Psychiatric comorbidity with chronic headache: evidence-based clinical implications--introduction to the supplement.
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Chronic Disease↗
Biomedical subjects
Jeanetta C Rains
Publications and source records attributed to Jeanetta C Rains.
Behavioral facilitation of medical treatment of headache: implications of noncompliance and strategies for improving adherence.
Clinical recommendations were gleaned from a review of treatment adherence published in the regular issue of Headache (released in tandem with this supplement). The recommendations include: (1) Nonadherence is prevalent among headache patients, undermines treatment efficacy, and should be considered as a treatment variable; (2) Calling patients to remind them of appointments and recalling those who miss a scheduled appointment are fundamentally the most cost-effective adherence-enhancing strategies, insofar as failed appointment-keeping acts as a ceiling on all future treatment and adherence efforts; (3) Simplified and tailored medication regimens improve adherence (eg, minimized number of medications and dosings, fixed-dose combinations, cue-dose training, stimulus control); (4) Screening and management of psychiatric comorbidities, especially depression and anxiety, is encouraged; (5) The concept of self-efficacy as a modifiable psychological process often can be employed to predict and improve adherence.
Appointments and Schedules↗
Sleep and headache disorders: clinical recommendations for headache management.
Clinical practice points were drawn from a review of sleep and headache disorders published in the regular issue of Headache (released in tandem with this supplement). The recommendations include: (1) Sleep as well as psychiatric disorders tend to become prevalent in more complex and severe headache patterns and regulation of sleep and mood may favorably impact headache threshold; (2) Specific headache patterns, irrespective of headache diagnosis, are suggestive of a potential sleep disorder (eg, "awakening" or morning headache, chronic daily headache); (3) Sleep disorders most implicated with headache include obstructive sleep apnea, primary insomnia, and circadian phase abnormalities, and treatment of such sleep disorders may improve or resolve headache; (4) Inexpensive screening tools (eg, sleep history interview, headache/sleep diary, validated questionnaires, prediction equations) aid identification of patients warranting polysomnography; and (5) Pharmacologic and behavioral therapies are effective in the regulation of sleep and are compatible with usual headache care.
Headache Disorders↗
Headache and sleep disorders: review and clinical implications for headache management.
Review of epidemiological and clinical studies suggests that sleep disorders are disproportionately observed in specific headache diagnoses (eg, migraine, tension-type, cluster) and other nonspecific headache patterns (ie, chronic daily headache, "awakening" or morning headache). Interestingly, the sleep disorders associated with headache are of varied types, including obstructive sleep apnea (OSA), periodic limb movement disorder, circadian rhythm disorder, insomnia, and hypersomnia. Headache, particularly morning headache and chronic headache, may be consequent to, or aggravated by, a sleep disorder, and management of the sleep disorder may improve or resolve the headache. Sleep-disordered breathing is the best example of this relationship. Insomnia is the sleep disorder most often cited by clinical headache populations. Depression and anxiety are comorbid with both headache and sleep disorders (especially insomnia) and consideration of the full headache-sleep-affective symptom constellation may yield opportunities to maximize treatment. This paper reviews the comorbidity of headache and sleep disorders (including coexisting psychiatric symptoms where available). Clinical implications for headache evaluation are presented. Sleep screening strategies conducive to headache practice are described. Consideration of the spectrum of sleep-disordered breathing is encouraged in the headache population, including awareness of potential upper airway resistance syndrome in headache patients lacking traditional risk factors for OSA. Pharmacologic and behavioral sleep regulation strategies are offered that are also compatible with treatment of primary headache.
Depressive Disorder↗
The neuropsychology of recurrent headache.
Headache is recognized as one of the most prevalent neurological disorders, and is the most frequently reported symptom following injury to the head, brain, or neck. Although studies of central nervous system abnormalities in headache sufferers have emerged in recent years, less is known about the associated functional impairments. The research literature addressing neuropsychological consequences of headache has been far from conclusive. Migraine has been most extensively studied, with some consistent evidence of subtle but potentially significant changes in cognition occurring during and between migraine episodes. It also appears likely that migraine patients with aura experience more neuropsychological deficits than those without aura. While the literature devoted to understanding the neurocognitive profile of migraine sufferers is growing, much less research has addressed the neuropsychology of tension-type headache and posttraumatic headache (PTHA). There is some suggestion of poorer neuropsychological function in tension-type headache than controls, but the evidence is inconclusive. The PTHA population is highly varied in degree and location of trauma, preexisting headache condition, and other injury-related variables, allowing little generalization across studies. This paper summarizes research regarding the cognitive symptoms associated with migraine, tension-type headache, and PTHA, provides an overview of the cognitive side effects of headache medications, and addresses clinical implications and priorities for future research.
