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Background: Poor flow of patients into and out of the ICU can result in gridlock and bottlenecks that disrupt care and have a detrimental effect on patient safety and satisfaction, hospital efficiency, staff stress and morale, and revenue. Beginning in 2006, Cincinnati Children's Hospital Medical Center implemented a series of interventions to "smooth" patient flow through the system., Methods: Key activities included patient flow models based on surgical providers' predicted need for intensive care and predicted length of stay; scheduling the case and an ICU bed at the same time; capping and simulation models to identify the appropriate number of elective surgical cases to maximize occupancy without cancelling elective cases; and a morning huddle by the chief of staff, manager of patient services, and representatives from the operating room, pediatric ICUS, and anesthesia to confirm that day's plan and anticipate the next day's needs., Results: New elective surgical admissions to the pediatric ICU were restricted to a maximum of five cases per day. Diversion of patients to the cardiac ICU, keeping patients in the postanesthesia care unit longer than expected, and delaying or canceling cases are now rare events. Since implementation of the operations management interventions, there have been no cases when beds in the pediatric ICU were not available when needed for urgent medical or surgical use., Discussion: A system for smoothing flow, based on an advanced predictive model for need, occupancy, and length of stay, coupled with an active daily strategy for demand/capacity matching of resources and needs, allowed much better early planning, predictions, and capacity management, thereby ensuring that all patients are in suitable ICU environments.

Background: Surgical site infections (SSIs) remain a substantial cause of morbidity, mortality, increased length of stay, and increased hospital costs. Cincinnati Children's Hospital Medical Center (CCHMC) used reliability science to dramatically reduce the rate of surgical site infections., Methods: Key activities included the development and implementation of strategies to enhance the proportion of patients who receive timely antibiotic administration, a pediatric surgical site infection-prevention bundle, and procedure-specific pediatric surgical site infection-prevention bundles. Measures are presented in monthly reports and annotated control charts that are shared with the improvement team and organizational leadership and that are also posted on the hospital's patient safety intranet site., Results: The Class I and II SSI rate decreased from 1.5 per 100 procedure days at baseline to 0.54 per 100 procedure days, a 64% reduction. The process has remained stable (within control limits) since August 2007. There were 33 fewer surgical site infections in fiscal year (FY) 2006 than in FY 2005, and 21 fewer in FY 2007 than in FY 2006. By December 2007, 91% of eligible same-day surgery patients received antibiotics within 60 minutes before a procedure, and 94% of patients undergoing inpatient surgery received antibiotics within 60 minutes prior to incision., Discussion: Pediatric surgical patients can now expect a safer, more efficient experience with CCHMC's care system and reduced variation in care across CCHMC's surgeons and procedures. Sharing data on individual and collective provider performance was important in recruiting provider support. Examining data on any failures each day allowed assessment and correction, facilitating rapid-cycle improvement. Making the right thing to do the easy thing to do facilitated the behavior changes required.

Background: Biliary atresia is the commonest cause of pathological jaundice in infants and the leading indication for liver transplantation in children worldwide. The cause and pathogenesis remain largely unknown. Because of clinical heterogeneity and experimental difficulties in addressing molecular mechanisms underlying multifactorial disorders in human beings, we searched for genomic signatures of biliary atresia in affected infants., Methods: We generated pools of biotinylated cRNA from livers of 14 infants with biliary atresia and six with neonatal intrahepatic cholestasis (diseased controls) and hybridised the cRNA against oligonucleotide-based gene chips. Immunohistochemistry and reverse transcriptase (RT)-PCR were used to assess the specificity of the findings and functional commitment of lymphocytes in affected livers., Findings: Data filtering, to identify genes that are differentially expressed, and cluster analysis revealed a predominant and coordinated activation of immunity/inflammation genes within the livers of infants with biliary atresia. Most of the genes showed differential lymphocyte function, with activation of osteopontin, a regulator of cell-mediated (T-helper 1 [Th-1]) immunity in T-helper lymphocytes, and suppression of immunoglobulin genes in early stages of disease. These findings were associated with production of interferon gamma in 65% of infants with biliary atresia and no diseased control. However, histologically similar inflammatory infiltrates were present in livers of both groups, implying differential activation states of similar cell types., Interpretation: Livers of infants with biliary atresia have a coordinated activation of genes involved in lymphocyte differentiation. Among these genes, the overexpression of osteopontin and interferon gamma points to a potential role of Th-1-like cytokines in disease pathogenesis.

The technique of thoracoscopy has been performed on 49 occasions in 45 patients for the diagnosis or staging of intrathoracic tumors. The patients ranged from 8 months to 68 years old. Eight procedures were performed for pleural disease, 16 for mediastinal masses, 22 for parenchymal lesions, and 3 for intrathoracic staging. Seventeen patients had had previous invasive procedures performed without a pathological diagnosis being established. In 28 thoracoscopy procedures, a positive diagnosis for malignancy was obtained; in 6 instances, areas of unsuspected tumor involvement were identified. A correct diagnosis was obtained by thoracoscopy in 45 procedures for a 92% overall accuracy rate. There was no clinically significant morbidity in this series and no procedure-related mortality. Thoracoscopy, performed under stellate ganglion block and regional anesthesia, has proved to be a very attractive method of diagnosing intrathoracic neoplasia with very low morbidity.