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Sodium and water perturbations in patients who had an acute stroke:clinical relevance and management strategies for the neurologist

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Stroke & Vascular Neurology 2022年第3期7卷 258-266页

作者： kevin c j yuen Valerie Sharf Elizabeth Smith Minhwan Kim Alissya S M yuen Paul R MacDonald Departments of Neuroendocrinology and Neurosurgery Barrow Neurological InstitutePhoenixArizonaUSA University of Arizona college of Medicine and creighton School of Medicine PhoenixArizonaUSA Department of Neurology Barrow Neurological InstitutePhoenixArizonaUSA Midwestern University GlendaleIllinoisUSA creighton University School of Medicine PhoenixArizonaUSA University of california Davis DavisCaliforniaUSA

Sodium and water perturbations,manifesting as hyponatraemia and hypernatraemia,are common in patients who had an acute stroke,and are associated with worse outcomes and increased *** non-stroke related causes of sodium and water perturbations in these patients include underlying comorbidities and concomitant ***,hospitalised patients who had an acute stroke may receive excessive intravenous hypotonic solutions,have poor fluid intake due to impaired neurocognition and consciousness,may develop sepsis or are administered drugs(eg,mannitol);factors that can further alter serum sodium *** and water perturbations can also be exacerbated by the development of endocrine consequences after an acute stroke,including secondary adrenal insufficiency,syndrome of inappropriate antidiuretic hormone secretion and diabetes ***,cOVID-19 infection has been reported to increase the risk of development of sodium and water perturbations that may further worsen the outcomes of patients who had an acute *** there are currently no accepted consensus guidelines on the management of sodium and water perturbations in patients who had an acute stroke,we conducted a systematic review of the literature published in English and in peer-reviewed journals between january 2000 and December 2020,according to PRISMA guidelines,to assess on the current knowledge and clinical practices of this *** this review,we discuss the signs and symptoms of hyponatraemia and hypernatraemia,the pathogenesis of hyponatraemia and hypernatraemia,their clinical relevance,and we provide our recommendations for effective treatment strategies for the neurologist in the management of sodium and water perturbations in commonly encountered aetiologies of patients who had an acute stroke.

关键词： patients impaired consequences

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Multinuclear MR and MRI study of lithium-ion cells using a variable field magnet and a fixed frequency RF probe

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Magnetic Resonance Letters 2024年第1期4卷 10-20页

作者： Andrés Ramírez Aguilera Florin Marica kevin j.Sanders Md Al Raihan c.Adam Dyker Gillian R.Goward Bruce *** UNB MRI centre Department of PhysicsUniversity of New BrunswickFrederictonNew BrunswickE3B 5A3Canada Department of chemistry McMaster UniversityHamiltonOntarioL8S 4L8Canada Department of chemistry University of New BrunswickFrederictonNew BrunswickE3B 5A3Canada

An exploratory multinuclear magnetic resonance(MR)and magnetic resonance imaging(MRI)study was performed on lithium-ion battery cells with ^(7)Li,^(19)F,and ^(1)H measurements.A variable field superconducting magnet with a fixed frequency parallel-plate radiofrequency(RF)probe was employed in the *** magnetic field was changed to set the resonance frequency of each nucleus to the fixed RF probe frequency of 33.7 *** cartridge-like lithium-ion cells,with graphite anodes and LiNi_(0.5)Mn_(0.3)co_(0.2)O_(2)(NMc)cathodes,were *** cell was pristine,and one was charged to a cell voltage of 4.2 *** results presented demonstrate the great potential of the variable field magnet approach in multinuclear measurement of lithium-ion *** methods open the door for developing faster and simpler methods for detecting,quantifying,and interpreting MR and MRI data from lithium-ion and other batteries.

