Alive

Distribution by Scientific Domains
Distribution within Medical Sciences

Kinds of Alive

  • patient alive

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  • Selected Abstracts


    TAKING OUT THE PINS: ECONOMICS AS ALIVE AND LIVING IN THE HISTORY OF ECONOMIC THOUGHT

    ECONOMIC PAPERS: A JOURNAL OF APPLIED ECONOMICS AND POLICY, Issue 2 2005
    William Coleman
    The paper seeks to vindicate the value of the study of the history of economic thought (HET). It argues against the complaint that the study is antiquarian. It contends that, although HET does not confer operational and objective skills, it does provide insight into economic ideas, and sharpens our acumen in responding to them. [source]


    Wanted, Dead or Alive: Media Frames, Frame Adoption, and Support for the War in Afghanistan

    JOURNAL OF COMMUNICATION, Issue 1 2007
    Jill A. Edy
    This paper attempts to measure the impact of naturally occurring media frames on public support for a policy. Content analysis of network nightly news during late October of 2001 reveals that U.S. media framed the events of September 11 in terms of both war and crime. A concurrent survey of 328 Tennesseans reveals that rather than adopting either a war frame or a crime frame, audiences combined elements of these media frames in various ways and that their subsequent understanding of the events of September 11 had an impact on their support for the war in Afghanistan. The results reveal the complexity of the framing phenomenon in natural environments and suggest the need for better measures of how audiences perceive media frames as well as further investigation into framing as a means of coalition building. Résumé Recherché mort ou vif:Cadrage médiatique, adoption de cadres et soutien à la guerre en Afghanistan Cet article tente de mesurer l'effet des cadres médiatiques qui opèrent naturellement sur le soutien public à l'égard d'une politique. L'analyse de contenu des bulletins d'actualité du soir diffusés en réseau au cours de la fin du mois d'octobre 2001 révèle que les médias aux États-Unis ont cadré les événements du 11 septembre en des termes associés à la guerre et au crime. Un sondage mené simultanément auprès de 328 répondants du Tennessee révèle quant à lui que, plutôt que d'adopter un cadre de guerre ou de crime, les publics ont conjugué les composantes de ce cadrage médiatique de diverses manières et que leur compréhension subséquente des événements du 11 septembre a influencé leur soutien à la guerre en Afghanistan. Les résultats révèlent la complexité du phénomène du cadrage dans les environnements naturels. Ils suggèrent le besoin de mieux mesurer la perception par le public des cadres médiatiques et d'approfondir l'étude du cadrage comme moyen de construction de la coalition. Abstract Gesucht, tot oder lebendig:Medien-Frames, Frame-Aneignung und die Befürwortung des Afghanistan-Krieges Vorliegende Studie misst, welchen Einfluss natürlich auftretende Medien-Frames auf die öffentliche Unterstützung einer politischen Maßnahme (Krieg) haben. Eine Inhaltsanalyse der Abendnachrichten (Network-News) im Oktober 2001 zeigte, dass die Ereignisse des 11. September in US-amerikanische Medien sowohl als Krieg als auch Verbrechen geframt wurden. Eine zeitgleiche Umfrage von 328 Einwohnern des Staates Tennessee verdeutlichte, dass Zuschauer nicht den einen oder anderen Frame adaptierten, sondern Elemente des Kriegs- und des Verbrechens-Frames auf verschiedenste Art kombinierten. Die Art und Weise der Adaption beider Frames und das daraus resultierendes Verständnis der Ereignisse des 11. September zeigten wiederum einen Einfluss auf die Befürwortung des Kriegs in Afghanistan. Die Ergebnisse untermauern die postulierte Komplexität des Framing-Phänomens in natürlichen Umgebungen. Konsequenterweise müssen bessere Messinstrumente eingesetzt werden, die erfassen können, wie Zuschauer Medien-Frames wahrnehmen. Darüber hinaus sollten Forschungsbemühungen hinsichtlich der Rolle von Frames als Mittel zur Koalitionsbildung unternommen werden. Resumen Buscado, Muerto ó Vivo: Los Encuadres de los Medios Masivos, la Adopción de Encuadres, y el Apoyo a la Guerra en Afganistán Este artículo intenta medir el impacto de los encuadres de los medios masivos que ocurren naturalmente en el apoyo público a una política. Un análisis de contenido de redes de noticias nocturnas a finales del mes de Octubre del 2001 revela que los medios masivos de los Estados Unidos encuadraron los eventos del 11 de Septiembre en términos de guerra y crimen. Una encuesta simultánea de 328 individuos del estado de Tennessee reveló que en vez de adoptar la guerra ó el crimen como encuadres, las audiencias combinaron elementos de los encuadres de los medios masivos en varias maneras y que su entendimiento posterior de los eventos del 11 de Septiembre tuvo un impacto en el apoyo a la guerra en Afganistán. Los resultados muestran la complejidad del fenómeno del framing en contextos naturales y sugiere la necesidad de obtener mejores formas de medir cómo las audiencias perciben los encuadres de los medios masivos, así como también, la necesidad de realizar más investigaciones sobre el framing como una forma de construir coaliciones. ZhaiYao Yo yak [source]


