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Acute Gastrointestinal Bleeding in COVID-19 Patients: A Systematic Review and Meta-Analysis
Umair Iqbal,Hafsa Anwar,Hafiz Umair Siddiqui,Muhammad Ali Khan,Faisal Kamal,Bradley D. Confer,Harshit S. Khara 대한소화기내시경학회 2021 Clinical Endoscopy Vol.54 No.4
Background/Aims: More than 100 million people to date have been affected by the coronavirus disease-2019 (COVID-19)pandemic. Patients with COVID-19 have a higher risk of bleeding complications. We performed a systematic review and metaanalysisto evaluate the outcomes of COVID-19 patients with signs and symptoms of acute gastrointestinal bleeding (GIB). Methods: A systematic literature search was carried out for articles published until until November 11, 2020, in the Embase,MEDLINE, Web of Science, and Cochrane Library databases. We included studies on COVID-19 patients with signs and symptomsof GIB. Results: Our search yielded 49 studies, of which eight with a collective 127 patients (86 males and 41 females) met our inclusioncriteria. Conservative management alone was performed in 59% of the patients, endoscopic evaluation in 31.5%, and interventionalradiology (IR) embolization in 11%. Peptic ulcer disease was the most common endoscopic finding, diagnosed in 47.5% of thepatients. Pooled overall mortality was 19.1% (95% confidence interval [CI]; 12.7%-27.6%) and pooled mortality secondary to GIBwas 3.5% (95% CI; 1.3%–9.1%). The pooled risk of rebleeding was 11.3% (95% CI; 6.8%–18.4%). Conclusions: The majority of COVID-19 patients with GIB responded to conservative management, with a low mortalityrate associated with GIB and the risk of rebleeding. Thus, we suggest limiting endoscopic and IR interventions to those withhemodynamic instability and those for whom conservative management was unsuccessful.
The Relationship between Depression and Insomnia Symptoms Amongst a Sample of UK University Students
Umair Akram,asha akram,Maria Gardani,Antonia Ypsilanti,Kristofor McCarty,Sarah Allen,Lambros Lazuras 대한수면학회 2019 sleep medicine research Vol.10 No.1
Research exploring the relationship between mental health difficulties and insomnia amongst stu- dents in the UK remains limited. This study further examined the extent of potential relationships between insomnia, anxiety and depression symptoms amongst university students in the UK. A sample of 487 students from four northern universities completed The Insomnia Severity Index, SLEEP-50, and Hospital Anxiety and Depression Scales. Approximately one fifth of students expe- rienced mild to severe levels of depressive symptoms, and two thirds reported anxious symptoms. One quarter of students indicated insomnia symptoms in the clinical range, however the preva- lence of sleep-disorders other than insomnia remained low (< 5%). Finally, symptoms of insomnia and apnoea were significantly related to depression, after controlling for co-morbid anxiety. The current outcomes highlight the high prevalence of depressive and insomnia symptoms amongst university students in the UK. Considering the relationship between insomnia and depression, stu- dent-focused mental health services should explore the possibility of treating insomnia to circum- vent depression.
A Review of Large-Scale Hydropower Project in Public Sector of Pakistan
Umair, Muhammad,Choudhary, Muhammad Abbas,Jahanzaib, Mirza Korea Institute of Construction Engineering and Ma 2014 Journal of construction engineering and project ma Vol.4 No.4
Client organization inadequate project planning before awarding the contract and insufficient monitoring and control system among the parties involved create severe problems. Ultimately, large-scale projects go beyond the expected cost and time control limits. This paper discusses the major issues involved with a large-scale Hydropower Project in Pakistan Public Sector environment. The latest approved Baseline Plan of project was reviewed and analyzed using Variance Analysis and Trend Analysis techniques in Primavera project management software to assess the efforts made of the parties involved. It was found that Project is 202% Cost overrun and 25% time delays from original contract award. After analysis of baseline plan and quantification of various variance issues in impacted activities, the questionnaire survey was conducted to identify the impact of causative factors. There were almost 17 most significant causative factors identified among 60 identified factors and responsibilities are assigned accordingly. At the end recommendations are made for strategic decisions as lessons learned during project evaluation.
