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1.
Palliat Med Rep ; 5(1): 116-121, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38560745

RESUMO

Background: Fatigue is a common and distressing symptom for palliative care patients. Although the current literature emphasizes nonpharmacological management, dexamethasone is reportedly used in clinical practice. This study helps to characterize its use, efficacy, and adverse effects in a real-world setting. Objective: To improve the evidence base by exploring the use, efficacy, and side effect profile of dexamethasone for fatigue management. Methods: This international multisite prospective observational case series assessed the benefit and adverse effects of dexamethasone at baseline (T0) and at five to seven days postbaseline (T1). Fatigue scores were assessed using the symptom assessment scale (SAS) and visual analogue fatigue scale (VAFS). Adverse events were graded using the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE). The related samples Wilcoxon signed-rank test was used to compare before and after scores. Results: All 18 patients (male-female, 11:7) had advanced metastatic cancer with most in the deteriorating palliative care phase (56%). The most common dose of dexamethasone was 4 mg daily orally. At T1 (n = 12), improvement was seen in all measures of fatigue; the median SAS scores decreased from 7 to 5.5 (p = 0.007), the median VAFS scores increased from 3 to 5 (p = 0.126), and the median NCI-CTCAE fatigue scores were reduced from 3 to 2.5 (p = 0.18). Dexamethasone was well tolerated; one participant experienced grade 3 delirium. Conclusion: The small number of participants recruited for this study suggests that dexamethasone is not widely used specifically for fatigue. Our results suggest an improvement in fatigue scores from T0 to T1.

2.
J Pain Symptom Manage ; 67(3): 212-222.e1, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38036114

RESUMO

OBJECTIVE: Gabapentin is commonly used to treat pain in children receiving pediatric palliative care. This study describes the real-world use of gabapentin and the associated benefits and adverse effects/events (AEs). METHODS: A prospective, multicenter cohort of standardized data collection after a clinical decision was made to use gabapentin for managing neuropathic or nociplastic pain in children attended on by a pediatric palliative care service. It was conducted across 11 sites in seven countries including hospital, inpatient, and outpatient services. Clinical outcomes were graded using pain scales validated for age and cognitive ability and the National Cancer Institute Common Terminology Criteria for Adverse Events (NCICTCAE) at baseline, 14 days, 28 days, six weeks and 12 weeks after initiation of gabapentin. Ad-hoc safety reporting continued throughout the study. RESULTS: Data were collected from 127 children with a median age of 4.7 years (IQR 0.1-17.9); 61% had a neurological disorder, 21% advanced cancer and the cohort had a high level of disability (Lansky/Karnofsky performance score 37.1). Gabapentin was prescribed at standard pediatric doses. On average, 76% of children had a reduction in pain and 42% experienced a potential AE. The mean pain score decreased from 6.0 (SD 2.6) at baseline to 3.3 (SD 2.4) at 14 days and 1.8 (SD 1.8) after 12-weeks of gabapentin therapy. Ten percent had increased pain at each time point. AEs did not increase when individual changes over time were accounted for except for somnolence (7%). Serious AEs attributable to gabapentin were possible or probable in 3% of children. CONCLUSIONS: Gabapentin prescribed at standard doses for advanced cancer and severe neurological injury in children under a pediatric palliative care service was associated with generally improved pain intensity at previously described levels of adverse effects.


