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Background: We aim to investigate the effects of delaying surgery on outcomes and cost in patients admitted with severe clostridium difficile infection (CDI)., Methods: The Vizient database was queried for patients with CDI who underwent open total abdominal colectomy (TAC). Patients operated on the day of admission were excluded. Chi-square, Fisher's exact, student T-test, and logistic regression were performed with α = 0.05., Results: Logistic regression analyses using days from admission to surgery (DATO), age, race, and gender demonstrated that increased DATO was associated with higher 30-day mortality (OR 1.022, 95% CI 1.001-1.044, p = 0.040), overall complications (OR 1.034, 95% CI 1.014-1.054, p = 0.001), and infectious complications (OR 1.040, 95% CI 1.018-1.062, p < 0.001) compared to age for all three outcomes. Total length of stay (LOS), intensive care unit LOS, and direct cost increased in conjunction with DATO (p < 0.001)., Conclusions: Early surgical intervention in appropriately selected patients should be considered when there is a high suspicion for prolonged non-operative treatment., (Copyright © 2019 Elsevier Inc. All rights reserved.)

Background: The economic impact of Clostridium difficile infection (CDI) on the healthcare system is significant. From May 2013 to May 2014, an outbreak of C. difficile ribotype 027 occurred in a Dutch tertiary care hospital, involving 72 patients. The primary aim of this study was to provide insight into the financial burden that this CDI outbreak brought upon this hospital., Methods: A retrospective analysis was performed to estimate the costs of a one-year-long C. difficile ribotype 027 outbreak. Medical charts were reviewed for patient data. In addition, all costs associated with the outbreak control measures were collected., Findings: The attributable costs of the whole outbreak were estimated to be €1,222,376. The main contributing factor was missed revenue due to increased length of stay of CDI patients and closure of beds to enable contact isolation of CDI patients (36%). A second important cost component was extra surveillance and activities of the Department of Medical Microbiology and Infection Control (25%)., Conclusion: To the authors' knowledge, this is the first study to provide insight into the attributable costs of CDI in an outbreak setting, and to delineate the major cost items. It is clear that the economic consequences of CDI are significant. The high costs associated with a CDI outbreak should help to justify the use of additional resources for CDI prevention and control., (Copyright © 2016 The Healthcare Infection Society. Published by Elsevier Ltd. All rights reserved.)

Background: Economic analysis of Clostridium difficile infection (CDI) should consider the incentives facing institutional decision-makers. To avoid overstating the financial benefits of infection prevention, fixed and variable costs should be distinguished., Aim: To quantify CDI fixed and variable costs in a tertiary referral hospital during August 2015., Methods: A micro-costing analysis estimated CDI costs per patient, including the additional costs of a CDI outbreak. Resource use was quantified after review of patient charts, pharmacy data, administrative resource input, and records of salary and cleaning/decontamination expenditure., Findings: The incremental cost of CDI was €75,680 (mean: €5,820 per patient) with key cost drivers being cleaning, pharmaceuticals, and length of stay (LOS). Additional LOS ranged from 1.75 to 22.55 days. For seven patients involved in a CDI outbreak, excluding the value of the 58 lost bed-days (€34,585); costs were 30% higher (€7,589 per patient). Therefore, total spending on CDI was €88,062 (mean: €6,773 across all patients). Potential savings from variable costs were €1,026 (17%) or €1,768 (26%) if outbreak costs were included. Investment in an antimicrobial pharmacist would require 47 CDI cases to be prevented annually. Prevention of 5%, 10% and 20% CDI would reduce attributable costs by €4,403, €8,806 and €17,612. Increasing the incremental LOS attributable to CDI to seven days per patient would have increased costs to €7,478 or €8,431 (if outbreak costs were included)., Conclusion: As much CDI costs are fixed, potential savings from infection prevention are limited. Future analysis must consider more effectively this distinction and its impact on institutional decision-making., (Copyright © 2017 The Healthcare Infection Society. Published by Elsevier Ltd. All rights reserved.)

