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Wilson OWA, Colinear C, Guthrie D, Bopp M. Gender differences in college student physical activity, and campus recreational facility use, and comfort. J Am Coll Health 2022; 70:1315-1320. [PMID: 32877629 DOI: 10.1080/07448481.2020.1804388] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 06/08/2020] [Accepted: 07/26/2020] [Indexed: 06/11/2023]
Abstract
Objective: To examine disparities in physical activity, campus recreation facility (CRF) use, and CRF comfort of college students. Methods: Students (n = 319) responded to an online survey that assessed their demographics, physical activity behaviors, CRF use, comfort using CRFs, as well as reasons for discomfort, and strategies used to feel comfortable. Results: Women reported less muscle-strengthening activity, lower frequency of weight use and informal sport participation, and higher frequency of cardio and group exercise participation. Women also reported lower comfort using CRFs, particularly weights areas. The presence of men, a perceived lack of skill (competence), and self-consciousness/judgement emerged as dominant themes explaining women's discomfort. Disassociation using music, going with friends for social support, knowledge acquisition regarding equipment, and clothing selection emerged as strategies used to increase comfort. Conclusions: Meaningful differences in physical activity behaviors, facility use, and comfort using facilities emerged. Administrators should consider changing environments and/or policies to provide equitable physical activity opportunities.
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Affiliation(s)
- Oliver W A Wilson
- Department of Kinesiology, Pennsylvania State University, University Park, Pennsylvania, USA
| | - Crystal Colinear
- Department of Kinesiology, Pennsylvania State University, University Park, Pennsylvania, USA
| | - David Guthrie
- Department of Education Policy Studies, Pennsylvania State University, University Park, Pennsylvania, USA
| | - Melissa Bopp
- Department of Kinesiology, Pennsylvania State University, University Park, Pennsylvania, USA
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Eeles RA, Morden JP, Gore M, Mansi J, Glees J, Wenczl M, Williams C, Kitchener H, Osborne R, Guthrie D, Harper P, Bliss JM. Adjuvant Hormone Therapy May Improve Survival in Epithelial Ovarian Cancer: Results of the AHT Randomized Trial. J Clin Oncol 2015; 33:4138-44. [PMID: 26417001 DOI: 10.1200/jco.2015.60.9719] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE To assess the effects of adjuvant hormone therapy (AHT) on survival and disease outcome in women with epithelial ovarian cancer. PATIENTS AND METHODS Participants were premenopausal and postmenopausal women who had been diagnosed with epithelial ovarian cancer (any International Federation of Gynecology and Obstetrics stage) 9 or fewer months previously. Ineligible patients included those with deliberately preserved ovarian function, with a history of a hormone-dependent malignancy, or with any contraindications to hormone-replacement therapy. Patients were centrally randomly assigned in a 1:1 ratio to either AHT for 5 years after random assignment or no AHT (control). Main outcome measures were overall survival (OS), defined as time from random assignment to death (any cause), and relapse-free survival, defined as time from random assignment to relapse or death (any cause). Patients who continued, alive and relapse free, were censored at their last known follow-up. RESULTS A total of 150 patients (n = 75, AHT; n = 75, control) were randomly assigned from 1990 to 1995 from 19 centers in the United Kingdom, Spain, and Hungary; all patients were included in intention-to-treat analyses. The median follow-up in alive patients is currently 19.1 years. Of the 75 patients with AHT, 53 (71%) have died compared with 68 (91%) of 75 patients in the control group. OS was significantly improved in patients who were receiving AHT (hazard ratio, 0.63; 95% CI, 0.44 to 0.90; P = .011). A similar effect was seen for relapse-free survival (hazard ratio, 0.67; 95% CI, 0.47 to 0.97; P = .032). Effects remained after adjustment for known prognostic factors. CONCLUSION These results show that women who have severe menopausal symptoms after ovarian cancer treatment can safely take hormone-replacement therapy, and this may, in fact, infer benefits in terms of OS in addition to known advantages in terms of quality of life.
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Affiliation(s)
- Rosalind A Eeles
- Rosalind A. Eeles, James P. Morden, and Judith M. Bliss, The Institute of Cancer Research; Martin Gore, The Royal Marsden Hospital; Janine Mansi, St George's Hospital; Peter Harper, Guy's Hospital, London; John Glees, Epsom Hospital, Epsom, and The Royal Marsden Hospital, Sutton; Christopher Williams, Southampton General Hospital, Southampton; Henry Kitchener, Aberdeen Royal Infirmary, Aberdeen; Richard Osborne, Addenbrookes Hospital, Cambridge; David Guthrie, Derbyshire Royal Infirmary, Derby, United Kingdom; and Miklos Wenczl, Markusovszky Teaching Hospital, Szombathely, Hungary.
| | - James P Morden
- Rosalind A. Eeles, James P. Morden, and Judith M. Bliss, The Institute of Cancer Research; Martin Gore, The Royal Marsden Hospital; Janine Mansi, St George's Hospital; Peter Harper, Guy's Hospital, London; John Glees, Epsom Hospital, Epsom, and The Royal Marsden Hospital, Sutton; Christopher Williams, Southampton General Hospital, Southampton; Henry Kitchener, Aberdeen Royal Infirmary, Aberdeen; Richard Osborne, Addenbrookes Hospital, Cambridge; David Guthrie, Derbyshire Royal Infirmary, Derby, United Kingdom; and Miklos Wenczl, Markusovszky Teaching Hospital, Szombathely, Hungary
| | - Martin Gore
- Rosalind A. Eeles, James P. Morden, and Judith M. Bliss, The Institute of Cancer Research; Martin Gore, The Royal Marsden Hospital; Janine Mansi, St George's Hospital; Peter Harper, Guy's Hospital, London; John Glees, Epsom Hospital, Epsom, and The Royal Marsden Hospital, Sutton; Christopher Williams, Southampton General Hospital, Southampton; Henry Kitchener, Aberdeen Royal Infirmary, Aberdeen; Richard Osborne, Addenbrookes Hospital, Cambridge; David Guthrie, Derbyshire Royal Infirmary, Derby, United Kingdom; and Miklos Wenczl, Markusovszky Teaching Hospital, Szombathely, Hungary
| | - Janine Mansi
- Rosalind A. Eeles, James P. Morden, and Judith M. Bliss, The Institute of Cancer Research; Martin Gore, The Royal Marsden Hospital; Janine Mansi, St George's Hospital; Peter Harper, Guy's Hospital, London; John Glees, Epsom Hospital, Epsom, and The Royal Marsden Hospital, Sutton; Christopher Williams, Southampton General Hospital, Southampton; Henry Kitchener, Aberdeen Royal Infirmary, Aberdeen; Richard Osborne, Addenbrookes Hospital, Cambridge; David Guthrie, Derbyshire Royal Infirmary, Derby, United Kingdom; and Miklos Wenczl, Markusovszky Teaching Hospital, Szombathely, Hungary
| | - John Glees
- Rosalind A. Eeles, James P. Morden, and Judith M. Bliss, The Institute of Cancer Research; Martin Gore, The Royal Marsden Hospital; Janine Mansi, St George's Hospital; Peter Harper, Guy's Hospital, London; John Glees, Epsom Hospital, Epsom, and The Royal Marsden Hospital, Sutton; Christopher Williams, Southampton General Hospital, Southampton; Henry Kitchener, Aberdeen Royal Infirmary, Aberdeen; Richard Osborne, Addenbrookes Hospital, Cambridge; David Guthrie, Derbyshire Royal Infirmary, Derby, United Kingdom; and Miklos Wenczl, Markusovszky Teaching Hospital, Szombathely, Hungary
| | - Miklos Wenczl
