11 Hypno-psychotherapy for adjustment and resilience in cancer care
INTRODUCTION
The diagnosis and treatment of cancer carries a heavy emotional burden, with approximately half of all cancer patients experiencing anxiety and depression severe enough to reach clinical significance. The National Institute for Clinical Excellence (NICE) (2004) recommends that routine psychological support should be available to all cancer patients and there is a substantial body of evidence demonstrating the efficacy of hypnotherapy and psychotherapy in cancer care. Psychological distress and morbidity are frequently reported following a cancer diagnosis and during active treatment (c.f. Zabora et al 2001). The latter can be further compounded by chemotherapy side-effects which can have a direct influence on appetite/weight loss, muscular weakness, anxiety, depression and helplessness that, at worst, can affect treatment compliance (Walker et al 1999, Molassiotis et al 2002).
As nearly half of all cancer patients experience levels of anxiety and depression severe enough to affect their quality of life, NICE (2004) recommends that all patients should have access to psychological support. Historically this has been problematic, as health professionals were not trained to elicit patients’ psychosocial concerns and focussed exclusively on the physical aspects of the disease. Patients’ concerns therefore remained hidden and unresolved. The widespread training of senior health professionals in effective communication skills, however, has begun to redress the balance (Maguire & Pitceathley 2002, Fallowfield et al 2002, 2003, Wilkinson et al 2006). Even so, routine psychological support is not always available and some distressed cancer patients receive no psychological help at all (Greer et al 1997, Moorey & Greer 2002). These factors led REAL Wellbeing (a charitable organization in Northern England) to develop a psychotherapeutic intervention to help patients cope with the diagnosis and treatment of cancer. The intervention comprises effective elements of documented behavioural approaches in a clinical package to meet individual needs. Its official title is Psychological Support Services for Cancer Care but it is generally known as the ‘hypno-chemo programme’. The latter is misleading because it implies that patients need to be receiving chemotherapy in order to access it. This is not the case and the programme is suitable for patients at all stages of the disease trajectory. Nevertheless, hypno-chemo has ‘stuck’ and become more meaningful to both patients and health professionals than the official term. The programme was developed during the period 1996–2000 from experience within the team and from studies demonstrating the efficacy of the approaches used, up to and during the initial development period. As such, it has been necessary to include a number of older references or seminal papers.
This chapter will describe the hypno-chemo programme, outlining the therapeutic content of hypnotherapy, relaxation training and cognitive-behavioural therapy (CBT). Selected research demonstrating the efficacy of these therapies is outlined alongside studies indicating the importance of involving patients in decision-making and provision of a psychologically supportive setting in cancer care. These include hypnotherapy and relaxation training to ameliorate the side-effects of chemotherapy. Relaxation training is used as an alternative to hypnotherapy when misconceptions about the latter cannot be overcome or there is a risk of adverse reaction to hypnosis. Evidence relating to the provision of CBT to reduce cancer-related psychological distress is addressed, followed by behavioural approaches for pain control. CBT is a talking therapy which identifies dysfunctional thinking and behaviours. The patient works towards cognitive restructuring and behavioural change. The priority for the selection of papers was that they needed to be relatively recent outcome studies (at the time), comparing one or more experimental conditions with at least one control group. These studies, however, are reported from a quantitative perspective, which restricts understanding of the individual patient’s interpretation of events, and as a consequence, limits the opportunity to refine interventions more specifically to meet their needs. A post-intervention qualitative study was therefore conducted to separate out those elements of the hypno-chemo programme that most benefited participants, allowing their experiences to be fully assessed and viewed within the context of the situation (Taylor & Ingleton 2003). Patients’ experiences from this study are presented, highlighting service satisfaction and areas requiring attention. The chapter concludes with a dissemination study and clinical audit to assess the feasibility of multi-centre service provision and recommendations for education, training and development.
HYPNOTHERAPY
CBT is used to identify and resolve cancer-related psychological problems and follows the procedures described by Greer et al (1992) and Greer (1997). This approach focuses on the personal meaning of cancer for the patient and the patient’s coping strategies. Patients are encouraged to disclose and express the emotional impact of cancer on themselves and significant others, taught to identify the automatic dysfunctional thoughts underlying anxiety and depression, challenge these thoughts and replace them with more rational responses. Task-focussed behavioural assignments are encouraged to generate a sense of achievement and raise self-esteem. An attitude of reasonable optimism, determination not to give in, desire to understand and participate in treatment and continue to live a normal life is encouraged. This attitude characterizes ‘fighting spirit’ recommended by Greer and colleagues (1992). At REAL Wellbeing, this term is replaced by realistic positive thinking as recent evidence suggests patients can become burdened with guilt when they fail to maintain their fighting spirit (Watson et al 1999).
RESEARCH INFLUENCING THE DEVELOPMENT OF THE HYPNO-CHEMO PROGRAMME
Hypnotherapy and related procedures such as relaxation training and GI have been used to ameliorate the side-effects of chemotherapy, help patients adjust to the disease, counteract pain and anxiety and alter the mechanisms of immunity to hopefully improve prognosis. These interventions have been evaluated in a series of studies. Extensive reviews of this literature (e.g. Fawzy et al 1995) have concluded consistently that hypnotherapy is effective in the above areas, with the possible exception of enhancing survival. The randomized controlled trials (RCTs) relating to the latter have produced conflicting results with some limited by methodological flaws (Walker 1992, Fox 1995, 1998). Blake-Mortimer et al (1999) and Coyne et al (2007) provide a more recent debate on psychotherapy and cancer survival rates. However, quality, rather than quantity of life is the concern of the hypno-chemo programme and, although the methodology of some studies utilizing hypnotherapy has been criticized (c.f. Rajasekaran et al 2005), there is consistent empirical evidence to support the use and evaluation of this approach.
