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Shpigelman E, Hochstadt A, Coster D, Merdler I, Ghantous E, Szekely Y, Lichter Y, Taieb P, Banai A, Sapir O, Granot Y, Lupu L, Borohovitz A, Sadon S, Banai S, Rubinshtein R, Topilsky Y, Shamir R. Clustering of clinical and echocardiographic phenotypes of covid-19 patients. Sci Rep 2023; 13:8832. [PMID: 37258639 DOI: 10.1038/s41598-023-35449-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Accepted: 05/18/2023] [Indexed: 06/02/2023] Open
Abstract
We sought to divide COVID-19 patients into distinct phenotypical subgroups using echocardiography and clinical markers to elucidate the pathogenesis of the disease and its heterogeneous cardiac involvement. A total of 506 consecutive patients hospitalized with COVID-19 infection underwent complete evaluation, including echocardiography, at admission. A k-prototypes algorithm applied to patients' clinical and imaging data at admission partitioned the patients into four phenotypical clusters: Clusters 0 and 1 were younger and healthier, 2 and 3 were older with worse cardiac indexes, and clusters 1 and 3 had a stronger inflammatory response. The clusters manifested very distinct survival patterns (C-index for the Cox proportional hazard model 0.77), with survival best for cluster 0, intermediate for 1-2 and worst for 3. Interestingly, cluster 1 showed a harsher disease course than cluster 2 but with similar survival. Clusters obtained with echocardiography were more predictive of mortality than clusters obtained without echocardiography. Additionally, several echocardiography variables (E' lat, E' sept, E/e average) showed high discriminative power among the clusters. The results suggested that older infected males have a higher chance to deteriorate than older infected females. In conclusion, COVID-19 manifests differently for distinctive clusters of patients. These clusters reflect different disease manifestations and prognoses. Although including echocardiography improved the predictive power, its marginal contribution over clustering using clinical parameters only does not justify the burden of echocardiography data collection.
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Affiliation(s)
- Eran Shpigelman
- The Blavatnik School of Computer Science, Tel Aviv University, P.O. Box 39040, 6997801, Tel Aviv, Israel
| | - Aviram Hochstadt
- Department of Cardiology, Tel Aviv Sourasky Medical Center, Dafna St 5, Tel Aviv-Yafo, Israel
- Heart Institute, Edith Wolfson Medical Center, Ha-Lokhamim St 62, 5822012, Holon, Israel
- The Sackler School of Medicine, The Tel-Aviv University, Tel Aviv, Israel
| | - Dan Coster
- The Blavatnik School of Computer Science, Tel Aviv University, P.O. Box 39040, 6997801, Tel Aviv, Israel
| | - Ilan Merdler
- Department of Cardiology, Tel Aviv Sourasky Medical Center, Dafna St 5, Tel Aviv-Yafo, Israel
- The Sackler School of Medicine, The Tel-Aviv University, Tel Aviv, Israel
| | - Eihab Ghantous
- Department of Cardiology, Tel Aviv Sourasky Medical Center, Dafna St 5, Tel Aviv-Yafo, Israel
- The Sackler School of Medicine, The Tel-Aviv University, Tel Aviv, Israel
| | - Yishay Szekely
- Department of Cardiology, Tel Aviv Sourasky Medical Center, Dafna St 5, Tel Aviv-Yafo, Israel
- The Sackler School of Medicine, The Tel-Aviv University, Tel Aviv, Israel
| | - Yael Lichter
- Department of Cardiology, Tel Aviv Sourasky Medical Center, Dafna St 5, Tel Aviv-Yafo, Israel
- The Sackler School of Medicine, The Tel-Aviv University, Tel Aviv, Israel
| | - Philippe Taieb
- Department of Cardiology, Tel Aviv Sourasky Medical Center, Dafna St 5, Tel Aviv-Yafo, Israel
- The Sackler School of Medicine, The Tel-Aviv University, Tel Aviv, Israel
| | - Ariel Banai
- Department of Cardiology, Tel Aviv Sourasky Medical Center, Dafna St 5, Tel Aviv-Yafo, Israel
- The Sackler School of Medicine, The Tel-Aviv University, Tel Aviv, Israel
| | - Orly Sapir
- Department of Cardiology, Tel Aviv Sourasky Medical Center, Dafna St 5, Tel Aviv-Yafo, Israel
- The Sackler School of Medicine, The Tel-Aviv University, Tel Aviv, Israel
| | - Yoav Granot
- Department of Cardiology, Tel Aviv Sourasky Medical Center, Dafna St 5, Tel Aviv-Yafo, Israel
- The Sackler School of Medicine, The Tel-Aviv University, Tel Aviv, Israel
| | - Lior Lupu
- Department of Cardiology, Tel Aviv Sourasky Medical Center, Dafna St 5, Tel Aviv-Yafo, Israel
- The Sackler School of Medicine, The Tel-Aviv University, Tel Aviv, Israel
| | - Ariel Borohovitz
- Department of Cardiology, Tel Aviv Sourasky Medical Center, Dafna St 5, Tel Aviv-Yafo, Israel
- The Sackler School of Medicine, The Tel-Aviv University, Tel Aviv, Israel
| | - Sapir Sadon
- Department of Cardiology, Tel Aviv Sourasky Medical Center, Dafna St 5, Tel Aviv-Yafo, Israel
- The Sackler School of Medicine, The Tel-Aviv University, Tel Aviv, Israel
| | - Shmuel Banai
- Department of Cardiology, Tel Aviv Sourasky Medical Center, Dafna St 5, Tel Aviv-Yafo, Israel
- The Sackler School of Medicine, The Tel-Aviv University, Tel Aviv, Israel
| | - Ronen Rubinshtein
- Heart Institute, Edith Wolfson Medical Center, Ha-Lokhamim St 62, 5822012, Holon, Israel
- The Sackler School of Medicine, The Tel-Aviv University, Tel Aviv, Israel
| | - Yan Topilsky
- Department of Cardiology, Tel Aviv Sourasky Medical Center, Dafna St 5, Tel Aviv-Yafo, Israel
- The Sackler School of Medicine, The Tel-Aviv University, Tel Aviv, Israel
| | - Ron Shamir
- The Blavatnik School of Computer Science, Tel Aviv University, P.O. Box 39040, 6997801, Tel Aviv, Israel.
