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Alandonisi MM, Al-Malki HJ, Bahaj W, Alghanmi HA. Characteristics of Emergency Visits Among Lung Cancer Patients in Comprehensive Cancer Center and Impact of Palliative Referral. Cureus 2023; 15:e37903. [PMID: 37223145 PMCID: PMC10202681 DOI: 10.7759/cureus.37903] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/17/2023] [Indexed: 05/25/2023] Open
Abstract
INTRODUCTION During the treatment course, cancer patients are prone to develop acute symptoms that are either treatment-related or cancer-related. Emergency services are available during the whole day to manage the acute problems of patients with chronic diseases, including cancer patients. Previous studies have shown that palliative care (PC) provided at the beginning of stage IV lung cancer diagnosis helped to reduce emergency visits and increase survival rates. METHOD A retrospective study was conducted on lung cancer patients with confirmed histopathology of non-small cell cancer and small cell lung cancer who visited the emergency department (ED) from 2019 to 2021. The demographic data, disease-related-data causes of ED visits (including disposition), number of emergency visits, and palliative referral and impact on the outcome and frequency of emergency visits were reviewed. RESULTS Of a total number of 107 patients, the majority were male (68%), the median age was 64 years old, and almost half of them were smokers (51%). More than 90% of the patients were diagnosed with non-small cell lung cancer (NSCLC), more than 90% with stage IV, and a minority underwent surgery and radiation therapy. The total number of ED visits amounted to 256, and 70% of the reasons for ED visits were respiratory problems (36.57%), pain (19.4%), and gastrointestinal (GI) causes (19%), respectively. PC referral was performed only for 36% of the participants, but it had no impact on the frequency of ED visits (p-value > 0.05). Besides, the frequency of ED visits had no impact on the outcome (p-value > 0.05), whereas PC had an impact on the live status (p-value < 0.05). CONCLUSION Our study had similar findings to another study regarding the most common reason for ED visits among lung cancer patients. Improving PC engagement for patient care would render those reasons preventable and affordable. The palliative referral improved survival among our participants but had no impact on the frequency of emergency visits, which may be due to the small number of patients and the different populations included in our research. A national study should be conducted to obtain a larger sample and to determine the impact of PC on ED visits.
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Affiliation(s)
- Munzir M Alandonisi
- Department of Medical Oncology, Oncology Center, King Abdullah Medical City, Makkah, SAU
| | - Hussain J Al-Malki
- Department of Medical Oncology, Armed Forces Hospital South Region, Khamis Mushait, SAU
| | - Waleed Bahaj
- Department of Medical Oncology, Oncology Center, King Abdullah Medical City, Makkah, SAU
| | - Hosam A Alghanmi
- Department of Medical Oncology, Oncology Center, King Abdullah Medical City, Makkah, SAU
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Ansatbayeva T, Kaidarova D, Kunirova G, Khussainova I, Rakhmetova V, Smailova D, Semenova Y, Glushkova N, Izmailovich M. Early integration of palliative care into oncological care: a focus on patient-important outcomes. Int J Palliat Nurs 2022; 28:366-375. [PMID: 36006790 DOI: 10.12968/ijpn.2022.28.8.366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND Globally, cancer remains one of the leading causes of mortality. Palliative care is designed to meet a range of cancer patients' priority issues, including the management of pain and other cancer-associated symptoms. Routine palliative care envisages the provision of not just medical therapy, but also psychological support, social support and spiritual assistance. What constitutes the best model for palliative care remains a matter of debate. AIM This review was undertaken with the aim to discuss different aspects of early integration of palliative care into oncological care, with a focus on patient-important outcomes. METHODS A comprehensive search of publications was conducted with a focus on integrative palliative care for incurable cancer patients. For this purpose, the following databases and search engines were used: Scopus, PubMed, Cochrane Library, Research Gate, Google Scholar, eLIBRARY and Cyberleninka. RESULTS A comprehensive approach with early integration of different medical services appears to be the most promising. Integrative palliative care is best provided via specialised interdisciplinary teams, given that all members maintain systemic communications and regularly exchange information. This model ensures that timely and adequate interventions are provided to address the needs of patients. CONCLUSION Further research is needed to pinpoint the most optimal strategies to deliver palliative care and make it as tailored to the patient's demands as possible.
