ORIGINAL ARTICLE

Main symptoms associated to the catastrophizing in women with fibromyalgia and migraine


Principais sintomas associados à catastrofização em mulheres com fibromialgia e migrânea

Amanda de Oliveira Freire Barros(1)
Manuella Moraes Monteiro Barbosa Barros(1)
Reydiane Rodrigues Santana(1)
Débora Wanderley(1)
Angélica da Silva Tenório(1)
Daniella Araújo de Oliveira(1)
1 - Universidade Federal de Pernambuco, Departamento de Fisioterapia - Recife - PE - Brazil.

*Correspondence
Manuella Moraes Monteiro Barbosa Barros
E-mail: manu_mmbb@hotmail.com
Received: May 27, 2020.
Accepted: June 5, 2019.
DOI: 10.5935/2178-7468.20200011

ABSTRACT

Objective: To evaluate the main symptoms associated catastrophizing in women with fibromyalgia and migraine. Methodology: We conducted an observational study with 26 women diagnosed with both fibromyalgia and migraine, aged between 30 and 60 years (46±8 years). The Pain Catastrophizing Scale was applied as a cut-of point =30, dividing the volunteers in groups with (n=18) and without catastrophizing (n=8). We assessed the quality of sleep (Pittsburgh sleep quality index), the presence of depression and anxiety (Becks depression and anxiety inventories), the quality of life perception (Fibromyalgia impact  questionnaire-revised), the disability due to migraine (Migraine disability assessment) and the level of physical activity (International physical activity questionnaire). Results: The time of fibromyalgia did not difer (p=0.80) between the group with (8.54±4.88) and without catastrophizing (10.04±3.47). The Fibromyalgia impact questionnaire-revised scores were significantly higher (p=0.01) among women with catastrophizing (78±12.6) than those without (56.6±22.3). There was no diference between the groups (p>0.05) in relation to the other outcomes evaluated. Conclusion: The presence of catastrophizing in women with fibromyalgia and migraine are associated with a worse perception of quality of life. a worse perception of quality of life.

Keywords: : Fibromyalgia; Migraine disorders; Catastrophization

 

RESUMO

Objetivo: Avaliar os principais sintomas associados à catastrofização em mulheres com fibromialgia e migrânea. Metodologia: Foi realizado um estudo observacional com 26 mulheres com diagnóstico de fibromialgia e migrânea, simultaneamente; e idade entre 30 e 60 anos (46±8 anos). A escala de catastrofização da dor foi aplicada como ponto de corte =30, dividindo as voluntárias nos grupos com (n=18) e sem catastrofização (n=8). Foi avaliada a qualidade do sono (Pittsburgh Sleep Quality Index), a presença de depressão e ansiedade (Beck Depression Inventory e Beck anxiety inventorie), a percepção da qualidade de vida (Fibromyalgia Impact Questionnaire-Revised),a incapacidade devido à migrânea (Migraine disability assessment) e o nível de atividade física (International Physical Activity Questionnaire). Resultados: O tempo de diagnóstico de fibromialgia não diferiu (p=0,80) entre os grupos com (8,54±10,04) e sem catastrofização (4,88±3,47).Os escores do Fibromyalgia Impact Questionnaire-Revised foram significativamente maiores (p=0,01) entre mulheres com catastrofização (78±12,6) do que aquelas sem (56,6±22,3). Não houve diferença entre os grupos (p>0,05) em relação aos demais desfechos avaliados. Conclusão: A presença de catastrofização em mulheres com fibromialgia e migrânea está associada à piora da percepção de qualidade de vida.

Descritores: Fibromialgia; Transtornos de enxaqueca; Catastrofização

 

INTRODUCTION

Fibromyalgia is a broad- spectrum disease that has an average worldwide prevalence of 4.1% in women1. Over the years, the classification of fibromyalgia by the American College of Rheumatology has undergone improvements, ceasing to be characterized only by chronic widespread pain and  the  presence of tender points in anatomically specific regions, known as tender points2. Currently the classification takes into account the symptoms associated with this disease3,4.

The etiology  of  fibromyalgia is not yet fully understood, but several factors contribute to its development, including dysfunctions of the central and autonomic nervous system, neuroendocrine disorders, regulation of neurotransmitters, changes in the hypothalamic-pituitary axis and exposure to stressors5,6. Sensory stimuli transmitted to the central nervous system are processed in an altered manner, resulting in generalized pain and changes in the painful threshold6,7.

Fibromyalgia presents a complex picture that includes numerous symptoms such as depression, anxiety, headache, cognitive and sleep disorders and negative impacts on quality of life8. In this context, migraine is a relevant symptom and represents the type of headache most found in patients with fibromyalgia, whose prevalence varies between 45 and 80%9.

