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Persistent currents of ultrarelativistic plasma-encased endofullerene molecules entrapping a H atom

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Communications in Theoretical Physics 2024年第6期76卷 148-164页

作者： Mustafa kemal Bahar Department of Physics Faculty of ScienceSivas Cumhuriyet University58140SivasTurkey

In this work,for the first time in the relevant literature,the persistent currents(PC)and induced magnetic fields(IMF)of an endofullerene molecule entrapping a hydrogen atom,under spherical confinement,are *** endofullerene molecule is enclosed within a spherical region and embedded in a plasma *** plasma environment is depicted with the more general exponential cosine screened Coulomb potential,and its relevant effects are analyzed by considering plasma screening *** relevant model for endohedral confinement is the Woods-Saxon confinement potential,which is compatible with experimental *** effects of various forms of Cn are thoroughly elucidated via the analysis of the confinement depth,spherical shell thickness,the inner radius,and the smoothing *** find the bound states in the spherically confined endofullerene,the decoupling of the second-order Dirac equation for the large and small components of the radial atomic wave functions is *** Dirac equation with the interaction potential is solved numerically by using the Runge-Kutta-Fehlberg method via the decoupling *** influence of spin orientations on the PC and IMF is also *** effects of spherical confinement,plasma shielding,and the structural properties of the fullerene on the PC and IMF are thoroughly ***,under given physical conditions,the optimal ranges of these effects are determined.

关键词： quantum plasma endohedral fullerene persistent current ultrarelativistic interaction induced magnetic field

Complementary comments on metastatic liver lesions with exceptional and rare cases

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World Journal of Gastroenterology 2024年第7期30卷 770-773页

作者： kemal Bugra Memis Sonay Aydin Department of Radiology Erzincan Binali Yıldırım UniversityFaculty of MedicineErzincan 24000Turkey

Liver metastases can appear in different forms in magnetic resonance *** to popular belief,while radiologists report hypovascular or hypervascular metastatic lesions,exceptional examples may be detected in various *** aim of this article is to improve this review by presenting rare and atypical examples of liver metastasis,as well as cases that might potentially be misdiagnosed as metastases during the process of differential diagnosis.

关键词： Hepatic lesions Magnetic resonance imaging Liver metastases Echinococcus alveolaris Prostate adenocarcinoma Appendix neuroendocrine tumor

Knowledge, attitudes, and practices regarding Covid-19 and their relationship with Covid-19 booster vaccination status among women with infertility

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Asian pacific Journal of Reproduction 2024年第2期13卷 68-75页

作者： Gita Pratama Mila Maidarti Kanadi Sumapradja Achmad kemal Harzif Natasha Talya Kevin Ezekia Irfan Arieqal Hatta Ampri Reproductive Immunoendocrinology Division Department of Obstetrics and GynecologyFaculty of Medicine Universitas Indonesia-dr.Cipto Mangunkusumo General HospitalJakartaIndonesia Yasmin IVF Clinic dr.Cipto Mangunkusumo General Hospital JakartaIndonesia Human Reproduction Infertilityand Family Planning ClusterIndonesia Reproductive Medicine Research and Training CenterFaculty of MedicineUniversitas IndonesiaJakarta 10430Indonesia Department of Obstetrics and Gynecology Faculty of Medicine Universitas Indonesia-dr.Cipto Mangunkusumo General HospitalJakartaIndonesia

