Publications by authors named "Ranjan Bhattacharya"

Background: There is lack of data on bipolar disorder (BD) type II from India.

Aim: To compare the demographic and clinical characteristics of patients with BD-I and BD-II using the data of the Bipolar Disorder Course and Outcome study from India (BiD-CoIN study).

Methodology: Using the data of the BiD-CoIN study, patients with BD-I and BD-II were compared for demographic and clinical variables.

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Background: There is a lack of information on the long-term course and outcomes of bipolar disorder (BD) patients with seasonal affective disorder (SAD).

Aim: To compare the demographic and clinical profile of BD patients with and without SAD.

Methodology: Data from 773 BD patients with an illness duration of at least 10 years were collected from 14 tertiary care centers.

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Background: There are limited number of studies evaluating insight among patients with bipolar disorder (BD).

Aim: This study aimed to examine insight and its correlates in BD using the data from the multicenter BD course and outcome study from India (BiD-CoIN). The additional aim was to evaluate the insight in patients with BD using different scales and understand the correlates of insight.

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Aim: This study aimed to evaluate the disability and its correlates in persons with Bipolar Disorder during the remission phase.

Materials And Methods: As part of the multicentric study, 773 patients with bipolar disorder, currently in clinical remission, were evaluated for disability on the Indian Disability Assessment Evaluation Scale.

Results: About one-fifth of the participants had some level of disability in the domain of self-care, one-third had some level of disability in the interpersonal domain, one-fourth had some level of disability in communication and understanding, and a maximum proportion (43.

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Background And Aim: There is limited literature on the prevalence of mixed features in patients with depression, especially from countries in Asia. Our aim was to evaluate the prevalence of "mixed features" in patients with first-episode depression.

Materials And Methods: Patients with first-episode depression were evaluated for the presence of mixed features as per the Diagnostic and Statistical Manual (DSM)-5 criteria.

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Aim: This study aimed to evaluate the prevalence of subjective cognitive complaints and their association with clinical variables, insight, and disability.

Methodology: Seven hundred and seventy-three subjects with bipolar disorder (BD), recruited across 14 centers, currently in the euthymic phase were cross-sectionally evaluated on Cognitive Complaints in Bipolar Disorder Rating Assessment (COBRA).

Results: The mean total COBRA score was 9.

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Aim: To evaluate the prevalence of substance use disorder (SUD) and its association with the course and outcome of bipolar disorder (BD).

Materials And Methods: A total of 773 patients with BD were recruited from 14 centers in different parts of India, and they were evaluated for the prevalence of comorbid substance dependence, course and outcome, subjective cognitive functioning, and disability.

Results: About one-fourth (22.

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Aim: Most of the available data on the prevalence and impact of psychotic symptoms on the course of bipolar disorder (BD) is from Western countries. We aimed to study the prevalence of at least one psychotic episode in the lifetime in patients with BD and its association with the long-term course and outcome.

Methodology: 773 patients recruited as part of the Bipolar Disorder Course and Outcome study from India (BiD-CoIN study) were divided into 2 groups, based on the presence or absence of at least one psychotic episode in the lifetime.

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The aetiology of non-malaria vector-borne diseases in malaria-endemic, forested, rural, and tribal-dominated areas of Dhalai, Tripura, in north-east India, was studied for the first time in the samples collected from malaria Rapid Diagnostic Kit negative febrile patients by door-to-door visits in the villages and primary health centres. Two hundred and sixty serum samples were tested for the Dengue NS1 antigen and the IgM antibodies of Dengue, Chikungunya, Scrub Typhus (ST), and Japanese Encephalitis (JE) during April 2019-March 2020. Fifteen Dengue, six JE, twelve Chikungunya, nine ST and three Leptospirosis, and mixed infections of three JE + Chikungunya, four Dengue + Chikungunya, three Dengue + JE + Chikungunya, one Dengue + Chikungunya + ST, and one Dengue + ST were found positive by IgM ELISA tests, and four for the Dengue NS1 antigen, all without any travel history.

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With India aiming to achieve malaria elimination by 2030, several strategies have been put in place. With that aim, mass surveillance is now being conducted in some malaria-endemic pockets. As dry season mass surveillance has been shown to have its importance in targeting the reservoir, a study was undertaken to assess the parasite load by a sensitive molecular method during one of the mass surveys conducted in the dry winter period.

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Aim: This cross-sectional study aimed to assess the predominant polarity (PP) in patients with bipolar disorder (BD) and the factors associated with PP.

Methodology: For this study, 773 participants with at least 10 years of illness, were recruited from 14 centres, were evaluated using the National Institute of Mental Health- Retrospective Life Charts to assess the course of illness and PP was determined by both Barcelona proposal and the Harvard Index.

Results: According to Barcelona proposal for PP, 20.

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Multiple myeloma (MM) is diagnosed and monitored by correlating panel of test results including serum Protein electrophoresis (SPE), Immunofixation electrophoresis (IFE), serum Free Light chain (sFLC) measurements. This audit is aimed to evaluate the prevalence of non-correlation and discrepancies amongst the three investigations (SPE/IFE/sFLC) for assessment of MM. 106 MM patients were reviewed over 16 months in a tertiary cancer care center by the availability of 3 serum test results (SPE/IFE/sFLC).

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Aim: To explore the prevalence of residual symptoms (both depressive and manic) and their correlates in subjects with bipolar disorder in clinical remission.

Methodology: This multicentric cross-sectional study included patients in clinical remission recruited across the 14 centers. The patients were evaluated on the Hamilton Depression Rating Scale (HDRS) and Young Mania Rating Scale (YMRS) for the prevalence of residual symptoms.

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Aim: This study aimed to evaluate the prevalence of unipolar mania (UM) in a group of patients of bipolar disorder (BD). Additionally, effort was made to evaluate the demographic, clinical and treatment related factors, which distinguish subjects of UM from BD.

Methodology: Seven hundred and seventy-three patients with BD, of at least 10 years duration, recruited from 14 General Hospital Units of tertiary care centers from India were evaluated for UM.

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Aim: To evaluate the prescription pattern of patients with BD, currently in clinical remission. Additional aim of the study was tocompare the prescription pattern across different study centres.

Methodology: Prescription of 773 patients, currently in clinical remission, recruited from the outpatient setting of 14 General Hospital Tertiary Care Units of tertiary care centres in the country were evaluated.

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Objectives: This multicentric study from India aimed to evaluate the long term course and outcome of bipolar disorder (BD).

Method: Seven hundred and seventy-three participants diagnosed with BD, attending 14 outpatient clinic centers across the country, were evaluated using the National Institute of Mental Health- Retrospective Life Charts to assess the long term course of BD.

Results: The mean age of onset of the first episode of illness of the study sample was 26.

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