Abstract
Ensuring patient access to genomic information in the face of increasing demand requires clinicians to develop innovative ways of working. This paper presents the first empirical prospective observational cohort study of UK multi-disciplinary genetic service delivery. It describes and explores collaborative working practices including the utilisation and role of clinical geneticists and non-medical genetic counsellors. Six hundred and fifty new patients referred to a regional genetics service were tracked through 850 clinical contacts until discharge. Referral decisions regarding allocation of lead health professional assigned to the case were monitored, including the use of initial clinical contact guidelines. Significant differences were found in the cases led by genetic counsellors and those led by clinical geneticists. Around a sixth, 16.8% (109/650) of referrals were dealt with by a letter back to the referrer or re-directed to another service provider and 14.8% (80/541) of the remaining patients chose not to schedule an appointment. Of the remaining 461 patients, genetic counsellors were allocated as lead health professional for 46.2% (213/461). A further 61 patients did not attend. Of those who did, 86.3% (345/400) were discharged after one or two appointments. Genetic counsellors contributed to 95% (784/825) of total patient contacts. They provided 93.7% (395/432) of initial contacts and 26.8% (106/395) of patients were discharged at that point. The information from this study informed a planned service re-design. More research is needed to assess the effectiveness and efficiency of different models of collaborative multi-disciplinary working within genetics services.
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Introduction
Over the last few years advances in technology have resulted in a rapid increase in the number of gene tests available. In parallel, there has been an increase in the number of referrals to genetic services due to heightened public and health professional awareness of the potential of genomic information.1, 2 Recent work indicates that workforce interventions within service re-organisation; including telephone counselling by genetic counsellors,3 the provision of more genetic specialists in rural areas4 and changes to the referral management systems5 can have a significant effect on the ability of patients to access genetic services.6 A systematic literature review entitled ‘Interventions to improve patient access, service utilisation and cost of providing genetic counselling services’ is currently planned.7
The present study describes the usual care pathways of a UK regional genetics service in 2011–2012. The service model required all patients to be seen initially by a genetic counsellor. After this initial appointment some were discharged, while others required subsequent appointments. These were either by a genetic counsellor alone, by a joint appointment by both a clinical geneticist and a genetic counsellor, or a clinical geneticist alone. One aim of the study was to monitor the use of a revised set of initial clinical contact guidelines (ICCG) with the aim of reducing the proportion of home visits (HVs) and increasing the proportion of telephone contacts. The service provided 26% of its initial contacts by a HV in 2010–2011.
Within UK regional genetic services clinical patient contact is provided by a multi-disciplinary team – ‘a team of professionals including representatives of different disciplines who coordinate the contributions of each profession, which are not considered to overlap, in order to improve patient care’.8 Disciplines represented include medical professionals (clinical geneticists), genetic counsellor professionals (genetic counsellors) and nursing professionals (registered nurses).9
A systematic review of research literature investigating the role of the non-medical genetic counsellor indicated that genetic counsellors ‘undertake a significant workload associated with direct patient care and this appears to be acceptable to patients’.10 The proportion of patients seen by genetic counsellors without a medical practitioner being present ranged between 39 and 50% and included patients with up to 79 different conditions. However, no empirical research studies of the genetic counsellor role were found from any of the European countries. Therefore, one aim of this research was to investigate the proportion of patients allocated to each discipline and provide evidence of multi-disciplinary working practices. Optimisation of workforce skill mix could increase the capacity of genetic services, enabling improved access for patients.
