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      Disordered Eating Behavior and Microvascular Complications in Young Women with Insulin-Dependent Diabetes Mellitus

      , , , ,
      New England Journal of Medicine
      Massachusetts Medical Society

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          Abstract

          Insulin-dependent diabetes mellitus (IDDM) and eating disorders are relatively common among young women in North America. Their coexistence could lead to poor metabolic control and an increased risk of the microvascular complications of IDDM. We studied 91 young women with IDDM at base line and four to five years later to determine the prevalence and persistence of disordered eating behavior (on the basis of self-reported eating and weight-loss practices, including the intentional omission or underdosing of insulin to control weight) and the association of such eating disorders with metabolic control, diabetic retinopathy, and urinary albumin excretion. At base line, the mean age of the young women was 15+/-2 years and the duration of diabetes was 7+/-4 years. At base line, 26 of 91 young women (29 percent) had highly or moderately disordered eating behavior, which persisted in 16 (18 percent) and improved in 10 (11 percent). Of the 65 women with normal eating behavior at base line (71 percent), 14 (15 percent) had disordered eating at follow-up. Omission or underdosing of insulin lose weight was reported by 12 of 88 young women (14 percent) at base line and 30 (34 percent) at follow-up (P=0.003). At base line, the mean (+/-SD) hemoglobin A(1c) value was higher in the group with highly disordered eating behavior (11.1+/-1.2 percent) than in the groups whose eating behavior was moderately disordered (8.9+/-1.7 percent) or nondisordered (8.7+/-1.6 percent, P<0.001). Disordered eating at base line was associated with retinopathy four years later (P=0.004), when 86 percent of the young women with highly disordered eating behavior, 43 percent of those with moderately disordered eating behavior, and 24 percent of those with nondisordered eating behavior had retinopathy. Disordered eating behavior is common and persistent in young women with IDDM and is associated with impaired metabolic control and a higher risk of diabetic retinopathy.

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          Most cited references25

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          The changing natural history of nephropathy in type I diabetes.

          Events in the natural history of diabetic nephropathy (including the onset of persistent proteinuria and end-stage renal failure) were studied in a cohort of 292 patients with juvenile-onset type I diabetes who were followed for 20 to 40 years. The risk of persistent proteinuria increased rapidly between the fifth and 15th years of diabetes and declined thereafter. This pattern suggests that susceptibility to this complication was limited to a subset of patients and was exhausted over time. Patients with the most frequent severe hyperglycemia (the highest quartile) during the first 15 years of diabetes had a risk of persistent proteinuria that was four and a half times higher than that for those with the least frequent hyperglycemia (the lowest quartile). Patients whose diabetes was diagnosed in the 1930s had twice the risk of persistent proteinuria as those in whom the condition was diagnosed in later decades. Once persistent proteinuria appeared, progression to renal failure almost always followed. Half reached this stage within 10 years, and the interval for progression did not vary according to sex, frequency of hyperglycemia, or calendar year of diagnosis of diabetes. This period, however, was significantly shorter (eight versus 14 years) for patients whose diabetes was diagnosed after puberty than for those who were younger at onset. In conclusion, the development of diabetic nephropathy consists of at least two stages. The onset of proteinuria, although related to the level of exposure to hyperglycemia, appears to be influenced by genetic and/or environmental factors. The second stage, progression to renal failure, seems to be influenced by processes related to maturation or aging.
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            Insulin omission in women with IDDM.

            To describe the extent of intentional insulin omission in an outpatient population of women with insulin-dependent diabetes mellitus (IDDM) and examine its relationship to disordered eating, attitudes toward diabetes, other psychosocial factors, long-term complications, and glycemic control. Before their routinely scheduled clinic appointments, female IDDM patients who were 13-60 years of age completed a self-report survey (final n = 341). The survey included standardized questionnaires assessing disordered eating attitudes and behaviors, psychological functioning (general distress, diabetes-specific distress, and hypoglycemic fear), attitudes toward diabetes, and self-care behaviors. All subjects were assessed for glycosylated hemoglobin within 30 days of survey completion. Long-term complications were determined through chart review. Approximately 31% of the subject sample, representing women of all ages, reported intentional insulin omission, but only 8.8% reported frequent omission. Compared with non-omitters, omitters reported more disordered eating, greater psychological distress (general and diabetes-specific), more hypoglycemic fear, poorer regimen adherence, and greater fears concerning improved diabetes management (which may lead to weight gain). Omitters evidenced poorer glycemic control, more diabetes-related hospitalizations, and higher rates of retinopathy and neuropathy. Multivariate examination revealed only two variables that independently predicted omission: diabetes-specific distress and fear of improved glycemic control ("because I will gain weight"). Of the omitters, approximately half reported omitting insulin for weight-management purposes (weight-related omitters). These subjects evidenced significantly greater psychological distress, poorer regimen adherence (including more frequent omission), poorer glycemic control, and higher rates of complications than did non-weight-related omitters as well as non-omitters. Non-weight-related omitters tended to fall between weight-related omitters and non-omitters on most measures of psychological functioning, adherence, and glycemic control. These findings suggest that insulin omission is common, that it is not limited to younger women, and that the medical consequences of omission, especially frequent omission, may be severe. Although a strong association between omission and disordered eating was observed, these data suggest that this link may be complicated by important diabetes-specific factors. Patients preoccupied with eating and weight concerns may also become emotionally overwhelmed by diabetes and/or fearful of normoglycemia (and the associated weight-related consequences), thus reinforcing the desire to omit insulin and maintain elevated blood glucose levels.
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              Risk of Proliferative Diabetic Retinopathy in Juvenile-Onset Type I Diabetes: A 40-yr Follow-up Study

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                Author and article information

                Journal
                New England Journal of Medicine
                N Engl J Med
                Massachusetts Medical Society
                0028-4793
                1533-4406
                June 26 1997
                June 26 1997
                : 336
                : 26
                : 1849-1854
                Article
                10.1056/NEJM199706263362601
                9197212
                bbae98b8-e3a5-4fff-9a82-9f6df8f34006
                © 1997
                History

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