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Original Research

COPD depicted – patients drawing their lungs

, , , &
Pages 3231-3236 | Published online: 03 Nov 2017

Abstract

Background

Given the increasing importance of patient-reported outcomes (PRO) in quality medical care, we examined the value and feasibility of an innovative method for assessing patients’ illness perceptions, represented in drawings made by patients with COPD of their lungs.

Aim

The aim of our study was: to study patients’ representation of COPD as reflected in their drawings of their lungs; and to examine scores on a validated measure that assesses illness perceptions (ie, Brief Illness Perception Questionnaire [B-IPQ]).

Patients and methods

One hundred outpatients with COPD, mean age 70 years, selected from a pharmacy database, participated and 98 filled out the B-IPQ. Eighty-seven patients completed the drawing task.

Results

The illness perceptions as reflected in the responses to the B-IPQ scales represented a quite optimistic view of COPD and its consequences. The drawings of the lungs reflected a considerable discordance between patients’ representations and medically accepted representations of lungs of a person with COPD.

Conclusion

Assessing illness perceptions in clinical care and research about COPD offers opportunities to identify goals for patient education and self-management. Inviting patients to draw their illness is an innovative and promising approach to assessing PRO.

Introduction

Assessing the nature and severity of COPD is fundamental to delivering quality medical care for patients with COPD.Citation1 However, the objective severity of the disease is only partly associated with its impact on patients’ daily life.Citation2 Rather, patients’ perceptions of their disease (ie, their illness perceptions) drive how they cope with the illness, their quality of life (QoL), and their behavioral responses to the illness and its consequences (ie, self-management).Citation3 It follows that addressing maladaptive, unhelpful illness perceptions in clinical care for patients with COPD translates into more adequate coping, self-management skills, and QoL.Citation4,Citation5 In patients with other chronic illnesses, evidence supports the value of changing unhelpful illness perceptions to more adaptive and constructive perceptions and achieving positive outcomes (eg, for patients with myocardial infarction; irritable bowel syndrome; hemodialysis; cardiovascular diseases).Citation7Citation10 We reviewed the topic of self-management and the importance of illness perceptions in persons with COPD in a previous paper in this journal.Citation6

Given the important role of illness perceptions in persons with a chronic condition, assessing illness perceptions in a valid and reliable manner is essential. Various methods of assessing illness perceptions are available, with questionnaires as the major approach (see www.uib.no/ipq for extensive information on questionnaires assessing illness perceptions).Citation11,Citation12 An innovative method of assessing illness perceptions is asking patients to make a drawing of their illness. The earliest studies on patients drawing their illness date back some 50 years (eg, where patients with psychiatric diagnoses drew their representations of depression and other psychiatric conditions).Citation13 More recently, drawings have been utilized in virtually all categories of chronic somatic diseases (eg, ranging from asthma to vaginal thrush), in children (with cystic fibrosis [CF], for instance) and adults (eg, with lung cancer).Citation14,Citation5 In the area of chronic respiratory diseases, only a handful of drawing studies are available. Three studies depict asthma: two in children, one in adults.Citation17Citation19 All three studies clearly show that asthmatic episodes have a great emotional impact. A moving drawing by a child with CF depicts dying due to CF.Citation14 Hoogerwerf et al asked patients with lung cancer “to make a drawing of what they imagined their diseased lungs look like”, therefore, comparing “subjective” with “objective” representations of a disease.Citation15 The patients’ drawings more or less reflected the image of their chest X-rays. Luthy et al asked patients with COPD “to draw their body, and to represent limitations and difficulties related to breathing”.Citation16 The drawings revealed a major gap between patients’ views and “objective reality”, depicted in textbooks on lung diseases.

The aim of this study was to examine patients’ perceptions of their COPD as reflected in their drawings, and to examine scores on a validated questionnaire assessing illness perceptions (ie, Brief Illness Perception Questionnaire [B-IPQ]).Citation20

Methods

Patients

Patients were recruited in pharmacies in the Netherlands.Citation3 Patients were invited to the pharmacy and handed an information leaflet and an informed consent form. After signing the written informed consent form, patients were handed a booklet with questionnaires and their medication data were extracted from the pharmacist’s database.

The study was approved by the Medical Ethics Committee of the Leiden University Medical Centre (protocol number P11.170).