Objective:To elucidate the relationship among knowledge,attitudes,and practices regarding Covid-19 and their relationship with booster vaccination status among women with ***:This questionnaire-based cross-sectional study was performed online and offline among women with infertility who visited an infertility clinic in Jakarta,*** assessed the patient’s knowledge,attitudes,and practices regarding Covid-19 and their relationship with booster vaccination status and sociodemographic ***:A total of 178 subjects participated in this study,and most participants(92.6%)had received booster Covid-19 *** the questionnaire,74.2%had good knowledge,and 99.4%had good attitudes regarding Covid-19;however,only 57.9%of patients had good practices.A weak positive correlation existed between knowledge and attitudes(r=0.11,P=0.13)and a moderate negative correlation between attitudes and practices(r=-0.44,P=0.56).Participants’knowledge about vaccines and infertility was correlated with booster vaccination status(P=0.04).Academic background(P=0.01)and attitudes(P=0.01)were also correlated with booster vaccination *** significant determinants of hesitance of receiving Covid-19 booster vaccines were high school education or below(OR=0.08,95%CI 0.02-0.36)and poor practices(OR=0.21,95%CI 0.05-0.95).Conclusions:The majority of the participants had received the Covid-19 booster vaccine and had good knowledge and attitudes but poor practices regarding *** participants had poor knowledge about the relationship between infertility and the Covid-19 *** general population should be more informed and reminded about practices to prevent Covid-19 and the relationship between vaccination and fertility to increase the number of people who receive Covid-19 booster vaccines.

关键词： Covid-19 Booster vaccine Infertility Knowledge Attitude Practice Human reproduction Pandemic

Imaging features and management of focal liver lesions

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World Journal of Radiology 2024年第6期16卷 139-167页

作者： Gökhan Kahraman kemal Murat Haberal Osman Nuri Dilek Department of Radiology Suluova State HospitalAmasya 05500Türkiye Department of Radiology Başkent University Faculty of MedicineAnkara 06490Türkiye Department of Surgery İzmir Katip Celebi UniversitySchool of Medicineİzmir 35150Türkiye

Notably,the number of incidentally detected focal liver lesions(FLLs)has increa-sed dramatically in recent years due to the increased use of radiological *** diagnosis of FLLs can be made through a well-documented medical history,physical examination,laboratory tests,and appropriate imaging *** benign FLLs are more common than malignant ones in adults,even in patients with primary malignancy,accurate diagnosis of incidental FLLs is of utmost clinical *** clinical practice,FLLs are frequently evaluated non-invasively using ultrasound(US),computed tomography(CT),and magnetic resonance imaging(MRI).Although US is a cost-effective and widely used imaging method,its diagnostic specificity and sensitivity for FLL characterization are *** are primarily characterized by obtaining enhancement patterns through dynamic contrast-enhanced CT and *** is a problem-solving method with high specificity and sensitivity,commonly used for the evaluation of FLLs that cannot be characterized by US or *** technical advancements in MRI,along with the use of hepatobiliary-specific MRI contrast agents,have significantly improved the success of FLL characterization and reduced unnece-ssary *** American College of Radiology(ACR)appropriateness criteria are evidence-based recommendations intended to assist clinicians in selecting the optimal imaging or treatment option for their *** Appropriateness Criteria Liver Lesion-Initial Characterization guideline provides recommend-ations for the imaging methods that should be used for the characterization of incidentally detected FLLs in various clinical *** American College of Gastroenterology(ACG)Clinical Guideline offers evidence-based recommend-ations for both the diagnosis and management of *** Association for the Study of Liver Diseases(AASLD)Practice Guidance provides an approach to the diagnosis and management of patients with hepatocellular *** th

关键词： Focal liver lesions Imaging Ultrasonography Computed tomography Magnetic resonance imaging Management

Innovations in endoscopic ultrasound for portal hypertension and its role in managing complications in clinical practice:Lessons learned from a tertiary referral public hospital

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Portal Hypertension & Cirrhosis 2024年第1期3卷 31-35页

作者： Cosmas R.A.Lesmana kemal F.Kalista Saut H.H.Nababan Juferdy Kurniawan Chyntia O.M.Jasirwan Andri S.Sulaiman Irsan Hasan Rino A.Gani Department of Internal Medicine Hepatobiliary DivisionDr.Cipto Mangunkusumo National General HospitalMedical Faculty Universitas IndonesiaJakartaIndonesia Digestive Disease&GI Oncology Center Medistra HospitalJakartaIndonesia Gastrointestinal Cancer Center MRCCC Siloam Semanggi HospitalJakartaIndonesia