    A Moment Dead, a Moment Alive: How a Situational Personhood Emerges in the Vegetative State in an Israeli Hospital Unit

    AMERICAN ANTHROPOLOGIST, Issue 1 2010
    Nurit Bird-David
    ABSTRACT, Here we address the personhood of patients in a permanent vegetative state (PVS), who fall outside categories of "alive" or "dead" and "subject" or "object." Drawing on fieldwork in an Israeli hospital, we examine multiple and shifting approaches to PVS patients, which are articulated in the course of caring for and living with them. We argue that, alongside the institutional definition of these patients as being in a PVS, which, as Kaufman showed, evokes irresolvable confusion as to their ontological nature, there appear and disappear other senses of their personhood. Allying with other studies of cognitively impaired patients (e.g., those with dementia and Alzheimer's), we explore this relational person-concept while demonstrating its situational nature. We analyze patients' admission to the hospital, showing how their essentialistic personhood is "emptied" and how and when their fluid, relational personhood appears and disappears, further showing how this personhood is reified by imagined life stories. [source]


    Council-Manager Government: Alive and Leading Today's Best-Managed Communities

    NATIONAL CIVIC REVIEW, Issue 1 2001
    William H. Hansell
    [source]


    Performance-based instructional systems design: Alive and well

    PERFORMANCE IMPROVEMENT, Issue 7 2002
    Brenda Sugrue
    No abstract is available for this article. [source]


    Dinosaurs and Their Relatives are Alive and Well in The Anatomical Record

    THE ANATOMICAL RECORD : ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY, Issue 9 2009
    Jeffrey T. Laitman Associate Editor, The Anatomical Record
    No abstract is available for this article. [source]


    Keeping a Rural Psychology Presence Alive

    CLINICAL PSYCHOLOGY: SCIENCE AND PRACTICE, Issue 3 2007
    David S. Hargrove
    Rural communities were brought into the national mental health picture in the 1960s in President John F. Kennedy's Community Mental Health Centers Act of 1962. The delivery of services and the human resource application of that act designated rural areas as underserved, in need of some attention. Training programs in psychology, psychiatry, social work, and nursing focused some efforts to produce professional people who could work in the rural environment. As federal initiatives in community mental health have changed, the stimuli for the continued development of rural services have lagged. A thread of concern has lingered, however, as the article by Jameson and Blank (2007) demonstrates. [source]


    The Dodo Bird Verdict Is Alive and Well,Mostly

    CLINICAL PSYCHOLOGY: SCIENCE AND PRACTICE, Issue 1 2002
    Lester Luborsky
    We examined 17 meta-analyses of comparisons of active treatments with each other, in contrast to the more usual comparisons of active treatments with controls. These meta-analyses yielded a mean uncorrected absolute effect size for Cohen's d of .20, which is small and non-significant (an equivalent Pearson's r would be. 10). The smallness of this effect size confirms Rosenzweig's supposition in 1936 about the likely results of such comparisons. In the present sample, when such differences were corrected for the therapeutic allegiance of the researchers involved in comparing the different psychotherapies, these differences tend to become even further reduced in size and significance, as shown previously by Luborsky, Diguer, Seligman, et al. (1999). [source]


    Purines , 80 years and very much alive

    ACTA PHYSIOLOGICA, Issue 2 2010
    B. Fredholm
    No abstract is available for this article. [source]


    Skin Angiosarcoma Arising in an Irradiated Breast: Case-Report and Literature Review