One hundred patients, 58 males, 42 females, all >40 years of age (mean age 70 [±10] years), filled out the booklet. Seventy-five percent of the patients reported having received a diagnosis of COPD more than 3 years ago. On a scale from 0 (not severe) to 100 (very severe), the patients indicated a mean perceived severity of their COPD of 39 (±26). Patients reported using on average two types of medication, with 97% using tiotropium, 42% salmeterol, 20% fluticasone, and 19% formoterol (see Tiemensma et al for further details).Citation3 On a scale from 0 (poor) to 100 (good), patients rated their quality of life as 70 (±25). A third of the patients had a “low” level of education (primary school), another third “medium” (high school), and another third a “high” level of education (at least college degree).

Patients were included if they used COPD maintenance medication therapy for 1 year or longer, were aged 40 years or older, and had been diagnosed with COPD at least 1 year ago. Patients were cared for in a general practice/family medicine setting, where pulmonary function tests are not carried out. Global Initiative for Chronic Obstructive Lung Disease (GOLD) categories are not available although it is safe to assume that the patients were GOLD I, II or III.

Measures

Sociodemographic, clinical, and psychological data were collected via the booklet. Illness perceptions were assessed used the B-IPQ, which has eight single-item scales and an open-ended question about the perceived causes of the illness.Citation20 The B-IPQ was designed to rapidly assess cognitive and emotional representations of an illness. The first eight items are scored on a 0–10 scale. The B-IPQ has been used in diverse age groups, illness types, and languages. A recent meta-analysis has shown that the scale has good concurrent validity and predictive validity.Citation21 In addition, patients were asked to:

Draw how you imagine your lungs to be. We are not interested in your drawing talent, a simple sketch is fine. We are interested in your ideas about what your lungs look like.

The drawings were examined by the researchers for the emergence of themes.

Results

The items of the B-IPQ are shown in , with the mean score per item.

Table 1 B-IPQ scores

A table of illness perception scores from a number of other clinical populations in the recent systematic review by Broadbent et al allows comparison of the scores from this sample with those with acute conditions (eg, cold) and other chronic illnesses (eg, cancer, rheumatoid arthritis, diabetes).Citation21 The mean scores on the B-IPQ items in seem to reflect a somewhat optimistic view of the consequences of the illness and the options to control it.

Of the 87 patients who created a drawing, anatomical drawings were made by 61 patients. Text was added in 12 drawings (eg, “inflammation and junk” in the lungs); four reflected emotion (drawing 21 in , with the cigarettes in the lungs); ten patients wrote a question mark or “no idea”; 13 patients did not draw anything at all and left the box provided completely empty.

Figure 1 Examples of patients’ drawings.

Notes: (A) Anatomically correct; (B) absence of knowledge; (C) symbolic representation; (D) unstructured representation. Text in 26: “capacity 60% compared to someone of my age with healthy lungs”; in 37: “no idea”; in 56: “these have died”.
Figure 1 Examples of patients’ drawings.

Examples of the drawings are given in . In the drawings, various degrees of detail, emotion, and anatomical correctness are visible. The drawings made by patients 26 and 30 () indicate good anatomical correctness. The drawings made by patients 37 and 14 () indicate relatively little knowledge. The drawings made by patients 21 and 56 () show symbolic representations, with the drawing made by patient 21 the only drawing where cigarettes are depicted and an understanding of cigarettes as a causal factor. The drawings made by patients 34 and 38 () show unstructured images.

The number of drawings in our study was relatively small and the degree of detail in drawings produced was insufficient to examine associations between drawing characteristics and other variables (eg, age, sex, severity of COPD, B-IPQ scores). Larger samples are therefore indicated. The drawings produced by the patients in our study are quite unstructured. As emphasized in the instructions in the booklet, the researchers were not interested in drawing skills. Nevertheless, only a small percentage of patients in the sample drew lungs with at least some degree of anatomical correctness. This contrasts with their relatively good self-reported understanding of their illness (7.5/10).

