11 research outputs found

    Plasma gut hormone levels in 37 patients with pheochromocytomas

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    Pheochromocytomas are usually recognized by the effects of overproduction of catecholamines, but there are clinical features that cannot be ascribed to catecholamine excess that may be due to vasoactive peptides. We, therefore, measured blood levels of vasoactive intestinal peptides (VIP), substance P, somatostatin (SS), and motilin in 50 instances in 37 patients with pheochromocytomas-21 malignant, 10 benign intra-adrenal, and 6 ectopic (5 paracardial and 1 perirenal). Hormone levels were considered raised if the level was more than 3 S.D. above the mean value found in 52 healthy subjects. Of the 37 patients, 20 (54%) had an abnormality in 1 or more gut hormone levels. The most common abnormality was a raised SS in 9/37 (24%). In addition to these, however, 3 (8%) others had raised VIP, 5 (13.5%) raised motilin, and 3 (8%) raised substance P. Patients with benign adrenal adenomas had raised levels of SS and substance P. Ectopic pheochromocytomas produced only SS in addition to catecholamines, but malignant pheochromocytomas could secrete all 4 peptides, and more than 1 in the same patient. We conclude that pheochromocytomas may secrete multiple vasoactive peptides, and they are more likely to do so if malignant. Somatostatin is the most commonly secreted peptide and is found with benign adrenal and ectopic (paracardiac) tumors. If the level of more than 1 peptide is elevated, the likelihood of malignancy is significantly increased . Les phéochromocytomes sont généralement déceléspar les effets dûs à la surproduction de catécholamines, mais certains troubles ne peuvent être attribués à ce phénomène et relèvent peut être de l'action de peptides vasoactifs. Les auteurs se sont donc attachés à doser dans le sang le VIP, la substance P, la somatostatine (SS), et la motiline. Ces dosages furent pratiqués 50 fois chez 37 malades porteurs de phéochromocytomes: 21 malins, 10 bénins et 6 ectopiques (5 paracardiaque et 1 péri-rénal). Les taux des hormones furent considérés comme élevés lorsque leur niveau fut supérieur à plus de 3 fois le taux de 52 sujets sains. Sur les 37 malades 20 (54%) présentaient un excès d'une ou de plusieurs hormones digestives. L'anomalie constatée la plus fréquente fut l'élévation de la SS (9 fois sur 37 soit 24%). Ajoutée à ce fait fut l'élévation de la VIP chez 3 sujets (8%), de la motiline chez 5 (13.5%) et de la substance P chez 3 (8%). Les phéochromocytomes bénins surrénaliens présentaient à la fois une élévation du taux de la SS et de la substance P. Les phéochromocytomes ectopiques en revanche présentaient seulement une élévation de la SS. Les phéochromocytomes malins pouvaient sécréter les 4 peptides ou plus d'un chez le même malade. En conclusion les phéochromocytomes peuvent secréter de multiples peptides vasoactifs et plus particulièrement lorsqu'ils sont malins. La SS est la substance qui est la plus souvent secrétée et elle est trouvée dans les tumeurs bénignes surrénaliennes ou ectopiques. Si plus d'une de ces substances est produite en excès les risques de malignité de la tumeur sont significativement plus importants. Los feocromocitomas generalmente son diagnosticados por los efectos del exceso de producción de catecolaminas pero hay características clínicas que no pueden ser atribuidas al exceso de catecolaminas y que pueden ser más bien manifestación de péptidos vasoactivos. Hemos establecido los niveles sanguíneos del péptido intestinal vasoactivo (VIP), de la sustancia P, de la somatostatina (SS), y de la motilina en 50 determinaciones en 37 pacientes con feocromocitomas; 21 malignos, 10 benignos intra-adrenales, y 6 ectópicos (5 paracardiales y 1 perirrenal). Se consideró que los niveles hormonales estaban elevados cuando el nivel era de más de 3 de desviación estandar sobre el valor promedio en 52 individuos normales. De 37 pacientes, 20 (54%) presentaron un valor anormal en 1 o más determinaciones del nivel de hormonas intestinales. La anormalidad más común fue la elevación de la SS en 9/37 (24%). Además de esto, sinembargo, otros 3 (8%) presentaban elevación de VIP, 5 (13.5%) elevación de sustancia P. Los adenomas suprarrenales benignos exhibieron niveles elevados de SS y de sustancia P. Los feocromocitomas ectópicos demostraron producción sólo de SS además de catecolaminas, pero los feocromocitomas malignos demostraron ser capaces de secretar todos los 4 péptidos, y más de 1 en el mismo paciente. Hemos llegado a la conclusión de que los feocromocitomas pueden secretar múltiples peptidos vasoactivos y que ésto tiende a ocurrir cuando son malignos. La SS es el péptido más frecuentemente secretado y se lo encuentra en los tumores suprarrenales benigno y ectópico (paracardiacos). Si se encuentran niveles elevados de más de 1 péptido, la posibilidad de malignidad aparece significativamente aumentada.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/41274/1/268_2005_Article_BF01655534.pd