In addition, the cognitive and emotional aspects related to the pain experienced by fibromyalgia patients involve a catastrophizing thought, recognized as a negative state in the face of a painful experience10. Depression is part of the  factors  that  interfere  with the painful perception of fibromyalgia, but unlike catastrophization, it refers to sadness, discouragement, lack of interest and unwillingness to perform activities that previously gave you pleasure11. In turn, catastrophizing is specifically related to thoughts and feelings linked to the painful situation, such as fear, worry, inability to divert attention and deal with pain11.

There is still a lack of studies in the literature12–15 evaluating the presence of catastrophization, however  it is known that this symptom is related  to  chronic pain, feelings of incapacity12, more severe degrees of depression and anxiety, more migraine attacks13, exercise intolerance14 and sleep disorders15.

In addition, catastrophization can worsen the perception of these symptoms, which are also present in fibromyalgia and migraine, making it necessary to evaluate them to guide the treatment of patients.

Despite the above, the catastrophization of pain has not yet been analyzed in women with associated fibromyalgia and migraine. Thus, the present study aimed to assess the main symptoms associated with catastrophization in women with fibromyalgia and migraine.

 

MATERIALS E METHODS

This is an observational, cross-sectional study. The research was carried out from March to November 2015, at the school clinic of the Physiotherapy Department of the Federal University of Pernambuco (UFPE), Recife – PE. The research was approved by the Human Research Ethics Committee of the Health Sciences Center of - UFPE (CAAE 37052114.3.0000.5208). All participants signed an informed consent form.

 

Sample

The participants were recruited from the list of patients seen at the  fibromyalgia  outpatient  clinic  of  the rheumatology sector at Hospital das Clínicas, UFPE. Patients who met the following inclusion criteria were selected: 1. having a diagnosis of fibromyalgia and migraine, simultaneously; 2. age between 30 and 60 years. Pregnant women were excluded due to hormonal changes and their relationship with the presence of migraine, and obese participants.

 

Procedures for data collection

By phone, the participants were invited to participate in the survey and asked about the eligibility criteria. In the initial evaluation, a semi-structured questionnaire was applied to obtain sociodemographic and clinical data. Then, they went through the evaluation of a neurologist who diagnosed the type of headache, based on the criteria of the International Classification of Headache Disorders, 3rd edition - beta version16.

The presence of catastrophizing was assessed using the pain catastrophizing scale. This instrument, validated and adapted to Portuguese (Cronbach alpha= 0,91), assesses the thoughts and feelings of the volunteers in the face of pain experience and consists of 13 items, whose score ranges from 0-4, with 52 being the maximum score17. The global score ³30 indicates that the individual has clinically relevant levels of catastrophization18. The sample was then divided into two groups, one with catastrophization and one without.

 

Outcome Assessment

The sleep quality outcome  was  assessed  using  the Pittsburgh Sleep Quality Index  (PSQI),  validated  and adapted for the Brazilian population, with a high reliability (Cronbach = 0,82). The PSQI has 19 questions ranging from 0-3 and is divided into seven components related to sleep: subjective quality, latency, duration, habitual efficiency, changes and the use of sleep medications and daytime dysfunction. The total score  was given by the sum of all components, reaching a maximum of 21 points19. The depression outcome was assessed by Beck depression inventory (BDI), instrument consisting of 21 multiple-choice questions ranging from 0-3 points, reaching a maximum total score of 63. From the score obtained, the participants were classified as: absence (0-9 points), mild depression (10-18 points), moderate (19-29 points) and  severe  (> 30 points).  BDI is validated and adapted for the Brazilian population (Cronbach = 0,81)20,21. Anxiety was assessed by  the Beck anxiety inventory (BAI), which is also validated and adapted for the Brazilian population22. Composed of 23 multiple-choice questions (ranges from 0-4), the total score  was  achieved  by  the sum of all items,  reaching  a maximum of 63 points, generating the classification: minimal anxiety (0-10 points), mild (11-19 points), moderate (20- 30 points) and severe (> 31 points)22.

The impact of fibromyalgia on the quality of life  of the volunteers was measured by Fibromyalgia Impact Questionnaire-Revised (FIQ-R), with validation and adaptation for the Brazilian population  (Cronbach’s  alpha of 0.96). The instrument contains  21  questions that can vary from 0-10, with 100 being the maximum score. The FIQ-R is divided into three domains: function, global impact and symptom intensity. The final score was given by the sum of these and the higher, the greater

the impact of fibromyalgia on quality of life. The level of pain resulting from fibromyalgia was assessed using this questionnaire, which presents a specific scale related to pain, whose domain of symptom intensity varies from  zero to ten23.