Portal hypertension(PH)poses significant *** paper presents an innovative study on the utilization of endoscopic ultrasound(EUS)for both the diagnosis and management of *** at *** Mangunkusumo National General Hospital in Jakarta,this retrospective case series included patients diagnosed with PH through clinical examination,imaging evaluation,and *** criteria comprised a history of reduced blood consumption within the last 5 days,hepatocellular carcinoma,massive ascites,or elevated international normalized ratio(>1.4).EUS-guided portal pressure gradient(PPG)measurements were performed using an innovative standard *** study involved 15 patients,with 14 having liver cirrhosis and 1 diagnosed with Budd–Chiari *** them,nine patients experienced bleeding due to gastroesophageal *** and large esophageal varices were identified in four and eight patients,*** varices type 1 were observed in two patients,and type 2 in four *** gastric fundal varices type 1 were present in one *** on EUS-PPG measurements,14 patients exhibited clinically significant portal *** patients underwent endoscopic band ligation and three underwent EUS-guided cyanoacrylate injection during the same session as the EUS-PPG measurement ***,no adverse events,such as abdominal pain,perforation,or bleeding were observed during or after the *** emerges as a promising and accurate tool for both diagnosis and management.

关键词： cyanoacrylate injection endoscopic ultrasound liver cirrhosis portal hypertension portal pressure gradient

Impact of central venous port implantation method and access choice on outcomes

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World Journal of Clinical Cases 2023年第1期11卷 116-126页

作者： Ayhan Erdemir Huseyin kemal Rasa Department of General Surgery Anadolu Medical CenterKocaeli 41400Turkey Department of General Surgery Anadolu Medical Center HospitalKocaeli 41400Turkey

BACKGROUND Although the number of patients who need central venous ports for permanent vascular access is increasing,there is still no“gold standard”for the implantation *** To identify the implantation technique that should be *** Two hundred central venous port-implanted patients in a tertiary hospital were retrospectively *** were assigned into two groups according to the access *** first group comprised patients whose jugular veins were used,and the second group comprised patients whose subclavian veins were *** were evaluated regarding age,sex,application side,primary diagnosis,active follow-up period in the hospital,chemotherapy agents administered,number of complications,and the Clavien-Dindo severity *** distribution of the variables was tested with the Kolmogorov-Smirnov test and the Mann-Whitney U ***χ^(2) test was used to analyze the *** There was no statistically significant difference between the groups regarding age,sex,side,number of chemotherapy drugs,and duration of port usage(P>0.05).Only 2 patients in group 1 had complications,whereas in group 2 we observed 19 patients with complications(P<0.05).No port occlusion was found in group 1,but the catheters of 4 patients were occluded in group *** port was infected in group 1 compared to three infected ports in group *** port ruptures,two pneumothorax,one revision due to a mechanical problem,one tachyarrhythmia during implantation,and four suture line problems were also recorded in group 2 *** also showed that it would be sufficient to evaluate and wash ports once every 2 *** Our results robustly confirm that the jugular vein route is safer than the subclavian vein approach for central venous port implantation.

关键词： Permanent vascular access Central venous ports Central venous port implantation methods Jugular vein route Subclavian vein approach Impact of implantation method on outcomes

Contemporary minimal invasive surgical management of stones in children

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Asian Journal of Urology 2023年第3期10卷 239-245页

作者： Rasim Guzel Umit Yildirim kemal Sarica Department of Urology Medistate Kavacık HospitalIstanbulTurkey Department of Urology Medical SchoolKafkas UniversityKarsTurkey Department of Urology Medical SchoolBiruni UniversityIstanbulTurkey

