Physiotherapy - Theses

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    The lived experience of people living with obesity in hospital and the staff who care for them
    Pazsa, Fiona Michelle ( 2023-08)
    Worldwide obesity rates are increasing at an alarming rate (World Health Organization, 2000). As the rate of obesity increases, the number of people admitted to hospital who are obese also increases (World Health Organization, 2000). Caring for people with obesity in hospital is a key challenge for healthcare systems internationally (Rossner, 2002). Research indicates that due to their complex care needs, hospital patients with obesity incur a greater health expenditure per patient and have poorer outcomes compared to patients of normal weight (Buchmueller & Johar, 2015). Caring for people with obesity can be challenging, impacting on the experience of both the person themselves and the staff providing care. There is a gap in the literature regarding care experiences of people with obesity in the inpatient hospital setting. A strong understanding of the consumer perspective is required to ensure care delivery addresses the factors that are perceived to be important to both people with obesity in the hospital context, and the staff that care for them. The overall objective of this thesis was to inform the delivery of safe, effective, and high-quality care for these patients. A scoping review was undertaken to investigate the pre-existing evidence, and establish the known knowledge gaps. Then, qualitative studies were conducted that explored both the perspective of the lived experience of people with obesity in hospital, and the staff that care for them. This work demonstrated that the environment in which care was delivered, including the timely provision and adequacy of infrastructure and equipment, was the most dominant theme for both people with obesity in hospital and the staff that provide care. The design of hospital environments must consider people with obesity and equipment that supports staff to deliver care should be provided early in the admission. This includes low cost, basic care items such as clinical equipment (like appropriately sized blood pressure cuffs), simple assistive technology, gowns, and continence aids. An emphasis on basic principles of patient centred care to enhance interpersonal interactions and maintain patient dignity, along with improved awareness of the impact of weight bias and obesity stigma were also important. Staff suggested that negative attitudes and gaps in staff knowledge may be addressed through role modelling and system wide training programs which include practical skill development, language education, and presentation of the patient perspective to stimulate discussion and reflective practice. The opportunity for staff to debrief following challenging encounters should also be provided. Such programs could be implemented and tested for efficacy in addressing outcomes for this patient cohort, then scaled up if found to be effective. Findings of this thesis provide important insights into future models of care that could be developed and tested and may be transferable to other healthcare settings. Outcomes form the basis for the development of evidence based strategies to improve the care of this vulnerable and often stigmatised cohort.
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    Multidisciplinary prehabilitation in clinical practice for haematologic patients receiving high dose chemotherapy with autologous stem cell transplant
    Crowe, Jessica ( 2023-04)
    Autologous stem cell transplant (AuSCT) is an intensive treatment for patients with haematologic cancer, with the potential for significant functional and psychological decline. Cancer prehabilitation is a package of care provided prior to major oncological treatment that aims to mitigate this decline. Currently the predominance of prehabilitation evidence is in efficacy trials in surgical cohorts. In these populations, findings for prehabilitation are broadly favourable. Despite this, the uptake of routine prehabilitation into clinical services remains low, especially in Australia. Hence, evidence evaluating implementation and effectiveness of prehabilitation in clinical practice is limited. Research examining prehabilitation in real-world settings is needed to inform further service development. The studies reported in this thesis aimed to (1) evaluate the impact of a new allied health prehabilitation service for haematologic patients receiving AuSCT in a tertiary cancer centre; and (2) identify health care professionals’ (HCPs) perceptions of enablers and barriers to two behaviours: referral for, and delivery of, multidisciplinary prehabilitation prior to AuSCT. Study one analysed 12 months of prospectively collected data. Impact and operational success were investigated using the Reach, Effectiveness, Adoption, Implementation, Maintenance (RE-AIM) framework. Patients were representative of Australian AuSCT patients on key demographic variables and clinically relevant improvements in outcomes were demonstrated, however missing data were an issue. The service was well adopted by clinicians and fidelity of exercise prescription (Implementation) was moderate. The referral trend over time (Maintenance) was high after the initiation period. Study two was based on the Theoretical Domains Framework (TDF) of behaviour change. Fourteen HCPs at a tertiary cancer centre participated in semi-structured interviews based on the TDF. Novel findings included the predominance of reported enablers in comparison to barriers. Enablers included: the belief that patients will benefit from prehabilitation; and that face-to-face initial assessments and multidisciplinary teamwork are essential. These studies evaluated prehabilitation in clinical practice prior to AuSCT and provided original contributions to knowledge in this area. Evidence informed recommendations for prehabilitation service delivery are presented, that may support implementation of prehabilitation programs in hospital settings where uptake remains low. Findings may not be generalisable to all oncology populations and settings, in particular, organisations in which prehabilitation is not already included in hospital policy. There is scope for further research into prehabilitation implementation solutions, to inform best practice care and improve outcomes.
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    Prehabilitation for individuals having lung cancer surgery
    Shukla, Anna ( 2020)
    Non-small cell lung cancer (NSCLC) is the fourth most commonly diagnosed cancer in males and the fourth most commonly diagnosed cancer in females in Australia. It is the leading cause of cancer-related mortality, being responsible for more deaths than breast, colorectal and prostate cancer combined. Pulmonary resection provides the best chance of a cure for patients with early stage lung cancer. However, pulmonary resection is associated with significant impairment in functional capacity along with a moderate risk of postoperative morbidity, particularly in frail or deconditioned patients. Prehabilitation is defined as “a process on the continuum of care that occurs between the time of cancer diagnosis and the beginning of acute treatment that, in the perioperative setting, aims to enhance functional capacity of the individuals to enable them to withstand the stress associated with a procedure”. Prehabilitation can include a care bundle incorporating smoking cessation, diet optimization, psychosocial support and exercise, and aims to identify impairments and deliver targeted interventions that improve patient outcomes. It provides an opportunity to decrease treatment-related morbidity, increase available treatment options for patients who would not otherwise be surgical candidates and facilitate return of patients to the highest possible functional level. There is a growing body of evidence that supports prehabilitation as a means of preparing patients with newly diagnosed cancer for surgery by optimizing their health preoperatively. Enhancing a patient’s preoperative condition may help them withstand the stressors of surgery. Evidence supports the implementation of prehabilitation in the preoperative care pathway of other cancer cohorts, for example colorectal, breast and prostate cancers. Unfortunately, the evidence for the effects of prehabilitation in lung cancer has lagged behind and the use of prehabilitation (specifically the exercise component) for patients with lung cancer is now an emerging area. To date, exercise prior to lung cancer surgery has been shown to be safe and associated with improvements in functional capacity as well as postoperative morbidity (hospital length of stay) and rates of postoperative pulmonary complications), however the feasibility and acceptability of prehabilitation for patients with lung cancer is still unclear. The two studies within this thesis focus on the exercise component of prehabilitation in the context of surgical management of lung cancer in Australia.