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PubMed1996

One-stage versus two-stage Soave pull-through for Hirschsprung's disease in the first year of life.

Several investigators have reported good results after a one-stage Soave procedure without a stoma for infants with Hirschsprung's disease. The authors reviewed their concurrent experience with the one- and two-stage approaches, comparing the two groups with respect to rate of complications and clinical outcome. Over a 3-year period, 36 infants with colonic Hirschsprung's disease presenting in the first year of life were treated with a Soave pull-through. Thirteen had a one-stage pull-through, and 23 had a two-stage procedure using an initial stoma. There was no difference with respect to median age at time of diagnosis, median follow-up period, length of aganglionosis, or male:female ratio between the groups. The incidences of major complications such as small bowel obstruction, segmental or acquired aganglionosis, anastomotic leak, and malabsorption were equal between the two groups. However, 13% of the two-stage patients required revision of the stoma. All major complications in the one-stage group were in those who weighed less than 4 kg at the time of surgery. Minor complications such as wound infection, perianal excoriation, and need for repeated dilatation were similar between the groups, but minor stoma-related complications (prolapse or retraction) occurred in 26% of the two-stage infants. When complications were stratified using a more sophisticated scale of severity, no significant difference was found between the groups. The overall complication rate was 1.5 events per patient in the one-stage group and 2.0 events per patient in the two-stage group. This small difference was related to the presence of a stoma in the two-stage group. Overall, 10 of 12 survivors in the one-stage group and 22 of 23 in the two-stage group were doing well, with normal bowel function noted on long-term follow-up (mean period, of 14 and 19 months, respectively). Both one- and two-stage approaches were associated with a significant complication rate, although long-term outcome was excellent in both groups. The higher complication rate in the two-stage group was attributable to the presence of a stoma. For small infants, it may be beneficial to delay the one-stage pull-through until weight exceeds 4 kg.

Anastomosis, Surgical↗
PubMed1999

CONTINUUM-Activity Index: managing admission inappropriate stays in a community hospital.

The CONTINUUM-Activity Index was used as a concurrent tool to measure intensity of services delivered in an Acute Care Community Hospital. Applying these specific daily measures identified patients who did not meet admission-appropriateness criteria on the first day of care or did not meet those criteria on two days subsequent to admission. These patients had a high probability that their entire stay would be inappropriate. Action was then taken to move the care process forward, resulting in a significant reduction in inappropriate hospital days.

Bed Occupancy↗
PubMed1994

CONTINUUM: measuring and managing the patient care process.

The authors describe the CONTINUUM project which was initiated in a community hospital to manage the appropriateness, timeliness and acceptability of the patient care process on a concurrent or day-to-day basis. CONTINUUM is a quality and data-driven approach to continuous improvement of the patient care process. The St. Thomas-Elgin General Hospital researched "appropriateness of care" measurements and adapted their use for the CONTINUUM project. A concurrent care plan evaluation tool is applied to every care every day. This intensity of service (needs-based) strategy is called the ACTIVITY index. Patients are categorized ACTIV (appropriate) or non-ACTIV (perhaps inappropriate). Non-ACTIV patients are further subdivided into various "barriers to care," from which service, hospital or physician-related factors can be stratified. Practice patterns and hospital resource use are then rapidly identified. The operational dimensions of the project (bedside, organization and community) are described as well as the inhibitors and enablers of this change process.

Canada↗
PubMed2002

Reducing failed extubations in the intensive care unit.

BACKGROUND: Failed extubation is associated with substantially increased morbidity, mortality, and costs for patients receiving mechanical ventilation. A study was designed in 1998 to identify risk factors for failed extubation and use a quality improvement model to reduce failed extubation rates in a surgical intensive care unit (SICU) in an academic hospital. METHODS: Study design involved a prospective cohort SICU with a concurrent control SICU. The primary outcome was rate of failed extubations per 1,000 ventilator days. Information on risk factors for failed extubations was also collected. Performance improvement staff identified failed extubation patients, and respiratory therapy provided information on ventilator days. The quality improvement model implemented three phases between October 1998 and June 2000: (1) identifying factors associated with failed extubation, (2) developing a guideline to reduce failed extubation, and (3) implementing the guideline. RESULTS: Significant factors associated with failed extubation included suctioning more frequently than every 4 hours versus the current model of "every 4 hours or greater" (odds ratio [OR] 11.3; 95% confidence interval [CI] 1.5-88.3), being agitated or sedated versus being alert (OR 4.5, CI: 1.2-14.7), and oxygen saturation < or = 95% versus > or = 95% (OR 4.0; CI: 1.2-13). Failed extubation rate in the SICU decreased from 8/1,000 in October 1998 to 1.5/1,000 in June 2000, and control SICU rates remained unchanged (8/1,000). DISCUSSION: The intervention significantly reduced the rate of failed extubation in the SICU. By employing a quality improvement model and identifying risk factors for failed extubation, providers should be able to decrease risk of failed extubation for SICU patients.