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Affiliation(s)
- Tolganay Ansatbayeva
- Asfendiyarov Kazakh National Medical University; Oncologist of a Mobile Palliative Home Care Team, City Oncological Center of Almaty, Kazakhstan
| | - Dilyara Kaidarova
- Doctor of Medicine; Professor; Academician of the National Academy of Sciences of the Republic of Kazakhstan; Chairperson of the Board, JSC Kazakh Institute of Oncology and Radiology; Head of the Oncology Department, JSC Asfendiyarov Kazakh National Medical University, Kazakhstan
| | - Gulnara Kunirova
- President, Kazakhstan Association for Palliative Care Board of Directors, International Association for Hospice and Palliative Care; Executive Director, Together Against Cancer, Kazakhstan
| | - Ilmira Khussainova
- Assistant Professor of General and Applied Psychology, al-Farabi Kazakh National University; Head of the Department of Psychological and Social Assistance, Kazakh Insititute of Oncology and Radiology, Kazakhstan
| | - Venera Rakhmetova
- Professor of Department of Internal Diseases, Astana Medical University, Kazakhstan
| | - Dariga Smailova
- Head of Department of Epidemiology, Evidence-based Medicine and Biostatistics, Kazakhstan School of Public Health, Kazakhstan
| | - Yuliya Semenova
- Assistant Professor, Nazarbayev University School of Medicine, Kazakhstan
| | - Natalya Glushkova
- Associate Professor of the Department of Epidemiology, Biostatistics and Evidence Based Medicine, Al-Farabi Kazakh National University, Kazakhstan
| | - Marina Izmailovich
- Assistant Professor, Department of Internal Diseases, Karaganda Medical University, Kazakhstan
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Chaves-Cardona R, Prada MR, Ocampo MV, Gallo D, Gómez LM, Clavijo N. Utility and health-related quality of life measures in adult Colombian patients with solid tumours. Ecancermedicalscience 2021; 15:1240. [PMID: 34267796 PMCID: PMC8241453 DOI: 10.3332/ecancer.2021.1240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Indexed: 11/03/2022] Open
Abstract
According to a 2020 report, the World Health Organization explained how, in 20 years, the prevalence of cancer cases will increase by 60% worldwide. In lower-middle-income countries, this figure will be 74.07%. Therefore, the authors propose a series of recommendations, such as how to address both traditional health indicators and the psychosocial environment, to improve the health system. The objective of this study is to demonstrate the impact of cancer on the quality of life (QoL) and health status of oncology patients in Colombia. An observational cross-sectional study using patient reported outcomes tools, such as European Organization for Research and Treatment of Cancer (EORTC) Quality of Life of Cancer Patients (QLQ-C30) and EuroQoL-5 dimensions questionnaire-3 levels (EQ5D-3L), was carried out. The information of 356 people was compiled. They were contacted by patient associations. The results were analysed using descriptive and inferential statistics, using ordinary least squares methodology. For the EORTC QLQ-C30, overall health status was 66.05 (95% confidence interval: 63.78-68.32), on the functional scales, emotional and social function were the two scales with the lowest ratings (71.57 and 71.77), without any representative differences. For the EQ5D-3L, the average utility was 0.70 (Standard deviation: 0.20); 50% of people had a utility between 0.63 and 0.82. The analysed population was most affected in the following areas: financial difficulties, insomnia, anxiety, depression and emotional functioning, establishing the need for future interventions and the creation of public policies that generate a better QoL for patients.
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Affiliation(s)
| | - Martín Romero Prada
- Jorge Tadeo Lozano University, Calle 127a N 70h-42, Bogotá, Colombia
- Proyéctame Group, Transversal 60#124-20 Oficina 210, Colombia
| | | | - Duván Gallo
- Proyéctame Group, Transversal 60#124-20 Oficina 210, Colombia
| | | | - Natalia Clavijo
- Proyéctame Group, Transversal 60#124-20 Oficina 210, Colombia
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Seto Y, Kaneko Y, Mouri T, Fujii H, Tanaka S, Shiotsu S, Hiranuma O, Morimoto Y, Iwasaku M, Yamada T, Uchino J, Takayama K. Prognostic factors in older patients with wild-type epidermal growth factor receptor advanced non-small cell lung cancer: a multicenter retrospective study. Transl Lung Cancer Res 2021; 10:193-201. [PMID: 33569304 PMCID: PMC7867752 DOI: 10.21037/tlcr-20-894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Background Over 40% Japanese patients with lung cancer are above 75 years of age. A specific strategy to treat such older patients is necessary because most trials exclude older patients with poor physical health. Herein, we aimed to identify predictive factors associated with overall survival (OS) in older patients by evaluating patient backgrounds and laboratory data before the start of treatment. Methods This multicenter retrospective medical chart review study was conducted at three Japanese institutions and involved patients aged 75 years and above with epidermal growth factor receptor (EGFR) mutation-negative advanced non-small cell lung cancer (NSCLC). Of the patients, 75 had received best supportive care (BSC) and 49 mono-chemotherapy or platinum-doublet chemotherapy, including immune checkpoint inhibitors (ICIs). OS after diagnosis was analyzed using the Kaplan-Meier survival analysis. Cox proportional hazard models, which included age, Eastern Cooperative Oncology Group performance status (ECOG PS), staging, serum albumin levels, and receipt of chemotherapy were analyzed. Results Age at diagnosis was not shown to be related to OS in patients receiving BSC. In patients aged 81 years and above, the chemotherapy group tended to have longer survival than did the BSC group, but there was no statistically significant difference in the median OS between the two groups due to the very small number of subjects (n: 30 vs. 12, median: 52 vs. 30 weeks, hazard ratio: 0.512, 95% confidence interval: 0.232–1.130, P=0.088). The patients’ performance status and albumin levels at lung cancer diagnosis had the highest impact on OS in the BSC group. Conclusions Careful consideration should be given to the indications of chemotherapy for patients aged 81 years and above with wild-type EGFR advanced non-small lung cancer.
