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Espinoza J, Lee W, Martin SR, Belfort MA. Customized growth curves for identification of large-for-gestational age neonates in pre-eclamptic women. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2014; 43:165-169. [PMID: 23703927 DOI: 10.1002/uog.12518] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2013] [Revised: 05/13/2013] [Accepted: 05/13/2013] [Indexed: 06/02/2023]
Abstract
OBJECTIVES To compare the role of two nomograms to classify large-for-gestational age (LGA) neonates in women with pre-eclampsia and to determine the frequency of placental vascular lesions according to the timing of delivery. METHOD This cohort study included 118 consecutive women with pre-eclampsia delivering between 23 and 41 weeks’ gestation. The frequencies of LGA neonates according to customized growth curves and a national birth weight (BW) chart were compared. Similarly, the frequencies of LGA neonates and histological placental vascular lesions were compared between pre-eclamptic women delivering at <34 weeks (n=40) and those delivering later (n=78). RESULTS Customized growth curves allowed classification of a higher proportion of LGA neonates than did BW curves (18.6% (22/118) vs 10.2% (12/118); P=0.002). Among pre-eclamptic women delivering at ≥34 weeks, but not earlier, the proportion of neonates classified as LGA by customized growth curves was higher than that classified by BW curves (26.9% (21/78) vs 15.4% (12/78); P=0.004). Placental vascular lesions were less frequent in pre-eclamptic women delivering at ≥34 weeks than in those delivering earlier (41% (32/78) vs 62.5% (25/40); P=0.03). CONCLUSIONS Customized growth curves allow classification of a higher proportion of LGA neonates than do population birth weight curves among women with pre-eclampsia delivering at ≥34 weeks. Pre-eclamptic women delivering at ≥34 weeks have fewer placental vascular lesions than do those delivering earlier.
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Karvellas C, Speiser J, Lee W. Determining late predictors of outcome for acetaminophen- induced acute liver failure using classification and regression tree modeling analysis. Crit Care 2014. [PMCID: PMC4068393 DOI: 10.1186/cc13389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Lee S, Park J, Kim T, Kim B, Woo S, Kim Y, Moon S, Kim S, Koh Y, Lee W. EP-1274: Effectiveness and safety of proton beam therapy for hepatocellular carcinoma with portal vein tumour thrombosis. Radiother Oncol 2014. [DOI: 10.1016/s0167-8140(15)31392-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Hsieh R, Lee W. Immediate and medium-term effects of custom-moulded insoles on pain, physical function, physical activity, and balance control in patients with knee osteoarthritis. J Rehabil Med 2014; 46:159-65. [DOI: 10.2340/16501977-1254] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Alcantara S, Reed W, Willis K, Lee W, Brennan P, Lewis S. Radiologist participation in multi-disciplinary teams in breast cancer improves reflective practice, decision making and isolation. Eur J Cancer Care (Engl) 2013; 23:616-23. [DOI: 10.1111/ecc.12169] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/20/2013] [Indexed: 11/28/2022]
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Lee EY, Park JK, Lee W, Kim YK, Park CSY, Giles JT, Park JW, Shin K, Lee JS, Song YW, Lee EB. Head-to-head comparison of udenafil vs amlodipine in the treatment of secondary Raynaud's phenomenon: a double-blind, randomized, cross-over study. Rheumatology (Oxford) 2013; 53:658-64. [DOI: 10.1093/rheumatology/ket417] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Lee SG, Lee YH, Kim KJ, Lee W, Kwon OH, Kim JH. Additive association of vitamin D insufficiency and sarcopenia with low femoral bone mineral density in noninstitutionalized elderly population: the Korea National Health and Nutrition Examination Surveys 2009-2010. Osteoporos Int 2013; 24:2789-99. [PMID: 23652463 DOI: 10.1007/s00198-013-2378-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Accepted: 04/23/2013] [Indexed: 11/27/2022]
Abstract
UNLABELLED Vitamin D insufficiency and sarcopenia are crucial risk factors for osteoporosis. In a study of noninstitutionalized elderly subjects, we investigated the simultaneous effect of vitamin D and sarcopenia on bone mineral density (BMD) and found that sarcopenia was associated with low BMD in the femur, especially in those with suboptimal vitamin D levels. INTRODUCTION Although vitamin D insufficiency and sarcopenia are prevalent in the elderly population worldwide, their possible influence on BMD has not been determined. We aimed to investigate the different effect of vitamin D insufficiency and sarcopenia on BMD in the elderly Korean population. METHODS Individuals aged 60 or older were selected from those who