    DERMATOLOGIC SURGERY, Issue 3 2006
    FAUSTO CATENA MD
    BACKGROUND Angiosarcoma (AS) is a rare, invasive malignancy originating from endothelial cells caused by many different clinical situations. AS following radiotherapy for breast cancer after conservative surgery is a rare but well-known association. OBJECTIVE The aim of this article is to describe a case of AS after breast conserving surgery and to review the literature to date. RESULTS We report the case of an 84-year-old woman who developed AS four years after she was subjected to quadrantectomy for invasive ductal cancer, followed by 30 tangent field radiotherapy sessions. She presented with a one-month history or red papular skin eruptions on the operated breast. Skin lesions were submitted for biopsy, and they were positive for AS. The patients was subjected to surgical excision of the remaining breast including all AS lesions. She is alive with no evidence of disease after 10 months follow-up. CONCLUSION Post-radiotherapy AS is rare neoplasm, but it should be considered in the case of patients with red lesions after breast conserving surgery and adjuvant radiotherapy. [source]


    In-Transit Metastasis From Primary Cutaneous Squamous Cell Carcinoma in Organ Transplant Recipients and Nonimmunosuppressed Patients: Clinical Characteristics, Management, and Outcome in a Series of 21 Patients

    DERMATOLOGIC SURGERY, Issue 4p2 2004
    John A. Carucci MD
    Background. In-transit metastases from cutaneous squamous cell carcinoma (SCC) may occur in organ transplant recipients and may indicate aggressive disease and poor prognosis. Objective. The objective of this study was to describe in-transit metastases from cutaneous SCC and to identify factors associated with this phenomenon in a series of 21 patients. We also attempted to evaluate outcome with respect to status as an organ transplant recipient or nonorgan transplant recipient. Methods. A multicenter case series of patients was reviewed; factors included clinical presentation, management, and outcome. Results. Twenty-one patients, 15 organ transplant recipients, and 6 nontransplant recipients with in-transit metastases were reviewed. In-transit metastases presented most commonly as discrete, dermal papules distinct from but in the vicinity of the primary tumor site. Histologic differentiation was variable. At a mean follow up of 24 months, 33% the transplant patients had no evidence of disease compared with 80% of nontransplant patients. Thirty-three percent were dead from disease and 33% were alive with nodal or distant metastases. In contrast, 80% of nonimmunosuppressed patients had no evidence of disease and none had died at mean follow-up of 24 months. Conclusion. In-transit metastasis from cutaneous SCC is a unique presentation of metastatic SCC, more commonly described in organ transplant recipients, and is associated with poor prognosis in that group. This description represents the largest experience with in-transit metastases from cutaneous SCC in the literature. [source]


    Inhibitors of purine and pyrimidine synthesis: mycophenolate, azathioprine, and leflunomide

    DERMATOLOGIC THERAPY, Issue 4 2002
    Daniel Mimouni
    The major goal in the treatment of autoimmune blistering diseases has changed from simply keeping the patient alive to suppressing disease while maintaining quality of life and minimizing drug side effects. Researchers and clinicians are constantly seeking steroid-sparing agents that would allow a dose reduction in corticosteroids with no loss of benefit. Purine and pyrimidine base inhibitors are commonly used for this purpose. These drugs act by inhibiting cell division and inducing cell death. The pharmacologic and clinical aspects of azathioprine, mycophenolate mofetil, and leflunomide are discussed in this review. [source]


    Privatisation Results: Private Sector Participation in Water Services After 15 Years

    DEVELOPMENT POLICY REVIEW, Issue 6 2006
    Naren Prasad
    Privatisation of public infrastructure has been the mantra of many development agencies since the late 1980s. Water supply is no exception, and various forms of private sector participation (PSP) have been tried in the water and sanitation sector. This article examines the results of these experiments. It suggests that PSP has had mixed results and that in several important respects the private sector seems to be no more efficient in delivering services than the public sector. Despite growing evidence of failures and increasing public pressure against it, privatisation in water and sanitation is still alive, however. Increasingly, it is being repackaged in new forms such as that of public-private partnership. [source]


    Staying alive: Dalmatian mediated blocking of apoptosis is essential for tissue maintenance