关键词： Multinuclear MR/MRI Variable field magnet Lithium-ion battery Parallel-plate rf probe

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The evolving roles of Wnt signaling in stem cell proliferation and differentiation, the development of human diseases, and therapeutic opportunities

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Genes & Diseases 2024年第3期11卷 155-187页

作者： Michael Yu kevin Qin jiaming Fan Guozhi Zhao Piao Zhao Wei Zeng connie chen Annie Wang Yonghui Wang jiamin Zhong Yi Zhu William Wagstaff Rex c.Haydon Hue H.Luu Sherwin Ho Michael j.Lee jason Strelzow Russell R.Reid Tong-chuan He School of Medicine Rosalind Franklin University of Medicine and ScienceNorth ChicagoIL 60064USA Molecular Oncology Laboratory Department of Orthopedic Surgery and Rehabilitation MedicineThe University of Chicago Medical CenterChicagoIL 60637USA Ministry of Education Key Laboratory of Diagnostic Medicine and Department of Clinical BiochemistryThe School of Laboratory MedicineChongqing Medical UniversityChongqing 400016China Department of Orthopedic Surgery The First Affliated Hospital of Chongqing Medical UniversityChongqing 400016China Department of Urology The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China Department of clinical Laboratory Medicine Shanghai Jiaotong University School of MedicineShanghai 200000China Department of Orthopaedic Surgery Chinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100730China Laboratory of craniofacial Suture Biology and Development Department of Surgery Section of Plastic SurgeryThe University of Chicago Medical CenterChicagoIL 60637USA Department of Neurology The First Dongguan Affiliated HospitalGuangdong Medical UniversityDongguanGuangdong 523475China

The evolutionarily conserved Wnt signaling pathway plays a central role in develop-ment and adult tissue homeostasis across *** proteins are secreted,lipid-modified signaling molecules that activate the canonical(β-catenin dependent)and non-canonical(β-catenin independent)Wnt signaling *** behaviors such as proliferation,differ-entiation,maturation,and proper body-axis specification are carried out by the canonical pathway,which is the best characterized of the known Wnt signaling *** signaling has emerged as an important factor in stem cell biology and is known to affect the self-renewal of stem cells in various *** includes but is not limited to embryonic,hematopoietic,mesenchymal,gut,neural,and epidermal stem *** signaling has also been implicated in tumor cells that exhibit stem cell-like *** signaling is crucial for bone formation and presents a potential target for the development of therapeutics for bone *** surprisingly,aberrant Wnt signaling is also associated with a wide variety of diseases,including *** of Wnt pathway members in cancer can lead to unchecked cell proliferation,epithelial-mesenchymal transition,and ***,advances in the understand-ing of dysregulated Wnt signaling in disease have paved the way for the development of novel therapeutics that target components of the Wnt *** with a brief overview of the mechanisms of canonical and non-canonical Wnt,this review aims to summarize the cur-rent knowledge of Wnt signaling in stem cells,aberrations to the Wnt pathway associated with diseases,and novel therapeutics targeting the Wnt pathway in preclinical and clinical studies.

关键词： β-catenin cancer canonical Wnt Disease Non-canonical Wnt Stem cells Targeted therapy Wnt signaling

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The HIF-1α/PLOD2 axis integrates extracellular matrix organization and cell metabolism leading to aberrant musculoskeletal repair

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Bone Research 2024年第2期12卷 289-301页

作者： Heeseog Kang Amy L.Strong Yuxiao Sun Lei Guo conan juan Alec c.Bancroft ji Hae choi chase A.Pagani Aysel A.Fernandes Michael Woodard juhoon Lee Sowmya Ramesh Aaron W.james David Hudson kevin N.Dalby Lin Xu Robert j.Tower Benjamin Levi center for Organogenesis Regeneration and TraumaDepartment of SurgeryUniversity of Texas SouthwesternDallasTX 75390USA Section of Plastic Surgery Department of SurgeryUniversity of MichiganAnn ArborMI 48109USA Quantitative Biomedical Research center Peter O’Donnell Jr.School of Public HealthUniversity of Texas SouthwesternDallasTX 75390USA Department of Orthopedics and Sports Medicine University of WashingtonSeattleWA 98195USA Division of chemical Biology and Medicinal chemistry College of PharmacyUniversity of Texas at AustinAustinTX 78712USA Department of Pathology Johns Hopkins UniversityBaltimoreMD 21218USA

