Tıp Fakültesi / Faculty of Medicine

Permanent URI for this collectionhttps://hdl.handle.net/11727/1403

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search.filters.applied.f.rights: search.filters.rights.info:eu-repo/semantics/closedAccessSubject: search.filters.subject.attention deficit hyperactivity disorder

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    Odor and Taste Sensitivity in Children with Attention Deficit/Hyperactivity Disorder
    (2015) Akin Sari, Burcu; Taskintuna, Nilgun; 0000-0002-9730-7206; HJP-2418-2023; A-7296-2013
    Objective: Attention Deficit/Hyperactivity Disorder (ADHD) is diagnosed using Diagnostic and Statistical Manual of Mental Disorders criteria, neuropsychological testing, examinations, and parent, teacher, and self-evaluation forms. Diagnosing of ADHD depends on clinical evaluation, others are auxilary methods. No biological, electrophysiological, or neuroimaging markers currently exist to diagnose ADHD. Many studies about the biological markers for diagnosing ADHD have been conducted. Olfactory and gustatory dysfunctions have not been well studied in ADHD for this purpose. For this reason this study aimed to evaluate both the olfactory and gustatory functions of children with ADHD. Methods: A total of 34 children with ADHD and a control group containing 31 children aged 6-15 years participated in the study. We used the Sniffin' Sticks odor tests and propylthiouracil (PROP) bitterness sensitivity test to examine odor and taste sensitivity, respectively. Results: We found no statistically significant differences between the ADHD and control groups in terms of odor sensitivity, odor discrimination, and odor identification. A statistically significant difference between groups was observed in PROP scores. Children in the ADHD group were less sensitive to bitterness than the control group. Conclusion: PROP bitterness test is in an advantageous state for being a marker in advanced years due to ease of use, independence of age and very short test period. As a result, in our study, it is concluded that PROP bitterness test may be a biological marker for ADHD diagnosis, however, further studies are needed.
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    The relationship between serum ferritine levels and subtypes and the severity of symptoms on non-anemic adult ADHD
    (2020) Tunel, Munevver; 0000-0001-7140-1803; AAD-8660-2021
    Objective: To compare serum ferritin levels in non anemic adult patients who were diagnosed as attention deficit hyperactivity disorder (ADHD) with a matched healthy control group, and to evaluate the relationship between serum ferritin levels and the severity of ADHD symptoms and ADHD subtypes. Methods: A prospective study was performed on 91 adult non-anemic and cognitively normal ADHD patients (according to the DSM-5 criteria) and 51 healthy controls. They were divided into three subgroups according to the clinical interview and the results of the scale; Group 1, 31 patients with compound type; Group 2, 30 patients with attention deficit subtype; Group 3, 30 patients with impulsivity-hyperactivity subtype. Wender-Utah Rating Scale and Adult Attention Deficit Hyperactivity Assessment Scale were used. Serum ferritin levels were determined. Results: The ferritin levels of the patient groups were found to be significantly lower than the control group. Mean ferritin level was 23 ng/ml in ADHD compound type, 37 ng/ml in attention deficit subtype, 46 ng/ml in hyperactivity and impulsivity subtype, and 65 ng/ml in the control group. Ferritin level was not different between Group 1, Group 2, and Group 3 while the ferritin level of the patients in Group 4 (control group) was significantly higher than the other groups. Conclusion: Our findings revealed the low ferritin levels in ADHD patients. Low ferritin levels without anemia may play a role in the pathophysiology of the disorder. Testing for the ferritin levels may be considered during the general evaluation of this disorder.