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1.
Cancer Med ; 12(9): 10939-10949, 2023 05.
Artigo em Inglês | MEDLINE | ID: mdl-36999879

RESUMO

BACKGROUND: An increasing number of children diagnosed with both low- and high-risk neuroblastoma are surviving. Yet, treatment can be intensive and often multimodal, especially for high-risk neuroblastoma, resulting in significant long-term health problems. We aimed to describe neuroblastoma survivors' pediatric hospitalizations, readmissions, and their associated costs. METHOD: We conducted a population-based study of all children (<18 years) residing in New South Wales (NSW), Australia, and hospitalized with a recorded diagnosis of neuroblastoma during 2001-2020. We used linked NSW Admitted Patient Data Collection and death registration data to examine the frequency, length of stay, and readmissions following the first admission when neuroblastoma was diagnosed (i.e., the index admission), and the associated hospitalization costs by age and timing postindex admission discharge. RESULTS: In total, 300 children (64% aged <3 years) were hospitalized for neuroblastoma over the study period. The median number of readmissions and length of stay within 2 years postdischarge were 17 (interquartile range IQR: 5.5-25) and 45.5 (IQR: 10-125) days, and median cost per child was AUD$124,058 (IQR $34,217-$264,627). Following discharge from the index admission, there were 7088 readmissions (median: 20 per child, IQR: 7-29). Fifty-eight percent of readmissions occurred within 1-year postdischarge, primarily due to fever, nausea, abdominal pain, and respiratory conditions. CONCLUSION: The burden of health problems requiring hospitalization among neuroblastoma survivors results in significant associated healthcare costs, warranting further efforts to optimize health care for neuroblastoma survivors that focuses on early intervention and long-term monitoring.


Assuntos
Assistência ao Convalescente , Neuroblastoma , Criança , Humanos , Austrália , Alta do Paciente , Hospitalização , Neuroblastoma/epidemiologia , Neuroblastoma/terapia , Tempo de Internação
2.
J Invest Dermatol ; 143(8): 1509-1519.e14, 2023 08.
Artigo em Inglês | MEDLINE | ID: mdl-36813158

RESUMO

The channel-forming glycoprotein PANX3 functions in cutaneous wound healing and keratinocyte differentiation, but its role in maintaining skin homeostasis through aging is not yet understood. We found that PANX3 is absent in newborn skin but becomes upregulated with age. We characterized the skin of global Panx3-knockout (KO) mice and found that KO dorsal skin showed sex differences at different ages but generally had reduced dermal and hypodermal areas compared with age-matched controls. Transcriptomic analysis of the KO epidermis revealed reduced E-cadherin stabilization and Wnt signaling compared with that of wild-type, consistent with the inability of primary KO keratinocytes to adhere in culture and diminished epidermal barrier function in KO mice. We also observed increased inflammatory signaling in the KO epidermis and a higher incidence of dermatitis in aged KO mice compared with that in wild-type controls. These findings suggest that during skin aging, PANX3 is critical in the maintenance of dorsal skin architecture, keratinocyte cell-cell and cell-matrix adhesion, and inflammatory skin responses.


Assuntos
Queratinócitos , Pele , Camundongos , Animais , Feminino , Masculino , Queratinócitos/fisiologia , Epiderme , Inflamação/genética , Via de Sinalização Wnt , Camundongos Knockout
4.
Int J Obes (Lond) ; 46(4): 726-738, 2022 04.
Artigo em Inglês | MEDLINE | ID: mdl-34897286