- Rosalind A. Eeles, James P. Morden, and Judith M. Bliss, The Institute of Cancer Research; Martin Gore, The Royal Marsden Hospital; Janine Mansi, St George's Hospital; Peter Harper, Guy's Hospital, London; John Glees, Epsom Hospital, Epsom, and The Royal Marsden Hospital, Sutton; Christopher Williams, Southampton General Hospital, Southampton; Henry Kitchener, Aberdeen Royal Infirmary, Aberdeen; Richard Osborne, Addenbrookes Hospital, Cambridge; David Guthrie, Derbyshire Royal Infirmary, Derby, United Kingdom; and Miklos Wenczl, Markusovszky Teaching Hospital, Szombathely, Hungary
| | - Christopher Williams
- Rosalind A. Eeles, James P. Morden, and Judith M. Bliss, The Institute of Cancer Research; Martin Gore, The Royal Marsden Hospital; Janine Mansi, St George's Hospital; Peter Harper, Guy's Hospital, London; John Glees, Epsom Hospital, Epsom, and The Royal Marsden Hospital, Sutton; Christopher Williams, Southampton General Hospital, Southampton; Henry Kitchener, Aberdeen Royal Infirmary, Aberdeen; Richard Osborne, Addenbrookes Hospital, Cambridge; David Guthrie, Derbyshire Royal Infirmary, Derby, United Kingdom; and Miklos Wenczl, Markusovszky Teaching Hospital, Szombathely, Hungary
| | - Henry Kitchener
- Rosalind A. Eeles, James P. Morden, and Judith M. Bliss, The Institute of Cancer Research; Martin Gore, The Royal Marsden Hospital; Janine Mansi, St George's Hospital; Peter Harper, Guy's Hospital, London; John Glees, Epsom Hospital, Epsom, and The Royal Marsden Hospital, Sutton; Christopher Williams, Southampton General Hospital, Southampton; Henry Kitchener, Aberdeen Royal Infirmary, Aberdeen; Richard Osborne, Addenbrookes Hospital, Cambridge; David Guthrie, Derbyshire Royal Infirmary, Derby, United Kingdom; and Miklos Wenczl, Markusovszky Teaching Hospital, Szombathely, Hungary
| | - Richard Osborne
- Rosalind A. Eeles, James P. Morden, and Judith M. Bliss, The Institute of Cancer Research; Martin Gore, The Royal Marsden Hospital; Janine Mansi, St George's Hospital; Peter Harper, Guy's Hospital, London; John Glees, Epsom Hospital, Epsom, and The Royal Marsden Hospital, Sutton; Christopher Williams, Southampton General Hospital, Southampton; Henry Kitchener, Aberdeen Royal Infirmary, Aberdeen; Richard Osborne, Addenbrookes Hospital, Cambridge; David Guthrie, Derbyshire Royal Infirmary, Derby, United Kingdom; and Miklos Wenczl, Markusovszky Teaching Hospital, Szombathely, Hungary
| | - David Guthrie
- Rosalind A. Eeles, James P. Morden, and Judith M. Bliss, The Institute of Cancer Research; Martin Gore, The Royal Marsden Hospital; Janine Mansi, St George's Hospital; Peter Harper, Guy's Hospital, London; John Glees, Epsom Hospital, Epsom, and The Royal Marsden Hospital, Sutton; Christopher Williams, Southampton General Hospital, Southampton; Henry Kitchener, Aberdeen Royal Infirmary, Aberdeen; Richard Osborne, Addenbrookes Hospital, Cambridge; David Guthrie, Derbyshire Royal Infirmary, Derby, United Kingdom; and Miklos Wenczl, Markusovszky Teaching Hospital, Szombathely, Hungary
| | - Peter Harper
- Rosalind A. Eeles, James P. Morden, and Judith M. Bliss, The Institute of Cancer Research; Martin Gore, The Royal Marsden Hospital; Janine Mansi, St George's Hospital; Peter Harper, Guy's Hospital, London; John Glees, Epsom Hospital, Epsom, and The Royal Marsden Hospital, Sutton; Christopher Williams, Southampton General Hospital, Southampton; Henry Kitchener, Aberdeen Royal Infirmary, Aberdeen; Richard Osborne, Addenbrookes Hospital, Cambridge; David Guthrie, Derbyshire Royal Infirmary, Derby, United Kingdom; and Miklos Wenczl, Markusovszky Teaching Hospital, Szombathely, Hungary
| | - Judith M Bliss
- Rosalind A. Eeles, James P. Morden, and Judith M. Bliss, The Institute of Cancer Research; Martin Gore, The Royal Marsden Hospital; Janine Mansi, St George's Hospital; Peter Harper, Guy's Hospital, London; John Glees, Epsom Hospital, Epsom, and The Royal Marsden Hospital, Sutton; Christopher Williams, Southampton General Hospital, Southampton; Henry Kitchener, Aberdeen Royal Infirmary, Aberdeen; Richard Osborne, Addenbrookes Hospital, Cambridge; David Guthrie, Derbyshire Royal Infirmary, Derby, United Kingdom; and Miklos Wenczl, Markusovszky Teaching Hospital, Szombathely, Hungary
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Guthrie D. "Intensive therapy for stroke is humane and cost effective". Nurs Times 2014; 110:11. [PMID: 24597201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
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Guthrie D, Peacock ZS, Sadow P, Dodson TB, August M. Preoperative Incisional and Intraoperative Frozen Section Biopsy Techniques Have Comparable Accuracy in the Diagnosis of Benign Intraosseous Jaw Pathology. J Oral Maxillofac Surg 2012; 70:2566-72. [DOI: 10.1016/j.joms.2011.11.023] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2011] [Revised: 11/22/2011] [Accepted: 11/23/2011] [Indexed: 11/25/2022]
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Guthrie D, Peacock Z, Dodson T, August M. Accuracy of Presurgical Open Biopsy and Intraoperative Frozen Section Biopsy in the Diagnosis of Maxillofacial Lesions. J Oral Maxillofac Surg 2011. [DOI: 10.1016/j.joms.2011.06.034] [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: 11/25/2022]
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Rustin GJS, van der Burg MEL, Griffin CL, Guthrie D, Lamont A, Jayson GC, Kristensen G, Mediola C, Coens C, Qian W, Parmar MKB, Swart AM. Early versus delayed treatment of relapsed ovarian cancer (MRC OV05/EORTC 55955): a randomised trial. Lancet 2010; 376:1155-63. [PMID: 20888993 DOI: 10.1016/s0140-6736(10)61268-8] [Citation(s) in RCA: 350] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
BACKGROUND Serum CA125 concentration often rises several months before clinical or symptomatic relapse in women with ovarian cancer. In the MRC OV05/EORTC 55955 collaborative trial, we aimed to establish the benefits of early treatment on the basis of increased CA125 concentrations compared with delayed treatment on the basis of clinical recurrence. METHODS Women with ovarian cancer in complete remission after first-line platinum-based chemotherapy and a normal CA125 concentration were registered for this randomised controlled trial. Clinical examination and CA125 measurement were done every 3 months. Patients and investigators were masked to CA125 results, which were monitored by coordinating centres. If CA125 concentration exceeded twice the upper limit of normal, patients were randomly assigned (1:1) by minimisation to early or delayed chemotherapy. Patients and clinical sites were informed of allocation to early treatment, and treatment was started as soon as possible within 28 days of the increased CA125 measurement. Patients assigned to delayed treatment continued masked CA125 measurements, with treatment commencing at clinical or symptomatic relapse. All patients were treated according to standard local practice. The primary outcome was overall survival. Analysis was by intention to treat. This study is registered, ISRCTN87786644. FINDINGS 1442 patients were registered for the trial, of whom 529 were randomly assigned to treatment groups and were included in our analysis (265 early, 264 delayed). With a median follow-up of 56·9 months (IQR 37·4-81·8) from randomisation and 370 deaths (186 early, 184 delayed), there was no evidence of a difference in overall survival between early and delayed treatment (HR 0·98, 95% CI 0·80-1·20, p=0·85). Median survival from randomisation was 25·7 months (95% CI 23·0-27·9) for patients on early treatment and 27·1 months (22·8-30·9) for those on delayed treatment. INTERPRETATION Our findings showed no evidence of a survival benefit with early treatment of relapse on the basis of a raised CA125 concentration alone, and therefore the value of routine measurement of CA125 in the follow-up of patients with ovarian cancer who attain a complete response after first-line treatment is not proven. FUNDING UK Medical Research Council and the European Organisation for Research and Treatment of Cancer.