Currently, the utilisation of non-medical genetic counsellors varies across Europe and many countries only have a small number of practitioners.11 To safeguard the public and standardise practice, the European Board of Medical Genetics has defined a code of practice and registration system for genetic counsellors across Europe.12 English regional genetic services receive centralised funding.13 The services are provided free to patients at the point of access. The NHS England Medical Genetics Clinical Reference Group has responsibility for defining English service specifications and outcomes for the 23 regional genetics services.14 UK genetic counsellor professional registration is regulated by the UK and Eire Genetic Counsellor Registration Board. It is based on the principle that in addition to prior academic and vocational qualifications, registered genetic counsellors are required to have a 2-year training period and a Masters level portfolio assessment to become appropriately competent.15 In 2011, there were 272 genetic counsellor positions in the United Kingdom, but not all practitioners were registered with the GCRB.16 The current number of practitioners is unknown but 186 are UK Genetic Counsellor Board Registered. The majority work as part of a multi-disciplinary team attached to regional genetics services.17
The situation across Europe is complicated by differing economic policy, health-care professional roles, cultural preferences and political systems. Patient surveys show that there is great variability in access to genetic health care for diagnosis and on-going treatment.18, 19 To meet this demand, clinicians are moving away from established models of service delivery and are developing innovative ways of working such as the integration of genetic and genomic testing within mainstream clinical specialty areas.20 This refinement of skill mix and workforce optimisation has been seen within other areas of health care typified by rising consumer demand and limited resources.21, 22, 23 Historically, the UK non-medical genetic service workforce provided psychosocial support and counselling that originated in many services from a community family nursing perspective. This aimed to provide on-going holistic care to families affected by genetic conditions. This focus on continuity of care in a community setting has meant that some services still retain the option of offering a HV in certain circumstances if indicated by local protocols. This study was designed to describe practice within a regional genetics service and aimed to:
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Determine the proportion of patients allocated to clinical geneticist or genetic counsellor led care.
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Assess the usefulness of ICCG to aid allocation of telephone, clinic or HV for the initial contact.
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Describe the range of clinical contacts within a regional genetics service.
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Explore whether a genetic patient reported outcome measures questionnaire24 and a patient satisfaction questionnaire25 can be incorporated into service provision.
Materials and methods
This observational prospective cohort study was undertaken in a UK regional genetics service serving a population of 2.7 million, with 3.9 full-time equivalent consultant clinical geneticists, 9.3 full-time equivalent genetic counsellors and 1 full-time equivalent genetic research nurse. This regional genetics service works closely with a local network of nurse-led breast cancer family history clinics, which provide genetic counselling for patients at low or moderate familial breast cancer risk. The service hosts a genetics practice development unit promoting collaborative working between medical staff, genetic counsellors, administrators and management.26 The study describes the usual care pathways (apart from the administration of the evaluation questionnaires) present in this service at the time.
Autonomous practice is defined in this study as ‘a genetic counsellor working as part of a multi-disciplinary team, seeing patients independently and taking personal accountability for their actions’. The study was approved as a service evaluation by the hospital Research and Development Office.
Participants
The study included new patients referred to the service between 12 December 2011 and 12 March 2012. This period was chosen pragmatically due to funding constraints. A consecutive series of 650 new patient referrals (ie, 650 patients) were followed up until discharge (end of care episode) or until the 12th March 2013. If the referral was for a child, then this counted as one patient for this study. One or both parents were usually seen by the clinical team at the same time as the child.
Referral management and triage process
A study tracking sheet was attached to each patient file throughout their episode of care and staff entered the date and outcome for each contact. Data from this sheet was entered by the study administrator into a study database and this was used to prompt the administration of the patient reported outcome measure24 and patient satisfaction questionnaires.25 Data validation was undertaken by cross checking the study database information with patient notes and with the hospital patient information system. Outcomes included: patient group (paediatric, prenatal, adult non-cancer and adult cancer), allocation of health professional case lead, triage allocation, type of initial clinical contact offered where formal appointments were made between the hospital administration and the patient (telephone, face-to-face (F2F) in clinic or HV) and number of contacts per episode of care.
The referral letter was reviewed by a two person on-call team consisting of a clinical geneticist and a genetic counsellor who independently completed a referral management form (Supplementary material 1). The decision making process included whether to accept or decline the referral. Decline options included: decline with reasons; write back for more information or send the referral letter to another health-care service provider. Accepted referrals were allocated by the above on-call team to either genetic counsellor or consultant geneticist led care. Any discrepancies in allocations were discussed enabling both professional viewpoints to be expressed.