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Coster D, Rafie A, Savion-Gaiger N, Rachmiel R, Kurtz S, Berliner S, Shapira I, Zeltser D, Rogowski O, Shenhar-Tsarfaty S, Waisbourd M. The effect of body mass index reduction on intraocular pressure in a large prospective cohort of apparently healthy individuals in Israel. PLoS One 2023; 18:e0285759. [PMID: 37196013 DOI: 10.1371/journal.pone.0285759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 05/01/2023] [Indexed: 05/19/2023] Open
Abstract
PURPOSE To investigate the effect of change in body mass index (BMI) on intraocular pressure (IOP) in a large cohort of apparently healthy volunteers who underwent an annual comprehensive screening examinations. METHODS This study included individuals who were enrolled in the Tel Aviv Medical Center Inflammation Survey (TAMCIS) and had IOP and BMI measurements at their baseline and follow up visits. Relationships between BMI and IOP and the effect of change in BMI on IOP were investigated. RESULTS A total of 7,782 individuals had at least one IOP measurement at their baseline visit, and 2,985 individuals had ≥2 visits recorded. The mean (SD) IOP (right eye) was 14.6 (2.5) mm Hg and mean (SD) BMI was 26.4 (4.1) kg/m2. IOP positively correlated with BMI levels (r = 0.16, p<0.0001). For individuals with morbid obesity (BMI≥35 kg/m2) and ≥2 visits, a change in BMI between the baseline and first follow-up visits correlated positively with a change in the IOP (r = 0.23, p = 0.029). Subgroup analysis of subjects who had a reduction of at least 2 BMI units showed a stronger positive correlation between change in BMI and change in IOP (r = 0.29, p<0.0001). For this subgroup, a reduction of 2.86 kg/m2 of BMI was associated with a reduction of 1 mm Hg in IOP. CONCLUSIONS BMI loss correlated with reduction in IOP, and this correlation was more pronounced among morbidly obese individuals.
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Affiliation(s)
- Dan Coster
- Blavatnik School of Computer Science, Tel-Aviv University, Tel-Aviv, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel
| | - Ariel Rafie
- Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel
| | - Noam Savion-Gaiger
- Division of Ophthalmology, Tel Aviv Medical Center, Affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel
| | - Rony Rachmiel
- Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel
- Division of Ophthalmology, Tel Aviv Medical Center, Affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel
| | - Shimon Kurtz
- Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel
- Division of Ophthalmology, Tel Aviv Medical Center, Affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel
| | - Shlomo Berliner
- Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel
- Division of Internal Medicine, Tel-Aviv Sourasky Medical Center, Affiliated to the Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Itzhak Shapira
- Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel
- Division of Internal Medicine, Tel-Aviv Sourasky Medical Center, Affiliated to the Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - David Zeltser
- Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel
- Division of Internal Medicine, Tel-Aviv Sourasky Medical Center, Affiliated to the Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Ori Rogowski
- Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel
- Division of Internal Medicine, Tel-Aviv Sourasky Medical Center, Affiliated to the Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Shani Shenhar-Tsarfaty
- Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel
- Division of Internal Medicine, Tel-Aviv Sourasky Medical Center, Affiliated to the Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Michael Waisbourd
- Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel
- Division of Ophthalmology, Tel Aviv Medical Center, Affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel
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Yu. Senichenkov I, Poletaeva A, Kaveeva E, Veselova I, Rozhansky V, Coster D, Bonnin X, Pitts R. SOLPS-ITER modeling of Ar and N seeded discharges in ASDEX Upgrade and ITER. Nuclear Materials and Energy 2022. [DOI: 10.1016/j.nme.2022.101361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Coster D, Kodesh A, Fardman A, Tiosano S, Moshkovits Y, Bernstein D, Kaplan A, Shamir R, Maor E. Decreasing albumin within normal range is associated with increased likelihood of ischemic heart disease. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Albumin (ALB) is a known biomarker of frailty, and cardiovascular disease and frailty are interdependent. Epidemiological evidence demonstrates that low serum albumin levels are linked to events of ischemic heart disease (IHD), venous thromboembolism, heart failure, atrial fibrillation, and stroke.
Purpose
We aimed to investigate the association of variations in ALB levels that are within normal range with IHD events among apparently healthy adults.
Methods
A case-control retrospective study of self-referred adults participating in an executive screening program between 2002 and 2017. All subjects were free of IHD and diabetes at baseline and had their ALB documented in each visit. Only subjects with at least two ALB measurements and whose ALB levels were within the normal range at all visits were included. Relationships between ALB trend and occurrence of IHD (acute coronary syndrome or percutaneous coronary intervention) within 2 years from the last visit were investigated.
