Days out of Institution after Tracheostomy and Gastrostomy Placement in Critically Ill Older Adults.

Rationale: Tracheostomy and gastrostomy tubes are frequently placed during critical illness for long-term life support, with most placed in older adults. Large knowledge gaps exist regarding outcomes expressed as most important to patients. Objectives: To determine the number of days alive and out of institution (DAOIs) and mortality after tracheostomy and gastrostomy placement during critical illness and to evaluate associations between health states before critical illness and outcomes. Methods: In this retrospective cohort study of Medicare beneficiaries admitted to an intensive care unit (ICU) who received a tracheostomy, gastrostomy, or both, we determined the number of DAOIs after procedure date; 90-day, 6-month, and 1-year mortality; hospital discharge destination; and hospital length of stay. We used claims from the year before admission to define eight mutually exclusive pre-ICU health states (permutations of one or more of cancer, chronic organ failure, frail, and robust) and assessed their association with DAOIs in 90 days and 1-year mortality. Results: Among 3,365 patients who received a tracheostomy, 6,709 patients who received a gastrostomy tube, and 3,540 patients who received both procedures, the median number of DAOIs in the first 90 days after placement was 3 (interquartile range, 0-46), 12 (0-61), and 0 (0-37), respectively. Over half died within 180 days. One-year mortality was 62%, 60%, and 64%, respectively. When compared with the robust state, all other pre-ICU health states were associated with loss of DAOIs and increased 1-year mortality; however, between the seven non-robust pre-ICU health states, there were no differences in outcomes. Conclusions: Medicare beneficiaries with prior comorbidity who received tracheostomy, gastrostomy tube, or both during critical illness spent few DAOIs and had high short- and long-term mortality.

Development and validation of a pancreatic cancer risk model for the general population using electronic health records: An observational study.

AIM: Pancreatic ductal adenocarcinoma (PDAC) is often diagnosed at a late, incurable stage. We sought to determine whether individuals at high risk of developing PDAC could be identified early using routinely collected data. METHODS: Electronic health record (EHR) databases from two independent hospitals in Boston, Massachusetts, providing inpatient, outpatient, and emergency care, from 1979 through 2017, were used with case-control matching. PDAC cases were selected using International Classification of Diseases 9/10 codes and validated with tumour registries. A data-driven feature selection approach was used to develop neural networks and L2-regularised logistic regression (LR) models on training data (594 cases, 100,787 controls) and compared with a published model based on hand-selected diagnoses ('baseline'). Model performance was validated on an external database (408 cases, 160,185 controls). Three prediction lead times (180, 270 and 365 days) were considered. RESULTS: The LR model had the best performance, with an area under the curve (AUC) of 0.71 (confidence interval [CI]: 0.67-0.76) for the training set, and AUC 0.68 (CI: 0.65-0.71) for the validation set, 365 days before diagnosis. Data-driven feature selection improved results over 'baseline' (AUC = 0.55; CI: 0.52-0.58). The LR model flags 2692 (CI 2592-2791) of 156,485 as high risk, 365 days in advance, identifying 25 (CI: 16-36) cancer patients. Risk stratification showed that the high-risk group presented a cancer rate 3 to 5 times the prevalence in our data set. CONCLUSION: A simple EHR model, based on diagnoses, can identify high-risk individuals for PDAC up to one year in advance. This inexpensive, systematic approach may serve as the first sieve for selection of individuals for PDAC screening programs.

Association between Palliative Care and End-of-Life Resource Use for Older Adults Hospitalized with Septic Shock.