Comorbidity↗
Behavioral facilitation of medical treatment for headache--part I: Review of headache treatment compliance.
Noncompliance or nonadherence with medical regimens represents a major challenge to the practice of medicine including the treatment of headache. Indeed, medication use patterns are particularly relevant to headache because of the potential for headache therapies to induce medication-overuse headache. Previous research has demonstrated that adherence to long-term medication therapy for various chronic illnesses averages only about 50%. The rate of adherence among headache patients has been found to be similarly poor. Misuse or overuse of symptomatic medication has been demonstrated to contribute to treatment failure, and one-fourth to one-half of patients are noncompliant with prophylactic headache medications and at least 40% nonadherent with appointment-keeping. Adherence declines with more frequent and complex dosing regimens, side effects, and costs, and is subject to a wide range of psychosocial influences. Subjective reports of adherence are likely not only to overestimate but also to be discordant with more objective measurements. As the first of 2 articles, this paper describes the problem of noncompliance in medical practice and reviews literature addressing compliance specific to headache management. A companion paper (Behavioral Facilitation of Medical Treatment for Headache--Part II: Theoretical Models and Behavioral Strategies for Improving Adherence) summarizes social learning models proposed to characterize the multiple determinants of adherence and guide behavioral adherence-enhancing interventions, and then presents cognitive and behavioral strategies that may facilitate treatment adherence with headache patients.
Disease Progression↗
Behavioral facilitation of medical treatment for headache--part II: Theoretical models and behavioral strategies for improving adherence.
This is the second of 2 articles addressing the problem of noncompliance in medical practice and, more specifically, compliance with headache treatment. The companion paper describes the problem of noncompliance in medical practice and reviews literature addressing compliance in headache care (Behavioral Facilitation of Medical Treatment for Headache--Part I: Review of Headache Treatment Compliance). The present paper first summarizes relevant health behavior theory to help account for the myriad biopsychosocial determinants of adherence, as well as patient's shifting responsiveness or "readiness for change" over time. Appreciation of health behavior models may assist in optimally tailoring interventions to patient needs through instructional, motivational, and behavioral treatment strategies. A wide range of specific cognitive and behavioral compliance-enhancing interventions are described, which may facilitate treatment adherence among headache patients. Strategies address patient education, patient/provider interaction, dosing regimens, psychiatric comorbidities, self-efficacy enhancement, and other behavioral interventions.
Behavior Therapy↗
Sleep-related headache syndromes.
An association between headache and sleep is long recognized in the medical literature and deemed highly clinically relevant for at least a portion of headache sufferers. Sleep-related headaches are not well understood, but recent advances in the neurophysiology of sleep and headache shed light on common biological processes potentiating their association. Respective diagnostic nosologies for headache and sleep disorders offer limited guidance but are evolving to better represent the known associations. A rational approach based on the available empiricism can assist the clinician in the assessment and treatment of headache. Each headache evaluation should include at least a brief sleep history. Headaches that occur during or after sleep, so called morning headache, may be secondary to a sleep disorder and call for a specific treatment. This case is best established for sleep-related breathing disorders, and treatment of apnea often leads to resolution of the headache. Although pure sleep-related headaches, such as hypoxemia-related headache and hypnic headache, are less prevalent and more easily recognized, primary headaches are often impacted to some degree by sleep. Additionally, common headache medications and comorbid conditions alter sleep architecture. Management of primary headache may be facilitated by attention to sleep complaints.
Headache Disorders↗
Hormones, menstrual distress, and migraine across the phases of the menstrual cycle.