THE TREATMENT OF CHEMOTHERAPY SIDE-EFFECTS
HYPNOTHERAPY
The work of Walker and colleagues (1988) has been particularly influential in the development of the hypno-chemo programme and the cultivation of a professional but informal atmosphere at ELIHC. These researchers developed an adjuvant approach to the treatment of chemotherapy side-effects using audio-recorded hypnotherapy with patients who, despite antiemetic medication, suffered severe side-effects. Anticipatory nausea was eliminated or improved in 88% of participants, all demonstrated improvement in treatment anxiety and all completed chemotherapy. Late-onset nausea/emesis was improved but not eliminated.
This approach was evaluated in a prospective RCT with 69 unselected patients with first diagnosis of Hodgkin’s disease, non-Hodgkin’s lymphoma or testicular teratoma, all undergoing first-line cytotoxic chemotherapy. Patients were randomly assigned to antiemetic drugs and relaxation, plus hypnotherapy or a control condition, which included discussion of side-effects and review of antiemetic regimen. A low incidence of side-effects overall, however, meant the study lacked statistical power. Nonetheless, results indicated that patients in the hypnotherapy condition had less treatment anxiety and patients in the relaxation condition had less late-onset nausea. The authors concluded that detailed explanation and concern about reducing side-effects may have had substantial prophylactic benefit (Walker et al 1992) supporting former research into the benefits of appropriate preparation for chemotherapy (Burish et al 1991).
This approach however, raises concerns about the use of audio-recorded hypnotic procedures in unselected patients. Adverse reactions can occur in a small minority (Finlay & Jones 1996) when traumatic, unconscious experiences are expressed. This cathartic release requires sensitive handling and the risk is greatly reduced by initial psychological assessment. Coping styles, known to influence optimal psychological intervention (Greer et al 1979, Pettingale 1984, Watson et al 1984) were not taken into account. Live relaxation training is generally superior to cassette recordings (Morrow 1984) and GI is more effective when provided by experienced therapists (Carey & Burish 1987). Nevertheless, Walker et al’s results emphasize the necessity to provide detailed information and actively include patients in treatment regimens.
PROGRESSIVE MUSCLE RELAXATION
Building on the above findings, a rigorously conducted study has demonstrated that clinically significant distress need not be inevitable following diagnosis and during primary chemotherapy. Walker et al (1999) postulated that relaxation and GI would enhance response to adjuvant or neoadjuvant chemotherapy in addition to improved quality-of-life (QOL) and coping skills.
A total of 96 patients with newly diagnosed large or locally advanced breast cancer were randomized to receive standard care or standard care with PMR and GI (host defences destroying cancer cells). The groups did not differ significantly on medical or sociodemographic variables. A battery of psychometric tests was used to assess mood, QOL, personality and coping strategies. Mood and QOL was assessed before each of the 6 cycles of chemotherapy and 3 weeks after the final infusion. Personality and coping skills were examined prior to cycles 1 and 6. On completion of chemotherapy, clinical response rates were classified using the Standardized International Union Against Cancer (UICC 1987) criteria and histological response assessed from excised breast tissue.
COGNITIVE-BEHAVIOUR THERAPY FOR CANCER-RELATED PSYCHOLOGICAL DISTRESS
The work of Greer et al (1992) has strongly influenced the hypno-chemo programme. These workers conducted a controlled trial to determine the efficacy of Adjuvant Psychological Therapy (APT), a CBT approach specifically designed for cancer care. Patients with primary diagnosis or first recurrence of mixed cancers were screened for psychological morbidity using the Hospital Anxiety and Depression (HAD) scale (Zigmond & Snaith 1983) and the Mental Adjustment to Cancer (MAC) scales (Greer & Watson 1987, Watson et al 1988). The latter measures four broad dimensions of adjustment: fighting spirit, helplessness, anxious preoccupation and fatalism. A total of 174 patients with scores above previously defined cut-off points were randomly assigned to experimental or control conditions. Experimental patients individually participated in the 8-week, problem-focussed APT programme, while controls received no therapy. Outcome measures included the HAD and MAC scales, Rotterdam Symptom Check List (RSC, De Haes et al 1990) and the Psychosocial Adjustment to Illness Scale (Derogatis 1983). The trial was completed by 90% of patients.
The intervention, which aimed to detect and treat the emotional problems associated with the disease included cognitive restructuring, behavioural assignments, PMR and role-play/imagination to deal with imminent stressful procedures. Immediately following the intervention, the therapy group had significantly lower scores on helplessness, anxious preoccupation and fatalism, anxiety, psychological symptoms and orientation to healthcare, and significantly higher scores on fighting spirit than controls. At the 4-month follow-up, experimental patients continued to have significantly lower scores on anxiety and psychological symptoms/distress. At the 12-month follow-up (Moorey et al 1994) patients who had received therapy still had less anxiety and depression than controls. The authors concluded that APT significantly reduces cancer-related psychological morbidity, thus enhancing the psychological dimension of QOL. However, one-third of eligible patients refused to take part and the author did not report any adverse therapy effects. No post-intervention qualitative assessment was conducted to indicate in detail which elements of the intervention the participants valued the most.
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