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Guthrie D, Peckham J, Read L. Clinical psychology in rural general practice: Some initial observations. CLIN PSYCHOL-UK 2010. [DOI: 10.1080/13284200310001707391] [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: 10/26/2022]
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Affiliation(s)
- David Guthrie
- Center for Educational Policy and Research; American Dental Education Association and is a third-year predoctoral dental student; Harvard School of Dental Medicine
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Guthrie D, Valachovic RW, Brown LJ. The impact of new dental schools on the dental workforce through 2022. J Dent Educ 2009; 73:1353-1360. [PMID: 20007489] [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: 05/28/2023]
Abstract
Following a wave of dental school closures from 1986 to 2001 and a perceived shortage of dentists, three new dental schools were established between 1997 and 2003, and eight more are in various stages of planning and development to open over the next decade. Conditions are moving rapidly, and several institutions have stated intentions to open new dental schools since this analysis. This article presents a supply-side analysis of the impact of the new schools on the effective dentist to population ratio, taking into account changes in graduation rates, retirement rate, population growth, productivity, and gender ratio of the profession. Demand-side factors including utilization, per patient expenditures, and case mix are addressed, as well as the implications of these changes on access to care and the future of the profession. Given approximately ten new schools, by 2022, an additional 8,233 graduates will have joined the workforce, or approximately three dentists per 100,000 people. Effective dentist to population ratios vary greatly depending on all of the factors addressed. Changes in productivity influence the effective ratio most significantly. Most probable scenarios for the dental workforce suggest a stable dentist to population ratio at minimum, with an increase likely given recent productivity changes. The increase in dentists will not noticeably improve access to care for low-income and rural populations absent additional public funding to support demand for these populations and concurrent measures to effect even distribution of dentists throughout the country.
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Affiliation(s)
- David Guthrie
- Harvard School of Dental Medicine, 188 Longwood Avenue, Boston, MA 02115, USA.
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Abstract
PURPOSE Interstitial cystitis/painful bladder syndrome and chronic prostatitis/chronic pelvic pain syndrome, collectively renamed urological chronic pelvic pain syndromes, are a group of medically unexplained physical symptoms. Diagnosis depends on excluding all possible causes of pain and treatment targets symptoms alone. An emerging body of research implicates systemic factors in the pathogenesis of urological chronic pelvic pain syndromes including abnormal sympathetic nervous system and hypothalamic-pituitary-adrenal axis activity. Several new lines of evidence also suggest a genetic component to disease pathogenesis. Despite ongoing efforts, neither effective treatments nor mechanistic understanding of the pathogenesis of urological chronic pelvic pain syndromes exists. MATERIALS AND METHODS We performed a survey of the available literature on urological chronic pelvic pain syndromes. We reviewed recent research implicating genetic mechanisms in the development of urological chronic pelvic pain syndromes to find a systematic approach of rigorous phenotyping on which to base further investigation of these chronic pain conditions. RESULTS Three studies revealed identifying genetic risk factors for disease. In addition, increasing lines of evidence of familial clustering and twin studies suggested a genetic basis for disease. CONCLUSIONS Given the success of genome-wide association studies in quantifying genetic risk in several polygenic diseases, we suggest a similar genome-wide approach to the study of urological chronic pelvic pain syndromes. As genome-wide association studies depend on carefully defined patient populations, we provide an outline for a thorough and multidisciplinary characterization of patient phenotypes. Although urological chronic pelvic pain syndromes continue to mystify clinicians and researchers alike, we believe the powerful new methods of unbiased interrogation of the whole genome based on systematically grouped patients possess enormous potential for progress in treating and understanding this disease.
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Affiliation(s)
- Jordan Dimitrakov
- George O'Brien Center for Urological Diseases Research, Harvard Medical School and Children's Hospital Boston, Boston, Massachusetts, USA
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Briggs C, Guthrie D, Hyde K, Mackie I, Parker N, Popek M, Porter N, Stephens C. Guidelines for point-of-care testing: haematology. Br J Haematol 2008; 142:904-15. [DOI: 10.1111/j.1365-2141.2008.07274.x] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Guthrie D, McIntosh M, Callaly T, Trauer T, Coombs T. Consumer attitudes towards the use of routine outcome measures in a public mental health service: a consumer-driven study. Int J Ment Health Nurs 2008; 17:92-7. [PMID: 18307597 DOI: 10.1111/j.1447-0349.2008.00516.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [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: 11/29/2022]
Abstract
In this study conducted by consumer consultants, 50 consumers who have a Barwon Health case manager (the majority of whom were nurses) were interviewed using a structured questionnaire to ascertain their attitudes towards the routine use of outcome measures. Forty participants (80% of those interviewed) reported they had been offered the Behaviour and Symptom Identification Scale (BASIS-32) to complete in routine care by their case managers and of those, 95% (n = 38) completed it. On those who completed the BASIS-32, 42% said their case manager had explained what the BASIS-32 would be used for, 45% said that the case manager had discussed their responses with them, 76% stated that completing the BASIS-32 had helped the case manager to understand them better and 66% believed that completing the BASIS-32 had led to them receiving better care. Only 30% of the group interviewed were aware that their case manager regularly completed a Health of the Nation Outcome Scales and Life Skills Profile. Feedback about the process of completing the BASIS-32 was obtained as well as suggestions on how the process may be improved. The results indicate that consumers see the benefit of routine outcome measurement and believe it leads to improved care. More information about outcome measures, including the clinician-rated outcome measures, needs to be provided to consumers if they are to be engaged constructively in this exercise.
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Affiliation(s)
- David Guthrie
- Barwon Health: Community and Mental Health, Geelong, Victoria, Australia.
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Powell A, Kerr D, Guthrie D, Wall R. Lactation induction as a predictor of post-parturition transgene expression in bovine milk. J DAIRY RES 2007; 74:247-54. [PMID: 17451624 DOI: 10.1017/s0022029907002580] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2006] [Accepted: 12/12/2006] [Indexed: 11/07/2022]
Abstract
The bovine's long generation interval results in a delay of several years when evaluating mammary specific transgenes in genetically engineered animals. This experiment was conducted to evaluate the feasibility of reducing that waiting period. Lactation was induced in prepubertal bull and heifer calves as a means of predicting transgene behaviour during subsequent post-parturient lactations in the heifers themselves, and in daughters sired by the bulls. The animals carry a lactation-specific transgene encoding lysostaphin, an antimicrobial protein that kills Staphlococcus aureus, a mastitis-causing pathogen. Oestrogen, progesterone and dexamethasone were administered as previously described (Ball et al. 2000) to nine heifers (five transgenics) ranging in weight from 80 to 145 kg. Eight bull calves (seven transgenics) weighing 81-178 kg received additional oestrogen and progesterone injection prior to dexamethasone treatment. All nine heifers responded to the milk induction scheme yielding between 19 ml and 4.5 l over 5 d. Milk volume from the four responding males (30 microl to 2.5 ml) was significantly less than that harvested from females (P=0.025). Only bull calves >117 kg had a positive response. Lysostaphin was detected in all transgenic prepubertal heifers and in two transgenic prepubertal bull calves induced. A positive relationship was observed between lysostaphin's stapholytic activity in the two types of lactations (r2=0.907, P<0.001) thus providing a useful means of predicting subsequent lysostaphin production in post-partum milk.