While hypoxic signaling has been shown to play a role in many cellular processes,its role in metabolism-linked extracellular matrix(EcM)organization and downstream processes of cell fate after musculoskeletal injury remains to be ***(HO)is a debilitating condition where abnormal bone formation occurs within extra-skeletal *** andhypoxia-inducible factor 1α(HIF-1α)activation have been shown to promote ***,the underlying molecular mechanisms bywhich the HIF-1αpathway in mesenchymal progenitor cells(MPcs)contributes to pathologic bone formation remain to ***,we used a proven mouse injury-induced HO model to investigate the role of HIF-1αon aberrant cell ***-cell RNA sequencing(scRNA-seq)and spatial transcriptomics analyses of the HO site,we found that collagen EcM organizationis the most highly up-regulated biological process in *** mesenchymal cell-specific deletion of Hif1α(Hoxa11-creER^(T2);Hif1a^(fl/fl))significantly mitigated HO in ***-seq analysis of these Hoxa11-creER^(T2);Hif1a^(fl/fl)mice identified the PLOD2/LOXpathway for collagen cross-linking as downstream of the HIF-1αregulation of ***,our scRNA-seq data and mechanisticstudies further uncovered that glucose metabolism in MPcs is most highly impacted by HIF-1α*** a translational aspect,a pan-LOX inhibitor significantly decreased HO.A newly screened compound revealed that the inhibition of PLOD2 activity in MPcssignificantly decreased osteogenic differentiation and glycolytic *** suggests that the HIF-1α/PLOD2/LOX axis linked tometabolism regulates HO-forming MPc *** results suggest that the HIF-1α/PLOD2/LOX pathway represents a promisingstrategy to mitigate HO formation.

关键词： metabolism skeletal aberrant

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Inflammasome links traumatic brain injury, chronic traumatic encephalopathy, and Alzheimer's disease

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Neural Regeneration Research 2025年第6期20卷 1644-1664页

作者： Gabriela Seplovich Yazan Bouchi juan Pablo de Rivero Vaccari jennifer c.Munoz Pareja Andrew Reisner Laura Blackwell Yehia Mechref kevin K.Wang j.Adrian Tyndall Binu Tharakan Firas Kobeissy Department of Surgery Morehouse School of MedicineAtlantaGAUSA Department of Neurobiology Center for NeurotraumaMultiomics&Biomarkers(CNMB)Neuroscience InstituteMorehouse School of MedicineAtlantaGAUSA Department of Neurological Surgery and the Miami Project to cure Paralysis University of Miami Miller School of MedicineMiamiFLUSA Division of Pediatric critical care Department of PediatricsUniversity of Miami Miller School of MedicineMiamiFLUSA Department of Pediatrics Emory UniversityAtlantaGAUSA Department of Neurosurgery Children’s Healthcare of AtlantaAtlantaGAUSA Department of chemistry and Biochemistry Texas Tech UniversityLubbockTXUSA Morehouse School of Medicine AtlantaGAUSA

Traumatic brain injury, chronic traumatic encephalopathy, and Alzheimer's disease are three distinct neurological disorders that share common pathophysiological mechanisms involving neuroinflammation. One sequela of neuroinflammation includes the pathologic hyperphosphorylation of tau protein, an endogenous microtubule-associated protein that protects the integrity of neuronal cytoskeletons. Tau hyperphosphorylation results in protein misfolding and subsequent accumulation of tau tangles forming neurotoxic aggregates. These misfolded proteins are characteristic of traumatic brain injury, chronic traumatic encephalopathy, and Alzheimer's disease and can lead to downstream neuroinflammatory processes, including assembly and activation of the inflammasome complex. Inflammasomes refer to a family of multimeric protein units that, upon activation, release a cascade of signaling molecules resulting in caspase-induced cell death and inflammation mediated by the release of interleukin-1β cytokine. One specific inflammasome, the NOD-like receptor protein 3, has been proposed to be a key regulator of tau phosphorylation where it has been shown that prolonged NOD-like receptor protein 3 activation acts as a causal factor in pathological tau accumulation and spreading. This review begins by describing the epidemiology and pathophysiology of traumatic brain injury, chronic traumatic encephalopathy, and Alzheimer's disease. Next, we highlight neuroinflammation as an overriding theme and discuss the role of the NOD-like receptor protein 3 inflammasome in the formation of tau deposits and how such tauopathic entities spread throughout the brain. We then propose a novel framework linking traumatic brain injury, chronic traumatic encephalopathy, and Alzheimer's disease as inflammasomedependent pathologies that exist along a temporal continuum. Finally, we discuss potential therapeutic targets that may intercept this pathway and ultimately minimize long-term neurological decline.

