Publications by authors named "Asad S"

Background: Surgeons specifically junior ones in our setup of third world country face the issue of diagnosing Acute Appendicitis (AA) as presentation usually is not typical. Cases presenting at odd hours may put residents & house officers in trouble, when sophisticated investigations are either un-available or expansive. Need for a structured diagnostic criterion is thus always there.

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Ischemic stroke is the second leading cause of mortality and morbidity worldwide. Due to the urgency of implementing immediate therapy, acute stroke necessitates prompt diagnosis. The current gold standards for vascular imaging in stroke include computed tomography angiography (CTA), digital subtraction angiography (DSA) and magnetic resonance angiography (MRA).

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The single-step methioninase-mediated degradation of methionine (as a sulfur containing amino acid) is a reaction at the interface of carbon, nitrogen, sulfur, and methane metabolism in microbes. This enzyme also has therapeutic application due to its role in starving auxotrophic cancer cells. Applying our refined in silico screening pipeline on 33,469 publicly available genome assemblies and 1878 metagenome assembled genomes/single-cell amplified genomes from brackish waters of the Caspian Sea and the Fennoscandian Shield deep groundwater resulted in recovering 1845 methioninases.

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Background: Hip resurfacing arthroplasty (HRA) offers numerous benefits over total hip replacements such as increased preservation of natural bone, improved range of motion, and lower dislocation risks. However, patient selection is crucial, with factors such as bone quality, activity level, and body mass index (BMI) playing significant roles. Obesity in particular poses challenges, potentially increasing mechanical load on the joint, complicating surgical techniques, and affecting both immediate and long-term outcomes.

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  • Atraumatic wrist pain can stem from various conditions, including gout, pseudogout, and infections, with septic arthritis needing urgent attention due to its potential severity.
  • Limited data exists on diagnosing septic arthritis in the wrist, and a delayed diagnosis can lead to severe complications like osteomyelitis.
  • This study presents a unique case of a hand surgeon experiencing delayed septic arthritis, detailing the surgical reconstruction treatment that involved a multidisciplinary team.
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  • A significant portion of patients (1 in 10) experience epilepsy after having cerebral venous thrombosis (CVT), but it's challenging to predict who will be affected.* -
  • Researchers created the DIAS3 prognostic score using clinical data from over 1,100 patients to assess the likelihood of developing post-CVT epilepsy based on six clinical variables.* -
  • The study found a range of predicted risks for post-CVT epilepsy within one and three years, with successful validation of the score confirming its effectiveness in estimating individual risk.*
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  • Cervical artery dissection (CeAD) is a leading cause of ischemic strokes in young adults, and this study explored the effects of intravenous thrombolysis (IVT) on patients with CeAD and stroke symptoms.
  • Analyzed data from the STOP-CAD study, it found that IVT significantly improved functional independence after 90 days in patients without increasing the risk of symptomatic intracranial hemorrhage.
  • The results suggest that IVT is a beneficial treatment for eligible patients with CeAD, aligning with current medical guidelines on its use.
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  • The study investigates the relationship between the empirical dietary inflammation pattern score (EDIP) and mammographic density (MD), as well as the influence of body mass index (BMI) in this relationship.
  • It included 4,145 participants from the Nurses' Health Study, assessing diet through questionnaires and measuring various MD parameters.
  • Results showed an overall negative correlation between EDIP and percent MD, with a significant portion of this relationship explained by differences in BMI, while no strong links were found between EDIP and dense area or grayscale variation.
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Cotton (Gossypium hirsutum L.) is of great economic importance as a cultivated crop in many parts of the world. In addition to being a pillar of the textile industry, cotton and its byproducts are used for livestock feed, seed oil, and other products.

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Dengue neurological disease is an uncommon yet severe complication of dengue infection. It can manifest as encephalitis, encephalopathy, neuro-ophthalmic complications, or neuromuscular disorders. Severe infection can result in viral shedding across multiple body sites.

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  • - Huntington's disease (HD) is a serious genetic disorder that leads to the degeneration of brain cells, specifically affecting motor functions as well as cognitive and emotional health.
  • - Recent studies suggest that various diets, including Mediterranean, vegan, carnivore, paleo, and ketogenic, may help slow HD's progression by impacting neuroprotective pathways.
  • - Understanding how these dietary interventions interact with HD could lead to personalized treatment plans, combining nutrition with standard medical therapies to improve outcomes for those affected.
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The present study aimed to develop a system using a combination of enzymatic and microbial degradation techniques for removing phenol from contaminated water. In our prior research, the HRP enzyme extracted from horseradish roots was utilized within a core-shell microcapsule to reduce phenolic shock, serving as a monolayer column. To complete the phenol removal process, a second column containing degrading microorganisms was added to the last column in this research.

