bluuebunny/crossref_metadata_2025_split huggingface dataset:
Transarterial Embolization of Intracranial Dural Arteriovenous Fistulas Cognard Type V With Direct Drainage Into the Perimedullary Veins: Case Report and Literature Review
Authors: Mendoza-Ayús Santiago David , El Naamani Kareem , Atallah Elias , Sizdahkhani Saman , Kaul Anand , Mouchtouris Nikolaos , Tjoumakaris Stavropoula , Gooch Michael R. , Rosenwasser Robert H. , Jabbour Pascal 
Published: April 2024

BACKGROUND AND IMPORTANCE:
Cognard type V fistula (CVF) is a rare type of dural arteriovenous fistula characterized by spinal perimedullary venous drainage. Owing to the lack of pathognomonic findings, misdiagnosis is common. Patients often undergo multiple spinal angiograms negative for spinal vascular malformations. Digital subtraction angiography is the gold standard diagnostic tool. The preferred treatment option is endovascular management with embolization through a transarterial, transvenous, or combined approach. Other options include open surgery, stereotactic radiosurgery, or a combination of both.

CLINICAL PRESENTATION:
The patient from case # 1 presented with progressive weakness and hypoesthesia in the bilateral lower extremities, with urinary and bowel incontinence. The DSA identified a CVF fed by the meningohypophyseal trunk and a draining perimedullary vein. Embolization with 0.1 ccs of Onyx-18 was performed with complete fistula occlusion. The patient from case # 2 developed bilateral lower extremity weakness, diffuse numbness, and urinary incontinence. The DSA showed a CVF fed by tributaries from the ascending pharyngeal artery and posterior meningeal artery branches of the V3 segment, draining into a perimedullary vein. Embolization with 0.3 cc of Onyx-18 was performed with 100% occlusion of the fistula. A 1-year follow-up angiogram confirmed complete fistula occlusion. Both patients consented to the procedure.

CONCLUSION:
Even if a patient only presents symptoms of myelopathy, CVF should be considered. Herein, we present 2 cases of CVF with direct drainage into the perimedullary veins which presented exclusively with myelopathy syndrome and describe treatment with trasarterial embolization with Onyx.
Failed bioprosthetic tricuspid valve replacement treated with transcatheter valve for valve repair
Authors: Talebi-Talghian Tara , Cevik Cihan , Walinsky Peter 
Published: April 2024

Tricuspid bioprosthetic valve failure may lead to right-sided heart failure and is traditionally managed with surgical valve replacement. However, the substantial mortality risk associated with reoperation for failed tricuspid bioprosthesis prompts the need for less invasive alternatives. Transcatheter valve-in-valve (TViV) implantation presents a promising minimally invasive option for patients with failing bioprosthetic valves. This case involves a 32-year-old man with a history of recurrent failed bioprosthetic tricuspid valves who underwent successful percutaneous TViV implantation using a 29 mm Edwards Sapien S3 valve, resulting in marked clinical and hemodynamic improvement. This case contributes essential insights to the limited literature on TViV in the tricuspid position, particularly in patients with complex surgical histories. The high procedural success rate and substantial improvement in valve function underscore the potential of TViV as an effective alternative to surgical replacement for failed tricuspid bioprosthetic valves.

Keywords: Transcatheter tricuspid valve replacement; tricuspid valve-in-valve; bioprosthetic tricuspid valve; tricuspid valve stenosis
Production Chain Organization in the Digital Age: Information Technology Use and Vertical Integration in U.S. Manufacturing
Authors: Forman Chris , McElheran Kristina 
Published: April 2024