There are no published data on the costs associated with investigating and managing toxicity from ipilimumab treatment in patients with metastatic melanoma. Patients treated with ipilimumab at The Royal Marsden Hospital between 1 September 2010 and 1 April 2013 were identified. Data on demographics, investigations and survival outcomes were collected. Patients with grade 3 or higher immune-related adverse events were identified, and costs of investigating and managing toxicities in them were calculated on the basis of standard National Health Service tariffs. Out of the 110 patients, 29 experienced grade 3/4 immune-related adverse events. The total cost of investigating and managing these patients was £140,680, or a median cost of £2860 per patient. Patients experiencing grade 3/4 toxicities had 1-, 2- and 3-year survival rates of 79, 59 and 46%, compared with 24, 17 and 15% in the group that did not experience significant toxicity (P<0.0005). The most common treatment-related toxicity identified was colitis. Two patients died from complications associated with ipilimumab colitis. The cost of ipilimumab toxicity is marginal in comparison with the total treatment cost. Patients treated with ipilimumab who develop significant toxicity have a higher than expected 1-, 2- and 3-year survival.

Study Design: Retrospective database analysis., Objective: To investigate incidence, comorbidities, and impact on health care resources of Clostridium difficile infection after lumbar spine surgery., Summary of Background Data: C. difficile colitis is reportedly increasing in hospitalized patients and can have a negative impact on patient outcomes. No data exist on estimates of C. difficile infection rates and its consequences on patient outcomes and health care resources among patients undergoing lumbar spine surgery., Methods: The Nationwide Inpatient Sample was examined from 2002 to 2011. Patients were included for study based on International Classification of Diseases, Ninth Revision, Clinical Modification, procedural codes for lumbar spine surgery for degenerative diagnoses. Baseline patient characteristics were determined and multivariable analyses assessed factors associated with increased incidence of C. difficile and risk of mortality., Results: The incidence of C. difficile infection in patients undergoing lumbar spine surgery is 0.11%. At baseline, patients infected with C. difficile were significantly older (65.4 yr vs. 58.9 yr, P<0.0001) and more likely to have diabetes with chronic complications, neurological complications, congestive heart failure, pulmonary disorders, coagulopathy, and renal failure. Lumbar fusion (P=0.0001) and lumbar fusion revision (P=0.0003) were associated with increased odds of postoperative infection. Small hospital size was associated with decreased odds (odds ratio [OR], 0.5; P<0.001), whereas urban hospitals were associated with increased odds (OR, 2.14; P<0.14) of acquiring infection. Uninsured (OR, 1.62; P<0.0001) and patients with Medicaid (OR, 1.33; P<0.0001) were associated with higher odds of acquiring postoperative infection. C. difficile increased hospital length of stay by 8 days (P<0.0001), hospital charges by 2-fold (P<0.0001), and inpatient mortality to 4% from 0.11% (P<0.0001)., Conclusion: C. difficile infection after lumbar spine surgery carries a 36.4-fold increase in mortality and costs approximately $10,658,646 per year to manage. These data suggest that great care should be taken to avoid C. difficile colitis in patients undergoing lumbar spine surgery because it is associated with longer hospital stays, greater overall costs, and increased inpatient mortality., Level of Evidence: 3.

Aim: Previous reports describing Clostridium difficile colitis (CDC) developing after the closure of a loop ileostomy suggest it is severe. In this study the incidence of CDC following ileostomy closure and its effect on the postoperative outcome have been studied., Method: Patients undergoing closure of loop ileostomy from 2004 to 2008 were analysed using the Nationwide Inpatient Sample. Patients who developed postoperative CDC (n = 217) were matched 10:1 to a propensity-score-matched cohort of patients without CDC (n = 13 245). Linear and logistic regression were used to examine the effect of CDC on hospital cost (US dollars), length of stay and mortality rates. Population resampling was performed using nearest neighbour bootstrapping to confirm the validity of the results., Results: The incidence of CDC following ileostomy closure was 16 per 1000 patients. The mean length of stay was 11.5 days longer among CDC patients (P < 0.0001), with a greater cost of hospitalization of US$21 240 (P < 0.0001). There was no difference in mortality between the cohorts., Conclusion: CDC following ileostomy closure is an uncommon, costly and morbid complication. Patients undergoing stoma closure are at high risk for an adverse outcome if they have CDC. Should it develop they should be aggressively treated., (Colorectal Disease © 2013 The Association of Coloproctology of Great Britain and Ireland.)

