The relationship between pressure ulcer prevalence, body mass index, and Braden scales and subscales: a further analysis.

The purpose of this study was to evaluate whether any of the Braden subscales were more strongly related to pressure ulcer occurrence than the Braden total score in obese and nonobese hospitalized patients. The authors investigated whether defining high risk for the total Braden score of 16 or less was associated with pressure ulcer occurrence.

Pilot testing the augmentech body position sensor on the morbidly obese patient.

The Augmentech Body Position Sensor (ABPS), a device for monitoring patient repositioning, was tested for use in morbidly obese patients. Specific aims were to: determine whether there was correspondence between data on patient turning and repositioning from the ABPS and data gathered through human observation; determine whether the ABPS is an acceptable instrument for measuring body movements in morbidly obese patients in terms of ease of use, comfort and ability to stay in place. A descriptive study was conducted. Data from the ABPS recording patients' body positions were compared with data from videotapes taken of the same patients during the same time period. The sleep center of a tertiary care facility in the southeastern United States was used. Ten participants with BMI ≥30 were selected from patients referred to the sleep center for polysomnography. Positioning the device on the patient's thigh, data were collected from midnight until discharge. Videotapes taken of the same patient during the same time period were examined for changes in body position over time. There was a strong correspondence between the videotaped data and the ABPS data. The device was comfortable and not irritating to the patient. The APBS can be a useful measure for determining changes in body position but further study should be undertaken to test other sites for placement.

Trauma intensive care unit survival: how good is an educated guess?

BACKGROUND: Resource utilization in medicine is becoming a more and more urgent issue with ongoing national discussions on healthcare coverage. In the management of a trauma system, large amounts of resources and money are expended on individual patients in hope of a "great save." In addition, those of us caring for these patients are required to estimate outcomes daily to the family in an effort to choose the best course of care for an individual patient. Hence, we undertook a study to analyze the accuracy of outcomes predictions of various members of the healthcare team. METHODS: During a period of 38 months (July 2005 to August 2008), an observational study of patients admitted to a Level I Trauma Center Intensive Care Unit (ICU) was undertaken. Institutional Review Board permission was obtained before starting the study. Only patients older than 18 years were included. Patients who were moribund or expected discharge within 72 hours were excluded.Our traumatized ICU patients are cared for by a multidisciplinary team consisting of a trauma/ICU attending, all of whom have additional certification in surgical critical care and who rotate through the ICU on a weekly basis, a surgical ICU fellow, residents and medical students of several levels of training who rotate on a monthly basis, trauma advanced-level practitioners who rotate weekly, and bedside ICU nurses who work routine shifts. Respiratory therapists, nutritionists, ICU pharmacists, and other members of the rounding team were not included in the study because they do not provide global patient care. Regardless of admitting physician, the patients are managed by the team, and our practice of care is similar across the group, based on protocols and consensus.For each of the study patients, a survey tool was filled out by the ICU rounding team on hospital day 1 and hospital day 3. The tool was completed by members of the team providing global care to the patient and varied depending on the members of the group at each day's rounds. All current and admission data on injuries, study and laboratory results, and current patient status were available to all members of the team. Each member was expected to fill out the survey tool independently, and the results of the tool were not discussed during rounds.Concurrently, data were collected by the ICU fellow and research nurse. These data and the results of the survey tools were entered in a database for analysis after patient discharge. A retrospective analysis was undertaken to analyze the relative accuracy of the care, team members' assessment, and actual survival. Statistical analysis was done using by-chance accuracy comparisons. RESULTS: Two hundred twenty-three patients had 326 observations performed. Day 3 accuracy improved for most groups. In all groups, accuracy was found to be statistically significantly better than by-chance accuracy. Given that the majority of patients in the trauma population are survivors, sensitivity and positive predictive value of the observer's ability to predict death were also evaluated. CONCLUSIONS: Although significantly better than chance prediction, the ability of members of the ICU team to predict survival of trauma patients remains poor, particularly on initial evaluation. A period of clinical observation improves the accuracy. Unfortunately, experience of the observer does not seem to improve accuracy of survival prediction. This data indicate that care must be taken when describing likely outcomes to patient family members.

The association of BMI and Braden total score on the occurrence of pressure ulcers.