RESUMO

BACKGROUND: Pannexin 3 (PANX3) is a channel-forming glycoprotein that enables nutrient-induced inflammation in vitro, and genetic linkage data suggest that it regulates body mass index. Here, we characterized inflammatory and metabolic parameters in global Panx3 knockout (KO) mice in the context of forced treadmill running (FEX) and high-fat diet (HFD). METHODS: C57BL/6N (WT) and KO mice were randomized to either a FEX running protocol or no running (SED) from 24 until 30 weeks of age. Body weight was measured biweekly, and body composition was measured at 24 and 30 weeks of age. Male WT and KO mice were fed a HFD from 12 to 28 weeks of age. Metabolic organs were analyzed for a panel of inflammatory markers and PANX3 expression. RESULTS: In females there were no significant differences in body composition between genotypes, which could be due to the lack of PANX3 expression in female white adipose tissue, while male KOs fed a chow diet had lower body weight and lower fat mass at 24 and 30 weeks of age, which was reduced to the same extent as 6 weeks of FEX in WT mice. In addition, male KO mice exhibited significantly lower expression of multiple pro-inflammatory genes in white adipose tissue compared to WT mice. While on a HFD body weight differences were insignificant, multiple inflammatory genes were significantly different in quadriceps muscle and white adipose tissue resulting in a more anti-inflammatory phenotype in KO mice compared to WT. The lower fat mass in male KO mice may be due to significantly fewer adipocytes in their subcutaneous fat compared to WT mice. Mechanistically, adipose stromal cells (ASCs) cultured from KO mice grow significantly slower than WT ASCs. CONCLUSION: PANX3 is expressed in male adult mouse adipose tissue and may regulate adipocyte numbers, influencing fat accumulation and inflammation.


Assuntos
Tecido Adiposo , Obesidade , Tecido Adiposo/metabolismo , Animais , Peso Corporal/fisiologia , Dieta Hiperlipídica , Feminino , Inflamação/metabolismo , Masculino , Camundongos , Camundongos Endogâmicos C57BL , Camundongos Knockout , Obesidade/genética , Obesidade/metabolismo
5.
J Biol Chem ; 295(15): 4902-4911, 2020 04 10.
Artigo em Inglês | MEDLINE | ID: mdl-32132172

RESUMO

Obesity and elevation of circulating free fatty acids are associated with an accumulation and proinflammatory polarization of macrophages within metabolically active tissues, such as adipose tissue, muscle, liver, and pancreas. Beyond macrophages, neutrophils also accumulate in adipose and muscle tissues during high-fat diets and contribute to a state of local inflammation and insulin resistance. However, the mechanisms by which neutrophils are recruited to these tissues are largely unknown. Here we used a cell culture system as proof of concept to show that, upon exposure to a saturated fatty acid, palmitate, macrophages release nucleotides that attract neutrophils. Moreover, we found that palmitate up-regulates pannexin-1 channels in macrophages that mediate the attraction of neutrophils, shown previously to allow transfer of nucleotides across membranes. These findings suggest that proinflammatory macrophages release nucleotides through pannexin-1, a process that may facilitate neutrophil recruitment into metabolic tissues during obesity.


Assuntos
Tecido Adiposo/metabolismo , Conexinas/fisiologia , Inflamação/imunologia , Macrófagos/metabolismo , Proteínas do Tecido Nervoso/fisiologia , Neutrófilos/metabolismo , Nucleotídeos/farmacologia , Palmitatos/farmacologia , Tecido Adiposo/efeitos dos fármacos , Tecido Adiposo/imunologia , Animais , Feminino , Inflamação/tratamento farmacológico , Inflamação/metabolismo , Resistência à Insulina , Macrófagos/efeitos dos fármacos , Macrófagos/imunologia , Masculino , Camundongos , Camundongos Endogâmicos C57BL , Camundongos Knockout , Neutrófilos/efeitos dos fármacos , Neutrófilos/imunologia
6.
Support Care Cancer ; 28(2): 809-817, 2020 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-31154532

RESUMO

PURPOSE: Impaired fertility in cancer patients and survivors of reproductive age (15-45 years) may lead to psychological distress and poor mental health outcomes, and may negatively impact quality of life. Limited research has focused on the fertility experiences of those who have had access to supportive oncofertility care. This study aims to explore the fertility-care experiences and reproductive concerns of reproductive age cancer patients at the time of their cancer diagnosis who have had access to oncofertility care. METHODS: The qualitative data from a larger mixed method study is presented, comprising 30 semi-structured telephone interviews with newly diagnosed cancer patients across Australia and New Zealand, undertaken between April 2016 and April 2018. RESULTS: Interviews were undertaken with 9 male patients and 21 female patients aged between 15 and 44 years. All patients recalled a discussion about fertility and majority underwent some form of fertility preservation. Thematic analysis identified five main themes: (i) satisfaction with oncofertility care, (ii) a need for individualised treatment and support, (iii) desire for parenthood, (iv) fertility treatment can be challenging, and (v) fertility preservation provides a safety net for the future. CONCLUSIONS: Participants who access supportive oncofertility care report low emotional impact of threatened future infertility at the time of cancer diagnosis. These results suggest that such services may assist in lowering the emotional burden of potential infertility in survivors. Long-term research is needed to assess the longitudinal benefits for different models of care.


