12 results on '"Mamta, K."'
Search Results
2. Self-efficacy as a mediator of patient navigation interventions to engage persons living with HIV and substance use
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Traynor, Sharleen M., Metsch, Lisa R., Gooden, Lauren, Stitzer, Maxine, Matheson, Tim, Tross, Susan, Carrico, Adam W., Jain, Mamta K., del Rio, Carlos, and Feaster, Daniel J.
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- 2021
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3. The interprofessional VA quality scholars program: Promoting predoctoral nursing scientists and their career trajectories.
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Horvat Davey, Christine, Dolansky, Mary A., Singh, Mamta K., and Aron, David C.
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• Nursing science is at a critical moment in its discipline, as there are many practice problems that require solutions driven by research and leadership. • The VAQS program is a novel model for professional development for doctorally prepared nurses that emphasizes quality improvement, research, scholarship, interprofessional collaboration, and leadership. • Predoctoral nurses in the interprofessional VAQS program serve as a pipeline of nurse scientists, many of whom continue on as postdoctoral fellows. • Predoctoral VAQS fellows contribute to nursing science and quality improvement leadership through QI projects, research, and publications. • Policy implications include the need to evaluate QI competence, interprofessional alignment on improvement science, and DNP and PhD nurses working collaboratively to accelerate improvement in quality and safety in health care in order to achieve the Triple Aim. The VA Quality Scholars (VAQS) program is an interprofessional fellowship that provides a unique opportunity for predoctoral nurse scientists to embed their work in quality improvement learning "laboratories" to inform their scholarship, science, and research. To describe the VAQS program in relation to promoting nursing science and predoctoral nurse scientist (PhD) career trajectories, and to propose policy implications. Data were collected on all predoctoral (PhD, DNP) nurses who entered and completed the VAQS program nationally. A total of 17 predoctoral nurses (11 PhD and 6 DNP) have completed the VAQS program. Ten predoctoral PhD nurses (91%) completed their degree while in the program. Nine predoctoral PhD nurses (82%) entered a postdoctoral fellowship, and many obtained positions as faculty at research-intensive universities postfellowship. The knowledge, skills, and experiences gained by predoctoral nurse scientists from the VAQS's program contribute to their nursing research and professional career growth. [ABSTRACT FROM AUTHOR]
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- 2021
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4. Sustained Improvements in Markers of Liver Disease Severity After Hepatitis C Treatment.
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Wong, Robert J., Jain, Mamta K., Therapondos, George, Shiffman, Mitchell L., Kshirsagar, Onkar, Clark, Christopher, and Thamer, Mae
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HEPATITIS C , *LIVER diseases , *FATTY liver , *HEPATITIS C virus , *BODY mass index - Abstract
Although serological markers of disease severity improve after hepatitis C virus (HCV) treatment, it is unclear if all patients experience sustained improvement. We aim to evaluate longitudinal changes in aspartate (AST), alanine (ALT) aminotransferase, platelet count (PLT), and fibrosis-4 (FIB-4) after HCV treatment. All adult chronic HCV patients who received antiviral therapy from January 2011 to February 2017 at four large urban hospital systems were evaluated to assess changes in AST, ALT, PLT, and FIB-4 from pre-treatment to post-treatment annually up to 4 years after HCV therapy. Comparisons used Student's t -test and analysis of variance, and were stratified by sex, race, ethnicity, age, body mass index (BMI), and diabetes mellitus. Among 2691 patients (62.2% men, 76.9% aged 45–65 years, 56.5% white), all markers of disease severity demonstrated sustained improvements from pre-treatment to 4 years post-treatment (AST 53 U/L to 27.5 U/L, ALT 53 U/L to 29 U/L, PLT 168 × 103 to 176 × 103, FIB-4 2.51 to 1.68). However, Hispanics and patients with BMI >30 kg/m2 experienced rebound increases in AST, ALT, and FIB-4 at 4 years post-treatment after experiencing initial improvements in these serological markers in the first-year post-treatment. Sustained improvements in PLT were observed in all groups, including Hispanics and patients with BMI >30 kg/m2. HCV treatment in a large community-based cohort demonstrated sustained improvements in AST, ALT, PLT, and FIB-4. Rebound increases in AST, ALT, and FIB-4 observed in Hispanics and those with BMI >30 kg/m2 may reflect persisting nonalcoholic fatty liver disease. [ABSTRACT FROM AUTHOR]
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- 2020
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5. Significant Increase in Risk of Fibrosis or Cirrhosis at Time of HCV Diagnosis for Hispanics With Diabetes and Obesity Compared With Other Ethnic Groups.