    DEVELOPMENTAL DYNAMICS, Issue 6 2010
    Bilal E. Kerman
    Abstract In an EMS screen for mutations disrupting tracheal development, we identified new alleles of the dalmation (dmt) gene, which had previously been shown to affect peripheral nervous system (PNS) development. Here, we demonstrate that dmt loss results in programmed cell death, disrupting PNS patterning and leading to large gaps in the salivary duct and trachea. Dmt loss results in increased expression of the proapoptotic regulator genes head involution defective (hid) and reaper (rpr), and deletion of these genes or tissue-specific expression of the baculoviral apoptotic inhibitor P35 rescues the dmt defects. dmt is also required to protect cells from irradiation induced expression of hid and rpr during the irradiation resistant stage, which begins as cells become irreversibly committed to their final fates. Thus, we propose that Dmt keeps cells alive by blocking activation of hid and rpr as cells become irreversibly committed. Developmental Dynamics 239:1609,1621, 2010. © 2010 Wiley-Liss, Inc. [source]


    Lycanthropy alive in Babylon: the existence of archetype

    ACTA PSYCHIATRICA SCANDINAVICA, Issue 2 2009
    A. A. Younis
    Objective:, Lycanthropy is the belief in the capacity of human metamorphosis into animal form. It has been recorded in many cultures. Apart from historic description of lycanthropy, there has been several case reports described in the medical literature over the past 30 years. Method:, We identified eight cases of lycanthropy in 20 years, mainly in the area of Babylon, Iraq. Results:, The most commonly reported diagnosis was severe depressive disorder with psychotic symptoms. The type of animal that the patients changed into were mainly dogs (seven cases) and only one case changed into a cow for the first time to report. Conclusion:, Lycanthropy delusion is a rare delusion but appears to have survived into modern times with possible archetypal existence. [source]


    Buried alive: How osteoblasts become osteocytes

    DEVELOPMENTAL DYNAMICS, Issue 1 2006
    Tamara A. Franz-Odendaal
    Abstract During osteogenesis, osteoblasts lay down osteoid and transform into osteocytes embedded in mineralized bone matrix. Despite the fact that osteocytes are the most abundant cellular component of bone, little is known about the process of osteoblast-to-osteocyte transformation. What is known is that osteoblasts undergo a number of changes during this transformation, yet retain their connections to preosteoblasts and osteocytes. This review explores the osteoblast-to-osteocyte transformation during intramembranous ossification from both morphological and molecular perspectives. We investigate how these data support five schemes that describe how an osteoblast could become entrapped in the bone matrix (in mammals) and suggest one of the five scenarios that best fits as a model. Those osteoblasts on the bone surface that are destined for burial and destined to become osteocytes slow down matrix production compared to neighbouring osteoblasts, which continue to produce bone matrix. That is, cells that continue to produce matrix actively bury cells producing less or no new bone matrix (passive burial). We summarize which morphological and molecular changes could be used as characters (or markers) to follow the transformation process. Developmental Dynamics 235:176,190, 2006. © 2005 Wiley-Liss, Inc. [source]


    Survival with Rett syndrome: comparing Rett's original sample with data from the Australian Rett Syndrome Database

    DEVELOPMENTAL MEDICINE & CHILD NEUROLOGY, Issue 10 2010
    MICHAEL FREILINGER
    Aim, Rett syndrome is a severe neurodevelopmental disorder that typically affects females. Little is known about the natural history and survival time of these females. Method, We compared the survival of all Austrian female participants from Rett's historical cohort (1966) with that of affected females registered in the Australian Rett Syndrome Database. The analysis included both Kaplan,Meier analysis and a log-rank test for equality of survivor functions. Results, Of females in the original Austrian group, three are still alive. The median age at death was 13 years 4.8 months. The probability of survival up to the age of 25 years was 21%, compared with 71% in the Australian cohort (p<0.001). We found no practical or statistically significant differences in survival between the various birth year groups within the Australian cohort. Interpretation, Our data indicate that survival of females with Rett syndrome has improved since the late 1960s but that there has been shown no change in survival over the last 30 years, possibly because the follow-up time has been too short. [source]


    Mechanical ventilation for respiratory failure in children with severe neurological impairment: is it futile medical treatment?