The genetic counsellor then allocated an initial clinical contact to be a telephone clinic (TC), F2F appointment in a clinic setting or HV according to a set of existing ICCG. These guidelines were developed before the study by the genetic counsellor clinical team and considered the psychological, medical and social factors supplied in the referral letter. The referral was allocated to one of 20 triage allocation categories which then determined the type of initial clinical contact offered to the patient (Supplementary material 2). The patient was sent a letter and a brochure explaining genetic counselling to inform their decision whether or not to opt into the service. This is standard practice in the service (Supplementary material 3 and 4).
Patient questionnaires
The study aimed to determine whether two self-reported questionnaires could be integrated into routine care and be used to evaluate the service. The Genetic Counselling Outcomes Scale-24 (GCOS-24) was developed for use as a patient reported outcome measure (PROM) within clinical genetics services and has been shown to be valid, reliable and sensitive to change. The GCOS-24 score measures change in emotional, cognitive, decisional and behavioural control, as well as emotional regulation and hope.24 The Zellerino seven item questionnaire was used to assess patient satisfaction after using clinical genetic services; this has been shown to have face validity and good internal consistency.25 The GCOS-24 was mailed to patients before and after clinical contact. The satisfaction questionnaire was mailed after each contact. No questionnaire reminders were sent.
Results
Referral management and triage
Figure 1 shows the patient pathways followed by 650 new patients. One hundred and nine referrals (109/650, 16.8%) did not meet the referral guidelines for the service and a letter was sent back to the referrer. In some of these cases alternative service providers were suggested such as nurse-led breast cancer family history clinics. All of the remaining 541 patients were sent a letter asking them to contact the hospital administration to schedule an initial clinical contact. Eighty (14.8%) chose not to contact the service to make an appointment. This left 461 patients who were accepted by the service and who decided to opt-in, to whom 825 clinical contacts were offered 7.4% (61/825) of which were not attended. Types of patients included 36.3% paediatric (236/650), 4.5% prenatal (29/650), 23.8% adult non-cancer (155/650) and 35.4% adult cancer (230/650).
Lead health professional
Approximately half the patients, 46.2% (213/461) were triaged to genetic counsellor professional lead, with 53.8% (248/461) being led by a clinical geneticist. The health professional lead was only changed in a few cases, with 44.3% (186/420) of patients receiving care led by genetic counsellors and 55.7% (234/420) led by clinical geneticists. The majority of patients (432/461, 93.7%), including those triaged to clinical geneticist lead, were offered an initial contact by a genetic counsellor. For 26.8% (106/395) of the patients who attended this was their only contact with the service, with the genetic counsellor able to complete the episode of care and discharge the patient. Genetic counsellors contributed to 95% (784/825) of the total contacts; clinical geneticists contributed to 26.9% (222/825). Five percent (41/825) of contacts were with a clinical geneticist working alone in clinic compared with 65.7% (542/825) for genetic counsellors working alone in clinic.
Table 1 shows the decision outcome for triage allocation to lead professional and type of initial clinical contact offered according to the patient categories included within the ICCG. The categories which were more often (P<0.005) triaged to clinical geneticist lead included; ‘where a member of the patient’s family had previously been seen and information known’ (GC: 5/25 20%, CG: 20/25 80%), ‘paediatric patients with and without developmental delay’ (GC: 5/35 14.3%, CG: 30/35 85.7%), ‘out-reach clinics’ (GC: 5/20 25%, CG:15/20 75%) and ‘where there was a new significant diagnosis in the family’ (GC: 2/22 9.1%, CG: 20/22 90.9%). Those more often (P<0.001) triaged to genetic counsellor lead included ‘inherited cardiac diseases’ GC: 29/34 85.3%, CG: 5/34 14.7%), ‘cancer predictive testing’ (GC: 30/40 75%, CG: 10/40 25%) and ‘any adult referral which did not fall into another category’ (GC: 87/126 69%, CG:39/126 31%).