participated in the Fourth and Fifth Korea National Health and Nutrition Examination Surveys conducted in 2009 and 2010; 1,596 males and 1,886 females were analyzed. Appendicular skeletal muscle mass (ASM) and BMD were assessed by dual-energy X-ray absorptiometry; serum 25-hydroxyvitamin D [25(OH)D] and a panel of clinical and laboratory parameters were also measured. RESULTS The study population was divided into four groups according to their vitamin D and sarcopenic status. BMD in total femur and in the femoral neck but not the lumbar spine was markedly decreased in sarcopenic subjects with vitamin D insufficiency [25(OH)D < 20 ng/ml] comparing to other groups, regardless of gender. Multivariable linear regression models showed that BMD was significantly associated with ASM and high daily calcium intake as well as conventional risk factors such as age, body mass index (BMI), and history of fracture. Independent predictors for low femur BMD included sarcopenia, low daily calcium intake, low 25(OH)D levels, age, and BMI. CONCLUSIONS These data showed that an association between vitamin D insufficiency and low BMD was more prominent in elderly subjects with sarcopenia.
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Lee W, Yildiz B. Factors that Influence Cation Segregation at the Surfaces of Perovskite Oxides. ACTA ACUST UNITED AC 2013. [DOI: 10.1149/05701.2115ecst] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Oh J, Choi J, Suh J, Liu H, Hwang K, Chung I, Lee S, Kang J, Park H, Jung W, Jo S, Gweon H, Lee Y, Lee W, Kim J, Han S, Hong G, Lee J, Lee B, Yeo C, Kim H, Seo E, Reynaud P, Goff J, Tan H, Tao J. Preliminary design of the ITER AC/DC converters supplied by the Korean Domestic Agency. FUSION ENGINEERING AND DESIGN 2013. [DOI: 10.1016/j.fusengdes.2013.01.099] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Yang Y, Yuan L, Li T, Ge Y, Yin F, Lee W, Wu Q. Quantitative Comparison of Knowledge-Guided IMRT Planning to Expert Planning for Prostate Cancer. Int J Radiat Oncol Biol Phys 2013. [DOI: 10.1016/j.ijrobp.2013.06.145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Kwon T, Lee W, Jin H, Lee S, Shin H. Introduction of minimally invasive implant fixture removal technique: fixture split technique. Int J Oral Maxillofac Surg 2013. [DOI: 10.1016/j.ijom.2013.07.313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Lee W. Re: Nuchal translucency and major congenital heart defects in fetuses with normal karyotype: a meta-analysis. A. Sotiriadis, S. Papatheodorou, M. Eleftheriades and G. Makrydimas. Ultrasound Obstet Gynecol 2013; 42: 383-389. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2013; 42:373. [PMID: 24078430 DOI: 10.1002/uog.13196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
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Park J, Lee H, Kim YK, Kim KH, Lee W, Lee KY, Park YJ, Kahng J, Kwon HJ, Kim Y, Oh EJ, Lim J, Kim M, Han K. Automated screening for tuberculosis by multiparametric analysis of data obtained during routine complete blood count. Int J Lab Hematol 2013; 36:156-64. [PMID: 24034225 DOI: 10.1111/ijlh.12148] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2013] [Accepted: 07/30/2013] [Indexed: 11/30/2022]
Abstract
INTRODUCTION The main goal of this study was to develop a multiparametric cell population data (CPD) model that combines information from several morphologic parameters generated by DxH800, in addition to the traditional parameters regularly reported in the CBC-diff, and to test the performance of this model in screening the general population for primary tuberculosis (TB). METHODS A total of 3741 study cases were divided into two groups, test and validation set at cut-off value of 6000 WBCs/μL. We developed multiparametric model for primary TB screening (TB hemeprint), selected CPD, and calculated parameters which could discriminate primary TB from other non-TB diseases and normal control in test set. We applied it to the validation set, which was a set of completely different samples, to test its reproducibility if applied to a routine laboratory test. RESULTS After screening primary TB using TB hemeprint, sensitivity, specificity, PPV, and NPV were 85.4%, 89.6%, 31.1%, and 99.1%, respectively, in primary TB with lower than 6000 WBCs/μL of test set (test set-L). In primary TB with higher than 6000 WBCs/μL of test set (test set-H), those values were 83.1%, 85.6%, 29.7%, and 98.6%, respectively. There were only 0.4% (2/461) and 0.6% (2/326) of normal control samples included in test set-L and -H, respectively. Diagnostic efficiencies except sensitivity in each validation set were very comparable with those in each test set. CONCLUSION Tuberculosis hemeprint may allow us to screen primary TB with acceptable sensitivity and specificity using combination of TB-specific CPD and calculated parameters.
