had the dress- ing removed. The removal date was noted on the data collection tool as the end date of the patient’s participation. If, during the study, any skin changes occurred under the dressing, the dressing was removed unless continued use was recommended by a WOCN. Each event that required dressing removal was inves- tigated by a WOCN, and if any further treatment was recommended, it was implemented promptly. In addition, because the study included patients at very high risk for skin breakdown, any skin break- down or redness was noted and a WOCN evaluated

further use of sacral dressing treatment.

Statistical Analysis Data were entered into an Excel (Microsoft

Corp) spreadsheet and imported into IBM SPSS

Statistics 19 (IBM SPSS) for analysis. Descriptive

statistics were used to characterize the dressing use. Pressure ulcer rates were calculated by using the industry’s standardized rate per 1000 patient days.

Differences in pressure ulcer rates were obtained

by calculating incidence rate ratios and confidence intervals. P values were calculated by using a 2 test.

Results Data from all 3 units (SCCU, MCCU, and MICU)

were combined for analysis. Of the 584 patients assessed for inclusion, 243 (41.6%) had a sacral

dressing applied but completed data were received on only 200 of those patients (Figure 2). Among the 243 who had a sacral dressing applied, surgery longer than 4 hours or cumulative surgeries longer than 6 hours (32.5%, n = 79) and sepsis (23.5%, n = 57) were the

most common singular inclusion criteria (Figure 3). Table 2 lists the characteristics for the 132 patients

who met inclusion criteria for 5

or more factors and had a sacral dressing applied. The mean dura- tion for a patient to have a dress-

ing in place was 3.26 days (SD,

3.17, n = 200), with a range of 0 to 24 days. In all, 71.5% (n = 143) of patients had a dressing applied for 3 or fewer days.

Depending on the unit, implementation of the

sacral dressing reduced unit-acquired sacral pressure ulcers anywhere from 3.4 to 7.6 per 1000 patient days.

The SCCU had the most dramatic reduction at 7.6 per 1000 patient days, the MCCU had a reduction

of 3.4/1000 patient-days, and the MICU reduced

rates by 3.6 per 1000 patient days (Table 3).

Table 1 Quick tips and daily expectations for use of dressings

Quick tips

Key reminders Refer to criteria checklist to iden-

tify proper patient Place preventatively on clean dry

intact skin Apply dressing before applying

any emollients (skin prep, pro- tectants, wipes)

Check under dressing every 12 hours and document skin

Peel right or left top corner quarter way to view skin

Place dressing back and trace over with warm hand

If dressing slightly soiled, clean from inside out

Change every 3 days Remove if patient transfers out of

unit If dressing stays on < 24 hours

because of multiple incontinence episodes, discontinue use

Dressing Application Remove center backing of dressing

and start with center in gluteal fold

Point/tail of dressing covers coccyx Start in center and work up and out Don’t stretch wings when removing

remaining backing Once dressing is in place, hold warm

hand on dressing for 30 seconds

Apply as directed and mark dress- ing with date and time of appli- cation

Peel back every shift for skin assessment, reseal existing dressing after assessing

Document any new findings, report changes to clinical nurse specialist, wound ostomy conti- nence nurse, or both

Remove and discard dressing every 3 days

Reapply as long as patient meets the inclusion criteria

If dressing exterior is soiled but remains intact, it does not need to be changed; wipe clean and change on third day

If dressing does not stay intact more than 24 hours because of incontinence, discontinue dressing and use barrier cream or alternative management

Daily expectations

Use of the sacral dressing reduced pressure ulcers by 3.4 to 7.6 per 1000 patient days.

Carina

Highlight

232 AJCC AMERICAN JOURNAL OF CRITICAL CARE, May 2016, Volume 25, No. 3 www.ajcconline.org

Figure 1 Data collection tool.

Abbreviations: DTI, deep tissue injury; PU, pressure ulcer; WOCN, wound ostomy continence nurse.

ALLEVYN Sacral Gentle Border for Pressure Reduction—Data Collection

***Consult Wound Care on Each Patient***

Room #:_______________

ICU admission date: ____/______/____

Evaluation period: Date dressing originally applied: ____/______/____

End date (either date dressing permanently removed or when patient transferred out of the ICU): ____/_____/____

Did the patient die? Please circle. Yes / No

***PLEASE COMPLETE ON EVERY PATIENT MEETING CRITERIA FOR ALLEVYN SACRAL DRESSING***

ADD additional sheets as needed. Once completed, place in allotted bin in the unit for collection.

Date Time Skin condition Dressing

AM Intact Nonblanchable erythema or color different from skin tone/stage I PU Partial thickness/stage II PU Full thickness/stage III or IV PU/unstageable PU Evidence of DTI Exclusion criteria met Other (describe):

Reapplied Changed Permanently removed

WOCN consulted

PM Intact Nonblanchable erythema or color different from skin tone/stage I PU Partial thickness/stage II PU Full thickness/stage III or IV PU/unstageable PU Evidence of DTI Exclusion criteria met Other (describe):

Reapplied Changed Permanently removed

WOCN consulted

Reapplied Changed Permanently removed

WOCN consulted

Reapplied Changed Permanently removed

WOCN consulted

Figure 2 Flow chart shows how study’s sample size was deter- mined.

