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Treatment patterns of primary care physicians vs specialists prior to subspecialty urogynaecology referral for women suffering from pelvic floor disorders

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World Journal of Methodology 2019年第2期9卷 26-31页

作者： Abigail Prentice Ali Ahmad Bazzi muhammad faisal aslam Department of Family Medicine Marquette Health System Marquette MI 49855 United States Department of Obstetrics and Gynaecology St. John Hospital and Medical Center MI 48236 United States

BACKGROUND There are approximately 25% of women in the United States suffering from pelvic floor disorders (PFDs) and this number is predicted to rise. The potential complications and increasing healthcare costs that exist with an operation indicate the importance of conservative treatment options prior to attempting surgery. Considering the prevalence of PFDs, it is important for primary care physician and specialists (obstetricians and gynecologists) to be familiar with the initial work-up and the available conservative treatment options prior to subspecialist (urogynecologist) referral. AIM To assess the types of treatments that specialists attempted prior to subspecialty referral and determine the differences in referral patterns. METHODS This is a retrospective cohort study of 234 patients from a community teaching hospital referred to a single female pelvic medicine and reconstructive surgery (FPMRS) provider for PFD. Specialist vs primary care provider (PCP) referrals were compared. Number, length and treatment types were studied using descriptive statistics. RESULTS There were 184 referrals (78.6%) by specialists and 50 (21.4%) by PCP. Treatment (with Kegel exercises, pessary placements, and anticholinergic medications) was attempted on 51%(n = 26) of the PCP compared to 48%(n = 88) of the specialist referrals prior to FPMRS referral (P = 0.6). There was no significant difference in length of treatment prior to referral for PCPs vs specialists (14 mo vs 16 mo, respectively, P = 0.88). However, there was a significant difference in the patient’s average time with the condition prior to referral (35 mo vs 58 mo for PCP compared to specialist referrals)(P = 0.02). CONCLUSION One half of the patients referred to FPMRS clinic received treatment prior to referral. Thus, specialists and generalists can benefit from education regarding therapies for PFD before subspecialty referral.

关键词： Pelvic floor disorders Referral patterns Female pelvic medicine and reconstructive surgery Primary care provider

Analysis of b→cτν¯_(τ)anomalies using weak effective Hamiltonian with complex couplings and their impact on various physical observables

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Chinese Physics C 2024年第8期48卷 56-75页

作者： muhammad Arslan Tahira Yasmeen Saba Shafaq Ishtiaq Ahmed muhammad Jamil aslam Department of Physics Quaid-i-Azam UniversityIslamabad 45320Pakistan Department of Physics International Islamic UniversityIslamabad 44000Pakistan National Center for Physics Islamabad 44000Pakistan

Recently,the experimental measurements of the branching ratios and different polarization asymmetries for processes occurring through flavor-changing-charged current(b→cτν¯_(τ))transitions by BABAR,Belle,and LHCb have revealed some significant differences from the corresponding Standard Model(SM)*** has triggered an interest to search for physics beyond the SM in the context of various new physics(NP)models and using the model-independent weak effective Hamiltonian(WEH).Assuming left-handed neutrinos,we add the dimension-six vector,(pseudo-)scalar,and tensor operators with complex Wilson coefficients(WCs)to the SM *** 60%,30%,and 10%constraints resulting from the branching ratio of B_(c)→τν¯_(τ),we reassess the parametric space of these new physics WCs accommodating the current anomalies based on the most recent HFLAV data of R_(τ/μ,e)(D)and R_(τ/μ,e)(D^(*))and Belle data of F_(L)(D^(*))and P_(τ)(D^(*)).We find that the allowed parametric region of left-handed scalar couplings strongly depends on the constraints of the B_(c)→τν¯_(τ)branching ratio,and the maximum pull from the SM predictions results from the<60%branching ratio ***,the parametric region changes significantly if we extend the analysis by adding LHCb data of R_(τ/μ)(J/ψ)and R_(τ/ℓ)(Λ_(c)).Furthermore,due to the large uncertainties in the measurements of R_(τ/μ)(J/ψ)and R_(τ/ℓ)(X_(c)),we derive the sum rules which complement them with R_(τ/μ,e)(D)and R_(τ/μ,e)(D^(*)).Using the best-fit points of the new complex WCs along with the latest measurements of R_(τ/μ,e)(D(^(*))),we predict the numerical values of the observable R_(τ/ℓ)(Λ_(c)),R_(τ/μ)(J/ψ),and R_(τ/ℓ)(X_(c))from the sum *** simultaneous dependence of abovementioned physical observables on the NP WCs is established by plotting their correlation with R_(D) and R_(D^(*)),which are useful to discriminate between various NP *** find that the most significant impact of NP results from the WC C^(S)_(L)=4C^(T).Fi