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Affiliation(s)
- Yurie Seto
- Department of Pulmonary Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yoshiko Kaneko
- Department of Pulmonary Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Takako Mouri
- Department of Pulmonary Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Hiroyuki Fujii
- Department of Respiratory Medicine, Japanese Red Cross Kyoto Daiichi Hospital, Kyoto, Japan
| | - Satomi Tanaka
- Department of Pulmonary Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Shinsuke Shiotsu
- Department of Respiratory Medicine, Japanese Red Cross Kyoto Daiichi Hospital, Kyoto, Japan
| | - Osamu Hiranuma
- Department of Respiratory Medicine, Otsu City Hospital, Shiga, Japan
| | - Yoshie Morimoto
- Department of Pulmonary Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Masahiro Iwasaku
- Department of Pulmonary Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Tadaaki Yamada
- Department of Pulmonary Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Junji Uchino
- Department of Pulmonary Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Koichi Takayama
- Department of Pulmonary Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan
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Mehlis K, Bierwirth E, Laryionava K, Mumm F, Heussner P, Winkler EC. Late decisions about treatment limitation in patients with cancer: empirical analysis of end-of-life practices in a haematology and oncology unit at a German university hospital. ESMO Open 2020; 5:e000950. [PMID: 33109628 PMCID: PMC7592262 DOI: 10.1136/esmoopen-2020-000950] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 09/15/2020] [Accepted: 09/16/2020] [Indexed: 12/25/2022] Open
Abstract
Background Decisions to limit treatment (DLTs) are important to protect patients from overtreatment but constitute one of the most ethically challenging situations in oncology practice. In the Ethics Policy for Advance Care Planning and Limiting Treatment study (EPAL), we examined how often DLT preceded a patient’s death and how early they were determined before (T1) and after (T2) the implementation of an intrainstitutional ethics policy on DLT. Methods This prospective quantitative study recruited 1.134 patients with haematological/oncological neoplasia in a period of 2×6 months at the University Hospital of Munich, Germany. Information on admissions, discharges, diagnosis, age, DLT, date and place of death, and time span between the initial determination of a DLT and the death of a patient was recorded using a standardised form. Results Overall, for 21% (n=236) of the 1.134 patients, a DLT was made. After implementation of the policy, the proportion decreased (26% T1/16% T2). However, the decisions were more comprehensive, including more often the combination of ‘Do not resuscitate’ and ‘no intense care unit’ (44% T1/64% T2). The median time between the determination of a DLT and the patient’s death was similarly short with 6 days at a regular ward (each T1/T2) and 10.5/9 (T1/T2) days at a palliative care unit. For patients with solid tumours, the DLTs were made earlier at both regular and palliative care units than for the deceased with haematological neoplasia. Conclusion Our results show that an ethics policy on DLT could sensitise for treatment limitations in terms of frequency and extension but had no significant impact on timing of DLT. Since patients with haematological malignancies tend to undergo intensive therapy more often during their last days than patients with solid tumours, special attention needs to be paid to this group. To support timely discussions, we recommend the concept of advance care planning.
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Affiliation(s)
- Katja Mehlis
- Medical Oncology, National Center for Tumor Diseases Heidelberg, Heidelberg, Germany.
| | - Elena Bierwirth
- Institut für physikalische und rehabilitative Medizin, Klinikum Ingolstadt GmbH, Ingolstadt, Germany
| | - Katsiaryna Laryionava
- Medical Oncology, National Center for Tumor Diseases Heidelberg, Heidelberg, Germany
| | - Friederike Mumm
- Department of Medicine III, University Hospital Munich, Munich, Germany
| | - Pia Heussner
- Zentrum Innere Medizin, Klinikum Garmisch-Partenkirchen GmbH, Garmisch-Partenkirchen, Germany
| | - Eva C Winkler
- Medical Oncology, National Center for Tumor Diseases Heidelberg, Heidelberg, Germany
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Milki A, Mann AK, Gardner A, Kapp DS, English D, Chan JK. Trends in the Utilization of Palliative Care in Patients With Gynecologic Cancer Who Subsequently Died During Hospitalization. Am J Hosp Palliat Care 2020; 38:138-146. [PMID: 32633550 DOI: 10.1177/1049909120935038] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
OBJECTIVE To determine factors associated with the utilization of palliative care (PC) in patients with metastatic gynecologic cancer who died while hospitalized. METHODS Data were abstracted from the National Inpatient Sample database for patients with cervical, uterine, and ovarian cancers from 2005 to 2011. Chi-squared and logistic regression models were used for statistical analyses. RESULTS Of 4559 women (median age: 65 years; range: 19-102), 1066 (23.4%) utilized PC. Patients were 24.9% low socioeconomic status (SES), 23.9% low-middle, 23.7% middle-high, and 25.1% high SES. Medicare, Medicaid, and private insurance coverage were listed at 46.2%, 37.5%, 11.3% of patients; 36.2%, 21.1%, 18.1%, 24.6% were treated in the South, West, Midwest, and Northeast. Over the 7 year study period, the use of PC increased from 12% to 45%. Older age (odds ratio [OR]: 1.36; 95% CI: 1.11-1.68; P = .003), high SES (OR: 1.41; 95% CI: 1.12-1.78; P = .003), more recent treatment (OR: 9.22; 95% CI: 6.8-12.51; P < .0001), private insurance (OR: 1.81; 95% CI: 1.46-2.25; P < .001), and treatment at large-volume hospitals (OR: 1.36; 95% CI: 1.04-1.77; P = .02), Western (OR: 2.00; 95% CI: 1.61-2.49; P < .001) and Midwestern hospitals (OR: 1.35; 95% CI: 1.08-1.68; P = .001) were associated with higher utilization of PC. CONCLUSIONS The use of inpatient PC for patients with gynecologic cancer increased over time. The lower utilization of PC for terminal illness was associated with younger age, lower SES, government-issued insurance coverage, and treatment in Southern and smaller volume hospitals, and warrants further attention.
