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Yun T, Choi H, Kim H, Na KJ, Park S, Park IK, Kang CH, Goo JM, Kim YT. CT-defined visual emphysema in smokers with normal spirometry: association with prolonged air leak and other respiratory complications after lobectomy for lung cancer. Eur Radiol 2022; 32:4395-4404. [DOI: 10.1007/s00330-022-08540-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 12/01/2021] [Accepted: 12/28/2021] [Indexed: 11/24/2022]
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102
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Itabashi K, Suzuki K, Pandey B, Okuyama K, Gogami T, Nagao S, Nakamura S, Tang L, Abrams D, Akiyama T, Androic D, Aniol K, Ayerbe Gayoso C, Bane J, Barcus S, Barrow J, Bellini V, Bhatt H, Bhetuwal D, Biswas D, Camsonne A, Castellanos J, Chen JP, Chen J, Covrig S, Chrisman D, Cruz-Torres R, Das R, Fuchey E, Gnanvo K, Garibaldi F, Gautam T, Gomez J, Gueye P, Hague T, Hansen O, Henry W, Hauenstein F, Higinbotham D, Hyde C, Kaneta M, Keppel C, Kutz T, Lashley-Colthirst N, Li S, Liu H, Mammei J, Markowitz P, McClellan RE, Meddi F, Meekins D, Michaels R, Mihovilovic M, Moyer A, Nguyen D, Nycz M, Owen V, Palatchi C, Park S, Petkovic T, Premathilake S, Reimer P, Reinhold J, Riordan S, Rodriguez V, Samanta C, Santiesteban S, Sawatzky B, Širca S, Slifer K, Su T, Tian Y, Toyama Y, Uehara K, Urciuoli G, Votaw D, Williamson J, Wojtsekhowski B, Wood S, Yale B, Ye Z, Zhang J, Zheng X. Study of Λ n FSI with Λ quasi-free productions on the 3H( e, e′K+) X reaction at JLab. EPJ WEB OF CONFERENCES 2022. [DOI: 10.1051/epjconf/202227102006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract. An nnΛ is a neutral baryon system with no charge. The study of the pure Λ-neutron system such as nnΛ gives us information on the Λn interaction. The nnΛ search experiment (E12-17-003) was performed at JLab Hall A in 2018. In this article, the Λn FSI was investigated by a shape analysis of the 3H(e, e′K+)X missing mass spectrum, and a preliminary result for the Λn FSI study is given.
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Gogami T, Suzuki KN, Pandey B, Itabashi K, Nagao S, Okuyama K, Nakamura SN, Tang L, Abrams D, Akiyama T, Androic D, Aniol K, Ayerbe Gayoso C, Bane J, Barcus S, Barrow J, Bellini V, Bhatt H, Bhetuwal D, Biswas D, Camsonne A, Castellanos J, Chen JP, Chen J, Covrig S, Chrisman D, Cruz-Torres R, Das R, Fuchey E, Gnanvo K, Garibaldi F, Gautam T, Gomez J, Gueye P, Hague TJ, Hansen O, Henry W, Hauenstein F, Higinbotham DW, Hyde CE, Kaneta M, Keppel C, Kutz T, Lashley-Colthirst N, Li S, Liu H, Mammei J, Markowitz P, McClellan RE, Meddi F, Meekins D, Michaels R, Mihovilovic M, Moyer A, Nguyen D, Nycz M, Owen V, Palatchi C, Park S, Petkovic T, Premathilake S, Reimer PE, Reinhold J, Riordan S, Rodriguez V, Samanta C, Santiesteban SN, Sawatzky B, Širca S, Slifer K, Su T, Tian Y, Toyama Y, Uehara K, Urciuoli GM, Votaw D, Williamson J, Wojtsekhowski B, Wood SA, Yale B, Ye Z, Zhang J, Zheng X. Cross-section measurement of virtual photoproduction of iso-triplet three-body hypernucleus, Λ nn. EPJ WEB OF CONFERENCES 2022. [DOI: 10.1051/epjconf/202227102002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Missing-mass spectroscopy with the 3H(e, e′K+) reaction was carried out at Jefferson Lab’s (JLab) Hall A in Oct–Nov, 2018. The differential cross section for the 3H(γ∗, K+)Λnn was deduced at ω = Ee − Ee′ = 2.102 GeV and at the forward K+-scattering angle (0° ≤ θγ∗K ≤ 5°) in the laboratory frame. Given typical predicted energies and decay widths, which are (BΛ, Γ) = (−0.25, 0.8) and (−0.55, 4.7) MeV, the cross sections were found to be 11.2 ± 4.8(stat.)+4.1−2.1(sys.) and 18.1 ± 6.8(stat.)+4.2−2.9(sys.) nb/sr, respectively. The obtained result would impose a constraint for interaction models particularly between Λ and neutron by comparing to theoretical calculations.