Rationale: The care of critically ill patients often involves complex discussions surrounding prognosis, goals, and end-of-life decision-making. Yet, physician and hospital practice patterns, rather than patient goals, remain a major determinant of the intensity of end-of-life care. For critically ill patients, palliative care may help promote treatments that are concordant with patients' goals, while minimizing the use of invasive and costly intensive care unit resources that may not be consistent with those goals.Objectives: To determine whether inpatient palliative care, delivered by specialist consultants or a primary medical team, is associated with reduced hospital length of stay and costs for older adults with septic shock at the end of life.Methods: This was a retrospective cohort using the National Inpatient Sample from 2013 to 2014, examining patients aged ≥65 years with septic shock who died during their hospitalization. The exposure of interest was inpatient palliative care encounter, including either generalist- or specialist-delivered palliative care. Outcomes were hospital length of stay, total cost for the hospitalization, and daily hospital cost. Patient and hospital-level confounders were used to derive inverse probability of treatment weights and estimate the association between palliative care and outcomes in a generalized linear model.Results: We studied 45,868 patients who died with a diagnosis of septic shock; 15,370 of these patients had a palliative care encounter. After inverse probability of treatment weighting, there were no appreciable differences between the population characteristics. Palliative care was associated with a shorter adjusted mean hospital length of stay (12.0 vs. 13.1 d; difference, -1.1 d; 95% confidence interval [CI], -1.4 to -0.9; P < 0.001), lower total hospital costs (69,700 vs. 76,800 U.S. dollars [USD]; difference, -7,100 USD; 95% CI, -8.5 to -5.2 thousand USD; P < 0.001), and lower daily hospital cost (5,900 vs. 6,200 USD; difference, -310 USD per day; 95% CI, -420 to -200 USD; P < 0.001) when compared with no palliative care.Conclusions: In a nationally representative sample of adults who died during a hospitalization with septic shock, receipt of palliative care was associated with shorter length of stay and lower total and daily hospital costs. This finding was robust to adjustment for patient- and hospital-level confounders, though unmeasured confounders still could be affecting these findings.

Hospitalizations, costs and outcomes associated with heroin and prescription opioid overdoses in the United States 2001-12.

BACKGROUND AND AIMS: The full burden of the opioid epidemic on US hospitals has not been described. We aimed to estimate how heroin (HOD) and prescription opioid (POD) overdose-associated admissions, costs, outcomes and patient characteristics have changed from 2001 to 2012. DESIGN: Retrospective cohort study of hospital admissions from the National Inpatient Sample (NIS). SETTING: United States of America. PARTICIPANTS: Hospital admissions in patients aged 18 years or older admitted with a diagnosis of HOD or POD. The NIS sample included 94 492 438 admissions from 2001 to 2012. The final unweighted study sample included 138 610 admissions (POD: 122 147 and HOD: 16 463). MEASUREMENTS: Primary outcomes were rates of admissions per 100 000 people using US Census Bureau annual estimates. Other outcomes included in-patient mortality, hospital length-of-stay, cumulative and mean hospital costs and patient demographics. All analyses were weighted to provide national estimates. FINDINGS: Between 2001 and 2012, an estimated 663 715 POD and HOD admissions occurred nation-wide. HOD admissions increased 0.11 per 100 000 people per year [95% confidence interval (CI) = 0.04, 0.17], while POD admissions increased 1.25 per 100 000 people per year (95% CI = 1.15, 1.34). Total in-patient costs increased by $4.1 million dollars per year (95% CI = 2.7, 5.5) for HOD admissions and by $46.0 million dollars per year (95% CI = 43.1, 48.9) for POD admissions, with an associated increase in hospitalization costs to more than $700 million annually. The adjusted odds of death in the POD group declined modestly per year [odds ratio (OR) = 0.98, 95% CI = 0.97, 0.99], with no difference in HOD mortality or length-of-stay. Patients with POD were older, more likely to be female and more likely to be white compared with HOD patients. CONCLUSIONS: Rates and costs of heroin and prescription opioid overdose related admissions in the United States increased substantially from 2001 to 2012. The rapid and ongoing rise in both numbers of hospitalizations and their costs suggests that the burden of POD may threaten the infrastructure and finances of US hospitals.

Prevalence and Predictive Value of Dyspnea Ratings in Hospitalized Patients: Pilot Studies.

BACKGROUND: Dyspnea (breathing discomfort) can be as powerfully aversive as pain, yet is not routinely assessed and documented in the clinical environment. Routine identification and documentation of dyspnea is the first step to improved symptom management and it may also identify patients at risk of negative clinical outcomes. OBJECTIVE: To estimate the prevalence of dyspnea and of dyspnea-associated risk among hospitalized patients. DESIGN: Two pilot prospective cohort studies. SETTING: Single academic medical center. PATIENTS: Consecutive patients admitted to four inpatient units: cardiology, hematology/oncology, medicine, and bariatric surgery. MEASUREMENTS: In Study 1, nurses documented current and recent patient-reported dyspnea at the time of the Initial Patient Assessment in 581 inpatients. In Study 2, nurses documented current dyspnea at least once every nursing shift in 367 patients. We describe the prevalence of burdensome dyspnea, and compare it to pain. We also compared dyspnea ratings with a composite of adverse outcomes: 1) receipt of care from the hospital's rapid response system, 2) transfer to the intensive care unit, or 3) death in hospital. We defined burdensome dyspnea as a rating of 4 or more on a 10-point scale. RESULTS: Prevalence of burdensome current dyspnea upon admission (Study 1) was 13% (77 of 581, 95% CI 11%-16%). Prevalence of burdensome dyspnea at some time during the hospitalization (Study 2) was 16% (57 of 367, 95% CI 12%-20%). Dyspnea was associated with higher odds of a negative outcome. CONCLUSIONS: In two pilot studies, we identified a significant symptom burden of dyspnea in hospitalized patients. Patients reporting dyspnea may benefit from a more careful focus on symptom management and may represent a population at greater risk for negative outcomes.