Results
The final study cohort included 16,386 subjects. Median age was 53 (IQR 45–60), 11,461 (70%) were men. Analysis included a total of 99,127 visits. Median number of visits per subject was 5 (IQR 3–9, median inter-visit time 1.02 years) and median ALB level was 4.4 (IQR 4.2–4.6). IHD within 2 years was diagnosed in 545 (3%) subjects. Of those, only 36 were female and they tended to have lower variations in ALB throughout the years. Hence, we conducted an analysis of the 509 males only, and created an equal-size age-matched cohort of IHD-free subjects. Our analysis demonstrated a progressive and significant decrease in ALB levels among IHD cases, but not among controls (mean decrease of 0.021 g/DL vs. 0.004 g/DL per year, p<0.01; OR [CI] = 0.82 [0.72–0.93]; Figure 1). Similar results were found among subjects with at least 3 or 4 visits (0.015 g/DL vs. 0.006 g/DL per year, p=0.027, and 0.009 g/DL vs. 0.003 g/DL per year, p=0.045, respectively).
Conclusions
Kinetics of ALB within the normal range can identify men at risk for IHD in preventive healthcare screening programs.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- D Coster
- Tel Aviv University, Computer Science , Tel Aviv , Israel
| | - A Kodesh
- Tel Aviv University, Sackler Faculty of Medicine , Tel Aviv , Israel
| | - A Fardman
- Tel Aviv University, Sackler Faculty of Medicine , Tel Aviv , Israel
| | - S Tiosano
- Tel Aviv University, Sackler Faculty of Medicine , Tel Aviv , Israel
| | - Y Moshkovits
- Tel Aviv University, Sackler Faculty of Medicine , Tel Aviv , Israel
| | - D Bernstein
- Tel Aviv University, Sackler Faculty of Medicine , Tel Aviv , Israel
| | - A Kaplan
- Tel Aviv University, Sackler Faculty of Medicine , Tel Aviv , Israel
| | - R Shamir
- Tel Aviv University, Computer Science , Tel Aviv , Israel
| | - E Maor
- Tel Aviv University, Sackler Faculty of Medicine , Tel Aviv , Israel
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Baum S, Atar I, Coster D, Dovrat S, Solomon M, Sprecher E, Zeeli T, Barzilai A. Relationship Between Pemphigus Vulgaris Severity and PCR-positive Herpes Simplex Virus. Acta Derm Venereol 2022; 102:adv00703. [PMID: 35393625 PMCID: PMC9631263 DOI: 10.2340/actadv.v102.917] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Pemphigus vulgaris is a rare autoimmune skin disease. Although herpes simplex virus has been associated with autoimmune diseases, evidence regarding its association with pemphigus vulgaris exacerbations is scarce. This retrospective cohort study aimed to characterize the epidemiological and clinical features of patients with pemphigus vulgaris who were herpes simplex-positive, compared with those who were herpes simplex-negative, during disease onset. Of 62 patients with pemphigus vulgaris who underwent PCR testing for herpes simplex virus, 25 (40.3%) were positive, with a mean age of 56.1 ± 15.5 years; 35.5% were male. The herpes-positive group had significantly elevated levels of C-reactive protein, Pemphigus Disease Activity Index score, and shorter time to relapse. The time to remission, number of exacerbations per year, and remission status were non-significantly elevated in the herpes-positive group. Thus, routine testing lesions from patients with pemphigus for herpes simplex virus should be performed. If positive, antiviral treatment should be initiated; and preventive antiviral treatment should be considered in severe cases.
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Affiliation(s)
- Sharon Baum
- Department of Dermatology, Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel.
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Hochstadt A, Shpigelman E, Coster D, Merdler I, Topilsky Y, Shamir R. CLUSTERING OF CLINICAL-ECHOCARDIOGRAPHIC PHENOTYPES OF COVID-19 DISEASE USING MACHINE-LEARNING TECHNIQUES. J Am Coll Cardiol 2022. [PMCID: PMC8972465 DOI: 10.1016/s0735-1097(22)03137-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Bernstein D, Coster D, Berliner S, Shapira I, Zeltser D, Rogowski O, Adler A, Halutz O, Levinson T, Ritter O, Shenhar-Tsarfaty S, Wasserman A. C-reactive protein velocity discriminates between acute viral and bacterial infections in patients who present with relatively low CRP concentrations. BMC Infect Dis 2021; 21:1210. [PMID: 34863104 PMCID: PMC8643010 DOI: 10.1186/s12879-021-06878-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 11/15/2021] [Indexed: 11/12/2022] Open
Abstract
Background To assess the utility of C-reactive protein (CRP) velocity to discriminate between patients with acute viral and bacterial infections who presented with relatively low CRP concentrations and were suspected of having a bacterial infection. Methods We analyzed a retrospective cohort of patients with acute infections who presented to the emergency department (ED) with a relatively low first CRP measurement (CRP1) ≤ 31.9 mg/L and received antibiotics shortly after. We then calculated C-reactive protein velocity (CRPv), milligram per liter per hour, for each patient based on CRP1 and the second CRP value (CRP2) measured within the first 24 h since admission. Finally, we compared CRPv between patients with bacterial and viral infections. Results We have presently analyzed 74 patients with acute bacterial infections and 62 patients with acute viral infections at the mean age of 80 and 66 years respectively, 68 male and 68 female. CRP1 did not differ between both groups of patients (16.2 ± 8.6 and 14.8 ± 8.5 for patients with viral and bacterial infections respectively, p value = 0.336). However, the CRP2 was significantly different between the groups (30.2 ± 21.9 and 75.6 ± 51.3 for patients with viral and bacterial infections respectively, p-value < 0.001) and especially the CRPv was much higher in patients with acute bacterial infections compared to patients with acute viral infections (0.9 ± 1.2 and 4.4 ± 2.7 respectively, p-value < 0.001). Conclusion CRPv and CRP2 are useful biomarkers that can discriminate significantly between patients who present with acute bacterial and viral infections, and relatively low CRP concentration upon admission who were suspected of having a bacterial infection. Supplementary Information The online version contains supplementary material available at 10.1186/s12879-021-06878-y.