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Affiliation(s)
- Anthony Milki
- 43989George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Amandeep Kaur Mann
- 33314Palo Alto Medical Foundation Research Institute, Palo Alto, CA, USA
| | - Austin Gardner
- 12219University of California, Irvine School of Medicine, Irvine,CA, USA
| | - Daniel Stuart Kapp
- Department of Radiation Oncology, 10624Stanford University School of Medicine, Stanford, CA, USA
| | - Diana English
- Division of Gynecologic Oncology, 33697University of South Florida, Tampa, FL, USA.,Division of Palliative Medicine, 33697University of South Florida, Tampa, FL, USA
| | - John K Chan
- Division of Gynecologic Oncology, 7153California Pacific-Palo Alto Medical Foundation, Sutter Research Institute, San Francisco, CA, USA
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Evans JM, Mackinnon M, Pereira J, Earle CC, Gagnon B, Arthurs E, Gradin S, Buchman S, Wright FC. Integrating early palliative care into routine practice for patients with cancer: A mixed methods evaluation of the INTEGRATE Project. Psychooncology 2019; 28:1261-1268. [PMID: 30946500 DOI: 10.1002/pon.5076] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 03/27/2019] [Accepted: 04/01/2019] [Indexed: 12/25/2022]
Abstract
OBJECTIVE With increasing evidence from controlled trials on benefits of early palliative care, there is a need for studies examining implementation in real-world settings. The INTEGRATE Project was a 3-year real-world project that promoted early identification and support of patients with cancer who may benefit from palliative care. This study assesses feasibility, stakeholder experiences, and early impact of the INTEGRATE Project METHODS: The INTEGRATE Project was implemented in four cancer centers in Ontario, Canada, and consisted of interdisciplinary provider education and an integrated care model. Providers used the Surprise Question to identify patients for inclusion. A mixed methods evaluation of INTEGRATE was conducted using descriptive data, interviews with providers and managers, and provider surveys. RESULTS A total of 760 patients with cancer (lung, glioblastoma, head and neck, gastrointestinal) were included. Results suggest improvement in provider confidence to deliver palliative care and to initiate the Advanced Care Planning (ACP) conversation. The majority of patients (85%) had an ACP or goals of care (GOC) conversation initiated within a mean time to conversation of 5-46 days (SD 20-93) across centers. A primary care report was transmitted to family doctors 48-100% of the time within a mean time to transmission of 7-54 days (SD 9-27) across centers. Enablers and barriers influencing success of the model were also identified. CONCLUSIONS A standardized model for the early introduction of palliative care for patients with cancer can be integrated into the routine practice of oncology providers, with appropriate education, integration into existing clinical workflows, and administrative support.
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Affiliation(s)
- Jenna M Evans
- Integrated Care Unit, Cancer Care Ontario, Toronto.,DeGroote School of Business, McMaster University, Hamilton
| | | | - Jose Pereira
- Academic Family Medicine Division, College of Family Physicians of Canada, Mississauga.,School of Medicine, Faculty of Health Sciences, Queen's University, Kingston.,Division of Palliative Care, Department of Family Medicine, University of Ottawa, Ottawa.,Division of Palliative Care, Faculty of Health Sciences, McMaster University, Hamilton.,Pallium Canada, Ottawa
| | - Craig C Earle
- Institute for Clinical and Evaluative Sciences, Sunnybrook Health Sciences Centre, Toronto
| | - Bruno Gagnon
- Department of Family Medicine and Emergency Medicine, Cancer Research Centre, Laval University, Quebec City
| | - Erin Arthurs
- Integrated Care Unit, Cancer Care Ontario, Toronto
| | | | - Sandy Buchman
- The Temmy Latner Centre for Palliative Care, Sinai Health System, Toronto.,Division of Palliative Care, Department of Family & Community Medicine, University of Toronto, Toronto
| | - Frances C Wright
- Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto.,Department of Surgery, Faculty of Medicine, University of Toronto, Toronto
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Sarradon-Eck A, Besle S, Troian J, Capodano G, Mancini J. Understanding the Barriers to Introducing Early Palliative Care for Patients with Advanced Cancer: A Qualitative Study. J Palliat Med 2019; 22:508-516. [PMID: 30632886 DOI: 10.1089/jpm.2018.0338] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Background: Palliative care is often underutilized or initiated late in the course of life-threatening illness. Randomized clinical Early Palliative Care (EPC) trials provide an opportunity for changing oncologists' perceptions of palliative care and their attitudes to referring patients to palliative care services. Aim: To describe French oncologists' perceptions of EPC and their effects on referral practices before a clinical EPC trial was launched. Design: A qualitative study involving semistructured face-to-face interviews. The data were analyzed using the Grounded Theory coding method. Setting/Participants: Thirteen oncologists and 19 palliative care specialists (PCSs) working at 10 hospitals all over France were interviewed. Most of them were involved in clinical EPC trials. Results: The findings suggest that referral to PCSs shortly after the diagnosis of advanced cancer increases the terminological barriers, induces avoidance patterns, and makes early disclosure of poor prognosis harder for oncologists. This situation is attributable to the widespread idea that palliative care means terminal care. In addition, the fact that the EPC concept is poorly understood increases the confusion between EPC and supportive care. Conclusion: Defining the EPC concept more clearly and explaining to health professionals and patients what EPC consists of and what role it is intended to play, and the potential benefits of palliative care services could help to overcome the wording barriers rooted in the traditional picture of palliative care. In addition, training French oncologists how to disclose "bad news" could help them cope with the emotional issues involved in referring patients to specialized palliative care.