A Review of Structural Testing Methods for ASIC based AI Accelerators
Umair, Saeed,Irfan Ali, Tunio,Majid, Hussain,Fayaz Ahmed, Memon,Ayaz Ahmed, Hoshu,Ghulam, Hussain International Journal of Computer ScienceNetwork S 2023 International journal of computer science and netw Vol.23 No.1
Implementing conventional DFT solution for arrays of DNN accelerators having large number of processing elements (PEs), without considering architectural characteristics of PEs may incur overwhelming test overheads. Recent DFT based techniques have utilized the homogeneity and dataflow of arrays at PE-level and Core-level for obtaining reduction in; test pattern volume, test time, test power and ATPG runtime. This paper reviews these contemporary test solutions for ASIC based DNN accelerators. Mainly, the proposed test architectures, pattern application method with their objectives are reviewed. It is observed that exploitation of architectural characteristic such as homogeneity and dataflow of PEs/ arrays results in reduced test overheads.
Implementing Rule-based Healthcare Edits
( Umair Abdullah ),( Muhammad Shaheen ),( Farhan Sabir Ujager ) 한국인터넷정보학회 2022 KSII Transactions on Internet and Information Syst Vol.16 No.1
Automated medical claims processing and billing is a popular application domain of information technology. Managing medical related data is a tedious job for healthcare professionals, which distracts them from their main job of healthcare. The technology used in data management has a sound impact on the quality of healthcare data. Most of Information Technology (IT) organizations use conventional software development technology for the implementation of healthcare systems. The objective of this experimental study is to devise a mechanism for use of rule-based expert systems in medical related edits and compare it with the conventional software development technology. A sample of 100 medical edits is selected as a dataset to be tested for implementation using both technologies. Besides empirical analysis, paired t-test is also used to validate the statistical significance of the difference between the two techniques. The conventional software development technology took 254.5 working hours, while rule-based technology took 81 hours to process these edits. Rule-based technology outperformed the conventional systems by increasing the confidence value to 95% and reliability measure to 0.462 (which is < 0.5) which is three times more efficient than conventional software development technology.
( Umair Nadeem ),( Irfan Qadir ),( Jahanzeb Mazari ),( Atiq Uz Zaman ),( Amer Aziz ) 대한고관절학회 2021 Hip and Pelvis Vol.33 No.1
Purpose: Reduction and stable fixation of the quadrilateral plate are challenging primarily due to its location in the true pelvis, limited bone stock, juxta-articular nature, and its comminution. The current study aimed to investigate the quality of reduction and functional outcomes after open reduction and internal fixation (ORIF) with infrapectineal buttress plating of the quadrilateral surface via an anterior intrapelvic approach. Materials and Methods: We conducted a retrospective review of twenty-one patients with acetabular fractures involving quadrilateral plate operated at Ghurki Trust Teaching Hospital between January 2017 and December 2018. Radiological assessment of the quality of reduction was conducted using criteria described by Matta. Functional outcomes were evaluated using a modified Postel Merle d’Aubigné score. Results: The current study included 15 males and 6 females with a mean age of 40.67±12.17 years (range, 22- 62 years). The most common fracture pattern was anterior column and posterior hemi-transverse in eight patients followed by true bicolumn and T-type fractures in seven and four patients respectively. Both transverse fractures were transtectal. The quality of reduction according to Matta criteria was anatomical in 14 patients, imperfect in five and poor in two. Functional outcomes were excellent in 47.6% cases, good in 42.9%, and fair in 9.5% cases. Both patients with fair outcomes had non-anatomical reduction, and one required total hip arthroplasty at a later time. Conclusion: Quadrilateral plate reconstruction with an infrapectineal buttress plate applied though an anterior intrapelvic approach provides high rates of anatomical reduction and yields good functional outcomes.