Range and type of clinical contacts
Table 1 shows that the initial contact type offered matched well with those dictated by the ICCG (Figure 1). For 426 of the 461 (for whom triage allocation patient category and initial contact details were available), 39.9% were offered a TC with a genetic counsellor, 42% a hospital F2F clinic with a genetic counsellor, 13.2% a HV with a genetic counsellor and 4.9% a medical clinic with a clinical geneticist.
Table 2 shows the proportion of co-counselling, where either two genetic counsellors or a genetic counsellor and a clinical geneticist were present with both contributing to the counselling process for the duration of the patient consultation. The overall rate of co-counselling in this study was 29.3% (242/825), with the genetic counsellor and clinical geneticist co-counselling in 21.9% and two genetic counsellors co-counselling in 7.4% of consultations. The latter mainly represents genetic counsellor-led predictive testing for cancer, Huntington disease and cardiac conditions. Overall, 86% (345/400) of patients who attended their appointments completed their episode of care and were discharged after one or two appointments. Only 6.7% (55/825) and 1.9% (16/825) of total contacts received third and fourth appointments.
Patient questionnaires
Developing a robust process that allowed integration of evaluation questionnaires into routine service delivery proved problematic. This stemmed from problems with patient identification at baseline and the end of care. Only 388 out of a possible 850 satisfaction questionnaires were sent out. Ninety-seven were received (response rate 25%). This selected group of patients were satisfied by the care received by their health professional with greater than 80% stating that they ‘agree somewhat’ or ‘strongly agree’ to six out of seven questions covering; information provided, time spent, ability to answer questions, listening and engaging the patient as a partner in planning care (Figure 2).
Implementation of the questionnaires in a clinical setting was challenging. Issues identified included; a centralised clinic administration system shared with other departments and that no additional resources were available to compensate for administration time spent identifying study cohort patients during the follow-up period. Difficulties tracking follow-up patients with the hospital patient management system meant that a reliable estimate of questionnaires sent and response rate was not possible. Only 38 pre- and post-genetic counselling GCOS-24 questionnaires were available for analysis. Those analysed showed a statistically significant difference between baseline and follow-up score (mean baseline score=106.5, mean post-care episode score 116.1, P=0.007 df 37), indicating that this sub-set of patients reported significant benefits from their contact with the genetics service.27
Discussion
The proportion of patients allocated to clinical geneticist or genetic counsellor care
The genetic counsellors in this study led patient care for a range of genetic conditions. However, they did not take the lead for paediatric patients with developmental delay or patients with new significant diagnoses. The service did not have a ‘specific’ list of genetic diagnoses that were suitable for genetic counsellor led care; often this allocation was dependent on the specific information provided in the individual patient referral letter. The decision making process seemed to be driven by whether there was evidence of diagnostic uncertainty or a complex medical phenotype (allocation to clinical geneticist lead) or a known diagnosis or psychological or social issues in a family (allocation to genetic counsellor lead). This supports evidence from Skirton et al’s systematic review of current non-medical genetic counsellor practice.10 This found that the majority of genetic counsellors working in other countries did not autonomously counsel cases where the diagnosis was uncertain or there was a need for a clinical examination.10
The genetic counsellors in this study provided 73% (603/825) of the total offered contacts, as either genetic counsellor only contacts or genetic counsellor co-counselled contacts. Genetic counsellors led care for 44.3% (186/420) of the patients. There is similar evidence from the United States where one study reports the motivation to initiate an independent genetic counsellor clinic was to relieve the pressure on the clinical geneticist’s clinic.28 In that study, 80% of a pre-selected group of 321 patients seen did not need an additional appointment with a geneticist. In Australia, a descriptive retrospective analysis of 4817 cases saw that 42% of sessions in one region were conducted by the genetic counsellor alone.29 In South Africa, genetic counsellors independently saw 39% of the 3365 referred patients covering 57 different diagnoses.30 The current study did not explore the health professional allocation decision making process in-depth and this is a potential area for further research.