    Communicative challenges in the home care of older persons - a qualitative exploration

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    AIM: To explore communicative challenges in encounters between nurse assistants and older persons during home care visits. BACKGROUND: The older population is increasing worldwide. Currently, there is a shift in care for older people from institutional care to home care. Providing home care in a person's home involves several challenges, including the complexity of communication. DESIGN: A descriptive observational design with a qualitative approach was used. METHODS: The data consisted of audio recordings of real-life encounters during home care visits between nurse assistants and older persons, collected in 2014. A hermeneutic phenomenological analysis was conducted. RESULTS: Communicative challenges were identified: (a) in situations where the older persons had a different view than the nurse assistants on the care task and its content; and (b) when unexpected actions or turns occurred in the communication. Challenges included older person's existential issues, fragility and worries and concerns, which often appeared to be only vaguely expressed and difficult to verbally detect and tackle. This engendered a risk of misinterpretation or ignorance of these challenges. CONCLUSION: The findings point to the importance of communication as the key to facilitate person-centred home care. Communication training should focus more on addressing needs and existential issues in older persons. Person-centred home care for older persons needs to be addressed at both an individual and an organizational level

    Registered nurse-patient communication research: An integrative review for future directions in nursing research.

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    AIM: To explore communication research in nursing by investigating the theoretical approaches, methods, content and perspectives in research on real-time registered nurse (RN)-patient communication. DESIGN: An integrative review of real-time communication between RNs and patients. DATA SOURCES: Empirical research papers were searched in PubMed, CINAHL Plus and Medline. The results from the database searches were supplemented with results from manual searches in reference lists. REVIEW METHODS: A total of 1369 articles published between January 1996 and December 2021 were screened, which resulted in the inclusion of 52 articles. RESULTS: The integration of various theories, such as nursing or communication theories, is weak in most of the included studies. RN-patient communication appears to influence relationship building. Even when nurses strive to meet patients' needs, they often focus primarily on nursing routines and physical care. The topic of the communication varies depending on the situation and different communication styles are used. When a patient-centred approach is adopted, the interpersonal communication becomes quite symmetrical, with complementary roles of nurses and patients. Within a more asymmetric communication context, nurses dominate communication, choose topics and function as instructors. How the nurses communicated subsequently influenced the patients' communication styles and strategies. CONCLUSION: Communication is multifaceted, contains different strategies and is important for building trust and facilitating patient-centred care. The importance of RNs' communication for interaction and relationship-building seems to be well established within research, but few studies focused on patients' communication with RNs. IMPACT: This integrative review gives an overview of the width and depth of observational studies on RN-patient communication research. The variety of studies indicates that this area is a less well-grounded field of research. Future research is warranted to support nurses in their communication, especially regarding the exploration of patients' communication and desired communication skills in nurse-patient interactions. PATIENT OR PUBLIC CONTRIBUTION: No patient or public contribution was included in this integrative review

    Emotional communication with older people: a cross-sectional study of home care.