Academic Medical Centers↗
PubMed2001

Using a continuous time hidden Markov process, with covariates, to model bed occupancy of people aged over 65 years.

Previously, the application of a continuous time hidden Markov model with discrete states was used to model geriatric inpatient behaviour. This was itself built on research using a discrete deterministic model to represent the flow of geriatric patients around departments of geriatric medicine. This paper uses the continuous time hidden Markov models and includes the effect of covariates, age and sex, in the model. Fitting the models we can visually see that the two compartment models provides estimates that are much closer to those observed in the data. The addition of covariates provides us with evidence of a difference in length of stay between men and women. However, even significant alterations to the mean age of patients in the model does not effect the length of stay.

Age Factors↗
PubMed2002

Diagnostic cost groups (DCGs) and concurrent utilization among patients with substance abuse disorders.

OBJECTIVE: To assess the performance of Diagnostic Cost Groups (DCGs) in explaining variation in concurrent utilization for a defined subgroup, patients with substance abuse (SA) disorders, within the Department of Veterans Affairs (VA). DATA SOURCES: A 60 percent random sample of veterans who used health care services during Fiscal Year (FY) 1997 was obtained from VA administrative databases. Patients with SA disorders (13.3 percent) were identified from primary and secondary ICD-9-CM diagnosis codes. STUDY DESIGN: Concurrent risk adjustment models were fitted and tested using the DCG/HCC model. Three outcome measures were defined: (1) "service days" (the sum of a patient's inpatient and outpatient visit days), (2) mental health/substance abuse (MH/SA) service days, and (3) ambulatory provider encounters. To improve model performance, we ran three DCG/HCC models with additional indicators for patients with SA disorders. DATA COLLECTION: To create a single file of veterans who used health care services in FY 1997, we merged records from all VA inpatient and outpatient files. PRINCIPAL FINDINGS: Adding indicators for patients with mild/moderate SA disorders did not appreciably improve the R-squares for any of the outcome measures. When indicators were added for patients with severe SA who were in the most costly category, the explanatory ability of the models was modestly improved for all three outcomes. CONCLUSIONS: Modifying the DCG/HCC model with additional markers for SA modestly improved homogeneity and model prediction. Because considerable variation still remained after modeling, we conclude that health care systems should evaluate "off-the-shelf" risk adjustment systems before applying them to their own populations.

Adult↗
PubMed1994

A concurrent audit of high digoxin plasma levels.

A concurrent audit was made of 92 patients with plasma or serum digoxin levels of 3.0 ng/ml or more. Evidence of digoxin toxicity was present in 44 of these patients, and premature blood sampling accounted for the high levels in 30 nontoxic patients. Another 14 patients tolerated high digoxin levels without apparent adverse effects. Impaired renal function appeared to increase the risk of digoxin toxicity, even though digoxin levels were similar in patients with and without toxicity. Pharmacokinetic predictions based on patient weight and creatinine clearance often deviated considerably from measured digoxin levels even when these were drawn appropriately.

Aged↗
PubMed2001

Implementation of standing field treatment protocols in an urban EMS system.

The objective was to describe our experience with implementation of standing field treatment protocols (SFTP) in a large, urban EMS system. A prospective, consecutive observational study examining the first 21 days of implementation of SFTPs in the City of Los Angeles, California. SFTPs were developed for 7 medical chief complaints and all major trauma patients. There were 13,586 EMS incidents, of which 4,037 (30%) received ALS treatment. SFTPs were used on 2,177 of these incidents, representing 54% of all ALS runs and 16% of all EMS incidents. The most frequently used SFTPs were for altered level of consciousness (29%), and chest pain (25%). The most common errors found were failure to document reassessment of the patient after each medication administration (45% fallout rate), and failure to document and attach a copy of the ECG to the EMS report (40%). The mean fallout rate for failure to establish or attempt IV access, administer oxygen, or provide cardiac monitoring was 7%. Out of 1,450 incidents with outcome data provided by the receiving hospitals, only 3 cases (2%) involved incorrect treatment, with an additional 2 involving the unnecessary use of lidocaine. None of these instances resulted in adverse effects or complications. SFTPs were integrated into a large EMS system with few procedural errors or adverse outcomes.

Adult↗
PubMed2003

Validation of the Hendrich II Fall Risk Model: a large concurrent case/control study of hospitalized patients.

