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Antoniou A, Marmai K, Qasem F, Cherry R, Jones PM, Singh S. Educating anesthesia residents to obtain and document informed consent for epidural labor analgesia: does simulation play a role? Int J Obstet Anesth 2017; 34:79-84. [PMID: 29398425 DOI: 10.1016/j.ijoa.2017.12.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 12/03/2017] [Accepted: 12/18/2017] [Indexed: 10/18/2022]
Abstract
BACKGROUND Informed consent is required before placing an epidural. At our hospital, teaching of residents about this is done informally at the bedside. This study aimed to assess the ability of anesthesia residents to acquire and retain knowledge required when seeking informed consent for epidural labor analgesia. It assessed how well this knowledge was translated to clinical ability, by assessing the verbal consent process during an interaction with a standardized patient. METHODS Twenty anesthesia residents were randomized to a 'didactic group' or a 'simulation group'. Each resident was presented with a written scenario and asked to document the informed consent process, as they normally would do (pre-test). The didactic group then had a presentation about informed consent, while the simulation group members interviewed a simulated patient, the scenarios focusing on different aspects of consent. All residents then read a scenario and documented their informed consent process (post-test). Six weeks later all residents interviewed a standardized patient in labor and documented the consent from this interaction (six-week test). RESULTS There was no significant difference in the baseline performance of the two groups. Both groups showed significant improvement in their written consent documentation at the immediate time point, the improvement in the didactic group being greater. The didactic group performed better at both the immediate time point and the six-week time point. CONCLUSIONS In this small study, a didactic teaching method proved better than simulation-based teaching in helping residents to gain knowledge needed to obtain informed consent for epidural labor analgesia.
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Affiliation(s)
- A Antoniou
- Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - K Marmai
- Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - F Qasem
- Schulich School of Medicine and Dentistry, Western University, London, ON, Canada.
| | - R Cherry
- Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - P M Jones
- Departments of Anesthesia & Perioperative Medicine and Epidemiology & Biostatistics, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - S Singh
- Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
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Doshi A, Ryu J, Thornburg CD, Hershey D, Cherry R, Milligan K, Rosenzweig S, Leonard S. Ataxia telangiectasia presenting as hyper IgM syndrome without neurologic signs. Ann Allergy Asthma Immunol 2017; 117:221-6. [PMID: 27613453 DOI: 10.1016/j.anai.2016.07.028] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Revised: 07/15/2016] [Accepted: 07/19/2016] [Indexed: 10/21/2022]
Affiliation(s)
- Ashmi Doshi
- Division of Allergy, Immunology, and Rheumatology, University of California, San Diego, Rady Children's Hospital, San Diego, California.
| | - Julie Ryu
- Division of Pulmonary Medicine, University of California, San Diego, Rady Children's Hospital, San Diego, California
| | - Courtney D Thornburg
- Division of Hematology and Oncology, University of California, San Diego, Rady Children's Hospital, San Diego, California
| | - Dan Hershey
- Division of Hospital Medicine, University of California, San Diego, Rady Children's Hospital, San Diego, California
| | - Rebecca Cherry
- Division of Gastroenterology Hepatology and Nutrition, University of California, San Diego, Rady Children's Hospital, San Diego, California
| | - Ki Milligan
- National Institutes of Health Primary Immunodeficiency Clinic, National Institute of Health, Bethesda, Maryland
| | - Sergio Rosenzweig
- National Institutes of Health Primary Immunodeficiency Clinic, National Institute of Health, Bethesda, Maryland
| | - Stephanie Leonard
- Division of Allergy, Immunology, and Rheumatology, University of California, San Diego, Rady Children's Hospital, San Diego, California
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Dellon ES, Katzka DA, Collins MH, Hamdani M, Gupta SK, Hirano I, Lewis J, Markowitz J, Nurko S, Wo J, Dellon E, Gunasekaran TS, Hirano I, Gupta S, Pasternak B, Ellis M, Peterson K, Falk G, Leung J, Prestridge L, Hart M, Leleiko N, Vaezi M, Cherry R, Katzka D, Friedenberg K, Assouline-Dayan Y, Mukkada V. Budesonide Oral Suspension Improves Symptomatic, Endoscopic, and Histologic Parameters Compared With Placebo in Patients With Eosinophilic Esophagitis. Gastroenterology 2017; 152:776-786.e5. [PMID: 27889574 DOI: 10.1053/j.gastro.2016.11.021] [Citation(s) in RCA: 145] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 11/14/2016] [Accepted: 11/16/2016] [Indexed: 12/11/2022]
Abstract
BACKGROUND & AIMS Pharmacologic treatment of eosinophilic esophagitis (EoE) is limited to off-label use of corticosteroids not optimized for esophageal delivery. We performed a randomized, controlled phase 2 trial to assess the ability of budesonide oral suspension (BOS), a novel muco-adherent topical steroid formulation, to reduce symptoms and esophageal eosinophilia in adolescents and adults with EoE. METHODS In this multicenter, randomized, double-blind, placebo-controlled, parallel-group trial, 93 EoE patients between the ages of 11 and 40 years with dysphagia and active esophageal eosinophilia were randomized to receive either BOS 2 mg or placebo twice daily for 12 weeks. Co-primary outcomes were change in Dysphagia Symptom Questionnaire (DSQ) score from baseline, and proportion of patients with a histologic response (≤6 eosinophils/high-power field) after treatment. Endoscopic severity scores and safety parameters were assessed. RESULTS At baseline, mean DSQ scores were 29.3 and 29.0, and mean peak eosinophil counts were 156 and 130 per hpf in the BOS and placebo groups, respectively. After treatment, DSQ scores were 15.0 and 21.5, and mean peak eosinophil counts were 39 and 113 per high-power field, respectively (P < .05 for all). For BOS vs placebo, change in DSQ score was -14.3 vs -7.5 (P = .0096), histologic response rates were 39% vs 3% (P < .0001), and change in endoscopic severity score was -3.8 vs 0.4 (P < .0001). Adverse events were similar between groups. CONCLUSIONS Treatment with BOS was well tolerated in adolescent and young adult patients with EoE and resulted in improvement in symptomatic, endoscopic, and histologic parameters using validated outcome instruments. ClinicalTrials.gov ID NCT01642212.