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Turner, Barbara J., Wang, Chen-Pin, Melhado, Trisha V., Bobadilla, Raudel, Jain, Mamta K., and Singal, Amit G.
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Advanced liver disease, which includes fibrosis and cirrhosis, has been reported to be more prevalent in Hispanics patients at the time of diagnosis of chronic hepatitis C virus (HCV) infection than non-Hispanic black or non-Hispanic white patients. We performed a propensity score-matched analysis to determine whether metabolic risk factors contribute to this disparity. We collected data from persons with 748 HCV infection (22% Hispanic, 53% non-Hispanic black, and 26% non-Hispanic white; 23% with advanced liver disease), born from 1945 through 1965, diagnosed at 6 health care systems in Texas. Advanced liver disease was defined as a FIB-4 index score above 3.25. We examined the association between advanced liver disease and race or ethnicity, metabolic risk (based on diabetes mellitus and body mass index [BMI]) and heavy alcohol use in propensity score-matched analyses. In propensity-score matched models, among those who were obese (BMI ≥30) with a diagnosis of diabetes, the adjusted odds ratio of advanced liver disease for Hispanics vs non-Hispanic black was 7.89 (95% CI, 3.66–17.01) and adjusted odds ratio = 12.49 (95% CI, 3.24–48.18) for Hispanic vs non-Hispanic white patients (both P <.001). HCV-infected Hispanics with obesity and diabetes have a far higher risk for advanced liver disease than other racial or ethnic groups. These findings highlight the need for HCV treatment and management of probable concurrent fatty liver disease. Even after we accounted for metabolic risk factors, Hispanics were still at higher risk for advanced liver disease, indicating the potential involvement of other factors such as genetic variants. [ABSTRACT FROM AUTHOR]
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- 2019
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6. Patient Navigation Increases Linkage to Care and Receipt of Direct-acting Antiviral Therapy in Patients with Hepatitis C.
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Strebe, Joslyn, Rich, Nicole E., Wang, Li, Singal, Amit G., McBryde, Jennifer, Silva, Mauro, Jackson, Victoria, Fullington, Hannah, Villarreal, Deyaun L., Reyes, Stephanie, Flores, Bertha, and Jain, Mamta K.
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Patient navigation interventions can improve health outcomes in underserved, low-income, and racial and ethnic minority groups, who often experience health disparities. We examined the effectiveness of patient navigation to improve linkage to hepatitis C virus (HCV) treatment receipt in a socioeconomically disadvantaged, racially diverse patient population. We performed a pre-post analysis evaluating the effectiveness of a patient navigation program among baby boomers who tested positive for HCV in a safety-net health system. The usual care group (June 2013 to May 2015) and patient navigation group (January 2016 to December 2017) were balanced using a stabilized inverse probability of treatment weighting approach. We used logistic regression analyses to evaluate associations between patient navigation and linkage to care for HCV treatment evaluation, treatment initiation, and sustained virologic response. Among 1353 patients (62% black, 61% uninsured, 16% homeless), 769 were in the usual care group, and 584 were in the patient navigation group. The patient navigation group had significantly higher odds of linkage to care (odds ratio [OR], 3.7; 95% confidence interval [CI], 2.9–4.8) and treatment initiation (OR, 3.2; 95% CI, 2.3–4.2) within 6 months. The patient navigation group continued to have increased linkage to care (OR, 3.4; 95% CI, 2.7–4.3) and treatment initiation (OR 2.3; 95% CI, 1.7–3.0) at 12 months. However, there was no significant difference in sustained virologic response between the groups (86.9% vs 86.1%; P =.78). Patient navigation was associated with significantly increased linkage to care and treatment initiation among patients with HCV infection. Patient navigation programs can be used to promote HCV elimination among traditionally difficult-to-reach patient populations. [Display omitted] [ABSTRACT FROM AUTHOR]
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- 2023
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7. A Prospective Cohort Study of Novel Markers of Hepatitis B Virus Replication in Human Immunodeficiency Virus Coinfection.
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Chung, Raymond T., King, Wendy C., Ghany, Marc G., Lisker-Melman, Mauricio, Hinerman, Amanda S., Khalili, Mandana, Sulkowski, Mark, Jain, Mamta K., Choi, Eun-Young K., Nalesnik, Michael A., Bhan, Atul K., Cloherty, Gavin, Wong, David K., and Sterling, Richard K.
