bluuebunny/crossref_metadata_2025_split huggingface dataset:
Gravitational-wave Electromagnetic Counterpart Korean Observatory (GECKO): GECKO Follow-up Observation of GW190425
Authors: Paek Gregory S. H. , Im Myungshin , Kim Joonho , Lim Gu , Park Bomi , Choi Changsu , Kim Sophia , Barbieri Claudio , Salafia Om Sharan , Paek Insu , Shin Suhyun , Seo Jinguk , Lee Hyung Mok , Lee Chung-Uk , Kim Seung-Lee , Sung Hyun-Il 
Published: January 2024

Abstract
One of the keys to the success of multimessenger astronomy is the rapid identification of the electromagnetic wave counterpart, kilonova (KN), of the gravitational-wave (GW) event. Despite its importance, it is hard to find a KN associated with a GW event, due to a poorly constrained GW localization map and numerous signals that could be confused as a KN. Here, we present the Gravitational-wave Electromagnetic wave Counterpart Korean Observatory (GECKO) project, the GECKO observation of GW190425, and prospects of GECKO in the fourth observing run (O4) of the GW detectors. We outline our follow-up observation strategies during O3. In particular, we describe our galaxy-targeted observation criteria that prioritize based on galaxy properties. Armed with this strategy, we performed an optical and/or near-infrared follow-up observation of GW190425, the first binary neutron star merger event during the O3 run. Despite a vast localization area of 7460 deg2, we observed 621 host galaxy candidates, corresponding to 29.5% of the scores we assigned, with most of them observed within the first 3 days of the GW event. Ten transients were discovered during this search, including a new transient with a host galaxy. No plausible KN was found, but we were still able to constrain the properties of potential KNe using upper limits. The GECKO observation demonstrates that GECKO can possibly uncover a GW170817-like KN at a distance <200 Mpc if the localization area is of the order of hundreds of square degrees, providing a bright prospect for the identification of GW electromagnetic wave counterparts during the O4 run.
Subaru High-z Exploration of Low-luminosity Quasars (SHELLQs). XVII. Black Hole Mass Distribution at z ∼ 6 Estimated via Spectral Comparison with Low-z Quasars
Authors: Takahashi Ayumi , Matsuoka Yoshiki , Onoue Masafusa , Strauss Michael A. , Kashikawa Nobunari , Toba Yoshiki , Iwasawa Kazushi , Imanishi Masatoshi , Akiyama Masayuki , Kawaguchi Toshihiro , Noboriguchi Akatoki , Lee Chien-Hsiu 
Published: January 2024

Abstract
We report the distribution of black hole (BH) masses and Eddingont ratios estimated for a sample of 131 low luminosity quasars in the early cosmic epoch (5.6 < z < 7.0). Our work is based on the Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs) project, which has constructed a low luminosity quasar sample down to M
1450 ∼ − 21 mag, exploiting the survey data of Hyper Suprime-Cam installed on Subaru Telescope. The discovery spectra of these quasars are limited to the rest-frame wavelengths of ∼1200–1400 Å, which contain no emission lines that can be used as BH mass estimators. In order to overcome this problem, we made use of low-z counterpart spectra from the Sloan Digital Sky Survey, which are spectrally matched to the high-z spectra in overlapping wavelengths. We then combined the C iv emission line widths of the counterparts with the continuum luminosity from the SHELLQs data to estimate BH masses. The resulting BH mass distribution has a range of ∼107–10
M
⊙, with most of the quasars having BH masses ∼108
M
⊙ with sub-Eddington accretion. The present study provides not only a new insight into normal quasars in the reionization epoch, but also a new promising way to estimate BH masses of high-z quasars without near-infrared spectroscopy.
The Central Kinematics and Black Hole Mass of 4C+37.11
Authors: Surti Tirth , Romani Roger W. , Scharwächter Julia , Peck Alison , Taylor Greg B. 
Published: January 2024

Abstract
We report on integral field unit (IFU) measurements of the host of the radio source 4C+37.11. This massive elliptical contains the only resolved double compact nucleus at parsec-scale separation, likely a bound supermassive black hole binary (SMBHB). i-band photometry and GMOS-N IFU spectroscopy show that the galaxy has a large r

b
= 1.″5 core and that the stellar velocity dispersion increases inside of a radius of influence r
SOI ≈ 1.″3. Jeans Anisotropic Modeling analysis of the core infers a total SMBHB mass of