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Termei R, Laschinger C, Lee W, McCulloch C. Intercellular interactions between mast cells and fibroblasts promote pro-inflammatory signaling. Exp Cell Res 2013; 319:1839-1851. [DOI: 10.1016/j.yexcr.2013.03.032] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Revised: 03/12/2013] [Accepted: 03/29/2013] [Indexed: 11/30/2022]
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Wastney M, Lee W, Jackson GS, Alloosh M, Sturek M, Lachcik P, Peacock M, Martin B, Weaver CM. Soft tissue calcification in the Ossabaw miniature pig: experimental and kinetic modeling studies. Osteoporos Int 2013; 24:2123-6. [PMID: 23224107 DOI: 10.1007/s00198-012-2229-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2012] [Accepted: 11/13/2012] [Indexed: 10/27/2022]
Abstract
UNLABELLED Calcium (Ca) deposition into vascular tissue was measured in Ossabaw miniature pigs with and without metabolic syndrome (MetS) using Ca tracer kinetics and coronary atherosclerosis measured with intravascular ultrasound. Pigs with MetS had higher Ca uptake into coronary arteries than lean pigs. INTRODUCTION Ca deposition into arteries is a common disease in humans. The Ossabaw pig develops MetS when fed an atherogenic diet. The aim of this study was to measure Ca deposition into arteries of lean vs. MetS pigs. METHODS Male pigs were fed for 5 months with chow diet (healthy, lean; n = 7) or atherogenic diet (n = 8) consisting of chow supplemented with 2 % cholesterol, 43 % kcal from fat, and 20 % kcal from fructose. Pigs were verified to have MetS by obesity, insulin resistance, impaired glucose tolerance, dyslipidemia, and hypertension. Two pigs received 50 nCi of (41)Ca i.v. and blood was drawn frequently for 24 h, and 2, 3, 6, 8, 10, 15, 20, and at sacrifice at 28 days after injection. Peripheral arteries were biopsied four times per pig over the 28th day and coronary artery sampled at sacrifice. Tissues were analyzed for (41)Ca:Ca. A compartmental model was used to estimate rates of Ca deposition into the arteries. RESULTS The MetS swine had higher (41)Ca and atherosclerosis in coronary arteries than lean pigs. CONCLUSIONS This pig model is a suitable model for studying vascular calcification in humans.