OBJECTIVE: The primary objectives of the present study were to (1) contrast reproductive hormone levels and ratings of menstrual distress of female migraineurs with those of a control group in each menstrual cycle phase, (2) examine correlations between hormone levels and migraine frequency, severity, and migraine-related disability, and (3) examine correlations between menstrual distress and migraine frequency, severity, and migraine-related disability. A secondary objective was to evaluate the validity of a migraine disability measure modified to reflect 7-day recall. BACKGROUND: Further controlled, prospective study is needed regarding the temporal relationships between reproductive hormones at each stage of the menstrual cycle and fluctuations in migraine activity across the cycle. METHODS: Twenty-three women (17 with migraine, 6 control participants) completed laboratory hormone assays and measures of menstrual distress and disability at each phase of one menstrual cycle, and monitored their headache activity daily during the same cycle. Results.-The migraine group evidenced lower premenstrual luteinizing hormone and more menstrual distress symptoms at each phase of the menstrual cycle. Hormones were associated with migraine activity and disability within cycle phases, and across phases in a time-lagged manner. Menstrual distress was associated with ovulatory phase migraine activity and with migraine-related disability across the menstrual cycle. A retrospective 7-day migraine disability measure appeared to be a consistently valid index. CONCLUSIONS: Both reproductive hormones and menstrually related distress appear to predict migraine activity and disability. These associations were evident not only for perimenstrual migraine, but also for migraine at each phase of the menstrual cycle.
Adult↗
Time-series features of headache: individual distributions, patterns, and predictability of pain.
OBJECTIVE: This preliminary study employed "within-patient" time-series methodology to examine headache symptom distributions (peak, sum) to assess predictability of day-to-day headache based on overall pattern, and to better characterize distributional properties of headache as they relate to study design and statistics in future research. BACKGROUND: Headache symptoms for a given patient may vary widely from one day to the next, ranging from days when the headache sufferer is asymptomatic to days when he or she is functionally disabled with severe headache. Although day-to-day variations are well recognized and appreciated clinically, headache is seldom studied using daily (eg, time-series) methodology that can elucidate potentially important individual and temporal variations. Instead, most headache research has relied upon cross-sectional designs aimed at examining group rather than individual effects which may serve to mask important individual differences. Additional within-patient time-series studies are needed to help identify symptom patterns, clinically meaningful patient subgroups, and relationships among precipitants, interventions, and outcomes. Such research would be aided by delineation of the distributional and temporal properties of key scales (eg, daily headache peak, sum). The present research provides such information derived from clinical samples of migraine and tension-type headache sufferers, laying a foundation for future time-series research. METHODS: Twenty-five migraine and 24 tension-type headache sufferers prospectively recorded daily headache activity for 1 month. Individual headache distributions were generated and examined individually and by diagnostic group. Predictability for headache was analyzed case by case and summarized by diagnostic group. RESULTS: The study determined the degree to which individual patients' headache activity distributions deviate from normality (skewness, kurtosis). For migraine and tension-type headache, individual patients' headache patterns were distinctly bimodal in nature. Notably, headache patterns with the lowest frequency were the most bimodal, and as frequency increased, the distributions tended to more closely approximate normal. Patterns were also detailed according to measures of predictability for headache (trends, autocorrelation). Generally, headache days tended to cluster together for both tension-type and migraine (positive autocorrelation) with headache on day 1 being a good predictor of headache on day 2. CONCLUSIONS: To the authors' knowledge, this is the first study to utilize time-series methodology to characterize individual patients' headache distributions and temporal patterns and to empirically address predictability in this manner. The bimodal distributions noted among less frequent headache patterns would suggest that basic assumptions underlying the use of inferential statistics may be violated when examining intra-individual relationships. Time-series research promises to yield unique insights into patterns, precipitants, and impact of headache disorders, but future research must address both the large degree of individual differences in headache and the account for the unique types of statistical distributions among individual headache sufferers.
Adult↗
Behavioral headache research: methodologic considerations and research design alternatives.
Behavioral headache treatments have garnered solid empirical support in recent years, but there is substantial opportunity to strengthen the next generation of studies with improved methods and consistency across studies. Recently, Guidelines for Trials of Behavioral Treatments for Recurrent Headache were published to facilitate the production of high-quality research. The present article compliments the guidelines with a discussion of methodologic and research design considerations. Since there is no research design that is applicable in every situation, selecting an appropriate research design is fundamental to producing meaningful results. Investigators in behavioral headache and other areas of research consider the developmental phase of the research, the principle objectives of the project, and the sources of error or alternative interpretations in selecting a design. Phases of clinical trials typically include pilot studies, efficacy studies, and effectiveness studies. These trials may be categorized as primarily pragmatic or explanatory. The most appropriate research designs for these different phases and different objectives vary on such characteristics as sample size and assignment to condition, types of control conditions, periods or frequency of measurement, and the dimensions along which comparisons are made. A research design also must fit within constraints on available resources. There are a large number of potential research designs that can be used and considering these characteristics allows selection of appropriate research designs.