关键词： B meson anomalies new physics complex coupling HFLAV

Urinary tract injury during hysterectomy:Does surgeon specialty and surgical volume matter?

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World Journal of Methodology 2023年第2期13卷 18-25页

作者： Emilee Khair Fareeza Afzal Sanjana Kulkarni Beaux Duhe' Karen Hagglund muhammad faisal aslam Department of Obstetrics and Gynecology Ascension St JohnDetroitMI 48236United States Department of Obstetrics and Gynecology St.George's University School of MedicineGreat RiverNY 11739United States Department of Medical Research Ascension St JohnDetroitMI 48236United States

BACKGROUND Ureteral injury is a known complication of *** studies have attempted to correlate surgeon volume and experience with incidence of urinary tract injuries during *** studies have reported that as surgeon volume increases,urinary tract injury rates *** our knowledge,no studies have assessed the relationship between surgeon subspecialty and the rate of urinary tract injury rates during minimally invasive *** To determine the incidence of urinary tract injury between urogynecologists,gynecologic oncologists,and general *** The study took place from January 1,2016 to December 1,2021 at a large comm-unity hospital in Detroit,*** conducted a retrospective chart review of adult patients who underwent minimally invasive *** we identified eligible patients,the surgeon subspecialty was identified and the surgeon’s volume per year was *** demographics,medical history,physician-dictated operative reports,and all hospital visits postoperatively were *** Urologic injury occurred in four patients(2%)in the general gynecologist group,in one patient(1%)in the gynecologic oncologist group,and in one patient(1%)in the urogynecologist *** comparing high and low-volume surgeons,there was no statistically significant difference in urinary tract injury(1%vs 2%)or bowel injury(1%vs 0%).There were more complications in the low-volume group vs the high-volume group excluding urinary tract,bowel,or major vessel ***-volume surgeons had four(1%)patients with a complication and low-volume surgeons had 12(4%)patients with a complication(P=0.04).CONCLUSION Our study demonstrated that there was no difference in the urinary tract injury rate in general gynecologists vs subspecialists,however our study was underpowered.

关键词： Minimally invasive hysterectomy Urinary tract injury Surgeon volume High volume gynecologist Low volume gynecologist

Robust design of sliding mode control for airship trajectory tracking with uncertainty and disturbance estimation

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Journal of Systems Engineering and Electronics 2024年第1期35卷 242-258页

作者： WASIM muhammad ALI Ahsan CHOUDHRY Mohammad Ahmad SHAIKH Inam Ul Hasan SALEEM faisal Department of Aeronautics and Astronautics Engineering Institute of Space TechnologyIslamabad 44000Pakistan Department of Electrical Engineering University of Engineering and TechnologyTaxila 47080Pakistan Department of Measurements and Control Systems Silesian University of TechnologyGliwice 44-101Poland The Joint Doctoral School Silesian University of TechnologyGliwice 44-100Poland

The robotic airship can provide a promising aerostatic platform for many potential *** applications require a precise autonomous trajectory tracking control for *** has a nonlinear and uncertain *** is prone to wind disturbances that offer a challenge for a trajectory tracking control *** paper addresses the airship trajectory tracking problem having time varying reference path.A lumped parameter estimation approach under model uncertainties and wind disturbances is opted against distributed *** uses extended Kalman filter(EKF)for uncertainty and disturbance *** estimated parameters are used by sliding mode controller(SMC)for ultimate control of airship trajectory *** comprehensive algorithm,EKF based SMC(ESMC),is used as a robust solution to track airship *** proposed estimator provides the estimates of wind disturbances as well as model uncertainty due to the mass matrix variations and aerodynamic model *** stability and convergence of the proposed method are investigated using the Lyapunov stability *** simulation results show that the proposed method efficiently tracks the desired *** method solves the stability,convergence,and chattering problem of SMC under model uncertainties and wind disturbances.