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Park JK, Lee EY, Yoon MJ, Lee W, Kim YK, Park CSY, Giles JT, Park JW, Shin KC, Lee JS, Song YW, Lee EB. OP0039 Head to Head Comparison of Udenafil Versus Amlodipine in the Treatment of Secondary Raynaud’s Phenomenon: A Double-Blind, Randomized Cross-Over Study. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2013-eular.244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Naik R, Bahadur G, Olivier F, Srikantharajah A, Mehta J, Joshi H, Shapiro B, Daneshmand S, Garner F, Aguirre M, Hudson C, Catt S, Lingham E, Lee W, Muthusamy Y, Kally C, Chen P, Pangestu M, Catt J, Temple-Smith P, Kailasam C, Gordon UD, Kobayashi M, Yoshida A, Tanigiwa S, Seida K, Suzuki H, Tanaka M, Ogata S, Matsu-ura M, Ogata H, Kajiwara A, Tokura Y, Matsumoto Y, Mizusawa Y, Okamoto E, Yamada S, Kokeguchi S, Shiotani M, Grassa LH, Marin SP, Barragan SA, Lorite JA, Campos FB, Garcia-Velasco JA. Session 61: Effects of interventions on embryo quality. Hum Reprod 2013. [DOI: 10.1093/humrep/det194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Carvalho JS, Allan LD, Chaoui R, Copel JA, DeVore GR, Hecher K, Lee W, Munoz H, Paladini D, Tutschek B, Yagel S. ISUOG Practice Guidelines (updated): sonographic screening examination of the fetal heart. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2013; 41:348-359. [PMID: 23460196 DOI: 10.1002/uog.12403] [Citation(s) in RCA: 429] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
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Back J, Lee W. Three new species of the genusParamesochraT. Scott, 1892 (Copepoda: Harpacticoida: Paramesochridae) from Yellow Sea, Korea with a redescription ofParamesochra similisKunz, 1936. J NAT HIST 2013. [DOI: 10.1080/00222933.2012.742585] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Lee W, Deter R, Sangi-Haghpeykar H, Yeo L, Romero R. Prospective validation of fetal weight estimation using fractional limb volume. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2013; 41:198-203. [PMID: 22605519 PMCID: PMC3601845 DOI: 10.1002/uog.11185] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 04/24/2012] [Indexed: 05/24/2023]
Abstract
OBJECTIVES To prospectively validate the use of fractional limb volume measurements for estimated fetal weight (EFW) during the second and third trimesters of pregnancy and to summarize the medical literature regarding application of fractional limb volume for fetal weight estimation. METHODS One hundred and sixty-four women prospectively underwent three-dimensional ultrasonography within 4 days of delivery. Birth weights (BWs) ranged from 390 to 5426 g. Fetal measurements were extracted using volume datasets for biparietal diameter, abdominal circumference, femur diaphysis length, fractional arm volume and fractional thigh volume. Fractional limb volumes were manually traced from a central portion of the humerus or femur diaphysis. Mean percentage differences and SDs of the percentage differences were calculated for EFW. The proportion of newborns with EFW within 5 or 10% of BW were compared with an estimate obtained using a Hadlock formula that was modified using model coefficients from the same local population sample. RESULTS Ultrasound scans were performed between 21.7 and 42 weeks' menstrual age. Optimal model performance (1.9 ± 6.6%) resulted from using a combination of biparietal diameter, abdominal circumference and fractional thigh volume. The precision of this model was superior to results obtained using a modified Hadlock model (1.1 ± 8.4%), although accuracy of these predictions was slightly decreased for female infants. For all fetuses, the prediction model that incorporated fractional thigh volume correctly classified a greater proportion of EFW within 5% (55.1 vs 43.7%; P = 0.03) or 10% (86.5 vs 75.9%; P < 0.05) of BW when compared with the modified Hadlock model. CONCLUSIONS Fractional thigh volume can be added to two-dimensional sonographic measurements of the head and trunk to improve the precision of fetal weight estimation. This approach permits the inclusion of soft tissue development as part of a weight estimation procedure for the assessment of generalized fetal nutritional status.