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Okuyama K, Itabashi K, Nagao S, Nakamura SN, Suzuki KN, Gogami T, Pandey B, Tang L, Abrams D, Akiyama T, Androic D, Aniol K, Ayerbe Gayoso C, Bane J, Barcus S, Barrow J, Bellini V, Bhatt H, Bhetuwal D, Biswas D, Camsonne A, Castellanos J, Chen JP, Chen J, Covrig S, Chrisman D, Cruz-Torres R, Das R, Fuchey E, Gnanvo K, Garibaldi F, Gautam T, Gomez J, Gueye P, Hague TJ, Hansen O, Henry W, Hauenstein F, Higinbotham DW, Hyde CE, Kaneta M, Keppel C, Kutz T, Lashley-Colthirst N, Li S, Liu H, Mammei J, Markowitz P, McClellan RE, Meddi F, Meekins D, Michaels R, Mihovilovic M, Moyer A, Nguyen D, Nycz M, Owen V, Palatchi C, Park S, Petkovic T, Premathilake S, Reimer PE, Reinhold J, Riordan S, Rodriguez V, Samanta C, Santiesteban SN, Sawatzky B, Širca S, Slifer K, Su T, Tian Y, Toyama Y, Uehara K, Urciuoli GM, Votaw D, Williamson J, Wojtsekhowski B, Wood SA, Yale B, Ye Z, Zhang J, Zheng X. Study of the Λ/Σ 0 electroproduction in the low- Q2 region at JLab. EPJ WEB OF CONFERENCES 2022. [DOI: 10.1051/epjconf/202227102003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
We performed an experiment using tritium and hydrogen cryogenic gas targets at Thomas Jefferson National Accelerator Facility (JLab) in 2018 (E12-17-003)[1, 2]. In this article, we discuss the Λ/Σ0 hyperon electroproduction from hydrogen target. Elementary Λ/Σ0 hyperon production processes are important not only for an absolute mass scale calibration in our experiment, but also for the study of the electroproduction mechanisms themselves. In this article, we reported the results of the differential cross section for the p(e, e’K+)Λ/Σ0 reaction at Q2 ∼ 0.5 (GeV/c)2.
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Yun T, Kwon HW, Park S, Kim WH. Chemical Pleurodesis Using a Viscum album Extract in an Infant with Postoperative Chylothorax: A Case Report. J Chest Surg 2021; 55:91-94. [PMID: 34963673 PMCID: PMC8824644 DOI: 10.5090/jcs.21.091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 10/25/2021] [Accepted: 11/06/2021] [Indexed: 11/16/2022] Open
Abstract
Chylothorax after thoracic surgery is a rare complication, and treatment for refractory chylothorax is challenging. We report a case of chylothorax after cardiothoracic surgery in an infant after failure of conservative management and thoracic duct ligation. The patient underwent chemical pleurodesis with a Viscum album extract. The treatment was successful and chylothorax did not recur.
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Yoo Y, Park S, Choi E, Sung SH. The role of intraoperative frozen section analysis in joint arthroplasty with CD66b immunohistochemical staining. THE MALAYSIAN JOURNAL OF PATHOLOGY 2021; 43:405-411. [PMID: 34958062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The preoperative diagnosis of infection during joint arthroplasty is important for clinical management. However, the evaluation of polymorphonuclear leukocytes (PMNs) during frozen section analysis is sometimes difficult due to frozen artifacts. In the present study, we sought to investigate the utility of intraoperative fresh frozen section (FFS) examination for diagnosis of infection and to evaluate whether the neutrophil-specific surface marker CD66b helps to improve the diagnostic accuracy of infection. A consecutive series of 65 original frozen sections at the time of resection arthroplasty was retrospectively reviewed compared with corresponding permanent sections. The presence of PMNs was determined using intraoperative FFS and permanent sections. Furthermore, CD66b staining was performed to identify PMNs clearly. The ratio of male to female patients was 21:42. The mean age was 70 years. Postoperatively, 25 of 65 cases were histologically diagnosed with infection (25/65; 39%). The sensitivity and specificity of intraoperative FFS relative to permanent section histology were 100% (25/25) and 95% (38/40), respectively. Among 40 patients without infection, two showed false-positive results during intraoperative FFS diagnosis (2/40, 5%). In addition, on CD66b staining, six cases (9%) experienced changes in results, which altered the sensitivity and specificity of intraoperative FFS compared with permanent histology only to 87% and 87%, respectively. In conclusion, the diagnostic performance of intraoperative FFS is high and comparable to yields of permanent section histology. Therefore, intraoperative FFS is highly suitable diagnostic method for detection of infection during joint arthroplasty. And CD66b immunostaining facilitates delicate identification of PMNs, especially in equivocal cases.