Behavior Therapy↗
Behavioral research and the double-blind placebo-controlled methodology: challenges in applying the biomedical standard to behavioral headache research.
The randomized, double-blind, placebo-controlled experimental design has prevailed as the "gold standard" in biomedical research, intended to control potential bias in patient/group assignment, investigator allegiance, patient expectations, and nonspecific therapeutic effects. Properly executed, such designs ensure a study's internal validity and allow differential group outcomes to be attributed to the active treatment. These controlled trials generally yield more conservative outcomes than open trials and case reports and establish efficacy in pharmaceutical research. In meta-analytic reviews, studies are often assigned quality scores based in part on the degree to which they meet this scientific standard. Applying the biomedical research design standards for blinding and placebo control to clinical trials evaluating behavioral and other nonpharmacologic headache treatment nearly always is either infeasible or simply not possible. Only rarely is blinding meaningfully achievable in administration of behavioral or psychological therapies. Various "psychological placebo" control conditions have been forwarded in behavioral studies (eg, sham treatments, pseudomeditation), but these controls are incapable of emulating an inert control condition comparable to that of the pill placebo in pharmacologic research, and they are best reserved for studies examining the mechanisms whereby an intervention produces improvement. This article reviews the conceptual and procedural challenges in applying the standard pharmaceutical clinical trials research design to behavioral headache research as well as implications for meta-analyses across studies of various treatment modalities.
Behavior Therapy↗
Headache and psychiatric comorbidity: historical context, clinical implications, and research relevance.
The comorbidity of headache and psychiatric disorders is a well-recognized clinical phenomenon warranting further systematic research. Affective disorders occur with at least three-fold greater frequency among migraineurs than among the general population, and the prevalence increases in clinical populations, especially with chronic daily headache. When present, psychiatric comorbidity complicates headache management and portends a poorer prognosis for headache treatment. However, the relationship between headache and psychopathology has historically been misunderstood, and measures of psychopathology have not always met the standard of formal Diagnostic and Statistical Manual of Mental Disorders, 4th ed. (DSM-IV) criteria. In some cases, headache has been inappropriately attributed to psychological or psychiatric features, based on anecdotal observations. The challenge for future studies is to employ research methods and designs that accurately identify and classify the subset of headache patients with psychiatric disorders, evaluate their impact on headache symptoms and treatment, and identify optimal behavioral and pharmacologic treatment strategies. This article offers methodological considerations and recommendations for future research including: (i) ascribing dual-International Classification of Headache Disorders, 2nd ed. (ICHD-2) headache and DSM-IV psychiatric diagnoses according to reliable and valid diagnostic criteria, (ii) differentiating subclinical levels of depression and anxiety from major psychiatric disorders, (iii) encouraging validation studies of the recently published ICHD-2 diagnoses for "headache attributed to psychiatric disorder," (iv) expanding epidemiological research to address the range of DSM-IV Axis I and II psychiatric diagnoses among various headache populations, (v) identifying relevant psychiatric and behavioral mediator/moderator variables, and (vi) developing empirically based screening and treatment algorithms.
Anxiety Disorders↗
Future directions in behavioral headache research: applications for an evolving health care environment.
Three decades of research has produced effective behavioral treatments for migraine and tension-type headache, yet the full fruition of this research has not been realized. Further development and dissemination of behavioral treatments is needed to impact the large numbers of those with headache who potentially could benefit from these interventions. At the same time, an evolving health care environment challenges researchers and providers to employ greater efficiency and innovation in managing all chronic disorders. Hopefully, the recently published clinical trials guidelines for behavioral headache research will serve as a catalyst for production of quality empiricism that, in turn, will generate enhanced behavioral strategies and will optimize health care resource utilization. This article describes 10 areas of critical needs and research priorities for behavioral headache research, including: replication and extension of seminal studies using improved methodology; analysis of barriers to implementation of behavioral treatments; development of referral and treatment algorithms; behavioral compliance facilitation with medical interventions; development of a headache self-management model; integration of behavioral intervention within traditional medical practice; identification and management of comorbid psychopathology among headache patients; prevention of disease progression; analysis of behavioral therapeutic mechanisms, and development of innovative treatment formats and applications of information technologies.
Behavior Therapy↗
Behavioral headache treatment: history, review of the empirical literature, and methodological critique.