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Affiliation(s)
- Evan S Dellon
- Center for Esophageal Diseases and Swallowing, Division of Gastroenterology and Hepatology, Department of Medicine, University of North Carolina, Chapel Hill, North Carolina
| | - David A Katzka
- Division of Gastroenterology, Mayo Clinic, Rochester, Minnesota
| | - Margaret H Collins
- Department of Pathology and Laboratory Medicine, Cincinnati Children's Hospital Medical Center and University of Cincinnati College of Medicine, Cincinnati, Ohio
| | | | - Sandeep K Gupta
- Section of Pediatric Gastroenterology, Hepatology, and Nutrition, Indiana University School of Medicine, Riley Hospital for Children, Indianapolis, Indiana
| | - Ikuo Hirano
- Division of Gastroenterology and Hepatology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois.
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Kiaii B, Seijts G, Patel R, Ward C, Cherry R, Woodwark M. Inclusive Team Training for Cardiac Surgery: Combining Multiple Simulators. Can J Cardiol 2013. [DOI: 10.1016/j.cjca.2013.07.438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Walker RW, Lê KA, Davis J, Alderete TL, Cherry R, Lebel S, Goran MI. High rates of fructose malabsorption are associated with reduced liver fat in obese African Americans. J Am Coll Nutr 2013; 31:369-74. [PMID: 23529994 DOI: 10.1080/07315724.2012.10720445] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
OBJECTIVE African Americans commonly have lower liver fat accumulation than Hispanics, despite a similar propensity for obesity. Both ethnicities exhibit high consumption of fructose-containing beverages, which has been associated with high liver fat owing to the lipogenic properties of fructose. Therefore, differences in fructose absorption may be an important factor in regulating liver fat deposition. We hypothesized that fructose malabsorption in African Americans may reduce hepatic delivery of fructose, thus contributing to lower liver fat deposition compared to Hispanics. METHODS Thirty-seven obese young adults aged 21.4 ± 2.1 years (16 African American, 21 Hispanic) underwent a 3-hour hydrogen (H2) breath test to assess fructose malabsorption. Magnetic resonance imaging was used to determine visceral and subcutaneous adipose tissue volume and liver fat. Fructose malabsorption was expressed as an area under the curve for H2 production (H2 AUC). RESULTS Compared to Hispanics, African Americans had lower liver fat (5.4% ± 5.0% vs 8.9% ± 2.3%, p = 0.02) and a higher prevalence of fructose malabsorption (75.0% vs 42.9%; p = 0.05). Liver fat was negatively related to the extent of fructose malabsorption in African Americans (r = -0.53, p = 0.03), and this relationship was independent of the volumes of total fat and subcutaneous and visceral adipose tissue. There were no significant relationships between liver fat and fructose malabsorption in Hispanics. CONCLUSION African Americans have both a higher prevalence and a greater magnitude of fructose malabsorption than Hispanics. In African Americans, fructose malabsorption was negatively correlated with liver fat, which may be protective against fatty liver disease.