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Woo J, Kim JE, Im JJ, Lee J, Jeong HS, Park S, Jung SY, An H, Yoon S, Lim SM, Lee S, Ma J, Shin EY, Han YE, Kim B, Lee EH, Feng L, Chun H, Yoon BE, Kang I, Dager SR, Lyoo IK, Lee CJ. Correction: Astrocytic water channel aquaporin-4 modulates brain plasticity in both mice and humans: a potential gliogenetic mechanism underlying language-associated learning. Mol Psychiatry 2021; 26:7853. [PMID: 34305137 DOI: 10.1038/s41380-021-01185-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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108
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Reynolds RM, Park S, Ellithorpe ME, Rhodes N, Ewoldsen DR, Boster FJ. The dynamic theory of reasoned action: evidence for a reverse causal process in the context of WHO handwashing guidelines. Psychol Health 2021:1-24. [PMID: 34743620 DOI: 10.1080/08870446.2021.1992407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVE This study provided a first empirical test of the Reverse Dynamic Theory of Reasoned Action (RDTRA) developed by Boster et al. DESIGN In a longitudinal experiment, 169 participants were exposed to a WHO handwashing-guidelines behavioural induction, followed by an immediate posttest and a follow-up one week later. MAIN OUTCOME MEASURES The study measured attitudes and norms about WHO handwashing guidelines, as well as self-reported handwashing behaviour. RESULTS The experimental induction produced variance in self-reported handwashing behaviour, allowing a test of the RDTRA using path analysis and structural equation modelling (SEM). Results were consistent with the RDTRA, with a positive effect of behaviour on both the attitude and norm coupled with excellent model fit. Results were inconsistent with behaviour as an outcome of attitudes and norms in this context. CONCLUSION For health behaviours, such as the WHO handwashing technique, initial behavioural adoption may promote subsequent shaping of attitudes and perceived norms. Boundary conditions for this effect may include the degree of spontaneity and consent involved in behaviour adoption.
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Yan Z, Vorhies K, Feng Z, Park S, Choi S, Engelhardt J. 599: Correction of the G551D CFTR mutation in ferret airway cells. J Cyst Fibros 2021. [DOI: 10.1016/s1569-1993(21)02022-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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110
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Evans T, Liang B, Yan Z, Sun X, Yi Y, Vegter A, Guo L, Yang Y, Feng Z, Park S, Qi L, Bartels D, Gibson K, Meyerholz D, Engelhardt J. 658: In utero CFTR modulator therapy protects from meconium ileus and improves postnatal survival in F508del ferrets. J Cyst Fibros 2021. [DOI: 10.1016/s1569-1993(21)02081-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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111
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Perez J, Khouri C, Park S, Imbert B, Cracowski JL. Eltrombopag-associated erythromelalgia in idiopathic thrombocytopenic purpura. Br J Dermatol 2021; 186:585-586. [PMID: 34698373 DOI: 10.1111/bjd.20829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 10/15/2021] [Accepted: 10/24/2021] [Indexed: 11/29/2022]
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Acharya UA, Aidala C, Akiba Y, Alfred M, Andrieux V, Apadula N, Asano H, Azmoun B, Babintsev V, Bandara NS, Barish KN, Bathe S, Bazilevsky A, Beaumier M, Belmont R, Berdnikov A, Berdnikov Y, Bichon L, Blankenship B, Blau DS, Bok JS, Brooks ML, Bryslawskyj J, Bumazhnov V, Campbell S, Canoa Roman V, Cervantes R, Chi CY, Chiu M, Choi IJ, Choi JB, Citron Z, Connors M, Corliss R, Corrales Morales Y, Cronin N, Csanád M, Csörgő T, Danley TW, Daugherity MS, David G, DeBlasio K, Dehmelt K, Denisov A, Deshpande A, Desmond EJ, Dion A, Dixit D, Do JH, Drees A, Drees KA, Durham JM, Durum A, Enokizono A, En'yo H, Esha R, Esumi S, Fadem B, Fan W, Feege N, Fields DE, Finger M, Finger M, Fitzgerald D, Fokin SL, Frantz JE, Franz A, Frawley AD, Fukuda Y, Gal C, Gallus P, Garg P, Ge H, Giles M, Giordano F, Goto Y, Grau N, Greene SV, Grosse Perdekamp M, Gunji T, Guragain H, Hachiya T, Haggerty JS, Hahn KI, Hamagaki H, Hamilton HF, Han SY, Hanks J, Harvey M, Hasegawa S, Haseler TOS, He X, Hemmick TK, Hill JC, Hill K, Hodges A, Hollis RS, Homma K, Hong B, Hoshino T, Hotvedt N, Huang J, Huang S, Imai K, Inaba M, Iordanova A, Isenhower D, Ivanishchev D, Jacak BV, Jezghani M, Ji Z, Jiang X, Johnson BM, Jouan D, Jumper DS, Kang JH, Kapukchyan D, Karthas S, Kawall