关键词： airship chattering extended Kalman filter(EKF) model uncertainties estimation sliding mode controller(SMC)

Carbon Dioxide （CO2） Hydrogenation with Cerium Oxide-Based Composite

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Carbon Dioxide （CO2） Hydrogenation with Cerium Oxide-Based...

作者： muhammad Usman aslam（乌斯曼）中国石油大学(北京)

学位级别：硕士

Cerium oxide（CeO）based catalyst have emerged as promising materials for the catalytic hydrogenation of carbon dioxide（CO）,a vital process in the quest to mitigate climate change and produce valuable chemicals and *** provides a critical development in CeO-based catalysts for *** unique specification of CeO,such as high oxygen storage capacity,redox properties,and surface oxygen vacancies,make it an excellent candidate for *** interplay between CeOand COpromotes the activation of CO,facilitating its conversion to valuable ***,the synergistic effects of metal nanoparticles,typically supported on CeO,further enhance catalytic *** crucial factors influencing CeO-based catalyst activity include metal loading,type,support morphology,and reaction *** highlights the various reaction pathways,such as the hydrogenation of carbon dioxide（CO）to methane（CH）and Ethane（CH）,elucidating the role of CeOin promoting specific product ***,the abstract touches upon the challenges and prospects of CeO-based catalysts for COhydrogenation,including catalyst stability,poisoning,and potential applications in renewable energy and chemical *** techniques,such as advanced characterization methods and catalyst design,are essential to address these challenges and unlock the full potential of CeO-based *** conclusion,CeO-based catalysts have shown great promise in COhydrogenation,with their exceptional properties and tenability offering a path towards sustainable carbon *** R&D in this area is essential to harness the full potential of CeO-based catalysts and contribute to a greener and more sustainable future.

关键词： Carbon dioxide Cerium oxide hydrogenation Thermal catalysis Photo catalysis Conversion Selectivity Yield

Construction of robust and durable Cu_(2)Se-V_(2)O_(5) nanosheet electrocatalyst for alkaline oxygen evolution reaction

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Frontiers of Chemical Science and Engineering 2024年第6期18卷 71-83页

作者： Tauseef Munawar Ambreen Bashir Khalid Mujasam Batoo Saman Fatima faisal Mukhtar Sajjad Hussain Sumaira Manzoor muhammad Naeem Ashiq Shoukat Alim Khan Muammer Koc faisal Iqbal Institute of Physics The Islamia University of BahawalpurBahawalpur 63100Pakistan King Abdullah Institute for Nanotechnology King Saud UniversityRiyadh 11451Saudi Arabia Hybrid Materials Center(HMC) Sejong UniversitySeoul 05006Republic of Korea Department of Nanotechnology and Advanced Materials Engineering Sejong UniversitySeoul 05006Republic of Korea Institute of Chemical Sciences Bahauddin Zakariya UniversityMultan 60800Pakistan Division of Sustainable Development College of Science and EngineeringHamad Bin Khalifa UniversityQatar FoundationDoha 34110Qatar

Reducing the production costs of clean energy carriers such as hydrogen through scalable water electrolysis is a potential solution for advancing the hydrogen *** the various material candidates,our group demonstrated transition-metal-based materials with tunable electronic characteristics,various phases,and ***,electrochemical water oxidation using Cu_(2)Se-V_(2)O_(5) as a non-precious metallic electrocatalyst via a hydrothermal approach is *** water-splitting performance of all the fabricated electrocatalysts was evaluated after direct growth on a stainless-steel *** electrochemically tuned Cu_(2)Se-V_(2)O_(5) catalyst exhibited a reduced overpotential of 128 mV and provided a reduced Tafel slope of 57 mV·dec^(−1) to meet the maximum current density of 250 mA·cm^(−2).The optimized strategy for interfacial coupling of the fabricated Cu_(2)Se-V_(2)O_(5) catalyst resulted in a porous structure with accessible active sites,which enabled adsorption of the intermediates and afforded an effective charge transfer rate for promoting the oxygen evolution ***,the combined effect of the catalyst components provided long-term stability for over 110 h in an alkaline solution,which makes the catalyst promising for large-scale practical *** aforementioned advantages of the composite catalyst overcome the limitations of low conductivity,agglomeration,and poor stability of the pure catalysts(Cu2Se and V2O5).

