Browse publications by year: 2023

  1. Hai T, Abd El-Salam NM, Kh TI, Chaturvedi R, El-Shafai W, Farhang B
    Chemosphere, 2023 Sep;336:139160.
    PMID: 37327820 DOI: 10.1016/j.chemosphere.2023.139160
    In the third millennium, developing countries will confront significant environmental problems such as ozone depletion, global warming, the shortage of fossil resources, and greenhouse gas emissions. This research looked at a multigenerational system that can generate clean hydrogen, fresh water, electricity, heat, and cooling. The system's components include Rankine and Brayton cycles, an Organic Rankine Cycle (ORC), flash desalination, an Alkaline electrolyzer, and a solar heliostat. The proposed process has been compared for two different start-up modes with a combustion chamber and solar heliostat to compare renewable and fossil fuel sources. This research evaluated various characteristics, including turbine pressure, system efficiency, solar radiation, and isentropic efficiency. The energy and exergy efficiency of the proposed system were obtained at around 78.93% and 47.56%, respectively. Exergy study revealed that heat exchangers and alkaline electrolyzers had the greatest exergy destruction rates, at 78.93% and 47.56%, respectively. The suggested system produces 0.04663 kg/s of hydrogen. Results indicate that at the best operational conditions, the exergetic efficiency, power, and hydrogen generation of 56%, 6000 kW, and 1.28 kg/s is reached, respectively. Also, With a 15% improvement in the Brayton cycle's isentropic efficacy, the quantity of hydrogen produced increases from 0.040 kg/s to 0.0520 kg/s.
    MeSH terms: Algorithms; Cold Temperature; Hydrogen; Refrigeration*; Solar Energy*
  2. Alkoudmani RM, Ooi GS, Tan ML
    PMID: 37327997 DOI: 10.1016/j.japh.2023.06.007
    BACKGROUND: The world is moving fast towards digital transformation as we live in the artificial intelligence (AI) era. The COVID-19 pandemic accelerates this movement. Chatbots were used successfully to help researchers collect data for research purposes.

    OBJECTIVE: To implement a chatbot on the Facebook® platform to establish connections with healthcare professionals who had subscribed to the chatbot, provide medical and pharmaceutical educational content, and collect data for online pharmacy research projects. Facebook® was chosen because it has billions of daily active users which offers a massive potential audience for research projects.

    PRACTICE DESCRIPTION: The chatbot was successfully implemented on the Facebook® platform following three consecutive steps. Firstly, the ChatPion script was installed on the Pharmind website to establish the chatbot system. Secondly, the PharmindBot application was developed on Facebook®. Finally, the PharmindBot app was integrated with the chatbot system.

    PRACTICE INNOVATION: The chatbot responds automatically to public comments and sends subscribers private responses using artificial intelligence. The chatbot collected quantitative and qualitative data with minimal costs.

    EVALUATION METHODS: The chatbot's auto-reply function was tested using a post published on a specific page on Facebook®. Testers were asked to leave pre-defined keywords to test its functionality. The chatbot's ability to collect and save data was tested by asking testers to fill out an online survey within Facebook Messenger® for quantitative data and answer pre-defined questions for qualitative data.

    RESULTS: The chatbot was tested on 1000 subscribers who interacted with it. Almost all testers (n = 990, 99%) obtained a successful private reply from the chatbot after sending a pre-defined keyword. Also, the chatbot replied privately to almost all public comments (n = 985, 98.5%) which helped to increase the organic reach and to establish a connection with the chatbot subscribers. No missing data was found when the chatbot was used to collect quantitative and qualitative data.

    CONCLUSIONS: The chatbot reached thousands of healthcare professionals and provided them with automated responses. At a low cost, the chatbot was able to gather both qualitative and quantitative data without relying on Facebook® ads to reach the intended audience. The data collection was efficient and effective. Using chatbots by pharmacy and medical researchers will help do more feasible online studies using AI to advance healthcare research.