D, Kazantsev AV, Khachatryan V, Khanzadeev A, Khatiwada A, Kim C, Kim EJ, Kim M, Kincses D, Kingan A, Kistenev E, Klatsky J, Kline P, Koblesky T, Kotov D, Kudo S, Kurgyis B, Kurita K, Kwon Y, Lajoie JG, Larionova D, Lebedev A, Lee S, Lee SH, Leitch MJ, Leung YH, Lewis NA, Li X, Lim SH, Liu MX, Loggins VR, Lökös S, Loomis DA, Lovasz K, Lynch D, Majoros T, Makdisi YI, Makek M, Manko VI, Mannel E, McCumber M, McGaughey PL, McGlinchey D, McKinney C, Mendoza M, Mignerey AC, Milov A, Mishra DK, Mitchell JT, Mitrankov I, Mitrankova M, Mitsuka G, Miyasaka S, Mizuno S, Mondal MM, Montuenga P, Moon T, Morrison DP, Mulilo B, Murakami T, Murata J, Nagai K, Nagashima K, Nagashima T, Nagle JL, Nagy MI, Nakagawa I, Nakano K, Nattrass C, Nelson S, Niida T, Nouicer R, Novák T, Novitzky N, Nukazuka G, Nyanin AS, O'Brien E, Ogilvie CA, Orjuela Koop JD, Osborn JD, Oskarsson A, Ottino GJ, Ozawa K, Pantuev V, Papavassiliou V, Park JS, Park S, Pate SF, Patel M, Peng W, Perepelitsa DV, Perera GDN, Peressounko DY, PerezLara CE, Perry J, Petti R, Phipps M, Pinkenburg C, Pisani RP, Potekhin M, Pun A, Purschke ML, Radzevich PV, Ramasubramanian N, Read KF, Reynolds D, Riabov V, Riabov Y, Richford D, Rinn T, Rolnick SD, Rosati M, Rowan Z, Runchey J, Safonov AS, Sakaguchi T, Sako H, Samsonov V, Sarsour M, Sato S, Schaefer B, Schmoll BK, Sedgwick K, Seidl R, Sen A, Seto R, Sexton A, Sharma D, Sharma D, Shein I, Shibata TA, Shigaki K, Shimomura M, Shioya T, Shukla P, Sickles A, Silva CL, Silvermyr D, Singh BK, Singh CP, Singh V, Slunečka M, Smith KL, Snowball M, Soltz RA, Sondheim WE, Sorensen SP, Sourikova IV, Stankus PW, Stoll SP, Sugitate T, Sukhanov A, Sumita T, Sun J, Sun Z, Sziklai J, Tanida K, Tannenbaum MJ, Tarafdar S, Taranenko A, Tarnai G, Tieulent R, Timilsina A, Todoroki T, Tomášek M, Towell CL, Towell RS, Tserruya I, Ueda Y, Ujvari B, van Hecke HW, Velkovska J, Virius M, Vrba V, Vukman N, Wang XR, Watanabe YS, Wong CP, Woody CL, Xu C, Xu Q, Xue L, Yalcin S, Yamaguchi YL, Yamamoto H, Yanovich A, Yoo JH, Yoon I, Yu H, Yushmanov IE, Zajc WA, Zelenski A, Zharko S, Zou L. Probing Gluon Spin-Momentum Correlations in Transversely Polarized Protons through Midrapidity Isolated Direct Photons in p^{↑}+p Collisions at sqrt[s]=200 GeV. PHYSICAL REVIEW LETTERS 2021; 127:162001. [PMID: 34723614 DOI: 10.1103/physrevlett.127.162001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 07/26/2021] [Accepted: 08/10/2021] [Indexed: 06/13/2023]
Abstract
Studying spin-momentum correlations in hadronic collisions offers a glimpse into a three-dimensional picture of proton structure. The transverse single-spin asymmetry for midrapidity isolated direct photons in p^{↑}+p collisions at sqrt[s]=200 GeV is measured with the PHENIX detector at the Relativistic Heavy Ion Collider (RHIC). Because direct photons in particular are produced from the hard scattering and do not interact via the strong force, this measurement is a clean probe of initial-state spin-momentum correlations inside the proton and is in particular sensitive to gluon interference effects within the proton. This is the first time direct photons have been used as a probe of spin-momentum correlations at RHIC. The uncertainties on the results are a 50-fold improvement with respect to those of the one prior measurement for the same observable, from the Fermilab E704 experiment. These results constrain gluon spin-momentum correlations in transversely polarized protons.
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Bachtiger P, Scott F, Park S, Petri C, Padam PS, Sahemey H, Dumea B, Ribeiro M, Alquero R, Bual N, Cheung WS, Rana B, Keene D, Plymen CM, Peters NS. Multicentre validation of point-of-care screening tool for heart failure: single-lead ECG recorded by smart stethoscope predicts low ejection fraction using artificial intelligence. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.3071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background/Introduction
Artificial intelligence (AI) applied to 12-lead ECG can identify left ventricular ejection fraction (EF) ≤35% with a sensitivity and specificity of 86.3% and 85.7%, respectively. Whether AI algorithms trained on 12-lead can accurately predict EF from single-lead ECGs (recorded by a smart stethoscope) remains unknown. This could facilitate point-of-care screening for low EF during routine clinical examination.
Purpose
First independent multicentre real-world UK National Health Service (NHS) prospective validation of 12-lead-ECG-trained AI algorithm applied to single-lead ECG recorded by a smart stethoscope, with AI algorithm tuned to detect EF ≤40%.