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Affiliation(s)
- Ann Powell
- Agricultural Research Service, United States Department of Agriculture, Beltsville, MD, USA
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Guthrie D, Long J, Welch G, Grimm N. 304 TREATMENT OF BOAR SPERM WITH RESPIRATION INHIBITOR MENADIONE: EFFECTS ON MOTILITY, REACTIVE OXYGEN SPECIES (ROS), MITOCHONDRIAL TRANSMEMBRANE POTENTIAL (MMP), AND ATP CONTENT. Reprod Fertil Dev 2006. [DOI: 10.1071/rdv18n2ab304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Previously we found that live, fresh or thawed boar sperm show little tendency to accumulate ROS spontaneously, but live sperm accumulated ROS during a 30-min incubation with xanthine and xanthine oxidase and showed marked reduction in motility. High mitochondrial transmembrane potential (MMP) is required to drive the F0/F1 ATPase responsible for producing ATP in most cell types, and ATP is required for sperm motility. This experiment was conducted to investigate the effects of menadione (disrupter of electron transport at Complex I) on sperm motility, MMP, and ATP content. The incidence of cells with high MMP was determined by measuring the fluorescence of JC-1 aggregates bound to the inner mitochondrial membrane using flow cytometry. Computer-assisted motion analysis was conducted using the IVOS version 12 (Hamilton Thorne Research, Beverly, MA, USA), and ATP (pmoles/106 sperm) was determined using the luciferin-luciferase assay. Sperm from six boars were individually Percoll washed to eliminate seminal plasma and incubated at 40 � 106/mL with 0, 1, 10, or 30 �M menadione for 5, 30, 60, and 120 min at 38�C in a modified Tyrode's medium containing 0.1% polyvinyl alcohol with no bicarbonate or BSA. The formation of ROS was confirmed by measuring the red fluorescence developed by the oxidation of hydroethidine to ethidium using flow cytometry. Whereas the basal level of ethidium fluorescence in the absence of menadione was low (2% ethidium-positive cells at 5 min), 10 and 30 �M menadione increased (P < 0.05) the percentage of ethidium-positive cells to 47 and 87%, respectively, at 30 min. Sperm motility did not decrease significantly (79-83%) during the 120 min incubation with no menadione, but menadione caused a significant dose-related decrease (P < 0.05) over time, with 10 and 30 �M menadione decreasing motility to 60 and 40%, 51 and 7%, and 10 and 1% at 30, 60, and 120 min, respectively. JC-1 aggregate fluorescence intensity decreased (P < 0.05) by 45-60% in a dose-related fashion at 120 min compared to the same doses at 5 min. Sperm viability, as measured by number of propidium iodide negative cells, averaged 93.6% during the incubation and was not significantly affected by treatment. The effect of menadione on ATP content was much less than that on motility or JC-1 fluorescence intensity. Mean ATP content averaged 63 pmoles through 60 min at all menadione doses; at 120 min only 30 �M menadione decreased (P < 0.05) ATP to 43 pmoles, compared to all other treatments. Menadione caused an increase in ROS formation and a decline in MMP, which suggested uncoupling of the respiratory chain and oxidative phosphorylation. However, sperm ATP content was not highly correlated with motility. This suggests that ATP content was maintained by the activity of other intermediary metabolism pathways. The reduction in motility may have been due to a ROS induced lesion in ATP utilization or in the contractile apparatus of the cell.
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Guthrie D, Yucha C. Urinary concentration and dilution. Nephrol Nurs J 2004; 31:297-301; quiz 302-3. [PMID: 15303425] [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: 04/30/2023]
Abstract
Water constitutes approximately 60% of the healthy adult human body. Water balance in the body is regulated by the kidneys, which excrete either concentrated or dilute urine in accordance with physiological needs. This article describes the mechanisms by which the kidneys vary water excretion independent of excretion of other physiological important substrates such as sodium, potassium, hydrogen, and urea. These mechanisms involve the loops of Henle, the distal tubules, the collecting ducts, and the vasa recta, and are under the control of vasopressin (antidiuretic hormone).
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Affiliation(s)
- David Guthrie
- University of Florida College of Nursing, Gainesville, FL, USA
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Yucha C, Guthrie D. Renal homeostasis of calcium. Nephrol Nurs J 2003; 30:621-6; quiz 627-8. [PMID: 14730782] [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: 04/28/2023]
Abstract
Calcium is critical for many metabolic functions. While 99% of body calcium is found as part of the structure of bone and teeth, 1% found in plasma and body cells is crucial for such functions as blood clotting, nerve impulse conduction, and muscle contraction. The homeostasis of calcium is complex because the gastrointestinal tract, the bones, and the kidneys all affect calcium balance. This manuscript reviews the functions, homeostasis, and renal handling and regulation of calcium. The major sites of renal tubular reabsorption and the related cellular mechanisms are described.
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Affiliation(s)
- Carolyn Yucha
- University of Florida College of Nursing, Gainesville, FL, USA
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Curran DP, Amatore M, Guthrie D, Campbell M, Go E, Luo Z. Synthesis and reactions of fluorous carbobenzyloxy (FCbz) derivatives of alpha-amino acids. J Org Chem 2003; 68:4643-7. [PMID: 12790566 DOI: 10.1021/jo0344283] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.0] [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: 11/29/2022]
Abstract
Fluorous carbobenzyloxy ((F)Cbz) reagents RfCH(2)CH(2)C(6)H(4)CH(2)OC(O)OSu (where Su is succinimidoyl and Rf is C(6)F(13) and C(8)F(17)) have been used to make (F)Cbz derivatives of 18 of the 20 natural amino acids. The potential utility of this new family of reagents in both standard fluorous synthesis with spe separation and fluorous quasiracemic synthesis is illustrated with representative reactions of the (F)Cbz-Phe derivatives.
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Affiliation(s)
- Dennis P Curran
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA.
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Trimbos JB, Parmar M, Vergote I, Guthrie D, Bolis G, Colombo N, Vermorken JB, Torri V, Mangioni C, Pecorelli S, Lissoni A, Swart AM. International Collaborative Ovarian Neoplasm trial 1 and Adjuvant ChemoTherapy In Ovarian Neoplasm trial: two parallel randomized phase III trials of adjuvant chemotherapy in patients with early-stage ovarian carcinoma. J Natl Cancer Inst 2003. [PMID: 12529343 DOI: 10.1093/jnci/95.2.113] [Citation(s) in RCA: 499] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Adjuvant chemotherapy has been suggested as a possible strategy to improve survival in women with early-stage ovarian cancer; however, all randomized studies to date have been too small to answer this question reliably. METHODS We performed a preplanned combined analysis of two parallel randomized clinical trials (International Collaborative Ovarian Neoplasm 1 [ICON1] and Adjuvant ChemoTherapy In Ovarian Neoplasm [ACTION]) in early-stage ovarian cancer that compared platinum-based adjuvant chemotherapy with observation following surgery. Between November 1990 and January 2000, 925 patients (477 in ICON1 and 448 in ACTION) who had surgery for early-stage ovarian cancer were randomly assigned to receive platinum-based adjuvant chemotherapy (n = 465) or observation (n = 460) until chemotherapy was indicated. Kaplan-Meier analysis was used to compare overall and recurrence-free survival by treatment allocation. In subgroup analyses of pretreatment age, tumor stage, histologic cell type, and differentiation grade, the differences in relative size of effect were tested using a chi-square test for interaction or a chi-square test for trend. All tests of statistical significance were two-sided. RESULTS After a median follow-up of over 4 years, 245 patients had died or had a recurrence (ICON1: 133, ACTION: 112). Overall survival at 5 years was 82% in the chemotherapy arm and 74% in the observation arm (difference = 8% [95% confidence interval (CI) = 2% to 12%]; hazard ratio [HR] = 0.67, 95% CI = 0.50 to 0.90; P =.008). Recurrence-free survival at 5 years was also better in the adjuvant chemotherapy arm than it was in the observation arm (76% versus 65%, difference = 11% [95% CI = 5% to 16%]; HR = 0.64, 95% CI = 0.50 to 0.82; P =.001). Subgroup analyses provided no evidence of a difference in the size of effect of chemotherapy on survival in any pretreatment subcategory. CONCLUSIONS Platinum-based adjuvant chemotherapy improved overall survival and recurrence-free survival at 5 years in this combined group of patients with early-stage ovarian cancer defined by the inclusion criteria of the ICON1 and ACTION trials.
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Affiliation(s)
- J Baptist Trimbos
- Department of Gynecology, Leiden University Medical Center, The Netherlands.
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Colombo N, Guthrie D, Chiari S, Parmar M, Qian W, Swart AM, Torri V, Williams C, Lissoni A, Bonazzi C. International Collaborative Ovarian Neoplasm trial 1: a randomized trial of adjuvant chemotherapy in women with early-stage ovarian cancer. J Natl Cancer Inst 2003; 95:125-32. [PMID: 12529345 DOI: 10.1093/jnci/95.2.125] [Citation(s) in RCA: 212] [Impact Index Per Article: 10.1] [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: 01/12/2023] Open
Abstract
BACKGROUND The question of whether platinum-based adjuvant chemotherapy can improve outcomes in patients with early-stage epithelial ovarian cancer is an important one. We carried out a multicenter, open randomized trial to determine whether adjuvant chemotherapy would improve overall survival and prolong recurrence-free survival in women with early-stage epithelial ovarian cancer. METHODS Between August 1991 and January 2000, 477 patients in 84 centers in five countries were randomly assigned to receive either adjuvant chemotherapy immediately following surgery (n = 241) or no adjuvant chemotherapy until clinically indicated (n = 236). Kaplan-Meier curves of overall survival and recurrence-free survival were compared using the Mantel-Cox version of the log-rank test. All statistical tests were two-sided. RESULTS Women who received adjuvant chemotherapy had better overall survival than women who did not (hazard ratio [HR] of 0.66, 95% confidence interval [CI] = 0.45 to 0.97; P =.03). These results translate into 5-year survival figures of 70% for women who did not receive adjuvant chemotherapy and 79% for women who did receive adjuvant chemotherapy, a difference of 9% (95% CI = 1% to 15%). Adjuvant chemotherapy also improved recurrence-free survival (HR = 0.65; 95% CI = 0.46 to 0.91; P =.01). These results translate into 5-year recurrence-free survival figures of 62% for women who did not receive adjuvant chemotherapy and 73% for women who did receive adjuvant chemotherapy, a difference of 11% (95% CI = 3% to 18%). CONCLUSION These results suggest that platinum-based adjuvant chemotherapy improves survival and delays recurrence in patients with early-stage ovarian cancer.