Advances in information technology (IT) may affect the organizational design of production. Exploiting the rapid diffusion of the internet in the United States, we assess the sensitivity of production chain organization to this innovation in IT access and use. Extending theories of the firm that recognize the importance of downstream transfers (selling as opposed to sourcing) and plural governance in organizational design, we predict IT-driven shifts in downstream vertical integration. In a detailed panel of Census Bureau data for over 5,600 manufacturing plants, we observe the extent of a production unit’s downstream transactions within the firm alongside concurrent sales to external customers—a mix we refer to as plural selling. Our main finding is that the use of the internet for external coordination precipitated a significant decline in downstream vertical integration across the manufacturing sector. Instrumental variables estimation points to a causal relationship but also heterogeneous treatment effects. Key drivers of plural organization, such as complementarities and constraints across differently governed transactions, help explain such heterogeneity, as does concurrent use of internal production management IT. Our study is the first study to leverage a plural governance framework and large-scale microdata to understand how U.S. production chain organization shifted in response to this rapid and far-reaching technological change. This paper was accepted by David Simchi-Levi, information systems. Funding: This research was performed at the Atlanta, Boston, and Cornell (supported by the Cornell Center for the Social Sciences) Federal Statistical Research Data Centers [Project 1069 (CBDRB-FY22-279)]. Support for the Research Data Centers network from the National Science Foundation [Grant ITR-0427889] is gratefully acknowledged, as is support from the Social Sciences and Humanities Research Council of Canada. Supplemental Material: The online appendix is available at https://doi.org/10.1287/mnsc.2019.01586 .
Politically Affiliated Analysts
Authors: Kong Dongmin , Lin Chen , Liu Shasha , Xuan Yuhai 
Published: April 2024

Government ownership of financial intermediaries is pervasive around the world. In this study, we examine the impact of common government ownership between the brokerage and listed firms on the information production role of brokerage firms. We show that affiliated analysts tend to issue more optimistic recommendations for stocks of firms controlled by the same government entity that controls their brokerage firms. This optimistic bias is particularly pronounced during periods of economic shocks. Our study demonstrates this by utilizing additional tariff impositions and tariff exemptions during the U.S.–China trade war as exogenous negative and positive shocks, respectively. Additionally, our study indicates that stocks recommended by politically affiliated analysts tend to underperform those recommended by independent analysts, implying that the optimism stems from conflicts of interest rather than superior information. Furthermore, our research highlights that sophisticated investors perceive the potential bias and incorporate it into their trading. Consistent with an exchange of favors story, politically affiliated brokerage firms receive a larger allocation during the issuance of local government debt, whereas governments subscribe for more shares during seasoned equity offerings by these affiliated brokerage firms. This paper was accepted by Kay Giesecke, finance. Funding: The authors gratefully acknowledge the financial support from the National Natural Science Foundation of China [Grants 71972088, 72132002, and 71991473], the National Social Science Foundation of China [Grants 21ZDA010 and 22VRC145], and the Innovation and Talent Base for Digital Technology and Finance [Grant B21038]. Supplemental Material: The online appendix and data files are available at https://doi.org/10.1287/mnsc.2022.00579 .
Online Advertising as Passive Search
Authors: Ursu Raluca Mihaela , Simonov Andrey , An Eunkyung 
Published: April 2024

Standard search models assume that consumers actively decide on the order, identity, and number of products they search. We document that online, a large fraction of searches happen in a more passive manner, with consumers merely reacting to online advertisements that do not allow them to choose the timing or the identity of products to which they will be exposed. Using a clickstream panel data set capturing full URL addresses of websites that consumers visit, we show how to detect whether a click is ad initiated. We then report that in the apparel category, ad-initiated clicks account for more than half of all website arrivals, are more concentrated early on in the consumer search process, and lead to less in-depth searches and fewer transactions, consistent with the passive nature of these searches. To account for these systematic differences between active and passive searches, we propose and estimate a simple model that accommodates both types of searches. Our results show that incorrectly treating all searches as active inflates the estimated value of brands that advertise frequently. Our model can more accurately recover data patterns, especially for advertising brands. We finish with model extensions and a discussion of the managerial implications. This paper was accepted by Dmitry Kuksov, marketing. Supplemental Material: The online appendix and data files are available at https://doi.org/10.1287/mnsc.2022.02154 .
A multidisciplinary approach to improve adherence to medical recommendations in older adults at hospital discharge: The APPROACH study protocol
Authors: Zanforlini Bruno Micael , Sambo Sara , Devita Maria , Cignarella Andrea , Vezzali Federico , Sturani Silvia , Grandieri Andrea , Noale Marianna , Siviero Paola , Limongi Federica , Volpato Stefano , Sergi Giuseppe , Trevisan Caterina ,   the APPROACH working group
Published: April 2024

Introduction
Poor comprehension and medication adherence are common in older people, especially after hospitalizations, in case of changes or prescriptions of new therapeutic regimes. This randomized controlled trial aims to evaluate the effectiveness of an integrated approach in improving older individuals’ adherence to medical recommendations after hospital discharge.