The range of clinical contacts
In only 5% (41/825) of contacts did medical clinical geneticists provide counselling alone in clinic. However, they usually led the 21.9% (181/825) co-counselling contacts with a genetic counsellor colleague. In this service, the 53.8% (248/461) of the patients who required a clinical geneticist led consultation would have usually been seen independently by a genetic counsellor before scheduling a second clinical contact as a clinical geneticist/genetic counsellor co-counselling contact. The rates of clinical geneticist and genetic counsellor co-counselling contacts in this regional genetics service were higher than the English average at 21.9% (181/825) vs 9.9% recorded for the co-counselled rate of patients by the NHS Medical Genetics English Winter (Q3) 2013 Dashboard National Average Figures (personal communication Chair Medical Genetics Clinical Reference Group). There is currently variation in the rate of patient co-counselling between different genetic services in England, the range for this indicator being between 0 and 74.9%, with the majority of centres reporting within the 1–9% range. Possible reasons for such a high rate of clinical geneticist/genetic counsellor co-counselling contacts in this service included the teams focus on providing a continuum of care for the patient aiming to maintain contact with the same genetic counsellor before, during and post clinic contacts.
Co-counselling has been one of many historical service delivery models in the United Kingdom. Co-counselling provides a multi-disciplinary approach to the holistic care of the patient and the opportunity for counsellors to focus and address different clinical and psychosocial aspects within the same consultation. Co-counselling also has benefits for the workforce as a learning opportunity for junior staff or staff expanding their scope of practice to include new areas of practice and updating. However, there are disadvantages of co-counselling, such as the increased expense of two health professionals being present and complexities in scheduling appointments.
Genetic counsellor only contacts were higher in this study at 73.1% than the English average of 44.6% rate of patient appointments performed by a genetic counsellor only. At the time of this study, the service had one of the lowest proportions of medical clinical geneticists per population covered compared with the other 19 English RGS. This required the development of effective time management and support from medical clinical geneticists for joint case review enabling genetic counsellors in this service to independently counsel for a wide range of conditions (eg, high-risk cancers, cardiac conditions and Huntington disease).
In this study, 29.1% (189/650) of referrals were not offered a clinical contact, representing indirect patient care which is not directly obvious from clinic attendance figures and could be overlooked when assessing workload. Of these, 94 were not accepted into the service based on the English national service specification of appropriate referrals.13 Many of these were patients deemed to be at moderate risk of cancer which were re-directed to a network of nurse-led family history screening clinics based within oncology services. Patients re-directed to these services saw a ‘specialism-specific genetic nurse’ (SSGN), a registered nurse working at a specialist level of practice in a clinical specialism but with additional genetics training. A UK evaluation has shown these roles to be acceptable to patients and effective in terms of improving patient access to genetic information and tests.31, 32, 33
This study is novel as it provides the first empirical evidence of the contribution of genetic counsellors within a UK regional genetic service multi-disciplinary team. Study limitations include that it describes the experience of a cohort of incoming referrals for a period of only 3 months in one centre. The practice of this one service may not be representative of other services across the United Kingdom.
Use of ICCG
The anticipated reduction in the proportion of HVs from 26% in 2010/2011 to the 13% seen in this study (2011/2012) is thought to be a consequence of implementing revised ICCG. The revised guidelines allowed for HVs to be standardised across the team and provided appropriately. The study demonstrated that it was possible using the guidelines to allocate patients into differing initial contact types based on the requirements of the specific case. However, this individualised process was difficult to merge with inflexible clinic booking systems and resulted in many separate clinic queues, increasing waiting times due to patients waiting for an initial TC ‘slot’ when other ‘appointment slots’ were free in other hospital clinics. Of concern were the 21.9% (181/825) of contacts which were co-counselled by both a genetic counsellor and a clinical geneticist, due to the time commitment required by both health professionals.
