Publications by authors named "SK Mattoo"

Background: Tuberculosis (TB) poses a significant social and economic burden to households of persons with TB (PwTB). Despite free diagnosis and care under the National TB Elimination Programme (NTEP), individuals often experience significant out-of-pocket expenditure and lost productivity, causing financial catastrophe. We estimated the costs incurred by the PwTB during TB care and identified the factors associated with the costs.

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Background: Occupational exposure to silica increases the risk of TB infection (TBI) and disease. This study aimed to determine the prevalence of TBI and explore challenges in TBI management in such individuals in two districts of India during 2023.

Methods: This was an explanatory mixed-methods study with a quantitative cohort design and qualitative descriptive in-depth interviews.

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Background: This study explored the relationship between personality attributes and substance use disorder (SUD). Research has identified specific personality dimensions, such as neuroticism, psychoticism, antisocial personality traits, paranoia, and anxiety, as contributing factors on the way to the initiation, continuation, and relapse of SUD.

Purpose: To explore this connection, we examined the personality profiles of subjects with alcohol use disorder (AUD) and opioid use disorder (OUD).

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Background: In 2022, India's national tuberculosis (TB) elimination program (NTEP) commissioned a national level evaluation of active case finding (ACF) for TB to guide evidence-based strategic planning. As part of this evaluation, based on secondary data analysis we observed that the quality of ACF was suboptimal in 2021. Hence, this study aimed to understand the enablers, barriers, and suggested solutions to improve ACF for TB in India from NTEP staff (provider) perspective.

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Introduction: India's National TB Elimination Programme plans to roll out short-course TB preventive therapy (TPT) using 3 months of rifapentine and isoniazid (3HP). Understanding the feasibility and safety of children in programmatic settings is critical for widespread implementation. We present the findings of a targeted scale-up of 3HP among children and adolescents living with HIV (CALHIV) and child household contacts (>2 to <6 years) of pulmonary TB patients (CHHC).

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Article Synopsis
  • The study examined the effectiveness and safety of reducing linezolid doses in a treatment regimen for adults with pre-extensively drug-resistant or treatment-intolerant multidrug-resistant tuberculosis.
  • Patients were enrolled in a clinical trial where they were randomly assigned to three different dosing regimens of linezolid, alongside bedaquiline and pretomanid, for a total duration of 26 weeks.
  • Results showed that the reduced dose of linezolid (300 mg/day) maintained similar cure rates as the standard dose (600 mg/day) while leading to fewer reported cases of peripheral neuropathy, suggesting a safer approach for treating this condition.
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Background: (NPY), a direct benefit transfer scheme under the National Tuberculosis Elimination Program (NTEP) in India, provides a monthly benefit of INR500 for nutritional support of persons with TB (PwTB).

Objectives: To determine the proportion of PwTB receiving atleast one NPY instalment and pattern of utilisation; to ascertain factors associated with NPY non-receipt and association of NPY receipt with TB treatment outcome.

Methods: In our cross-sectional study, we used multi-stage sampling to select PwTB whose treatment outcome was declared between May 2022 and February 2023.

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Background: The COVID-19 pandemic has affected the availability and access to medications for opioid dependence (OD). We examined the monthly trends in new buprenorphine/naloxone (BNX) treatment episodes, number of clinical visits for BNX, BNX dispensed per person, and BNX prescription over 56-month, which included pre-pandemic, during early, and later part of pandemic (Jan 2017 - Aug 2022).

Methods: Research data were collected from the pharmacy database of a large publicly funded treatment center in India.

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Background: Patients with TB have additional nutritional requirements and thus additional costs to the household. Ni-kshay Poshan Yojana(NPY) is a Direct Benefit Transfer (DBT) scheme under the National Tuberculosis Elimination Programme(NTEP) in India which offers INR 500 monthly to all notified patients with TB for nutritional support during the period of anti-TB treatment. Five years after its implementation, we conducted the first nationwide evaluation of NPY.

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Background: India has the largest tuberculosis burden globally, but this burden varies nationwide. All-age tuberculosis prevalence in 2021 ranged from 747/100,000 in Delhi to 137/100,000 in Gujarat. Previous modelling has demonstrated the benefits and costs of introducing novel tuberculosis vaccines in India overall.