    DEVELOPMENTAL MEDICINE & CHILD NEUROLOGY, Issue 5 2010
    JOSEPHUS PJ VAN GESTEL
    Aim, To assess outcome for children with severe neurological impairment receiving invasive mechanical ventilation for respiratory failure. Method, Medical charts for all such children treated in our intensive care unit (ICU) between January 2003 and July 2008 were reviewed. Outcomes were compared with those for children with moderate neurological impairment. Results, Twenty-two children with severe neurological impairment were included (nine females, 13 males; median age 7y 10mo; range 4mo,17y). The median duration of mechanical ventilation was 16 days. Six children had an uneventful 1-year survival, the others required reintubation or readmission to the ICU, or died. Eleven children were still alive 1 year after discharge from the ICU. Nine patients died of respiratory failure. None of the children in the severe group died of a heart defect. Eleven children with moderate neurological impairment were included (eight females, three males; median age 1y 1mo, range 4mo,13y). Four children had an uneventful 1-year survival. Eight children were still alive 1 year after discharge from the ICU. Two of the three non-survivors died of their heart defects. Interpretation, Mechanical ventilation for respiratory failure in children with severe neurological impairment is complex and associated with limited survival. However, it cannot be regarded as futile medical treatment. Further studies are urgently needed for the rational guidance of clinical decision-making. [source]


    Socio-economic achievements of individuals born very preterm at the age of 27 to 29 years: a nationwide cohort study

    DEVELOPMENTAL MEDICINE & CHILD NEUROLOGY, Issue 11 2009
    RENÉ MATHIASEN MD
    Aim, To describe the socio economic achievement of individuals born very preterm (VPT) at the age of 27 to 29 years. Method, Demographic and social data were extracted from national registers for all individuals born between 1974 and 1976 in Denmark (n=208 656). Of these, 203 283 individuals were alive in 2006. We compared VPT individuals (gestational age <33wks, n=1422; 51.8% males, n=736) with individuals born at term (>36wks, n=192 223; 51.1% males, n=98 240), of whom 4.08% (n=58) of the VPT and 0.19% (n=373) of the term individuals had a diagnosis of cerebral palsy (CP). Results, Overall results in the two groups were similar, but significant differences appeared. The VPT group had a lower educational level than the term group: 23.9% versus 16.3% had a basic education (corresponding to attendance at basic school for 9y or less; odds ratio [OR] =1.61, 95% confidence interval [CI] 1.42,1.82). Similarly, 31.9% versus 37.6% had a tertiary education (corresponding to different levels of professional education; OR=0.77, CI 0.69,0.86). Net income was 11% lower in the VPT group and 10.8% versus 5.3% were receiving welfare support (OR=2.14, CI 1.81,2.55). In the VPT group 59% versus 52% did not have children (p<0.001) and there were more individuals living alone without children (28.8% vs 21.8%; OR=1.45, CI 1.29,1.63). Interpretation, VPT birth in the 1970s in Denmark is associated with a highly statistically significant educational and social disadvantage persisting into young adulthood. CP increased the relative risk of social disadvantage in VPT individuals. However, the majority of the survivors are well integrated in society. [source]


    Comparative psychology is still alive but may be losing relevance

    DEVELOPMENTAL PSYCHOBIOLOGY, Issue 1 2004
    Victor H. Denenberg
    Abstract Greenberg et al., in their perspective on the current state and fate of comparative psychology, present convincing data that the field is viable and that comparative psychologists are making important contributions to the research literature. The central feature of the field is its emphasis upon evolution. This is also its weakness since advances in genetic techniques permit researchers to create laboratory animals that have no counterpart in the natural world, and thus have no evolutionary history. These "unnatural" animals are widely used in behavioral, biological, and medical studies, but the findings cannot be interpreted within a comparative psychology framework. As the use of these preparations expand, the relevance of comparative psychology diminishes. © 2003 Wiley Periodicals, Inc. Dev Psychobiol 44: 21,25, 2004. [source]


    The changing prevalence of diagnosed diabetes and its associated vascular complications in a large region of the UK*

    DIABETIC MEDICINE, Issue 6 2010
    C. L. Morgan
    Diabet. Med. 27, 673,678 (2010) Abstract Aims, To characterize the prevalence of diabetes in a large health district in 2004 and compare it with a previous estimate made in 1996. Methods, The study population comprised the resident population of Cardiff and the Vale of Glamorgan. Routine record linkage was used to identify patients from various sources of hospital and mortality data. Patients with diabetes were identified according to biochemistry test results, coding on routine data or attendance at a diabetes-related clinic. Diabetes-related complications were ascribed according to coding on routine data. Results, It was possible to identify 17 088 people with diabetes alive on 1 January 2005. Of these patients, 9064 (53.0%) were male and 8024 (47.0%) were female. Mean age (± sd) was 59.6 ± 18.9 years for males and 61.2 ± 20.4 years for females. The crude prevalence of diabetes in 2005 was 3.9% (3.4% adjusted) compared with 2.5% in 1996 (2.3% adjusted). With the exception of females aged , 75 years, the prevalence of diabetes increased in all age- and sex-specific subgroups. Within the 2005 cohort, over two-thirds has no recorded complications compared with approximately one half of the 1996 cohort. The prevalence of individual complications decreased, with the exception of renal complications. Conclusions, The prevalence of identified diabetes appears to have increased substantially over a relatively short period of 9 years to 2004. The increase in prevalence was 46%, with an increase in numbers of patients with diabetes of 53%. A number of factors are likely to have contributed to this, including an increase in case ascertainment. [source]