Validation of an administrative coding algorithm for classifying surgical indication and operative features of spine surgery.

STUDY DESIGN: Retrospective review of medical records and administrative data. OBJECTIVE: Validate a claims-based algorithm for classifying surgical indication and operative features in lumbar surgery. SUMMARY OF BACKGROUND DATA: Administrative data are valuable to study rates, safety, outcomes, and costs in spine surgery. Previous research evaluates outcomes by procedure, not indications and operative features. One previous study validated a coding algorithm for classifying surgical indication. Few studies examined claims data for classifying patients by operative features. METHODS: Patients undergoing lumbar decompression or fusion at a single institution in 2009 for back pain, herniated disc, stenosis, spondylolisthesis, or scoliosis were included. Sensitivity and specificity of a claims-based algorithm for indication and operative features were examined versus medical record abstraction. RESULTS: A total of 477 patients, including 246 (52%) undergoing fusion and 231 (48%) undergoing decompression were included in this study. Sensitivity of the claims-based coding algorithm for classifying the indication for the procedure was 71.9% for degenerative disc disease, 81.9% for disc herniation, 32.7% for spinal stenosis, 90.4% for degenerative spondylolisthesis, and 93.8% for scoliosis. Specificity was 87.9% for degenerative disc, 85.6% for disc herniation, 90.7% for spinal stenosis, 95.0% for degenerative spondylolisthesis, and 97.3% for scoliosis. Sensitivity and specificity of claims data for identifying the type of procedure for fusion cases was 97.6% and 99.1%, respectively. Sensitivity of claims data for characterizing key operative features was 81.7%, 96.4%, and 53.0% for use of instrumentation, combined (anterior and posterior) surgical approach, and 3 or more disc levels fused, respectively. Specificity was 57.1% for instrumentation, 94.5% for combined approaches, and 71.9% for 3 or more disc levels fused. CONCLUSION: Claims data accurately reflected certain diagnoses and type of procedures, but were less accurate at characterizing operative features other than the surgical approach. This study highlights both the potential and current limitations of claims-based analysis for spine surgery.

Patient characteristics can predict improvement in functional health after elective coronary artery bypass grafting.

BACKGROUND: Despite many patients undergoing coronary artery bypass grafting (CABG) to improve their functional status, literature in this area is limited. The purpose of this study is to determine the effect of CABG on the functional health of an elective population and to identify preoperative patient characteristics associated with improved functional health after surgery. METHODS: Physical and mental functional health was assessed before and 6 months after surgery with the Short-Form Health Survey (SF-36) in 1,061 consecutive patients undergoing elective, isolated CABG. Survey data were complete in 529 patients (49.9%). Preoperative information on patient demographics, severity of cardiovascular illness, and disease comorbidities was also prospectively collected. RESULTS: Six months post-CABG the mean summary score for physical function improved by 31.9% over baseline (45.1 versus 34.2, p < 0.0001). The mean summary score for mental function improved by 7.3% over baseline (51.3 versus 47.8, p < 0.0001). Overall 73.2% of patients showed improvement in physical function and 41.6% showed improvement in mental function. Multivariate logistic regression identified certain preoperative characteristics as negative correlates of a significant improvement in physical functioning: body mass index 35 kg/m2 or greater, diabetes with sequelae, chronic obstructive pulmonary disease, peripheral vascular disease, and baseline physical function. Baseline mental function and chronic obstructive pulmonary disease were identified as negative correlates and older age as a positive correlate of significant improvement in mental functioning. CONCLUSIONS: Patient characteristics exist that impact functional health after elective CABG. Knowledge of these characteristics may be helpful when counseling patients about expected improvement in functional health with CABG.