Assuntos
Preservação da Fertilidade/métodos , Preservação da Fertilidade/psicologia , Infertilidade/psicologia , Neoplasias/psicologia , Sistemas de Apoio Psicossocial , Adolescente , Adulto , Austrália , Feminino , Fertilidade/fisiologia , Humanos , Infertilidade/patologia , Masculino , Saúde Mental , Neoplasias/terapia , Nova Zelândia , Pesquisa Qualitativa , Qualidade de Vida/psicologia , Sobreviventes , Adulto Jovem
7.
Patient Educ Couns ; 102(12): 2270-2278, 2019 12.
Artigo em Inglês | MEDLINE | ID: mdl-31257099

RESUMO

OBJECTIVE: Pain and fatigue are under-researched late effects of childhood cancer and its treatment, and may be interpreted by survivors as indicating cancer recurrence. Moreover, unmet information needs for managing pain and fatigue may be related to fear of cancer recurrence. We investigated the complex relationships between perceived cancer-related pain and fatigue, unmet information needs for managing pain and fatigue, and fear of cancer recurrence. METHODS: We surveyed 404 adult survivors of any form of childhood cancer (M = 16.82 years since treatment completion). RESULTS: Many survivors reported perceived cancer-related pain (28.7%) and fatigue (40.3%), and anticipated future pain (19.3%) and fatigue (26.2%). These symptomologies were all related to unmet information needs for managing pain (18.8%) and fatigue (32.2%; all p's<.001). Survivors reporting unmet information needs for managing pain (B = .48, 95% CI = 0.19-0.76, p = .001) and fatigue (B = .32, 95% CI = 0.06-0.52, p = .015) reported higher fear of cancer recurrence than survivors reporting no information needs. CONCLUSION: Survivors often have unmet information needs for managing pain and fatigue, and these unmet needs are related to fear of cancer recurrence. PRACTICE IMPLICATIONS: Long-term follow-up clinics should assess pain and fatigue. Information provision about pain and fatigue may be an important tool to help manage fear of cancer recurrence.


Assuntos
Adultos Sobreviventes de Eventos Adversos na Infância/psicologia , Dor do Câncer/psicologia , Sobreviventes de Câncer/psicologia , Fadiga/psicologia , Medo/psicologia , Necessidades e Demandas de Serviços de Saúde/estatística & dados numéricos , Recidiva Local de Neoplasia/psicologia , Neoplasias/patologia , Neoplasias/terapia , Qualidade de Vida/psicologia , Adulto , Ansiedade/psicologia , Austrália/epidemiologia , Criança , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Avaliação das Necessidades , Neoplasias/psicologia , Nova Zelândia/epidemiologia , Inquéritos e Questionários
8.
Semin Oncol ; 46(3): 291-303, 2019 06.
Artigo em Inglês | MEDLINE | ID: mdl-31221444

RESUMO

Use of precision medicine in oncology is burgeoning and can provide patients with new treatment options. However, it is not clear how precision medicine is impacting healthcare professionals (HCPs), particularly with regards to their concerns about this new approach. We therefore synthesized the existing literature on HCPs' attitudes toward cancer precision medicine. We searched four databases for relevant articles. Two reviewers screened eligible articles and extracted data. We assessed the quality of each article using the QualSyst tool. We found 22 articles, representing 4,321 HCPs (63.7% cancer specialists). HCPs held largely positive attitudes toward cancer precision medicine, including their capacity to facilitate treatment decisions and provide prognostic information. However, they also had concerns regarding costs, insurance coverage, limited HCP knowledge about precision medicine, potential misuse, difficulties accessing the tests, and delays in receiving test results. Most HCPs felt that test-related decisions should be shared between families and HCPs. HCPs intended to disclose actionable results but were less inclined to disclose negative/secondary findings. HCPs had a strong preference for genetic counselor involvement when disclosing germline findings. Most HCPs intended to use somatic and germline tests in their future practice but the extent to which pharmacogenomic tests will be used is uncertain. HCPs indicated that additional evidence supporting test utility and increased availability of treatment guidelines could facilitate the use of testing. HCPs held generally positive attitudes toward cancer precision medicine, however there were some key concerns. Addressing concerns early, devising educational support for HCPs and developing guidelines may facilitate the successful implementation of precision medicine trials in the future.