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The contribution of the novel biomarkers, hepatitis B virus (HBV) RNA and HBV core-related antigen (HBcrAg), to characterization of HBV-human immunodeficiency virus (HIV) coinfection is unclear. We evaluated the longitudinal dynamics of HBV RNA and HBcrAg and their association with classical HBV serum biomarkers and liver histology and viral staining. HBV-HIV co-infected adults from 8 North American centers entered a National Institutes of Health-funded prospective cohort study. Demographic, clinical, serological, and virological data were collected at entry and every 24 to 48 weeks for up to 192 weeks. Participants with HBV RNA and HBcrAg measured ≥2 times (N = 95) were evaluated; 56 had paired liver biopsies obtained at study entry and end of follow-up. Participants had a median age of 50 years; 97% were on combination anti-viral therapy. In hepatitis B e antigen (HBeAg)+ participants, there were significant declines in HBV RNA and HBcrAg over 192 weeks that tracked with declines in HBeAg, hepatitis B surface antigen, HBV DNA, and hepatitis B core antigen (HBcAg) hepatocyte staining grade (all P <.05). In HBeAg− participants, there were not significant declines in HBV RNA (P =.49) and HBcrAg (P =.63), despite modest reductions in hepatitis B surface antigen (P <.01) and HBV DNA (P =.03). HBV serum biomarkers were not significantly related to change in hepatic activity index, Ishak fibrosis score, or hepatocyte HBcAg loss (all P >.05). In HBV-HIV coinfected adults on suppressive dually active antiviral therapy, the use of novel HBV markers reveals continued improvement in suppression of HBV transcription and translation over time. The lack of further improvement in HBV serum biomarkers among HBeAg− patients suggests limits to the benefit of combination anti-viral therapy and provide rationale for additional agents with distinct mechanisms of action. [ABSTRACT FROM AUTHOR]
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- 2023
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8. Presentation, Treatment, and Clinical Outcomes of Patients With Hepatocellular Carcinoma, With and Without Human Immunodeficiency Virus Infection.
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Yopp, Adam C., Subramanian, Madhu, Jain, Mamta K., Mansour, John C., Schwarz, Roderich E., Balch, Glen C., and Singal, Amit G.
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HEALTH outcome assessment ,LIVER cancer ,HIV infections ,HEPATITIS B virus ,HEPATITIS C virus ,CANCER patients ,MORTALITY - Abstract
Background & Aims: Liver-related complications such as hepatocellular carcinoma (HCC) are a major cause of morbidity and mortality in individuals infected with human immunodeficiency virus (HIV), particularly among those also infected with hepatitis B or hepatitis C viruses. There is a lack of consensus regarding the clinical presentation, treatment options, and outcomes in HIV-infected patients with HCC. We compared the clinical presentation, treatment, and survival of patients with HCC, with and without HIV infection. Methods: We conducted a retrospective cohort study of cirrhotic patients diagnosed with HCC at a large safety-net hospital between January 2005 and December 2010. Patients without known HIV serologic status were excluded. Demographic features, tumor characteristics, treatment regimens, and survival were compared between patients (n = 26) with and without HIV infection (n = 164). Survival curves were generated by using Kaplan–Meier plots and compared by using the log-rank test. Results: A higher percentage of HIV-infected patients presented with compensated liver disease (Child–Turcotte–Pugh stage A) than those without HIV infection (62% vs 32%, respectively; P = .01), as well as those with early-stage tumors (Barcelona Clinic Liver Cancer stage A, 39% vs 17%, respectively; P = .04 and Okuda stage I, 50% vs 21%, respectively; P < .01). HIV-infected patients were more likely to be cured of HCC than uninfected patients (27% vs 4%, respectively; P = .01), but median overall survival times were similar between groups (9.6 vs 5.2 months, respectively; P = .85). The 1-year rates of survival for HIV-infected and uninfected patients were 40% and 38%, respectively. Conclusions: HIV-infected patients present with earlier-stage HCC and more preserved liver function than uninfected patients, resulting in more curative treatment options. Despite this difference, overall survival was similar between patients with HCC with and without HIV infection. [Copyright &y& Elsevier]
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- 2012
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9. 463 The Impact of HIV Serologic Status on Clinical Presentation, Treatment and Survival in Patients With Hepatocellular Carcinoma.
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Yopp, Adam, Subramanian, Madhu, Jain, Mamta K., Mansour, John C., Balch, Glen C., and Singal, Amit G.
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- 2012
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10. Serum miR-122 and Human Genomic DNA in Patients With Drug-Induced Acute Liver Failure or With Chronic Hepatitis C.
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Devine, R Kenton, Yuan, Hejun, Jain, Mamta K., Sanders, Corron M., Attar, Nahid, and Lee, William M.