关键词： oxygen evolution reaction Cu_(2)Se-V_(2)O_(5)composite nanosheets metal-diffused ions accessible adsorption sites

Analysis of b→cτ■ anomalies using weak effective Hamiltonian with complex couplings and their impact on various physical observables

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Chinese Physics C 2024年第8期 59-78页

作者： muhammad Arslan Tahira Yasmeen Saba Shafaq Ishtiaq Ahmed muhammad Jamil aslam Department of Physics Quaid-i-Azam University Department of Physics International Islamic University National Center for Physics

Recently,the experimental measurements of the branching ratios and different polarization asymmetries for processes occurring through flavor-changing-charged current（b→cτvτ）transitions by BABAR,Belle,and LHCb have revealed some significant differences from the corresponding Standard Model（SM） *** has triggered an interest to search for physics beyond the SM in the context of various new physics（NP） models and using the model-independent weak effective Hamiltonian（WEH）.Assuming left-handed neutrinos,we add the dimension-six vector,（pseudo-）scalar,and tensor operators with complex Wilson coefficients（WCs） to the SM *** 60%,3 0%,and 10% constraints resulting from the branching ratio of Bc→τvτ,we reassess the parametric space of these new physics WCs accommodating the current anomalies based on the most recent HFLAV data of Rτ/μ,e（D） and Rτ/μ,e（D*） and Belle data of FL（D*） and Pτ（D*）.We find that the allowed parametric region of lefthanded scalar couplings strongly depends on the constraints of the Bc→τvτbranching ratio,and the maximum pull from the SM predictions results from the <60% branching ratio ***,the parametric region changes significantly if we extend the analysis by adding LHCb data of Rτ/μ（J/ψ） and Rτ/l（Λc）.Furthermore,due to the large uncertainties in the measurements of Rτ/μ（J/ψ） and Rτ/l（Xc）,we derive the sum rules which complement them with Rτ/μ,e（D） and Rτ/μ,e（D*）.Using the best-fit points of the new complex WCs along with the latest measurements of Rτ/μ,e(D（*）),we predict the numerical values of the observable Rτ/l（Λc）,Rτ/μ（J/ψ）,and Rτ/l（Xc） from the sum *** simultaneous dependence of abovementioned physical observables on the NP WCs is established by plotting their correlation with RDand RD*,which are useful to discriminate between various NP *** find that the most significant impact of NP results from the WC CLS=***,we study the impact of these NP couplings on various angular and CP triple product asym

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Contrast Normalization Strategies in Brain Tumor Imaging:From Preprocessing to Classification

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Computer Modeling in Engineering & Sciences 2024年第8期140卷 1539-1562页

作者： Samar M.Alqhtani Toufique A.Soomro faisal Bin Ubaid Ahmed Ali muhammad Irfan Abdullah A.Asiri Department of Information Systems College of Computer Science and Information SystemsNajran UniversityNajran61441Saudi Arabia Department of Electronic Engineering The University of LarkanoLarkanaSindh75660Pakistan Computer Science Department Sukkur IBA UniversitySukkurSindh65200Pakistan Eletrical Engineering Department Sukkur IBA UniversitySukkurSindh65200Pakistan Electrical Engineering Department College of EngineeringNajran UniversityNajran61441Saudi Arabia Radiological Sciences Department College of Applied Medical SciencesNajran UniversityNajran61441Saudi Arabia