Methods
Data from an expected sample of 360 older inpatients (and their caregivers) will be collected. Medical recommendations’ understanding will be tested before and after the routine explanation received by in-charge physicians. Participants will be randomized in the control (usual care) and intervention group. The intervention consists of educational training by a multidisciplinary team (occupational therapist, dietician, and physician, in consultation with a pharmacologist) at hospital discharge and, after hospital discharge, receiving a phone recall checking for therapy adherence and having the possibility to contact the study team for potential related concerns. After 7 days, medication adherence will be assessed through structured phone interviews comparing ongoing and prescribed medications and by administering the 4-item validated Morisky, Green, Levine scale and the Medication adherence report scale (MARS-5). At 30 and 90 days from discharge, data on medication adherence, falls, rehospitalizations, and vital status will be collected through phone interviews and hospital records.

Trial registration
Registration: NCT05719870 (clinicaltrial.gov). https://classic.clinicaltrials.gov/ct2/show/NCT05719870.
Six-month pain and function outcome expectations were established for total knee arthroplasty using the smallest worthwhile effect
Authors: Riddle Daniel L. , Henderson Nancy 
Published: April 2024

Introduction
Interpretations of patient-reported outcome measures following knee arthroplasty lack context and typically do not account for costs, risks and benefits compared to an alternative treatment. The primary purpose of our paper is to estimate expectations patients have for pain and function destination outcome, six-months following surgery relative to the outcome expected if knee arthroplasty was not done. Secondary purposes were to determine if statistically significant changes in the smallest worthwhile six-month outcome occurred following an interactive discussion and to assess the construct validity of the expected six-month outcome obtained at baseline.

Methods
This was a secondary analysis of a prospective longitudinal cohort study of 121 patients undergoing knee arthroplasty. Smallest worthwhile effect estimates were determined and expected six-month KOOS Pain and Function, daily activity measures were established during a pre-operative visit.

Results
The average six-month expected (the destination of interest) KOOS Pain score was 75 (IQR = 64 to 86) and the average KOOS Function, daily activity score was 74 (IQR = 59 to 86). The smallest worthwhile effect discussion led to significant changes in expected destination scores. For example, KOOS Pain expected outcome changed from 87.7 (9.8) to 75.0 (13.6), a statistically significant reduction in expected outcome (t(119) = 16.942, p < 0.001.

Conclusion
Six-month expected KOOS outcomes following knee arthroplasty were established and approximate the average six-month outcomes reported in the literature. Validity of these estimates was established. These data can be used to aid shared decision-making discussions regarding patient expectations of knee arthroplasty outcomes during a patient encounter.
Asymptomatic hypoglycemia among preterm newborns: A cross-sectional analysis
Authors: Salum Shani S. , Kalabamu Florence S. , Fataki Maulidi R. , Omary Salha A. , Mohammed Ummulkheir H. , Kizwi Hillary A. , Leshabari Kelvin M. 
Published: April 2024

Background
Hypoglycemia is the commonest metabolic abnormality encountered in newborns. Besides, there is a growing body of evidence that links the causes of early neonatal mortality to neonatal hypoglycemia in Tanzania. However exact factors associated with asymptomatic hypoglycemia in preterm newborns are not known.

Objective
To assess factors associated with asymptomatic hypoglycemia among preterm newborns.

Materials and methods
A cross sectional, analytical hospital- based study was carried out at Dar es salaam public regional referral hospitals. Preterm newborns with asymptomatic hypoglycemia were the target population. Data on demographic and clinical characteristics of preterm newborns and their mothers were collected and analyzed using Epi-Info™ software version 7.4. Main data analysis was done by applying a multivariable binary logistic regression model with neonatal random glycaemia coded in a binary fashion at a cut-off point of 2.6 mmol/L. An α-level of 5% was used as a limit of type I error.

Results
We recruited and analysed 217 preterm newborns within 6–24 hours post-delivery. Male: Female = 1.1:1 (females n = 105, 48.4%). Median glycemic level was 2.6 (IQR; 2.1–3.9) mmol/L. Median gestational age at delivery was 33 (IQR: 30–35) weeks. Breastfeeding within 1st hour post-delivery was a statistically significant factor against glycemic levels associated with hypoglycemia (OR; 0.123, 95%-CI; 0.052–0.287) in a fitted multivariable logistic regression model.