    Salvage esophagectomy after definitive chemoradiotherapy for synchronous double cancers of the esophagus and head-and-neck

    DISEASES OF THE ESOPHAGUS, Issue 1 2010
    R. Yoshida
    SUMMARY Head-and-neck cancer is frequently associated with esophageal cancer. Because the operative procedures for these synchronous double cancers are too invasive, definitive chemoradiotherapy tends to be applied as an initial treatment. A salvage esophagectomy for either recurrent or residual disease after definitive chemoradiotherapy in patients with such double cancer has never been reported. We reviewed 21 patients with esophageal cancer who underwent a salvage esophagectomy after definitive chemoradiotherapy. Among them, the treatment course of five patients who underwent a salvage esophagectomy for patients with synchronous double cancers of the esophagus and head-and-neck region was analyzed. Because head-and-neck cancer was well controlled after chemoradiotherapy in all five patients, a salvage esophagectomy was indicated for either recurrent or residual esophageal cancer after definitive chemoradiotherapy. Anastomotic leakage developed in four patients; however, no other complications including pulmonary complications were recognized. All of them were discharged to home and three of them are still alive without any recurrence for 20,43 months. A salvage esophagectomy should be considered as a treatment option for either recurrent or residual esophageal cancer with well-controlled head-and-neck cancer after definitive chemoradiotherapy when complete resection of the esophagus is expected. [source]


    Lung transplantation in patients with connective tissue disorders and esophageal dysmotility

    DISEASES OF THE ESOPHAGUS, Issue 7 2008
    Warren J. Gasper
    SUMMARY., Lung and esophageal dysfunction are common in patients with connective tissue disease (CTD). Recent reports have suggested a link between pathologic gastroesophageal reflux and bronchiolitis obliterans syndrome (BOS) after lung transplant. Because patients with CTD have a high incidence of esophageal dysmotility and reflux, this group may be at increased risk of allograft dysfunction after lung transplantation. Little is known about antireflux surgery in these patients. Our aims were to describe: (i) the esophageal motility and reflux profile of patients with CTD referred for lung transplantation; and (ii) the safety and outcomes of laparoscopic fundoplication in this group. A retrospective review of 26 patients with CTD referred for lung transplantation between July 2003 and June 2007 at a single center. Esophageal studies included manometry and ambulatory 24-h pH monitoring. Twenty-three patients had esophageal manometry and ambulatory 24-h pH monitoring. Nineteen patients (83%) had pathologic distal reflux and 7 (30%) also had pathologic proximal reflux. Eighteen patients (78%) had impaired or absent peristalsis. Eleven of 26 patients underwent lung transplantation. Ten patients are alive at a median follow-up of 26 months (range 3,45) and one has bronchiolitis obliterans syndrome-1. Six patients had a laparoscopic fundoplication, 1 before transplantation and 5 after. All fundoplication patients are alive at median follow-up of 25 months (range 19,45). In conclusion, esophageal dysmotility and reflux are common in CTD patients referred for lung transplant. For this group, laparoscopic fundoplication is safe in experienced hands. [source]


    Long-term survivors of advanced esophageal cancer without surgical treatment: a multicenter questionnaire survey in Kyushu, Japan