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Affiliation(s)
- Aline Sarradon-Eck
- 1 Aix Marseille University, INSERM, IRD, SESSTIM, Economics and Social Science Applied to Health & Analysis of Medical Information, Marseille, France.,2 Institut Paoli-Calmettes, Cancer, Biomedicine & Society, Marseille, France
| | - Sylvain Besle
- 1 Aix Marseille University, INSERM, IRD, SESSTIM, Economics and Social Science Applied to Health & Analysis of Medical Information, Marseille, France.,3 Drug Development Department (DITEP), Gustave Roussy, University Paris-Sud, University Paris-Saclay, Villejuif, France
| | - Jaïs Troian
- 4 Aix-Marseille University, Psychologie, Marseille, France
| | - Géraldine Capodano
- 5 Institut Paoli-Calmettes, Département de Soins de Support et Palliatifs, Marseille, France
| | - Julien Mancini
- 6 Aix-Marseille University, APHM, INSERM, IRD, SESSTIM, Economics and Social Science Applied to Health and Analysis of Medical Information, Hop Timone, BioSTIC, Biostatistique et Technologies de l'Information et de la Communication, Marseille, France
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Laryionava K, Heußner P, Hiddemann W, Winkler EC. "Rather one more chemo than one less…": Oncologists and Oncology Nurses' Reasons for Aggressive Treatment of Young Adults with Advanced Cancer. Oncologist 2017; 23:256-262. [PMID: 29133515 DOI: 10.1634/theoncologist.2017-0094] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Accepted: 08/17/2017] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Empirical research demonstrates that there is a tendency to administer tumor-directed therapy to patients with advanced cancer close to death, especially if they are young. The aim of this qualitative study was to understand oncologists' treatment decisions and oncology nurses' perception of these decisions in young adult patients and to investigate the extent to which young age was a factor in cancer treatment decisions. MATERIALS AND METHODS We conducted 29 face-to-face interviews with oncologists and oncology nurses at the Department of Hematology and Oncology at the University Hospital in Munich, Germany. The interviews were analyzed according to the grounded theory approach. RESULTS Oncologists and nurses reported that decisions about limiting cancer treatment with young adult patients are the most challenging and stressful in clinical practice. Apart from using young age as a proxy for patient's medical fitness, oncologists' decisions in favor of more aggressive treatment of younger patients were mainly guided by ethical reasons such as patient preferences and the perceptions of injustice associated with dying at a young age, as well as by psychological reasons, such as identification and emotional entanglement. CONCLUSION "Struggling" together with the patient against the injustice of dying young for a longer lifetime is an important factor driving aggressive treatment in young adult patients. However, oncologists might run a risk of neglecting other ethical aspects, such as a principle of nonmaleficence, that might even result in life-shortening adverse events. IMPLICATIONS FOR PRACTICE This study identifies two ethical and one psychological reasons for patients' overtreatment: 1) patients' preference for further treatment; 2) oncologists' perception of un-fairness of dying young; and 3) identification and emotional entanglement with patient. These findings emphasize the need for oncologists' awareness of the reasons guiding their treatment decisions - a sole focus on patients' preferences and on the fighting against the unfairness of dying young might lead to neglecting obligations of non-maleficence. Self-reflection, the balance of empathy and professional distance as well as timely end of life discussions and involvement of psycho-oncologists are needed in the care of young cancer patients.
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Affiliation(s)
- Katsiaryna Laryionava
- Department of Medical Oncology, National Center for Tumor Diseases, Programme for Ethics and Patient-Oriented Care in Oncology, Heidelberg University Hospital, Heidelberg, Germany
| | - Pia Heußner
- Department of Internal Medicine III, University Hospital Großhadern; Ludwig-Maximilian University, Munich, Germany
- Interdisciplinary Center of Psycho-Oncology, University Hospital Grosshadern, Ludwig-Maximilians University, Munich, Germany
| | - Wolfgang Hiddemann
- Department of Internal Medicine III, University Hospital Großhadern; Ludwig-Maximilian University, Munich, Germany
| | - Eva C Winkler
- Department of Medical Oncology, National Center for Tumor Diseases, Programme for Ethics and Patient-Oriented Care in Oncology, Heidelberg University Hospital, Heidelberg, Germany
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Abstract
Within the framework of the Choosing wisely initiative of the German Society for Internal Medicine, all scientific societies associated with internal medicine were requested to highlight the unnecessary or underused medical tests or procedures out of the 60 defined examples, which are of immediate relevance within the doctor-patient interaction. Each of the 12 scientific internal medicine societies compiled and substantiated 2 recommendations. This resulted in a spectrum of important recommendations covering the entire field of internal medicine. In difficult situations these recommendations should contribute to developing and supporting the dialogue with patients on an evidence-based level.
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Affiliation(s)
- U R Fölsch
- Klinik für Innere Medizin 1, Universitätsklinikum Schleswig-Holstein, Campus Kiel, Schittenhelmstr. 12, 24105, Kiel, Deutschland.
| | - G Hasenfuß
- Klinik für Kardiologie und Pneumologie, Zentrum für Innere Medizin, Georg-August-Universität Göttingen, Göttingen, Deutschland
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12
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Meffert C, Gaertner J, Seibel K, Jors K, Bardenheuer H, Buchheidt D, Mayer-Steinacker R, Viehrig M, Paul C, Stock S, Xander C, Becker G. Early Palliative Care-Health services research and implementation of sustainable changes: the study protocol of the EVI project. BMC Cancer 2015; 15:443. [PMID: 26022223 PMCID: PMC4448282 DOI: 10.1186/s12885-015-1453-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2014] [Accepted: 05/20/2015] [Indexed: 11/13/2022] Open
Abstract
Background International medical organizations such as the American Society of Medical Oncology recommend early palliative care as the “gold standard” for palliative care in patients with advanced cancer. Nevertheless, even in Comprehensive Cancer Centers, early palliative care is not yet routine practice. The main goal of the EVI project is to evaluate whether early palliative care can be implemented—in the sense of “putting evidence into practice”—into the everyday clinical practice of Comprehensive Cancer Centers. In addition, we are interested in (1) describing the type of support that patients would like from palliative care, (2) gaining information about the effect of palliative care on patients’ quality of life, and (3) understanding the economic burden of palliative care on patients and their families. Methods/design The EVI project is a multi-center, prospective cohort study with a sequential control group design. The study is a project of the Palliative Care Center of Excellence (KOMPACT) in Baden-Württemberg, Germany, which was recently established to combine the expertise of five academic, specialist palliative care departments. The study is divided into two phases: preliminary phase (months 1–9) and main study phase (months 10–18). In each of all five participating academic Comprehensive Cancer Centers, an experienced palliative care physician will be hired for 18 months. During the preliminary phase, the physician will be allowed time to establish the necessary structures for early palliative care within the Comprehensive Cancer Center. In the main study phase, patients with metastatic cancer will be offered a consultation with the palliative care physician within eight weeks of diagnosis. After the initial consultation, follow-up consultations will be offered as needed. The study is built upon a convergent parallel design. In the quantitative arm, patients will be surveyed in both the preliminary and main study phase at three points in time (baseline, 12 weeks, 24 weeks). Standardized questionnaires will be used to measure patients’ quality of life, symptom burden and mood. Using interviews with palliative care physicians, oncologists, department heads, patients and their caregivers, the qualitative arm will explore (1) what factors encourage and hinder the early integration of palliative care into standard oncology care, (2) what support patients and their caregivers would like from palliative care, and (3) what effect palliative care has on the economic disease burden of patients and their families. Discussion The study proposed is meant to serve as a catalyzer. Local palliative care teams should be put in position to routinely cooperate with the primary treating department at their respective cancer center. The long-term goal of this project is to create sustainable improvements in the care of patients with incurable cancer. Trial registration DRKS00006162; date of registration: 19/05/2014
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Affiliation(s)
- Cornelia Meffert
- Department of Palliative Care, Comprehensive Cancer Center, University Medical Center Freiburg, Freiburg, Germany. .,Department of Palliative Care, Palliative Care Research Group, University Medical Center Freiburg, Robert-Koch-Str. 3, 79106, Freiburg, Germany.