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Affiliation(s)
- Ryan W Walker
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California 90089, USA
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Walker RW, Lê KA, Davis J, Alderete TL, Cherry R, Lebel S, Goran MI. High rates of fructose malabsorption are associated with reduced liver fat in obese African Americans. J Am Coll Nutr 2013. [PMID: 23529994 DOI: 10.1080/07315724.10720445] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
OBJECTIVE African Americans commonly have lower liver fat accumulation than Hispanics, despite a similar propensity for obesity. Both ethnicities exhibit high consumption of fructose-containing beverages, which has been associated with high liver fat owing to the lipogenic properties of fructose. Therefore, differences in fructose absorption may be an important factor in regulating liver fat deposition. We hypothesized that fructose malabsorption in African Americans may reduce hepatic delivery of fructose, thus contributing to lower liver fat deposition compared to Hispanics. METHODS Thirty-seven obese young adults aged 21.4 ± 2.1 years (16 African American, 21 Hispanic) underwent a 3-hour hydrogen (H2) breath test to assess fructose malabsorption. Magnetic resonance imaging was used to determine visceral and subcutaneous adipose tissue volume and liver fat. Fructose malabsorption was expressed as an area under the curve for H2 production (H2 AUC). RESULTS Compared to Hispanics, African Americans had lower liver fat (5.4% ± 5.0% vs 8.9% ± 2.3%, p = 0.02) and a higher prevalence of fructose malabsorption (75.0% vs 42.9%; p = 0.05). Liver fat was negatively related to the extent of fructose malabsorption in African Americans (r = -0.53, p = 0.03), and this relationship was independent of the volumes of total fat and subcutaneous and visceral adipose tissue. There were no significant relationships between liver fat and fructose malabsorption in Hispanics. CONCLUSION African Americans have both a higher prevalence and a greater magnitude of fructose malabsorption than Hispanics. In African Americans, fructose malabsorption was negatively correlated with liver fat, which may be protective against fatty liver disease.
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Affiliation(s)
- Ryan W Walker
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California 90089, USA
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Selvan S, Price E, Collins D, Williamson L, Lahiri M, Teng GG, Lau TC, Mak A, Vasoo S, Lateef A, Boey ML, Koh DR, Lim A, Abdelhamid A, Mooney J, Walker A, Barton G, Scott DG, Watts R, Griffin SJ, Scott DL, Steer S, Wallis D, McHugh N, Bukhari M, Kitas G, Shah P, Cox M, Nye A, Jones P, John H, Erb N, Bamji A, Fitzpatrick R, Keary IP, Ellis B, Steer S, Scott DL, Farooq U, Xiong G, Hsiang chuang L, Zhang G, Perry L, King J, Goh L, Orourke K, Laversuch C, Perry L, Cherry R, Cockcroft A, Hutchinson D, Fitzpatrick R, Buchan S, Marks JL, Hull RG, Fletcher M, Ledingham JM. Health services research, economics and outcomes research: 52. Reducing New-to-Follow-up Ratios: No More Easy Solutions. Rheumatology (Oxford) 2011. [DOI: 10.1093/rheumatology/ker040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Waugh AWG, Garg S, Matic K, Gramlich L, Wong C, Sadowski DC, Millan M, Bailey R, Todoruk D, Cherry R, Teshima CW, Dieleman L, Fedorak RN. Maintenance of clinical benefit in Crohn's disease patients after discontinuation of infliximab: long-term follow-up of a single centre cohort. Aliment Pharmacol Ther 2010; 32:1129-34. [PMID: 20807218 DOI: 10.1111/j.1365-2036.2010.04446.x] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Tumour necrosis factor-blockade with infliximab has advanced the treatment of Crohn's disease. While infliximab is efficacious, it remains to be determined whether patients who enter clinical remission with an anti-tumour necrosis factor therapy can have their treatment stopped and retain the state of remission. AIM To assess in patients with Crohn's disease who obtained infliximab-induced remission, the proportion who relapsed after infliximab discontinuation. METHODS This longitudinal cohort study examined patients from a University-based IBD referral centre. Forty eight patients with Crohn's disease in full clinical remission and who then discontinued infliximab were followed up for up to 7 years. Crohn's disease relapse was defined as an intervention with Crohn's disease medication or surgery. RESULTS Kaplan-Meier analysis of the proportion of patients with sustained clinical benefit demonstrated that 50% relapsed within 477 days after infliximab discontinuance. In contrast, 35% of patients remained well, and without clinical relapse, up to the end of the nearly 7-year follow-up. CONCLUSIONS In patients with Crohn's disease with an infliximab-induced remission, stopping infliximab results in a predictable relapse in a majority of patients. Nevertheless, a small percentage of patients sustain a long-term remission.