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Affiliation(s)
- Daniel Bernstein
- Joyce & Irving Goldman Medical School, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beersheba, Israel
| | - Dan Coster
- Blavatnik School of Computer Science, Tel-Aviv University, Tel-Aviv, Israel
| | - Shlomo Berliner
- Departments of Internal Medicine "C", "D" and "E", Tel-Aviv Sourasky Medical Center, and Sackler Faculty of Medicine, Tel-Aviv University, 6 Weizmann Street, 64239, Tel Aviv, Israel
| | - Itzhak Shapira
- Departments of Internal Medicine "C", "D" and "E", Tel-Aviv Sourasky Medical Center, and Sackler Faculty of Medicine, Tel-Aviv University, 6 Weizmann Street, 64239, Tel Aviv, Israel
| | - David Zeltser
- Departments of Internal Medicine "C", "D" and "E", Tel-Aviv Sourasky Medical Center, and Sackler Faculty of Medicine, Tel-Aviv University, 6 Weizmann Street, 64239, Tel Aviv, Israel
| | - Ori Rogowski
- Departments of Internal Medicine "C", "D" and "E", Tel-Aviv Sourasky Medical Center, and Sackler Faculty of Medicine, Tel-Aviv University, 6 Weizmann Street, 64239, Tel Aviv, Israel
| | - Amos Adler
- Clinical Microbiology Laboratory, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel
| | - Ora Halutz
- Clinical Microbiology Laboratory, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel
| | - Tal Levinson
- Departments of Internal Medicine "C", "D" and "E", Tel-Aviv Sourasky Medical Center, and Sackler Faculty of Medicine, Tel-Aviv University, 6 Weizmann Street, 64239, Tel Aviv, Israel. .,Infectious Diseases Unit, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel.
| | - Omri Ritter
- Department of Emergency Medicine, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel
| | - Shani Shenhar-Tsarfaty
- Departments of Internal Medicine "C", "D" and "E", Tel-Aviv Sourasky Medical Center, and Sackler Faculty of Medicine, Tel-Aviv University, 6 Weizmann Street, 64239, Tel Aviv, Israel
| | - Asaf Wasserman
- Departments of Internal Medicine "C", "D" and "E", Tel-Aviv Sourasky Medical Center, and Sackler Faculty of Medicine, Tel-Aviv University, 6 Weizmann Street, 64239, Tel Aviv, Israel
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Menes TS, Coster D, Coster D, Shenhar-Tsarfaty S. Contribution of clinical breast exam to cancer detection in women participating in a modern screening program. BMC Womens Health 2021; 21:368. [PMID: 34666735 PMCID: PMC8524962 DOI: 10.1186/s12905-021-01507-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 09/23/2021] [Indexed: 11/24/2022]
Abstract
Purpose Despite the controversy surrounding the role of clinical breast exam (CBE) in modern breast cancer screening, it is widely practiced. We examined the contribution of CBE in women undergoing routine screening mammography and in women under the screening age. Methods A retrospective cohort study including all women participating in a voluntary health screening program between 2007 and 2016. All participants undergo CBE; Screening mammography is done selectively based on age, breast imaging history and insurance coverage. Data collected included demographics, risk factors, previous imaging, and findings on CBE and mammography. Cancer detection rates within 3 months of the visit were calculated separately for women undergoing routine screening mammography, and women under the screening age. Results There were 14,857 CBE completed in 8378; women; 7% were abnormal. Within 3 months of the visit, 35 breast cancers (2.4 per 1000 visits) were diagnosed. In women within the screening age who completed a mammogram less than one year prior to the visit (N = 1898), 4 cancers (2.1 cancers per 1000 visits) were diagnosed. Only one was diagnosed in a woman with an abnormal CBE, suggesting that the cancer detection rate of CBE in women undergoing regular screening is very low (0.5 per 1000 visits). In women under the screening age (45), 3 cancers (0.4 per 1000 visits) were diagnosed; all were visualized on mammography, one had an abnormal CBE. Conclusions The contribution of CBE to cancer detection in women undergoing routine screening and in women under the screening age is rare. Supplementary Information The online version contains supplementary material available at 10.1186/s12905-021-01507-x.
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Affiliation(s)
- Tehillah S Menes
- Department of Surgery, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel. .,Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel. .,Department of Surgery C and Surgical Oncology, Chaim Sheba Medical Center, Ramat Gan, Israel.
