Research Article Open Access
The Relationships between Gait Impairments and Activity Limitations in People with Depressive and Related Disorders Include: Depressive Pseudodementia, Hypochondriasis, Factitious Disorder, Cognitive Dysfunction and Normal Pressure Hydrocephalus
Mohammad Reza Dawoudi*
1Turku University of Applied Sciences, Finland.
*Corresponding author: Mohammad Reza Dawoudi, Turku University of Applied Sciences, Finland, Email: firstname.lastname@example.org
Received: February 23, 2018; Accepted: March 08, 2018; Published: March 15, 2018
Citation: Dawoudi MR (2018) The Relationships between Gait Impairments and Activity Limitations in People with Depressive and Related Disorders Include: Depressive Pseudodementia, Hypochondriasis, Factitious Disorder, Cognitive Dysfunction and Normal Pressure Hydrocephalus Int J Gen Sci 5(1): 1-4. DOI: 10.15226/2377-4274/5/1/00121
According to Katzenschlager and Pirker walking speed is a sensitive indicator of general health status and it associated with life expectancy in older adults . Accurate pathology diagnosis is the most important among patients exhibiting neurological disorders of gait. Several studies have investigated the relationships between gait dysfunction and participation restrictions in people with various neurological disorders. Studies show that depression has been associated with increased risk of gait impairments. This study reviewed existing evidence on gait dysfunction in neurological disease, including Depressive, Depressive Pseudodementia, Hypochondriasis, Factitious disorder, Cognitive dysfunction and Normal Pressure Hydrocephalus. The aim of this research study is to review the various neurological factors particularly relevant to depression diseases, affecting gait impairments.
Keywords: Gait Impairments; Depressive Pseudodementia; Hypochondriasis; Factitious Disorder; Cognitive Dysfunction and Normal Pressure Hydrocephalus.
Keywords: Gait Impairments; Depressive Pseudodementia; Hypochondriasis; Factitious Disorder; Cognitive Dysfunction and Normal Pressure Hydrocephalus.
According to Pirker and Katzenschlager ‘the causes of gait disorders include neurological conditions (e.g. sensory or motor impairments), orthopedic problems (e.g. osteoarthritis and skeletal deformities) and medical conditions (e.g. heart failure, respiratory insufficiency, peripheral arterial occlusive disease and obesity)’(Pirker, et al.) . Meanwhile, ‘neurological gait disorders are a common cause of falls and mortality, particularly amongst the elderly’ (Kaski and Adolfo, et al.) . This study reviews the neurological aspects of gait impairments (Tan, et al. & Moon, et al.), with emphasis on Depressive (Brandler, et al. & Laboni and Flint, et al.), Depressive Pseudodementia (Brenner, et al.), Hypochondriasis, (Biller, et al.) Factitious disorder (Biller, et al.), Cognitive dysfunction and Normal Pressure Hydrocephalus [3,4,5,6,7,8].
In 2013 Brandler and et al ‘conducted a crosssectional study of the relationship between depressive symptoms and gait function, in an ambulatory community residing sample of 610 older adults (age 70 and older) who were free of dementia and MDD’(Major depressive disorder) (Brandler, et al.) . They made conclusion that ‘increasing depressive symptoms in community residing older adults are associated with quantitative gait dysfunction even in the absence of major depression or dementia’ (Brandler, et al.) . Simultaneously, Lord and et al have found that ‘very mild depressive symptoms are associated with gait disturbance in early Parkinson’s disease’ (Lord, et al.) . In other study (Hausdorff, et al.) have made conclusion that ‘patients with MDD and patients with bipolar disorder display gait unsteadiness’ (Hausdorff, et al.) .
‘Recent studies have demonstrated impaired balance performance in patients with major depressive disorder (MDD)’(Deschamp, et al.) . Multiple ‘genetic factors play important roles in the development of MDD’ (Major depressive disorder) according to Lohoff (Lohoff, et al.). 5HTT, 5HTTLPR (Brown & Harris, et al.) and SLC6A4 genes associate with MDD across numerous studies (e.g. Brown, et al., Luddington, et al., Kuzelova, et al.) [12,13,14].
According to Kennedy: Depressive Pseudodementia is a term commonly used to describe a condition whereby a patient experiences a cognitive deficit secondary to a primary mood disorder. (Kennedy, et al.) . ‘Cognitive deficits in Pseudodementia are characterized by poor effort and difficulties with attention and working memory’ (Flemming and Jr, et al.) . In other word ‘Pseudodementia is a situation where a person who has depression also has cognitive impairment that looks like dementia’ ((Steckl C, et al), Reversible Cognitive Disorder Pseudodementia) . However, there are many studies showing that gait impairments coexist with depressive pseudodementia.
‘Long repeat sequences in the C9ORF72 gene have cropped up in cases of multiple system atrophy (MSA) and depressive pseudodementia’ (ALZFORUM, et al.), C9ORF72 Repeats Expand into New DisordersCause, or Coincidence?) according to Bieniek, et al. .