Background: Anemia is a common complication in inflammatory bowel disease patients. We postulate that the distribution of lesions in Crohn's disease is more likely than ulcerative colitis to lead to malabsorption as an additional cause of anemia. RDW, a simple and inexpensive test could be an additional differentiating test., Methods and Results: Retrospective review of 284 cases of which 156 cases were diagnosed with Crohn's disease and 128 cases were diagnosed with ulcerative colitis. There was a significant difference in the mean RDW between the Crohn's and the ulcerative colitis cases (14.9 vs. 14.3, P = .027)., Conclusions: We conclude there is a statistical significance between the two groups though this may not represent a clinically significant difference. From our analysis we conclude that RDW is statistically significant and with the implementation of a more rigorous study design and analysis of further data RDW may prove to be a clinically effective marker in differentiating Crohn's disease from ulcerative colitis.

Background: Clostridium difficile colitis is the predominant hospital-acquired gastrointestinal infection in the United States and has emerged as an important nosocomial cause of morbidity and death. Although several institutional studies have examined the effects of C. difficile on hospitalized patients, its nationwide impact on surgical patients has yet to be defined., Methods: To provide a national estimate of the burden of C. difficile, we performed a five-year retrospective analysis of the Agency for Healthcare Research and Quality's National Inpatient Sample Database, which represents a stratified 20% sample of hospitals in the United States, from 1999 to 2003. All surgical inpatient discharge data from 997 hospitals in 37 states were analyzed to determine the association of C. difficile infections with patient demographics, hospital characteristics, surgical procedure, length of stay (LOS), total charges, and in-hospital mortality rate. Univariate analysis was performed to identify any association between the presence of C. difficile infection and the outcome variables using chi-square contingency table analysis or the Student t-test following the exclusion of patients with other medical complications. Multivariate regression analysis was used to determine whether the presence of C. difficile infection was an independent predictor of increased LOS, total charges, and in-hospital mortality rate when controlling for surgery type, age, sex, payor, and hospital characteristics., Results: Clostridium difficile infection was reported as a discharge diagnosis for 8,113 (0.52%) of all 1,553,597 inpatients who had undergone a general surgical procedure. The incidence increased significantly in 2002 (34% higher than in 2001; p < 0.0001). The following patient and hospital characteristics were associated with the highest incidence of C. difficile infection (all p < 0.0001): Age > 64 years (0.95%); Medicare beneficiary status (0.94%); north-eastern hospital location (0.73%); and large (0.55%), urban (0.56%), or teaching hospital (0.61%). Patients undergoing an emergency operation were at higher risk than those having operations performed electively (0.8% vs. 0.3%; p < 0.0001). Colectomy, small-bowel resection, and gastric resection were associated with the highest risk of C. difficile infection (incidence after colectomy 1.11%; odds ratio [OR] 2.77, 95% confidence interval [CI] 2.65, 2.89, p < 0.0001; small-bowel resection 1.17%, OR 2.40, 95% CI 2.26, 2.54, p < 0.0001; gastric resection 1.02%, OR 2.26, 95% CI 2.03, 2.52, p < 0.0001). Patients undergoing cholecystectomy and appendectomy had the lowest risk of C. difficile infection (cholecystectomy 0.41%, OR 0.37, 95% CI 0.35, 0.39, p < 0.0001; appendectomy 0.20%, OR 0.45, 95% CI 0.42, 0.49, p < 0.0001). Multivariable analysis demonstrated that C. difficile was an independent predictor of LOS, which increased by 16.0 days (95% CI 15.6, 16.4 days; p < 0.0001) in the presence of infection. Total charges increased by $77,483 (95% CI $75,174, $79,793; p < 0.0001), and there was a 3.4-fold increase in the mortality rate (95% CI 3.02, 3.77; p < 0.0001) compared with patients who did not acquire C. difficile., Conclusions: Epidemiologic data suggest that the incidence of C. difficile infection is increasing in U.S. surgical patients and that the infection is most prevalent after emergency operations and among patients having intestinal tract resections. Infection with C. difficile is an independent predictor of increased LOS, total charges, and mortality rate after surgery and represents a considerable burden to both patients and hospitals. Preventing C. difficile infection offers a potentially significant improvement in patient outcomes, as well as a reduction in hospital costs and resource expenditures.