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Boyer AC, Gonçalves LF, Lee W, Shetty A, Holman A, Yeo L, Romero R. Magnetic resonance diffusion-weighted imaging: reproducibility of regional apparent diffusion coefficients for the normal fetal brain. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2013; 41:190-7. [PMID: 22744761 PMCID: PMC3562408 DOI: 10.1002/uog.11219] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/30/2012] [Indexed: 05/15/2023]
Abstract
OBJECTIVE To evaluate the reproducibility of regional apparent diffusion coefficient (ADC) measurements of the normal fetal brain in the second and third trimesters of pregnancy. METHODS Fifty normal singleton fetuses from healthy pregnant women between 19 and 37 weeks' gestation were studied without sedation. Single-shot diffusion-weighted images of the fetal brain were obtained using a 1.5-Tesla magnetic resonance scanner and a six-channel body array coil. ADC maps were created using 0 and 1000 b-values along three orthogonal directions. Two examiners independently measured ADC values in the cerebellar hemispheres (CH), pons, thalamus, basal ganglia (BG), centrum semiovale (CSO), and frontal (FWM), parietal (PWM), temporal (TWM) and occipital (OWM) white matter. Correlation between ADC values and menstrual age was assessed by linear regression analysis. The bias and agreement of ADC measurements were determined using Bland-Altman plots. RESULTS ADC values either remained constant (BG, FWM, PWM, TWM, OWM, CSO) or decreased (CH, pons, thalamus) with advancing menstrual age. Mean intraobserver bias for ADC measurements was not significantly different from zero. Small interobserver differences in mean ADC measurements (i.e. a small mean bias) were detected for CH (1.26 ± 0.20 vs 1.20 ± 0.18 μm(2) /ms, P = 0.006), PWM (1.37 ± 0.29 vs 1.33 ± 0.26 μm(2) /ms, P = 0.02) and CSO (1.36 ± 0.29 vs 1.33 ± 0.28 μm(2) /ms, P < 0.0001). Measurement agreement was acceptable. CONCLUSIONS ADC measurements in normal unsedated fetuses in the second and third trimesters are reproducible except for small differences for PWM, CH and CSO between examiners.
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Bhide A, Acharya G, Bilardo CM, Brezinka C, Cafici D, Hernandez-Andrade E, Kalache K, Kingdom J, Kiserud T, Lee W, Lees C, Leung KY, Malinger G, Mari G, Prefumo F, Sepulveda W, Trudinger B. ISUOG practice guidelines: use of Doppler ultrasonography in obstetrics. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2013; 41:233-239. [PMID: 23371348 DOI: 10.1002/uog.12371] [Citation(s) in RCA: 282] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
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Lee W, Tay A, Subbiah R, Walker B, Kuchar D, Muthiah K, Robson D, Hodkinson E, Macdonald P, Keogh A, Kotlyar E, Jabbour A, Spratt P, Granger E, Dhital K, Jansz P, Hayward C. Impact of Implantable Cardioverter Defibrillators on Survival of Patients with Centrifugal Left Ventricular Assist Devices. Heart Lung Circ 2013. [DOI: 10.1016/j.hlc.2013.05.188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Wojcik W, Lee W, Colman I, Hardy R, Hotopf M. Foetal origins of depression? A systematic review and meta-analysis of low birth weight and later depression. Psychol Med 2013; 43:1-12. [PMID: 22717127 PMCID: PMC3521225 DOI: 10.1017/s0033291712000682] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2011] [Revised: 03/06/2012] [Accepted: 03/08/2012] [Indexed: 01/21/2023]
Abstract
BACKGROUND The foetal origins hypothesis suggests an association between low birth weight and later depression, yet evidence supporting this association has been inconsistent. METHOD We systematically reviewed evidence for an association between low birth weight and adult depression or psychological distress in the general population by meta-analysis. We searched EMBASE, Medline, PsycINFO and ISI Web of Science for studies reporting observational data with low birth weight as the exposure and self- or clinician-rated depression or psychological distress measures as an outcome. Selective studies of exposures such as famine or outcomes such as severe illness only were excluded. Altogether,1454 studies were screened for relevance, 26 were included in the qualitative synthesis, 18 were included in the meta-analysis. A random effects meta-analysis method was used to obtain a pooled estimate of effect size. RESULTS The odds of depression or psychological distress was greater for those of low birth weight (<2500 g) compared to those of normal birth weight (>2500 g) or greater [odds ratio (OR) 1.15, 95% confidence intervals (CI) 1.00-1.32]. However, this association became non-significant after trim-and-fill correction for publication bias (OR 1.08, 95% CI 0.92-1.27). Using meta-regression, no differences in effect size were observed by gender, outcome measure of depression or psychological distress, or whether the effect size was adjusted for possible confounders. CONCLUSIONS We found evidence to support a weak association between low birth weight and later depression or psychological distress, which may be due to publication bias. It remains possible that the association may vary according to severity of symptoms or other factors.