Cancer-related to the nervous system and brain tumors is a leading cause of mortality in various *** resonance imaging(MRI)and computed tomography(CT)are utilized to capture brain *** plays a crucial role in the diagnosis of brain tumors and the examination of other brain ***,manual assessment of MRI images by radiologists or experts is performed to identify brain tumors and abnormalities in the early stages for timely ***,early diagnosis of brain tumors is intricate,necessitating the use of computerized *** research introduces an innovative approach for the automated segmentation of brain tumors and a framework for classifying different regions of brain *** proposed methods consist of a pipeline with several stages:preprocessing of brain images with noise removal based on Wiener Filtering,enhancing the brain using Principal Component Analysis(PCA)to obtain well-enhanced images,and then segmenting the region of interest using the Fuzzy C-Means(FCM)clustering technique in the third *** final step involves classification using the Support Vector Machine(SVM)*** classifier is applied to various types of brain tumors,such as meningioma and pituitary tumors,utilizing the Contrast-Enhanced Magnetic Resonance Imaging(CE-MRI)*** proposed method demonstrates significantly improved contrast and validates the effectiveness of the classification framework,achieving an average sensitivity of 0.974,specificity of 0.976,accuracy of 0.979,and a Dice Score(DSC)of ***,this method exhibits a shorter processing time of 0.44 s compared to existing *** performance of this method emphasizes its significance when compared to state-of-the-art methods in terms of sensitivity,specificity,accuracy,and *** enhance the method further in the future,it is feasible to standardize the approach by incorporating a set of classifiers to increase the robustness of the brain classi

关键词： Brain tumor magnetic resonance imaging principal component analysis fuzzy c-clustering support vector machine

Decreased incidence of febrile neutropenia in Michigan following masking and social distancing orders for the COVID-19 pandemic: A population based cohort study

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World Journal of Clinical Oncology 2022年第7期13卷 609-615页

作者： Michael Gerard Baracy Jr Karen Hagglund Sanjana Kulkarni Fareeza Afzal Katherine Arends Robert T.Morris Leigh Ann Solomon muhammad faisal aslam Logan Corey Department of Obstetrics and Gynecology Ascension St.John HospitalDetroitMI 48236United States Medical Research Ascension St John Hospital and Medical CenterDetroitMI 48236United States Surveillance and Infectious Disease Epidemiology Section Michigan Department of Health and Human ServicesLansingMI 48933United States Department of Obstetrics and Gynecology Wayne State University School of MedicineKarmanos Cancer InstituteDetroitMI 48201United States Female Pelvic Medicine and Reconstructive Surgery Ascension St.John HospitalDetroitMI 48236United States Department of Gynecologic Oncology Wayne State UniversityDetroitMI 48202United States

BACKGROUND It has been theorized that 75%-80%of febrile neutropenia(FN)is caused by endogenous pathogens,while up to 20%of cases are thought to be caused by a viral *** is unknown if precautions such as masking and social distancing reduce the risk of FN in susceptible *** To determine whether coronavirus disease 2019(COVID-19)infection mitigation efforts,namely masking and social distancing,were associated with a reduction in the incidence of *** This was a retrospective population based cohort study comparing the incidence of FN in the 13 mo prior to(Year 0)and 13 mo following(Year 1)the public health executive orders(PHEO)in *** was queried for all emergency department(ED)visits from April 1,2019 to March 31,2021 from the National Syndromic Surveillance Program,a program which collects data that is voluntarily submitted by approximately 89%of Michigan *** primary study outcome was the incidence of FN as a proportion of ED visits in the 13-mo before and 13-mo after COVID-19 mitigations efforts,namely masking and social *** hypothesized that there would be a significant decrease in the incidence of FN in the period following the PHEO aimed at reducing the spread of the severe acute respiratory syndrome coronavirus 2 *** There was a total of 8979221 total ED visits captured during the study *** Year 0 there were 5073081 recorded ED visits and 3906140 in Year *** was a significant reduction in the proportion of total ED visits with a diagnosis of FN,decreasing 13.3%across periods(0.15%vs 0.13%,P=0.036).In patients with a hematologic malignancy a more impressive reduction in the incidence of FN was evident following PHEO(22%vs 17%,P=0.02).CONCLUSION We found a significant association between social distancing and mask guidelines implemented on a large public scale with decreased rates of FN,particularly in those with a hematologic *** findings may be useful in the design of future res

关键词： Febrile neutropenia COVID-19 SARS-CoV-2 Malignancy Hematology Public health