| | - Jan Gaertner
- Department of Palliative Care, Comprehensive Cancer Center, University Medical Center Freiburg, Freiburg, Germany.,Palliative Care Center of Excellence for Baden-Wuerttemberg, Baden-Wuerttemberg, Germany
| | - Katharina Seibel
- Department of Palliative Care, Comprehensive Cancer Center, University Medical Center Freiburg, Freiburg, Germany
| | - Karin Jors
- Department of Palliative Care, Comprehensive Cancer Center, University Medical Center Freiburg, Freiburg, Germany
| | - Hubert Bardenheuer
- Palliative Care Center of Excellence for Baden-Wuerttemberg, Baden-Wuerttemberg, Germany.,Department of Anesthesiology, Comprehensive Cancer Center, University Medical Center Heidelberg, Heidelberg, Germany
| | - Dieter Buchheidt
- Palliative Care Center of Excellence for Baden-Wuerttemberg, Baden-Wuerttemberg, Germany.,Department of Hematology and Oncology, Comprehensive Cancer Center, Mannheim University Hospital, University of Heidelberg, Heidelberg, Germany
| | - Regine Mayer-Steinacker
- Palliative Care Center of Excellence for Baden-Wuerttemberg, Baden-Wuerttemberg, Germany.,Department of Hematology and Oncology, Comprehensive Cancer Center, University Medical Center Ulm, Ulm, Germany
| | - Marén Viehrig
- Palliative Care Center of Excellence for Baden-Wuerttemberg, Baden-Wuerttemberg, Germany.,Department of Radiation Oncology, Comprehensive Cancer Center, University Medical Center Tuebingen, Tuebingen, Germany
| | | | - Stephanie Stock
- Institute of Health Economics and Clinical Epidemiology, University Clinic of Cologne (AöR), Cologne, Germany
| | - Carola Xander
- Department of Palliative Care, Comprehensive Cancer Center, University Medical Center Freiburg, Freiburg, Germany
| | - Gerhild Becker
- Department of Palliative Care, Comprehensive Cancer Center, University Medical Center Freiburg, Freiburg, Germany.,Palliative Care Center of Excellence for Baden-Wuerttemberg, Baden-Wuerttemberg, Germany
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Pfeil TA, Laryionava K, Reiter-Theil S, Hiddemann W, Winkler EC. What keeps oncologists from addressing palliative care early on with incurable cancer patients? An active stance seems key. Oncologist 2014; 20:56-61. [PMID: 25361623 DOI: 10.1634/theoncologist.2014-0031] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Sympathetic and frank communication about the terminal nature of advanced cancer is important to improve patients' prognostic understanding and, thereby, to allow for adjustment of treatment intensity to realistic goals; however, decisions against aggressive treatments are often made only when death is imminent. This qualitative study explores the factors that hinder such communication and reconstructs how physicians and nurses in oncology perceive their roles in preparing patients for end-of-life (EOL) decisions. METHODS Qualitative in-depth interviews were conducted with physicians (n = 12) and nurses (n = 6) working at the Department of Hematology/Oncology at the university hospital in Munich, Germany. The data were analyzed using grounded theory methodology and discussed from a medical ethics perspective. RESULTS Oncologists reported patients with unrealistic expectations to be a challenge for EOL communication that is especially prominent in comprehensive cancer centers. Oncologists responded to this challenge quite differently by either proactively trying to facilitate advanced care planning or passively leaving the initiative to address preferences for care at the EOL to the patient. A major impediment to the proactive approach was uncertainty about the right timing for EOL discussions and about the balancing the medical evidence against the physician's own subjective emotional involvement and the patient's wishes. CONCLUSION These findings provide explanations of why EOL communication is often started rather late with cancer patients. For ethical reasons, a proactive stance should be promoted, and oncologists should take on the task of preparing patients for their last phase of life. To do this, more concrete guidance on when to initiate EOL communication is necessary to improve the quality of decision making for advanced cancer patients.