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von Karsa L, Patnick J, Segnan N, Atkin W, Halloran S, Lansdorp-Vogelaar I, Malila N, Minozzi S, Moss S, Quirke P, Steele RJ, Vieth M, Aabakken L, Altenhofen L, Ancelle-Park R, Antoljak N, Anttila A, Armaroli P, Arrossi S, Austoker J, Banzi R, Bellisario C, Blom J, Brenner H, Bretthauer M, Camargo Cancela M, Costamagna G, Cuzick J, Dai M, Daniel J, Dekker E, Delicata N, Ducarroz S, Erfkamp H, Espinàs JA, Faivre J, Faulds Wood L, Flugelman A, Frkovic-Grazio S, Geller B, Giordano L, Grazzini G, Green J, Hamashima C, Herrmann C, Hewitson P, Hoff G, Holten I, Jover R, Kaminski MF, Kuipers EJ, Kurtinaitis J, Lambert R, Launoy G, Lee W, Leicester R, Leja M, Lieberman D, Lignini T, Lucas E, Lynge E, Mádai S, Marinho J, Maučec Zakotnik J, Minoli G, Monk C, Morais A, Muwonge R, Nadel M, Neamtiu L, Peris Tuser M, Pignone M, Pox C, Primic-Zakelj M, Psaila J, Rabeneck L, Ransohoff D, Rasmussen M, Regula J, Ren J, Rennert G, Rey J, Riddell RH, Risio M, Rodrigues V, Saito H, Sauvaget C, Scharpantgen A, Schmiegel W, Senore C, Siddiqi M, Sighoko D, Smith R, Smith S, Suchanek S, Suonio E, Tong W, Törnberg S, Van Cutsem E, Vignatelli L, Villain P, Voti L, Watanabe H, Watson J, Winawer S, Young G, Zaksas V, Zappa M, Valori R. European guidelines for quality assurance in colorectal cancer screening and diagnosis: overview and introduction to the full supplement publication. Endoscopy 2013; 45:51-9. [PMID: 23212726 PMCID: PMC4482205 DOI: 10.1055/s-0032-1325997] [Citation(s) in RCA: 186] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Population-based screening for early detection and treatment of colorectal cancer (CRC) and precursor lesions, using evidence-based methods, can be effective in populations with a significant burden of the disease provided the services are of high quality. Multidisciplinary, evidence-based guidelines for quality assurance in CRC screening and diagnosis have been developed by experts in a project co-financed by the European Union. The 450-page guidelines were published in book format by the European Commission in 2010. They include 10 chapters and over 250 recommendations, individually graded according to the strength of the recommendation and the supporting evidence. Adoption of the recommendations can improve and maintain the quality and effectiveness of an entire screening process, including identification and invitation of the target population, diagnosis and management of the disease and appropriate surveillance in people with detected lesions. To make the principles, recommendations and standards in the guidelines known to a wider professional and scientific community and to facilitate their use in the scientific literature, the original content is presented in journal format in an open-access Supplement of Endoscopy. The editors have prepared the present overview to inform readers of the comprehensive scope and content of the guidelines.