According to Wilhelmsen Hypochondriasis (Illness anxiety disorder and Somatic symptom disorder) ‘describes a persistent preoccupation with the possibility of having one or more serious and progressive physical disorders’ (Wilhelmsen, et al.), and ‘defined as a chronic condition distinct from anxiety and depressive disorders’ (Simon, et al) [19,20]. Hypochondriasis is distinguishable clinical condition (Hiller, et al.) however, according to (Weck, et al.) [21,22]. ‘previous experiences with illness and traumatic childhood experiences did not prove to be specific risk factors for the development of hypochondriasis’ Hypochondriasis can be accompanied by Major Depressive Disorder (MDD) (Kapfhammer, et al.). According to Diagnostic and Statistical Manual of Mental Disorders (DSM5) ‘hypochondriasis and several related conditions have been replaced by two new, empirically derived concepts: somatic symptom disorder and illness anxiety disorder’ (Mayo Clinic.) . There is a strong correlation between the number of somatic symptoms and the likelihood of a depression or anxiety diagnosis (Croicu, et al.).
In 2010 Holliday and et al found that: HTR2A, SERPINA6 and TPH2 are associated with somatic symptoms score .
According to (Uzuner, et al.) ‘factitious disorder is characterized by deliberate production or imitation of physical or psychological symptoms in order to adopt the sick role’ . ‘The etiology of factitious disorder is unclear’ (Osterman, et al.), however, ‘in the sense that the physical symptoms are prominently contributed by psychological factors, all somatoform disorders may be considered to be a subset of psychological factors affecting a physical condition’(Leight, et al.) [26,27]. According to Guzman and Correll ‘patients with factitious disorder and comorbid depression have shown improvement with antidepressant therapy in addition to psychotherapy’ .
Some studies report genetic estimates in factitious disorder According to Jaghab and et al (2006) ‘magnetic resonance imaging (MRI) has detected abnormalities in the brain structure of some patients with chronic FD, suggesting that there may be biological or genetic factors in the disorder’ . In recent study Kreisl, et al. ‘describe the novel constellation of a factitious disorder presenting as a supposedly genetically confirmed hereditary disease manifesting with abnormal movements’ .
Cognitive dysfunction refer to deficits in attention and motor perception, learning disability, shortterm and working memory and processing speed, problem solving functions, visual or auditory processing deficits (Lam, et al.) . According to Stout and Paulsen ‘changes to the motor system resulting from central nervous system damage or disease are virtually always accompanied by cognitive dysfunction’ . There are a variety of different types of cognitive dysfunction e.g. ALPS or Adultonset leukoencephalopathy with axonal spheroids and pigmented glia, cognitive decline, mild cognitive impairment (Bahureksa, et al.), and Alzheimer’s disease dementia (Dorfman, et al.) . Cognitive dysfunction is a common feature of Adultonset leukoencephalopathy with axonal spheroids and pigmented glia (ALSP) (Adams, et al.) . This disease is recognized as both a cognitive and a movement disorder (lkeuchi and et al 2017). Other feature of cognitive dysfunction is Mild Cognitive Impairment (MCI). In 2015 Callisaya and et al conducted a study to determine the relationships between cognitive decline and gait slowing. They made conclusion that ‘decline in nonamnestic function (specifically executive function) was associated with decline in gait speed irrespective of the presence of baseline cognitive impairment’ (Callisaya and et al 2015) . In other study in 2017 Bahureksa and et al made a conclusion that existing studies ‘provide evidence that Mild Cognitive Impairment (MCI) affects specific gait parameters’ (Bahureksa, et al.) . There are evidences of a direct cause relationship between the mild cognitive impairment and the development of Alzheimer’s disease (Roed, et al.).
According to (Foulds, et al.) ‘AdultOnset Leukoencephalopathy with Axonal Spheroids and Pigmented Glia (is) caused by a novel R782G mutation in CSF1R’ .
Normal pressure hydrocephalus (NPH)
According to Shprecher and et al (2008) ‘normal pressure hydrocephalus (NPH) is a syndrome of gait dysfunction and enlarged cerebral ventricles in the absence of another cause’ . The characteristic psychiatric symptoms of normal pressure hydrocephalus are dementia and depression (Chopra, et al.) . In 2016 (Israelsson, et al.) claimed that ‘in many dementias, depression is overrepresented, but the prevalence of depression in shunted patients with idiopathic normal pressure hydrocephalus is unknown’ .
There are increasing evidence that iNPH may have a genetic component (Korhonen, et al.). In 2016 (Sato, et al.) demonstrated that a ‘copy number loss in intron 2 of the SFMBT1 gene may be a genetic risk for shuntresponsive definite iNPH’ [41-45].
Methods and Materials
The narrative reviews of the literatures were conducted with combination of relevant keywords. We searched the IEEE, ScienceDirect, Springer, OMICS, PubMed, PubMed Health and FINNA databases.
Results and Conclusion
There are convincing evidences about the relationship between gait impairments and Depressive, Depressive Pseudodementia, Hypochondriasis, Factitious disorder, Cognitive dysfunction and Normal Pressure Hydrocephalus are improving.
This study was reviewed literatures including biological and psychological aspect. However, Kinesiography is important functional gait imaging modalities for study the limb mobility and neural activities. Kinesiography is the interpretation of limb moment into mathematical form. Combining Kinesiographical information with biological and psychological aspect of patient holds promise to produce and improve clinical facility. In this manner we can apply the image matching methods for the evaluation of gait impairments in patients with Depressive and related disorders.
The research for this study is financially supported by the Finno Bio Stock Company in Finland.
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