  3. Siew-Keah L, Jie TH, Ang-Lim C, Bin LK, Yik-Ling C
    Planta Med, 2023 Oct;89(13):1229-1235.
    PMID: 37328148 DOI: 10.1055/a-2111-7319
    Brewed green tea, green tea extract, and its primary active compound, epigallocatechin gallate, may interact with drugs and alter the drug's therapeutic effectiveness, ultimately leading to therapeutic failure or drug overdose. Several isolated reports have claimed that epigallocatechin gallate is the main active ingredient that causes these effects. While a few studies aimed to uncover evidence of epigallocatechin gallate-drug interactions, no study has thoroughly and collectively reviewed them. Epigallocatechin gallate is a potential cardioprotective agent used by many patients with cardiovascular diseases as a complementary medicine alongside conventional modern medications, either with or without the knowledge of their physicians. Therefore, this review focuses on the impact of concurrent epigallocatechin gallate supplementation on pharmacokinetics and pharmacodynamics of several commonly used cardiovascular drugs (statins, beta-blockers, and calcium channel blockers). The PubMed index was searched for key words related to this review, without year limit, and the results were analyzed for interactions of cardiovascular drugs with epigallocatechin gallate. This review concludes that epigallocatechin gallate increases systemic circulation of several statins (simvastatin, fluvastatin, rosuvastatin) and calcium channel blockers (verapamil), but decreases the bioavailability of beta-blockers (nadolol, atenolol, bisoprolol). Further studies on its clinical significance in affecting drug efficacy are required.
  4. Al-Amiery A, Isahak WNRW, Al-Azzawi WK
    Sci Rep, 2023 Jun 16;13(1):9770.
    PMID: 37328536 DOI: 10.1038/s41598-023-36252-8
    The corrosion inhibition properties of 2-(1,3,4-thiadiazole-2-yl)pyrrolidine (2-TP) on mild steel in a 1 M HCl solution were investigated using weight loss, potentiodynamic polarization, electrochemical impedance spectroscopy (EIS) and open circuit potential (OCP) measurements. In addition, DFT calculations were performed on 2-TP. The polarization curves revealed that 2-TP is a mixed-type inhibitor. The results indicate that 2-TP is an effective inhibitor for mild steel corrosion in a 1.0 M HCl solution, with an inhibition efficiency of 94.6% at 0.5 mM 2-TP. The study also examined the impact of temperature, revealing that the inhibition efficiency increases with an increasing concentration of 2-TP and decreases with a rise in temperature. The adsorption of the inhibitor on the mild steel surface followed the Langmuir adsorption isotherm, and the free energy value indicated that the adsorption of 2-TP is a spontaneous process that involves both physical and chemical adsorption mechanisms. The DFT calculations showed that the adsorption of 2-TP on the mild steel surface is mainly through the interaction of the lone pair of electrons on the nitrogen atom of the thiadiazole ring with the metal surface. The results obtained from the weight loss, potentiodynamic polarization, EIS and OCP measurements were in good agreement with each other and confirmed the effectiveness of 2-TP as a corrosion inhibitor for mild steel in 1.0 M HCl solution. Overall, the study demonstrates the potential use of 2-TP as a corrosion inhibitor in acid environments.
    MeSH terms: Acids; Corrosion; Thiadiazoles*
  5. Habib Dzulkarnain SM, Hashim IF, Zainudeen ZT, Taib F, Mohamad N, Nasir A, et al.
    J Clin Immunol, 2023 Oct;43(7):1623-1639.
    PMID: 37328647 DOI: 10.1007/s10875-023-01532-5
    Purine nucleoside phosphorylase deficient severe combined immunodeficiency (PNP SCID) is one of the rare autosomal recessive primary immunodeficiency disease, and the data on epidemiology and outcome are limited. We report the successful management of a child with PNP SCID and present a systematic literature review of published case reports, case series, and cohort studies on PNP SCID listed in PubMed, Web of Science, and Scopus from 1975 until March 2022. Forty-one articles were included from the 2432 articles retrieved and included 100 PNP SCID patients worldwide. Most patients presented with recurrent infections, hypogammaglobulinaemia, autoimmune manifestations, and neurological deficits. There were six reported cases of associated malignancies, mainly lymphomas. Twenty-two patients had undergone allogeneic hematopoietic stem cell transplantation with full donor chimerism seen mainly in those receiving matched sibling donors and/or conditioning chemotherapy before the transplant. This research provides a contemporary, comprehensive overview on clinical manifestations, epidemiology, genotype mutations, and transplant outcome of PNP SCID. These data highlight the importance of screening for PNP SCID in cases presented with recurrent infections, hypogammaglobulinaemia, and neurological deficits.
    MeSH terms: Child; Humans; Mutation; Purine-Nucleoside Phosphorylase/genetics
  6. Azab WA
    Childs Nerv Syst, 2023 Dec;39(12):3371-3372.
    PMID: 37328661 DOI: 10.1007/s00381-023-06030-y
    BACKGROUND: One of the main difficulties in third ventricle surgery is its deep and central location within the brain, surrounded by many eloquent neurovascular structures. Such anatomical environment obviously makes it very hard to safely approach and excise lesions in there.

