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Featured researches published by Rituparna Bhattacharya.


Diabetes-metabolism Research and Reviews | 2013

Antidepressant use and new‐onset diabetes: a systematic review and meta‐analysis

Sandipan Bhattacharjee; Rituparna Bhattacharya; George A. Kelley; Usha Sambamoorthi

Antidepressant use has been linked to new‐onset diabetes. However, the existing literature on this relationship has yielded inconsistent findings. The primary objective of this study was to systematically synthesize the literature on the relationship between antidepressant use and new‐onset diabetes using meta‐analysis.


Journal of the American Geriatrics Society | 2015

A Real-World Study of the Effect of Timing of Insulin Initiation on Outcomes in Older Medicare Beneficiaries with Type 2 Diabetes Mellitus

Rituparna Bhattacharya; Steve Zhou; Wenhui Wei; Mayank Ajmera; Usha Sambamoorthi

To compare clinical and economic outcomes of early insulin initiation with those of delayed initiation in older adults with type 2 diabetes mellitus (T2DM).


Diabetes Research and Clinical Practice | 2014

Use of antidepressants and statins and short-term risk of new-onset diabetes among high risk adults

Rituparna Bhattacharya; Mayank Ajmera; Sandipan Bhattacharjee; Usha Sambamoorthi

AIMS We evaluated the association of combined use of antidepressants and statins and the risk of new-onset diabetes among high-risk adults. METHODS We used a retrospective, observational, longitudinal design among adults (age ≥ 22 years) who were diabetes free at baseline and had reported hypertension or hyperlipidemia or heart disease. We used data were from 2004 to 2009 Medical Expenditure Panel Survey and identified from self-reported diabetes or insulin use. We categorized antidepressants and statins use into four groups: antidepressants only, statins only, combined use of antidepressants and statins (antidepressants-statins), and neither antidepressant nor statins. We conducted chi-square and multivariable logistic regressions to examine the association between use of antidepressants-statins and new-onset diabetes after controlling for demographic and economic characteristics, health-status, access to care, presence of depression, and lifestyle risk factors. RESULTS In our study sample, 9.3% used antidepressants only, 10.7% used statins only and 2.4% adults reported use of antidepressants-statins. Nearly 2% of the study sample reported new-onset diabetes. In unadjusted analyses, significantly higher proportion of adults using antidepressants-statins (3.2%) reported new-onset diabetes compared to those using neither antidepressants nor statins (1.1%). However, after controlling for all other variables in multivariable regression we did not observe a statistically significant association between use of antidepressants-statins and new-onset diabetes. CONCLUSIONS Our study results do not suggest that use of antidepressants-statins may increase the risk of new-onset diabetes. Future research needs to examine this relationship with specific combinations of these drug classes and using longer follow up periods.


General Hospital Psychiatry | 2014

Depression and ambulatory care sensitive hospitalizations among Medicare beneficiaries with chronic physical conditions

Rituparna Bhattacharya; Chan Shen; Usha Sambamoorthi

OBJECTIVE We examined the association between depression and hospitalizations for Ambulatory Care Sensitive Conditions (H-ACSC) among Medicare beneficiaries with chronic physical conditions. METHODS We used a retrospective longitudinal design using multiple years (2002-2009) of linked fee-for-service Medicare claims and survey data from Medicare Current Beneficiary Survey to create six longitudinal panels. We followed individuals in each panel for a period of 3-years; first year served as the baseline and subsequent 2-years served as the follow-up. We measured depression, chronic physical conditions and other characteristics at baseline and examined H-ACSC at follow-up. We identified chronic physical conditions from survey data and H-ACSC and depression from fee-for-service Medicare claims. We analyzed unadjusted and adjusted relationships between depression and the risk of H-ACSC with chi-square tests and logistic regressions. RESULTS Among all Medicare beneficiaries, 9.3% had diagnosed depression. Medicare beneficiaries with depression had higher rates of any H-ACSC as compared to those without depression (13.6% vs. 7.7%). Multivariable regression indicated that, compared to those without depression, Medicare beneficiaries with depression were more likely to experience any H-ACSC. CONCLUSIONS Depression was associated with greater risk of H-ACSC, suggesting that health care quality measures may need to include depression as a risk-adjustment variable.