Methods
Prospective recruitment of unselected patients attending for echocardiography across six urban NHS hospital sites (UK). In addition to transthoracic echocardiogram (routine care), all participants had 15 seconds of supine, single-lead ECG recorded at six different positions (figure), encompassing standard anatomical positions for cardiac auscultation. A convolutional neural network (CNN) previously trained on 35,970 independent pairings of 12-lead-ECG and echocardiograms was retrained to use the single-lead ECG as input. Accuracy of CNN detection of low EF (binary ≤40%) is reported at a threshold of 0.5 against gold-standard; echo-determined percentage EF.
Results
Among 353 patients recruited (mean age 63±17; 58% male, 43.1% non-white), 309 (87.5%) had an EF >40%, and 44 (12.5%) had EF ≤40%. The best single recording position in isolation was position 3 (sensitivity 57.9% [42.2–73.6], specificity 86.3% [82.2–90.3]). Taking any of the six positions performed during the examination as predicting EF ≤40%, this achieved a sensitivity of 81.2% and specificity of 61.5%.
Conclusion(s)
In this first prospective multicentre validation study the retrained AI algorithm reliably detected low EF from single-lead ECGs acquired using a novel ECG-enabled stethoscope in standard auscultation positions. The ability to identify patients with possible low EF during routine physical examination addresses a significant unmet clinical need in point-of-care ruling in/out of heart failure, and has potential to provide broader population-level screening for asymptomatic cardiovascular disease.
Funding Acknowledgement
Type of funding sources: Public grant(s) – National budget only. Main funding source(s): National Institute of Health Research, Accelerated Access Collaborative & NHSX: Artificial Intelligence in Health & Social Care Award
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Bachtiger P, Park S, Letchford E, Scott F, Barton C, Ahmed FZ, Cole G, Keene D, Plymen CM, Peters NS. Triage-HF plus: 12-month study of remote monitoring pathway for triage of heart failure risk initiated during the Covid-19 pandemic. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.3082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
The Covid-19 pandemic necessitated rapid adoption of remote monitoring across cardiovascular patient cohorts. Most patients with cardiac implantable electronic devices (CIEDs) are now able to be remotely monitored using either scheduled, patient- or threshold-triggered transmissions. The validated “Triage Heart Failure Risk Score” (Triage-HFRS) is a medical algorithm within company-specific CIEDs that can risk-stratify patients as low-, medium- or high-risk of worsening heart failure (WHF) in the next 30 days based on integrated monitoring of physiological parameters. Building on a previous proof-of-concept of the Triage-HF Plus pathway, we integrated remote data with simple 5-question telephone triage within a clinical pathway to identify WHF during the first year of the Covid-19 pandemic.
Purpose
Prospective evaluation of clinical remote monitoring pathway integrating Triage-HFRS with protocolised telephone triage (Triage-HF Plus pathway).
Methods
Prospective, real-world evaluation of clinical pathway serving a large urban region over a 12-month period, using data from April 2020 to April 2021 (initiated during the first wave of Covid-19 pandemic in the UK). From a population of 435 patients with CIEDs, 87 “high” Triage-HFRS alerts were received and patients contacted for telephone triage assessment. Screening questions were designed to identify episodes of WHF and non-HF events. Intervention was at discretion of the clinical practitioner and in line with guideline-directed practice. A consecutive sample of 115 “medium” risk scores received the same triage.
Results
Successful contact was made with 72 (82.8%) high-risk patients. Classification for high scoring patients confirmed on triage included isolated heart failure (18.3%), heart failure concurrent to medical problem (5.7%), alternative medical problem (10.3%), and recent hospital admission (8.0%); triage reassured absence of acute cause of high score in 40.2%. The sensitivity and specificity for detection of WHF was 87.9% (0.77–0.99) and 59.4% (0.50–0.69) respectively. Positive and negative predictive values were 40.3% and 94.0%, respectively. Overall accuracy was 66.2%.
Conclusions
The Triage-HF Plus pathway served as a useful remote monitoring tool for identifying patients with WHF whose care had been otherwise disrupted by the Covid-19 pandemic, allowing timely intervention and cementing the longer-term role for such models of care delivery. Crucially, in this multimorbid, high-cost population, relevant non-HF issues were also identified. The high negative predictive value further highlights the potential of proactive surveillance over conventional, periodic follow up.
