Mina Chandra

Mild cognitive impairment in adult: A neuropsychological review.

Mild cognitive impairment (MCI) is associated with an increased risk of developing dementia. This is clinically relevant overt dementia can be prevented if treatment strategies are devised for MCI. Neuropsychological deficits in this condition are very common and are important clinically for treatment and outcomes. We aimed to review various neuropsychological deficits in MCI. Further, we have presented the current evidence for nosological status, neuroanatomical basis, and clinical outcome of this heterogeneous construct. All published papers on the topic of neuropsychological deficits in MCI on Medline and other databases were reviewed. A wide range of memory and executive function deficits are common in MCI patients. However, several studies are limited by either improper designs or inadequate sample sizes. Several neuropsychological impairments like memory function and executive functions can be diagnosed in MCI. The evidence base for the exact neuroanatomical basis of MCI is not robust yet. However, given the wide range of outcomes, controversies and debates exist regarding the nosological significance of the deficits. Hence, more studies are needed to specifically locate the impairments and further delineate the construct of MCI.

Alcohol-related dementia and neurocognitive impairment: a review study

Context Alcohol consumption has escalated rapidly in many countries over the past decade. Evidence suggests a correlation between alcohol use and cognitive decline. We have systematically reviewed the concept and controversies, epidemiology, nosology, neuropathology and neurobiology, neuropsychology and management updates of alcohol-related dementia (ARD) in this paper. Evidence Acquisition We retrieved papers for this review by searching the PubMed database for terms “alcohol and dementia”, “alcohol and cognitive impairment”, and “alcohol and wernicke-korsakoff” mentioned in the title of the published papers. A total of 131 studies showed up. Appropriate studies were shortlisted and included (n = 72). Cross-references if relevant were considered from the selected studies. Eligible articles were fully read by the authors and the results were compiled. Results The prolonged and excessive use of alcohol may lead to structural and functional brain damage, leading to ARD. The cognitive deficits are most frequently observed in domains of visuospatial functions, memory and executive tasks, with a potential of partial recovery if abstinence is maintained. However, there are doubts regarding the etiopathogenesis, nosological status, prevalence and diagnostic criteria for ARD, due to difficulty in assessment and various confounding factors. Conclusions With growing cohort of young and middle-aged people, there is a probable risk of upsurge of ARD. Presently, there are dilemmas over the diagnosis of independent ARD. Thus, there is a need to develop evidence-based guidelines for diagnosis and management of ARD through further systematic studies.

A Comparative Study of Fixed Tapering Dose Regimen versus Symptom-triggered Regimen of Lorazepam for Alcohol Detoxification

AIMS The study aimed at comparing the fixed tapering dose and the symptom-triggered regimens of lorazepam for alcohol detoxification. METHODS We carried out a prospective, randomized, double blind controlled trial involving 63 consecutive consenting male patients admitted with diagnosis of uncomplicated alcohol withdrawal. The patients were randomized into two groups based on the type of lorazepam dosage: symptom-triggered (n = 33) and fixed tapering dose regimens (n = 30). Alcohol withdrawal symptoms were rated on CIWA-Ar (Clinical Institute Withdrawal Assessment - Alcohol revised). The main outcome measures were the total amount and duration of lorazepam treatment and the incidence of adverse events or complications. RESULTS The mean lorazepam dose administered in the symptom-triggered group was significantly lower than in the fixed tapering dose group (9.5 versus 19.9 mg, P < 0.001) and for a significantly shorter duration of time (47.8 versus 146 h, P < 0.001) with more significant results for higher initial CIWA-Ar scores. There were no significant differences between both the groups in terms of the incidence of complications like seizures or delirium tremens. CONCLUSION Symptom-triggered lorazepam treatment for alcohol withdrawal resulted in administration of lower total doses of medication for a shorter duration of treatment and was as safe as the fixed tapering dose.

Vascular disease burden in Indian subjects with vascular dementia

BACKGROUND Vascular disease factors like hypertension, diabetes mellitus, dyslipidaemia, and ischaemic heart disease contribute to the development of vascular dementia. As comorbidity of vascular disease factors in vascular dementia is common, we investigated the vascular disease burden in subjects with vascular dementia. AIMS To investigate the vascular disease burden due to four vascular disease factors: hypertension, diabetes mellitus, dyslipidaemia, and ischaemic heart disease in Indian subjects with vascular dementia. METHODS In this study, 159 subjects with probable vascular dementia (as per NINDS-AIREN criteria) attending the memory clinic at a tertiary care hospital were assessed for the presence of hypertension, diabetes mellitus, dyslipidaemia, and ischaemic heart disease using standardised operational definitions and for severity of dementia on the Clinical Dementia Rating (CDR) scale. The data obtained was subjected to appropriate statistical analysis. RESULTS Dyslipidaemia (79.25 per cent) was the most common vascular disease factor followed by hypertension (73.58 per cent), ischaemic heart disease (58.49 per cent), and diabetes mellitus (40.80 per cent). Most subjects (81.1 per cent) had two or more vascular disease factors. Subjects with more severe dementia had more vascular disease factors (sig 0.001). CONCLUSION People with moderate to severe dementia have a significantly higher vascular disease burden; therefore, higher vascular disease burden may be considered as a poor prognostic marker in vascular dementia. Subjects with vascular dementia and their caregivers must manage cognitive impairment and ADL alongside managing serious comorbid vascular diseases that may worsen the dementia.

Case report of comorbid schizophrenia and obsessive compulsive disorder in a patient who was tube-fed for four years by family members because of his refusal to eat.

Summary Refusal to eat is a common presentation in many psychiatric disorders including obsessive compulsive disorder and schizophrenia. In the acute situation it may be a medical emergency; when it becomes chronic it can become an ingrained behavior that is difficult to change. The diagnosis of individuals who refuse to eat may be difficult, particularly in persons with comorbid medical problems, impaired intelligence, or lack of insight into their condition. Tube-feeding is an effective short-term intervention that can be discontinued when the patient re-starts oral intake. However, in some situations patients may become dependent on the use of tube-feeding. We present a case report of a patient with schizophrenia, obsessive compulsive disorder, borderline intelligence, and seizure disorder who was tube-fed by his family members for more than three years because he refused to eat orally.