Assuntos
Ácidos Cicloexanocarboxílicos , Neuralgia , Humanos , Criança , Lactente , Pré-Escolar , Adolescente , Gabapentina/uso terapêutico , Analgésicos , Cuidados Paliativos , Estudos Prospectivos , Aminas/uso terapêutico , Aminas/efeitos adversos , Ácido gama-Aminobutírico/uso terapêutico , Ácido gama-Aminobutírico/efeitos adversos , Ácidos Cicloexanocarboxílicos/uso terapêutico , Ácidos Cicloexanocarboxílicos/efeitos adversos , Neuralgia/induzido quimicamente
3.
J Anal Psychol ; 69(1): 140-142, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38115238
4.
Artigo em Inglês | MEDLINE | ID: mdl-36357164

RESUMO

OBJECTIVES: To describe the contemporary real-world use of cyclizine for nausea or vomiting, and the associated benefits and harms. METHODS: This was a prospective, consecutive case series of routine clinical use of cyclizine for nausea or vomiting in palliative care conducted across 19 sites in Australia, Aotearoa/New Zealand and the UK. Clinical outcomes were graded using the National Cancer Institute Common Terminology Criteria for Adverse Events at baseline and 72 hours after initiation of cyclizine. Ad hoc safety reporting continued for 2 weeks. RESULTS: Data were collected from 101 patients between May 2018 and December 2020. Cyclizine was mostly used in combination with another antiemetic. Overall, 79 patients benefited and 32 experienced harm (56 had benefit without harm; 9 had harm without benefit). The most common harms were constipation (13%), somnolence (9%) and confusion (7%), adding to the already high rates of these symptoms at baseline. For the four patients with serious harms (grade ≥3), these were exacerbations of existing symptoms. Nine patients stopped cyclizine at 72 hours and a further 20 patients within 2 weeks. The most common reasons for stopping were lack of benefit and symptom resolution; none stopped because of harms. CONCLUSIONS: When used as described in a palliative care setting, cyclizine benefits about three-quarters of patients, with about one-third experiencing tolerable harms.

5.
Hosp Pediatr ; 12(11): e387-e392, 2022 11 01.
Artigo em Inglês | MEDLINE | ID: mdl-36300339

RESUMO

OBJECTIVES: To describe sexual behaviors and acceptability of receiving sexual and reproductive health (SRH) services among hospitalized adolescent males. METHODS: We performed a cross-sectional survey of hospitalized adolescents. Eligible participants were males aged 14 to 20 years admitted at 2 academic medical centers. Outcome measures included reported healthcare utilization, sexual health behaviors (eg, sexual activity), contraception use, and acceptability of SRH discussions during a hospitalization. RESULTS: Among 145 participants, 42% reported a history of vaginal sex, 27% current sexual activity, 12% early sexual debut, and 22% 4 or more prior sexual partners. At last sex, condom use was reported by 63% and use of reversible contraception by 36%. Nearly half (45%) agreed that hospital-based SRH discussions were acceptable, particularly among those with history of sexual activity (P < .01). Some (12%) reported they had not accessed care in the past year when they felt they should. CONCLUSIONS: Hospitalized males in our study had similar rates of sexual activity as compared with the general population but had higher rates of early sexual debut and number of prior partners, which are independently linked with negative sexual health outcomes (eg, sexually transmitted infections). Our participants found SRH discussions to be generally acceptable. These findings reveal opportunities to screen for unmet SRH needs and provide SRH education and services for adolescent males in the hospital.


Assuntos
Adolescente Hospitalizado , Saúde Reprodutiva , Adolescente , Masculino , Feminino , Humanos , Saúde Reprodutiva/educação , Estudos Transversais , Comportamento Sexual , Hospitalização
6.
Palliat Med ; 36(8): 1273-1284, 2022 09.
Artigo em Inglês | MEDLINE | ID: mdl-36062724

