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Characteristics of patients with bulimia only, bulimia with affective disorder, and bulimia with substance abuse problems.

Characteristics of patients with a diagnosis of bulimia only (N = 46), bulimia with a history of affective disorder (N = 34), and bulimia with a history of substance abuse (N = 34) were compared. Results showed that compared to patients with bulimia only or with bulimia and affective disorders, patients with bulimia and substance abuse experienced a higher rate of diuretic use to control weight, financial and work problems, stealing before and after the onset of the eating disorder, previous psychiatric inpatient treatment, and greater amount of alcohol use after the onset of the eating disorder. Both the substance abuse group and affective disorder group showed a higher incidence of attempted suicide, more social problems, and greater overall treatment rate than the bulimia only group. There were no significant differences among groups in their family histories.

Alcoholism

Serum salivary isoamylase levels in patients with anorexia nervosa, bulimia or bulimia nervosa.

Salivary isoamylase levels were studied in a sample of 35 women with bulimia, anorexia nervosa, or bulimia nervosa. Salivary isoamylase elevation was related to the presence of sham eating, evidenced by elevated isoamylase values in patients with bulimia nervosa or bulimia, and depressed isoamylase values in patients with anorexia nervosa. Salivary isoamylase levels may provide insight and have bearing on the functional interrelationship between appetite regulation and ingestive behavior in patients with eating disorders, as abnormalities may occur during both the cephalic as well as the oral phase of eating.

Adolescent

Non-bulimia: food regurgitation in a patient with self-diagnosed bulimia.

The increased prevalence of bulimia has received great publicity by the news media. Such publicity predisposes individuals to self-diagnosis. A 57-year-old man with a 10-year history of food regurgitation presented to an eating disorder clinic complaining of bulimia, which he had heard discussed on a television talk show. He proved not to have bulimia but a large pharyngoesophageal (Zenker's) diverticulum. The diagnosis of bulimia may be misattributed to various symptoms by patients. The differential diagnosis of chronic regurgitation and vomiting must be considered in such patients.

Diagnosis, Differential

Long-term fluoxetine treatment of bulimia nervosa. Fluoxetine Bulimia Nervosa Research Group.

BACKGROUND: A large collaborative 8-week study has shown fluoxetine to be effective and safe in treating patients with bulimia nervosa. The present study evaluated fluoxetine over 16 weeks. METHOD: Fifteen US out-patient psychiatry clinics conducted a double-blind parallel study in men and women with DSM-III-R bulimia nervosa (483 patients entered, 398 randomised [3:1 ratio, fluoxetine 60 mg/day or placebo], 225 completed). Outcome measures included change in vomiting and binge-eating episodes per week. Eating Disorder Inventory, Clinical Global Impressions and Patient's Global Impression. RESULTS: Compared with placebo, fluoxetine treatment resulted in significantly greater reductions in vomiting (F[1,360] = 14.73, P < 0.0001) and binge-eating (F[1,360] = 14.39, P = 0.0002) episodes per week at endpoint and improvement in other outcome measures. Adverse event, vital sign and laboratory analyses indicated that fluoxetine was safe. CONCLUSION: Fluoxetine appeared to be safe and effective in patients with bulimia nervosa for up to 16 weeks.

Adolescent

[Bulimia, bulimia-anorexia and nocturnal secretion of melatonin and cortisol].

The authors compared nocturnal variations of melatonin (MT) and cortisol levels in subjects with bulimia (n = 12), 6 with a normal body weight and 6 with anorexia nervosa, as well as 6 control subjects. The hypothesis, formulated for anorexia nervosa, that a decrease of noradrenergic activity induces a decrease of pineal activity, therefore a decrease of melatonin secretion, was not confirmed by our study. Moreover, in subjects with bulimia in the absence of anorexia nervosa, no significant decrease of nocturnal melatonin secretion was reported. Significant differences were due to cortisol variations when comparing MTmax/Cmin ratios. Melatonin did not add any complementary biological cue for diagnostic assessment for subjects with eating disorder and depression. The results of this study suggest that melatonin does not appear to be a useful biological marker in bulimia.

Adult

Bulimia in obese individuals. Relationship to normal-weight bulimia.

We compared 23 obese subjects meeting DSM-III criteria for bulimia with 47 obese nonbulimic subjects and 47 normal-weight bulimic subjects using structured diagnostic interviews. The obese bulimic subjects were similar to the normal-weight bulimic subjects but different from the nonbulimic obese subjects in exhibiting a high lifetime rate of major affective disorder. However, the obese bulimic subjects were much less likely than the normal-weight bulimic subjects to use self-induced vomiting as a method of purging. These results suggest that obese individuals with bulimic symptoms may constitute a sizable but little-recognized population. Further studies will be required, however, to assess whether the syndrome of bulimia in obesity represents a valid diagnostic entity.