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Abstract
The majority of anatomic and neuroimaging studies in adult-onset schizophrenia demonstrate decreased volumes of the medial temporal lobe when compared with findings in normal individuals. The goal of this study was to investigate the hypothesis that subjects with childhood-onset schizophrenia would show decreased volumes of the medial temporal lobe when compared to normal children. Thirteen children meeting DSM-III-R criteria for schizophrenia (mean age 14.2+/-3.8 years) and 20 normal children (mean age 12.0+/-2.8 years) were investigated. MRI scans were performed on a 1.5-T GE Signa MR scanner using a coronal plane SPGR at 1.4-mm slice thickness. Volumes were assessed by manually tracing bilateral hippocampus, amygdala and temporal lobes. After adjustment for age and total brain volume, the amygdala was significantly larger in the schizophrenics than in the control subjects, and this volume increase was more pronounced on the left side. Hippocampus volumes did not differ significantly across groups. There was a nearly significant left-greater-than-right asymmetry of the amygdala in the schizophrenic group but not in the normal group. A nearly significant right-greater-than-left asymmetry was found in the anterior hippocampus for both schizophrenic and control groups. These findings are consistent with previous reports of at least initial sparing of temporal lobe regions in childhood-onset schizophrenia.
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Affiliation(s)
- J G Levitt
- Department of Psychiatry, UCLA Neuropsychiatric Institute, 760 Westwood Plaza, Los Angeles, CA 90024, USA.
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Hanna KM, Guthrie D. Parents' and adolescents' perceptions of helpful and nonhelpful support for adolescents' assumption of diabetes management responsibility. Issues Compr Pediatr Nurs 2001; 24:209-23. [PMID: 11769207 DOI: 10.1080/014608601753260317] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
The study identified parents' and adolescents' perceptions of helpful and nonhelpful support, specific to adolescents' assumption of responsibility for diabetes management. Sixteen pairs of parents and adolescents with type 1 diabetes (11-18 years of age) were interviewed. The interviews were audiotaped and transcribed verbatim. Data were analyzed for manifest content according to social support dimensions identified by Barrera and Ainlay (1983). Inter-rater agreement between primary investigator and doctorally prepared diabetes nurse and educator was 100%. Both parents and adolescents describe directive guidance and tangible assistance as helpful and nonhelpful, depending on degree of directness and perceived need for help. Nurses can encourage parents to use subtle guidance and adolescents to communicate their needs.
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Affiliation(s)
- K M Hanna
- Family Health Department, Indiana University School of Nursing, 1111 Middle Dr., NU 451, Indianapolis, Indiana 46202, USA.
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Abstract
OBJECTIVE This study compared thought disorder and associated cognitive variables in attention-deficit hyperactivity disorder (ADHD) and schizophrenia. METHOD Speech samples of 115 ADHD, 88 schizophrenic, and 190 normal children, aged 8 to 15 years, were coded for thought disorder. A structured psychiatric interview, the WISC-R, the Continuous Performance Test, and the Span of Apprehension task were administered to each child. RESULTS The ADHD and schizophrenic groups had thought disorder compared with the normal children. However, the subjects with ADHD had a narrower range of less severe thought disorder than did the schizophrenic subjects. The younger children with ADHD and schizophrenia had significantly more thought disorder than did the older children with these diagnoses. IQ, attention, and working memory were associated with thought disorder in the ADHD but not the schizophrenic group. CONCLUSIONS Thought disorder in childhood is not specific to schizophrenia and reflects impaired development of children's communication skills.
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Affiliation(s)
- R Caplan
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, USA.
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26
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Ott D, Caplan R, Guthrie D, Siddarth P, Komo S, Shields WD, Sankar R, Kornblum H, Chayasirisobhon S. Measures of psychopathology in children with complex partial seizures and primary generalized epilepsy with absence. J Am Acad Child Adolesc Psychiatry 2001; 40:907-14. [PMID: 11501690 DOI: 10.1097/00004583-200108000-00012] [Citation(s) in RCA: 102] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE This investigation examined psychopathology in 48 children with complex partial seizures (CPS), 39 children with primary generalized epilepsy with absence (PGE), and 59 nonepileptic children, aged 5 to 16 years, by comparing the Child Behavior Checklist (CBCL) and the Schedule for Affective Disorders and Schizophrenia for School-Age Children (K-SADS). METHOD The CBCL was completed by parents and the K-SADS was administered to both parent and child. RESULTS The CBCL identified psychopathology in 26% and the K-SADS in 51% of the CPS and PGE patients (kappa = 0.32). The CPS and PGE groups had significantly higher mean CBCL scores, as well as higher rates of psychiatric diagnoses and symptoms of psychopathology, compared with the nonepileptic group. However, the CPS and PGE groups did not differ in these measures. Within each patient group, Full Scale IQ, but not seizure control, was associated with these measures of psychopathology. CONCLUSION These findings suggest that the K-SADS identifies more children with psychopathology than the CBCL in children with CPS and PGE.
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Affiliation(s)
- D Ott
- Neuropsychiatric Institute, Los Angeles, CA, 90024, USA.
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Gordon AN, Fleagle JT, Guthrie D, Parkin DE, Gore ME, Lacave AJ. Recurrent epithelial ovarian carcinoma: a randomized phase III study of pegylated liposomal doxorubicin versus topotecan. J Clin Oncol 2001; 19:3312-22. [PMID: 11454878 DOI: 10.1200/jco.2001.19.14.3312] [Citation(s) in RCA: 859] [Impact Index Per Article: 37.3] [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: 12/27/2022] Open
Abstract
PURPOSE To compare the efficacy and safety of pegylated liposomal doxorubicin (PLD) and topotecan in patients with epithelial ovarian carcinoma that recurred after or didn't respond to first-line, platinum-based chemotherapy. PATIENTS AND METHODS Patients with measurable and assessable disease were randomized to receive either PLD 50 mg/m(2) as a 1-hour infusion every 4 weeks or topotecan 1.5 mg/m(2)/d for 5 consecutive days every 3 weeks. Patients were stratified prospectively for platinum sensitivity and for the presence or absence of bulky disease. RESULTS A total of 474 patients were treated (239 PLD and 235 topotecan). They comprised the intent-to-treat population. The overall progression-free survival rates were similar between the two arms (P =.095). The overall response rates for PLD and topotecan were 19.7% and 17.0%, respectively (P =.390). Median overall survival times were 60 weeks for PLD and 56.7 weeks for topotecan. Data analyzed in platinum-sensitive patients demonstrated a statistically significant benefit from PLD for progression-free survival (P =.037), with medians of 28.9 for PLD versus 23.3 weeks for topotecan. For overall survival, PLD was significantly superior to topotecan (P =.008), with a median of 108 weeks versus 71.1 weeks. The platinum-refractory subgroup demonstrated a nonstatistically significant survival trend in favor of topotecan (P =.455). Severe hematologic toxicity was more common with topotecan and was more likely to be associated with dosage modification, or growth factor or blood product utilization. CONCLUSION The comparable efficacy, favorable safety profile, and convenient dosing support the role of PLD as a valuable treatment option in this patient population.
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Affiliation(s)
- A N Gordon
- Texas Oncology, Professional Association, Dallas, TX 75246, USA.