2.8

−
0.8

+
0.8

×

10

10

M

⊙

, making this one of the most massive black hole systems known. Our data indicate that there has been significant scouring of the central kiloparsec of the host galaxy.
Stock Health of Penaeid Shrimps in Sri Lanka: a Comprehensive Molecular-Based Study on Seven Diseases Found in the Asian Region
Authors: Athula J. A. , Walpita C. N. , Ruwandeepika H. A. D. , Thilakasiri T. N. S. , Dayananda E. G. R. , Chandraratne P.N. 
Published: January 2024

Purpose: Although shrimp aquaculture in Sri Lanka has mainly been plagued by recurrent outbreaks of White Spot Syndrome Virus (WSSV), recent symptomatic and analytical field data of shrimps were incoherent with typical WSSV infections. As transboundary infection of new diseases is not uncommon in world shrimp aquaculture, the possibility of new diseases established in the country surfaced. Hence, the present study was aimed at evaluating the stock health of shrimps in Sri Lanka for additional six diseases commonly available in the Asian region, namely Infectious Hypodermal and Hematopoietic Necrosis Virus (IHHNV), Infectious Myonecrosis Virus (IMNV), Taura Syndrome Virus (TSV), Yellow Head Virus (YHV), Acute Hepatopancreatic Necrosis (AHPND) and Necrotizing Hepatopancreatitis Bacterium (NHPB). Research method: Sampling was performed using broodstocks, postlarvae, cultured Penaeus monodon, wild P. semisulcatus, P. indicus and P. monodon from different locations and broodstock collecting areas in the country. Other crustacean species were also collected as possible carrier species. The presence of pathogenic organisms was identified by Polymerase Chain Reaction using respective IQ 2000TM test kits and a total of 2060 PCR tests were conducted. Findings: Of all the samples tested, no samples were positive for IMNV, TSV, YHV, AHPND and NHPB. However, confirmatory evidence was found in Sri Lanka for the presence of IHHNV with the prevalence of 31.3% in broodstock samples, 24.07% in hatchery-produced postlarvae and 18.03% in cultured shrimps. WSSV was also recorded with a prevalence of 10.34% in broodstock samples and 55.56% in cultured shrimp samples collected. None of the wild collected samples was positive for any of the tested diseases. Value: Reinstating the presence of WSSV in the Sri Lankan shrimp industry, provides confirmatory evidence of the presence of IHHNV in the country, highlighting the possibility of the emergence of new diseases in shrimp farming in Sri Lanka. Also, commonly suggested disease carriers seem to be not the major cause of disease spread during the sampling time. This study, therefore, provides much-needed information about the stock health of shrimps in Sri Lanka.
Changes in left ventricular systolic function after transcatheter patent ductus arteriosus closure in premature infants
Authors: Karunanandaa Aravinth , Paolillo Joseph , Cook Amanda , Swayampakala Kamala , Schwartz Matthew C. 
Published: January 2024

ABSTRACT

Background:
Changes in left ventricular (LV) systolic function have not been well described in premature neonates after transcatheter patent ductus arteriosus (PDA) closure.

Methods and Results:
We retrospectively identified all premature neonates < 3 kg who underwent a transcatheter PDA closure at our center between January 1 2015 and January 31, 2021. LV indices before and after closure were extracted and an analysis was performed. Overall, 23 neonates were included with a mean procedural weight of 1894 ± 622 g. At 24 h after closure, the median left ventricular ejection fraction (LVEF) (66% interquartile range [IQR] 12% vs. 61% IQR 12, P< 0.001) and median LV end-diastolic dimension z-score (3.3 IQR 1.8 vs. 1.4 IQR 2.6, P < 0.001) both decreased and 5 (22%) neonates had an LVEF <55%. Patients who had an LVEF <55% at 24 h had a higher preprocedure LV end-diastolic dimension z-score (4.2 IQR 1.2 vs. 2.8 IQR 1.6, P = 0.01), a higher preprocedure LV end-diastolic volume (19 mL IQR 4 mL vs. 11 mL IQR 11, P = 0.03), a higher birth weight (940 g IQR 100 g vs. 760 g IQR 140, P = 0.04), and were more likely to receive intravenous calcium during the procedure (60% vs. 11%, P = 0.04) compared to those with an LVEF ≥55% at 24 h after closure. Of those with LVEF <55% at 24 h, all normalized before discharge.

