Publications by authors named "Ahmad Abbadi"

Background And Objective: The use of blood-based risk prediction tools has been proposed to improve prostate cancer screening, but data on repeated screening are lacking. Our aim was to compare outcomes using the blood tests prostate-specific antigen (PSA) and Stockholm3 for repeat prostate cancer screening.

Methods: In the population-based screening-by-invitation STHLM3-MRI trial, men aged 50-74 yr were invited to participate in screening.

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Background: Lower respiratory tract infections (LRTIs) are a major global health concern, particularly among older adults, who have an increased risk of poorer health outcomes that persist beyond the acute infectious episode. We aimed to investigate the mid-term (up to 7 years) and long-term (up to 12 years) effects of LRTIs on the objective health status trajectories of older adults, while also considering potential sex differences.

Methods: Cohort data of adults aged ≥ 60 years from the Swedish National study of Aging and Care in Kungsholmen (SNAC-K) collected between 2001 and 2016 was analyzed.

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Article Synopsis
  • *In a study analyzing data from 2001 to 2019, LRTI-exposed individuals faced higher risks of hospitalization and longer hospital stays compared to unexposed counterparts, with significantly increased healthcare visits and admissions.
  • *The long-term risks for mortality were also notable, especially among men, indicating that LRTIs have lasting effects on health outcomes for older adults.
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Background: As global aging accelerates, routinely assessing the functional status and morbidity burden of older patients becomes paramount. The aim of this study is to assess the validity of the comprehensive clinical and functional Health Assessment Tool (HAT) based on four cohorts of older adults (60 + years) from the Swedish National study on Aging and Care (SNAC) spanning urban, suburban, and rural areas.

Methods: The HAT integrates five health indicators (gait speed, global cognition, number of chronic diseases, and basic and instrumental activities of daily living), providing an individual-level score between 0 and 10.

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Article Synopsis
  • This study investigates how well different multiple imputation methods handle systematically missing discrete data in a meta-analysis of gait speed within the Swedish National Study on Aging and Care (SNAC).
  • Three imputation strategies are evaluated: fully conditional specification (FCS), multivariate normal (MVN), and conditional quantile imputation (CQI), through simulations involving 1,000 individual participant data meta-analyses.
  • Results show that while all three methods performed comparably well in terms of estimating mortality odds ratios, CQI had the least bias, making it the most reliable method among those tested for this type of missing data.
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Importance: Magnetic resonance imaging (MRI) has been proposed to enhance the benefit-to-harm ratio of prostate cancer screening, but data on repeated screening outcomes are lacking.

Objective: To describe outcomes of prostate-specific antigen (PSA)-based screening with MRI and prostate biopsies at repeat screening.

Design, Setting, And Participants: This secondary analysis examined the population-based, screen-by-invitation STHLM3-MRI randomized clinical trial, which recruited Swedish men aged 50 to 74 years.

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Background: Multimorbidity, the coexistence of multiple chronic conditions in an individual, is a complex phenomenon that is highly prevalent in primary care settings, particularly in older individuals. This systematic review summarises the current evidence on multimorbidity patterns identified in primary care electronic health record (EHR) data.

Methods: Three databases were searched from inception to April 2022 to identify studies that derived original multimorbidity patterns from primary care EHR data.

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Importance: Stratifying patients with biochemical recurrence (BCR) after primary treatment for prostate cancer based on the risk of prostate cancer-specific mortality (PCSM) is essential for determining the need for further testing and treatments.

Objective: To evaluate the association of BCR after radical prostatectomy or radiotherapy and its current risk stratification with PCSM.

Design, Setting, And Participants: This population-based cohort study included a total of 16 311 male patients with 10 364 (64%) undergoing radical prostatectomy and 5947 (36%) undergoing radiotherapy with curative intent (cT1-3, cM0) and PSA follow-up in Stockholm, Sweden, between 2003 and 2019.

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Umbrella reviews (reviews of systematic reviews) are increasingly used to synthesize findings from systematic reviews. One important challenge when pooling data from several systematic reviews is publication overlap, that is, the same primary publications being included in multiple reviews. Pieper et al.

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Objectives: This umbrella review aimed to evaluate whether certain interventions can mitigate the negative health consequences of caregiving, which interventions are more effective than others depending on the circumstances, and how these interventions are experienced by caregivers themselves.

Design: An umbrella review of systematic reviews was conducted.

Data Sources: Quantitative (with or without meta-analyses), qualitative and mixed-methods systematic reviews were included.

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Background: Waterpipe nicotine dependence and its association with depressive symptoms and dual usage among adolescents are currently not examined in the literature. Adolescents are a vulnerable population that is susceptible to depression and initiation of tobacco use. We aim, in this novel study, to assess the association between depressive symptoms and waterpipe nicotine dependence among adolescents in Jordan, evaluate the association between waterpipe smoking status (waterpipe smoker vs.

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