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Salud mental

versión impresa ISSN 0185-3325

Salud Ment vol.28 no.6 México nov./dic. 2005

 

Artículos originales

La fibromialgia: ¿un Síndrome Somático Funcional o una nueva conceptualización de la histeria? Análisis cuali-cuantitativo

María Isabel Barrera Villalpando* 

José Francisco Cortés Sotres* 

Humberto Guerrero Manning* 

Ariadna Aguirre González* 

*Dirección de Servicios Clínicos, Instituto Nacional de Psiquiatría Ramón de la Fuente, Calz. México-Xochimilco 101, San Lorenzo Huipulco, Tlalpan, 14370, México, D.F. México.


Resumen

En la década de 1880, Paul Briquet describió con gran detalle un síndrome caracterizado por un cuadro de síntomas médicos inexplicables que aparecían en forma insidiosa, con un curso crónico y sin la presencia de los ataques paroxísticos mencionados por Charcot en su descripción de la histeria. La situación actual de la histeria en el escenario clínico es la sustitución del término a favor de sus componentes: trastorno disociativo, trastorno conversivo y trastorno por somatización o somatoforme. Se han agregado otros términos como “síndrome somático funcional” o “síntomas médicamente inexplicables”. Estos síndromes presentan similitudes: están asociados a la depresión y a la ansiedad, tienen alta comorbilidad con los trastornos de la personalidad, los pacientes presentan gran distrés emocional, comparten historias de abuso psicológico, físico o sexual en la niñez y presentan algún tipo de dolor crónico. Al diagnosticarlos con alguno de estos síndromes los pacientes reducen su estrés ante lo invisible, incontrolable e impredecible que implica padecer la sintomatología característica de estos síndromes. La fibromialgia en particular, reúne todas las características antes mencionadas. Turk y Cathébras proponen que la instalación y exacerbación de los síntomas principales de la fibromialgia (dolor y fatiga) siguen un modelo de condicionamiento respondiente y que la repetida exposición a ciertos estímulos generaliza el aprendizaje y la misma sintomatología posteriormente genera un ciclo que la perpetúa. Con el síndrome ya instalado y fortalecido, los pacientes evitan la actividad. Además, los pacientes con fibromialgia presentan el comportamiento típico descrito para la histeria: la “belle indifférence”. Este estudio tiene como objetivo presentar cuantitativamente, en pacientes diagnosticados con fibromialgia, la severidad de la sintomatología, la personalidad prevalente, la comorbilidad con los trastornos de la personalidad, y la severidad de la sintomatología depresiva y ansiosa y, cualitativamente, dar evidencia de la presencia del ciclo que mantiene la sintomatología.

Participantes:

Participaron 10 pacientes, 9 mujeres, 1 hombre, con fibromialgia según los criterios del Colegio Norteamericano de Reumatología.

Variables cuantitativas:

Estatus físico y severidad del síndrome, personalidad, trastornos de la personalidad, síntomas depresivos y ansiosos.

Foco teórico cualitativo:

Se presentan las experiencias de vida narradas por los pacientes.

Procedimiento:

Todos los pacientes fueron evaluados, en forma individual, al inicio de una intervención cognitivo conductual. Los datos cualitativos se obtuvieron de un registro diario durante al menos tres semanas con un máximo de 12 semanas. Se empleó estadística descriptiva.

Resultados.

Los pacientes presentaron en promedio 16.3 ± 2.5 puntos dolorosos. Los resultados de los instrumentos aplicados indican la severidad de la enfermedad. Los datos cualitativos apoyan la existencia de los síntomas típicos descritos para la histeria.

Conclusión.

De los resultados obtenidos del análisis cuantitativo de este grupo de pacientes con fibromialgia, se puede inferir que padecen un trastorno que les genera gran discapacidad, acompañada de dolor y cansancio. Sin embargo, sus características de personalidad dejan ver en ellas altos niveles de neuroticismo, con presencia de trastornos de la personalidad, y conjuntamente niveles importantes de depresión y ansiedad. En el caso de esta última, predomina la ansiedad como rasgo. Las manifestaciones escritas por las pacientes en su registro diario de los sucesos, emociones y pensamientos asociados al dolor y la fatiga confirman la presencia de la sintomatología clásica que caracterizó el constructo de la histeria. Estas pacientes son vulnerables al entorno, con historia de sufrimiento en la niñez y asumieron el rol de adultos desde muy temprana edad. Los síntomas parecen ser el único mecanismo que en algún momento de su vida les permitió liberarse de las responsabilidades que asumieron desde niñas. Desafortunadamente, al parecer este síntoma fue asociado al entorno de acuerdo a las leyes del aprendizaje. Se concluye que la fibromialgia como entidad nosológica cumple con las características de la histeria, pero como etiología se establece por aprendizaje.

Palabras clave: Fibromialgia; síntomas médicamente inexplicables; histeria; aprendizaje; dolor crónico

Summary

During the decade of 1880, Paul Briquet made a well detailed description of a syndrome named after him, characterized by a series of unexplainable medical symptoms that appeared in a hideous way, with clinical curse and without the paroxysmal seizures mentioned by Charcot in his description of hysteria. Nevertheless, all the patients that showed these symptoms were diagnosed as hysteric. Nowadays, the clinical scenery is substituting the term of hysteria in favour of its components and giving it different names such as dissociative disorder, conversive disorder, and disorder caused by somatic symptoms of somatoform. Other terms such as “functional somatic syndrome” or “medically unexplainable symptoms” have been added to the list. In spite of these denominations no explanation has been given to the etiology of hysteria.