RESUMO

BACKGROUND: Theory-based and qualitative evaluations in pilot trials of complex clinical interventions help to understand quantitative results, as well as inform the feasibility and design of subsequent effectiveness and implementation trials. AIM: To explore patient, family, clinician and volunteer ('stakeholder') perspectives of the feasibility and acceptability of a multicomponent non-pharmacological delirium prevention intervention for adult patients with advanced cancer in four Australian palliative care units that participated in a phase II trial, the 'PRESERVE pilot study'. DESIGN: A trial-embedded qualitative study via semi-structured interviews and directed content analysis using Michie's Behaviour Change Wheel and the Theoretical Domains Framework. SETTING/PARTICIPANTS: Thirty-nine people involved in the trial: nurses (n = 17), physicians (n = 6), patients (n = 6), family caregivers (n = 4), physiotherapists (n = 3), a social worker, a pastoral care worker and a volunteer. RESULTS: Participants' perspectives aligned with the 'capability', 'opportunity' and 'motivation' domains of the applied frameworks. Of seven themes, three were around the alignment of the delirium prevention intervention with palliative care (intervention was considered routine care; intervention aligned with the compassionate and collaborative culture of palliative care; and differing views of palliative care priorities influenced perspectives of the intervention) and four were about study processes more directly related to adherence to the intervention (shared knowledge increased engagement with the intervention; impact of the intervention checklist on attention, delivery and documentation of the delirium prevention strategies; clinical roles and responsibilities; and addressing environmental barriers to delirium prevention). CONCLUSION: This theory-informed qualitative study identified multiple influences on the delivery and documentation of a pilot multicomponent non-pharmacological delirium prevention intervention in four palliative care units. Findings inform future definitive studies of delirium prevention in palliative care.Australian New Zealand Clinical Trials Registry, ACTRN12617001070325; https://www.anzctr.org.au/Trial/Registration/TrialReview.aspx?id=373168.


Assuntos
Delírio , Neoplasias , Adulto , Austrália , Delírio/prevenção & controle , Humanos , Neoplasias/complicações , Cuidados Paliativos , Projetos Piloto
7.
Palliat Med ; 36(9): 1408-1417, 2022 10.
Artigo em Inglês | MEDLINE | ID: mdl-36113139

RESUMO

BACKGROUND: Paracentesis is commonly undertaken in patients with cancer-related ascites. AIM: To systematically investigate the symptomatic benefits and harms experienced by patients with cancer undergoing paracentesis using real-world data in the palliative care setting. DESIGN: Prospective, multisite, observational, consecutive cohort study. Benefits and harms of paracentesis were assessed between 01/07/2018 and 31/02/2021 as part of routine clinical assessments by treating clinicians at four timepoints: (T0) before paracentesis; (T1) once drainage ceased; (T2) 24 h after T1 and (T3) 28 days after T1 or next paracentesis, if sooner. SETTING/PARTICIPANTS: Data were collected from 11 participating sites across five countries (Australia, England, Hong Kong, Malaysia and New Zealand) on 111 patients undergoing paracentesis via a temporary (73%) or indwelling (21%) catheter: 51% male, median age 69 years, Australia-modified Karnofsky Performance Score 50. RESULTS: At T1 (n = 100), symptoms had improved for most patients (81%), specifically abdominal distension (61%), abdominal pain (49%) and nausea (27%), with two-thirds experiencing improvement in ⩾2 symptoms. In the remaining patients, symptoms were unchanged (7%) or worse (12%). At least one harm occurred in 32% of patients, the most common being an ascitic leak (n = 14). By T3, 89% of patients had experienced some benefit and 36% some harm, including four patients who experienced serious harm, one of which was a fatal bowel perforation. CONCLUSION: Most patients obtained rapid benefits from paracentesis. Harms were less frequent and generally mild, but occasionally serious and fatal. Our findings help inform clinician-patient discussions about the potential outcomes of paracentesis in this frail population.


Assuntos
Neoplasias , Paracentese , Humanos , Masculino , Idoso , Feminino , Ascite/etiologia , Ascite/terapia , Cuidados Paliativos , Estudos Prospectivos , Estudos de Coortes , Neoplasias/complicações , Neoplasias/terapia
8.
Br J Hosp Med (Lond) ; 83(6): 1-5, 2022 Jun 02.
Artigo em Inglês | MEDLINE | ID: mdl-35787175

RESUMO

The World Health Organization draft global action plan aims to strengthen health services for asylum seekers and refugees in host countries. Addressing the healthcare needs of this population can be daunting but healthcare professionals can have a hugely positive impact by providing high quality, trauma-informed care and understanding the barriers these people may face in accessing care. This editorial unpicks the complexities healthcare professionals face when working with this vulnerable group.