Assuntos
Atitude do Pessoal de Saúde , Neoplasias/epidemiologia , Medicina de Precisão , Mutação em Linhagem Germinativa/genética , Humanos , Neoplasias/genética , Prognóstico
9.
J Mol Med (Berl) ; 97(5): 723-736, 2019 05.
Artigo em Inglês | MEDLINE | ID: mdl-30918989

RESUMO

Pannexins (Panxs), large-pore channel forming glycoproteins, are expressed in a wide variety of tissues including the skin, bone, and cochlea. To date, the use of single knock-out mouse models of both Panx1 and Panx3 have demonstrated their roles in skin development, bone formation, and auditory phenotypes. Due to sequence homology between Panx1 and Panx3, when one Panx is ablated from germline, the other may be upregulated in a compensatory mechanism to maintain tissue homeostasis and function. To evaluate the roles of Panx1 and Panx3 in the skin, bone, and cochlea, we created the first Panx1/Panx3 double knock-out mouse model (dKO). These mice had smaller litters and reduced body weight compared to wildtype controls. The dKO dorsal skin had decreased epidermal and dermal area as well as decreased hypodermal area in neonatal but not in older mice. In addition, mouse skull shape and size were altered, and long bone length was decreased in neonatal dKO mice. Finally, auditory tests revealed that dKO mice did not exhibit hearing loss and were even slightly protected against noise-induced hearing damage at mid-frequency regions. Taken together, our findings suggest that Panx1 and Panx3 are important at early stages of development in the skin and bone but may be redundant in the auditory system. KEY MESSAGES: Panx double KO mice had smaller litters and reduced body weight. dKO skin had decreased epidermal and dermal area in neonatal mice. Skull shape and size changed plus long bone length decreased in neonatal dKO mice. dKO had no hearing loss and were slightly protected against noise-induced damage.


Assuntos
Desenvolvimento Ósseo , Cóclea/crescimento & desenvolvimento , Conexinas/genética , Deleção de Genes , Proteínas do Tecido Nervoso/genética , Pele/crescimento & desenvolvimento , Animais , Osso e Ossos/metabolismo , Cóclea/metabolismo , Audição , Camundongos Endogâmicos C57BL , Camundongos Knockout , Pele/metabolismo
10.
Bone Rep ; 10: 100191, 2019 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-30656199

RESUMO

BACKGROUND: Calcium (Ca) and vitamin D (vit D) in the AIN-93G diet may be higher than required for healthy bone development, and mask the potential benefit of a dietary intervention. OBJECTIVE: The objective was to determine if lower levels of Ca and vit D than is present in the AIN-93G diet supports bone development in growing male CD-1 mice. METHODS: Weanling male CD-1 mice were randomized to modified AIN-93G diets containing either 100 (Trial 1) or 400 (Trial 2) IU vit D/kg diet within one of two or three Ca levels (0.35, 0.30, or 0.25% Ca diet in Trial 1 or 0.35% or 0.25% in Trial 2) or the AIN-93G diet (1000 IU/kg vit D and 0.5% Ca) from weaning to 4 months of age (n = 13-15/group). At 2 and 4 months of age, BMD and structural properties of the tibia were analyzed in vivo. Structure of lumbar vertebra 4 (L4) and mandible, and femur strength were assessed ex vivo at age 4 months. RESULTS: There were no differences in tibia, L4, and mandible structure between the AIN-93G diet and the 0.35% Ca groups at either vit D level. A few structure outcomes were compromised with the 0.25 and/or 0.3% Ca diets but there were no differences in femur biomechanical strength compared to AIN-93G group in either Trial. CONCLUSION: At 400 or 100 IU vit D/kg diet, Ca can be lowered to 0.35% without detriment to BMD or bone structure while bone strength is not altered at lower Ca (0.25%) compared to CD-1 mice fed AIN-93G diet. Because of genetic variation in CD-1 mice among different breeding facilities, results in CD-1 mice from other facilities may differ from the present study.