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Affiliation(s)
- A W G Waugh
- Division of Gastroenterology, University of Alberta, Edmonton, AB, Canada
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Cherry R, Thomas DW. Infant feeding in special circumstances. Pediatr Rev 2008; 29:274-9; quiz 280. [PMID: 18676579 DOI: 10.1542/pir.29-8-274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- Rebecca Cherry
- Pediatric Gastroenterology and Nutrition, Children's Hospital Los Angeles, Calif., USA
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Puzanovova M, Rudzinski E, Shirkey KC, Cherry R, Acra S, Walker LS. Sex, psychosocial factors, and reported symptoms influence referral for esophagogastroduodenoscopy and biopsy results in children with chronic abdominal pain. J Pediatr Gastroenterol Nutr 2008; 47:54-60. [PMID: 18607269 PMCID: PMC3101503 DOI: 10.1097/mpg.0b013e31815a0a13] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
OBJECTIVES To identify symptoms and psychosocial factors that predicted referral for esophagogastroduodenoscopy (EGD) and discriminated between patients with positive versus negative biopsy findings. PATIENTS AND METHODS Children age 8 to 16 years old and parents completed validated questionnaires assessing gastrointestinal symptoms and psychosocial characteristics. Biopsy results of esophagus, stomach, and duodenum were reviewed. RESULTS From the total sample of 461 patients (mean age 11.87 years, 62% girls), 127 (28%) underwent EGD with biopsy (mean age 12.1 years, 57% girls). Upper abdominal gastrointestinal symptoms predicted EGD referral, and psychosocial characteristics did not. From the total of 127 patients who underwent EGD, complete biopsy results were available for 124 patients and were negative at all sites for 34.7% of patients (n = 43), equivocal for 20.2% (n = 25), and positive at 1 or more sites for 45.2% (n = 56). Boys were more likely than girls to have positive biopsy results (56.6% vs 36.6%, P < 0.03) because of the higher rate of positive esophageal biopsy results (47.2% vs 26.8%, P < 0.04). Among boys, vomiting (P < 0.02) and family stress (P < 0.04) predicted positive esophageal biopsy findings. Among girls, depressive symptoms predicted positive biopsy findings (P = 0.015). CONCLUSIONS Upper abdominal symptoms, sex, stress, and depressive symptoms predict positive EGD biopsy findings in patients with chronic abdominal pain. Research on mechanisms linking these factors to mucosal damage in the gut is warranted.
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Affiliation(s)
- Martina Puzanovova
- Department of Pediatrics, Division of Adolescent Medicine and Behavioral Science, Vanderbilt Children's Hospital, Nashville, TN 37232-9060, USA.
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Squyer E, Cherry R, Holliman CJ. Comparison of Trauma Mortality between Two Hospitals in Turkey to One Trauma Center in the United States. Acad Emerg Med 2007. [DOI: 10.1197/j.aem.2007.03.1092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Abstract
Participants were 65 parents of 6- to 18-month-old children presenting for a well child checkup between September 2002 and February 2003 to one of two private pediatric offices. The intervention was a 30-minute multimedia program, Play Nicely, viewed at home, which teaches the basics in childhood aggression management. One year after intervention, parents were asked, "Do you feel that the CD program was helpful in managing aggressive behavior in your child?" Most (65%) parents who watched the program agreed that it helped them manage aggression with their own child (strongly agree, 31%; agree, 34%; uncertain, 28%; disagree, 7%; and strongly disagree, 0%). An inexpensive, brief, independently viewed, multimedia program helps parents manage aggression in their young children as long as 1 year after receiving it from their pediatrician. An easily implemented intervention may contribute to violence prevention efforts.
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Affiliation(s)
- Seth J Scholer
- Department of Pediatrics, Vanderbilt University, Nashville, TN 37232-9225, USA
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Abstract
BACKGROUND The adverse effects of excess alcohol intake on cognitive function are well established, but the effect of moderate consumption is uncertain. METHODS Between 1995 and 2001, we evaluated cognitive function in 12,480 participants in the Nurses' Health Study who were 70 to 81 years old, with follow-up assessments in 11,102 two years later. The level of alcohol consumption was ascertained regularly beginning in 1980. We calculated multivariate-adjusted mean cognitive scores and multivariate-adjusted risks of cognitive impairment (defined as the lowest 10 percent of the scores) and a substantial decline in cognitive function over time (defined as a change that was in the worst 10 percent of the distribution of the decline). We also stratified analyses according to the apolipoprotein E genotype in a subgroup of women. RESULTS After multivariate adjustment, moderate drinkers (those who consumed less than 15.0 g of alcohol per day [about one drink]) had better mean cognitive scores than nondrinkers. Among moderate drinkers, as compared with nondrinkers, the relative risk of impairment was 0.77 on our test of general cognition (95 percent confidence interval, 0.67 to 0.88) and 0.81 on the basis of a global cognitive score combining the results of all tests (95 percent confidence interval, 0.70 to 0.93). The results for cognitive decline were similar; for example, on our test of general cognition, the relative risk of a substantial decline in performance over a two-year period was 0.85 (95 percent confidence interval, 0.74 to 0.98) among moderate drinkers, as compared with nondrinkers. There were no significant associations between higher levels of drinking (15.0 to 30.0 g per day) and the risk of cognitive impairment or decline. There were no significant differences in risks according to the beverage (e.g., wine or beer) and no interaction with the apolipoprotein E genotype. CONCLUSIONS Our data suggest that in women, up to one drink per day does not impair cognitive function and may actually decrease the risk of cognitive decline.