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Affiliation(s)
- Timo A Pfeil
- Department of Internal Medicine III (Hematology and Oncology), University Hospital Grosshadern, Munich, Germany; Department of Medical Oncology, Program for Ethics and Patient-Oriented Care in Oncology, National Center for Tumor Diseases, Heidelberg University Hospital, Heidelberg, Germany; Clinical Ethics, University Hospital Basel, Psychiatric Hospitals of the University Basel, Basel, Switzerland
| | - Katsiaryna Laryionava
- Department of Internal Medicine III (Hematology and Oncology), University Hospital Grosshadern, Munich, Germany; Department of Medical Oncology, Program for Ethics and Patient-Oriented Care in Oncology, National Center for Tumor Diseases, Heidelberg University Hospital, Heidelberg, Germany; Clinical Ethics, University Hospital Basel, Psychiatric Hospitals of the University Basel, Basel, Switzerland
| | - Stella Reiter-Theil
- Department of Internal Medicine III (Hematology and Oncology), University Hospital Grosshadern, Munich, Germany; Department of Medical Oncology, Program for Ethics and Patient-Oriented Care in Oncology, National Center for Tumor Diseases, Heidelberg University Hospital, Heidelberg, Germany; Clinical Ethics, University Hospital Basel, Psychiatric Hospitals of the University Basel, Basel, Switzerland
| | - Wolfgang Hiddemann
- Department of Internal Medicine III (Hematology and Oncology), University Hospital Grosshadern, Munich, Germany; Department of Medical Oncology, Program for Ethics and Patient-Oriented Care in Oncology, National Center for Tumor Diseases, Heidelberg University Hospital, Heidelberg, Germany; Clinical Ethics, University Hospital Basel, Psychiatric Hospitals of the University Basel, Basel, Switzerland
| | - Eva C Winkler
- Department of Internal Medicine III (Hematology and Oncology), University Hospital Grosshadern, Munich, Germany; Department of Medical Oncology, Program for Ethics and Patient-Oriented Care in Oncology, National Center for Tumor Diseases, Heidelberg University Hospital, Heidelberg, Germany; Clinical Ethics, University Hospital Basel, Psychiatric Hospitals of the University Basel, Basel, Switzerland
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Jors K, Adami S, Xander C, Meffert C, Gaertner J, Bardenheuer H, Buchheidt D, Mayer-Steinacker R, Viehrig M, George W, Becker G. Dying in cancer centers: do the circumstances allow for a dignified death? Cancer 2014; 120:3254-60. [PMID: 25200536 DOI: 10.1002/cncr.28702] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Revised: 02/25/2014] [Accepted: 02/25/2014] [Indexed: 12/13/2022]
Abstract
BACKGROUND Prior research has shown that hospitals are often ill-prepared to provide care for dying patients. This study assessed whether the circumstances for dying on cancer center wards allow for a dignified death. METHODS In this cross-sectional study, the authors surveyed physicians and nurses in 16 hospitals belonging to 10 cancer centers in Baden-Wuerttemberg, Germany. A revised questionnaire from a previous study was used, addressing the following topics regarding end-of-life care: structural conditions (ie, rooms, staff), education/training, working environment, family/caregivers, medical treatment, communication with patients, and dignified death. RESULTS In total, 1131 surveys (response rate = 50%) were returned. Half of the participants indicated that they rarely have enough time to care for dying patients, and 55% found the rooms available for dying patients unsatisfactory. Only 19% of respondents felt that they had been well-prepared to care for the dying (physicians = 6%). Palliative care staff reported much better conditions for the dying than staff from other wards (95% of palliative care staff indicated that patients die in dignity on their ward). Generally, physicians perceived the circumstances much more positively than nurses, especially regarding communication and life-prolonging measures. Overall, 57% of respondents believed that patients could die with dignity on their ward. CONCLUSIONS Only about half of the respondents perceived that a dignified death is possible on their ward. We recommend that cancer centers invest more in staffing, adequate rooms for dying patients, training in end-of-life care, advance-care planning standards, and the early integration of specialist palliative care services.
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Affiliation(s)
- Karin Jors
- Department of Palliative Care, Comprehensive Cancer Center, University Medical Center Freiburg, Freiburg, Germany
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Laryionava K, Heußner P, Hiddemann W, Winkler EC. Framework for timing of the discussion about forgoing cancer-specific treatment based on a qualitative study with oncologists. Support Care Cancer 2014; 23:715-21. [PMID: 25172311 DOI: 10.1007/s00520-014-2416-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Accepted: 08/18/2014] [Indexed: 11/28/2022]
Abstract
BACKGROUND Many patients with advanced cancer receive aggressive chemotherapy close to death and are referred too late to palliative or hospice care. AIM The aim of this study was to investigate oncologists' and oncology nurses' perceptions of the optimal timing for discussions about forgoing cancer-specific therapy at the End-of-Life (EOL) and the reasons that might hinder them. DESIGN Qualitative in-depth interviews with oncologists and oncology nurses were carried out. The empirical data were evaluated from a normative perspective. SETTING/PARTICIPANTS Twenty-nine physicians and nurses working at the Department of Hematology and Oncology of a German university hospital were interviewed. RESULTS Health-care professionals differed considerably in their understanding of when to initiate discussions about forgoing cancer-specific therapy at the EOL. However, their views could be consolidated into three approaches: (1) preparing patients gradually throughout the course of disease (anticipatory approach) which is best suited to empower patient self-determination in decision-making, (2) waiting until the patient him/herself starts the discussion about forgoing cancer-specific treatment, and (3) waiting until all tumor-specific therapeutic options are exhausted. CONCLUSION The empirically informed ethical analysis clearly favors an approach that prepares patients for forgoing cancer-specific therapy throughout the course of disease. Since the last two approaches often preclude advance care planning, these approaches may be less ethically acceptable. The proposed framework could serve as a starting point for the development of concrete recommendations on the optimal timing for EOL discussions.