11.
Acta Oncol ; 58(2): 209-217, 2019 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-30614350

RESUMO

INTRODUCTION: Understanding the cause of their cancer is important for many cancer patients. Childhood cancer survivors'/survivors' parents' beliefs about cancer etiology are understudied. We aimed to assess survivors'/parents' beliefs about what causes childhood cancer, compared with beliefs in the community. We also investigated the influence of clinical and socio-demographic characteristics on the participants' beliefs about cancer etiology. METHODS: This two-stage study investigated the participants' beliefs, by using questionnaires assessing causal attributions related to childhood cancer (stage 1) and then undertaking telephone interviews (stage 2; survivors/survivors' parents only) to get an in-depth understanding of survivors'/survivors' parents beliefs. We computed multivariable regressions to identify factors associated with the most commonly endorsed attributions: bad luck/chance, environmental factors and genetics. We analyzed interviews using thematic analysis. RESULTS: Six hundred one individuals (64.6% survivors and 35.4% survivors' parents) and 510 community comparisons (53.1% community adults, 46.9% community parents) completed the question on causal attributions. We conducted 87 in-depth interviews. Survivors/survivors' parents (73.9%) were more likely to believe that chance/bad luck caused childhood cancer than community participants (42.4%). Community participants more frequently endorsed that genetics (75.3%) and environmental factors (65.3%) played a major role in childhood cancer etiology (versus survivors' and survivors' parents: genetics 20.6%, environmental factors: 19.3%). Community participants, participants with a first language other than English, and reporting a lower quality of life were less likely to attribute bad luck as a cause of childhood cancer. Community participants, all participants with a higher income and higher education were more likely to attribute childhood cancer etiology to environmental factors. CONCLUSION: Causal attributions differed between survivors/survivors' parents and community participants. Most of the parents and survivors seem to understand that there is nothing they have done to cause the cancer. Understanding survivors' and survivors' parents' causal attributions may be crucial to address misconceptions, offer access to services and to adapt current and future health behaviors.


Assuntos
Sobreviventes de Câncer , Neoplasias/epidemiologia , Neoplasias/psicologia , Pais/psicologia , Adulto , Idade de Início , Atitude Frente a Saúde , Austrália/epidemiologia , Sobreviventes de Câncer/psicologia , Sobreviventes de Câncer/estatística & dados numéricos , Causalidade , Criança , Cultura , Feminino , Comportamentos Relacionados com a Saúde , Humanos , Masculino , Nova Zelândia/epidemiologia , Qualidade de Vida , Características de Residência/estatística & dados numéricos , Inquéritos e Questionários , Adulto Jovem
12.
Death Stud ; 43(1): 62-69, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-29474116

RESUMO

BACKGROUND: Risk minimization in research with bereaved parents is important. However, little is known about which research methods balance the sensitivity required for bereaved research participants and the need for generalizable results. AIM: To explore parental experiences of participating in mixed method bereavement research via a pilot study. DESIGN: A convergent parallel mixed method design assessing bereaved parents' experience of research participation. SETTING/PARTICIPANTS: Eleven parents whose child was treated for cancer at The Royal Children's Hospital, Brisbane completed the questionnaire/interview being piloted (n = 8 mothers; n = 3 fathers; >6 months and <6 years bereaved). Of these, eight parents completed the pilot study evaluation questionnaire, providing feedback on their experience of participation. RESULTS: Participants acknowledged the importance of bereaved parents being central to research design and the development of bereavement programs. Sixty-three per cent (n = 5/8) of parents described completion of the questionnaire as 'not at all/a little bit' of a burden. Seventy-five per cent (n = 6/8) of parents opting into the telephone interview described participation as 'not at all/a little bit' of a burden. When considering the latest timeframes for participation in bereavement research 63% (n = 5/8) of parents indicated 'no endpoint.' Findings from the pilot study enabled important adjustments to be made to a large-scale future study. CONCLUSIONS: As a research method, pilot studies may be utilized to minimize harm and maximize the potential benefits for vulnerable research participants. A mixed method approach allows researchers to generalize findings to a broader population while also drawing on the depth of the lived experience.