| | - Dan Coster
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.,Blavatnik School of Computer Science, Tel-Aviv University, Tel Aviv, Israel
| | - Daniel Coster
- Joyce and Irving Goldman Medical School, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Shani Shenhar-Tsarfaty
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.,Department of Internal Medicine "C", "D" and "E", Tel-Aviv Sourasky Medical Center, Tel Aviv, Israel
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Schupper A, Almashanu S, Coster D, Keidar R, Betser M, Sagiv N, Bassan H. Metabolic biomarkers of small and large for gestational age newborns. Early Hum Dev 2021; 160:105422. [PMID: 34271419 DOI: 10.1016/j.earlhumdev.2021.105422] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 05/19/2021] [Accepted: 06/30/2021] [Indexed: 01/23/2023]
Abstract
BACKGROUND Small for gestational age (SGA) and large for gestational age (LGA) newborns are at increased risk for developmental, metabolic and cardiovascular morbidities. AIMS To compare the metabolic biomarkers of SGA and LGA infants with those of appropriate for gestational age (AGA) newborns in order to shed more light on a possible pathogenesis of those morbidities. STUDY DESIGN An observational retrospective study. SUBJECTS 70,809 term newborns divided into AGA, SGA, LGA, and severe subcategories (<3rd percentile or ≥97th percentile). OUTCOME MEASURES 18 metabolites were measured by dried blood tandem mass spectrometry and compared in between groups in univariate and multivariate logistic regression. RESULTS SGA newborns had a significant likelihood for elevated methionine, proline, free carnitine, and reduced valine levels compared to AGA newborns (P < .0001). Severe SGA showed more apparent trends including elevated leucine. LGA newborns had a significant likelihood for low citrulline, glutamine, proline, tyrosine, and elevated leucine levels (P ≤ .0033). Severe LGA newborns showed the same trends, with the exception of citrulline and glutamine. CONCLUSIONS SGA and LGA newborns demonstrate distinct metabolic biomarkers in newborn screening. Most of the altered metabolites in the SGA group were elevated while those in the LGA group were decreased in comparison to AGA newborns. These trends were more apparent in the severe SGA subgroup while they mostly remained the same in the severe LGA subgroup. Whether these metabolic changes are involved with or can predict long-term outcome awaits further trials.
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Affiliation(s)
- Aviv Schupper
- Department of Pediatrics, Shamir (Assaf Harofeh) Medical Center, Zerifin, Israel, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Shlomo Almashanu
- National Newborn Screening Program, Public Health Services, Ministry of Health, Israel
| | - Dan Coster
- Blavatnik School of Computer Science, Tel-Aviv University, Tel-Aviv, Israel; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Rimona Keidar
- Department of Neonatology, Shamir (Assaf Harofeh) Medical Center, Zerifin, Israel, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Moshe Betser
- Labor & Delivery Department, Shamir (Assaf Harofeh) Medical Center, Zerifin, Israel, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | | | - Haim Bassan
- Pediatric Neurology & Development Center, Shamir (Assaf Harofeh) Medical Center, Zerifin, Israel, Affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
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Militello F, Aho-Mantila L, Ambrosino R, Body T, Bufferand H, Calabro G, Ciraolo G, Coster D, Di Gironimo G, Fanelli P, Fedorczak N, Herrmann A, Innocente P, Kembleton R, Lilburne J, Lunt T, Marzullo D, Merriman S, Moulton D, Nielsen A, Omotani J, Ramogida G, Reimerdes H, Reinhart M, Ricci P, Riva F, Stegmeir A, Subba F, Suttrop W, Tamain P, Teschke M, Thrysoe A, Treutterer W, Varoutis S, Wensing M, Wilde A, Wischmeier M, Xiang L. Preliminary analysis of alternative divertors for DEMO. Nuclear Materials and Energy 2021. [DOI: 10.1016/j.nme.2021.100908] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Rozhansky V, Kaveeva E, Senichenkov I, Sorokina D, Vekshina E, Coster D, McCarthy P, Khromov N. Currents structure in the scrape-off layer of a tokamak. Nuclear Materials and Energy 2020. [DOI: 10.1016/j.nme.2020.100840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Romanelli M, Coelho R, Coster D, Ferreira J, Fleury L, Henderson S, Hollocombe J, Imbeaux F, Jonsson T, Kogan L, Meneghini O, Merle A, Pinches SD, Sauter O, Tardini G, Yadykin D, Smith S, Strand P, WPCD Team. Code Integration, Data Verification, and Models Validation Using the ITER Integrated Modeling and Analysis System (IMAS) in EUROfusion. Fusion Science and Technology 2020. [DOI: 10.1080/15361055.2020.1819751] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- M. Romanelli
- UKAEA, Culham Science Centre, Abingdon, OX143DB, United Kingdom
| | - R. Coelho
- ISFN, Instituto Superior Técnico, Lisbon, Portugal
| | - D. Coster
- Max-Planck Institute for Plasma Physics, Garching, Germany
| | - J. Ferreira
- ISFN, Instituto Superior Técnico, Lisbon, Portugal
| | - L. Fleury
- CEA, IRFM, Saint-Paul-lez-Durance, France 13067
| | - S. Henderson
- UKAEA, Culham Science Centre, Abingdon, OX143DB, United Kingdom
| | - J. Hollocombe
- UKAEA, Culham Science Centre, Abingdon, OX143DB, United Kingdom
| | - F. Imbeaux
- CEA, IRFM, Saint-Paul-lez-Durance, France 13067