Health care costs are an increasingly important study outcome. Endoscopic practice consumes a large proportion of gastroenterology-related health expenses. An economic comparison of several currently accepted endoscopic practices was performed, ranking them according their cost-effectiveness, as viewed from the payer perspective. The cost-effectiveness of four currently accepted standard endoscopic practices was examined: small bowel biopsy to assess for celiac sprue, colonoscopic biopsy to assess for microscopic colitis, surveillance of Barrett's esophagus, and surveillance of chronic ulcerative colitis (CUC). Parameter estimates were obtained from the published literature. Charges were based on Medicare professional plus facility/technical fees. Performing colonoscopic biopsies for microscopic colitis in the setting of chronic nonbloody diarrhea was the most cost-effective practice ($2447/case detected), while small bowel biopsy for sprue in the setting of a patient with a first-degree relative with sprue ($3042/case detected) or with anemia ($2982/case detected) was also a cost-effective approach. Small bowel biopsy in the setting of diarrhea ($3900/case detected) was less cost-effective, while CUC surveillance ($14,119/detection of dysplasia) and performance of small bowel biopsy in an asymptomatic patient ($15,209/case detected) were clearly the least economical. As efforts are made to reduce the costs of health care, more attention will be focused on the cost-effectiveness of routine endoscopic practices. Although, our findings put endoscopic practices into economic perspective, future perspective, future prospective trials are required to confirm the validity of these findings.

Background: The authors determined the radiological misdiagnosis rate of primary epiploic appendagitis (PEA) and its impact on patient management and hospital resource use., Methods: A total of 660 computed tomography scans performed for clinically suspected diverticulitis (348 cases) or appendicitis (312 cases) were reviewed for cases meeting strict radiological criteria for PEA. Retrospective interpretations were compared with radiological reports. Medical records and hospital cost data were reviewed to estimate impact on patient management and resource use., Results: Eleven scans (2%) met criteria for PEA. Seven scans were initially misdiagnosed as diverticulitis (6 patients) or appendicitis (1 patient). All misdiagnosed patients were hospitalized (mean 4.3 days); 6 received antibiotic therapy. Average cost per patient was $4,117. Four scans were initially correctly diagnosed as PEA. One patient was hospitalized (1 day); none received antibiotic therapy. Average cost per patient was $1,205., Conclusions: Radiological misdiagnosis of PEA leads to unnecessary hospitalization, medical treatment, and overuse of hospital resources.

Clostridium difficile infection manifests as a self-limiting diarrhea, protracted colitis, or toxic pseudomembranous colitis. The incidence of C. difficile in a 514-bed community hospital was studied retrospectively; 155 patients of a total 18,262 admitted during 1988 were identified with C. difficile as an admitting or subsequent diagnosis. The method of diagnosis, mode of therapy, and related costs were analyzed. We have determined that education, with an emphasis on pathogenesis and prevention, is necessary to reduce the incidence in the hospital and the cost to the patient.

A multidisciplinary cost-containment program for promoting oral metronidazole in place of oral vancomycin as initial therapy of antibiotic-associated colitis (AAC) is described. The pharmacy department and the division of infectious diseases implemented the program in two phases. In the first phase, a one-year retrospective drug-use review in patients with AAC treated with oral vancomycin was conducted to determine the average cost of therapy per treatment course. In the second phase, the use of oral metronidazole instead of oral vancomycin for initial treatment of AAC was promoted using inservice-education programs and distribution of pocket-size brochures containing AAC treatment guidelines to medical staff. The pharmacy and therapeutics committee supported the program by endorsing metronidazole as the drug of choice for AAC and by distributing follow-up progress reports of the program to medical staff. Pharmacists on the nursing units were responsible for enforcing the program stipulations regarding vancomycin and metronidazole use and for collecting data on patient-specific drug use. Six months after implementation of the program, the average cost of drug therapy for AAC had decreased by 89%, from $343.24 per patient to $37.50 per patient. The projected annual savings resulting from the program was $38,829.02. All prescribing physicians and dispensing pharmacists complied 100% with the program stipulations regarding drug use. The multidisciplinary program described here was successful in promoting the use of oral metronidazole for initial therapy of AAC.