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    Objective The aim of this study was to explore the influence of characteristics of nurses and older people on emotional communication in home care settings. Method A generalized, linear, mixed model was used to analyze 188 audio‐recorded home care visits coded with Verona Coding Definitions of Emotional Sequences. Results The results showed that most emotional distress was expressed by older females or with female nurses. The elicitation of an expression of emotional distress was influenced by the nurses' native language and profession. Older women aged 65–84 years were given the most space for emotional expression. We found that emotional communication was primarily influenced by sex for nurses and older people, with an impact on the frequency of expressions of and responses to emotional distress. Expressions of emotional distress by older males were less common and could risk being missed in communication. Conclusion The results have implications for students' and health professionals' education in increasing their knowledge of and attentiveness to the impacts of their and others' characteristics and stereotypes on emotional communication with older people

    Emotional communication in home care: a comparison between Norway and Sweden.

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    Objective Given the free movement of workers across countries, knowledge regarding communicationdifferences between countries is imperative. In this study, we explored and compared the supportiveresponses of nursing staff to older persons’ emotions in home care in Norway and Sweden. Methods The study had an observational, cross-sectional, comparative design, which included 383audio-recorded home-care visits. Communication was coded using Verona Coding Definitions ofEmotional Sequences. Worries and responses were categorised with regard to reference, communicativefunction and level of person-centredness. Standard statistical tests were used to analyse the data. Results The Swedish nursing staff provided space for further disclosure of worry more frequently thanthe Norwegian nursing staff (75.0 % versus 60.2 %, χ2 = 20.758, p < 0.01). In all, 65 % of the responses weresupportive. Multiple logistic regression analyses showed that highly person-centred responses wereindependently associated with worries phrasing an emotion, OR (95 % CI) 3.282 (1.524–7.067). Conclusion The level of person-centredness was associated with the way in which older personsexpressed their distress. The Swedish nursing staff provided opportunities for further disclosure ofworries more frequently than the Norwegian nursing staff. Practice implications Findings of intercultural differences should be incorporated into the training ofnursing staff

    Effects of topical budesonide on epithelial restitution in vivo in guinea pig trachea.

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    BACKGROUND--Continuous epithelial shedding and restitution processes may characterise the airways in diseases such as asthma. Epithelial restitution involves several humoral and cellular mechanisms that may potentially be affected by inhaled anti-asthma drugs. The present study examines the effect of a topical steroid on epithelial restitution in vivo in the guinea pig. METHODS--The airway epithelium was mechanically removed from well defined areas of guinea pig trachea without surgery and without damage to the basement membrane or bleeding. An anti-inflammatory dose of budesonide (1 mg) was administered repeatedly to the tracheal surface by local superfusion 24 hours before, at (0 hours), and 24 hours after the denudation. Migration of epithelial cells, formation of a plasma exudation-derived gel, and appearance of luminal leucocytes were recorded by scanning electron microscopy. Cell proliferation was visualised by bromodeoxyuridine immunohistochemistry and tissue neutrophils and eosinophils by enzyme histochemistry. RESULTS--Immediately after creation of the denuded zone ciliated and secretory cells on its border dedifferentiated, flattened out, and migrated speedily (mean (SE) 2.3 (0.3) micron/min) over the basement membrane. After 48 hours the entire denuded zone (800 microns wide) was covered by a tightly sealed epithelium; at this time increased proliferation was observed in new and old epithelium and subepithelial cells. Budesonide had no detectable effect on epithelial dedifferentiation, migration, sealing, or proliferation. Immediately after denudation and continuously during the migration phase plasma was extravasated creating a fibrinous gel rich in leucocytes, particularly neutrophils, over the denuded area. Budesonide had no effect on either the gel or the leucocyte density. CONCLUSIONS--These observations suggest that topical glucocorticoids may not interfere with a fast and efficient restitution of the epithelium in the airways

    Phospholipid biosynthesis in mammalian cells

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