Conclusion:
In preterm neonates who underwent successful transcatheter PDA closure, 23% developed abnormal LVEF after closure and those with significant LV dilation before the procedure were at increased risk for the development of LVEF <55% after closure.
Novel use of the double kissing crush technique to stent complex pulmonary artery stenosis in a child with Alagille syndrome
Authors: Strah Danielle D. , Hellinger Riley D. , Lee Kwan S. , Seckeler Michael D. 
Published: January 2024

ABSTRACT
Coronary bifurcation lesions and treatment with two-stent techniques have been developed, including the double kissing (DK) crush technique. The use of this technique in children or noncoronary vessels, including pulmonary arteries, has not been described. We present a 12-year-old girl with Alagille syndrome, a ventricular septal defect (VSD), and complex bilateral pulmonary artery (PA) stenoses who is status post six catheterizations for PA angioplasty and stenting to improve her marked right ventricular hypertension. With collaboration between the congenital and structural teams, she successfully underwent the DK crush technique for a complex lesion in her PA. This improved pulmonary flow and allowed for successful surgical VSD closure.
Three-dimensional/four-dimensional spatiotemporal image correlation morphology of the ductus arteriosus in fetuses with pulmonary atresia undergoing neonatal ductal stenting
Authors: Karapurkar Sonia , Gurav Aishwarya , Sudhakar Abish , Sasikumar Navaneetha , Kumar Raman Krishna , Vaidyanathan Balu 
Published: January 2024

ABSTRACT

Background:
The value of prenatal identification of morphology of ductus arteriosus in fetuses with congenital heart defects (CHD) with pulmonary atresia and duct-dependent pulmonary circulation (DDPC) in planning neonatal ductal stenting procedure is untested. The aim of the study is to analyze the utility of three-dimensional/four-dimensional (3D/4D) spatiotemporal image correlation (STIC) fetal echocardiography in delineating the morphology of ductus arteriosus in fetuses with DDPC undergoing neonatal ductal stenting.

Methods:
In this retrospective study (2017–22), prenatal imaging of pulmonary artery (PA) anatomy, aortic arch sidedness, and morphology of ductus arteriosus (ductal origin was classified as vertical/horizontal and ductal course as tortuous/straight) was done using 3D/4D STIC imaging and volume datasets. Prenatal findings were correlated with angiographic findings during stenting and the degree of agreement was calculated.

Results:
We included 27 fetuses with a prenatal diagnosis of CHD with DDPC who underwent neonatal ductal stenting. The accuracy of prenatal assessment of PA anatomy, branch PA stenosis, and arch sidedness was 100%, 92.6%, and 88.9%, respectively. The accuracy of prenatal assessment of ductal origin and course, compared with angiography, was 85.2% and 88.9%, respectively. Prenatal imaging had a diagnostic accuracy of 100% for vertical straight and horizontal tortuous ducts, 84.6% for vertical tortuous, and 67% for horizontal straight ducts. Duct stenting was successful in 25 (92.6%) babies; two died after the procedure from stent occlusion.

Conclusion:
Fetal echocardiography using 3D/4D STIC imaging enables accurate delineation of the morphology of ductus arteriosus in fetuses with DDPC, thereby aiding parental counseling and planning neonatal ductal stenting.
Gliosarcoma in a patient with triple-negative breast cancer: A case report
Authors: Zhao Guojie , Huang Wenxian , Lian Haiwei 
Published: January 2024

Abstract
Gliosarcoma is a rare subtype of glioblastoma with the histological features of both glioblastoma and soft-tissue sarcoma. Triple-negative breast cancer (TNBC) is a special type of breast cancer that is different from other breast cancers. It is characterized by strong invasiveness, high recurrence rate, and poor prognosis. The concurrent occurrence of gliosarcoma and TNBC was rarely seen and reported. A 63-year-old woman with a history of TNBC was found to have an intracranial mass due to headache. Intracranial tumor resection surgery was undergone, and histopathological examination postoperation revealed gliosarcoma. After craniotomy, the patient underwent standard radiotherapy and chemotherapy. Postoperative follow-up observation showed no obvious recurrence of either tumor. In conclusion, gliosarcoma and TNBC are tumors with poor prognosis. It is rare to encounter two types of malignant tumors in the same patient. When we encounter intracranial space-occupying patients with a history of malignant tumors, we should first consider tumor metastasis. When excluding the possibility of cancer metastasis, the possibility of two primary tumors should be considered.
Role of Metabolic Surgery in Polycystic Ovarian Disease with Obesity in the Asian Population: A Systematic Narrative Literature Review
Authors: Veetil Deepa Kizhakke , Wadhawan Randeep 
Published: January 2024