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Affiliation(s)
- K Laryionava
- Department of Medical Oncology, National Center for Tumor Diseases (NCT), Programme for Ethics and Patient-oriented Care, Heidelberg University Hospital , Im Neuenheimer Feld 460, 69120, Heidelberg, Germany,
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Rugno FC, Paiva BSR, Nunes JS, Paiva CE. "There won't' be anything else...it's over": perceptions of women referred to palliative care only. Eur J Oncol Nurs 2014; 18:261-6. [PMID: 24485465 DOI: 10.1016/j.ejon.2014.01.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Revised: 12/17/2013] [Accepted: 01/08/2014] [Indexed: 12/25/2022]
Abstract
BACKGROUND It is not well-known how women with advanced breast and gynecological cancers cope with the transition to palliative care (PC) only, but we anticipate that this is a challenging situation for them. OBJECTIVE To investigate women's understanding on the reasons of anticancer treatment withdrawal, their ideas about PC, and also perceptions of the communication of bad news. METHOD Twenty women were interviewed by a single researcher after being informed that their antineoplastic treatment would be discontinued and they would be exclusively monitored by PC staff. The interviews were audiotaped, transcribed verbatim, and analyzed according to content analysis. RESULTS Three categories were identified in the participants' narratives: (1) an understanding of the meaning of PC; (2) a lack of understanding of the shift in treatment and follow-up; (3) differing perspectives about hope. The PC Unit was stigmatized as a place to die, resulting in a "place to die" subcategory. The narratives of the participants who previously had experienced PC converged on a subcategory that reveals better recognition of the importance of the PC Unit as "a place that enhances the quality of life". CONCLUSION The participants manifested little knowledge about PC and the forthcoming strategies for their clinical follow-up. In addition, the PC Unit was patently stigmatized as a place to die. Early referral to PC seems to be associated with a less painful therapeutic transition, based on more accurate knowledge of the importance of PC.
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Affiliation(s)
- Fernanda Capella Rugno
- Palliative Care Department, Barretos Cancer Hospital, Pio XII Foundation, Barretos, SP, Brazil.
| | - Bianca Sakamoto Ribeiro Paiva
- Researcher Support Center, Learning and Research Institute, Barretos Cancer Hospital, Pio XII Foundation, Barretos, SP, Brazil.
| | - João Soares Nunes
- Department of Clinical Oncology, Barretos Cancer Hospital, Pio XII Foundation, Barretos, SP, Brazil.
| | - Carlos Eduardo Paiva
- Department of Clinical Oncology and Researcher Support Center, Learning and Research Institute, Barretos Cancer Hospital, Pio XII Foundation, Barretos, SP, Brazil.
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Abstract
PURPOSE OF REVIEW As the benefit of early palliative care for the quality of life of patients with advanced cancer is currently receiving widespread recognition, cancer specialists increasingly inquire about the practical implications of this concept. This publication presents the available information about how to provide early palliative care for patients with advanced cancer. RECENT FINDINGS Oncologists and other cancer specialists provide general palliative care from the time of diagnosis of incurable cancer together with the patients' family doctors. This includes basic assessment of symptoms and distress, their initial management as well as sensitive communication with the patient, including advance care planning and end-of-life issues and hope. The additional integration of a specialized palliative care team early in the care trajectory has been found to be beneficial for quality of life and survival. This concept is known as 'early palliative care' or 'early integration' and has become recommended by institutions such as the American Society of Clinical Oncology. SUMMARY Palliative care is warranted from the time of diagnosis of incurable cancer. From this early stage, palliative care consists of general palliative care provided by cancer specialists and family doctors and additional support of a specialized palliative care program. Guidance from different guidelines is presented alongside practical recommendations derived from our experience with an early palliative care program for comprehensive cancer care over the last 7 years.
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Managing brain metastases patients with and without radiotherapy: initial lessonsfrom a team-based consult service through a multidisciplinary integrated palliative oncology clinic. Support Care Cancer 2013; 21:3379-86. [PMID: 23934224 DOI: 10.1007/s00520-013-1917-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2013] [Accepted: 07/22/2013] [Indexed: 12/13/2022]
Abstract
PURPOSE A new ambulatory consultative clinic with integrated assessments by palliative care, radiation oncology, and allied health professionals was introduced to (1) assess patients with brain metastases at a regional comprehensive cancer center and (2) inform and guide patients on management strategies, including palliative radiotherapy, symptom control, and end-of-life care issues. We conducted a quality assurance study to inform clinical program development. METHODS Between January 2011 and May 2012, 100 consecutive brain metastases patients referred and assessed through a multidisciplinary clinic were evaluated for baseline characteristics, radiotherapy use, and supportive care decisions. Overall survival was examined by known prognostic groups. Proportion of patients receiving end-of-life radiotherapy (death within 30 and 14 days of brain radiotherapy) was used as a quality metric. RESULTS The median age was 65 years, with non-small cell lung cancer (n = 38) and breast cancer (n = 23) being the most common primary cancers. At least 57 patients were engaged in advance care planning discussions at first consult visit. In total, 75 patients eventually underwent brain radiotherapy, whereas 25 did not. The most common reasons for nonradiotherapy management were patient preference and rapid clinical deterioration. Overall survival for prognostic subgroups was consistent with literature reports. End-of-life brain radiotherapy was observed in 9 % (death within 30 days) and 1 % (within 14 days) of treated patients. CONCLUSIONS By integrating palliative care expertise to address the complex needs of patients with newly diagnosed brain metastases, end-of-life radiotherapy use appears acceptable and improved over historical rates at our institution. An appreciable proportion of patients are not suitable for palliative brain radiotherapy or opt against this treatment option, but the team approach involving nurses, palliative care experts, allied health, and clinical oncologists facilitates patient-centered decision making and transition to end-of-life care.
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Gaertner J, Drabik A, Marschall U, Schlesiger G, Voltz R, Stock S. Inpatient Palliative Care: A nationwide analysis. Health Policy 2013; 109:311-8. [DOI: 10.1016/j.healthpol.2012.07.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2011] [Revised: 06/19/2012] [Accepted: 07/22/2012] [Indexed: 10/28/2022]
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Are there several kinds of palliative care? Curr Opin Oncol 2012; 24:355-6. [DOI: 10.1097/cco.0b013e32835310c8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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