Assuntos
Refugiados , Migrantes , Acesso aos Serviços de Saúde , Humanos
9.
Palliat Med ; 36(5): 830-840, 2022 05.
Artigo em Inglês | MEDLINE | ID: mdl-35531661

RESUMO

BACKGROUND: Palliative populations are at risk for dehydration which can cause discomfort, distress and cognitive symptoms. Subcutaneous hydration ('hypodermoclysis') has been used as an alternative administration route to the more invasive intravenous route, but research is lacking on its net clinical effects (harms and benefits) for palliative populations, particularly in real world settings. AIM: To quantify prospectively the net clinical effects of hypodermoclysis in palliative patients with advanced disease who required supplementary fluids. DESIGN: Multisite, multinational consecutive cohort study. SETTING/PARTICIPANTS: Patients receiving hypodermoclysis in an inpatient palliative care setting. RESULTS: Twenty sites contributed data for 99 patients, of which 88 had complete benefits and harms data. The most common primary target symptom for infusion was generalised weakness (18.2%), and the most common non-symptom indication was supplemental hydration (31.8%). Benefits were experienced in 33% of patients in their primary target symptom, and in any symptom in 56.8%. Harms were experienced in 38.7% of patients (42% at Grade 1). Benefits increased with higher performance status, while harms were more frequent in patients with lower performance status (Australia-modified Karnofsky performance status ⩽40). Patients in the terminal phase of their illness experienced the least benefit (15.4% in any indication only) and had more frequent harms (38%). CONCLUSIONS: Hypodermoclysis may improve certain symptoms in patients in palliative care but frequency of harms and benefits may differ at certain timepoints in the illness trajectory. Further research is needed to better delineate which patients will derive the most net clinical benefit from hypodermoclysis.


Assuntos
Enfermagem de Cuidados Paliativos na Terminalidade da Vida , Hipodermóclise , Estudos de Coortes , Humanos , Hipodermóclise/psicologia , Cuidados Paliativos/psicologia
10.
Palliat Med ; 36(6): 938-944, 2022 06.
Artigo em Inglês | MEDLINE | ID: mdl-35403513

RESUMO

BACKGROUND: Real-world effectiveness of interventions in palliative care need to be systematically quantified to inform patient/clinical decisions. Neuropathic pain is prevalent and difficult to palliate. Tricyclic antidepressants have an established role for some neuropathic pain aetiologies, but this is less clear in palliative care. AIM: To describe the real-world use and outcomes from amitriptyline or nortriptyline for neuropathic pain in palliative care. DESIGN: An international, prospective, consecutive cohort post-marketing/phase IV/pharmacovigilance/quality improvement study of palliative care patients with neuropathic pain where the treating clinician had already made the decision to use a tricyclic antidepressant. Data were entered at set times: baseline, and days 7 and 14. Likert scales graded benefits and harms. SETTING/PARTICIPANTS: Twenty-one sites (inpatient, outpatient, community) participated in six countries between June 2016 and March 2019. Patients had clinician-diagnosed neuropathic pain. RESULTS: One hundred and fifty patients were prescribed amitriptyline (110) or nortriptyline (40) of whom: 85% had cancer; mean age 73.2 years (SD 12.3); mean 0-4 scores for neuropathic pain at baseline were 1.8 (SD 1.0). By day 14, doses of amitriptyline were 57 mg (SD 21) and nortriptyline (48 mg (SD 21). Fifty-two (34.7%) patients had pain improvement by day 14 (amitriptyline (45/110 (43.3%); nortriptyline (7/40 (18.9%)). Thirty-nine (27.7%) had new harms; (amitriptyline 29/104 (27.9%); nortriptyline 10/37 (27.0%); dizziness (n = 23), dry mouth (n = 20), constipation (n = 14), urinary retention (n = 10)). Benefits without harms occurred (amitriptyline (26/104 (25.0%); nortriptyline (4/37 (10.8%)). CONCLUSIONS: Benefits favoured amitriptyline while harms were similar for both medications.