    METHODS: The introduction of the surgical microscope into the neurosurgical field undoubtedly played an important and pivotal role in improving the surgical results and increasing the safety of operations in and around the third ventricle. Although the surgical microscope remained the gold standard of intraoperative visualization for many decades, the advent of endoscopes revolutionized surgery of the third ventricle. Neuroendoscopic procedures for lesions of the third ventricle encompass a greatly variable array of endochannel, endoscope-assisted and endoscope-controlled techniques.

    CONCLUSION: In this collection on purely endoscopic and endoscope-assisted approaches to lesions of the third ventricle in pediatric age, the readership is presented with a selected group of these operations performed by experts in the field, shedding light mainly on their technical aspects and surgical pearls. The text description in each article is supplemented by a surgical video.

    MeSH terms: Brain/surgery; Child; Humans; Microsurgery/methods; Endoscopes
  7. Tan BE, Wong PY, Baibhav B, Thakkar S, Azhar AZ, Rao M, et al.
    Curr Probl Cardiol, 2023 Aug;48(8):101174.
    PMID: 35341798 DOI: 10.1016/j.cpcardiol.2022.101174
    Current guidelines recommend 6-12 months of dual antiplatelet therapy (DAPT) after percutaneous coronary intervention (PCI) followed by aspirin monotherapy indefinitely. We aimed to assess the efficacy and safety of clopidogrel vs aspirin in the post-PCI population after completing DAPT. We systematically searched 5 electronic databases to identify studies comparing clopidogrel with aspirin following completion of DAPT after PCI. We pooled outcomes for major adverse cardiac events (MACE), cardiac death, all-cause death, major bleeding, myocardial infarction (MI), and stroke. We included 5 studies with 13,850 patients, of whom 5601 (40.4%) received clopidogrel. Mean follow-up was 12-36 months. All patients received drug-eluting stents. Duration of DAPT before antiplatelet monotherapy was 1-18 months. Clopidogrel was associated with reductions in MACE (Risk ratio [RR] 0.77, 95% confidence interval [CI] 0.65-0.91), any stroke (RR 0.51; 95% confidence interval [CI] 0.35-0.76), ischemic stroke (RR 0.55; 95% CI 0.32-0.94), and hemorrhagic stroke (RR 0.24; 95% CI 0.09-0.68) when compared with aspirin. Cardiac death (RR 0.87; 95% CI 0.53-1.41), all-cause death (RR 1.06; 95% CI 0.81-1.39), major bleeding (RR 0.74; 95% CI 0.43-1.29), MI (RR 1.01; 95% CI 0.64-1.60), repeat revascularization (RR 0.88; 95% CI 0.71-1.09), target vessel revascularization (RR 0.76; 95% CI 0.52-1.13), and stent thrombosis (RR 0.96; 95% CI 0.35-2.59) were not significantly different among groups. Compared with aspirin, clopidogrel was associated with reductions in MACE and stroke (ischemic and hemorrhagic) following DAPT completion after PCI. There were no significant differences in mortality, major bleeding, MI, and repeat revascularization between groups.
    MeSH terms: Aspirin/adverse effects; Death; Drug Therapy, Combination; Hemorrhage/chemically induced; Humans; Platelet Aggregation Inhibitors/adverse effects; Treatment Outcome
  8. Kumar R, Htwe O, Baharudin A, Rhani SA, Ibrahim K, Nanra JS, et al.
    J Spinal Cord Med, 2023 Jul;46(4):682-686.
    PMID: 35604343 DOI: 10.1080/10790268.2022.2067972
    OBJECTIVE: MLC601/MLC901 has demonstrated neuroprotective and neuroregenerative properties that enhance neurological recovery in stroke and traumatic brain injury. We aimed to evaluate its safety and potential efficacy in patients with severe spinal cord injury.

