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Delirium is a frequent complication in advanced cancer patients, among whom it is frequently underdiagnosed and inadequately treated. To date, evidence on risk factors and the prognostic impact of delirium on outcomes remains sparse in this patient population.
Method
In this prospective observational cohort study at a single tertiary-care center, 1,350 cancer patients were enrolled. Simple and multiple logistic regression models were utilized to identify associations between predisposing and precipitating factors and delirium. Cox proportional-hazards models were used to estimate the effect of delirium on death rate.
Results
In our patient cohort, the prevalence of delirium was 34.3%. Delirium was associated inter alia with prolonged hospitalization, a doubling of care requirements, increased healthcare costs, increased need for institutionalization (OR 3.22), and increased mortality (OR 8.78). Predisposing factors for delirium were impaired activity (OR 10.82), frailty (OR 4.75); hearing (OR 2.23) and visual impairment (OR 1.89), chronic pneumonitis (OR 2.62), hypertension (OR 1.46), and renal insufficiency (OR 1.82). Precipitating factors were acute renal failure (OR 7.50), pressure sores (OR 3.78), pain (OR 2.86), and cystitis (OR 1.32). On multivariate Cox regression, delirium increased the mortality risk sixfold (HR 5.66). Age ≥ 65 years and comorbidities further doubled the mortality risk of delirious patients (HR 1.77; HR 2.05).
Significance of results
Delirium is common in cancer patients and associated with increased morbidity and mortality. Systematically categorizing predisposing and precipitating factors might yield new strategies for preventing and managing delirium in cancer patients.
Although age and pre-existent dementia are robust risk factors for developing delirium, evidence for patients older than 90 years is lacking. Therefore, this study assesses the delirium prevalence rates and sequelae in this age group.
Method
Based on a Diagnostic and Statistical Manual (DSM)-5, Delirium Observation screening scale (DOS), and Intensive Care Delirium Screening Checklist (ICDSC) construct, in this prospective cohort study, the prevalence rates and sequelae of delirium were determined in 428 patients older than 90 years by simple logistic regressions and corresponding odds ratios (ORs).
Results
The overall prevalence delirium rate was 45.2%, with a wide range depending upon specialty: intermediate and intensive care services (83.1%), plastic surgery and palliative care (75%), neurology (72%), internal medicine (69%) vs. dermatology (26.5%), and angiology (14.5%). Delirium occurred irrespective of age and gender; however, pre-existent dementia was the strongest delirium predictor (OR 36.05). Delirious patients were less commonly admitted from home (OR 0.47) than from assisted living (OR 2.24), indicating functional impairment. These patients were more severely ill, as indicated by emergency (OR 3.25) vs. elective admission (OR 0.3), requirement for intensive care management (OR 2.12) and ventilation (OR 5.56–8.33). At discharge, one-third did not return home (OR 0.22) and almost half were transferred to assisted living (OR 2.63), or deceased (OR 47.76).
Significance of results
At age older than 90 years, the prevalence and sequelae of delirium are substantial. In particular, functional impairment and pre-existent dementia predicted delirium and subsequently, the loss of independence and death were imminent.
Patients with terminal illness are at high risk of developing delirium, in particular, those with multiple predisposing and precipitating risk factors. Delirium in palliative care is largely under-researched, and few studies have systematically assessed key aspects of delirium in elderly, palliative-care patients.
Methods
In this prospective, observational cohort study at a tertiary care center, 229 delirious palliative-care patients stratified by age: <65 (N = 105) and ≥65 years (N = 124), were analyzed with logistic regression models to identify associations with respect to predisposing and precipitating factors.
Results
In 88% of the patients, the underlying diagnosis was cancer. Mortality rate and median time to death did not differ significantly between the two age groups. No inter-group differences were detected with respect to gender, care requirements, length of hospital stay, or medical costs. In patients ≥65 years, exclusively predisposing factors were relevant for delirium, including hearing impairment [odds ratio (OR) 3.64; confidence interval (CI) 1.90–6.99; P < 0.001], hypertension (OR 3.57; CI 1.84–6.92; P < 0.001), and chronic kidney disease (OR 4.84; CI 1.19–19.72; P = 0.028). In contrast, in patients <65 years, only precipitating factors were relevant for delirium, including cerebral edema (OR 0.02; CI 0.01–0.43; P = 0.012).
Significance of results
The results of this study demonstrate that death in delirious palliative-care patients occurs irrespective of age. The multifactorial nature and adverse outcomes of delirium across all age in these patients require clinical recognition. Potentially reversible factors should be detected early to prevent or mitigate delirium and its poor survival outcomes.
Delirium is a common complication in palliative care patients, especially in the terminal phase of the illness. To date, evidence regarding risk factors and prognostic outcomes of delirium in this vulnerable population remains sparse.
Method
In this prospective observational cohort study at a tertiary care center, 410 palliative care patients were included. Simple and multiple logistic regression models were used to identify associations between predisposing and precipitating factors and delirium in palliative care patients.