Assuntos
Hospitais para Doentes Terminais , Neuralgia , Idoso , Amitriptilina/uso terapêutico , Antidepressivos Tricíclicos/uso terapêutico , Humanos , Neuralgia/tratamento farmacológico , Neuralgia/etiologia , Nortriptilina/uso terapêutico , Cuidados Paliativos , Farmacovigilância , Estudos Prospectivos
11.
Palliat Med ; 36(5): 855-865, 2022 05.
Artigo em Inglês | MEDLINE | ID: mdl-35287496

RESUMO

BACKGROUND: Globally, pioneers in children's palliative care influenced this speciality's development through individual initiatives leading to diverse models of care. Children's and young adults' hospices have now been established around the world. However, service provision varies widely leading to inequities both within countries and internationally. AIM: To describe and classify existing approaches to paediatric palliative medicine in children's and young adults' hospices across the UK. DESIGN: A mixed methods study conducted by telephone interview. SETTING/PARTICIPANTS: Thirty-one leaders of children's hospice care, representing 28 services, 66% of UK children's and young adults' hospice organisations. RESULTS: A geographic-specialist classification was developed through integration of findings, enabling hospices to be classified as Regional specialist, Regional non-specialist, Local specialist and Local non-specialist. Both qualitative and quantitative data demonstrated diversity and inequity in paediatric palliative medicine provision. Of 159 doctors (63.5% of whom were general practitioners) working in participating hospices only 27.5% had specialist training in paediatric palliative medicine. The majority of participating hospices (67.9%) did not have involvement from a paediatric palliative medicine consultant. CONCLUSIONS: Internationally, the integration of specialist children's palliative care teams with existing services is a current challenge. Despite differing approaches to children's palliative care world-wide, models of care which facilitate integration of specialist children's palliative care could benefit a range of countries and contexts. The geographic-specialist classification could be used to inform recommendations for a networked approach to paediatric palliative medicine within children's and young adults' hospices to promote equity for children with life-limiting and life-threatening conditions.


Assuntos
Cuidados Paliativos na Terminalidade da Vida , Hospitais para Doentes Terminais , Medicina Paliativa , Criança , Humanos , Cuidados Paliativos/métodos , Especialização , Adulto Jovem
12.
Nurs Child Young People ; 34(1): 22-27, 2022 Jan 06.
Artigo em Inglês | MEDLINE | ID: mdl-34278749

RESUMO

Parental death in childhood is a traumatic event and, as a consequence, bereaved children can be at an increased risk of developing mental health issues in adulthood. This article details an extended literature review that was undertaken to explore the effects of early parental death on bereaved children's mental health and identifies implications for healthcare practice. Several electronic databases were searched and eight articles were selected for inclusion in this review. Four themes were identified from the literature: child's age at parental death; cause of parental death; type of parental death; and cascading circumstances. Increased exposure to other adverse circumstances after a parent's death can also predispose an individual to psychopathology in adulthood, so such circumstances can serve as indicators of the potential effects on children's future mental health outcomes.


Assuntos
Luto , Morte Parental , Adulto , Criança , Pesar , Humanos , Saúde Mental , Pais
13.
Artigo em Inglês | MEDLINE | ID: mdl-34866365

RESUMO

Providing family-centred care is fundamental to children's nursing and requires the development of therapeutic relationships with parents, notably parents of children who are acutely unwell. Gaining parents' trust and engaging them in their child's care involves the use of optimal verbal and non-verbal communication techniques. Children's nursing students need to develop skills and confidence in using these techniques. This article is a reflective account by a children's nursing student on how communication concepts and techniques learned at university can be applied to practice. The student had undertaken a theoretical and practical communication module during which she had been introduced to techniques such as active listening and the SURETY model shortly before starting a practice placement in an acute care setting. Here she uses the 'What?, So what?, Now what?' framework to reflect on and learn from her placement. The article demonstrates how complementing theoretical knowledge with experiential learning, and combining this with reflection on action, can enhance students' confidence to deliver family-centred care.