Assuntos
Luto , Pais/psicologia , Projetos de Pesquisa , Sujeitos da Pesquisa/psicologia , Adulto , Atitude Frente a Morte , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Projetos Piloto , Gestão de Riscos , Inquéritos e Questionários
13.
Clin Genet ; 95(1): 10-22, 2019 01.
Artigo em Inglês | MEDLINE | ID: mdl-29574695

RESUMO

Children and young people are increasingly likely to receive information regarding inherited health risks relevant to their genetic relatives and themselves. We reviewed the literature to determine what children and young people (21 years and younger) understand about inherited conditions and their attitudes towards genetic testing. We screened 1815 abstracts to identify 20 studies representing the perspectives of 1811 children and young people between the ages of 6 and 21 years (1498 children or young people at general population-level risk from 9 studies, 313 affected/at risk from 15 studies). Children and young people at general population-level risk demonstrated a basic understanding that disease predisposition can be inherited within families. Those affected by or at risk of genetic conditions inferred their genetic status from observable, relational characteristics within their family and the results of personal genetic testing if it had occurred, but some misunderstandings of important genetic concepts were evident. Children and young people expressed interest in and a willingness to undertake personal genetic testing, but also articulated concerns about the limitations and risks of testing. Paediatric patients require developmentally-sensitive genetic counselling and support in navigating the unique landscape of their condition.


Assuntos
Aconselhamento Genético/tendências , Doenças Genéticas Inatas/genética , Testes Genéticos/tendências , Conhecimentos, Atitudes e Prática em Saúde , Adolescente , Adulto , Criança , Bases de Dados Genéticas , Feminino , Doenças Genéticas Inatas/epidemiologia , Humanos , Masculino , Adulto Jovem
14.
Support Care Cancer ; 27(6): 2087-2094, 2019 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-30229340

RESUMO

PURPOSE: Grandparents can be profoundly emotionally affected when a grandchild is diagnosed with cancer. They also often provide invaluable support for the family (e.g., caring for the sick child and/or siblings). Multigenerational family functioning may therefore change. Limited research has assessed grandparents' perspectives after their grandchild is diagnosed with cancer. In this study, we aimed to (1) assess differences in perceived family functioning among grandparents of a child with cancer and grandparents of healthy children and (2) assess the cancer-specific and demographic factors related to perceived family functioning in grandparents of a grandchild with cancer. PROCEDURE: Grandparents of a child with cancer (n = 89) and grandparents of healthy children (n = 133) completed the general functioning, communication, and problem-solving scales of the Family Assessment Device. We used multilevel models with a random intercept to detect (1) between-group differences and (2) identify factors related to perceived family functioning among grandparents with a grandchild with cancer. RESULTS: Grandparents with a grandchild with cancer reported poorer family functioning than grandparents with healthy grandchildren. Among the grandparents with a grandchild with cancer, impairments in family functioning were correlated with fewer years since diagnosis, providing care to their sick grandchild and/or siblings and living far away from the sick grandchild. CONCLUSIONS: The detrimental impact of childhood cancer likely extends beyond the immediate family members. Including grandparents in interventions-beginning at diagnosis-to reduce distress and increase cohesion for families of a child with cancer is warranted, particularly for grandparents who provide care to their sick grandchild or siblings.


Assuntos
Família/psicologia , Avós/psicologia , Neoplasias/psicologia , Idoso , Criança , Comunicação , Feminino , Humanos , Masculino , Percepção
15.
EBioMedicine ; 37: 205-213, 2018 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-30385234

RESUMO

BACKGROUND: Using patient-derived xenografts (PDXs) to assess chemosensitivity to anti-cancer agents in real-time may improve cancer care by enabling individualized clinical decision-making. However, it is unknown whether this new approach will be met with acceptance by patients, family and community. METHODS: We used a cross-sectional structured survey to investigate PDX acceptability with 1550 individuals across Australia and New Zealand (648 survivors of adult and childhood cancer, versus 650 community comparisons; and 48 parents of childhood cancer survivors versus 204 community parents). We identified factors influencing willingness-to-use PDXs, willingness-to-pay, maximum acceptable wait-time, and maximum acceptable number of mice used per patient. FINDINGS: PDXs were highly acceptable: >80% of those affected by cancer felt the potential advantages of PDXs outweighed the disadvantages (community participants: 68%). Survivors' and survivors' parents' most highly endorsed advantage was 'increased chance of survival'. 'Harm to animals' was the least endorsed disadvantage for all groups. Cancer survivors were more willing to use PDXs than community comparisons [p < ·001]. Survivors and survivors' parents were willing to pay more [p < ·001; p = ∙004 respectively], wait longer for results [p = ·03; p = ∙01], and use more mice [p = ·01; p < ∙001] than community comparisons. Male survivors found PDXs more acceptable [p = ·01] and were willing to pay more [p < ·001] than female survivors. Survivors with higher incomes found PDXs more acceptable [p = ·002] and were willing to pay more [p < ·001] than survivors with lower incomes. Mothers found PDXs more acceptable [p = ·04] but were less willing to wait [p = ·02] than fathers. INTERPRETATION: We found significant attitudinal support for PDX-guided cancer care. Willingness-to-pay and maximum acceptable number of mice align well with likely future usage. Maximum acceptable wait-times were lower than is currently achievable, highlighting an important area for future patient education until technology has caught up.