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Caplan R, Guthrie D, Komo S, Shields WD, Chayasirisobhon S, Kornblum HI, Mitchell W, Hanson R. Conversational repair in pediatric epilepsy. Brain Lang 2001; 78:82-93. [PMID: 11412017 DOI: 10.1006/brln.2000.2447] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
This study examined if children with complex partial seizures disorder (CPS) and primary generalized epilepsy with absence (PGE) were impaired in the use of self-initiated repair during a conversation compared to normal children. Transcriptions of speech samples of 92 CPS, 51 PGE, and 65 normal children, ages 5-16 years, were coded for self-initiated repair according to Evans (1985). The WISC-R, a structured psychiatric interview, and seizure-related information were obtained for each child. We found impaired use of repair in both the CPS and PGE groups compared to the normal subjects. The CPS patients, particularly those with a temporal lobe focus, overused self-initiated corrections of referents and syntax compared to the PGE and normal subjects. The CPS and PGE patients with frontal lobe involvement underused fillers compared to the normal children. These findings provide additional evidence that both CPS and PGE impact the ongoing development of children's communication skills.
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Affiliation(s)
- R Caplan
- Department of Psychiatry, University of California, Los Angeles 90024, USA.
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Abstract
Knowledge is limited about parents' decision making regarding adolescents' assumption of diabetes management. This study's purpose was to identify parents' perceived benefits and barriers about this process. We interviewed 17 parents of adolescents with type I diabetes. Questions were adapted from Janis and Mann's (1977) decisional balance sheet. Interviews were audiotaped and transcribed verbatim. Descriptive expressions were identified and categories inductively generated. Inter-rater agreement was initially 85% and was 100% after discussion of disagreements. Parents' perceived benefits for themselves were relief from burden and knowledge and confidence and/or pride in adolescents' abilities. Their perceived benefits for their sons and daughters were also twofold: knowledge and/or confidence in abilities and freedom, independence, and/or control. Parents perceived barriers for themselves were loss of control, authority, and supervision, dealing with consequences. and expression of lack of barriers. Their perceived barriers for their sons and daughters were burden of responsibility and also lack of barriers. Understanding parents' perceived benefits and barriers would be beneficial to health care professionals when working with parents, because decision making related to the transfer of diabetes management to their adolescent sons and daughters is crucial to the success of its management.
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Affiliation(s)
- K M Hanna
- Department of Family Health, Indiana University School of Nursing, Indianapolis 46202-5107, USA
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Abstract
OBJECTIVE Based on hypotheses generated during clinical interviews with 80 women with a lifetime history of bulimia nervosa (BN), we designed an instrument for assessing the extent to which women with BN report parental intrusiveness and breakdown of appropriate role boundaries during their adolescent development. METHOD Through an iterative process of item generation and scale administration, the Parental Intrusiveness Rating Scale (PIRS), consisting of 20 maternal items and 20 paternal items, was developed. Maternal subscales include Invasion of Privacy, Jealousy and Competition, and Overconcern with the Daughter's Eating, Weight, and Shape. Paternal subscales include Invasion of Privacy, Seductiveness, and Overconcern with the Daughter's Eating, Weight, and Shape. We validated the instrument using a subset of the above BN and comparison women (ns = 55 and 33, respectively), as well as an independent sample of women with BN and college comparison subjects (ns = 31 and 540, respectively). RESULTS Parental intrusiveness scores were significantly positively correlated with disturbed relationships in the family of origin of our initial cohort. Reliability analyses, both test-retest and item-scale correlations, revealed adequate to strong statistical associations in the combined sample. CONCLUSION The PIRS promises to enrich our understanding of problematic parental behaviors among women who develop BN and allows us to broaden the conceptualization of familial risk factors for this disorder.
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Affiliation(s)
- M Rorty
- Private Practice, Pasadena, California
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31
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DeCruze B, Guthrie D. Radiotherapy in poor risk patients with stage I cancer of the endometrium: results of not giving external beam radiotherapy. Clin Oncol (R Coll Radiol) 2000; 11:252-4. [PMID: 10473722 DOI: 10.1053/clon.1999.9058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [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: 11/11/2022]
Abstract
Poor prognosis (poorly differentiated and/or deep myometrial invasion) Stage I endometrial cancer can have a relapse rate as high as 50%. Traditionally, most clinical oncologists treat these patients with external beam radiotherapy after surgery but there is no evidence to show that this improves survival. The retrospective study looks at the results of not giving external beam radiotherapy in 25 consecutive patients and compares the results with a group of 13 consecutive patients who did have such treatment. The two groups were comparable with regard to age, degree of differentiation and degree of invasion. Survival was comparable in the two groups. There is no evidence of any obvious decrease in survival from withholding external beam radiotherapy, but this was not a prospective randomized controlled trial. This study illustrates that it is essential that the Medical Research Council ASTEC trial should be supported because this will determine the true place of external beam radiotherapy in such patients.
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Abstract
Knowledge is limited about adolescents' decision making regarding their assumption of diabetes management from parents. This study's purpose was to identify adolescents' perceived benefits and barriers about this process. Sixteen adolescents with type 1 diabetes were interviewed. Questions were adapted from the Janis and Mann (1977) decisional balance sheet. Interviews were audiotaped and transcribed verbatim. Descriptive expressions were identified and categories inductively generated. Adolescents' perceived benefits for themselves were having knowledge of or confidence in self-management abilities, more freedoms, and approval of others. They perceived benefits for parents as relief from responsibility, stress, and worry. Burden of responsibility was perceived as a barrier to adolescents for self-management. Adolescents perceived barriers for parents as worry/guilt and loss of control. Interrater agreement was initially 74%. Categories with disagreements were recategorized by interraters and then there was 100% agreement. Understanding adolescents' perceptions would be beneficial to their health care professionals.
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Affiliation(s)
- K M Hanna
- Indiana University School of Nursing, Department of Family Health, 1111 Middle Dr., NU 451, Indianapolis, IN 46202-5107, USA
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Abstract
OBJECTIVES This study characterized further the communicative deficits associated with childhood-onset schizophrenia. It examined the use of speech functions that involve responses to Yes/No and Wh- questions in children with schizophrenia and normal children during conversation. It also ascertained the relationship of these speech functions with cognition and thought disorder. METHOD Speech function variables, formal thought disorder, and cohesion were coded in 32 schizophrenic and 34 normal children, aged 5.6 to 12.4 years, from speech samples elicited with the Story Game. RESULTS The schizophrenic children were significantly more impaired in the use of speech functions than the normal children. Other than the association of a subset of the speech functions with distractibility and loose associations, the speech function measures were unrelated to cognitive and thought disorder measures. CONCLUSIONS Speech function analysis detects communication deficits not captured by thought disorder measures in children with schizophrenia.
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Affiliation(s)
- A Abu-Akel
- University of California at Los Angeles, USA.
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Abstract
OBJECTIVES To examine whether measures of thought disorder differentiated schizophrenic from normal children and to examine the relationship of these measures with developmental and cognitive factors. METHOD The speech samples of 88 schizophrenic and 190 normal children, aged 9 to 13 years, were coded with the Kiddie Formal Thought Disorder Rating Scale and Halliday and Hassan's analysis of cohesion. RESULTS Above and beyond differences in mental age, gender, and neuroleptic status, the patients had significantly more formal thought disorder (FTD) and cohesive deficits than the normal children matched by mental age. The younger schizophrenic and normal children had significantly more thought disorder than the older children with these diagnoses. Combined FTD and cohesion scores correctly identified 76% of schizophrenic and 88% of normal children with little variability across mental age. The thought disorder measures generated 2 independent components: FTD and cohesion. CONCLUSIONS Thought disorder measures that include both FTD and cohesion provide a quantitative diagnostic tool of childhood-onset schizophrenia.
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Affiliation(s)
- R Caplan
- Department of Psychiatry and Biobehavioral Sciences, University of California at Los Angeles, USA
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Abstract
UNLABELLED Previous studies have shown a significant reduction of prepulse inhibition of startle in boys with primary nocturnal enuresis. Those enuretic boys who had higher IQs showed less prepulse inhibition. This study evaluates the association of prepulse inhibition and IQ in primary nocturnal enuresis in respect to family history of primary nocturnal enuresis. Prepulse inhibition of startle was studied in 83 boys with primary nocturnal enuresis and 57 non-enuretic boys using an interval of 120 ms between the onset of a 75 dB 1000 Hz tone and a 104 dB noise burst. Of the boys with primary nocturnal enuresis, 56 had a family history of primary nocturnal enuresis and 27 had no family history (no first-degree relative). Of the 57 non-enuretic boys, 42 also had no family history (no first-degree relative) of primary nocturnal enuresis, while 15 did have a positive family history. Associations between prepulse inhibition and IQ scores were compared among these four groups. Strong and significant associations between prepulse inhibition deficit and higher IQ scores in the enuretic group with familial primary nocturnal enuresis were unique in comparison to the other groups. CONCLUSIONS The strong heritabilities of primary nocturnal enuresis, intelligence and prepulse inhibition suggest genetic mediation of the association of prepulse inhibition with intelligence in familial primary nocturnal enuresis.