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- 2011
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11. Hepatitis C treatment and SVR: the gap between clinical trials and real-world treatment aspirations
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North, Carol S., Hong, Barry A., Adewuyi, Sunday A., Pollio, David E., Jain, Mamta K., Devereaux, Robert, Quartey, Nana A., Ashitey, Sarah, Lee, William M., and Lisker-Melman, Mauricio
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CLINICAL trials , *HEALTH services accessibility , *HEPATITIS C , *DESCRIPTIVE statistics - Abstract
Abstract: Objective: Despite the remarkable improvements in pharmacologic treatment efficacy for hepatitis C (HCV) reported in published clinical trials, published research suggests that, in “real-world” patient care, these medical outcomes may be difficult to achieve. This review was undertaken to summarize recent experience in the treatment of HCV in clinical settings, examining the course of patients through the stages of treatment and barriers to treatment encountered. Method: A comprehensive and representative review of the relevant literature was undertaken to examine HCV treatment experience outside of clinical trials in the last decade. This review found 25 unique studies with data on course of treatment and/or barriers to treatment in samples of patients with HCV not preselected for inclusion in clinical trials. Results: Results were examined separately for samples selected for HCV infection versus HCV/HIV coinfection. Only 19% of HCV-selected and 16% of HCV/HIV-coinfection selected patients were considered treatment eligible and advanced to treatment; even fewer completed treatment (13% and 11%, respectively) or achieved sustained virologic response (3% and 6%, respectively). Psychiatric and medical ineligibilities were the primary treatment barriers. Conclusion: Only by systematically observing and addressing potentially solvable medical and psychosocial barriers to treatment will more patients be enrolled in and complete HCV therapy. [Copyright &y& Elsevier]
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- 2013
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12. Presentation and outcome of hepatocellular carcinoma in HIV-infected patients: A U.S.–Canadian multicenter study
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Bräu, Norbert, Fox, Rena K., Xiao, Peiying, Marks, Kristen, Naqvi, Zeenat, Taylor, Lynn E., Trikha, Anita, Sherman, Morris, Sulkowski, Mark S., Dieterich, Douglas T., Rigsby, Michael O., Wright, Teresa L., Hernandez, Maria D., Jain, Mamta K., Khatri, Gajendra K., Sterling, Richard K., Bonacini, Maurizio, Martyn, Catherine A., Aytaman, Ayse, and Llovet, Josep M.
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HIV infections , *HIV-positive persons , *LIVER cancer , *HEALTH outcome assessment - Abstract
Background/Aims: HIV-infected patients now live longer and often have complications of liver disease, especially with hepatitis B or C virus coinfection. Limited data are available on those with hepatocellular carcinoma (HCC). Methods: A retrospective analysis from 1992 to 2005 in 6 centers identified 63 HIV-infected HCC patients. Controls were 226 consecutive HIV-negative HCC patients from four sites. Results: HIV-positive patients were younger than controls (52 vs. 64years, p <0.001), more commonly had chronic hepatitis B or C (97% vs. 73%, p <0.001), were more frequently symptomatic (51% vs. 38%, p =0.048), had a higher median alfa-fetoprotein level (227 vs. 51 ng/ml, p =0.005), but a similar mean Child–Turcotte–Pugh score (7.0 vs. 7.5, p =0.05) and HCC staging score (Barcelona-Clínic-Liver-Cancer stages C+D in 50% vs. 58%, p =0.24). HCC developed faster in HIV/HCV-coinfected than in HCV-monoinfected patients (mean, 26 vs. 34years after HCV infection, p =0.002). HIV-positive patients received proven therapy more often (48% vs. 31%, p =0.017), but median survival was similar (6.9 vs. 7.5 months, p =0.44). Independent factors predicting survival were symptomatic presentation (hazard ratio [HR], 0.437; p <0.001), any proven therapy (HR, 2.19; p <0.001), diagnosis after 01-Jan-2002 (HR, 1.52; p =0.010), Barcelona-Clínic-Liver-Cancer stages C+D (HR, 0.491; p <0.001), AST/ALT⩾2.00 (HR, 0.597; p =0.001), AFP⩾400 ng/mL (HR, 0.55, p =0.003), and platelets⩾100,000/mm3 (HR, 0.651; p =0.012), but not HIV-serostatus (p =0.19). In HIV-infected patients without HCC therapy (n =33), median survival was longer with undetectable HIV RNA (<400copies/mL) than with HIV viremia (6.5 vs. 2.6 months, p =0.013). Conclusions: HIV-positive HCC patients are younger and more frequently symptomatic and infected with HCV or HBV than HIV-negative patients. Tumor staging and survival are similar. In untreated patients, undetectable HIV RNA independently predicts better survival. [Copyright &y& Elsevier]
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- 2007
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