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Affiliation(s)
- Meir J Stampfer
- Channing Laboratory, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, USA
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Miglietta MA, Robb TV, Eachempati SR, Porter BO, Cherry R, Brause J, Barie PS. Current opinion regarding indications for emergency department thoracotomy. J Trauma 2001; 51:670-6. [PMID: 11586157 DOI: 10.1097/00005373-200110000-00008] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Emergency department thoracotomy (EDT) is a dramatic but rarely lifesaving intervention. Clinical variability regarding indications for EDT has yet to be quantified. Members of the Eastern and American Associations for the Surgery of Trauma were questioned by mail to evaluate which clinical and demographic factors influence the decision to perform EDT and whether physicians perform EDT in accordance with current practice guidelines. METHODS A single mailing of an anonymous survey was sent to 1,124 surgeons to collect institutional and physician demographics as well as indications for EDT on the basis of variable mechanisms of trauma, duration of arrest, and signs of life (SOL). Statistical analysis included the Pearson and linear-by-linear association chi(2) tests, independent samples t test, and univariate and multivariate analyses of variance; p values of < 0.05 were considered significant. RESULTS Completed surveys were received from 358 respondents. After 54 surveys were excluded that were incomplete, late, or from noneligible respondents, 304 surveys were analyzed. There were no significant differences in EDT indications among institutions of differing caseload volume, exposure to penetrating trauma, trauma level designation, American College of Surgeons verification status, or residency program affiliation. In addition, neither the respondent's position nor whether attendings versus residents performed the majority of EDTs influenced clinical decision-making. Performance criteria for EDT were liberal in comparison with established guidelines, especially for blunt trauma. The presence or recent loss of SOL influenced responses, but respondents varied greatly in their definition of SOL. CONCLUSION A lack of agreement exists regarding the indications for EDT in multiple clinical scenarios as well as in defining SOL. Indications for EDT were liberal, especially for blunt trauma-related indications, and were determined by clinical parameters, not by physician or institutional factors. Our results suggest that clinical practice is at variance with Advanced Trauma Life Support guidelines. We recommend that practice guidelines for EDT be established on the basis of a consensus definition of SOL to allow for a more uniform and selective approach to EDT.
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Affiliation(s)
- M A Miglietta
- Department of Surgery, St. Barnabas Hospital, New York, New York, USA
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Triantafilou K, Triantafilou M, Ladha S, Mackie A, Dedrick RL, Fernandez N, Cherry R. Fluorescence recovery after photobleaching reveals that LPS rapidly transfers from CD14 to hsp70 and hsp90 on the cell membrane. J Cell Sci 2001; 114:2535-45. [PMID: 11559761 DOI: 10.1242/jcs.114.13.2535] [Citation(s) in RCA: 79] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Although CD14 has been implicated in the immune recognition of bacterial lipopolysaccharide (LPS) from Gram-negative bacteria and also peptidoglycan (PGN) and lipoteichoic acid (LTA) from the outer cell wall of Gram-positive bacteria, accumulating evidence has suggested the possible existence of other functional receptor(s). In this study, we have used fluorescence recovery after photobleaching (FRAP) in order to get the first dynamic picture of the innate recognition of bacteria. We have found that the diffusion coefficient of CD14 remains unaffected after LPS ligation and that the diffusion coefficients of FITC-LPS and FITC-LTA bound to cells differ from that of CD14. Furthermore, FITC-LPS/LTA rapidly become immobile when bound to cells, suggesting that FITC-LPS/LTA must briefly associate with CD14 in the initial attachment process and rapidly move on to an immobile receptor or to a complex of receptors. Further FRAP experiments revealed that heat shock protein 70 (hsp70) and hsp90 are immobile in cell membranes, and antibodies against them were found to block the transfer of LPS to the immobile receptor and to inhibit interleukin 6 production upon LPS stimulation. These experiments indicated that LPS transfers from CD14 to hsp70 and hsp90, which may be part of an LPS/LTA multimeric receptor complex. Thus, hsps are implicated as mediators of the innate activation by bacteria.
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Affiliation(s)
- K Triantafilou
- University of Essex, Department of Biological Sciences, Central Campus, Wivenhoe Park, Colchester, CO4 3SQ, UK.
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Abstract
There are few reports in the literature of fat embolism syndrome after cementless total hip arthroplasty (THA). Most reported cases have occurred after fracture or cemented THA. We report a case of a healthy 51-year-old woman who underwent THA for osteoarthritis under spinal anesthesia. A press-fit cup and extensively porous-coated diaphyseal locking stem were used and inserted without cement. In the recovery room, the patient became hypoxemic and hypotensive and developed cortical blindness. The next day, a petechial rash was evident. Gurd's criteria for fat embolism syndrome were fulfilled. Her symptoms resolved over a 2-week period. Patients undergoing cementless THA are at risk for fat embolism syndrome, and this must be considered in the differential diagnosis for postoperative hypoxemia and neurologic deficits.