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Background: India has been implementing active case-finding (ACF) for TB among marginalised and vulnerable (high-risk) populations since 2017. The effectiveness of ACF cycle(s) is dependent on the use of appropriate screening and diagnostic tools and meeting quality indicators.

Objectives: To determine the number of ACF cycles implemented in 2021 at national, state ( = 36) and district ( = 768) level and quality indicators for the first ACF cycle.

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Aim: We aimed to assess the service user's acceptability, feasibility, and attitude toward telemedicine practice and compare it with in-person consultation in substance use disorder (SUD).

Materials And Methods: We recruited 15 adult patients with SUD who accessed both telemedicine and in-person care. We conducted in-depth interviews on awareness and access, facilitators and barriers, treatment satisfaction, and therapeutic relationship in the telemedicine context.

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Objectives: To compare the etiology, phenomenology and motor subtype of delirium in patients with and without an underlying dementia.

Methods: A combined dataset (n = 992) was collated from two databases of older adults (>65 years) from liaison psychiatry and palliative care populations in Ireland and India. Phenomenology and severity of delirium were analysed using the Delirium Symptom Rating Scale Revised (DRS-R98) and contributory etiologies for the delirium groups were ascertained using the Delirium Etiology Checklist (DEC).

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Background: India had an estimated 2.9 million tuberculosis cases and 506 thousand deaths in 2021. Novel vaccines effective in adolescents and adults could reduce this burden.

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Objective: Buprenorphine (BUP) effectively suppresses non-prescription opioid use and increases treatment retention in opioid use disorder (OUD). However, short prescription length may interfere with treatment retention and recovery. We wanted to examine whether the outcomes of BUP treatment differ in high (HPL up to 4 wk) and low-prescription (LPL 1-2 wk) length groups.

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We aimed to examine whether treatment retention, abstinence, and adherence to buprenorphine-naloxone (BNX) differ among individuals with opioid dependence (OD) across three common categories of opioids- heroin, opium, and low-potency pharmaceutical. In a retrospective cohort study, we analyzed outpatient treatment records from March 2020 through February 2022. Opioid category was determined by lifetime and current opioid use.

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Background: Hepatitis C virus (HCV) infection is commonly comorbid with opioid dependence (OD). We wanted to compare the neurocognitive functions of OD subjects with or without HCV [HCV (+), HCV (-)] and healthy controls (HC).

Methods: We recruited 40 adult subjects (age 18-55 years) in each group.

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Background: Substance use in workplace leads to adverse effects both on the employees and on the workplace. Existing research focuses on alcohol-related harm, while workplace use of other substances has been neglected. There are no randomized controlled studies of brief interventions in Indian hospital settings.

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Background: Co-management of HIV-TB coinfection remains a challenge globally. Addressing TB among people living with HIV (PLHIV) is a key priority for the Government of India (GoI). In 2016, GoI implemented single-window services to prevent and manage TB in PLHIV.

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Context: Telemedicine has become one of the essential modes of healthcare delivery. Different aspects of the physician-patient relationship during tele and in-person consultation need to be studied.

Aims: This study aimed to compare perceived empathy and therapeutic relationship between tele and in-person consultation and assess the patient's satisfaction during teleconsultation for substance use disorder (SUD).

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Introduction: Treatment completion is associated with a better outcome in substance use disorders. We examined the rates of treatment completion and its predictors in patients admitted to specialized addiction treatment settings over a 13-year period.

Methods: Ours was a retrospective cohort study.

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Article Synopsis
  • Media shapes public understanding and attitudes towards substance misuse, with a focus on Indian online news articles published from July 2020 to June 2021.
  • Out of 100 analyzed articles, 60% had negative headlines, primarily discussing alcohol, supply reduction, and very few addressed treatment positively.
  • Key themes identified included the legal and criminal aspects of substance use, health and psychosocial hazards, public stigma, and a lack of responsible media reporting on treatment strategies, highlighting the need for guidelines in media coverage.
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Background: Individuals with opioid dependence experience stigma and discrimination. Stigma can potentially reduce treatment-seeking and negatively affect treatment outcomes. We aimed to study the course of stigma and its correlates among patients receiving opioid agonist treatment (OAT).

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