关键词： Alzheimer's disease caspase-1 chronic traumatic encephalopathy inflammasomes neurodegeneration neuroinflammation NLRP1 NLRP3 pyroptosis tauopathy traumatic brain injury

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The Bright Single Pulse Emission from PSR B1133+16

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Research in Astronomy and Astrophysics 2024年第4期24卷 253-261页

作者： jun Tan Zhi-Gang Wen Zhen Wang Xue-Feng Duan Hong-Guang Wang Na Wang Vishal Gajjar jian-Ping Yuan Rai yuen Wen-Ming Yan jian-Ling chen Wei Han Hui Wang cheng-Bing Lyu Ai-jun Dong Maths and Information Technology School Yuncheng UniversityYuncheng 044000China Xinjiang Astronomical Observatory Chinese Academy of SciencesUrumqi 830011China Xinjiang Key Laboratory of Radio Astrophysics Urumqi 830011China School of Physics and Materials Science Guangzhou UniversityGuangzhou 510006China Space Science Laboratory University of CaliforniaBerkeley 94710USA Department of Physics and Electronic Engineering Yuncheng UniversityYuncheng 044000China School of Physics and Electronic Science Guizhou Normal UniversityGuiyang 550025China

We have conducted a comprehensive investigation into the bright single pulse emission from PSR B1133+16using the Giant Metrewave Radio *** time resolution data(61μs)were obtained at a center frequency of 322 MHz with a bandwidth of 32 MHz over a continuous observation period of 7.45 hr.A total of 1082 bright pulses were sporadically detected with peak flux densities ranging from 10 to 23 times stronger than the average pulse ***,no giant pulse-like emission with a relative pulse energy larger than 10 and extremely short duration was detected,indicating that these bright pulses cannot be categorized as giant pulse *** majority of these bright pulses are concentrated in pulse phases at both the leading and trailing windows of the average pulse profile,with an occurrence ratio of approximately *** pulse energy distribution for all individual pulses can be described by a combination of two Gaussian components and a cutoff power-law with an index of α=-*** updated nulling fraction of 15.35%±0.45% was determined from the energy *** emission of individual pulses follows a log-normal distribution in peak flux density *** is imperative that regular phase drifting in bright pulse sequence is identified in both the leading and trailing components for the first *** physical mechanisms are discussed in detail to provide insights into these observations.

关键词： (stars:)pulsars:general (stars:)pulsars:individual(PSR B1133+16) methods:observational methods:data analysis

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Pharmacological methods for ovarian function and fertility preservation in women with cancer:A literature review

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Oncology Research 2024年第8期32卷 1309-1322页

作者： ANA S.cVETANOVIc MATTEO LAMBERTINI kevin PUNIE GORANA G.MATOVINA BRKO NIKOLA D.ZIVKOVIc MAjA j.POPOVIc MARIjANA M.MILOVIc KOVAcEVIc LAZAR S.POPOVIc Department for Oncology Medical Faculty NisUniversity of NisNis18000Serbia clinic of Oncology University Clinical Centre NisNis18000Serbia Department of Internal Medicine and Medical Sciences(DiMI) School of MedicineUniversity of GenovaGenova16100Italy Department of Medical Oncology U.O.C Clinica di Oncologia MedicaIRCCS Ospedale Policlinico San MartinoGenova16100Italy Department of General Medical Oncology and Multidisciplinary Breast centre Leuven Cancer InstituteUniversity Hospitals LeuvenLeuven3001Belgium Department of Medical Oncology Oncology Institute of VojvodinaSremska Kamenica21208Serbia Department for Pathology Medical Faculty NisUniversity of NisNis18000Serbia center for Pathology University Clinical Centre NisNis18000Serbia Faculty of Medicine University of Novi SadNovi Sad21000Serbia Department of Medical Oncology Institute of Oncology and Radiology SerbiaBelgrade11000Serbia

