FIBROMYALGIA
SYNDROME
The fibromyalgia syndrome
(FMS) is a chronic painful condition of unknown cause. The American College of
Rheumatology (ACR) has created a set of criteria for diagnosis which include the presence
of at least nine of eighteen symmetrical tender points that must be present for at least
three months, which must also be both above and below the waist. There should also be a
sleep disorder and no other obvious illness to explain them, although the presence of
another painful disease does not rule out the diagnosis of FMS. The sleep disorders can
sometimes be documented in sleep laboratories but these studies are generally confined to
research, and are not clinically useful.
FMS patients frequently
remain undiagnosed for long periods of time due to the fact that there are no specific
diagnostic tests or x-rays. This fact, plus the frequently vague character of the
complaints, leads to a poor understanding of the condition by many physicians, further
delaying the diagnosis in many cases. These delays can often contribute to anxiety,
insomnia, and depression that usually accompany the problem to a greater or lesser degree
anyway. The circle is then completed because these emotional overlays help convince many
specialists in certain "hard science" fields like neurology and orthopedics that
the complaints are spurious.
The diagnostic dilemma is
complicated by the reluctance of insurance companies to recognize conditions that may lack
definitely recognizable radiographic or laboratory abnormalities.
FMS can develop de novo or
can result from trauma if chronic pain is allowed to occur. Although the emotional
problems are well documented in FMS
patients, there is a large and growing body of
research which demonstrates that the pre-morbid distribution of
psychiatric abnormalities
in FMS patients is no different from that of the general population.
Treatment consists of
normalizing the sleep disorder by using medications which restore the deficient delta wave
(deep, dreamless) sleep. These are anti-depressants, usually used in doses lower
than those required
for clinical depression. Anti-inflammatory agents, analgesics, topical agents, and
physical therapy modalities may also be employed. Periodic injections into persistent
tender points with various mixtures of anesthetics, steroids, and plant or bacterial
products are also employed with varying degrees of success.