Depression Treatment: Brain Imaging Correlates of Peripheral Nerve Stimulation.

Brain imaging correlates of peripheral nerve stimulation.

Filed under: Depression Treatment

Surg Neurol Int. 2012; 3(Suppl 4): S260-8
Bari AA, Pouratian N

Direct peripheral nerve stimulation is an effective treatment for a number of disorders including epilepsy, depression, neuropathic pain, cluster headache, and urological dysfunction. The efficacy of this stimulation is ultimately due to modulation of activity in the central nervous system. However, the exact brain regions involved in each disorder and how they are modulated by peripheral nerve stimulation is not fully understood. The use of functional neuroimaging such as SPECT, PET and fMRI in patients undergoing peripheral nerve stimulation can help us to understand these mechanisms. We review the literature for functional neuroimaging performed in patients implanted with peripheral nerve stimulators for the above-mentioned disorders. These studies suggest that brain activity in response to peripheral nerve stimulation is a complex interaction between the stimulation parameters, disease type and severity, chronicity of stimulation, as well as nonspecific effects. From this information we may be able to understand which brain structures are involved in the mechanism of peripheral nerve stimulation as well as define the neural substrates underlying these disorders.
HubMed – depression

Mirtazapine in Comorbid Major Depression and Alcohol Dependence: An Open-Label Trial.

Filed under: Depression Treatment

J Dual Diagn. 2012 Sep 1; 8(3): 200-204
Cornelius JR, Douaihy AB, Clark DB, Chung T, Wood DS, Daley D

OBJECTIVE: This was a first pilot study evaluating the acute phase (8-week) efficacy of the antidepressant medication mirtazapine for the treatment of depressive symptoms and drinking of subjects with comorbid major depressive disorder and alcohol dependence (MDD/AD). We hypothesized that mirtazapine would demonstrate within-group efficacy for the treatment of both depressive symptoms and drinking in these subjects. METHODS: We conducted a first open label study of the second generation antidepressant mirtazapine in 12 adult outpatient subjects with comorbid major depressive disorder/alcohol dependence. The pharmacological profile of that medication is unique among antidepressants, unrelated to tricyclics or selective serotonin reuptake inhibitors. RESULTS: Mirtazapine was well tolerated in this treatment population. Self-reported depressive symptoms decreased from 31.8 to 8.3 on the Beck Depression Inventory, a 74.0% decrease (p<0.001), and drinking decreased from 33.9 to 13.3 drinks per week, a 60.8% decrease (p<0.05). None of the subjects were employed full-time at baseline, but 9 of the 12 (75%) were employed full-time at end-of-study. CONCLUSIONS: These preliminary findings suggest efficacy for mirtazapine for treating both the depressive symptoms and excessive alcohol use of comorbid major depressive disorder and alcohol dependence. Double-blind studies are warranted to further clarify the efficacy of mirtazapine in this population. HubMed – depression

Frontal linear scleroderma en coup de sabre associated with epileptic seizure.

Filed under: Depression Treatment

BMJ Case Rep. 2012; 2012:
Inci R, Inci MF, Ozkan F, Oztürk P

Linear scleroderma is a rare variant of localised scleroderma, which is usually seen in childhood and during the adolescent period, and can cause severe functional morbidity as well as cosmetic and psychological problems. Although its ethiopathogenesis is yet obscure, autoimmunity, local ischaemia and injuries, vaccination, irradiation, vitamin K injections, Borrelia burgdorferi and Varicella infections have been incriminated. A 4-year-old girl who had been followed up for about 18 months with diagnosis of epilepsy had a colour discolouration and depression that first appeared 1 year ago and then progressed on her left frontal region. Her CT scan showed a thinning in the frontal bone and depression in the frontal region. These findings are described as ‘en coup de sabre’ a rare form of linear scleroderma localised at the frontal region of the scalp. In this paper, we present clinical and radiological findings of a 4-year-old girl with epileptic seizures that started 1 year before the onset of the lesion of linear scleroderma.
HubMed – depression

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