PURPOSE: We compared pressure ulcer (PU) prevalence patients with a body mass index (BMI) of 40 or more, and Braden Scale scores of 16 or more to patients with lower BMI. METHODS: A cross-sectional study by using existing data was conducted combining patient skin status with BMI. Subjects underwent skin assessment for evidence of skin breakdown by nurses trained in PU assessment. Data from this assessment were combined with historic data gathered from review of medical records and BMI. SUBJECTS AND SETTING: The study was carried out in a tertiary medical center in Eastern North Carolina. Three hundred sixty-two patients were included in the prevalence study. RESULTS: Fourteen percent of all patients had at least 1 PU. The prevalence among patients with a BMI of less than 40 was 12.5% as compared to 26% in patients with a BMI of more than 40 (P 5 .01). When controlling for the effects of BMI, patients with a Braden Scale score of 16 or less were almost 6 times more likely to have a PU as compared to those with Braden Scale scores of more than 16 (P, .001). Body mass index had an independent association with the probability of PU occurrence. Patients with BMIs of more than 40 were almost 3 times more likely to have a PU compared to those with BMIs of 40 or less, after controlling for Braden risk (P 5 .01). CONCLUSION: A BMI of more than 40 and Braden Scale score of 16 or less were found to have an independent and statistically significant association with PU occurrence. Future studies should investigate the predictive validity of BMI along with individual Braden subscales.

Tissue oxygenation monitoring in the field: a new EMS vital sign.

BACKGROUND: A tissue hemoglobin oxygen saturation (STO2) monitor was created to assess the perfusion status of a peripheral muscle bed using near infrared light to directly measure oxygen saturation in the microcirculation. Hypoperfusion has been noted when the STO2 is <75%. The use of this technology has not been tested in the prehospital setting. This pilot study was performed to assess the technology's ease of use in the field and to correlate STO2 readings with patient outcomes. METHODS: Hospital-based transport vehicles were equipped with STO2 monitors and personnel were asked to evaluate the functionality of the technology. Initial, average, and minimal STO2 values were collected and compared with data of the trauma registry. RESULTS: Forty five of 55 surveys were returned with 100% reporting ease of use and no reports of interference with monitors or avionics. Monitoring length averaged 16.9 minutes +/- 6.9 minutes. Forty-one patients had complete data sets and five deaths were reported for a mortality rate of 12%. STO2 endpoints revealed and increased risk of death for every 10% decrease in STO2. CONCLUSION: The STO2 monitor can easily be used in the prehospital environment. In addition, initial recordings were significantly different between survivors and nonsurvivors with every 10% decrease in STO2 increasing mortality threefold. This monitor seems to give the prehospital provider a noninvasive tool for assessment of hypoperfusion in the field and may allow for earlier resuscitative efforts to commence.

Research in the Rehabilitation Unit Presents Challenges to Nurse Researchers.

PURPOSE: Gathering data from patients on a rehabilitation unit poses challenges for nurse researchers. DESIGN: A case study is presented that describes ways the researchers attempted to meet these challenges while conducting their study. METHODS: The case study presents the approaches that the investigators took to undertake the study and then described the ways in which these approaches could have been improved. FINDINGS: Their successes and failures are described. CONCLUSIONS: Suggestions are made for future investigators. CLINICAL RELEVANCE: Clinical nursing research is required to develop an evidence base for practice in the rehabilitation unit. An analysis of the challenges and possible methods of overcoming these challenges is useful to both future investigators and nurses in practice to insure that studies can be carried out effectively.

Barriers to transition of obese patients from hospital to community.

OBJECTIVES: To identify barriers encountered by case managers in hospitals, home care agencies, and nursing homes in the transition of the obese patient from the hospital to the community. STUDY DESIGN: Exploratory descriptive design was used. Hospital case managers, nursing home administrators, and Medicare-certified home healthcare agency administrators were surveyed to identify barriers. METHODS: Hospital case managers in each licensed acute care hospital, directors of licensed nursing homes, and administrators of the Medicarecertified home healthcare agencies in 1 southern state were surveyed. The survey instrument was designed by the investigators based on variables identified in the literature or encountered within their practice. Instruments consisted of items related to the respondent's experience with barriers such as patient size, degree of patient independence, patient care requirements, staffing levels, and the need for assistive equipment, as well as items used to collect basic demographic information. RESULTS: Both hospital case managers and nursing home directors reported as major barriers the equipment, the size of the patient, patient independence, and finances. Home care agency directors reported that the presence or absence of a competent caregiver was the major factor in the decision to accept or not accept an obese patient. CONCLUSIONS: Transition of the obese patient presents major challenges. Further exploration is needed to identify the extent of problems and make policy recommendations toward a solution.

Challenges in caring for morbidly obese patients.

This study aimed to determine how morbidly obese patients and their families manage activities of daily living (ADLs) at home. A survey design was used for this descriptive study. Home healthcare professionals identified both challenges and innovations in managing the ADLs of the morbidly obese in the home.