Total number of patients assessed for inclusion in the study

Number of patients who had a sacral dressing applied

Number of patients who had a sacral dressing applied and had complete data

584

243

200

Five patients experienced unanticipated skin issues during the trial. Two patients had a deep

tissue injury (DTI) develop, 1 had a stage I pressure ulcer develop, and 1 had a blister develop on the

sacrum. In all of these cases, the dressing was imme- diately removed upon discovery of the skin changes,

a WOCN was consulted, and further treatment was implemented, if recommended by the WOCN. The

fifth case was a DTI located on the patient’s left buttock that resulted from pressure caused by the

patient lying on a partially dislodged sacral dress- ing. Upon discovery of the altered dressing integ-

rity, this patient was treated appropriately with a

wound care consultation and the application of a mild topical vasodilator, and the DTI resolved.

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Discussion Minimizing pressure ulcers is an important

issue for the management of critically ill patients.

The intention of the study was to see if the use of

a new product on the market would improve out-

comes in our patients at high risk for pressure ulcers.

Study findings revealed that during the 7-month trial,

use of the dressing led to decreases in the incidence

of pressure ulcers on the sacral, coccyx, and buttock

area in all 3 ICUs. These findings suggested that the

dressing could decrease cost for institutions and

improve patient care, contributing to the body of

knowledge about interventions to minimize the risk

of pressure ulcers. Our results were similar to those

of Santamaria et al,13 Chaiken,15 and Walsh et al.14

Education and reminders to the bedside staff on

exactly how to apply and use the dressing are imper- ative to the prevention of pressure ulcers in patients.

Limitations and Strengths Because of the nature of the prospective study

design, demographic information was not collected. This lack of demographic data prevented a direct comparison between the pretrial population and the population during the trial. Other risk factors for pressure ulcers, not related to the prophylactic dressing, may have differed between these 2 popula- tions, thus biasing the results of this trial. Addition- ally, the study sample was nonrandomized; it was a convenience sample that looked only at feasibility. Interrater reliability could not be assessed because repositioning of patients was not monitored. Docu- mentation was incomplete in 43 of the patients who had the dressing applied, making it impossible to track the reason for application and wear time in those patients. Multiple initiatives were taking place during this time frame that also focused on preven- tion of pressure ulcers. A multidisciplinary hospital-

acquired pressure ulcer committee was developed in September 2011 that evaluated wound care practices, policies, and products and implemented changes,

all with the common goal of decreasing the incidence

of pressure ulcers. Dermal defense champions were chosen in February 2012, and their focus was to receive monthly education on pressure ulcer preven-

tion and then relay that information at the unit level

to staff nurses. The units had increased education and awareness during this period, which caused more active participation. The decrease in pressure

ulcer incidence during the intervention phase

improved patients’ outcomes.

Conclusion The results of this study indicated that a pro-

phylactic sacral dressing may prevent ICU-acquired

sacral pressure ulcers. Future studies could evaluate

the effects of prophylactic dressings in conjunction with a critical care bundle for prevention of pres-

sure ulcers that addresses nutritional status and

frequent repositioning. Conducting a randomized controlled trial would be beneficial for further

Figure 3 Frequencies of conditions that led to automatic inclusion in the study among patients who had the dressing applied. Abbreviations: MODS, multiorgan dysfunction syndrome.

P e rc

e n

ta g

e o

f p

a ti

e n

Condition

0 Cardiac arrest

MODSShockSepsisSurgery Vasopressor

Factor

Table 2 Nonautomatic inclusion factors of 243 patients who had Allevyn dressing applied: 5 or more factors required for inclusion

Bed rest

Expected stay > 5 days

Age > 65 years

Hemodynamic instability

Diabetes

Mechanical ventilation

Sedation

Braden score > 12

History of vascular disease

Malnutrition

Body mass index

Liver failure

Intermittent hemodialysis

Drive lines

History of pressure ulcers

Orthopedic injuries

Spinal cord

Nitric oxide ventilation

Traction

159 (65.4)

104 (42.8)

101 (41.6)

97 (39.9)

51 (21.0)

50 (20.6)

48 (19.8)

44 (18.1)

34 (14.0)

24 (9.9)

22 (9.1)

18 (7.4)

16 (6.6)

15 (6.2)

7 (2.9)

4 (1.6)

3 (1.2)

1 (0.4)

0 (0.0)

No. (%) of patients

234 AJCC AMERICAN JOURNAL OF CRITICAL CARE, May 2016, Volume 25, No. 3 www.ajcconline.org

Unit

Table 3 Improvements seen in each unit in the study during the Allevyn trial period

Surgical coronary care

Medical coronary care

Medical intensive care

.08

.31

.27

0.16-1.09

0.16-1.78

0.14-1.73

0.41

0.54

0.49

7.62

3.44

3.58

5.38

3.96

3.40

13.00

7.40

6.98

P95% ClIncidence rate ratio Rate difference

(per 1000 patient days)

Pressure ulcer incidence (per 1000 patient days)

During trialBefore trial

analysis of the effects of the dressing itself. It would

be useful to study the cost-effectiveness of such

interventions. Also, it would be useful to study

prophylactic dressings on other body areas prone

to pressure damage, such as around devices or

specialty equipment.