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Affiliation(s)
- E M Ornitz
- Department of Psychiatry, UCLA Neuropsychiatric Institute, Los Angeles, CA 90024, USA.
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Heinicke C, Goorsky M, Moscov S, Dudley K, Gordon J, Schneider C, Guthrie D. Relationship-based intervention with at-risk mothers: Factors affecting variations in outcome. Infant Ment Health J 2000. [DOI: 10.1002/1097-0355(200007)21:3<133::aid-imhj1>3.0.co;2-p] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.0] [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
The postoperative development of nonverbal communication was studied in 29 children, aged 18.2 (SD = 11.54) months, who underwent multilobar resection or hemispherectomy for intractable symptomatic infantile spasms (IS). Using the Early Social Communication Scale, the IS subjects had little, if any, social interaction, joint attention or behavior regulation before surgery. After a mean follow-up of 24 months, most of the children continued to have delayed nonverbal communication skills compared to normal children. Seizure-related, surgical and cognitive factors were unrelated to the postsurgical development of nonverbal communication. The children with right-sided surgery had a statistically significant increase in the use of social interaction but not in other gestural behaviors. Removal of the frontal lobe was not related to the nonverbal communication outcome. The study's findings suggest that impaired use of nonverbal communication might be a feature of surgically treated children with medically intractable IS.
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Affiliation(s)
- R Caplan
- Department of Psychiatry, UCLA, Los Angeles, CA, USA
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Freeman BJ, Del'Homme M, Guthrie D, Zhang F. Vineland Adaptive Behavior Scale scores as a function of age and initial IQ in 210 autistic children. J Autism Dev Disord 1999; 29:379-84. [PMID: 10587884 DOI: 10.1023/a:1023078827457] [Citation(s) in RCA: 101] [Impact Index Per Article: 4.0] [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: 11/12/2022]
Abstract
Human growth modeling statistics were utilized to examine how Vineland Adaptive Behavior Scale (VABS) scores changed in individuals with autistic disorder as a function of both age and initial IQ. Results revealed that subjects improved with age in all domains. The rate of growth in Communication and Daily Living Skills was related to initial IQ while rate of growth in Social Skills was not. Results should provide hope for parents and further support for the importance of functional social-communication skills in the treatment of autism.
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Affiliation(s)
- B J Freeman
- Department of Psychiatry and Biobehavioral Sciences, UCLA School of Medicine/NPI 90024, USA
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Cummins JM, Guthrie D, Hutcheson DP, Krakowka S, Rosenquist BD. Natural human interferon-alpha administered orally as a treatment of bovine respiratory disease complex. J Interferon Cytokine Res 1999; 19:907-10. [PMID: 10476937 DOI: 10.1089/107999099313442] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [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: 11/12/2022] Open
Abstract
Natural human interferon-alpha (nHuIFN-alpha) from three sources was given orally to 368 calves experiencing a natural outbreak of bovine respiratory disease complex (BRDC). In one study, 200 calves were given one treatment daily for 3 days of placebo or 20, 200, or 2,000 IU of nHuIFN-alpha before shipment. Calves treated with 20 or 200 IU had a significant (p < 0.05) weight gain benefit for the first 21 days in the feedlot, if they had rectal temperatures <40 degrees C when treated with nHuIFN-alpha. In a second trial, 168 mixed-breed calves (five groups randomized to 31-36 calves/group) were treated with one dose of placebo or 200 or 400 IU of nHuIFN-alpha after shipment to the feedlot. Using this regimen, a dose of 200 IU per calf significantly (p < 0.08) decreased the number of sick calves per group and delayed development of BRDC. Results of these studies demonstrate that oral administration of nHuIFN-alpha, which may partially mimic the nasally secreted IFN response reported during BRDC, may be beneficial in cattle.
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Affiliation(s)
- J M Cummins
- Amarillo Biosciences, Inc., TX 79101-3206, USA.
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40
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Asarnow J, Glynn S, Pynoos RS, Nahum J, Guthrie D, Cantwell DP, Franklin B. When the earth stops shaking: earthquake sequelae among children diagnosed for pre-earthquake psychopathology. J Am Acad Child Adolesc Psychiatry 1999; 38:1016-23. [PMID: 10434494 DOI: 10.1097/00004583-199908000-00018] [Citation(s) in RCA: 124] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To examine risk and protective processes for posttraumatic stress reactions and negative sequelae following the Northridge earthquake (EQ) among youths diagnosed for pre-EQ psychopathology. METHOD Symptoms of posttraumatic stress disorder (PTSD), depression, general anxiety, and social impairment were evaluated using telephone interviews among 66 children participating in a family-genetic study of childhood-onset depression at the time of the EQ. RESULTS Significant predictors of PTSD symptoms 1 year after the EQ included perceived stress and resource loss associated with the EQ, a pre-EQ anxiety disorder, and more frequent use of cognitive and avoidance coping strategies. PTSD symptoms were associated with high rates of concurrent general anxiety symptoms, depressive symptoms, and social adjustment problems with friends. The only significant correlation between sibling scores was on measures of sibling reports of objective exposure. CONCLUSIONS Preexisting anxiety disorders represent a risk factor for postdisaster PTSD reactions. Postdisaster services need to attend to the needs of these youths as well as those of youths experiencing high levels of subjective stress, resource loss, and/or high exposure. That children within families show significant variation in postdisaster reactions underscores the need for attention to individual child characteristics and unshared environmental attributes.
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Affiliation(s)
- J Asarnow
- UCLA Department of Psychiatry 90024-1759, USA
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41
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Abstract
BACKGROUND Children with primary nocturnal enuresis (PNE) wet the bed during all stages of sleep and irrespective of state of arousal, suggesting that during sleep, when voluntary, i.e., cortical control, is not available, the signal from the distended bladder is not registered in the subcortical centers inhibiting micturition. Deficient prepulse inhibition (PPI) of startle has been reported in PNE. This study evaluates the association of this PPI deficit in PNE with comorbidity with attention-deficit hyperactivity disorder (ADHD) and with intelligence. METHODS Prepulse modulation of startle was studied in 96 boys with PNE and 105 nonenuretic boys using intervals of 60, 120, and 4000 msec between the onset of a 75-dB 1000-Hz tone and a 104-dB noise burst. Thirty-one percent of the enuretic and 36% of the nonenuretic boys were diagnosed with ADHD. RESULTS After adjustment for presence or absence of ADHD, lower or higher IQ, age, and unmodulated startle amplitude, there was a significant association between PNE and deficient PPI of startle following the 120-msec prepulse interval. Those enuretic boys who also were ADHD or had higher performance IQs (> or = 110) showed the greatest PPI deficit. CONCLUSIONS A common deficiency of inhibitory signal processing in the brain stem may underlie both deficient PPI and the inability to inhibit micturition in PNE. Strong familiarity for PNE, ADHD, and intelligence suggests a possible genetic mediation of these effects.
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Strandburg RJ, Marsh JT, Brown WS, Asarnow RF, Guthrie D, Harper R, Nuechterlein KH. Continuous-processing related ERPS in adult schizophrenia: continuity with childhood onset schizophrenia. Biol Psychiatry 1999; 45:1356-69. [PMID: 10349042 DOI: 10.1016/s0006-3223(98)00349-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
BACKGROUND Previous work with schizophrenic children disclosed deficits on two continuous performance tests (CPTs) and ERP indices of reduced attentional resource allocation. METHODS The two CPTs were administered to adult schizophrenics and matched control subjects. The simple CPT required only that the subject respond whenever the target digit was displayed. The complex version required a response whenever any digit was displayed on two successive trials. Event-related potentials (ERPs) were recorded during task performance. RESULTS Schizophrenics had fewer hits on both CPT versions, showed a greater drop in performance from the simple to the complex CPT, and took longer to respond than controls. The processing negativity (Np) showed a greater amplitude increase from nontarget to target in normals than in schizophrenics, and the overlapping P2 component was more negative in normals. P3 latency was longer in schizophrenics, but P3 amplitude did not differ. CONCLUSIONS Group performance and processing negativity effects replicated those from an earlier study of schizophrenic and normal children administered the same versions of the CPT, suggesting similar abnormalities in the allocation and modulation of information processing resources.