Objective:Pediatric urolithiasis has been more common over the past 20 years,and urologists have unique challenges in managing it surgically because this particular demographic is recognized as one of the high-risk categories for stone *** this reality,care focuses on maintaining renal function,achieving total stone-free status,and most importantly avoiding stone *** this presented article,we aimed to make a comprehensive review of the current minimally invasive treatment of pediatric kidney stone ***:We evaluated the results of 74 studies following a comprehensive PubMed search till February *** article was written by making use of current urology ***:Considering the reported occurrence of metabolic issues in up to 50%of cases in addition to the anatomic anomalies(about 30%of cases),the treatment of pediatric urolithiasis necessitates a full metabolic and urological examination on an individual *** management of metabolic imbalances and obstructive diseases is *** addition to encouraging proper fluid consumption,it is advisable to improve urine volume and consider using medical therapeutics to raise urinary citrate *** location,content,and size of the stone(s),the morphology of the collecting system,the presence of urinary tract infection,as well as the presence of any obstruction,should all be taken into consideration while deciding on the best surgical ***:All modern endourological methods are now used in the safe and efficient care of pediatric urolithiasis as a consequence of the obvious advancements in instrument technology and expanding expertise derived from adult *** minimally invasive procedures,such as ureterorenoscopy and percutaneous nephrolithotomy,require more expertise and can be successfully applied with careful management for an excellent stone-free rate with minimal *** these procedures,shock wave lithotripsy is still the first ch

关键词： Urinary calculi Shock wave lithotripsy Percutaneous nephrolithotomy Ureteroscopy

Management of diabetic foot ulcers and the challenging points:An endocrine view

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World Journal of Diabetes 2022年第1期13卷 27-36页

作者： Hakan Doğruel Mustafa Aydemir Mustafa kemal Balci Division of Endocrinology and Metabolism Department of Internal MedicineAkdeniz University HospitalKonyaaltı07059AntalyaTurkey Division of Endocrinology and Metabolism Department of Internal MedicineAkdeniz University Faculty of MedicineKonyaaltı07059AntalyaTurkey

Diabetic foot ulcers(DFU)are one of the most challenging complications of *** to one-third of patients with diabetes mellitus(DM)may suffer from DFUs during their *** is one of the leading causes of morbidity in patients with *** treatment period is challenging,and the recurrence rate of DFUs is ***,establishing prevention strategies is the most important point to be emphasized.A multidisciplinary approach is necessary in the prevention and treatment of *** at risk should be identified,and prevention measures should be taken based on the risk *** a DFU is formed,the appropriate classification and evidence-based treatment interventions should be *** control,diagnosis and treatment of vascular disease,local wound care,diagnosis,and treatment of infection should be addressed along with the proper evaluation and management of general health status.

关键词： Diabetic foot Diabetic foot ulcer Amputation Diabetic foot infection

Mortal condition in an unusual localization,analysis of isolated tongue and tongue base abscesses

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World Journal of Clinical Cases 2023年第32期11卷 7778-7784页

作者： kemal Koray Bal Harun Gür Ibrahim Demir Onur Ismi Yusuf Vayisoglu kemal Gorur Cengiz Ozcan Murat Unal Department of Otorhinolaryngology Mersin UniversityMersin 33160MersinTurkey

BACKGROUND Tongue abscess(TA)is a very rare clinical condition and its treatment is very *** drainage is at the forefront in the *** study includes patients with tongue and tongue base *** To discuss the clinical and laboratory findings of these patients emphasizing the underlying causes and treatment options with the largest patient series in the English *** We included patients with isolated TA who applied to our clinic between January 1,2020 and January 1,*** who lack the recorded data,those who are not between the ages of 18-66,those who have not undergone surgery-interventional procedure,and those who have infection and/or abscess in another place were excluded from the *** There were two female(18%)and nine male(82%)patients in our series consisting of 11 *** ages ranged from 18 to 66,and the mean±SD was 48.63±*** the localization of the abscess,three anterior abscesses(27%),two lateral abscesses(18%),and six abscesses at the base of the tongue(54%)were *** Tongue abscesses can cause acute upper airway obstruction and respiratory *** may be necessary to act quickly for the tracheotomy procedure and this procedure can usually be performed under local anesthesia as intubation cannot be *** we encounter an abscess in an unexpected organ,difficulties may be encountered in the management of the patient.

关键词： Tongue Abscess Neutrophils Blood platelets Lymphocytes