    METHODS: Patients with American Spinal Injury Association (ASIA) Impairment Scale (AIS) A and B were included in an open-label cohort study. Each received a course of MLC601/MLC901 for 6 months in addition to standard care and rehabilitation. Key endpoints were safety, AIS grade and motor scores at month 6 (M6).

    RESULTS: Among 30 patients included (mean age 42.2 ± 17.6 years, 24 men), 20 patients had AIS A while 10 patients had AIS B at baseline. Ten patients experienced 14 adverse events including one serious adverse event and six deaths, none were considered treatment-related. AIS improved in 25% of AIS A and 50% of AIS B. Improvement in ASIA motor score was seen most with cervical injury (median change from baseline 26.5, IQR: 6-55). These findings appear to be better than reported rates of spontaneous recovery for SCI AIS A and B.

    CONCLUSION: MLC601/MLC901 is safe and may have a role in the treatment of patients with SCI. A controlled trial is justified.

    MeSH terms: Adult; Drugs, Chinese Herbal*; Humans; Male; Middle Aged; Cohort Studies; Treatment Outcome; Recovery of Function; Young Adult
  9. Ong CY, Wai Ching Deanna L
    Glob Health Promot, 2023 Jun;30(2):28-34.
    PMID: 36052969 DOI: 10.1177/17579759221118256
    OBJECTIVES: To assess art initiatives and programmes communicating health messages and during the COVID-19 pandemic in Malaysia from 2020 to 2021.

    STUDY DESIGN: Qualitative narrative study.

    METHODS: Grey literature on COVID-19 art initiatives and programmes in Malaysia was reviewed.

    RESULTS: The art initiatives and efforts in Malaysia to promote health and wellness during the COVID-19 pandemic were compelling and notable. These initiatives can be classified into five major categories, namely performing arts, visual arts, culture, literature and digital art. The main health messages conveyed through these initiatives included public education regarding COVID-19, health precautionary steps recommended for the public, and solidarity in the fight against COVID-19. These art initiatives cultivated positive responses from the public and increased their awareness of COVID-19.

    CONCLUSION: From the public health perspective, the use of arts to educate and create awareness of COVID-19 in Malaysia were encouraging. The public is made more informed and prepared to face the challenges ahead.