14.
Hosp Pediatr ; 11(10): 1129-1136, 2021 10.
Artigo em Inglês | MEDLINE | ID: mdl-34518336

RESUMO

OBJECTIVES: To describe sexual health behaviors, contraceptive use, and pregnancy risk among hospitalized female adolescents. METHODS: We conducted a cross-sectional survey of hospitalized female patients aged 14 to 21 years at 2 academic medical centers to assess sexual health behaviors, contraceptive use, contraceptive counseling receipt, and factors associated with pregnancy complications (eg, diabetes, teratogenic exposure). We calculated the validated Pregnancy Risk Index (PRI) (number per 100 who will become pregnant in the next year). RESULTS: Among 177 participants (mean age 16 years, SD 1.5), 75 (43%) were sexually active. At last vaginal sex, 65% reported condom use; 49%, reversible contraception; and 12%, long-acting reversible contraception (LARC). Past-year contraceptive counseling was reported by 73% of sexually active female participants and was associated with increased use of reversible (P = .001) and dual contraception (P = .03) but not LARC (P = .24). The mean PRI among all participants was 4.75. Nearly three-quarters (73%) had a medical comorbidity or teratogenic exposure. Those with teratogenic medication use had the lowest PRI of 0.32 (P < .05), with 88% using reversible contraception and 31% using LARC. CONCLUSIONS: Hospitalized female adolescents had a PRI similar to that of adolescents in the general population. However, nearly three-quarters had a medical comorbidity and/or teratogenic exposure, which increased risk for pregnancy complications. Contraceptive counseling was associated with increased reversible and dual contraception use but not LARC use. Efforts to improve comprehensive contraceptive counseling, highlighting LARC, are critically needed in this population.


Assuntos
Comportamento Contraceptivo , Contracepção Reversível de Longo Prazo , Adolescente , Anticoncepção , Estudos Transversais , Feminino , Comportamentos Relacionados com a Saúde , Humanos , Gravidez
15.
Nurs Stand ; 36(9): 77-81, 2021 09 01.
Artigo em Inglês | MEDLINE | ID: mdl-34423608

RESUMO

Ketamine is a synthetic drug with unique properties which started to be used therapeutically in humans in the 1970s and is now widely used in all fields of nursing. Ketamine acts on the central nervous system, primarily through inhibiting N-methyl-D-aspartate receptors. However, the precise understanding of its mechanisms of action remains elusive in many respects. Ketamine is frequently used as an anaesthetic in medical and surgical procedures and as an analgesic in children and adults. It is increasingly used in mental health settings to treat depression. It has potential to be used more often in areas such as palliative care and mental health care. This article reviews the physiological and pharmacological properties of ketamine, explores its main therapeutic uses, and considers the associated implications for nursing practice.


Assuntos
Analgésicos , Anestésicos , Ketamina , Analgésicos/farmacologia , Analgésicos/uso terapêutico , Anestésicos/farmacologia , Anestésicos/uso terapêutico , Anti-Inflamatórios/farmacologia , Anti-Inflamatórios/uso terapêutico , Antidepressivos/farmacologia , Antidepressivos/uso terapêutico , Humanos , Ketamina/farmacologia , Ketamina/uso terapêutico
16.
Pediatrics ; 147(6)2021 06.
Artigo em Inglês | MEDLINE | ID: mdl-33941583