Adult

[Bulimia nervosa and self-reported symptoms. A questionnaire study among 32 women with bulimia nervosa].

Persons who contacted the Anorexia/Bulimia Association of Norway for information and stated that they had an eating disorder were asked to participate in this questionnaire study. The answers from the 32 women who fulfilled the DSM-III-R criteria for bulimia nervosa are presented. Usually the women's eating problems had started in the teens after a period of voluntary dieting. The mean duration of bulimia nervosa was six years. 31% had a history of anorexia nervosa. At the time of the study almost all had normal body weight, but nevertheless felt overweight. 78% practised self-induced vomiting, 22% used laxatives and 16% used diuretics to reduce weight. Depressive and anxiety symptoms were common in connection with the overeating episodes, but also more generally, which interfered with everyday life. Somatic symptoms (abdominal pain, diarrhoea, constipation, dyspepsia, headache, dry mouth and eyes, parotid gland swelling, muscular symptoms, fatigue, and oligomenorrhoea) were also common.

Adolescent

[Sweet bulimia, salty bulimia. Emotional profiles and weight status].

In this study we precise eating and non specific symptomatology of 56 patients with DSM III bulimia syndrome. Results confirm our first hypotheses, particularly the distinction between sweety and salty bulimia and the heterogeneity of patients with this syndrome. We specially studied two types of clinical dimensions: emotional components and weight status. According to emotional profile, bulimics differ from other psychopathologic populations and present some particular features. Impulsivity is a characteristic of sweety bulimics, dysphoria and affective lability characterise salty ones.

Adult

Fluoxetine in the treatment of bulimia nervosa. A multicenter, placebo-controlled, double-blind trial. Fluoxetine Bulimia Nervosa Collaborative Study Group.

Bulimia nervosa represents a serious public health problem in the United States. We performed an 8-week, double-blind trial comparing fluoxetine hydrochloride (60 and 20 mg/d) with placebo in 387 bulimic women treated on an outpatient basis. Fluoxetine at 60 mg/d proved superior to placebo in decreasing the frequency of weekly binge-eating and vomiting episodes at end point. Fluoxetine at 20 mg/d produced an effect between that of the 60-mg/d dosage and that of placebo. Depression, carbohydrate craving, and pathologic eating attitudes and behaviors also improved significantly with fluoxetine, with the higher dosage again showing a more robust effect than the lower dosage. Several adverse events (ie, insomnia, nausea, asthenia, and tremor) occurred significantly more frequently with fluoxetine (60 or 20 mg/d) than with placebo. However, there was no statistically significant difference among treatment groups in the proportion of patients discontinuing the study because of adverse events.

Adult

[Sweet bulimia, salty bulimia. 2 syndromes].

We report the psychopathological study of 20 subjects with the Bulimia syndrome (DSM III criteria) specifying affective, emotional state and psychiatric symptoms associated with the eating disorder. Evaluation was made using self-rating questionnaires, anxiety and depression rating scales and specific rating scales for various clinical dimensions (impulsivity and mood). Two groups of subjects differing from one another on their elective appetite and taste for two types of food (sweet versus salty) are distinguished. Clinical characteristics of each group are different: Carbohydrate bulimics are more impulsive, dysphoric, make much greater use of medications, drugs, and alcohol than salted food bulimics do. Patients of the second group are more anxious and emotionally blunted. Anorexia nervosa was more often present in their past. The two groups differ also in their responses to serotoninergic and noradrenergic medications used here in open trial. These results are consistent with literature data on carbohydrate metabolism, impulsivity disorders, depression and cerebral serotonin.

Bulimia

The genetic epidemiology of bulimia nervosa.

OBJECTIVE: The authors seek to clarify, from both an epidemiologic and genetic perspective, the major risk factors for bulimia nervosa and to understand the relationship between narrowly defined bulimia and bulimia-like syndromes. METHOD: Personal structured psychiatric interviews were conducted with 2,163 female twins from a population-based register. Psychiatric disorders were assessed using DSM-III-R criteria. RESULTS: Lifetime prevalence and risk for narrowly defined bulimia were 2.8% and 4.2%, respectively. Including bulimia-like syndromes increased these estimates to 5.7% and 8.0%, respectively. Risk factors for bulimia included 1) birth after 1960, 2) low paternal care, 3) a history of wide weight fluctuation, dieting, or frequent exercise, 4) a slim ideal body image, 5) low self-esteem, 6) an external locus of control, and 7) high levels of neuroticism. Significant comorbidity was found between bulimia and anorexia nervosa, alcoholism, panic disorder, generalized anxiety disorder, phobia, and major depression. Proband-wise concordance for narrowly defined bulimia was 22.9% in monozygotic and 8.7% in dizygotic twins. The best-fitting model indicated that familial aggregation was due solely to genetic factors with a heritability of liability of 55%. A multiple threshold model indicated that narrowly defined bulimia nervosa and bulimia-like syndromes represented different levels of severity on the same continuum of liability. CONCLUSIONS: The liability to fully syndromal bulimia nervosa, which affects around one in 25 women at some point in their lives, is substantially influenced by both epidemiologic and genetic risk factors. The same factors that influence the risk for narrowly defined bulimia also influence the risk for less severe bulimia-like syndromes.