Theoretical developments and burgeoning research on stress and illness in the mid-20th century yielded the foundations necessary to conceptualize headache as a psychophysiological disorder and eventually to develop and apply contemporary behavioral headache treatments. Over the past three decades, these behavioral headache treatments (relaxation training, biofeedback, cognitive-behavioral therapy, and stress-management training) have amassed a sizeable evidence base. Meta-analytic reviews of the literature consistently have shown behavioral interventions to yield 35% to 55% improvements in migraine and tension-type headache and that these outcomes are significantly superior to control conditions. The strength of the evidence has lead many professional practice organizations to recommend use of behavioral headache treatments alongside pharmacologic treatments for primary headache. The present overview was prepared as a companion article to and intended to provide a background for the Guidelines for Trials of Behavioral Treatments for Recurrent Headache also published within this journal supplement. This article begins with a synopsis of key historical developments leading to our current conceptualization of migraine and tension-type headache as psychophysiological disorders amenable to behavioral intervention. The evolution of the behavioral headache literature is discussed, exemplified by publication trends in the journal Headache. Leading empirically-based behavioral headache interventions are described, and meta-analytic reviews examining the migraine and tension-type headache literatures are summarized, compared, and contrasted. A critique of the methodological quality of the clinical trials literature is presented, highlighting the strengths and weaknesses in relation to recruitment and selection of patients, sample size and statistical power, the use of a credible control, and the reproducibility of the study interventions in clinical practice.
Behavior Therapy↗
Guidelines for trials of behavioral treatments for recurrent headache, first edition: American Headache Society Behavioral Clinical Trials Workgroup.
Guidelines for design of clinical trials evaluating behavioral headache treatments were developed to facilitate production of quality research evaluating behavioral therapies for management of primary headache disorders. These guidelines were produced by a Workgroup of headache researchers under auspices of the American Headache Society. The guidelines are complementary to and modeled after guidelines for pharmacological trials published by the International Headache Society, but they address methodologic considerations unique to behavioral and other nonpharmacological treatments. Explicit guidelines for evaluating behavioral headache therapies are needed as the optimal methodology for behavioral (and other nonpharmacologic) trials necessarily differs from the preferred methodology for drug trials. In addition, trials comparing and integrating drug and behavioral therapies present methodological challenges not addressed by guidelines for pharmacologic research. These guidelines address patient selection, trial design for behavioral treatments and for comparisons across multiple treatment modalities (eg, behavioral vs pharmacologic), evaluation of results, and research ethics. Although developed specifically for behavioral therapies, the guidelines may apply to the design of clinical trials evaluating many forms of nonpharmacologic therapies for headache.
Behavior Therapy↗
Neuropsychology of migraine: present status and future directions.
Migraine is recognized as a primarily neural condition. Changes in neural physiology have been consistently identified in migraineurs. Numerous studies are available that evaluate physical and functional differences between migraineurs and headache-free controls. The most prominent neuroimaging findings reported in migraine sufferers have been white matter changes. However, physical changes on neuroimaging have not been clearly correlated with functional impairment in migraineurs. The current literature addressing the neuropsychologic consequences of migraine has been far from conclusive, and reports of cognitive testing in adult migraineurs and controls has yielded inconsistent results. Neuropsychologic testing suggests that there may be some subtle but possibly significant changes in cognition that occur both during and between migraine episodes. A finding emerging with some consistency is that migraine patients with aura experience more neuropsychologic deficits than migraine patients without aura. The few studies that assess nonmigraine headache suggest that physical changes may not be unique to migraine, although neuropsychologic changes do appear to be limited to migraineurs. An examination of the unmet needs and priorities for future research addressing this important topic is provided.
Cognition Disorders↗
Behavioral interventions for tension-type headache: overview of current therapies and recommendation for a self-management model for chronic headache.
Behavioral treatments (relaxation, biofeedback, cognitive-behavioral therapy) have been empirically validated for migraine and tension-type headaches, with recent meta-analyses yielding 37% to 50% reductions in tension-type headache, comparing favorably with 33% reduction from medication prophylaxis (amitriptyline). Research has moved toward increasing availability and cost effectiveness through alternative delivery formats and combining and comparing them with standard medications. Further modifications would make standard behavioral treatments available and conducive to primary care settings where most patients receive treatment. Beyond the current behavioral and drug treatments, we propose a fundamental shift in conceptualization and treatment for headache.
Behavior Therapy↗