Oncofertility is an extremely signiﬁcant topic that is increasingly being discussed owing to increased evidence indicating that fertility preservation does not affect the treatment outcomes of patients with cancer but signiﬁcantly contributes to preserving life *** effect of chemotherapy can range from minimal effects to complete ovarian *** data are available on the effects of monoclonal antibodies and targeted therapies on the ovaries and *** ovarian suppression by administering a gonadotropin-releasing hormone agonist(GnRHa)during chemotherapy decreases the gonadotoxic effect of chemotherapy,thereby diminishing the chance of developing premature ovarian insufﬁciency(POI).At present,the concomitant administration of GnRH analogs during chemotherapy is the only accepted pharmacological method for preserving ovarian ***,most randomized studies on the effectiveness of luteinizing hormone-releasing hormone agonists during chemotherapy in preventing POI have been conducted in women with breast cancer,with a considerably small number of studies on patients with hematological ***,most randomized controlled trials on breast cancer have revealed a decrease in treatment-induced POI risk,regardless of the hormone receptor *** addition,studies on hematological malignancies have yielded negative results;nevertheless,theﬁndings must be interpreted with caution owing to numerous *** guidelines from the American Society of clinical Oncology and ESMO clinical Practice Guidelines recommend sperm,oocyte,and embryo cryopreservation as a standard practice and only offering GnRHa to patients when proven fertility preservation methods are not *** this manuscript,we present a comprehensive literature overview on the application of ovarian suppression with GnRHa during chemotherapy in patients with cancer by addressing preclinical and clinical data,as well as future perspectives in thisﬁeld

关键词： Gonadotropin-releasing hormone agonists(GnRHa) Fertility preservation Premature ovarian insufficiency(POI) Premenopausal patients

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Dynamics of self-hybridized exciton–polaritons in 2D halide perovskites

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Light(Science & Applications) 2024年第1期13卷 13-22页

作者： Surendra B.Anantharaman jason Lynch christopher E.Stevens christopher Munley chentao Li jin Hou Hao Zhang Andrew Torma Thomas Darlington Francis coen kevin Li Arka Majumdar Pjames Schuck Aditya Mohite Hayk Harutyunyan joshua R.Hendrickson Deep jariwala Department of Electrical and Systems Engineering University of PennsylvaniaPhiladelphiaPA19104USA KBR Inc. BeavercreekOH45431USA Air Force Research Laboratory Sensors DirectorateWright-Patterson Air Force BaseOH45433USA Department of Physics University of WashingtonSeattleWA98195USA Department of Physics Emory UniversityAtlantaGA30322USA Department of chemical and Biomolecular Engineering Rice UniversityHoustonTX77005USA Department of Materials Science and Nanoengineering Rice UniversityHoustonTX77005USA Applied Physics Program Smalley‐Curl InstituteRice UniversityHoustonTX77005USA Department of Mechanical Engineering Columbia UniversityNew YorkNY10027USA Department of Electrical and computer Engineering University of WashingtonSeattleWA98195USA

Excitons,bound electron–hole pairs,in two-dimensional hybrid organic inorganic perovskites(2D HOIPs)are capable of forming hybrid light-matter states known as exciton-polaritons(E–Ps)when the excitonic medium is confined in an optical *** the case of 2D HOIPs,they can self-hybridize into E–Ps at specific thicknesses of the HOIP crystals that form a resonant optical cavity with the ***,the fundamental properties of these self-hybridized E–Ps in 2D HOIPs,including their role in ultrafast energy and/or charge transfer at interfaces,remain ***,we demonstrate that>0.5µm thick 2D HOIP crystals on Au substrates are capable of supporting multiple-orders of self-hybridized E–P *** E–Ps have high Q factors(>100)and modulate the optical dispersion for the crystal to enhance sub-gap absorption and *** varying excitation energy and ultrafast measurements,we also confirm energy transfer from higher energy E–Ps to lower energy E–***,we also demonstrate that E–Ps are capable of charge transport and transfer at *** findings provide new insights into charge and energy transfer in E–Ps opening new opportunities towards their manipulation for polaritonic devices.