| | - T. Jonsson
- Royal Institute of Technology, Stockholm, Sweden
| | - L. Kogan
- UKAEA, Culham Science Centre, Abingdon, OX143DB, United Kingdom
| | | | - A. Merle
- Ecole Polytechnique Fédérale de Lausanne (EPFL), Swiss Plasma Center (SPC), CH-1015, Lausanne, Switzerland
| | - S. D. Pinches
- ITER Organization, 13067 St Paul-lez-Durance Cedex, France
| | - O. Sauter
- Ecole Polytechnique Fédérale de Lausanne (EPFL), Swiss Plasma Center (SPC), CH-1015, Lausanne, Switzerland
| | - G. Tardini
- Max-Planck Institute for Plasma Physics, Garching, Germany
| | - D. Yadykin
- SEE, Chalmers University of Technology, Gothenburg, Sweden
| | - S. Smith
- General Atomics, San Diego, California
| | - P. Strand
- SEE, Chalmers University of Technology, Gothenburg, Sweden
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Voitsekhovitch I, Hatzky R, Coster D, Imbeaux F, McDonald DC, Fehér TB, Kang KS, Leggate H, Martone M, Mochalskyy S, Sáez X, Ribeiro T, Tran TM, Gutierrez-Milla A, Aniel T, Figat D, Fleury L, Hoenen O, Hollocombe J, Kaljun D, Manduchi G, Owsiak M, Pais V, Palak B, Plociennik M, Signoret J, Vouland C, Yadykin D, Robin F, Iannone F, Bracco G, David J, Maslennikov A, Noé J, Rossi E, Kamendje R, Heuraux S, Hölzl M, Pinches SD, Da Silva F, Tskhakaya D. Recent EUROfusion Achievements in Support of Computationally Demanding Multiscale Fusion Physics Simulations and Integrated Modeling. Fusion Science and Technology 2018. [DOI: 10.1080/15361055.2018.1424483] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- I. Voitsekhovitch
- United Kingdom Atomic Energy Authority, CCFE, Culham Science Centre, Abingdon OX14 3DB, United Kingdom
| | - R. Hatzky
- Max-Planck-Institut für Plasmaphysik, Garching D-85748, Germany
| | - D. Coster
- Max-Planck-Institut für Plasmaphysik, Garching D-85748, Germany
| | - F. Imbeaux
- CEA, Institute for Magnetic Fusion Research, F-13108 Saint-Paul-lez-Durance, France
| | - D. C. McDonald
- United Kingdom Atomic Energy Authority, CCFE, Culham Science Centre, Abingdon OX14 3DB, United Kingdom
- EUROfusion Programme Management Unit, Garching, Germany
| | - T. B. Fehér
- Max-Planck-Institut für Plasmaphysik, Garching D-85748, Germany
| | - K. S. Kang
- Max-Planck-Institut für Plasmaphysik, Garching D-85748, Germany
| | | | - M. Martone
- Max-Planck-Institut für Plasmaphysik, Garching D-85748, Germany
| | - S. Mochalskyy
- Max-Planck-Institut für Plasmaphysik, Garching D-85748, Germany
| | - X. Sáez
- Barcelona Supercomputing Center, 08034 Barcelona, Spain
| | - T. Ribeiro
- Max-Planck-Institut für Plasmaphysik, Garching D-85748, Germany
| | - T.-M. Tran
- Swiss Plasma Centre (SPC), 1015 Lausanne, Switzerland
| | | | - T. Aniel
- CEA, Institute for Magnetic Fusion Research, F-13108 Saint-Paul-lez-Durance, France
| | - D. Figat
- Poznan Supercomputing and Networking Center, Poznan, Poland
| | - L. Fleury
- CEA, Institute for Magnetic Fusion Research, F-13108 Saint-Paul-lez-Durance, France
| | - O. Hoenen
- Max-Planck-Institut für Plasmaphysik, Garching D-85748, Germany
| | - J. Hollocombe
- United Kingdom Atomic Energy Authority, CCFE, Culham Science Centre, Abingdon OX14 3DB, United Kingdom
| | - D. Kaljun
- University of Ljubljana, Kongresni trg 12-1000, Ljubljana, Slovenia
| | - G. Manduchi
- Consorzio RFX, Corso Stati Uniti 4, 35127 Padova, Italy
| | - M. Owsiak
- Poznan Supercomputing and Networking Center, Poznan, Poland
| | - V. Pais
- National Institute for Laser, Plasma and Radiation Physics, P.O. Box MG-36, 077125 Magurele, Bucharest, Romania
| | - B. Palak
- Poznan Supercomputing and Networking Center, Poznan, Poland
| | - M. Plociennik
- Poznan Supercomputing and Networking Center, Poznan, Poland
| | - J. Signoret
- CEA, Institute for Magnetic Fusion Research, F-13108 Saint-Paul-lez-Durance, France
| | - C. Vouland
- CEA, Institute for Magnetic Fusion Research, F-13108 Saint-Paul-lez-Durance, France
| | - D. Yadykin
- Chalmers University of Technology, S-41296 Göteborg, Sweden
| | - F. Robin
- CEA-DRF, Centre de Saclay, 91191 Gif-sur-Yvette, France
| | | | | | - J. David
- CEA-DRF, Centre de Saclay, 91191 Gif-sur-Yvette, France
| | - A. Maslennikov
- CINECA, via Magnanelli 6/3, 40033 Casalecchio di Reno, Bologna, Italy
| | - J. Noé
- CEA-DRF, Centre de Saclay, 91191 Gif-sur-Yvette, France
| | - E. Rossi
- CINECA, via Magnanelli 6/3, 40033 Casalecchio di Reno, Bologna, Italy
| | - R. Kamendje
- EUROfusion Programme Management Unit, Garching, Germany
- Graz University of Technology, Institut fuer Theoretische Physik—Computational Physics, A-8010 Graz, Austria
| | - S. Heuraux
- CNRS-Université de Lorraine, Institute Jean Lamour UMR 7198, BP 70239 F-54506, Vandoeuvre, France
| | - M. Hölzl
- Max-Planck-Institut für Plasmaphysik, Garching D-85748, Germany
| | - S. D. Pinches
- ITER Organization, Route de Vinon-sur-Verdon, CS 90 046, 13067 St Paul Lez Durance Cedex, France
| | - F. Da Silva
- Instituto de Plasmas e Fusão Nuclear—Laboratório Associado, 1046-001 Lisboa, Portugal
| | - D. Tskhakaya
- Vienna University of Technology, Institute of Applied Physics, Fusion@ÖAW, A-1040 Vienna, Austria
