Kristian Holtkamp

Summary

Affiliation: RWTH Aachen
Country: Germany

Publications

  1. ncbi request reprint Methylphenidate-related growth impairment
    Kristian Holtkamp
    Department of Child and Adolescent Psychiatry and Psychotherapy, Technical University, Aachen, Germany
    J Child Adolesc Psychopharmacol 12:55-61. 2002
  2. ncbi request reprint Gastric dilatation in a girl with former obesity and atypical anorexia nervosa
    Kristian Holtkamp
    Department of Child and Adolescent Psychiatry and Psychotherapy, Technical University Aachen, Germany
    Int J Eat Disord 32:372-6. 2002
  3. ncbi request reprint The effect of therapeutically induced weight gain on plasma leptin levels in patients with anorexia nervosa
    K Holtkamp
    Department of Child and Adolescent Psychiatry and Psychotherapy, Aachen University, Neuenhofer Weg 21, D 52074, Aachen, Germany
    J Psychiatr Res 37:165-9. 2003
  4. doi request reprint Weight gain in children and adolescents during 45 weeks treatment with clozapine, olanzapine and risperidone
    Christian Fleischhaker
    Department of Child and Adolescent Psychiatry and Psychotherapy, University of Freiburg, Hauptstrasse 8, 79104, Freiburg, Germany
    J Neural Transm 115:1599-608. 2008
  5. doi request reprint Serum levels of S100B are decreased in chronic starvation and normalize with weight gain
    Kristian Holtkamp
    Department of Child and Adolescent Psychiatry and Psychotherapy, RWTH Aachen University, Aachen, Germany
    J Neural Transm 115:937-40. 2008
  6. ncbi request reprint Physical activity and restlessness correlate with leptin levels in patients with adolescent anorexia nervosa
    Kristian Holtkamp
    Department of Child and Adolescent Psychiatry and Psychotherapy, RWTH Aachen University, Aachen, Germany
    Biol Psychiatry 60:311-3. 2006
  7. doi request reprint Familiality and molecular genetics of attention networks in ADHD
    Kerstin Konrad
    Child Neuropsychology Section, Department of Child and Adolescent Psychiatry of RTWH Aachen, Aachen, Germany
    Am J Med Genet B Neuropsychiatr Genet 153:148-58. 2010
  8. doi request reprint Leptin-mediated neuroendocrine alterations in anorexia nervosa: somatic and behavioral implications
    Timo D Müller
    Department of Child and Adolescent Psychiatry and Psychotherapy, University of Duisburg Essen, Virchowstrasse 174, 45147 Essen, Germany
    Child Adolesc Psychiatr Clin N Am 18:117-29. 2009
  9. ncbi request reprint The contribution of anxiety and food restriction on physical activity levels in acute anorexia nervosa
    Kristian Holtkamp
    Department of Child and Adolescent Psychiatry and Psychotherapy, Technical University Aachen, Neuenhofer Weg 21, D 52074 Aachen, Germany
    Int J Eat Disord 36:163-71. 2004
  10. ncbi request reprint Improvement of nutritional status as assessed by multifrequency BIA during 15 weeks of refeeding in adolescent girls with anorexia nervosa
    Claudia Mika
    Department of Child and Adolescent Psychiatry and Psychotherapy, Technical University of Aachen, Aachen, Germany
    J Nutr 134:3026-30. 2004