This large case/control study of fall and non-fall patients, in an acute care tertiary facility, was designed to concurrently test the Hendrich Fall Risk Model. Cases and controls (355/780) were randomly enrolled and assessed for more than 600 risk factors (intrinsic/extrinsic). Standardized instruments were used for key physical attributes as well as clinician assessments. A risk factor model was developed through stepwise logistic regression. Two-way interactions among the risk factors were tested for significance. The best fitting model included 2 Log L chi square statistic as well as sensitivity and specificity values retrospectively. The result of the study is an easy to use validated Hendrich Fall Risk Model with eight assessment parameters for high-risk fall identification tested in acute care environments.

Accidental Falls↗
PubMed2005

Control of common, non-pain cancer symptoms.

Despite major advances in cancer biology and therapeutics, cancer and its treatment continue to cause devastating suffering. Patients with advanced cancer most often experience multiple physical and psychological symptom concurrently. We review here some of the common non-pain cancer symptoms, focusing on the assessment and treatment of fatigue, anorexia and cachexia, dyspnea, and symptoms common near the end of life.

Anorexia↗
PubMed2006

Interobserver agreement on classifying endoscopic diagnoses of nonerosive esophagitis.

BACKGROUND AND STUDY AIMS: The majority of patients with gastroesophageal reflux disease in Japan have low-grade esophagitis, including minimal changes. A modified Los Angeles classification of esophagitis, consisting of erosive esophagitis (grades A - D) and nonerosive esophagitis (grades M and N) has been proposed and is in clinical use in Japan. However, it is unclear whether nonerosive esophagitis with only undemarcated mucosal discoloration (grade M) is clinically significant, since interobserver variations in classification have not been investigated. The aim of the present study was therefore to evaluate interobserver variance and diagnostic agreement in the diagnosis of nonerosive esophagitis (grades M and N). MATERIALS AND METHODS: A total of 84 endoscopists were enrolled to assess the grade of esophagitis in 30 patients by viewing endoscopic images of the gastroesophageal junction. The images were projected onto a screen, and all of the endoscopists reviewed them concurrently. The diagnosis was selected from the following three categories in the modified Los Angeles classification: grades N, M, or A. The endoscopists were grouped according to their experience, whether they had a board license, and whether they had received specialist training in esophagitis. The kappa coefficient of reliability was calculated. RESULTS: The kappa coefficient of reliability for all the endoscopists in the diagnosis of cases of grade M and N nonerosive esophagitis was unacceptably low at 0.22 (95 % CI, 0.21 - 0.24). Endoscopists with a board license and those who had completed a special esophagitis diagnostic course had slightly higher kappa values (0.26; 95 % CI, 0.23 - 0.30 and 0.29; 95 % CI, 0.26 - 0.32), respectively. CONCLUSIONS: Interobserver agreement on the endoscopic diagnosis of nonerosive esophagitis (grades M and N) is too low to be of clinical value.

Clinical Competence↗
PubMed1978

Concurrent quality assurance in hospital care. Report of a study by Private Initiative in PSRO.

To test the feasibility and effects of incorporating concurrent quality assurance (CQA) into the concurrent utilization reviews required by PSRO's, adherence to essential criteria of medical care and attainment of expected immediate outcomes were monitored prospectively in 5604 cases of seven conditions in 24 experimental and 26 control hospitals in five PSRO areas. CQA was not consistently associated with improved documentation in records, but was associated with slightly better adherence to treatment criteria in all five PSRO areas (P less than 0.03). Adherence to pooled documentation or treatment criteria was unrelated to outcomes. However, failure to adhere to disease-specific scientifically validated treatment criteria was associated with unsatisfactory outcomes in bacterial pneumonia (P less than 0.01) and acute myocardial infarction (P less than 0.02). CQA was professionally acceptable, technically feasible and compatible with PSRO reviews. Given adequate physician support, CQA can produce slightly greater adherence to treatment criteria. If the criteria are valid, adherence may lead to improved immediate outcomes in some diseases.

Adult↗
PubMed1981

Iatrogenic illness on a general medical service at a university hospital.

We found that 36% of 815 consecutive patients on a general medical service of a university hospital had an iatrogenic illness. In 9% of all persons admitted, the incident was considered major in that it threatened life or produced considerable disability. In 2% of the 815 patients, the iatrogenic illness was believed to contribute to the death of the patient. Exposure to drugs was a particularly important factor in determining which patients had complications. Given the increasing number and complexity of diagnostic procedures and therapeutic agents, monitoring of untoward events is essential, and attention should be paid to educational efforts to reduce the risks of iatrogenic illness.

Adult↗