Discussion

Asking patients to draw their illness is cheaper and quicker than performing a pulmonary function assessment; it produces patient-reported outcome data. Drawings can quite likely bypass issues of social desirability. Both adults and young children can draw their representations of their medical problems, thereby giving the physician access to their personal views (for a systematic review of drawing research see Broadbent et al).Citation22 Drawings can also be used as a way to assess patients’ perceptions of changes as a consequence of medical treatment (eg, a study on changes in drawings of the heart before and after a cardiac rehabilitation program).Citation23 Furthermore, drawings have been used to diagnose patient problems that did not come to light via other more traditional methods.Citation24,Citation25 Many patients with chronic conditions such as COPD are rather limited in their health literacy; they often fail to fully understand questions or the results of medical assessments. For these patients, drawing their illness is a relatively straightforward, practical method to express perceptions of their health, which may otherwise be left unspoken.Citation26

This is the first study to ask patients with COPD to draw their perceptions of their lungs. The Luthy et al study instructed the respondents with COPD to draw their body, not explicitly their lungs.Citation16 The Hoogerwerf et al study asked patients with lung cancer to draw their diseased lungs.Citation15 Given the prevalence of COPD, it is rather surprising to find that this disorder is not more often represented in drawing research. The recent systematic review on drawing research by Broadbent et al lists some 100 studies with patients drawing their illness.Citation22 Two drawing studies on lungs (or 2% of studies in the review) contrast rather dramatically with the 10% prevalence of COPD in populations around the world. This discrepancy seems to be rather consistent with the overall underrepresentation of behavioral research about persons with COPD, compared to, for instance, persons with cardiovascular diseases or cancer.Citation6

Having COPD implies breathlessness as a major symptom, in addition to a range of other symptoms (eg, depression, fatigue, social isolation).Citation5,Citation6 Breathlessness is not a topic that is explicitly represented in the drawings of the patients in the current study. It is quite likely that the drawing instruction (“draw how you imagine your lungs to be […] we are interested in your ideas about what your lungs look like”) encouraged patients to try to draw a factual, anatomical representation of lungs, rather than a symbolic representation of symptoms that patients associate with their COPD. In other studies, patients’ drawings explicitly show symbols of strong emotions, for instance of being scared because of attacks of asthma (ropes encircling the thorax),Citation19 daggers and thunder bolts in migraine,Citation28 and blood and symbols of death in myocardial infarction.Citation23 Future studies should consider using instructions to also draw emotions associated with having COPD.

In drawing research, empirical studies on associations between clinical characteristics of an illness, and drawings and illness perceptions are lacking. It is, therefore, hard to draw conclusions about whether the range of disease severity in our study is associated with drawing characteristics or scores on the B-IPQ. This is another area of future research. Clinical observation and empirical work point to the importance of denial, stigma, embarrassment, and shame regarding a long career of smoking tobacco as a major cause of COPD. In our study, the patient who drew cigarette butts in his lungs is one of the few who apparently acknowledged smoking as being related to the disease.

Behavioral scientists from “the Denver group” were one of the first to point out the relevance of stigma in persons with COPD.Citation29 Recently, Rose et al reviewed the topic of stigma-related experiences in non-communicable respiratory disease and underlined associations between stigma on the one hand, and reductions in quality of life in the patients concerned, on the other.Citation30

The limitation of the relatively small number of drawings does not take away strength in this study: the majority of patients were willing and able (although not all) to draw their lungs and their respiratory illness. Future research in this area may benefit from expanding and refining clinical (eg, COPD severity) and psychological characteristics (eg, depression, self-efficacy) that might be associated with aspects of the drawing.Citation3 In intervention studies – be they with a pharmacological, clinical or behavioral focus – drawings could be included as an additional outcome measure (compare with Reynolds et al and Broadbent et al where drawings were predictive of important outcomes such as return to work).Citation7,Citation23 Drawings are an additional way of studying patients’ perceptions of COPD, which may be of additional value to tests of pulmonary function, laboratory data, or chest X-ray, namely reflecting how patients perceive and cope with the condition. Furthermore, using drawings instead of using questionnaires may close the gap for those patients who have limited health literacy.Citation26 Future research might examine the effects of focused attention by health care providers to educate patients about how COPD affects the lungs and other physical issues.Citation27 Greater patient understanding of how COPD anatomically affects the lungs and understanding the influence of smoking and medication on lung function may affect patients’ adherence to medication or smoking cessation.Citation31

Conclusion

Asking patients to draw their illness and report their illness perceptions may highlight areas of misunderstanding or lack of knowledge to clinicians. Clinicians could then target these areas for greater discussion and education using anatomical drawings, computer animations, or plastic models of the lungs. This may increase patients’ feelings of self-efficacy and improve self-management, resulting in better quality of life.

Disclosure

GMA and MV are employees of Boehringer Ingelheim Pharma GmbH & Co. KG, Ingelheim am Rhein, Germany. AAK, JT and EB report no conflicts of interest in this work.

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