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Dux R, Loarte A, Angioni C, Coster D, Fable E, Kallenbach A. The interplay of controlling the power exhaust and the tungsten content in ITER. Nuclear Materials and Energy 2017. [DOI: 10.1016/j.nme.2016.10.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Borgdorff J, Ben Belgacem M, Bona-Casas C, Fazendeiro L, Groen D, Hoenen O, Mizeranschi A, Suter JL, Coster D, Coveney PV, Dubitzky W, Hoekstra AG, Strand P, Chopard B. Performance of distributed multiscale simulations. Philos Trans A Math Phys Eng Sci 2014; 372:rsta.2013.0407. [PMID: 24982258 PMCID: PMC4084531 DOI: 10.1098/rsta.2013.0407] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Multiscale simulations model phenomena across natural scales using monolithic or component-based code, running on local or distributed resources. In this work, we investigate the performance of distributed multiscale computing of component-based models, guided by six multiscale applications with different characteristics and from several disciplines. Three modes of distributed multiscale computing are identified: supplementing local dependencies with large-scale resources, load distribution over multiple resources, and load balancing of small- and large-scale resources. We find that the first mode has the apparent benefit of increasing simulation speed, and the second mode can increase simulation speed if local resources are limited. Depending on resource reservation and model coupling topology, the third mode may result in a reduction of resource consumption.
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Affiliation(s)
- J Borgdorff
- Computational Science, Informatics Institute, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - M Ben Belgacem
- Computer Science Department, University of Geneva, 1227 Carouge, Switzerland
| | - C Bona-Casas
- Department of Applied Mathematics, University of A Coruña, 15001 A Coruña, Spain
| | - L Fazendeiro
- Department of Earth and Space Sciences, Chalmers University of Technology, 41296 Göteborg, Sweden
| | - D Groen
- Centre for Computational Science, University College London, 20 Gordon Street, London WC1H OAJ, UK
| | - O Hoenen
- Max-Planck-Institut für Plasmaphysik, 85748 Garching, Germany
| | - A Mizeranschi
- Nano Systems Biology, School of Biomedicine, University of Ulster, Coleraine BTS2 1SA, UK
| | - J L Suter
- Centre for Computational Science, University College London, 20 Gordon Street, London WC1H OAJ, UK
| | - D Coster
- Max-Planck-Institut für Plasmaphysik, 85748 Garching, Germany
| | - P V Coveney
- Centre for Computational Science, University College London, 20 Gordon Street, London WC1H OAJ, UK
| | - W Dubitzky
- Nano Systems Biology, School of Biomedicine, University of Ulster, Coleraine BTS2 1SA, UK
| | - A G Hoekstra
- Computational Science, Informatics Institute, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands National Research University ITMO, Kronverkskiy prospekt 49, 197101 St Petersburg, Russia
| | - P Strand
- Department of Earth and Space Sciences, Chalmers University of Technology, 41296 Göteborg, Sweden
| | - B Chopard
- Computer Science Department, University of Geneva, 1227 Carouge, Switzerland
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Tőkési K, Tskhakaya D, Coster D. Atomic data for integrated tokamak modelling – Fermi-shuttle type ionization as a possible source of high energy electrons. EPJ Web of Conferences 2014. [DOI: 10.1051/epjconf/20137902003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Frauel Y, Coster D, Guillerminet B, Imbeaux F, Jackson A, Konz C, Owsiak M, Plociennik M, Scott B, Strand P. Easy use of high performance computers for fusion simulations. Fusion Engineering and Design 2012. [DOI: 10.1016/j.fusengdes.2012.04.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Strand P, Coelho R, Coster D, Eriksson LG, Imbeaux F, Guillerminet B. Simulation and high performance computing—Building a predictive capability for fusion. Fusion Engineering and Design 2010. [DOI: 10.1016/j.fusengdes.2010.05.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Affiliation(s)
- D. Coster
- a Institute for Theoretical Physics , Copenhagen
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Abstract
This study evaluated physical activity Web sites to determine quality, accuracy, and consistency with principles of the extended parallel process model (EPPM). Three keyword searches were conducted using 4 search engines to find a sample of N = 41 Web sites. Three raters evaluated the Web sites using the JAMA benchmarks to assess quality and American College of Sports Medicine and Centers for Disease Control and Prevention recommendations for physical activity to determine accuracy, as well as checking for inclusion of EPPM variables. Data were analyzed using descriptive statistics and analysis of variance with least squares means. Only 22% of the sites were high quality, none were highly accurate, and most were consistent with the EPPM. Quality ratings were weakly associated with accuracy. Educational and .net sites were rated significantly higher in quality and accuracy, and government sites were most consistent with the EPPM. Quality Web sites were more often found by using Yahoo and Google. "Exercise" yielded more accurate results, whereas "physical activity" and "fitness" produced more Web sites consistent with the EPPM. It is encouraging that most sites incorporated EPPM concepts; however, quality and accuracy were poor, leaving physical activity information seekers at risk for disease and injury.
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Affiliation(s)
- Kelly K Bonnar-Kidd
- Department of Community Health, State University of New York-Potsdam, Potsdam, NY 13676, USA.