Migraine disability was assessed by the Migraine Disability Assessment Test (MIDAS). From the sum of the scores, the volunteers were classified as: minimal disability (0-5 points), mild (6-10 points), moderate (11-20 points) and severe (> 20 points)24.

The level of physical activity was verified by the International Physical Activity Questionnaire (IPAQ), in its short version. It consists of four questions containing two sub-items that allowed measuring the frequency, duration of activities, intensity during the week and also the periods of inactivity of the participants. Among the categories provided by IPAQ, it was possible to classify the volunteers as: very active, active, irregularly active and sedentary, through data related to the frequency and duration reported by them25.

 

Statistical Analysis

The data were analyzed using the Statistical Package for Social Sciences (SPSS) version 22.0. A descriptive analysis was performed with calculation of the standard deviation for the averages of the measurement variables and frequency of the other variables that characterize the sample. To test the normality of the variables, the Shapiro-Wilk test was used. The t-Student test was used for variables with normal distribution and the Mann- Whitney test for variables with non-normal distribution. In the analysis of categorical variables, the chi-square test (c2) was applied. The level of significance considered was p<0.05.

 

RESULTS

Of the 29 women evaluated, one was  excluded  for having another  type  of  headache  and  two  for not completing the questionnaires. The general characterization of the sample of the 26 included participants (45.9 ± 7.9 years) and the clinical level of pain catastrophization is shown in Table 1. There was no difference between the groups regarding the time of diagnosis of fibromyalgia.

Table 2 shows the characteristics  of the sample in relation to the associated symptoms. The presence of migraine had a serious impact on the daily and professional life of half of the sample. When observing the psychological characteristics of the studied population, it was possible to identify that 76.93% of the volunteers had a degree of depression from mild to moderate and 65.39% reported a moderate to severe degree of anxiety.

Fibromyalgia Impact Questionnaire-Revised scores were significantly higher (p = 0.01) among women with catastrophization (78 ± 12.6) than those without (56.6 ± 22.3). There was no difference between groups (p> 0.05) in relation to the other outcomes assessed (Table 2).

 

DISCUSSION

In the present study, only the perception of quality of life was associated with the presence of catastrophization in women with fibromyalgia and migraine. Despite the lack of association in relation to the other outcomes studied, the results of our study are of great clinical relevance, as they demonstrate that catastrophization can worsen the perception of function, global impact and intensity of symptoms in patients with fibromyalgia and migraine, generating negative repercussions in the quality of life of this population. In addition, this is a pioneering study, since the catastrophizing of pain has not yet been analyzed in women with associated fibromyalgia and migraine.

In the present study, more than half of women with fibromyalgia and migraine exhibited clinically relevant levels of pain catastrophization, differing from  the results of another study13, in which only a quarter of the sample, composed of migrant women, presented this symptom. In this way,  it is possible that the presence  of associated fibromyalgia and migraine, which share similar pathophysiological pathways7,10, has contributed to greater  susceptibility to pain, potentiating changes in central processing and generating greater impact on catastrophizing symptoms.

Another relevant aspect, frequently cited in the literature, is that catastrophization provides a more intense experience of pain in patients with chronic pain14. For this reason, women with the presence of associated fibromyalgia and migraine were expected to experience greater pain intensity and changes in pain threshold6,7. Despite this, in our study, no great variations were observed in the intensity of pain due to migraine and fibromyalgia.

On the other hand, our study showed that fibromyalgia and migraine women with catastrophization had greater impacts on the perception of quality  of  life. It is known that both fibromyalgia8and migraine26 promote negative impacts on patients’ quality of life. Thus, the association between different disabling clinical conditions could aggravate catastrophizing symptoms, making it difficult for the patient to deal with the painful situation11.

It is also often cited that women with fibromyalgia are less physically active than healthy women27, which could be explained by the fear that fibromyalgia patients have that physical activity could worsen their symptoms28. In addition, people with high levels of catastrophization may have worse physical performance14, probably due to intolerance to pain-related activity.

Another common association is the presence of catastrophization, sleep disorders15 and more severe degrees of depression and anxiety13. Despite the findings, in our study the catastrophizing group did not present lower levels of physical activity and  no  association  was observed with worsening migraine impact, sleep disorders, depression and anxiety. It is possible that the lack of association between the variables studied in the present research is related to the small sample size.

The results of the present study have some limitations. As it is an observational study, it is not possible to establish cause and effect relationships in this research.

In addition, the small sample size makes it impossible to perform a statistical analysis with multiple linear regression, which would make it with catastrophization.

 

CONCLUSION

The presence of catastrophization in women with fibromyalgia and migraine is associated with a worsening perception of quality of life.

 

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