Evidence-based Complementary and Alternative Medicine | 2015

Type of Multimorbidity and Complementary and Alternative Medicine Use among Adults.

Monira Alwhaibi; Rituparna Bhattacharya; Usha Sambamoorthi

Objective. To examine the association between type of multimorbidity and CAM use among adults with multimorbidity. Methods. The current study used a cross-sectional design with retrospective data from 2012 National Health Interview Survey. Multimorbidity was classified into two groups: (1) adults with coexisting physical and mental illnesses and (2) adults with two or more chronic physical illnesses only. CAM use was measured using a set of 18 variables. Logistic regression and multinomial logistic regressions were used to assess the association between the type of multimorbidity and ever used CAM, CAM use in the past 12 months, and type of CAM. Results. Overall, 31.2% of adults with coexisting physical and mental illnesses and 20.1% of adults with only physical illnesses used CAM in the past 12 months. Adults with coexisting physical and mental illnesses were more likely to ever use CAM (AOR = 1.68, 95% CI = 1.49, 1.90), use CAM in the past 12 months (AOR = 1.32, 95% CI = 1.15, 1.52), and use mind-body therapies in the past 12 months (AOR = 1.36, 95% CI = 1.16, 1.59) compared to adults with only physical illnesses. Conclusion. Multimorbidity of chronic physical and mental illnesses was associated with higher CAM use.


Health Care for Women International | 2015

Variations of Depression Treatment Among Women With Hypertension

Elvonna Atkins; Usha Sambamoorthi; Rituparna Bhattacharya

The objective was to examine depression treatment among non-pregnant women, aged 22 and older, with hypertension, utilizing cross-sectional data from the 2006 and 2007 Medical Expenditure Panel Survey. Depression treatment patterns by demographic, socioeconomic, health care access, and health characteristics were analyzed utilizing chi-square tests and logistic and multinomial logistic regressions. Overall, 23.9% had no depression treatment, 56.8% had antidepressant use only, and 19.3% had psychotherapy with or without antidepressants. African Americans (adjusted odds ratio [AOR] = 0.47), Latinas (AOR = 0.46), and uninsured women (AOR = 0.39) were significantly less likely to report any treatment for depression compared with Whites and those with private insurance.


Nederlands Tijdschrift voor Diabetologie | 2013

6.4 Now or Later? Real-World Study of Impact of Timing of Insulin Initiation on Outcomes Among Elderly Medicare Patients With Type 2 Diabetes Mellitus (1213-P)

Usha Sambamoorthi; Wenhui Wei; Steve Zhou; Rituparna Bhattacharya; John Ling; Mayank Ajmera

SamenvattingInitiation of insulin aft er failing oral antidiabetic drugs (OADs) has been suggested to be beneficial for patients with T2DM, but real-world data on the impact of timing of insulin initiation on clinical and economic outcomes among the elderly (≥ 65 y) is limited.


BMC Psychiatry | 2014

Excess risk of chronic physical conditions associated with depression and anxiety

Rituparna Bhattacharya; Chan Shen; Usha Sambamoorthi


Journal of Managed Care Pharmacy | 2015

A Real-World Observational Study of Time to Treatment Intensification Among Elderly Patients with Inadequately Controlled Type 2 Diabetes Mellitus

Mayank Ajmera; A. Raval; Steve Zhou; Wenhui Wei; Rituparna Bhattacharya; Chunshen Pan; Usha Sambamoorthi


BMC Psychiatry | 2016

Depression treatment decreases healthcare expenditures among working age patients with comorbid conditions and type 2 diabetes mellitus along with newly-diagnosed depression

Rituparna Bhattacharya; Chan Shen; Amy B. Wachholtz; Nilanjana Dwibedi; Usha Sambamoorthi

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Usha Sambamoorthi

Morehouse School of Medicine

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Mayank Ajmera

West Virginia University

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Chan Shen

University of Texas MD Anderson Cancer Center

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Steve Zhou

West Virginia University

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A. Raval

West Virginia University

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A. Wachholtz

University of Massachusetts Amherst

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