Results
The prevalence of delirium in this palliative care cohort was 55.9% and reached 93% in the terminally ill. Delirium was associated with prolonged hospitalization (p < 0.001), increased care requirements (p < 0.001) and health care costs (p < 0.001), requirement for institutionalization (OR 0.11; CI 0.069–0.171; p < 0.001), and increased mortality (OR 18.29; CI 8.918–37.530; p < 0.001). Predisposing factors for delirium were male gender (OR 2.19; CI 1.251–3.841; p < 0.01), frailty (OR 15.28; CI 5.885–39.665; p < 0.001), hearing (OR 3.52; CI 1.721–7.210; p < 0.001), visual impairment (OR 3.15; CI 1.765–5.607; p < 0.001), and neoplastic brain disease (OR 3.63; CI 1.033–12.771; p < 0.05). Precipitating factors for delirium were acute renal failure (OR 6.79; CI 1.062–43.405; p < 0.05) and pressure sores (OR 3.66; CI 1.102–12.149; p < 0.05).
Significance of results
Our study identified several predisposing and precipitating risk factors for delirium in palliative care patients, some of which can be targeted early and modified to reduce symptom burden.
This cross-sectional survey examined changes in perceived relationships and sexual activity in a sample of thyroid cancer patients and their partners, taking into account sociodemographic and disease-related variables, as well as such outcome measures as anxiety, depression, fatigue, and quality of life (QoL).
Method:
A total of 38 patients with thyroid cancer who were being treated at the department of nuclear medicine in Zürich or Lucerne over the preceding seven years, as well as their partners, completed questionnaires about the quality of their relationships (RQ), about perceptions of changes in their relationships, and about their frequency of sexual activity. They also filled out prevalidated questionnaires related to anxiety, depression, fatigue, and QoL.
Results:
Some 17 patients (44.7%) and 16 partners (42.1 %) reported that the cancer diagnosis had changed their relationships. Of these, 10 (26.3%) patients and 9 (23.7%) partners reported positive changes only, while 7 patients (18.4%) and 7 partners (18.4%) reported mixed or negative changes. A perceived mixed/negative relationship change was associated with increased depression and lower RQ in patients and partners, as well as with increased anxiety in patients. While the frequency of sexual activity only changed in roughly half of patients and partners (16 patients [42.1%] and 20 partners [52.6%]), increased sexual activity was associated with lower physical QoL scores and a higher depression score than in counterparts who reported no change.
Significance of Results:
Compared to other cancer sites, in our sample thyroid cancer had a relatively small impact on patient–partner relationships and levels of intimacy. We found that screening patients and their partners with a simple question—“Did the diagnosis of cancer change your relationship?”—can lead to early detection of couples who are potentially at risk for perceived negative relationship changes and can facilitate timely psychosocial referral for couple's therapy.
THIS PAPER TRACES the origin and early history of the three digraphs <th>, <ch> and <uu> in early Old English and in some of the Continental Germanic languages. Today, the digraphs form part of the graphemic systems of various European languages. Their creation and application in the Early Middle Ages hence represents an important graphemic innovation, which has permanently solved some of the problems arising in the process of creating orthographic systems for the vernacular languages with the Latin alphabet – despite the fact that the transmission of the digraphs from the Early Middle Ages to the Modern Era did not proceed in a straightforward line. By way of an introduction, I will briefly describe the distribution and use of the three digraphs in the orthographies of modern European languages, which, to some extent, still reflect the areas in which the digraphs were used in the Early Middle Ages. I will then provide a detailed account of their use in Old English of the eighth century. It has been suggested that Irish influence is responsible for the use of <th> for a dental fricative and of <ch> for a palatal/velar fricative in Old English. While Irish influence should certainly not be underestimated, there is stronger evidence, as I argue, for attributing the origin of the digraphs to the Merovingian Franks or, more precisely, to the spellings used for Frankish names in Latin charters. The Merovingian hypothesis is strengthened by the fact that the same graphs were also adopted into Old High German writing. The adoption of the digraphs, however, should not be envisaged as a process of straightforward borrowing, but rather as an independent reinterpretation and extension based on a perception of the graphs as essentially Latin spellings. Thus, the paper highlights the complex relationship of the spelling systems of the early medieval vernaculars and Latin, the ‘father tongue’ of the Middle Ages. On a theoretical level, it yields some insights into the general mechanisms of graphemic change in non-standardised scriptae.
Medieval Europe was characterized by a sophisticated market for the production, exchange and sale of written texts. This volume brings together papers on a range of topics, centred on manuscript studies and textual criticism, which explore these issues from a pan-European perspective. They examine the prolonged and varied processes through which Europe's different parts entered into modern reading, writing and communicative practices, drawing on a range of approaches and perspectives; they consider material culture, multilingualism in texts and books, book history, readers, audience and scribes across the Middle Ages.
Dr Aidan Conti teaches in the Department of Linguistic, Literary and Aesthetic Studies, University of Bergen; Dr Orietta Da Rold teaches in the Faculty of English, University of Cambridge; Dr Philip Shaw teaches at the School of English, University of Leicester.
Contributors: Rolf H. Bremmer Jr, Stewart Brookes, Aidan Conti, Orietta Da Rold, Helen Fulton, Marilena Maniaci, Debora Matos, Annina Seiler, Peter A. Stokes, Nadia Togni, Svetlana Tsonkova, Matilda Watson, George Younge.
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