    DISEASES OF THE ESOPHAGUS, Issue 3 2003
    S. Natsugoe
    SUMMARY Since the introduction of recent improvements in adjuvant therapy for esophageal cancer, some patients have demonstrated good prognosis. In the present study, we analyzed 3- and 5-year survivors of advanced esophageal cancer who did not undergo any surgical treatment. Between 1990 and 1998, 831 patients were admitted to 14 university hospitals and one cancer center associated with the membership of the Kyushu study group for adjuvant therapy of esophageal cancer. Twelve (1.4%) of the patients were 3-year survivors and 13 (1.6%) were 5-year survivors. The reasons for non-operation were refusal (eight patients), tumor-related factors (11 patients), and host-related factors (six patients). With a single exception, all patients had locally advanced tumors. Almost all long-term survivors had fewer than five lymph node metastases, in regions limited to the neck and/or mediastinum. Radiation therapy was combined with chemotherapy for 16 of the 25 patients, and chemotherapy-based cisplatin was used for 15 of these 16 patients. Fifteen of the patients remain alive; 10 died seven of them from esophageal cancer. Chemoradiation therapy was effective for some patients with locally advanced esophageal cancer, particularly in the absence of or with few lymph node metastases. To improve the prognosis of patients with advanced esophageal cancer who, for various causes, cannot undergo surgical treatment, a new protocol for adjuvant therapy is required. [source]


    Four ways towards tropical herbivore megadiversity

    ECOLOGY LETTERS, Issue 4 2008
    Thomas M. Lewinsohn
    Abstract Most multicellular species alive are tropical arthropods associated with plants. Hence, the host-specificity of these species, and their diversity at different scales, are keys to understanding the assembly structure of global biodiversity. We present a comprehensive scheme in which tropical herbivore megadiversity can be partitioned into the following components: (A) more host plant species per se, (B) more arthropod species per plant species, (C) higher host specificity of herbivores, or (D) higher species turnover (beta diversity) in the tropics than in the temperate zone. We scrutinize recent studies addressing each component and identify methodological differences among them. We find substantial support for the importance of component A, more tropical host species. A meta-analysis of published results reveals intermediate to high correlations between plant and herbivore diversity, accounting for up to 60% of the variation in insect species richness. Support for other factors is mixed, with studies too scarce and approaches too uneven to allow for quantitative summaries. More research on individual components is unlikely to resolve their relative contribution to overall herbivore diversity. Instead, we call for the adoption of more coherent methods that avoid pitfalls for larger-scale comparisons, for studies assessing different components together rather than singly, and for studies that investigate herbivore beta-diversity (component D) in a more comprehensive perspective. [source]


    Tagging effects on three non-native fish species in England (Lepomis gibbosus, Pseudorasbora parva, Sander lucioperca) and of native Salmo trutta

    ECOLOGY OF FRESHWATER FISH, Issue 2 2009
    S. Stak
    Abstract,,, To address the dearth of information on tagging effects and long-term survivorship of tagged fish in native and introduced species, laboratory and field investigations were undertaken on three non-native fish species (pumpkinseed Lepomis gibbosus; topmouth gudgeon Pseudorasbora parva; pikeperch Sander lucioperca) tagged with coded-wire (CW), passive integrated transponder (PIT), radio (RT) telemetry and/or acoustic tags (AT), with survivorship of native brown trout (Salmo trutta) examined in the field. Laboratory results revealed high survivorship following tag attachment/insertion and resumption of feeding within 24,48 h of tagging (all mortalities could be attributed to an unrelated outbreak of fungal infection), with retention rates being high in both pumpkinseed and pikeperch but low in topmouth gudgeon (excluded from field studies). In the field, short-term post-operation survival was high in pikeperch, pumpkinseed and brown trout. In pumpkinseed and trout, 100% of RT fish survived a 24,30 day tracking study, with 60% and 80%, respectively, recaptured alive at least 3 months post-tagging. Of PIT tagged pumpkinseed, 44% were recaptured (after 6,18 months), with small-sized, CW-tagged fish (0.38 g weight) captured up to 1 year after tagging. In pikeperch, all AT fish except one (the smallest specimen) survived their full expected tracking period (i.e. tag life) , the single lost specimen survived at least half of its expected tracking period (i.e. 6 month battery life). Overall, the tagging methods used were highly effective in pumpkinseed and pikeperch, showing good retention and survival, but PIT tagging of topmouth gudgeon was plagued by low survivorship and tag rejection. [source]


    Whole body extract of Mediterranean fruit fly males elicits high attraction in virgin females