    MeSH terms: Art*; Health Promotion; Humans; Public Health; Pandemics
  10. AlMatar M, Ramli ANM, Albarri O, Yi CX
    Comb Chem High Throughput Screen, 2023;26(11):1945-1959.
    PMID: 36366840 DOI: 10.2174/1386207326666221108095705
    SARS-CoV-2 is a disease that endangers both human life and the economy. There was an 11- month period of relative evolutionary standstill following the appearance of SARS-CoV-2 in late 2019. However, the emergence of clusters of mutations known as' variants of concern 'with variable viral properties such as transmissibility and antigenicity defined the evolution of SARS-CoV-2. Several efforts have been made in recent months to understand the atomic level properties of SARS-CoV-2. A review of the literature on SARS-CoV-2 mutations is offered in this paper. The critical activities performed by different domains of the SARS-CoV-2 genome throughout the virus's entry into the host and overall viral life cycle are discussed in detail. These structural traits may potentially pave the way for the development of a vaccine and medication to combat the SARS-CoV-2 sickness.
    MeSH terms: Humans; Mutation; Phenotype
  11. Awuah WA, Tenkorang PO, Ng JC, Abdul-Rahman T
    Neurosurgery, 2023 Jul 01;93(1):e16.
    PMID: 37097024 DOI: 10.1227/neu.0000000000002515
    MeSH terms: Africa/epidemiology; Cerebrovascular Disorders*; Humans
  12. Hall CM, Somprasong N, Hagen JP, Nottingham R, Sahl JW, Webb JR, et al.
    Antimicrob Agents Chemother, 2023 Jun 15;67(6):e0017123.
    PMID: 37133377 DOI: 10.1128/aac.00171-23
    Cefiderocol is a siderophore cephalosporin designed mainly for treatment of infections caused by β-lactam and multidrug-resistant Gram-negative bacteria. Burkholderia pseudomallei clinical isolates are usually highly cefiderocol susceptible, with in vitro resistance found in a few isolates. Resistance in clinical B. pseudomallei isolates from Australia is caused by a hitherto uncharacterized mechanism. We show that, like in other Gram-negatives, the PiuA outer membrane receptor plays a major role in cefiderocol nonsusceptibility in isolates from Malaysia.
    MeSH terms: Cephalosporins/pharmacology; Cephalosporins/therapeutic use; Gram-Negative Bacteria; Microbial Sensitivity Tests; Burkholderia pseudomallei*; Drug Resistance, Multiple, Bacterial/genetics
  13. Md Pisar M, Chee BJ, Long I, Osman A
    Ann Med, 2023 Dec;55(1):2224970.
    PMID: 37318144 DOI: 10.1080/07853890.2023.2224970
    BACKGROUND AND AIM: Centella asiatica (L.) Urb. (Apiaceae) is a renowned medicinal plant being used in the Ayurvedic system for its pharmacological effects on the central nervous system such as rejuvenating, sedative, anxiolytic and memory-enhancing properties. The present study was designed to investigate the effect of Centella asiatica (CA) extract on inflammatory responses induced by lipopolysaccharide (LPS) and resulting changes in cognitive behavior.

    MATERIALS AND METHODS: Adult male Sprague-Dawley rats were divided into 4 groups as control, LPS, CA and LPS + CA. The treatments with LPS (5 mg/kg) were intraperitoneally (i.p) injected on day 4 and CA ethanol extract (200 mg/kg) were given orally for 14 days. Morris Water Maze (MWM) test was performed to assess spatial learning and memory performance. Acute oral toxicity of the extract at the highest dose of 5000 mg/kg was also conducted.

    RESULTS: Single administration of LPS was able to significantly elicit learning and memory impairment (p 