Conclusion
About half of all preterm newborns studied had glycemic values in a statistical range associated with hypoglycemia. Exclusive breast feeding within 1st hour post-delivery was associated with glycemic levels protective from risk of asymptomatic neonatal hypoglycemia.

Recommendations
Exclusive breastfeeding practices within 1st hour post-delivery may need to be emphasized to all expectant mothers in order to avoid potential risk of asymptomatic hypoglycemia in preterm newborns.
Insight into the status of plasma renin and aldosterone measurement: findings from 526 clinical laboratories in China
Authors: Zhou Weiyan , Deng Yuhang , Ma Wenjun , Zhao Haijian , Wang Kaijun , Zhang Qian , Gan Wei , Chen Wenxiang , Cai Jun , Zhang Chuanbao 
Published: April 2024

Abstract

Objectives
Accurate measurements of renin and aldosterone levels play an important role in primary aldosteronism screening, which is of great importance in the management and categorization of hypertension. The objective of this study is to investigate the current status of plasma renin and aldosterone measurements in China, which is achieved by analyzing the results of 526 clinical laboratories nationwide for three pooled fresh plasma samples derived from more than 2,000 patients.

Methods
Renin and aldosterone in three pooled plasma samples were measured four times in 526 laboratories employing various measurement systems. The inter- and intra-laboratory %CV were calculated and compared. To determine the source of the substantial inter-laboratory %CV, laboratories were categorized according to the measurement systems they are using, and both the inter- and intra-measurement-system %CV were calculated and compared.

Results
Regarding renin, the majority of laboratories use four primary commercial immunoassays. However, for aldosterone, in addition to commercial immunoassays, laboratory-developed liquid chromatography-tandem mass spectrometry (LC-MS) methods are also used by laboratories. The median values of intra-laboratory %CVs, intra-measurement-system %CVs, inter-laboratory %CVs, and inter-measurement systems %CVs varied between 1.6 and 2.6 %, 4.6 and 14.9 %, 8.3 and 25.7 %, and 10.0 and 34.4 % for renin, respectively. For aldosterone, these values ranged from 1.4 to 2.2 %, 2.5–14.7 %, 9.9–31.0 %, and 10.0–35.5 %, respectively.

Conclusions
The precision within laboratories and measurement systems for plasma renin and aldosterone measurements is satisfactory. However, the comparability between laboratories using different measurement systems remains lacking, indicating the long way to achieve standardization and harmonization for these two analytes.
Inconsistency between the micropolar theory and non-equilibrium thermodynamics in the case of polar fluids
Authors: Stephanou Pavlos S. 
Published: April 2024

Abstract
The balance equation of angular momentum in anisotropic fluids includes a couple stress contribution, also responsible for an antisymmetric contribution to the force stress tensor. We herein derive all balance equations for the simplest anisotropic fluid, i.e., a polar fluid, using the GENERIC formalism of non-equilibrium thermodynamics. In doing so, we find that there is an inconsistency between the internal energy density evolution equation derived using non-equilibrium thermodynamics and the one usually considered in micropolar theory.
Enhancing the structural performance of engineering components using the geometric mean optimizer
Authors: Mehta Pranav , Yildiz Ali Riza , Sait Sadiq M. , Yildiz Betül Sultan 
Published: April 2024

Abstract
In this article, a newly developed optimization approach based on a mathematics technique named the geometric mean optimization algorithm is employed to address the optimization challenge of the robot gripper, airplane bracket, and suspension arm of automobiles, followed by an additional three engineering problems. Accordingly, other challenges are the ten-bar truss, three-bar truss, tubular column, and spring systems. As a result, the algorithm demonstrates promising statistical outcomes when compared to other well-established algorithms. Additionally, it requires less iteration to achieve the global optimum solution. Furthermore, the algorithm exhibits minimal deviations in results, even when other techniques produce better or similar outcomes. This suggests that the proposed approach in this paper can be effectively utilized for a wide range of critical industrial and real-world engineering challenges.
Crystal structure of bis(methanol-κO)-bis(nitrato-kO)-bis(1-((2-(2-chloro-4-(4-chlorophenoxy)phenyl)-4-methyl-1,3-dioxolan-2-yl)methyl)-1H-1,2,4-triazole-κN)cadmium(II), C40H42O14N8Cl4Cd
Authors: Zhou Le-le , Rao Yi-wen , Fan Ze-jing , Li Hong-ya , Yan Biao 
Published: April 2024