RESUMO

BACKGROUND AND OBJECTIVES: Adolescent substance use is associated with numerous adverse health outcomes. A hospitalization represents an opportunity to identify and address substance use. We sought to describe self-reported and documented substance use among hospitalized adolescents. METHODS: We conducted a cross-sectional survey of adolescents aged 14 to 18 years old admitted to two pediatric hospitals between August 2019 and March 2020. Using previously validated questions, we assessed the proportion of adolescents reporting ever, monthly, and weekly use of alcohol, marijuana, tobacco, electronic cigarettes, and other illicit drugs and nonmedical use of prescription medications. We reviewed medical records for substance use documentation. RESULTS: Among 306 respondents, 57% were older (16-18 years old), 53% were female, and 55% were of non-Hispanic white race and ethnicity. The most frequently reported substances ever used were alcohol (39%), marijuana (33%), and electronic cigarettes (31%); 104 (34%) respondents reported ever use of >1 substance. Compared with younger adolescents, those aged 16 to 18 years were more likely to report ever use of alcohol (29% vs 46%; P = .002), marijuana (22% vs 41%; P < .001), and ≥2 drugs (26% vs 40%; P = .009). A positive substance use history was rarely documented (11% of records reviewed), and concordance between documented and self-reported substance use was also rare. CONCLUSIONS: In this study of hospitalized adolescents, the most commonly reported substances used were alcohol, marijuana, and electronic cigarettes. Positive substance use documentation was rare and often discordant with self-reported substance use. Efforts to improve systematic screening for substance use and interventions for prevention and cessation in hospitalized adolescents are critically needed.


Assuntos
Autorrelato , Transtornos Relacionados ao Uso de Substâncias/epidemiologia , Adolescente , Estudos Transversais , Feminino , Hospitalização , Hospitais Pediátricos , Humanos , Masculino , Transtornos Relacionados ao Uso de Substâncias/diagnóstico
18.
J Anim Ecol ; 89(11): 2665-2676, 2020 11.
Artigo em Inglês | MEDLINE | ID: mdl-32895921

RESUMO

Environmental variations can influence the extent to which individuals interact with other individuals by changing the value of grouping. It is well known that many species can form and disband groups, often in response to the distribution and abundance of resources. While previous studies showed that resources influence the broad-scale structure of animal groups, knowledge gaps remain on whether they affect fine-scale patterns of association among individuals within groups. We quantify association patterns in African lions while simultaneously monitoring the abundance and distribution of prey. We test how social and ecological factors, including individual trait (age, sex, reproductive state) similarity and prey availability (prey abundance, dispersion, herd size and body size) affect within-pride social structure in African lions. We found that individual decisions about associates depended on resource availability with individuals associating equally across all members of the pride when prey herds were scarce, aggregated or large bodied, and associating more exclusively (in subgroups of preferred associates) when prey herds were abundant, dispersed or small bodied. Individuals within lion prides seemed to be buffering against changes in prey availability by modulating their strength and density of connections with conspecifics when prides split into subgroups. The strength and density of connections among individuals within subgroups was greater when prey herds were large and lower when prey herds were dispersed or are large bodied. Our findings suggest that individual lions are making social decisions at both the subgroup level and the pride level, with decisions representing putatively fitness-enhancing strategies. Individuals were typically shifting between having few strong connections and having many weaker connections depending on prevailing ecological conditions, with prey abundance, dispersion and body size having the greatest impact on decisions about splitting into subgroups. The maintenance of connections within prides and subgroups in the face of ecological change suggests that the fission-fusion nature of lion prides might be essential for the long-term maintenance of social connections even when short-term conditions do not allow them. More broadly, our study reveals how fission-fusion dynamics and ecological factors can simultaneously have an effect on animals across multiple levels of sociality.