Funding Acknowledgement
Type of funding sources: Foundation. Main funding source(s): Imperial Health Charity
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Dlamini M, Karki B, Ali SF, Lin PJ, Georges F, Ko HS, Israel N, Rashad MNH, Stefanko A, Adikaram D, Ahmed Z, Albataineh H, Aljawrneh B, Allada K, Allison S, Alsalmi S, Androic D, Aniol K, Annand J, Atac H, Averett T, Ayerbe Gayoso C, Bai X, Bane J, Barcus S, Bartlett K, Bellini V, Beminiwattha R, Bericic J, Biswas D, Brash E, Bulumulla D, Campbell J, Camsonne A, Carmignotto M, Castellano J, Chen C, Chen JP, Chetry T, Christy ME, Cisbani E, Clary B, Cohen E, Compton N, Cornejo JC, Covrig Dusa S, Crowe B, Danagoulian S, Danley T, De Persio F, Deconinck W, Defurne M, Desnault C, Di D, Duer M, Duran B, Ent R, Fanelli C, Franklin G, Fuchey E, Gal C, Gaskell D, Gautam T, Glamazdin O, Gnanvo K, Gray VM, Gu C, Hague T, Hamad G, Hamilton D, Hamilton K, Hansen O, Hauenstein F, Henry W, Higinbotham DW, Holmstrom T, Horn T, Huang Y, Huber GM, Hyde C, Ibrahim H, Jen CM, Jin K, Jones M, Kabir A, Keppel C, Khachatryan V, King PM, Li S, Li W, Liu J, Liu H, Liyanage A, Magee J, Malace S, Mammei J, Markowitz P, McClellan E, Meddi F, Meekins D, Mesik K, Michaels R, Mkrtchyan A, Montgomery R, Muñoz Camacho C, Myers LS, Nadel-Turonski P, Nazeer SJ, Nelyubin V, Nguyen D, Nuruzzaman N, Nycz M, Obretch OF, Ou L, Palatchi C, Pandey B, Park S, Park K, Peng C, Pomatsalyuk R, Pooser E, Puckett AJR, Punjabi V, Quinn B, Rahman S, Reimer PE, Roche J, Sapkota I, Sarty A, Sawatzky B, Saylor NH, Schmookler B, Shabestari MH, Shahinyan A, Sirca S, Smith GR, Sooriyaarachchilage S, Sparveris N, Spies R, Su T, Subedi A, Sulkosky V, Sun A, Thorne L, Tian Y, Ton N, Tortorici F, Trotta R, Urciuoli GM, Voutier E, Waidyawansa B, Wang Y, Wojtsekhowski B, Wood S, Yan X, Ye L, Ye Z, Yero C, Zhang J, Zhao Y, Zhu P. Deep Exclusive Electroproduction of π^{0} at High Q^{2} in the Quark Valence Regime. PHYSICAL REVIEW LETTERS 2021; 127:152301. [PMID: 34678020 DOI: 10.1103/physrevlett.127.152301] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 06/07/2021] [Accepted: 08/17/2021] [Indexed: 06/13/2023]
Abstract
We report measurements of the exclusive neutral pion electroproduction cross section off protons at large values of x_{B} (0.36, 0.48, and 0.60) and Q^{2} (3.1 to 8.4 GeV^{2}) obtained from Jefferson Lab Hall A experiment E12-06-014. The corresponding structure functions dσ_{T}/dt+εdσ_{L}/dt, dσ_{TT}/dt, dσ_{LT}/dt, and dσ_{LT^{'}}/dt are extracted as a function of the proton momentum transfer t-t_{min}. The results suggest the amplitude for transversely polarized virtual photons continues to dominate the cross section throughout this kinematic range. The data are well described by calculations based on transversity generalized parton distributions coupled to a helicity flip distribution amplitude of the pion, thus providing a unique way to probe the structure of the nucleon.
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Kim JY, Park S, Park IK, Kang CH, Kim YT, Koh J, Yim JJ, Kwak N. Outcomes of adjunctive surgery for nontuberculous mycobacterial pulmonary disease. BMC Pulm Med 2021; 21:312. [PMID: 34615499 PMCID: PMC8496107 DOI: 10.1186/s12890-021-01679-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 09/24/2021] [Indexed: 11/24/2022] Open
Abstract
Background Owing to the unsatisfactory results of antibiotic treatment alone, surgical resection is currently considered as adjunctive therapy in patients with nontuberculous mycobacterial pulmonary disease (NTM-PD). However, reports regarding the outcomes of surgery vary considerably by institution. Here, we investigated the surgical outcomes and risk factors associated with unfavorable outcomes after surgery. Methods
We analyzed patients with NTM-PD who underwent pulmonary resection at Seoul National University Hospital between January 1, 2006, and December 31, 2020, and assessed the types of surgical procedures, complications, and long-term outcomes. Multivariate logistic regression analysis was used to identify the risk factors associated with treatment refractoriness or recurrence after surgery. Results Among 67 patients who underwent surgery during the study period, the most common indication for surgery was persistent culture positivity despite rigorous medical treatment (80.6%), followed by longstanding cavitary lesions or radiographic aggravation (10.4%) and massive hemoptysis (4.5%). Among 53 patients with positive mycobacterial cultures at the time of surgery, 38 (71.7%) achieved initial negative culture conversion, 9 (17.0%) of whom experienced recurrence. Nine (13.4%) patients experienced postoperative complications, which were managed without lasting morbidity and mortality. Female sex (adjusted odds ratio [aOR] 6.63; 95% confidence interval [CI] 1.04–42.4; P = .046), preoperative positive mycobacterial culture (aOR 5.87; 95 %CI 1.04–33.08; P = .045), and residual lesions (aOR 6.86; 95 %CI 1.49–31.56; P = .013) were associated with refractoriness or recurrence. Conclusions Pulmonary resection is a reasonable treatment modality for patients with refractory NTM-PD or major complications such as massive hemoptysis. The potential risk factors associated with unfavorable outcomes included female sex, preoperative positive mycobacterial culture, and residual lesions after surgery. Supplementary Information The online version contains supplementary material available at 10.1186/s12890-021-01679-0.