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Vaske CJ, Lee W, Benz SC, Sanborn JZ, Emerson BM, Pourmand N, Lopez DF. Abstract P2-06-05: Single-cell RNA sequencing of paclitaxol-treated breast cancer cell lines to find individual cell response. Cancer Res 2012. [DOI: 10.1158/0008-5472.sabcs12-p2-06-05] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Cancer treatments act on a population of cells, each of which may experience different individual responses to treatment. Such differential response will result in resistance to treatment even if a majority of cancerous cells are eliminated. To examine differential cell response, we simultaneously profiled the gene expression and mutation spectrum of individual cells from the MDAMB231 cell line using next generation sequencing of isolated RNA. A total of 23 transcriptomes were characterized from paclitaxel-treated and paclitaxel-surviving cells. We found significant different changes in mutation rates between paclitaxel treated cells, with a dose-dependent increase in single nucleotide changes in RNA in paclitaxel-treated cells. Cells undergoing exposure to paclitaxel also showed higher pathway activity in SRC, as well as an integrin switch from ITGB1 to ITGB3. In contrast, cells that survived a high dose of paclitaxel showed an insignificant number of single nucleotide changes, suggesting that these cells either evaded initial paclitaxel exposure or were better able to repair the effects of paclitaxel exposure. Despite the RNA sequence similarity between surviving and untreated cells, there were changes in gene expression and pathway activities including higher PI3K activity. Paclitaxel-surviving cells also showed activation of pathways associated with higher proliferation.
Citation Information: Cancer Res 2012;72(24 Suppl):Abstract nr P2-06-05.
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228
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Kim JS, Hwang HY, Cho KR, Park EA, Lee W, Paeng JC, Lee DS, Kim HK, Sohn DW, Kim KB. Intramyocardial transfer of hepatocyte growth factor as an adjunct to CABG: phase I clinical study. Gene Ther 2012; 20:717-22. [PMID: 23151518 DOI: 10.1038/gt.2012.87] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2012] [Revised: 08/31/2012] [Accepted: 10/08/2012] [Indexed: 11/09/2022]
Abstract
The purpose of this phase I clinical trial was to evaluate the safety, tolerability and potential efficacy of VM202, naked DNA expressing two isoforms of hepatocyte growth factor, as an adjunct therapy to coronary artery bypass grafting (CABG) in patients with ischemic heart disease (IHD). Nine patients were assigned to receive increasing doses (0.5 to 2.0 mg) of VM202 injected into the right coronary artery (RCA) territory following completion of CABG for the left coronary artery territory. Patients were evaluated for safety and tolerability, and changes in myocardial functions were monitored via echocardiography, cardiac magnetic resonance imaging and myocardial single photon emission computed tomography throughout 6-month follow-up period. No serious complication related to VM202 was observed throughout the 6-month follow-up period. Global myocardial functions (wall motion score index, P=0.0084; stress perfusion, P=0.0002) improved during the follow-up period. In the RCA region, there was an increase in the stress perfusion (baseline vs 3-month, P=0.024; baseline vs 6-month, P=0.024) and also in the wall thickness of the diastolic and systolic phases. Intramyocardial injection of VM202 can be safely used in IHD patients with the tolerable dose of 2.0 mg. In addition, VM202 might appear to have improved regional myocardial perfusion and wall thickness in the injected region.