    MeSH terms: Animals; Humans; Inflammation/chemically induced; Inflammation/drug therapy; Lipopolysaccharides*; Rats, Sprague-Dawley; Models, Animal; Rats; Spatial Memory*
  14. Fan Q, Zeng X, Wu Z, Guo Y, Du Q, Tu M, et al.
    PMID: 37318213 DOI: 10.1080/10408398.2023.2220803
    Lactic acid bacteria (LAB) is a type of probiotic that may benefit intestinal health. Recent advances in nanoencapsulation provide an effective strategy to protect them from harsh conditions via surface functionalization coating techniques. Herein, the categories and features of applicable encapsulation methods are compared to highlight the significant role of nanoencapsulation. Commonly used food-grade biopolymers (polysaccharides and protein) and nanomaterials (nanocellulose and starch nanoparticles) are summarized along with their characteristics and advances to demonstrate enhanced combination effects in LAB co-encapsulation. Nanocoating for LAB provides an integrity dense or smooth layer attributed to the cross-linking and assembly of the protectant. The synergism of multiple chemical forces allows for the formation of subtle coatings, including electrostatic attractions, hydrophobic interactions, π-π, and metallic bonds. Multilayer shells have stable physical transition properties that could increase the space between the probiotic cells and the outer environment, thus delaying the microcapsules burst time in the gut. Probiotic delivery stability can be promoted by enhancing the thickness of the encapsulated layer and nanoparticle binding. Maintenance of benefits and minimization of nanotoxicity are desirable, and green synthesized nanoparticles are emerging. Future trends include optimized formulation, especially using biocompatible materials, protein or plant-based materials, and material modification.
  15. Simpfendorfer CA, Heithaus MR, Heupel MR, MacNeil MA, Meekan M, Harvey E, et al.
    Science, 2023 Jun 16;380(6650):1155-1160.
    PMID: 37319199 DOI: 10.1126/science.ade4884
    A global survey of coral reefs reveals that overfishing is driving resident shark species toward extinction, causing diversity deficits in reef elasmobranch (shark and ray) assemblages. Our species-level analysis revealed global declines of 60 to 73% for five common resident reef shark species and that individual shark species were not detected at 34 to 47% of surveyed reefs. As reefs become more shark-depleted, rays begin to dominate assemblages. Shark-dominated assemblages persist in wealthy nations with strong governance and in highly protected areas, whereas poverty, weak governance, and a lack of shark management are associated with depauperate assemblages mainly composed of rays. Without action to address these diversity deficits, loss of ecological function and ecosystem services will increasingly affect human communities.
    MeSH terms: Animals; Conservation of Natural Resources*; Fisheries; Humans; Sharks*; Skates (Fish)*; Biodiversity; Extinction, Biological*; Coral Reefs*
  16. Ahmadijokani F, Ahmadipouya S, Haris MH, Rezakazemi M, Bokhari A, Molavi H, et al.
    ACS Appl Mater Interfaces, 2023 Jun 28;15(25):30106-30116.
    PMID: 37319265 DOI: 10.1021/acsami.3c02171
    The postsynthetic modification of metal-organic frameworks (MOFs) has opened up a promising area to widen their water treatment application. However, their polycrystalline powdery state still restricts their widespread industrial-scale applications. Herein, the magnetization of UiO-66-NH2 is reported as a promising approach to facilitate the separation of the used MOFs after water treatment. A two-step postmodification procedure employing 2,4,6-trichloro-1,3,5-triazine (TCT) and 5-phenyl-1H-tetrazole (PTZ) agents was introduced to level up the adsorption performance of the magnetic nanocomposite. Despite a decrement in porosity and specific surface area of the designed MOFs (m-UiO-66-TCT) compared to neat UiO-66-NH2, it outweighs in adsorption capacity. It was observed that m-UiO-66-TCT has an adsorption capacity of ≈298 mg/g for methyl orange (MO) with facile MOF separation using an external magnet. Pseudo-second-order kinetic model and Freundlich isotherm models suitably interpret the experimental data. Thermodynamic studies showed that MO removal using m-UiO-66-TCT is spontaneous and thermodynamically favorable at higher temperatures. The m-UiO-66-TCT composite exhibited easy separation, high adsorption capacity, and good recyclability, rendering it an attractive candidate for the adsorptive removal of MO dye from aqueous environments.
  17. Gupta R, Hasan MM, Islam SZ, Yasmin T, Uddin J
    PLoS One, 2023;18(6):e0287342.
    PMID: 37319267 DOI: 10.1371/journal.pone.0287342
    The economic landscape of the United Kingdom has been significantly shaped by the intertwined issues of Brexit, COVID-19, and their interconnected impacts. Despite the country's robust and diverse economy, the disruptions caused by Brexit and the COVID-19 pandemic have created uncertainty and upheaval for both businesses and individuals. Recognizing the magnitude of these challenges, academic literature has directed its attention toward conducting immediate research in this crucial area. This study sets out to investigate key economic factors that have influenced various sectors of the UK economy and have broader economic implications within the context of Brexit and COVID-19. The factors under scrutiny include the unemployment rate, GDP index, earnings, and trade. To accomplish this, a range of data analysis tools and techniques were employed, including the Box-Jenkins method, neural network modeling, Google Trend analysis, and Twitter-sentiment analysis. The analysis encompassed different periods: pre-Brexit (2011-2016), Brexit (2016-2020), the COVID-19 period, and post-Brexit (2020-2021). The findings of the analysis offer intriguing insights spanning the past decade. For instance, the unemployment rate displayed a downward trend until 2020 but experienced a spike in 2021, persisting for a six-month period. Meanwhile, total earnings per week exhibited a gradual increase over time, and the GDP index demonstrated an upward trajectory until 2020 but declined during the COVID-19 period. Notably, trade experienced the most significant decline following both Brexit and the COVID-19 pandemic. Furthermore, the impact of these events exhibited variations across the UK's four regions and twelve industries. Wales and Northern Ireland emerged as the regions most affected by Brexit and COVID-19, with industries such as accommodation, construction, and wholesale trade particularly impacted in terms of earnings and employment levels. Conversely, industries such as finance, science, and health demonstrated an increased contribution to the UK's total GDP in the post-Brexit period, indicating some positive outcomes. It is worth highlighting that the impact of these economic factors was more pronounced on men than on women. Among all the variables analyzed, trade suffered the most severe consequences in the UK. By early 2021, the macroeconomic situation in the country was characterized by a simple dynamic: economic demand rebounded at a faster pace than supply, leading to shortages, bottlenecks, and inflation. The findings of this research carry significant value for the UK government and businesses, empowering them to adapt and innovate based on forecasts to navigate the challenges posed by Brexit and COVID-19. By doing so, they can promote long-term economic growth and effectively address the disruptions caused by these interrelated issues.
    MeSH terms: European Union; Female; Great Britain/epidemiology; Humans; Income; Male; Pandemics*
  18. Sharani ZZ, Ismail N, Yasin SM, Isa MR, Razali A, Sherzkawee MA, et al.
    PLoS One, 2023;18(6):e0287374.
    PMID: 37319310 DOI: 10.1371/journal.pone.0287374
    INTRODUCTION: Loss to follow-up (LTFU) and smoking during TB treatment are major challenges for TB control programs. Smoking increases the severity and prolongs TB treatment duration, which lead to a higher rate of LTFU. We aim to develop a prognostic scoring tool to predict LTFU among TB patients who smoke to improve successful TB treatment outcomes.