Adolescent

Bulimia nervosa with and without alcoholism: a comparative study in Japan.

To characterize females with bulimia nervosa and alcoholism, this study compared the social and family backgrounds, as well as the clinical symptoms of alcoholics with bulimia and patients with bulimia only. The subjects were 22 Japanese female patients with both bulimia nervosa and alcoholism; the comparison group comprised 22 age-matched female patients with bulimia nervosa but without alcoholism. Patients with both bulimia and alcoholism had more borderline personality disorders and pathological symptoms such as stealing, suicide attempts, and liver injuries than the nonalcoholic comparison group. The subjects' average body weight was significantly less than that of the comparison group. Whereas the clinical characteristics of females with bulimia and alcoholism differ in many respects from those with bulimia only, it is suggested that alcoholic bulimia patients form a distinct clinical subgroup among patients with bulimia nervosa.

Adult

Bulimia nervosa. Four uncommon subtypes.

The histories and psychological profiles of more than 500 patients meeting DSM-III-R criteria for bulimia nervosa were reviewed. A total of 310 patients demonstrated the most characteristic pattern of bulimia, with finger-induced purging and occasional diet pill, diuretic, or laxative abuse. Seventeen patients reported binge eating with no self-induced vomiting but with severe laxative abuse (i.e., greater than or equal to 50 laxatives daily). A total of 126 patients reported bulimia with finger-induced purging and regular mild (i.e., 2-3 daily) laxative abuse. Eight patients reported bulimia without finger-induced purging, diuretic, or laxative abuse but with the regular abuse of ipecac as a means of inducing vomiting. Four clinical subtypes of bulimia were seen. These were overt bulimia, which occurred in 8.9% of the sample; obsessive-ritualistic bulimia, which occurred in 2% of the sample; sexually evocative bulimia (Fatal Attraction Syndrome), which occurred in 2.9% of the sample; and masochistic bulimia, which occurred in 4.9% of the sample. Each of these subtypes of bulimia are described and defined. The characteristic psychologic profile, clinical features, and implications for treatment and research are discussed.

Acting Out

Ovarian morphology and insulin sensitivity in women with bulimia nervosa.

OBJECTIVE: Hyperinsulinaemia has a role in the development of hyperandrogenism and polycystic ovary syndrome in women of normal weight. Polycystic ovaries are common in women with bulimia nervosa and this study aimed to determine whether women with bulimia nervosa are insulin resistant and to examine the relation between insulin sensitivity and ovarian morphology. DESIGN: A short intravenous insulin tolerance test was used as a direct measure of insulin sensitivity in a group of women with bulimia nervosa and a control group. PATIENTS: A series of 12 women with bulimia nervosa and normal weight was compared with a control group of 9 healthy women who had no clinical signs of eating disorder or hyperandrogenism and did not have polycystic ovaries. MEASUREMENTS: Bulimic behaviour was assessed using the BITE (Bulimia Investigation Test, Edinburgh) questionnaire and clinical interviews. Ovarian morphology was assessed using transabdominal ultrasonography. Insulin sensitivity and serum insulin, fasting glucose, LH, FSH, prolactin, testosterone, androstenedione and sex hormone binding globulin (SHBG) were measured and compared between the two groups. RESULTS: Ten of the 12 women with bulimia nervosa underwent ovarian ultrasound examination and they all had polycystic ovaries. There was no difference in serum LH, FSH, testosterone, androstenedione of SHBG concentrations between the women with bulimia nervosa and the non-bulimic control group. Fasting blood glucose concentrations were normal in all the women studied and did not differ between the women with bulimia nervosa and the control women. There was also no difference in fasting serum insulin or insulin sensitivity between the women with bulimia nervosa and the nonbulimic women. CONCLUSIONS: Bulimia nervosa is not associated with insulin resistance and chronic hyperinsulinaemia.

Adult

Restraint, bulimia, and psychopathology.