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Affiliation(s)
- J J Gelinas
- London Health Sciences Centre, Ontario, Canada
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Abstract
BACKGROUND We investigated associations between ambient pollution levels and cardiovascular function in a repeated measures study including 163 observations on twenty-one 53- to 87-year-old active Boston residents observed up to 12 times from June to September 1997. Particles with aerodynamic diameter </=2.5 microm (PM(2.5)) were measured continuously using a tapered element oscillating microbalance. METHODS AND RESULTS The protocol involved 25 minutes per week of continuous Holter ECG monitoring, including 5 minutes of rest, 5 minutes of standing, 5 minutes of exercise outdoors, 5 minutes of recovery, and 20 cycles of slow breathing. Heart rate variability (HRV) was assessed through time domain variables: the standard deviation of normal RR intervals (SDNN) and the square root of the mean of the squared differences between adjacent normal RR intervals (r-MSSD). Mean 4-hour PM(2.5) levels ranged from 3 to 49 microg/m(3); 1-hour ozone levels ranged from 1 to 77 ppb. In multivariate analyses, significantly less HRV (SDNN and r-MSSD) was associated with elevated PM(2.5). During slow breathing, a reduction in r-MSSD of 6.1 ms was associated with an interquartile (14.3 microg/m(3)) increase in PM(2.5) during the hour of and the 3 hours previous to the Holter session (P=0.006). During slow breathing, a multiple pollution model was associated with a reduction in r-MSSD of 5.4 ms (P=0.02) and 5.5 ms (P=0.03) for interquartile changes in PM(2.5) and ozone, respectively, resulting in a combined effect equivalent to a 33% reduction in the mean r-MSSD. CONCLUSIONS Particle and ozone exposure may decrease vagal tone, resulting in reduced HRV.
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Affiliation(s)
- D R Gold
- Channing Laboratory, Brigham and Women's Hospital and the Harvard Medical School, Boston, MA 02115-5804, USA.
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Rubinstein A, Cherry R, Hecht P, Idler C. Anticipatory strategy training: implications for the postlingually hearing-impaired adult. J Am Acad Audiol 2000; 11:52-5. [PMID: 10741357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
The present study was designed to determine if speech recognition performance will improve after subjects prepare for an unfamiliar communication situation as opposed to a familiar one. Forty-five normal-hearing subjects were divided into three groups: one trained using a well-known fairytale, one trained using an obscure fable, and one without training. Post-training, all groups performed similarly when tested on the familiar tale. When test material involved the unfamiliar fable, only the group trained on that material obtained significantly better scores than the other groups. Results support teaching clients that increasing their knowledge of upcoming unfamiliar events can improve subsequent speech recognition.
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Affiliation(s)
- A Rubinstein
- Department of Speech Communication Arts and Sciences, Brooklyn College, New York 11210, USA
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Abstract
The purpose of the study was to determine if subjects who were contacted by telephone periodically during the first 3 months following hearing-aid dispensing would report greater satisfaction, more frequent hearing aid use, and fewer complaints at one year postdispensing than subjects who were not contacted frequently. Subjects were 55 hearing-impaired adults who purchased aids, 27 of whom were contacted periodically by phone. Results revealed that frequent telephone contact in the period soon after dispensing does not appear to be an effective mass management tool in this population, although its value cannot be ruled out for some types of clients.
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Affiliation(s)
- R Cherry
- Brooklyn College, New York 11210, USA
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Chalmers J, Cherry R, Clark D, Kirwan D, Russell A, Zabriskie D, DiBiasio D. Biochemical engineering. VIII: Debate session. Ann N Y Acad Sci 1994; 745:270-6. [PMID: 7832517 DOI: 10.1111/j.1749-6632.1994.tb44381.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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Abstract
The purpose of this study was to determine whether periodic clinician-initiated telephone contact would reduce the number of unresolved complaints and increase satisfaction, use, and perceived benefit at 4 mo postfitting. Thirty subjects were contacted at 6, 9, and 12 wk postfitting to address questions and to encourage them to return to the clinic to resolve hearing aid-related problems. A control group of 30 subjects was encouraged to contact the center if problems arose at the time of dispensing only. All subjects were interviewed at 4 mo following receipt of the aids, and were sent the Hearing Handicap Inventory for the Elderly at the same time as well as at the time of dispensing. Results revealed a significant reduction in perceived handicap in general, but no significant difference between groups on measures of satisfaction, use, or benefit. There was no significant difference between groups in the number of unresolved complaints at the time of the interview; however, a trend toward fewer complaints in the experimental group was noted. A significantly greater number of complaints were raised for the first time in the control group than in the experimental group at the time of the interview, indicating that more problems remained unaddressed in the absence of clinician-initiated intervention. Therefore, the continued investigation of aggressive, and efficient, postfitting management schemes is warranted.