Abstract
Polycystic ovarian syndrome is becoming more prevalent (up to 13%) among young women of reproductive age with obesity. Lifestyle modifications remain the first line of management of obesity in these individuals. Bariatric and metabolic surgery (BMS) has a role in achieving significant and sustained weight loss in cases where lifestyle modifications alone are not effective. A detailed systematic narrative literature review was undertaken to understand the role of BMS in this subset of individuals to help recommend management strategies in women with polycystic ovarian syndrome, obesity, and infertility among the Asian population. BMS has been documented to correct menstrual irregularities (from 81% to 15%, odds ratio = 0.03, 95% confidence interval: 0.01–0.08), hirsutism from 71% to 38% (odds ratio = 0.21, 95% confidence interval: 0.06–0.74), and endocrine abnormalities associated with polycystic ovarian syndrome. Improvement in infertility (high incidence of nearly 58%) was noted with normalization of the body mass index (BMI) postsurgery in some studies. Larger sample size studies with a longer follow-up are required to enable the development of guidelines on the role of BMS in the improvement of infertility in patients with polycystic ovarian syndrome. The superiority of one type of technique of BMS has not been demonstrated for improving the fertility rates (P = 0.9) among the different types of surgical procedures and pregnancy rates. Different regions of the world will need different BMI cutoffs while managing the endocrine abnormalities, menstrual irregularities, and associated infertility of women with polycystic ovarian syndrome and obesity. This systematic narrative literature review is an attempt to study the relevant literature in this field with a special focus on the Asian population.
Calotropis-induced toxic keratitis managed with teleophthalmology services in rural India
Authors: Nibandhe Ananya Sudhir , Murthy Somasheila , Rathi Varsha M. 
Published: January 2024

Abstract
A female laborer presented with acute diminution of vision in her right eye following accidental injury with a sap of Calotropis flower. The patient was diagnosed with Calotropis-mediated endothelial toxicity based on clinical findings and started on a course of topical steroids. The patient had to face several logistical challenges such as distance of travel, loss of daily wages, and nonavailability of a family member to accompany her. She was then followed up with sequential imaging of the cornea utilizing the teleophthalmology services of our institute at the rural vision center located in the vicinity of patient’s house. Seven days later, the cornea had completely cleared with improvement in the best-corrected visual acuity. This case demonstrates Calotropis-induced endothelial toxicity which is very common in remote rural areas and its effective management using the mobile or tablet-based teleophthalmology application of our institute’s three-tier eyecare pyramid model.
Conjunctival lymphangiectasia: An atypical ocular finding and management approach
Authors: Ambani Rushil Hemang , Purohit Dipali M. 
Published: January 2024

Abstract
Conjunctival lymphangiectasia is a rare ocular condition characterized by dilated lymphatic vessels in the conjunctiva. Patients may experience symptoms such as foreign-body sensation, congestion, and irritation or may remain asymptomatic. We present the case of a 61-year-old female who presented with a painless, elevated lesion on her right eye’s conjunctiva. The diagnosis of conjunctival lymphangiectasia was confirmed through clinical examination and histopathological analysis. This case report highlights this uncommon ocular disorder’s clinical features, diagnostic approach, and management.
Optical coherence tomography angiography as a diagnostic tool to detect non-exudative neovascular membranes upon retinal pigmented epithelium irregularities and the shallow irregular retinal pigmented epithelium elevation sign
Authors: Miranda Vítor , Vaz-Pereira Sara , Duarte Lilianne 
Published: January 2024

Abstract

Purpose:
To highlight the high positive predictive value of the retinal pigmentary epithelium (RPE) irregularity and the shallow irregular retinal pigmented epithelium elevation (SIRE) sign in identifying nonexudative neovascular membranes and underscore the usefulness of these signs in clinical practice.

Methods:
Retrospective case series analysis conducted in the medical retina clinic in one center.

Results:
Seven cases of patients with nonexudative neovascular membranes confirmed with optical coherence tomography angiography (OCTA) imaging where RPE irregularity and/or SIRE sign had been described on standard structural optical coherence tomography (OCT).