FINANCIAL DISCLOSURES Some of the Allevyn dressings were donated by the man- ufacturer, Smith & Nephew (120 dressings comprising approximately 50% of 1 month’s supply). However, this donation covered only a portion of necessary supplies. Additional supplies were provided by Thomas Jefferson University Hospital. Smith & Nephew played no role in the design of the research study or the collection of data and was not considered a contributing partner or coauthor.

eLetters Now that you’ve read the article, create or contribute to an online discussion on this topic. Visit www.ajcconline.org and click “Submit a response” in either the full-text or PDF view of the article.

SEE ALSO For more about preventing pressure ulcers, visit the Critical Care Nurse Web site, www.ccnnonline.org, and read the article by Cooper, et al, “Against All Odds: Preventing Pressure Ulcers in High-Risk Cardiac Surgery Patients” (October 2015).

REFERENCES 1. European Pressure Ulcer Advisory Panel and National

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2. Jenkins ML, O’Neal E. Pressure ulcer prevalence and inci- dence in acute care. Adv Skin Wound Care. 2010;23:556-559.

3. Cox J. Pressure ulcer development and vasopressor agents in adult critical care patients: a literature review. Ostomy Wound Manage. 2013;59(4):50-54, 56-60.

4. Langemo DK, Melland H, Hanson D, Olson B, Hunter S. The lived experience of having a pressure ulcer: a qualita- tive analysis. Adv Skin Wound Care. 2000;13:225-235.

5. Gallant C, Morin D, St-Germain D, Dallaire D. Prevention and treatment of pressure ulcers in a university hospital center: a correlational study examining nurses’ knowledge and best practice. Int J Nurs Pract. 2010;16:183-187.

6. The Joint Commission. 2011 Joint Commission national patient safety goals. http://www.lovell.fhcc.va.gov/about /2011Nation- alPatientSafety.pdf. 2011. Accessed February 22, 2016.

7. Institute for Healthcare Improvement. 5 Million lives cam- paign. http://www.ihi.org/offerings/Initiatives/PastStrategi- cInitiatives/5MillionLivesCampaign/Pages/default.aspx. 2008. Accessed February 22, 2016.

8. Agency for Healthcare Research and Quality: US Department of Health and Human Services. Quality indicator user guide: patient safety indicators (psi) composite measures version 4.3. http://www.qualityindicators.ahrq.gov/Downloads/Mod- ules/PSI/V43/Composite_User_Technical _Specification_ PSI_4.3.pdf. Accessed February 22, 2016.

9. American Hospital Association. Quality reporting and pay-for-performance. April 15, 2014. http://www.aha.org /content/14/ip-qualreport.pdf. Accessed February 22, 2016.

10. Russo CA, Steiner C, Spector W. Hospitalizations related to pressure ulcers among adults 18 years and older, 2006. Sta- tistical brief #64, AHRQ Healthcare Cost and Utilization Proj- ect. www.hcup-us.ahrq.gov/reports/statbriefs/sb64.pdf. December 2008. Accessed February 22, 2016.

11. Centers for Medicare & Medicaid Services. Hospital-acquired conditions. http://www.cms.gov/Medicare/Medicare-Fee-for- Service-Payment/HospitalAcqCond/Hospital-Acquired _Con- ditions.html. Accessed February 22, 2016.

12. Medicare website. Linking quality to payment. http://www .medicare.gov/hospitalcompare/linking-quality-to- payment .html?AspxAutoDetectCookieSupport=1. Accessed February 22, 2016.

13. Santamaria N, Gerdtz M, Sage S, et al. A randomized con- trolled trial of the effectiveness of soft silicone multi- layered foam dressing in the prevention of sacral and heel pressure ulcers in trauma and critically ill patients: the border trial. Int Wound J. 2015;12(3):302-308.

14. Walsh NS, Blanck AW, Smith L, Cross M, Andersson L, Polito C. Use of a sacral silicone border foam dressing as one component of a pressure ulcer prevention program in an intensive care unit setting. J Wound Ostomy Continence Nurs. 2012;39(2):146-149.

15. Chaiken N. Reduction of sacral pressure ulcers in the inten- sive care unit using a silicone border foam dressing. J Wound Ostomy Continence Nurs. 2012;39(2):143-145.

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