Moving forwards
A decision was made to plan a service re-design to move towards a ‘one clinic fits all’ system. In this model, genetic counsellors and clinical geneticists have separate clinics, booking is on a first come, first served basis, irrespective of the clinical condition (although adhering to triage health professional appropriate lead) or whether it is an initial or subsequent contact. The clinician still reserves the ability to perform a telephone counselling session within the allocated clinic slot if that would best meet the needs of the patient. For some patients, a telephone contact to discuss concerns and facilitate a confirmation of diagnoses is thought to be most efficient. If the referral letter raises any specific psychosocial concerns, then the genetic counsellor can still ask for a co-counselling consultation to occur (including for predictive testing) or a HV.
There is on-going debate as to how to most efficiently gather family history information; an initial genetic counsellor consultation usually consists of many other elements than purely information gathering. In some services, the information gathering is done by specially trained administrative staff – releasing genetic counsellor time to focus on psychosocial and educative issues. One requirement of the ‘one clinic fits all’ model is that the most appropriate health professional with the required skills sees the patient. It is not always possible or suitable that each health professional is able to provide counselling for all genetic conditions and often facilities are not available to provide an appropriate clinical environment for pre-natal, paediatric and adult patients. This design relies on a workforce that has access to and time for continuing professional development as well as dedicated clinic facilities.
A framework for implementation of genetic services has recently been proposed by Rigter et al34 to provide structure for the transition process towards new ways of working. They defined three influencing factors: different ways of doing, different ways of thinking and different ways of organising. The authors proposed a process of deepening, broadening and scaling up of any new service. This framework could be used to help implement future service re-design.
There remains the need to evaluate the effectiveness of new service designs and how the limited workforce of clinical geneticists and genetic counsellors can be utilised to increase access to genetic services and provide safe patient care. Currently, many European countries have limited or no non-medical genetic counsellors, although with increased demand for access to specialist knowledge the cost effectiveness of genetic counsellors over clinical geneticists may become attractive. This study has demonstrated that appropriately trained and resourced genetic counsellors engaging in multi-disciplinary working practice can provide a significant proportion of patient contacts. Studies undertaken in other areas of health care could inform the optimum use of skill mix and multi-disciplinary practice. The development of the specialism specific genetic nurse (SSGN) role within mainstream clinical specialty areas such as oncology, cardiology or endocrinology adds another route through which patients could access genetic services. Cohen et al35 call for a shared terminology when describing genetic service delivery models. However, comparison of service delivery models between and within countries remains difficult due to the influence of social, political and historical factors.36, 37 In the United States a recent survey shows wide variation in genetic counsellor service delivery models, unfortunately in part this variation is explained by limits imposed by billing and bureaucracy, not always by good practice.38
The methodological techniques of implementation science,39 including the conduct of implementation trials and the study of complex interventions could be beneficial in building the evidence base on which to develop new ways of working to optimise skill mix and workforce utilisation in genetic service delivery models.40 Further research needs to be undertaken to establish how best to integrate patient reported outcome and satisfaction measures within routine genetic health service delivery.
Change history
16 July 2015
This paper has been amended since online publication and a corrigendum also appears in this issue
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Acknowledgements
We would like to thank the patients and staff of Liverpool Women’s Hospital NHS Foundation Trust and acknowledge the funding from a Charitable Trust Grant, Liverpool Women’s Foundation (NHS) Hospital Trust. We would also like to thank Dr Lois Thomas, Reader in Health Services Research, UCLan (University of Central Lancashire) for her helpful suggestions on earlier drafts of this paper.
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Benjamin, C., Houghton, C., Foo, C. et al. A prospective cohort study assessing clinical referral management & workforce allocation within a UK regional medical genetics service. Eur J Hum Genet 23, 996–1003 (2015). https://doi.org/10.1038/ejhg.2015.33
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DOI: https://doi.org/10.1038/ejhg.2015.33
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