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Single-cell RNA sequencing (scRNAseq) and Variable, Diversity, Joining (VDJ) profiling have improved our understanding of B-cells. Recent scRNAseq-based approaches have led to the discovery of intermediate B-cell states, including preplasma cells and pregerminal centre B-cells, as well as unveiling protective roles for B-cells within tertiary lymphoid structures in respiratory infections and cancers. These studies have improved our understanding of transcriptional and epigenetic control of B-cell development and of atypical and memory B-cell differentiation.

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Children in malaria-endemic regions can experience repeated Plasmodium infections over short periods of time. Effects of re-infection on multiple co-existing CD4 T cell subsets remain unresolved. Here, we examine antigen-experienced CD4 T cells during re-infection in mice, using scRNA-seq/TCR-seq and spatial transcriptomics.

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Phytopathogenic species pose a significant threat to global plant health, resulting in estimated annual economic losses exceeding USD (US Dollars) 68 billion in the agriculture and forestry sectors worldwide. To combat this pervasive menace effectively, a comprehensive understanding of the biology, ecology, and plant infection mechanisms of these pathogens is imperative. This comprehensive review critically examines various aspects of spp.

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Recent studies have shown that low preoperative resilience may lead to inferior outcomes following arthroscopic rotator cuff repair. Therefore, the purpose of this systematic review is to evaluate whether preoperative patient resilience is associated with outcome measures, including patient-reported outcome measurements (PROMs) and sleep quality, following arthroscopic rotator cuff repair. To perform the review, a literature search was conducted according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines using the PubMed and Embase databases to gather studies related to the influence of preoperative resilience on postoperative outcomes of rotator cuff repair.

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Loss-of-function variants in the gene have been identified as the strongest cause of susceptibility to atopic dermatitis (AD) in Europeans and Asians. However, very little is known about the genetic etiology behind AD in African populations, where the prevalence of AD is notably high. We sought to investigate the genetic origins of AD by performing whole-genome sequencing in an Ethiopian family with 12 individuals and several affected in different generations.

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Background: Stiffness following total knee arthroplasty (TKA) is often treated with manipulation under anesthesia (MUA). However, there is debate regarding the timing of MUA, with many recommending against MUA beyond 3 months after TKA. Therefore, the purpose of this systematic review was to evaluate the functional and clinical outcomes of early versus delayed MUA for stiffness following TKA.

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  • The study aimed to validate the SINCALC score, which predicts poor outcomes and mortality in patients with cerebral venous thrombosis (CVT), using an international cohort from the ACTION-CVT study.
  • The ACTION-CVT cohort showed differences from the original International CVT Consortium, being older, having fewer females, and milder symptoms, with a mortality rate of 2.5% at 30 days and 6% at one year.
  • Results indicated the SINCALC score performed reasonably well in predicting outcomes, with AUC values suggesting its effectiveness, and further validation in diverse populations is recommended.
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The present study aimed to investigate the role of spirituality, intolerance of uncertainty (IU), and fear of COVID-19 as correlates and predictors of psychological distress among older adults in Pakistan and also assess the gender differences among research variables. Using a quantitative correlational survey research design, a sample of 150 (75 = Men, 75 = Women) older adults aged 55 years and above from different cities of Pakistan were approached through a non-probability purposive sampling strategy. Participants completed the Daily Spiritual Experience Scale, Intolerance of Uncertainty Scale IUS-12, Fear of COVID-19, and Kessler Psychological Distress Scale-K10.

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  • - Breast cancer is the most prevalent cancer among women globally and a major cause of cancer deaths, prompting this study to examine disease presentation patterns in a region lacking proper tumor registry systems.
  • - Conducted over a year at Ayub Teaching Hospital, the study included 87 female patients with confirmed breast cancer; findings revealed that 92% had invasive ductal carcinoma, with a significant number showing late-stage disease and common axillary lymph node involvement.
  • - The study highlighted the need for improved screening and community education initiatives to foster early detection, along with a call for careful consideration regarding contraceptive hormone use and better data collection for effective care strategies.
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Purpose: To systematically review studies comparing outcomes of allograft versus autograft for hip labral reconstruction.

Methods: A systematic review following guidelines established by PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-analyses) was performed in 3 databases using the terms "labrum," "hip," "acetabulum," "reconstruction," "augmentation," "allograft," and "autograft." Data on study characteristics, patient demographic characteristics, follow-up time, patient-reported outcomes (PROs), rates of revision surgery, and rates of conversion to total hip arthroplasty (THA) were collected.

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Background: Small, randomized trials of patients with cervical artery dissection showed conflicting results regarding optimal stroke prevention strategies. We aimed to compare outcomes in patients with cervical artery dissection treated with antiplatelets versus anticoagulation.

Methods: This is a multicenter observational retrospective international study (16 countries, 63 sites) that included patients with cervical artery dissection without major trauma.

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