关键词： charge polar excitation

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Blood pressure-related white matter microstructural disintegrity and associated cognitive function impairment in asymptomatic adults

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Stroke & Vascular Neurology 2023年第5期8卷 358-367页

作者： julián N Acosta Stefan P Haider cyprien Rivier Audrey c Leasure kevin N Sheth Guido j Falcone Seyedmehdi Payabvash Department of Neurology Yale School of MedicineNew HavenConnecticutUSA Department of Radiology and Biomedical Imaging Yale School of MedicineNew HavenConnecticutUSA Department of Otorhinolaryngology Ludwig Maximilians University MunichMunchenGermany

Background and objectives We aimed to investigate the white matter(WM)microstructural/cytostructural disintegrity patterns related to higher systolic blood pressure(SBP),and whether they mediate SBP effects on cognitive performance in middle-aged *** Using the UK Biobank study of community-dwelling volunteers aged 40-69 years,we included participants without a history of stroke,dementia,demyelinating disease or traumatic brain *** investigated the association of SBP with MRI diffusion metrics:fractional anisotropy(FA),mean diffusivity(MD),intracellular volume fraction(a measure of neurite density),isotropic(free)water volume fraction(ISOVF)and orientation dispersion across WM ***,we determined whether WM diffusion metrics mediated the effects of SBP on cognitive *** We analysed 31363 participants-mean age of 63.8 years(SD:7.7),and 16523(53%)*** SBP was associated with lower FA and neurite density,but higher MD and *** different WM tracts,diffusion metrics of the internal capsule anterior limb,external capsule,superior and posterior corona radiata were most affected by higher *** seven cognitive metrics,SBP levels were only associated with‘fluid intelligence’(adjusted pcapsule,internal capsule anterior limb and superior cerebellar peduncle mediated 13%,9%and 13%of SBP effects on fluid intelligence,while the averaged MD of external capsule,internal capsule anterior and posterior limbs,and superior corona radiata mediated 5%,7%,7%and 6%of SBP effects on fluid intelligence,*** Among asymptomatic adults,higher SBP is associated with pervasive WM microstructure disintegrity,partially due to reduced neuronal count,which appears to mediate SBP adverse effects on fluid *** metrics of select WM tracts,which are most reflective of SBP-related parenchymal damage and cognitive impairment,may serve as imaging biomarkers to

关键词： capsule Blood impairment

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The clinical impact of tricuspid regurgitation in patients with a biatrial orthotopic heart transplant

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Frontiers of Medicine 2023年第3期17卷 527-533页

作者： kevin M.Veen Grigorios Papageorgiou casper F.Zijderhand Mostafa M.Mokhles jasper j.Brugts Olivier c.Manintveld Alina A.constantinescu jos A.Bekkers johanna j.Makkenberg Ad j.j.cBogers Kadir caliskan Department of cardiothoracic Surgery Erasmus MC3000 CA RotterdamThe Netherlands Department of Biostatistics Erasmus MC3000 CA RotterdamThe Netherlands Department of cardiology Erasmus MC3000 CA RotterdamThe Netherlands

In this study,we aim to elucidate the clinical impact and long-term course of tricuspid regurgitation(TR),taking into account its dynamic nature,after biatrial orthotopic heart transplant(OHT).All consecutive adult patients undergoing biatrial OHT(1984−2017)with an available follow-up echocardiogram were ***-models were used to model the evolution of *** mixed-model was inserted into a cox model in order to address the association of the dynamic TR with *** total,572 patients were included(median age:50 years,males:74.9%).Approximately 32% of patients had moderate-to-severe TR immediately after ***,this declined to 11%on 5 years and 9% on 10 years after surgery,adjusted for survival *** mechanical support was associated with less TR during follow-up,whereas concurrent LV dysfunction was significantly associated with more TR during *** at 1,5,10,20 years was 97%±1%,88%±1%,66%±2% and 23%±2%,*** presence of moderate-to-severe TR during follow-up was associated with higher mortality(HR:1.07,95%cI(1.02–1.12),p=0.006).The course of TR was positively correlated with the course of creatinine(R=0.45).TR during follow-up is significantly associated with higher mortality and worse renal ***,probability of TR is the highest immediately after OHT and decreases ***,it may be reasonable to refrain from surgical intervention for TR during earlier phase after OHT.

关键词： orthotopic heart transplant tricuspid regurgitation clinical impact biatrial heart transplantation

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