Abstract
C40H42O14N8Cl4Cd, triclinic, P1̄ (no. 2), a = 7.5892(16) Å, b = 7.6583(15) Å, c = 20.629(4) Å, α = 79.620(4)°, β = 84.594(3)°, γ = 79.427(4)°, V = 1157.0(4) Å3, Z = 1, R
gt(F) = 0.0721, wR
ref(F
2) = 0.1967, T = 296(2) K.
Crystal structure of 6,6′-((1E,1′E)-((2-phenylpyrimidine-4,6-diyl)bis(hydrazin-2-yl-1-ylidene))bis(methaneylylidene))bis(2-methoxyphenol)monohydrate, C26H26N6O5
Authors: Hao Yating , Pan Pan , Lan Hairong , Lu Jiaxing , Wan Yan , Chu Yixin 
Published: April 2024

Abstract
C26H26N6O5, monoclinic, P21/c (no. 14), a = 10.9393(1) Å, b = 16.8724(2) Å, c = 13.5836(2) Å, β = 102.843(1)°, V = 2444.43(5) Å3, Z = 4, R

gt
(F) = 0.0318, wRref
(F
2) = 0.0827, T = 173 K.
Challenges in the solution phase synthesis of PSMA-11 and PSMA-617: organic ligands for radiopharmaceutical preparations in prostate cancer medication
Authors: Kumar K. S. Ajish , Mathur Anupam 
Published: April 2024

Abstract
Patient specific treatments for different cancers are currently being actively addressed through nuclear medicine. More recently, the identification of biomarker namely; prostate-specific membrane antigen (PSMA) expressed on the prostate cancer cell surface has been considered as a turning point in prostate cancer management using radiopharmaceuticals. In this treatment method, apart from radionuclide, organic ligands that target PSMA constitute an essential component. PSMA-11 and PSMA-617 are two important ligands that form the radiopharmaceuticals, [68Ga]Ga-PSMA-11, [177Lu]Lu-PSMA-617, which are currently powering the prostate cancer management, especially metastatic castration resistant prostate cancer (mCRPC) in most part of the world. Identification of efficient synthetic routes towards these highly expensive ligands is an important prerequisite to make this treatment modality more popular. In this account, the synthetic challenges that we circumvent during the solution phase synthesis of PSMA-11 and PSMA-617, through different chemical synthetic routes are demonstrated. Post-synthesis, both the ligands, PSMA-11 and PSMA-617 were successfully radiolabelled using 68Ga, and 177Lu, respectively, to generate corresponding labelled products [68Ga]Ga-PSMA-11, and [177Lu]Lu-PSMA-617, in good radiochemical purity.
Exploring the impact of hybridization on green composites: pineapple leaf and sisal fiber reinforcement using poly(furfuryl alcohol) bioresin
Authors: Gaddala Baburao , Kandavalli Sumanth Ratna , Raghavendran Giri , Sivaprakash Agiladevi , Rallabandi Revathi , Sundramurthy Venkatesa Prabhu , Selvaraju Mayakannan , Sugumar Mohanasundaram 
Published: April 2024

Abstract
This study aimed to examine the mechanical and physical characteristics of hybrid composite prepared using bio-epoxy reinforced with natural fibers extracted from pineapple leaf (PLF) and sisal (SF). The hand lay-up technique was utilized to fabricate the hybridized composite from bi-directional pineapple leaf fiber and sisal fibers using various stacking sequences. In order to understand the impact of hybridization on these composites, physical properties including density, percentage volume of fiber (PVF), and water absorption capacity were ascertained for hybrid composite. In addition, the mechanical characteristics like the tensile, fracture toughness, flexural, and interlaminar shear (ILSS) tests were investigated. Poly(furfuryl alcohol) was prepared and used as bioresin and it was apparent that the addition of more PLF in terms of PVF into hybridized composites, the properties flexural, tensile, and ILSS of the bio-epoxy composites were notably improved. The mechanical properties of hybridized composites were markedly impacted by the stacking order. Inference revealed that the composite attained the maximal tensile strength of 70.8 MPa for alternative sequence of SF and PLF. The composite which contained SF on the outside, had outperformed compared to other hybrid composites in terms of fracture toughness (3302.3 J/m2) and interlaminar shear strength (16.1 MPa).