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Affiliation(s)
- R Cherry
- Department of Speech, Brooklyn College, New York
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Okine EK, Cherry R, Kennelly JJ. Glucose and amino acid transport and metabolism in flat duodenal sheets of dairy cattle at three stages of lactation. Comp Biochem Physiol Comp Physiol 1994; 107:719-26. [PMID: 7911415 DOI: 10.1016/0300-9629(94)90374-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The apparent duodenal transport and metabolism of amino acids and glucose in early-, mid-, late- and non-lactating dairy cows was investigated. Km values for glucose were not affected by stage of lactation. The capacity (Iscmax) of duodenal sheets to transport glucose was greater in lactating than in non-lactating cows. Lactating cows had a greater transport capability for amino acids than non-lactating cows. Duodenal sheets of early-lactation cows metabolized a greater percentage of absorbed glucose carbon to carbon dioxide than cows in mid-, late- and non-lactating cows.
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Affiliation(s)
- E K Okine
- Department of Animal Science, University of Alberta, Edmonton, Canada
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Sharma AK, Cherry R, Fielding JW. A randomised trial of selective or routine on-table cholangiography. Ann R Coll Surg Engl 1993; 75:245-8. [PMID: 8379625 PMCID: PMC2497947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
To assess the value of pre- and peroperative indicators of common bile duct (CBD) stones, 167 patients undergoing cholecystectomy were randomised to receive either routine (R) or selective (S) on-table cholangiography (OTC). In all, 81/84 patients in the R group and 22/78 in the S group had OTCs (P < 0.0001). In the R group 11/81 were positive (one false-positive) and in the S group 7/22 were positive (P < 0.05). CBD stones were present in 10/81 in the R group and 7/78 in the S group (P = NS). In the R group 8/10 and in the S group 5/7 had CBD stones diagnosed preoperatively by ultrasound scanning (USS), giving USS a positive predictive value (PPV) of 100% and a sensitivity of 71.4% in the S group. A raised preoperative alkaline phosphatase (ALP) was found in 1/10 in the R group and 1/7 in the S group (PPV = 33.3%, sensitivity = 14.3%). In the R group 1/10 and in the S group 1/7 (PPV = 25%, sensitivity = 14.3%) were found to have a dilated CBD during operation suggesting CBD stones. There have been no cases of symptomatic unsuspected retained CBD stones during follow-up to date. Our study has demonstrated that selective use of OTCs can be safely employed in open cholecystectomies. Over 85% (6/7 in the S group and 15/17 overall) of CBD stones can be diagnosed preoperatively by USS and liver function tests, with USS having the greatest PPV and sensitivity.
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Affiliation(s)
- A K Sharma
- Department of Surgery, Queen Elizabeth Hospital, Edgbaston, Birmingham
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Cherry R, Nielsen H, Reed E, Reemtsma K, Suciu-Foca N, Marboe CC. Vascular (humoral) rejection in human cardiac allograft biopsies: relation to circulating anti-HLA antibodies. J Heart Lung Transplant 1992; 11:24-9; discussion 30. [PMID: 1540608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Vascular or humoral rejection (as defined by linear deposits of immunoglobulin and complement in myocardial capillaries) and the presence of circulating lymphocytotoxic anti-HLA antibodies are each associated with reduced long-term graft or patient survival. The relationship between these two factors has not been determined. We used immunofluorescent techniques to study 46 cardiac biopsy specimens in 16 patients from 15 to 412 days after transplantation. Biopsy specimens were selected from the first 2 months, and at approximately 6 and 12 months after transplantation and did not include episodes of acute cellular rejection. Each specimen studied was compared to a serum sample drawn an average of 1.8 days (range, 0 to 9 days) from the time of biopsy to assay for circulating anti-HLA antibodies. Of the specimens obtained at or near a positive anti-HLA antibody test, 90% (27 of 30) were found to have linear deposits of immunoglobulin (not necessarily with complement) versus 75% (12 of 16) of specimens obtained at the time of a negative test. Twenty-one cases of vascular rejection were documented. Both immunoglobulin M and immunoglobulin G were deposited along with complement in 13 instances; immunoglobulin M and complement were deposited in eight cases; no case had only immunoglobulin G and complement. The presence of circulating anti-HLA antibody in the serum was associated with 14 of the 21 cases of vascular rejection. Linear deposits of immunoglobulin in the capillaries of myocardium were frequently observed when anti-HLA antibodies were present in the serum.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- R Cherry
- Department of Pathology, Columbia-Presbyterian Medical Center, New York, N.Y. 10032
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Abstract
Extracorporeal shock wave lithotripsy (ESWL*) has revolutionized management of most patients with urolithiasis. The effect of ESWL on patients with an aortic aneurysm is unknown and its safety is questioned by the absence of any case reports in the urological literature. A 68-year-old man with an abdominal aortic aneurysm underwent successful ESWL using the Medstone STS 1050 lithotriptor for right renal calculi. Continuous monitoring of the aneurysm was done using real-time ultrasound during the ESWL treatment. Careful preoperative evaluation in conjunction with appropriate intraoperative and postoperative monitoring makes ESWL management of patients with associated aortic aneurysm possible.
