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Biomedical subjects

Sarah Derrett

Publications and source records attributed to Sarah Derrett.

8 recordsLinked to original sources
PubMed2006

Access, equity and the role of rights in health care.

Modern health care rhetoric promotes choice and individual patient rights as dominant values. Yet we also accept that in any regime constrained by finite resources, difficult choices between patients are inevitable. How can we balance rights to liberty, on the one hand, with equity in the allocation of scarce resources on the other? For example, the duty of health authorities to allocate resources is a duty owed to the community as a whole, rather than to specific individuals. Macro-duties of this nature are founded on the notion of equity and fairness amongst individuals rather than personal liberty. They presume that if hard choices have to be made, they will be resolved according to fair and consistent principles which treat equal cases equally, and unequal cases unequally. In this paper, we argue for greater clarity and candour in the health care rights debate. With this in mind, we discuss (1) private and public rights, (2) negative and positive rights, (3) procedural and substantive rights, (4) sustainable health care rights and (5) the New Zealand booking system for prioritising access to elective services. This system aims to consider: individual need and ability to benefit alongside the resources made available to elective health services in an attempt to give the principles of equity practical effect. We describe a continuum on which the merits of those, sometimes competing, values--liberty and equity--can be evaluated and assessed.

Delivery of Health Care↗
PubMed2005

Cost and health status analysis after autologous chondrocyte implantation and mosaicplasty: a retrospective comparison.

OBJECTIVES: Chondral defects of the knee cartilage are prevalent. Autologous chondrocyte implantation (ACI) and mosaicplasty are increasingly used to treat symptomatic knee defects. This study assessed the costs and health status outcomes after ACI and mosaicplasty. METHODS: Patients were eligible to participate in this cross-sectional study if they received ACI or mosaicplasty at the Royal National Orthopaedic Hospital between 1997 and 2001 or were on a waiting list for ACI. Secondary-care resource use was collected to 2 years postoperatively using a resource collection proforma. Participants responded to postal questions about sociodemographic characteristics and knee-related (Modified Cincinnati Knee Rating System) and general health status (EQ-5D). RESULTS: Fifty-three ACI, twenty mosaicplasty, and twenty-two patients waiting for ACI participated. The average cost per patient was higher for ACI (10,600 pounds sterling: 95 percent confidence interval [CI], 10,036 pounds sterling-11,214 pounds sterling) than mosaicplasty (7,948 pounds sterling: 95 percent CI, 6,957 pounds sterling-9,243 pounds sterling). Postoperatively, ACI and mosaicplasty patients (combined) experienced better health status than those waiting for ACI. ACI patients tended to have better health status outcomes than mosaicplasty patients (not statistically significant). Estimated average EQ-5D social tariff improvements for quality-adjusted life year (QALY) calculations were 0.23 (ACI) and 0.06 (mosaicplasty). Average costs per QALY were 23,043 pounds sterling (ACI) and 66,233 pounds sterling (mosaicplasty). The incremental cost effectiveness ratio (ICER) for providing ACI over mosaicplasty was 16,349 pounds sterling. CONCLUSIONS: Average costs were higher for ACI than mosaicplasty. However, both the estimated cost per QALY and ICER for providing ACI over mosaicplasty fell beneath an implicit English funding threshold of 30,000 pounds sterling per QALY. Prospective studies should include measures of utility to confirm the estimated cost utility ratios of ACI and mosaicplasty.

Adult↗
PubMed2003

Prioritizing patients for elective surgery: a prospective study of clinical priority assessment criteria in New Zealand.

OBJECTIVES: Many hospitals in New Zealand have been using clinical priority assessment criteria (CPAC) to select and prioritize patients for access to publicly funded elective surgery. CPAC usually consist of clinical, patient-experienced, and social measures. The objective of this study was to determine how robust patient rankings were and the extent to which the patients selected were those who benefited the most from surgery. METHODS: Patients prioritized for cataract (n = 101), prostate (n = 103), and hip or knee joint replacement (n = 137) surgery according to CPAC were assessed using the EQ-5D, SF-12, and condition-related patient-experienced health status measures before and after treatment. Correlations between the rankings of patients on the CPACs and the alternative instruments were explored. RESULTS: For each surgery group, the CPAC ranking of patients was not strongly correlated with rankings obtained using their before-treatment EQ-5D (valued) profiles or the SF-12, although there was some correlation with rankings according to the condition-related measures. Improvements in the health status of patients who were operated on, as measured by the change in their EQ-5D values, were poorly correlated with equivalent changes on the SF-12 and condition-related measures. Patients' baseline health status according to the CPAC, the EQ-5D, and the SF-12 patient-experienced measures was only slightly related to the magnitude of benefit following surgery. The strongest predictors of improvement in health status were the baseline condition-related measures. CONCLUSIONS: The current method of prioritizing patients in New Zealand requires reconsideration, although a gold standard method for prioritization is not immediately apparent from these results.

Arthroplasty, Replacement↗
PubMed2002

Evaluation of explicit prioritisation for elective surgery: a prospective study.

OBJECTIVES: To evaluate whether the Clinical Priority Assessment Criteria (CPAC), used to prioritise access to elective surgery, was associated with: (a) patients' access to surgery in practice; (b) patients' level of need; and (c) patients' ability to benefit from surgery. Patients' perceptions of the 'booking system' for surgery were also explored. METHODS: Prospective cohort study in New Zealand. Consecutive patients assessed for cataract (n = 101), prostate (n = 103) or hip or knee joint replacement (n = 137) surgery were interviewed close to the time of their CPAC prioritisation, and then six and 12 months later. RESULTS: CPAC scores were associated with access to surgery. There were weak-to-moderate correlations between CPAC scores and disease-specific health status before surgery (need) but almost no correlations with improvement in health status following surgery (ability to benefit). Change in health status was highly correlated with pre-surgery health status. Many patients supported prioritisation according to need, although the impersonal nature of the scoring system and the changing thresholds for surgery distressed some. CONCLUSIONS: While prioritisation systems for surgery have potential value the CPAC criteria investigated need modification. Ability to benefit should receive increased weight. The impact of an explicit prioritisation system upon the doctor-patient relationship needs to be explored as there is some evidence that it may impede the discussion of the risks and benefits of surgery, and of the treatment preferences of patients.

Elective Surgical Procedures↗
PubMedDate not supplied

Constipation services for children: the role of health visitor teams.

Constipation among children is a prevalent condition, yet poorly understood. There is little empirical evidence for 'best possible' configurations of services. This article presents a survey of Walsall health visitor team members (HVTMs) which aimed to identify the types of advice and care provided to young children with constipation, pathways to care and ideas for service improvement. Most HVTM consultations were parent-initiated. Few GPs referred children to HVTMs. HVTMs most commonly provided advice about fluids and diet -- only one prescribed medication. HVTMs identified the need for early intervention, consistent information for parents and a clear pathway for all health professionals to follow. Currently, a team from the local primary and hospital NHS trusts is developing an integrated care pathway for paediatric constipation. Success of such pathways depends on their adoption by GPs and hospital-based health professionals, and on evidence of efficacy arising from their evaluation.

Aftercare↗