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Badenoch P, Wetherall B, Woolley M, Coster D. Newer emerging pathogens of ocular non-sporulating molds (NSM) identified by polymerase chain reaction (PCR)-based DNA sequencing technique targeting internal transcribed spacer (ITS) region. Curr Eye Res 2008; 33:903-4; author reply 905-6. [PMID: 18853325 DOI: 10.1080/02713680802351133] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Blumenfeld AL, Coster D, Fripiat JJ. Broensted Acid Sites and Surface Structure in Zeolites: A High-Resolution 29Si NMR REDOR Study. ACTA ACUST UNITED AC 2002. [DOI: 10.1021/j100041a038] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Coster D, Blumenfeld AL, Fripiat JJ. Lewis Acid Sites and Surface Aluminum in Aluminas and Zeolites: A High-Resolution NMR Study. ACTA ACUST UNITED AC 2002. [DOI: 10.1021/j100075a024] [Citation(s) in RCA: 219] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Gruber O, Kallenbach A, Kaufmann M, Lackner K, Mertens V, Neuhauser J, Ryter F, Zohm H, Bessenrodt-Weberpals M, Büchl K, Fiedler S, Field A, Fuchs C, Garcia-Rosales C, Haas G, Herrmann A, Herrmann W, Hirsch S, Köppendörfer W, Lang P, Lieder G, Mast K, Pitcher CS, Schittenhelm M, Stober J, Suttrop W, Troppmann M, Weinlich M, Albrecht M, Alexander M, Asmussen K, Ballico M, Behler K, Behringer K, Bosch HS, Brambilla M, Carlson A, Coster D, Cupido L, DeBlank HJ, Deschka S, Dorn C, Drube R, Dux R, Eberhagen A, Engelhardt W, Fahrbach H, Feist H, Fieg D, Gehre O, Gernhardt J, Ignacz P, Jüttner B, Junker W, Kass T, Kiemer K, Kollotzek H, Kornherr M, Krieger K, Kurzan B, Lang R, Laux M. Observation of continuous divertor detachment in H-mode discharges in ASDEX upgrade. Phys Rev Lett 1995; 74:4217-4220. [PMID: 10058445 DOI: 10.1103/physrevlett.74.4217] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Bower W, Coster D, Wilson V, Westberg M. Laparoscopic splenectomy. Iowa Med 1995; 85:87-8. [PMID: 7890523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- W Bower
- Iowa Methodist Medical Center, Des Moines
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Vlahos K, Goggin M, Coster D. Paraquat causes chronic ocular surface toxicity. Aust N Z J Ophthalmol 1993; 21:187-90. [PMID: 8260158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
We describe a case of topical exposure to a commercial solution of paraquat. Chronic, severe ocular surface destruction resulted, probably due to absorption of the herbicide into the surface tissues, facilitated by a surfactant present in the preparation, and to intracellular redox cycling of the paraquat cation. Ocular paraquat toxicity is described and explained in the context of the toxicity of systemic absorption.
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Affiliation(s)
- K Vlahos
- Flinders Medical Centre, Bedford Park, South Australia
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McGavin DDM, Coster D, Galloway NR, Jagger J, Williamson J. BOOK REVIEWS. Br J Ophthalmol 1992. [DOI: 10.1136/bjo.76.11.703-a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Nishida H, Grooters RK, Coster D, Soltanzadeh H, Thieman KC. Metastatic right atrial tumor in colon cancer with superior vena cava syndrome and tricuspid obstruction. Heart Vessels 1991; 6:125-7. [PMID: 2071549 DOI: 10.1007/bf02058761] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Metastatic colon carcinoma of the heart is a rare diagnosis, and an uncommon finding at autopsy. This report describes a patient with a huge intracavitary colonic metastasis of the right atrium causing both a superior vena cava syndrome and an obstruction of the tricuspid valve. To our knowledge, no similar case has been previously reported.
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Affiliation(s)
- H Nishida
- Department of Surgery, Iowa Methodist Medical Center
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Abstract
Corneal surface abnormalities are commonly encountered in ophthalmology and are manifestations of a wide range of underlying disease processes. The diversity of both clinical presentation and morphological appearance requires a systematic approach to the identification and management of these superficial corneal changes. Accurate diagnosis of superficial keratopathy requires skillful observation to seek the most characteristic clinical sign, a deductive thought process based on a knowledge of disease patterns, and occasionally the use of laboratory procedures to confirm the working diagnosis. We have classified changes of the corneal surface into five categories based on the clinical pattern (punctate, dendritic, plaque, vortex, and linear). We show how pattern recognition, with the aid of clinical presentation, history, and appropriate investigations, can lead to accurate diagnosis and initiation of proper management.
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McGill JI, Coster D, Frauenfelder T, Holt-Wilson AD, Williams H, Jones BR. Adenine arabinoside in the management of herpetic keratitis. Trans Ophthalmol Soc U K (1962) 1975; 95:246-9. [PMID: 818752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Ara-A is an effective antiviral agent in the treatment of herpetic ulceration. Its use leads to a quick and high cure rate, and clinical resistance is low. It can successfully be used in cases showing complications after treatment with other antiviral agents.
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Coster D. Où en est la question de la discontinuité d'absorption K des rayons X et des franges qui l'accompagnent? by C. Kurylenko. ACTA ACUST UNITED AC 1948. [DOI: 10.1107/s0365110x48000454] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Coster D, Bril A. The fine structure of the L-absorption edges of tungsten and tantalum and the electronic conduction band of these elements. ACTA ACUST UNITED AC 1943. [DOI: 10.1016/s0031-8914(43)90031-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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