Conclusion:
In this case series, we present a variety of phenotypes, some with apparently benign alterations, in which NE-MNV has been identified. Our findings suggest that OCTA screening for neovascular membranes is a useful tool for any patient presenting with irregular RPE and SIRE signal in their structural OCT image.
Prevalence of eye injury in India: A meta-analysis
Authors: Shah Mehul , Shah Shreya 
Published: January 2024

Abstract
Prevalence of ocular trauma is debatable in India due to the inconsistent findings of different studies from diverse regions. Moreover, few cross-sectional studies on this topic are available. We searched for relevant published Indian studies in PubMed and screened for duplicates. We selected 28 studies and analyzed information regarding study participants and demographics. The mean prevalence derived from all cross-sectional studies were utilized for the entire Indian population. Out Of 10997 articles, we found 2134 studies after the removal of duplicates. Of the 121 eligible studies, we selected 28 studies. The prevalence was 3.75% when we applied the data to the Indian population, and 37,33,333 individuals sustained ocular injury, which resulted in blindness or visual impairment. Ocular injuries mainly contribute to impaired vision and blindness. Preventive strategies should be developed to lower ocular injury occurrence.
Orbital exenteration: Our experience at a tertiary cancer center
Authors: Patil Sangeeta S. , Kagde Sarita Arun , Jadhav Vikrant Madhukar 
Published: January 2024

Abstract

Background:
Orbital exenteration (OE) is a radical procedure, involving the removal of all orbital contents including orbital fat, globe, conjunctival sac, and part or all of eyelids. It is indicated for malignant tumors of orbital structures not treatable with simple excision or radiotherapy. Lid-sparing OE can be used in cases where the orbital tumors does not involve the eyelids.

Aim:
The aim of the study is to describe our experience of OE at a tertiary cancer center over 5 years.

Materials and Methods:
This is a retrospective study. Surgical records of patients, who underwent OE from June 2017 to June 2022, were examined to determine demographics, indications, site of lesions, histological diagnosis, any previous surgery, neoadjunctive and adjunctive treatments, complications, recurrences, and Computed tomography scan/magnetic resonance imaging findings.

Settings and Design:
This is a descriptive, observational, retrospective study.

Statistical Method:
Data were entered in Microsoft Excel version 2023 and analyzed in the form of numbers and percentages.

Results:
A total of 12 cases were included in the study. The mean age of patients was 64.33 years. Presenting symptoms were protrusion of an eyeball in four cases, ocular surface growth in four, decreased vision in one, and eyelid mass in three cases. Three cases were of basal cell carcinoma (25%), one of choroidal melanoma (8.33%), five of invasive squamous cell carcinoma (SCC) (41.67%), two of sebaceous gland carcinoma (16.67%), and one of recurrent optic nerve schwannoma (8.33%). The site of origin of tumor was conjunctiva (n = 5) in 41.67%, eyelid (n = 5) in 41.67%, globe in (n = 1) 8.33%, and orbit in (n = 1) 8.33% of cases. Surgical margins were free of tumor in 10 patients, but positive in two patients. The mean duration of follow-up was 8.08 months with a range of 2–33 months.

Conclusions:
The most common indication for OE is SCC of conjunctiva. OE is still indicated in some cases of orbital tumors, although recent advances in earlier diagnosis and alternative conservative treatment options are available.
Evaluation of Surface Changes of Stainless Steel Miniplates and Screws Following Retrieval from Maxillofacial Trauma and Orthognathic Surgery Patients: A Comparative Study
Authors: Singh Himanshu P. , Kataria Prerna , Shukla Ruchira , Peswani Khushboo Chhabaria , Kharkar Viraj , Gaikwad Shashank S. , Makkad Ramanpal S. 
Published: January 2024

ABSTRACT

Background:
This study examines the surface changes of stainless steel miniplates and screws after their retrieval from patients who underwent maxillofacial trauma and orthognathic surgery. The assessment focuses on comparing the alterations in these materials, aiming to contribute to our understanding of their durability and performance in clinical settings

Materials and Methods:
A total of 60 stainless steel miniplates and screws were collected from 30 patients who had previously undergone either maxillofacial trauma or orthognathic surgery. The retrieved miniplates and screws were carefully removed from the patients and cleaned to remove any organic debris. Each specimen was then examined for surface changes. Surface changes were evaluated using visual inspection, scanning electron microscopy (SEM), and roughness measurements. Visual inspection provided a qualitative assessment, while SEM allowed for a more detailed examination of the surfaces. Roughness measurements were conducted using a profilometer.

Results:
Visual inspection revealed varying degrees of surface changes in the retrieved miniplates and screws. These changes included scratches, corrosion, and discoloration. SEM analysis confirmed the presence of surface alterations, with some specimens showing more significant damage, such as pitting and cracks. Roughness measurements indicated an increase in surface roughness for both miniplates and screws, suggesting that the surfaces had become less smooth

Conclusion:
This comparative study of stainless steel miniplates and screws retrieved from maxillofacial trauma and orthognathic surgery patients demonstrated that these materials undergo surface changes over time.