This study investigated the similarities between bulimia and dietary restraint by examining how these variables related to each other as well as to two standardized measures of psychopathology. Female college students completed the restraint scale (which consists of a weight fluctuation (WF) and a concern with dieting (CD) factor), a bulimia scale (BULIT), a narcissism scale (NPDS), and a maldajustment scale (Mt). Bulimia was significantly correlated with restraint and each of its factors; however, it was most strongly related to the CD factor. When WF was controlled, bulimia and CD were significantly correlated, whereas when CD was controlled, bulimia and WF were not related. However, despite their strong relation with each other, bulimia and CD did not show similar patterns of relations with narcissism and maladjustment. Bulimia was significantly related to maladjustment when narcissism was controlled. In contrast, CD was significantly related to narcissism when maladjustment was controlled. In summary, bulimia and the CD factor of restraint appear to be overlapping constructs; however, they are associated with different types of psychopathology.

Adult

Bulimia nervosa in a Canadian community sample: prevalence and comparison of subgroups.

OBJECTIVE: Previous epidemiological studies of bulimia nervosa have generated differing estimates of the incidence and prevalence of the disorder. These differences are attributable, in part, to varying definitions of the illness and a range of methodologies. The authors sought to define the prevalence of bulimia nervosa in a nonclinical community sample, examine the clinical significance of DSM-III-R threshold criteria, and examine comorbidity. METHOD: Subjects across Ontario (N = 8,116) were assessed with a structured interview, the World Health Organization Composite International Diagnostic Interview, with specific questions added for bulimia nervosa. Subjects who met DSM-III-R criteria for bulimia nervosa were compared with those who were missing only the frequency criterion (two or more binge-eating episodes per week for 3 months). RESULTS: In this sample, the lifetime prevalence of bulimia nervosa was 1.1% for female subjects and 0.1% for male subjects. The subjects with full- and partial-syndrome bulimia nervosa showed significant vulnerability for mood and anxiety disorders. Lifetime rates of alcohol dependence were high in the full-syndrome group. Rates of parental psychopathologies were high in both bulimic groups but tended to be higher in the subjects with full-syndrome bulimia nervosa. Both bulimic groups were significantly more likely to experience childhood sexual abuse than a normal female comparison group. CONCLUSIONS: This study confirms other prevalence estimates of bulimia nervosa and its comorbid diagnoses from studies that were based on sound methodologies. It also points to the arbitrary aspects of the frequency of binge eating as a diagnostic threshold criterion for the disorder.

Adolescent

Impaired cholecystokinin secretion in bulimia nervosa.

Bulimia nervosa is a prevalent disorder of unknown cause, characterized by recurrent episodes of uncontrollable eating. In the light of recent evidence that the gastrointestinal hormone cholecystokinin induces satiety and reduces food intake in laboratory animals and humans, we investigated the hypothesis that abnormalities in cholecystokinin secretion and satiety may occur in patients with bulimia and contribute to their disturbed eating patterns. Blood levels of cholecystokinin and subjective satiety were measured in 14 women with bulimia and 10 normal women before and after a mixed-liquid meal. The total integrated plasma cholecystokinin response to eating was significantly impaired in patients with bulimia (P less than 0.05) as was postprandial satiety. Fasting cholecystokinin levels were similar in both populations (approximately 0.8 pmol per liter). After eating, however, mean (+/- SEM) peak plasma cholecystokinin levels increased to 4.1 +/- 0.9 pmol per liter in normal controls but to only 2.1 +/- 0.2 pmol per liter in patients with bulimia nervosa (P less than 0.05). After an open trial of tricyclic antidepressants in a subgroup of five patients with bulimia, the postprandial cholecystokinin response to eating increased significantly, to 6.6 +/- 1.2 pmol per liter (P less than 0.05), and there was an increase in the satiety response. We conclude that patients with bulimia do not have normal satiety and have impaired secretion of cholecystokinin in response to a meal. Preliminary evidence suggests that both these abnormalities may be improved by treatment with tricyclic antidepressants.

Adolescent

A controlled study of phenomenology and family history in outpatients with bulimia nervosa.

We administered structured diagnostic interviews and family history evaluations to 69 outpatient women meeting the new DSM-III-R criteria for bulimia nervosa. This group was compared with 50 women with DSM-III bulimia, 24 women with major depression, and 28 nonpsychiatric control women, all recruited during previous studies. On both phenomenologic and family history assessments, the women with DSM-III-R bulimia nervosa closely resembled the women with DSM-III bulimia, and both groups differed significantly from controls in their prevalence of personal and familial major mood disorders. These data support a relationship between bulimia nervosa and major mood disorders, consistent with that suggested by studies of bulimia assessed by earlier diagnostic criteria.

Adult