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Choi H, Park YS, Na KJ, Park S, Park IK, Kang CH, Kim YT, Goo JM, Yoon SH. Association of Adipopenia at Preoperative PET/CT with Mortality in Stage I Non-Small Cell Lung Cancer. Radiology 2021; 301:645-653. [PMID: 34609197 DOI: 10.1148/radiol.2021210576] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Background Body mass index (BMI) and sarcopenia status are well-established prognostic factors in patients with lung cancer. However, the relationship between the amount of adipose tissue and survival remains unclear. Purpose To investigate the association between baseline adipopenia and outcomes in patients with early-stage non-small cell lung cancer (NSCLC). Materials and Methods Consecutive patients who underwent surgical resection for stage I NSCLC between 2011 and 2015 at a single tertiary care center were retrospectively identified. The primary outcome was the 5-year overall survival (OS) rate, and secondary outcomes were the 5-year disease-free survival (DFS) rate and the major postoperative complication rate. The abdominal total fat volume at the waist and the skeletal muscle area at the L3 level were obtained from preoperative PET/CT data and were normalized by the height squared to calculate the fat volume index (FVI) and skeletal muscle index. Adipopenia was defined as the sex-specific lowest quartile of the FVI for the study sample, and sarcopenia was determined using the skeletal muscle index reference value (men, <55 cm2/m2; women, <39 cm2/m2). The association between body composition and outcomes was evaluated using Cox regression analysis. Results A total of 440 patients (median age, 65 years [interquartile range, 58-72 years]; 243 men) were evaluated. Most underweight patients (<20 kg/m2) had adipopenia (97%, 36 of 37 patients), but overweight patients (25-30 kg/m2, n = 138) and obese patients (>30 kg/m2, n = 14) did not have adipopenia (3%, four of 152 patients). In the group with a normal BMI (20-25 kg/m2), 28% (70 of 251 patients) had adipopenia and 67% (168 of 251 patients) had sarcopenia. After adjusting for age, sex, smoking history, surgical procedure, stage, histologic type, BMI, and sarcopenia, adipopenia was associated with reduced 5-year OS (hazard ratio [HR] = 2.2; 95% CI: 1.1, 3.8; P = .02) and 5-year non-cancer-specific OS rates (HR = 3.2; 95% CI: 1.2, 8.7; P = .02). There was no association between adipopenia and postoperative complications (P = .45) or between adipopenia and the 5-year DFS rate (P = .18). Conclusion Baseline adipopenia was associated with a reduced 5-year overall survival rate in patients with early-stage non-small cell lung cancer and may indicate risk for non-cancer-related death. © RSNA, 2021 Online supplemental material is available for this article.
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Kim DH, Na KJ, Park IK, Kang CH, Kim YT, Park S. Long-Term Outcomes in Stage I Lung Cancer After Segmentectomy with a Close Resection Margin. J Chest Surg 2021; 54:361-368. [PMID: 34611084 PMCID: PMC8548195 DOI: 10.5090/jcs.21.045] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 07/15/2021] [Accepted: 07/27/2021] [Indexed: 01/07/2023] Open
Abstract
Background In general, a 2-cm surgical margin is recommended for limited resection to obtain equivalent oncologic outcomes to lobectomy for lung cancer. This study aimed to examine the patterns of recurrence and prognostic factors for recurrence in patients with a close parenchymal resection margin. Methods From January 2009 to April 2017, 156 patients with stage I lung cancer who underwent segmentectomy with a close resection margin (<2 cm) were enrolled. Recurrence-free survival and overall survival were assessed. In addition, predisposing factors for recurrence were evaluated. Results The mean tumor size was 1.7±0.8 cm and the parenchymal resection margin was 1.1±0.6 cm. Recurrence developed in 17 (10.7%) of the 156 patients, and the 5-year recurrence-free survival rate was 88.9%. Distant metastasis (7.7%) was the predominant recurrence pattern. The isolated local recurrence rate was 1.9%. Multivariate Cox regression analysis revealed that age, tumor size, mediastinal lymph node dissection, postoperative complications, and histologic type were significant predisposing factors for recurrence. However, parenchymal margin distance did not significantly affect the long-term prognosis. Conclusion Segmentectomy with a close resection margin for early-stage lung cancer in selected patients resulted in acceptable recurrence and survival. However, patients with tumors larger than 2 cm, squamous cell carcinoma histology, and insufficient mediastinal evaluation should be carefully followed up for recurrence.