Assuntos
Leões , Animais , Comportamento Predatório , Reprodução , Comportamento Social
19.
J Palliat Med ; 23(10): 1314-1322, 2020 10.
Artigo em Inglês | MEDLINE | ID: mdl-32343634

RESUMO

Background: Delirium is a common debilitating complication of advanced cancer. Objective: To determine if a multicomponent nonpharmacological delirium prevention intervention was feasible for adult patients with advanced cancer, before a phase III (efficacy) trial. Design: Phase II (feasibility) cluster randomized controlled trial. All sites implemented delirium screening and diagnostic assessment. Strategies within sleep, vision and hearing, hydration, orientation, mobility, and family domains were delivered to enrolled patients at intervention site admission days 1-7. Control sites then implemented the intervention ("waitlist sites"). Setting: Four Australian palliative care units. Measurements: The primary outcome was adherence, with an a priori endpoint of at least 60% patients achieving full adherence. Secondary outcomes were interdisciplinary care delivery, delirium measures, and adverse events, analyzed descriptively and inferentially. Results: Sixty-five enrolled patients (25 control, 20 intervention, and 20 waitlist) had 98% delirium screens and 75% diagnostic assessments completed. Nurses (67%), physicians (16%), allied health (8.4%), family (7%), patients (1%), and volunteers (0.5%) delivered the intervention. There was full adherence for 5% patients at intervention sites, partial for 25%. Both full and partial adherence were higher at waitlist sites: 25% and 45%, respectively. One-third of control site patients (32%) became delirious within seven days of admission compared to one-fifth (20%) at both intervention and waitlist sites (p = 0.5). Mean (standard deviation) Delirium Rating Scale-Revised-1998 scores were 16.8 + 12.0 control sites versus 18.4 + 8.2 (p = 0.6) intervention and 18.7 + 7.8 (p = 0.5) waitlist sites. The intervention caused no adverse events. Conclusion: The intervention requires modification for optimal adherence in a phase III trial.


Assuntos
Delírio , Neoplasias , Adulto , Austrália , Delírio/prevenção & controle , Hospitalização , Humanos , Neoplasias/complicações , Projetos Piloto
20.
J Palliat Med ; 23(5): 656-661, 2020 05.
Artigo em Inglês | MEDLINE | ID: mdl-31904310

RESUMO

Background: Pharmacovigilance studies in hospice/palliative care provide extra information to improve medication safety. Combination controlled release oxycodone-naloxone offers an alternative opioid with less risk of opioid-induced constipation. Objective: To examine why palliative care clinicians chose to cease oxycodone-naloxone and to explore immediate and short-term benefits and harms of this medication change. Design: A consecutive cohort study. Setting: 112 adults from 13 palliative care centers. Measurements: Reasons for ceasing medication and the harms and benefits that followed this 24 and 72 hours later. Symptom burdens were summarised by the National Cancer Institute Common Terminology Criteria for Adverse Events Toxicity Gradings. Results: Combination medication was most commonly ceased because of poor pain control or impaired hepatic function. The last median oral morphine equivalent oxycodone dose before the switch was 45 mg (range 7.5-240 mg) with 76 switched to an alternative long-acting opioid (initial median oral morphine equivalent dose being 45 mg [range 5-210 mg]). Subgroup analysis of those switched because of clinicians' concerns about hepatic dysfunction demonstrated this group were receiving significantly lower opioid doses pre-cessation compared to those switched because of other reasons( p = 0.007). Regardless of why the medication was changed, improvements in pain and constipation scores were seen, the latter associated with an attendant increase in laxatives. Conclusions: This preliminary work suggests that despite theoretical concerns regarding the effect of the naloxone on opioid doses, most people were switched safely to very similar opioid doses with attendant improvements in pain control.


Assuntos
Hospitais para Doentes Terminais , Oxicodona , Adulto , Analgésicos Opioides/efeitos adversos , Estudos de Coortes , Constipação Intestinal/induzido quimicamente , Constipação Intestinal/tratamento farmacológico , Preparações de Ação Retardada/uso terapêutico , Humanos , Naloxona/uso terapêutico , Oxicodona/uso terapêutico , Cuidados Paliativos , Farmacovigilância
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