Each medical specialty has to contend with some functional somatic syndrome: gastroenterology presents irritable colon; cardiology, precordial pain; neurology, tensional cephalalgia; stomatology presents tempomandibular dysfunction, and ginecology, chronic pelvic pain. Lumbar pain is present in orthopedia, chronic fatigue in cases of infectiousness, and finally, in rheumatology, there is fibromyalgia. In spite of their differences, these symptoms have some likenesses: they are associated to depression and anxiety, and have a high comorbidity with personality disorders; patients show major emotional distress, they share stories of either psychological, physical or sexual abuse during childhool, and suffer from some type of chronic pain. Although having visited several specialists in their search for explanations and treatment, results have been poor and patients have been labelled, in a pejorative way, as hysteric or hypochondriac. When diagnosed with any of these syndromes, patients’ stress is reduced while having to face the invisible, uncontrollable and unpredictable fact implied by suffering from the symptoms that are typical. In particular, fibromyalgia assembles all the characteristics mentioned above. Turk and Cathébras proposed that establishment and exacerbation of the main symptoms of fibromyalgia (pain and fatigue) still constitute and model of respondent conditioning and that repeated exposure to certain stimulus generalizes learning. Also, they affirm that the same symptoms create later a cycle that perpetuates fibromyalgia. Once that symptom have been installed and strengthened, patients avoid all kind of activities, they get involved in legal procedures to obtain leave or else, they look for labour prerogatives. Besides, patients with fibromyalgia show the classic behaviour described for hysteria: “belle indifference”, secondary advantages, dramatizing, blaming for their sufferings events which are out of their daily routine, and scarce tolerance. The purpose of this study is to present quantitatively, in patients diagnosed with fibromyalgia, the following agents: symptoms severity, prevalent personality, comorbidity with personality disorders, and degree of severity of depression and anxiety. Qualitatively, we wish to demonstrate the presence of the cycle that sustains the given symptoms.

Participants:

Ten patients with fibromyalgia participated in our study, 9 women and 1 man, diagnosed according to the criteria of the American College of Rheumatology, aged 37.9 ± 8.8 and with a medium time of evolution of 3 (2-23) years. Quantitative variables: Physical status and syndrome’s severity were assessed using the Fibromyalgia Impact Questionnaire (FIQ); for personality, disorders were evaluated with the Revised Personality Diagnose Questionnaire (PDQ-R); depression, with Beck’s Inventory, and anxiety with Spielberger’s Trait State Inventory. Qualitative theoretical focus: Life experiences narrated by patients in their daily record of events, emotions and thoughts associated with pain, are presented.

Procedure:

All patients were evaluated individually at the beginning of a cognitive behavioural intervention. Qualitative data was obtained from daily records kept during at least three weeks or a maximum of 12. Texts were transcribed and the words most mentioned were identified, as well as those scarcely reported, thus propitiating descriptive categories.

Results:

The American College of Rheumatology established as one of the diagnose criteria for fibromyalgia, the presence of al least 11 of a total of 18 hypersensitive sites. Patients presented in average 16.3 ± 2.5 painful sites. Incapability was measured by patients in 2.3 ± 2.2 in a scale of 0 to 3 points; they reported to have felt well 1.1 ± 1.2 days per week; they didn’t work 1.0 ± 1.1 days per week. The following measures are reported in scale from 1 to 10 points. Laboural interference was calculated in 7.3 ± 2.3; intensity of pain was 8.1 ± 1.4, day long fatigue, 8.4 ± 1.9, morning fatigue was 8.5 ± 2.3. Rigidity was 7.5 ± 3.0; anxiety perceived, 7.5 ± 2.6 (FIQ), and anxiety state along 12 weeks was 38.5 ± 10.3. Anxiety trait during the same period was 50.9 ± 9.7; perceived depression, 6.9 ± 3.4 (FIQ), and cognitive depression 14.7 ± .5. In the scale of personality it was found that six patients reached punctuations higher than T60 in neuroticism, and two other punctuated below T40 in extroversion. Regarding personality disorders it was found an average for 1.8 ± 1.1 disorders per patient; those more frequent were the following: histrionic (4), borderline (3), passive aggressive (2) and schizoid (2). Qualitative data support the existence of the typical symptoms described for hysteria.

Conclusions:

According to the results obtained from the quantitative analysis of this group of patients with fibromyalgia, we can conclude that they suffer from a disorder that generates major incapability accompanied of pain and fatigue. Nevertheless, their personality characteristics show that they have high levels of neuroticism with presence of personality disorders and at the same time important levels of depression and anxiety, predominating in the former, anxiety as a trait. Manifestations described by patients in their daily record of events, emotions and thoughts associated with pain and fatigue, confirm the presence of the classic symptoms that typified the construct of hysteria. These patients are vulnerable to their surroundings, have a story of childhood sufferings, and assumed an adult role from a very early age. Symptoms appear to be the only mechanism which at a given moment in life allowed them to get rid of the responsibilities that burdened them from childhood. Unfortunately, this symptom was associated to their environment, according to the laws of learning. It is concluded that fibromyalgia, as nosologic entity accomplishes the characteristics of hysteria, although as etiology it is established by learning.

Key words: Fibromyalgia; medically unexplained symptoms; hysteria; learning; chronic pain

Texto completo disponible sólo en PDF.

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Recibido: 03 de Octubre de 2005; Aprobado: 15 de Noviembre de 2005

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