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Affiliation(s)
- R Thomas
- Department of Urology, Tulane University School of Medicine, New Orleans, Louisiana
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Abstract
The mucosal surface of the human foreskin from newborns shows a propensity to be colonized by pathogenic bacteria. Bacteria with P fimbriae and type 1 fimbriae adhere. However, hydrophobic interaction as well as electrostatic charge appear to be as important in this adherence as are fimbriae. Since bacterial adherence has been shown to precede urinary tract infection in female patients it is assumed that this adherence to the foreskin in male patients also may be necessary before initiation of the disease. The high incidence of urinary tract infection in uncircumcised male patients combined with these findings of adherence of pathogenic bacteria to the mucosal surface of the foreskin, thus, would seem to be related. Prevention of urinary tract infection and acute pyelonephritis in male neonates then may require either circumcision or the prevention of bacterial adherence to the human foreskin.
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Affiliation(s)
- E N Fussell
- Department of Urology, Tulane University School of Medicine, Delta Regional Primate Research Center, Covington, Louisiana
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Bayer ME, Morrison I, Cherry R. Measurement of the rotational behaviour of virus particles during adsorption to the host cell surface. FEBS Lett 1984; 175:329-32. [PMID: 6479348 DOI: 10.1016/0014-5793(84)80762-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The rotational diffusion of bacteriophage epsilon 15 was measured before and after virus adsorption to outer membrane vesicles of the host Salmonella anatum. The virus capsid was labeled with eosin isothiocyanate, and the decay of transient dichroism following dye excitation by pulses of plane-polarized light was measured. From the data, the rotational diffusion constant of the unadsorbed virion and its hydrodynamic diameter were estimated and found to be consistent with electron microscopic measurements of the capsid dimensions. Addition of outer membrane vesicles of S. anatum to the virus suspension revealed the immobilization of the virus particles on the membrane surface.
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Penman DT, Holland JC, Bahna GF, Morrow G, Schmale AH, Derogatis LR, Carnrike CL, Cherry R. Informed consent for investigational chemotherapy: patients' and physicians' perceptions. J Clin Oncol 1984; 2:849-55. [PMID: 6737023 DOI: 10.1200/jco.1984.2.7.849] [Citation(s) in RCA: 159] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
One hundred forty-four patients and 68 physicians at three cancer centers were studied for their perceptions of the consent procedure, in which they participated one to three weeks earlier, for chemotherapy by one of 65 investigational protocols. Patients recalled the procedure positively and relied heavily on physician's advice. They felt most physicians wanted them to accept; 29% felt their participation in the decision was not encouraged. Primary reasons for accepting were trust in the physician, belief the treatment would help, and fear the disease (viewed as highly serious) would get worse without it. Nearly a fourth did not recall the information given that treatment was investigational. The consent form played no role in decision-making for 69%. Physicians believed therapeutic benefits would exceed potential problems for most patients; they viewed 41% of the patients as less than eager for details of treatment, a third as avoiding the seriousness of the discussion, and a third as passive in decision-making. The perceptual set of both parties places inadvertent constraint on patients' autonomy in decision making.
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Cherry R. Independent living: a successful concept. Am Arch Rehabil Ther 1983; 31:8-11. [PMID: 10264932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/13/2023]
Abstract
The Independent Living Program at the Little Rock Veterans Administration Medical Center is providing an invaluable service to disabled veterans. Since activation 2 1/2 years ago, it was proven to be a strong, viable program which fills a previous gap in the discharge plans of the medically stable but physically disabled veteran. Without a successful transition into the community, many are susceptible to failure, which then results in hospital readmission or nursing home placement. These veterans, having suffered a severe disability, cannot be expected to return to the mainstream of life solely on the basis of having received medical treatment and therapy. The utilization of available resources and expertise of professionals, combined with the constructive input and determination of the veteran will significantly enhance the potential of a smooth transition into the community. The veteran's satisfaction and pleasure of living independently, despite his disability, is immeasurable. Independent living should be the ultimate goal for health care providers of the disabled.
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Abstract
Many people with sedentary jobs exercise strenuously on weekends. This report on a college football official shows what hidden dangers may lie in such sporadic activity.
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