Assuntos
Sobreviventes de Câncer , Aceitação pelo Paciente de Cuidados de Saúde , Medicina de Precisão/métodos , Ensaios Antitumorais Modelo de Xenoenxerto , Adulto , Animais , Feminino , Humanos , Masculino , Camundongos , Projetos Piloto , Fatores Sexuais
16.
Bone Rep ; 8: 229-238, 2018 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-29955642

RESUMO

BACKGROUND: The AIN-93G reference (REF) diet is used to allow the comparison within and between studies of different research groups but its levels of vitamin D (vit D) and calcium (Ca) may be higher than required for healthy bone structure and bone mineral density (BMD). OBJECTIVE: To determine if lower dietary levels of Ca (3.5, 3 or 2.5 g Ca/kg diet) at 1 of 2 levels of vit D (100 or 400 IU/kg diet) supports similar development of bone structure and BMD compared to AIN-93G reference (REF) diet in female CD-1 mice at 2 and 4 months of age. METHODS: Within a trial, weanling female mice (n = 12-15/group) were randomized to 1 of 4 diets until necropsy at 4 months of age: Trial 1: 100 IU vit D/kg + 3.5, 3 or 2.5 g Ca/kg diet or 1000 IU vit D/kg + 5 g Ca/kg diet (REF); and Trial 2: 400 IU vit D/kg + 3.5, 3 or 2.5 g Ca/kg diet or 1000 IU vit D/kg + 5 g/kg diet (REF). At age 2 and 4 months, in vivo bone structure and BMD were assessed using micro-computed tomography (µCT) at the proximal and midpoint tibia. At age 4 months, lumbar vertebra 4 (L4) and mandible structure were analyzed ex vivo, femur strength at midpoint and neck was assessed and serum 25(OH)D3 and PTH were quantified. RESULTS: For Trial 1 (100 IU vit D/kg), there were no differences in tibia structure at age 2 and 4 months nor L4 or mandible structure or femur strength at the midpoint or neck at 4 months of age despite lower serum 25(OH)D3 among all groups compared to REF. For Trial 2 (400 IU vit D/kg), mice fed 2.5 g Ca/kg diet had lower (p < 0.05) Ct.Ar/Tt.Ar and Ct.Th at the tibia midpoint compared to REF. Furthermore, Ct.Th. was greater in REF and 3.5 g Ca/kg diet compared to 2.5 g Ca/kg diet at age 2 but not 4 months of age. At L4, BV/TV was lower (p < 0.05) in the 3 g Ca/kg diet group compared to REF at age 4 months. There were no differences among groups for serum 25(OH)D3 or femur strength at the midpoint or neck. Serum PTH was not elevated compared to REF in either Trial. CONCLUSION: Lowering both dietary vit D (100 IU/kg) and Ca (2.5 g/kg) in AIN-93G diet did not result in differences in bone development of female CD-1 mice at early adulthood. Translational relevance of bone studies conducted using the AIN-93G diet may be affected by its high vit D and Ca content.

17.
Qual Life Res ; 27(6): 1431-1443, 2018 06.
Artigo em Inglês | MEDLINE | ID: mdl-29372438

RESUMO

PURPOSE: Acute lymphoblastic leukemia (ALL) survivors are the largest group of childhood cancer survivors; however, their risk for late effects is high. Cancer-related late effects have the potential to compromise health-related quality of life (HRQL) long into survivorship. None of the reviews so far have focused on ALL solely, but described HRQL for all childhood cancers. We aimed to identify ALL survivors at risk for poor HRQL and identify possible risk factors. METHOD: Following PRISMA guidelines, we performed a systematic review, searching published literature in Pubmed, PsycInfo, Embase, and the Cochrane database including all publications up to December 16, 2016. Two independent reviewers (JV and ER) screened eligible articles and assessed article quality. RESULTS: We found 31 studies representing 4356 survivors and 901 proxies. Thirteen studies found worse, eight found no difference, and three better, overall HRQL scores compared with healthy controls or norms. ALL survivors typically had better overall HRQL scores than survivors of other childhood cancers. Clinical variables (e.g., treatment received) were not consistently associated with HRQL; however, experiencing worse late effects was associated with lower HRQL. Survivor and parent socio-demographic factors and psychological factors such as resilience and depression were also associated with HRQL. CONCLUSION: ALL survivors appeared to have worse or equivalent HRQL compared with controls, but better HRQL than survivors of other cancer types. However, studies reported a wide variability in HRQL and potential risk factors for poor HRQL. Measuring ALL survivors' HRQL longitudinally and comprehensively assessing potential risk factors might identify future avenues to intervene early.