    ENTOMOLOGIA EXPERIMENTALIS ET APPLICATA, Issue 1 2008
    Vassilis G. Mavraganis
    Abstract The search for effective female attractants emanating from the host or body of fruit flies has been an area of intensive research for over three decades. In the present study, bodies of male Mediterranean fruit flies, Ceratitis capitata (Wiedemann) (Diptera: Tephritidae), were extracted with diethyl ether or methanol and subjected to gas chromatography,mass spectrometry. Analysis revealed substantial qualitative and quantitative differences between males from a laboratory culture and wild males captured alive in an orchard. Most notably, the hydrocarbon sesquiterpene (±)-,-copaene, which is known to be involved in the sexual behaviour of the species, was found in substantial amounts in wild males, but was not detected in laboratory males. In laboratory tests, 15 laboratory or wild male equivalents of diethyl ether extracts or combined diethyl ether and methanol extracts, or, to a lesser extent, methanol extracts alone, were found to attract virgin females. In a citrus orchard, traps baited with combined diethyl ether and methanol extracts of wild males attracted significantly more virgin females than traps baited with various doses of pyranone or blends of other compounds identified in the extracts or reported in the literature, such as ethyl acetate, ethyl-(E)-3-octenoate, and 1-pyrroline. Traps baited with blends of compounds, however, displayed substantial attractiveness compared to control (non-baited) traps. These results are important for better understanding the mating system of C. capitata as well as for further improving existing monitoring and control systems. [source]


    Effects of a saxitoxin-producer strain of Cylindrospermopsis raciborskii (cyanobacteria) on the swimming movements of cladocerans

    ENVIRONMENTAL TOXICOLOGY, Issue 2 2008
    Aloysio da S. Ferrão Filho
    Abstract This study evaluated the effects of a saxitoxin-producer strain (T3) of the cyanobacteria species Cylindrospermopsis raciborskii on the swimming movements of three cladoceran species (Daphnia gessneri, D. pulex, and Moina micrura). Acute toxicity bioassays were designed to access the effects of T3 strain, of a nonsaxitoxin producer strain (NPLP-1) of the same species and of a raw water sample from Funil reservoir (Rio de Janeiro, Brazil), that contained this and other cyanobacteria. In the acute bioassays, animals were exposed to C. raciborskii filaments or Funil water for 24,48 h and then transferred to food suspensions without cyanobacterial filaments for a further 48 h. During the exposure time to T3 strain filaments there was a decrease in the number of swimming individuals, with animals showing progressive immobilization. The same effect was observed with Funil water sample. Animals stayed alive on the bottom of the test tube and recovered swimming movements when transferred to food suspensions without toxic cells. This effect was not observed with the strain NPLP-1. The cladoceran D. pulex showed to be extremely sensitive to T3 strain and to Funil water containing C. raciborskii filaments, showing complete paralysis after 24-h exposure to T3 cell densities of 103 and 104 cells mL,1, and after 24-h exposure to only 10% of raw water. However, D. gessneri was not sensitive to both T3 and to Funil water, whereas M. micrura was intermediate in sensitivity. This is the first report on the effects of cyanobacterial saxitoxins on movements of freshwater cladocerans, showing also difference in sensitivity among closely related Daphnia species. © 2008 Wiley Periodicals, Inc. Environ Toxicol, 2008. [source]


    Practice is alive with the sounds of horses

    EQUINE VETERINARY JOURNAL, Issue 3 2003
    F. J. DERKSEN
    No abstract is available for this article. [source]


    Human immunodeficiency virus-associated diffuse non-Hodgkin's lymphoma in Venezuelan patients: treatment with full-dose cyclophosphamide-doxorubicin-vincristine-prednisone without routine use of granulocyte-colony stimulating factor

    EUROPEAN JOURNAL OF CANCER CARE, Issue 5 2006
    D.E. HERNÀNDEZ md, phd
    The routine use of granulocyte-colony stimulating factor (G-CSF) for 10 days during full-dose cyclophosphamide-doxorubicin-vincristine-prednisone (CHOP) chemotherapy in HIV-associated diffuse non-Hodgkin's lymphoma (NHL) patients is very expensive in developing countries. We treated 22 HIV-associated diffuse NHL patients with standard-dose CHOP and used G-CSF after an episode of febrile neutropenia until neutrophil count reached 1000/mm3. The clinical response was: complete response (36%), partial response (32%), stable disease (14%) and progression (18%). There were no toxicity-related deaths. Grade 3 or 4 neutropenia was observed in 16% of cycles, but only 8% were complicated with febrile neutropenia. Seventeen patients died (median survival 15 months; range 2,70). There are five patients alive (median survival 24+ months; range 17,36+). Our experience showed that we can treat HIV-related NHL patients with full-dose CHOP, achieve good responses and have an acceptable toxicity profile, with the use of G-CSF as needed. [source]