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Affiliation(s)
- R J Strandburg
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, USA
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Abstract
OBJECTIVE This study examined women's cardiovascular and neuroendocrine responsiveness to work. METHODS Ambulatory blood pressure (BP) and heart rate (HR) were recorded over 24-hour periods on 2 work and 2 off days during the luteal and follicular phases of the menstrual cycle in 138 registered nurses, aged 25 to 50 years. Urinary catecholamines and cortisol were measured for day and night periods. RESULTS During waking hours systolic BP (SBP), HR, and epinephrine were higher on work than off days. Diastolic BP (DBP) and HR were highest at work. Nurses scoring high on job demands had elevations in daytime SBP, daytime HR only on work days, and nighttime epinephrine on work days. Compared with those with short work histories, nurses employed longer had consistently higher norepinephrine levels during days and nights, and higher nighttime DBP during off days. In unmarried nurses compared with married nurses, nighttime cortisol was lower during all 4 days and norepinephrine was lower during days off. All findings were independent of actigraph-recorded activity. CONCLUSIONS Although the work environment leads to increased activity of the cardiovascular and sympathoadrenal medullary system in healthy women, the effects are modified by the woman's domestic role, by the length of her employment, and by the demands of her job.
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Affiliation(s)
- I B Goldstein
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles 90024-1759, USA.
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Abstract
1. The aim was to investigate cerebellar vermis cross-sectional area in a group of high-functioning autistic children and normal control children. 2. Cerebellar vermis area measurements were completed on MRI scans from 8 autistic children (mean age 12.5 +/- 2.2, mean IQ 83.3 +/- 11.9) and 21 normal children (mean age 12.0 +/- 2.8, mean IQ 115 +/- 11). 3. The area of cerebellar vermis lobules VIII-X was significantly smaller in the autistic children than in the normal control subjects. ANCOVA demonstrated a confounding effect of IQ on these results. 4. Larger studies of autistic and normal subjects will be needed to assess the relationship between cerebellar abnormalities, autistic symptoms and IQ.
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Affiliation(s)
- J G Levitt
- Department of Psychiatry, UCLA Neuropsychiatric Institute, USA
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45
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Abstract
The assessment of patients following intracavitary irradiation administered as part of the treatment of gynaecological malignancy reveals vaginal stenosis in the majority. Vaginal dilators are available for daily insertion in an attempt to prevent the formation of adhesions. However, the design of the dilator neglects the fact that the vagina is the most distensible in the upper third and hence many patients develop stenosis of the upper vagina. Many clinicians have abandoned the use of dilators and instead advise patients to have sexual intercourse to prevent the problem. In 1994, we designed a new vaginal stent, which was given to all patients who had received intracavitary irradiation with full instructions about its use. This stent was designed to suit better the true anatomy of the vagina and hence, with correct use, should prevent vaginal stenosis. A retrospective study was undertaken to look at the incidence of vaginal stenosis and this was compared with the incidence in patients using the new stent. The study revealed that 57% of the patients who were advised to have sexual intercourse had stenosis, whereas 11% of the patients using the stent had evidence of stenosis, which, however, was related to their incorrect use of the stent. In those who used the stent correctly there was no evidence of vaginal stenosis. Details of the design of the stent and the problems relating to those who used the stent incorrectly are presented. The findings of this study strongly support the continued use of this vaginal stent in patients who have undergone intracavitary irradiation as a means of preventing this common complication.
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Abstract
This study examines retrospective reports of factors anticipated to impact first intercourse in a random sample of 897 Jamaican women, and contributes to our understanding of the relationship between sexual risk, knowledge, and economic and demographic correlates of first intercourse. A relationship between initiation of intercourse prior to the age of consent (16 years) and factors occurring at or around the time of first intercourse was found. Early initiators were more likely to have had less early family stability and to have experienced menarche at a younger age than late initiators. Although early initiators of intercourse were more likely to report lower socioeconomic status, less STD knowledge, and greater numbers of pregnancies, they were no more likely to report more sexual partners than women who engaged in first intercourse after the age of consent, and had a greater number of long-term relationships. Regardless of age of first intercourse, women need to be made aware of the risks of sexual contact so that they can make informed decisions about the consequences of sexual activity. Overall, results are consistent with work conducted in other parts of the Caribbean and America regarding the age at which young women engage in first intercourse. Findings suggest the need for further work exploring expectations at first intercourse such as marriage, economic support, or relationship stability. Implications of these findings are discussed within the context of economic and structural factors that both increase and decrease risks.
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Affiliation(s)
- G Wyatt
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles 90024, USA
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47
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Abstract
This is a longitudinal study of facial expression of affect in 28 children with intractable infantile spasms who underwent epilepsy surgery. After a mean follow-up period of 1.8 years, there was a significant increase in positive affect, a significant decrease in neutral affect, and no change in negative affect during a nonverbal communication paradigm. These findings were unrelated to surgical (i. e., side of surgery, type of surgery) or seizure-related variables (i.e., seizure control, age at onset of illness, duration of illness, change in antiepileptic drugs). Comparison of affect in a subgroup of 16 patients with those of 32 normal subjects suggest a normal age-related increase in the use of positive affect. Both before and after surgery, the patients used the most positive affect while not communicating. They also used significantly more positive affect during while requesting objects or assistance rather than during social referencing. Intractable infantile spasms might be associated with reduction in the facial expression of positive affect and with impaired use during social communication.
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Affiliation(s)
- R Caplan
- Department of Psychiatry, UCLA, 760 Westwood Plaza, Los Angeles, 90024, USA
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Aabo K, Adams M, Adnitt P, Alberts DS, Athanazziou A, Barley V, Bell DR, Bianchi U, Bolis G, Brady MF, Brodovsky HS, Bruckner H, Buyse M, Canetta R, Chylak V, Cohen CJ, Colombo N, Conte PF, Crowther D, Edmonson JH, Gennatas C, Gilbey E, Gore M, Guthrie D, Yeap BY. Chemotherapy in advanced ovarian cancer: four systematic meta-analyses of individual patient data from 37 randomized trials. Advanced Ovarian Cancer Trialists' Group. Br J Cancer 1998; 78:1479-87. [PMID: 9836481 PMCID: PMC2063202 DOI: 10.1038/bjc.1998.710] [Citation(s) in RCA: 180] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
The purpose of this systematic study was to provide an up to date and reliable quantitative summary of the relative benefits of various types of chemotherapy (non-platinum vs platinum, single-agent vs combination and carboplatin vs cisplatin) in the treatment of advanced ovarian cancer. Also, to investigate whether well-defined patient subgroups benefit more or less from cisplatin- or carboplatin-based therapy. Meta-analyses were based on updated individual patient data from all available randomized controlled trials (published and unpublished), including 37 trials, 5667 patients and 4664 deaths. The results suggest that platinum-based chemotherapy is better than non-platinum therapy, show a trend in favour of platinum combinations over single-agent platinum, and suggest that cisplatin and carboplatin are equally effective. There is no good evidence that cisplatin is more or less effective than carboplatin in any particular subgroup of patients.
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Caplan R, Arbelle S, Magharious W, Guthrie D, Komo S, Shields WD, Chayasirisobhon S, Hansen R. Psychopathology in pediatric complex partial and primary generalized epilepsy. Dev Med Child Neurol 1998; 40:805-11. [PMID: 9881676 DOI: 10.1111/j.1469-8749.1998.tb12357.x] [Citation(s) in RCA: 50] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Structured psychiatric interviews were administered to 60 children with complex partial seizure disorder (CPS), 40 children with primary generalized epilepsy with absences (PGE), and 48 control children, aged 5 to 16 years. Significantly more patients with epilepsy had psychiatric diagnoses compared with the control children. There were no statistically significant differences, however, in the number of patients with CPS and PGE with psychiatric diagnoses. Other than a schizophrenia-like psychosis found only in the patients with CPS, the two groups of patients had similar psychiatric diagnoses. The presence of psychopathology was related to significantly lower IQ scores and socioeconomic status, but not to seizure-related factors. These findings suggest that the psychopathology of children with CPS and PGE reflects different subtle neuropsychological deficits.
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Affiliation(s)
- R Caplan
- Department of Psychiatry, Mental Retardation Research Center, UCLA, Los Angeles, CA 90024-1759, USA
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