Assuntos
Sobreviventes de Câncer/psicologia , Leucemia-Linfoma Linfoblástico de Células Precursoras/psicologia , Qualidade de Vida/psicologia , Adolescente , Adulto , Criança , Pré-Escolar , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Leucemia-Linfoma Linfoblástico de Células Precursoras/mortalidade , Adulto Jovem
18.
Crit Rev Oncol Hematol ; 120: 60-76, 2017 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-29198339

RESUMO

BACKGROUND: Childhood cancer survival is increasing. But cancer and treatment late-effects can lead to ongoing health care use. We summarised the literature on the patterns and drivers of health care use among childhood cancer survivors. METHOD: Pubmed, Embase and Medline were searched for studies reporting health care use in childhood cancer survivors. RESULTS: We included 22 studies, covering 88787 experiences of health care use. The proportion of survivors using follow-up care, physician visits, specialist visits, hospitalisations, dental care and screening services varied (36.4%-88.8%). Participation in screening was below recommendations (11.5%-81%). Drivers of increased health care use included higher income, private health insurance, attending follow-up care, chronic health conditions, prior radiotherapy, being female and older age. CONCLUSION: Sociodemographic and clinical factors result in differences in health care use. Future research could investigate whether such use is appropriate and how survivors might be engaged to receive care appropriate to manage their needs.


Assuntos
Assistência ao Convalescente/estatística & dados numéricos , Sobreviventes de Câncer/estatística & dados numéricos , Neoplasias/terapia , Humanos
19.
Child Care Health Dev ; 43(5): 645-662, 2017 09.
Artigo em Inglês | MEDLINE | ID: mdl-28543609

RESUMO

BACKGROUND: Serious chronic illness can have a detrimental effect on school attendance, participation and engagement, leaving affected students at risk of failing to meet their developmental potential. An improved understanding of factors that help to explain or mitigate this risk can help educators and health professionals deliver the most effective support. This meta-review critiqued the available evidence examining the link between six chronic illnesses (asthma, cancer, chronic kidney diseases, heart diseases, cystic fibrosis and gastrointestinal diseases) and children's and adolescents' school experiences and outcomes, as well as investigating the medical, school, psychosocial and sociodemographic factors that are linked to poorer or better school outcomes. METHODS: We searched CINAHL, Cochrane Database, EMBASE, ERIC, MEDLINE, ProQuest Theses and Dissertations, and PsycINFO (2000-2015). Systematic and narrative reviews, and meta-analyses, of original studies examining students' subjective school experiences and objective school outcomes were eligible. We used the Preferred Reporting Items for Systematic Reviews and Meta-analyses criteria to critically appraise all systematic reviews. The Grading of Recommendations Assessment, Development, and Evaluation system guided our recommendations for practice and research. RESULTS: Eighteen reviews of 172 studies including more than 40 000 students were eligible. Therefore, we chose to conduct a meta-review to provide an overview of the literature on the relationship between chronic illness and school experiences and outcomes. We also explored the associated medical, school, psychosocial and sociodemographic factors affecting the relationship between illness and school experiences and outcomes. CONCLUSION: Students with chronic illness demonstrate mixed school experiences and outcomes that are often worse than students without chronic illness. Modifiable factors, such as students' engagement with school, may be novel yet appropriate targets of educational support to ensure that these students reach their full schooling potential.


Assuntos
Sucesso Acadêmico , Doença Crônica/psicologia , Instituições Acadêmicas , Estudantes/psicologia , Absenteísmo , Adaptação Psicológica , Adolescente , Criança , Humanos , Relações Interpessoais , Serviços de Saúde Escolar , Estudantes/estatística & dados numéricos
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