Detail Information

Publications16

  1. ncbi request reprint Methylphenidate-related growth impairment
    Kristian Holtkamp
    Department of Child and Adolescent Psychiatry and Psychotherapy, Technical University, Aachen, Germany
    J Child Adolesc Psychopharmacol 12:55-61. 2002
    ..We found that the determination of growth velocity was a sensitive marker for the evaluation of growth impairment in our patient...
  2. ncbi request reprint Gastric dilatation in a girl with former obesity and atypical anorexia nervosa
    Kristian Holtkamp
    Department of Child and Adolescent Psychiatry and Psychotherapy, Technical University Aachen, Germany
    Int J Eat Disord 32:372-6. 2002
    ..This case report describes a 16 year-old girl of normal weight with acute gastric dilatation due to binge eating habits...
  3. ncbi request reprint The effect of therapeutically induced weight gain on plasma leptin levels in patients with anorexia nervosa
    K Holtkamp
    Department of Child and Adolescent Psychiatry and Psychotherapy, Aachen University, Neuenhofer Weg 21, D 52074, Aachen, Germany
    J Psychiatr Res 37:165-9. 2003
    ..001) and lg10 leptin level at admission (P=0.002). In conclusion, we confirmed weight gain induced hyperleptinemia in AN. Further research is required to assess if this phenomenon contributes to renewed weight loss...
  4. doi request reprint Weight gain in children and adolescents during 45 weeks treatment with clozapine, olanzapine and risperidone
    Christian Fleischhaker
    Department of Child and Adolescent Psychiatry and Psychotherapy, University of Freiburg, Hauptstrasse 8, 79104, Freiburg, Germany
    J Neural Transm 115:1599-608. 2008
    ..Clozapine and risperidone are associated with a less marked weight gain in children and adolescents but also much higher than that expected in adults. These differences may affect compliance with medication and health risk...
  5. doi request reprint Serum levels of S100B are decreased in chronic starvation and normalize with weight gain
    Kristian Holtkamp
    Department of Child and Adolescent Psychiatry and Psychotherapy, RWTH Aachen University, Aachen, Germany
    J Neural Transm 115:937-40. 2008
    ..We found that nutritional status was an important factor influencing serum levels of S100B...
  6. ncbi request reprint Physical activity and restlessness correlate with leptin levels in patients with adolescent anorexia nervosa
    Kristian Holtkamp
    Department of Child and Adolescent Psychiatry and Psychotherapy, RWTH Aachen University, Aachen, Germany
    Biol Psychiatry 60:311-3. 2006
    ..Leptin ameliorates anxiety-related movement in ob/ob mice. In this study, we assessed the relationship between leptin and qualities of physical activity and restlessness in acute anorexia nervosa (AN)...
  7. doi request reprint Familiality and molecular genetics of attention networks in ADHD
    Kerstin Konrad
    Child Neuropsychology Section, Department of Child and Adolescent Psychiatry of RTWH Aachen, Aachen, Germany
    Am J Med Genet B Neuropsychiatr Genet 153:148-58. 2010
    ....
  8. doi request reprint Leptin-mediated neuroendocrine alterations in anorexia nervosa: somatic and behavioral implications
    Timo D Müller
    Department of Child and Adolescent Psychiatry and Psychotherapy, University of Duisburg Essen, Virchowstrasse 174, 45147 Essen, Germany
    Child Adolesc Psychiatr Clin N Am 18:117-29. 2009
    ..During therapeutically induced weight gain, leptin levels can intermittently increase above normal concentrations. This hyperleptinemia could predispose to renewed weight loss...
  9. ncbi request reprint The contribution of anxiety and food restriction on physical activity levels in acute anorexia nervosa
    Kristian Holtkamp
    Department of Child and Adolescent Psychiatry and Psychotherapy, Technical University Aachen, Neuenhofer Weg 21, D 52074 Aachen, Germany
    Int J Eat Disord 36:163-71. 2004
    ..Interconnections among caloric restriction, psychopathology, and physical activity in humans with AN are poorly investigated...
  10. ncbi request reprint Improvement of nutritional status as assessed by multifrequency BIA during 15 weeks of refeeding in adolescent girls with anorexia nervosa
    Claudia Mika
    Department of Child and Adolescent Psychiatry and Psychotherapy, Technical University of Aachen, Aachen, Germany
    J Nutr 134:3026-30. 2004
    ..An individually determined and controlled hyperenergetic diet as part of a multidimensional, interdisciplinary treatment program for eating disorders seems to quickly improve the nutritional status of AN patients...
  11. doi request reprint Differential patterns of disordered eating in subjects with ADHD and overweight
    Christine Wilhelm
    Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Clinics, RWTH Aachen University, Aachen, Germany
    World J Biol Psychiatry 12:118-23. 2011
    ..Despite growing evidence for an association between overweight and attention-deficit/hyperactivity disorder (ADHD), still little is known about the mechanisms underlying this relationship...
  12. ncbi request reprint Elevated physical activity and low leptin levels co-occur in patients with anorexia nervosa
    Kristian Holtkamp
    Department of Child and Adolescent Psychiatry and Psychotherapy, Aachen University, D 52074 Aachen, Germany
    J Clin Endocrinol Metab 88:5169-74. 2003
    ..003). Our results suggest that, similar to semistarvation-induced hyperactivity in rats, hypoleptinemia in patients with AN may be one important factor underlying the excessive physical activity...
  13. ncbi request reprint The influence of sertraline on attention and verbal memory in children and adolescents with anxiety disorders
    Thomas Gunther
    Department of Child and Adolescent Psychiatry, Aachen University, Aachen, Germany
    J Child Adolesc Psychopharmacol 15:608-18. 2005
    ..Thus, the cognitive side effects of sertraline seemed to differ slightly between pediatric patients and those described in adult patient groups, should, therefore, be carefully assessed...
  14. ncbi request reprint Clinical drug monitoring in child and adolescent psychiatry: side effects of atypical neuroleptics
    Christian Fleischhaker
    Department of Child and Adolescent Psychiatry and Psychotherapy, Albert Ludwigs University Freiburg, Hauptstrasse 8, 79104 Freiburg, Germany
    J Child Adolesc Psychopharmacol 16:308-16. 2006
    ..The aim of this study was to improve and evaluate the practibility of a method for the assessment of drug-associated side effects, and we implemented a clinical drug monitoring for atypical neuroleptics...
  15. ncbi request reprint High prevalence of increased trisialotransferrin concentrations in patients with anorexia nervosa: implications for determination of carbohydrate-deficient transferrin
    Torsten Arndt
    Bioscientia Institut fuer Medizinische Diagnostik GmbH, D 55218 Ingelheim, Germany
    Clin Chim Acta 379:150-3. 2007
    ..We tested whether previous findings of false-positive CDT results for anorexia nervosa patients have been due to invalid CDT analysis methods or anorexia nervosa by itself...
  16. ncbi request reprint [Adolescent eating disorders]
    Beate Herpertz-Dahlmann
    Klinik fur Kinder und Jugendpsychiatrie und psychotherapie, Universitatsklinikum Aachen
    Prax Kinderpsychol Kinderpsychiatr 54:248-67. 2005
    ..g. weight rehabilitation, nutritional counselling, individual and family psychotherapy, and treatment of comorbid psychiatric disorders...