This message may surprise those who have not closely followed recent developments in the field of bipolar disorders. Even Emil Kraepelin -- who exactly 100 years ago separated manic-depressive illness, in which the patient has a good prognosis, from schizophrenia, in which the patient deteriorates -- had described chronic evolution (manic "dementia") in a small proportion of cases. The mystery today is that despite the cyclic or periodic course of the illness, which includes intervals in which patients are free of episodes, many patients undergo a substantial decline in social functioning. The orientation toward achievement and the creativity that are touted as characterizing bipolar disorder in reality occur more often in the relatively well kin of the patients. This suggests that we are dealing with a polygenic disorder, whereby the patients are paying the price of the benefits that accrue to family members with more "dilute" genotypes. Patients with the severest forms of the illness are obviously more likely to be studied in tertiary care university centers. Because physicians study the mildest phenotypes of an illness only rarely, one might argue that the findings reported in this book do not apply to all patients with bipolar disorder. We lack data on the outcome of bipolar disorder in patients who are treated in private-practice settings.
But a review of the literature does suggest that lithium -- as currently used -- is no longer as effective as it was when it was first introduced in the 1960s. This finding invites several interpretations. Some environmental factor, such as a rise in the abuse of stimulants, may have complicated the underlying biologic substrates of mood, drive, and cognition, so that anticonvulsants are needed to control the complicated forms of the illness. What is not clear is whether the new course of the illness is substantially better with the use of anticonvulsants and rational polypharmacy, both of which are covered extensively in this book. Another possible contribution to the failure of lithium treatment is the extension of the boundaries of bipolarity to more complex forms, which are less likely to respond to lithium.
Lithium worked well for the first two to three decades after its discovery in 1949: not only did it prevent disruptive episodes, but it also appeared to attenuate mood flare-ups between episodes. Lower suicide rates and reduced mortality in patients with bipolar disorder are perhaps the most persuasive evidence for the long-term effectiveness of lithium therapy. A book on the prognosis of bipolar disorder should have devoted an entire chapter -- not a meager seven lines -- to this important preventable complication of bipolar disorder.
I submit that the success of lithium when it was first introduced has much to do with the fact that it was dispensed in clinics for mood disorders. There was an enthusiasm among clinicians -- physicians, nurses, psychologists, and social workers -- that was in part based on a belief in the "magical" powers of lithium. This translated into more personal and systematic long-term care of patients with bipolar disorder and their families. Unfortunately, today's health care climate is not geared to the care of patients with long-term illness who require close follow-up. Lithium, which necessitated medical vigilance, had created an ambience of personalized care. Today, lithium and the new mood stabilizers are, unfortunately, not being administered in such an environment.
Before 1990, antidepressants -- believed by some to destabilize the neuropharmacologic substrates of bipolarity -- were used more sparingly in the treatment of bipolar disorders. When patients are not followed in a specialized clinic, their treatment is often fragmented. As a result of only some of their symptoms being observed, they can be exposed to indiscriminate antidepressant treatment and not treated with mood stabilizers. The lack of a chapter devoted to the proper setting in which to study and care for patients with bipolar disorder -- a reflection of the inadequacy of current mental health care -- is one of the shortcomings of this book.
Edward Hare, in a provocative paper on the "two manias" (British Journal of Psychiatry. 1981;138:89-99), contends that before the introduction of humane methods for the treatment of the mentally ill at the turn of the 18th century, mania often pursued a chronic course. Only after the mentally ill were unchained and provided with good general physical care, good nutrition, and proper social rehabilitation did patients with mania have periods of remission long enough for them to leave the hospital. I contend that the current closing of mental hospitals has created a homeless population of patients with bipolar disorder who have no one to care for them. It is ironic that an action intended to liberate the mentally ill from the milieu of the state hospital is now exposing them to greater perils. The prognosis of bipolar illness will not improve through better science unless it is coupled to social policy that provides humane care for the severely mentally ill.
One must not, however, be lulled into complacency, thinking that we will conquer this disorder with humane legislation. Bipolar disorder continues to be an important challenge to psychiatry, and this book documents our failure to meet this challenge. As such, it deserves to be studied by all serious students of bipolarity. They will be rewarded by the considerable scholarship reflected in the individual chapters.
Reviewed by Hagop S. Akiskal, M.D.
Copyright © 1999 Massachusetts Medical Society. All rights reserved. The New England Journal of Medicine is a registered trademark of the MMS.
"This book provides a good overview of the major phenotypes of this disorder and comorbid states in adults.... The book does provide a useful overview of the emergence of new classes of therapeutic drugs for bipolar disorder and the appropriate blending of psychtherapeutic and pharmacologic techniques."-- "Journal of Clinical Psychiatry"
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