    MATERIALS AND METHODS: The development of the prognostic model utilized prospectively collected longitudinal data of adult TB patients who smoked in the state of Selangor between 2013 until 2017, which were obtained from the Malaysian Tuberculosis Information System (MyTB) database. Data were randomly split into development and internal validation cohorts. A simple prognostic score (T-BACCO SCORE) was constructed based on the regression coefficients of predictors in the final logistic model of the development cohort. Estimated missing data was 2.8% from the development cohort and was completely at random. Model discrimination was determined using c-statistics (AUCs), and calibration was based on the Hosmer and Lemeshow goodness of fit test and calibration plot.

    RESULTS: The model highlights several variables with different T-BACCO SCORE values as predictors for LTFU among TB patients who smoke (e.g., age group, ethnicity, locality, nationality, educational level, monthly income level, employment status, TB case category, TB detection methods, X-ray categories, HIV status, and sputum status). The prognostic scores were categorized into three groups that predict the risk for LTFU: low-risk (<15 points), medium-risk (15 to 25 points) and high-risk (> 25 points). The model exhibited fair discrimination with a c-statistic of 0.681 (95% CI 0.627-0.710) and good calibration with a nonsignificant chi-square Hosmer‒Lemeshow's goodness of fit test χ2 = 4.893 and accompanying p value of 0.769.

    CONCLUSION: Predicting LTFU among TB patients who smoke in the early phase of TB treatment is achievable using this simple T-BACCO SCORE. The applicability of the tool in clinical settings helps health care professionals manage TB smokers based on their risk scores. Further external validation should be carried out prior to use.

    MeSH terms: Adult; Follow-Up Studies; Humans; Risk Factors; Treatment Outcome
  19. Yu H, Zahidi I, Fai CM
    Environ Res, 2023 Sep 01;232:116336.
    PMID: 37321336 DOI: 10.1016/j.envres.2023.116336
    Tailings ponds, large man-made structures conceived during the mining process for waste storage, often become deserted post-mining, leaving behind a stark, contaminated landscape. This paper posits that these forsaken tailings ponds can be rejuvenated into fertile agricultural land through adept reclamation efforts. Serving as a discussion paper, it engages in a stimulating exploration of the environmental and health risks linked to tailings ponds. It sheds light on the potential and impediments in the transformation of these ponds into agricultural land. The discussion concludes that despite the substantial hurdles in repurposing tailings ponds for agriculture, there are encouraging prospects with the application of multifaceted efforts.
    MeSH terms: Agriculture*; Humans
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