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Park S, Lee J, Kim S, Kim H, Lee K, Kim D, Ahn M. P47.08 A Phase II, Single-arm, Multicenter, Efficacy of 80 mg Osimertinib in Patients With Leptomeningeal Metastases Associated With EGFR Mutated NSCLC. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Park S, Jung H, Cho J, Sun J, Lee S, Choi Y, Ahn J, Kim J, Park K, Zo J, Shim Y, Kim H, Ahn M. P15.01 Phase II Prospective Study of Adjuvant Pembrolizumab in N2 Positive NSCLC Treated With Neoadjuvant CCRT Followed by Surgery. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Lee J, Park S, Jung H, Sun J, Lee S, Ahn J, Park K, Ahn M. MA13.03 Combination of Bevacizumab + Atezolizumab (A) Who Progressed On A In Pretreated NSCLC Patients: An Open-Label, Two-Stage, Phase II Trial. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Cigan S, Murphy S, Patel Y, Stram D, Le Marchand L, Hecht S, Stepanov I, Park S. FP12.03 Associations of Urinary Biomarkers of Tobacco Toxicants With Lung Cancer Incidence in Smokers: The Multiethnic Cohort Study. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Choi H, Ko Y, Lee CY, Chung SJ, Kim HI, Kim JH, Park S, Hwang YI, Jang SH, Jung KS, Kim YK, Park JY. Impact of COVID-19 on TB epidemiology in South Korea. Int J Tuberc Lung Dis 2021; 25:854-860. [PMID: 34615583 DOI: 10.5588/ijtld.21.0255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
SETTING: Five referral hospitals, South Korea.OBJECTIVE: To assess epidemiological changes in TB before and during the COVID-19 pandemic.DESIGN: This was a multicentre cohort study of 3,969 patients diagnosed with TB.RESULTS: We analysed 3,453 patients diagnosed with TB prior to the COVID-19 pandemic (January 2016-February 2020) and 516 during the pandemic (March-November 2020). During the pandemic, the number of patients visits declined by 15% from the previous 4-year average, and the number of patients diagnosed with TB decreased by 17%. Patients diagnosed during the pandemic were older than those diagnosed before the pandemic (mean age, 60.2 vs. 56.6 years, P < 0.001). The proportion of patients to have primary TB at a younger age (births after 1980) among those diagnosed with TB was significantly lower during the pandemic than before (17.8% in 2020 vs. 23.5% in 2016, 24.0% in 2017, 22.5% in 2018, 23.5% in 2019; P = 0.005).CONCLUSIONS: The COVID-19 pandemic resulted in a reduction in the number of visits to respiratory departments, leading to fewer patients being diagnosed with TB. However, our results suggest that universal personal preventive measures help to suppress TB transmission in regions with intermediate TB burden.
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Jung H, Kim M, Kim J, Choi Y, Cho J, Park J, Park K, Park S, Sun J, Lee S, Ahn J, Park K, Ahn M. MA04.03 A Phase II Study of Palbociclib for Recurrent or Refractory Advanced Thymic Epithelial Tumor (KCSG LU17-21). J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Kim DH, Bae SY, Na KJ, Park S, Park IK, Kang CH, Kim YT. Radiological and clinical features of screening-detected pulmonary invasive mucinous adenocarcinoma. Interact Cardiovasc Thorac Surg 2021; 34:229-235. [PMID: 34570199 PMCID: PMC8766211 DOI: 10.1093/icvts/ivab257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 08/08/2021] [Accepted: 08/14/2021] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVES The current understanding of pulmonary invasive mucinous adenocarcinoma is largely based on studies of advanced stage patients and data about early-stage invasive mucinous adenocarcinoma are sparse. We evaluated the radiological and clinical features of screening-detected early-stage invasive mucinous adenocarcinoma (SD-IMA). METHODS Data from 91 patients who underwent surgical treatment for SD-IMA (≤3 cm) from 2013 to 2019 were reviewed retrospectively. Data on radiological characteristics, clinicopathological findings, recurrence and survival were obtained. Disease-free survival rate was analysed. RESULTS Radiologically, SD-IMAs presented as a pure ground-glass nodule (6.6%), part-solid nodule (38.5%) or solid (54.9%). Dominant locations were both lower lobes (74.7%) and peripheral area (93.4%). The sensitivity of percutaneous needle biopsy was 78.1% (25/32). Lobectomy was performed in 70 (76.9%) patients, and sublobar resection in 21 (23.1%) patients. Seventy-three (80.2%), 15 (16.5%) and 3 (3.3%) patients had pathological stage IA, IB and IIB or above, respectively. Seven patients developed recurrence, and 3 died due to disease progression. Pleural seeding developed exclusively in 2 patients who underwent needle biopsy. The 5-year disease-free survival rate was 89.4%. The disease-free survival rates at 5 years were 86.3% in the lobectomy group and 100% in the sublobar resection group. CONCLUSIONS SD-IMAs were mostly radiologically invasive nodules. SD-IMAs showed favourable prognosis after surgical treatment.
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