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229
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Li T, Wu Q, Yuan L, Yin F, Lee W. Prostate SBRT in 5 Fractions: Initial Report on Dosimetric Results and IGRT Experiences. Int J Radiat Oncol Biol Phys 2012. [DOI: 10.1016/j.ijrobp.2012.07.2180] [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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230
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Im J, Choi Y, Seong J, Lee I, Park J, Yoon D, Kim K, Lee W. Higher Radiation Dose May Benefit Patients With Extrahepatic Bile Duct Cancer Undergoing Curative Resection. Int J Radiat Oncol Biol Phys 2012. [DOI: 10.1016/j.ijrobp.2012.07.875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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231
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Chen H, Lee W, Kuo M, Chou C, Su W. Prognostic Value of Human Copper Transporter 1 (hCtr1) in Cervical Cancer Patients Treated With Radical Hysterectomy and Adjuvant Chemoradiation Therapy or Salvage Chemoradiation Therapy at Recurrence. Int J Radiat Oncol Biol Phys 2012. [DOI: 10.1016/j.ijrobp.2012.07.1151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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232
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Lee J, Kim W, Lee W, Lee J. 466 K-ras and Aryl Hydrocarbon Receptor Expression in Triple Negative Breast Cancers. Eur J Cancer 2012. [DOI: 10.1016/s0959-8049(12)72264-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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233
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Kim T, Lee HH, Chung SH, Lee W. Effects of Operative Hysteroscopy with Antiadhesion Solution in the Patients Who Have Abnormal Uterine Bleeding or Intrauterine Lesions. J Minim Invasive Gynecol 2012. [DOI: 10.1016/j.jmig.2012.08.370] [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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234
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Patel P, Lee J, Kundu D, Temple K, May R, Lee W, Yoo D, Brizel D. Postoperative Radiation Therapy for Salivary Gland Tumors: Factors Associated With Treatment Failure and Toxicity. Int J Radiat Oncol Biol Phys 2012. [DOI: 10.1016/j.ijrobp.2012.07.1339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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235
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Schure R, Costa KD, Rezaei R, Lee W, Laschinger C, Tenenbaum HC, McCulloch CA. Impact of matrix metalloproteinases on inhibition of mineralization by fetuin. J Periodontal Res 2012; 48:357-66. [DOI: 10.1111/jre.12015] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/22/2012] [Indexed: 12/17/2022]
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236
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Yun GS, Park HK, Lee W, Choi MJ, Choe GH, Park S, Bae YS, Lee KD, Yoon SW, Jeon YM, Domier CW, Luhmann NC, Tobias B, Donné AJH. Appearance and dynamics of helical flux tubes under electron cyclotron resonance heating in the core of KSTAR plasmas. PHYSICAL REVIEW LETTERS 2012; 109:145003. [PMID: 23083252 DOI: 10.1103/physrevlett.109.145003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2011] [Indexed: 06/01/2023]
Abstract
Dual (or sometimes multiple) flux tubes (DFTs) have been observed in the core of sawtoothing KSTAR tokamak plasmas with electron cyclotron resonance heating. The time evolution of the flux tubes visualized by a 2D electron cyclotron emission imaging diagnostic typically consists of four distinctive phases: (1) growth of one flux tube out of multiple small flux tubes during the initial buildup period following a sawtooth crash, resulting in a single dominant flux tube along the m/n=1/1 helical magnetic field lines, (2) sudden rapid growth of another flux tube via a fast heat transfer from the first one, resulting in approximately identical DFTs, (3) coalescence of the two flux tubes into a single m/n=1/1 flux tube resembling the internal kink mode in the normal sawteeth, which is explained by a model of two current-carrying wires confined on a flux surface, and (4) fast localized crash of the merged flux tube similar to the standard sawtooth crash. The dynamics of the DFTs implies that the internal kink mode is not a unique prerequisite to the sawtooth crash, providing a new insight on the control of the sawtooth.
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237
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Chie W, Fu C, Lee W, Li C, Huang C, Chang K, Lin R. Ages at different reproductive events, numbers of menstrual cycles in between and breast cancer risk. Oncol Rep 2012; 4:1039-43. [PMID: 21590191 DOI: 10.3892/or.4.5.1039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
One hundred and seventy-five pathologically confirmed new cases of female breast cancer in National Taiwan University Hospital were selected as the case group. Four hundred and fifty-seven inpatient controls were individually matched for each case by age and date of admission. Information of reproductive factors and potential confounders were collected from questionnaire interview and medical records. Menstrual cycles before and after first fuIl-term pregnancy were estimated from the questionnaire. Conditional logistic regression was used to estimate the effects of reproductive risk factors and numbers of menstrual cycles before and after first full-term pregnancy. After adjusting for educational level, body mass index, family history of breast cancer and oral contraceptive use, age at menarche and menopause only showed borderline significance. Age at first full-term birth predicted breast cancer risk better. Parity was the most important protective factor. Number of menstrual cycles before first full-term pregnancy was also positively associated with breast cancer risk with linear trends.
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238
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Konofagou E, Lee W, Ingrassia C. A theoretical performance assessment tool for myocardial elastography. CONFERENCE PROCEEDINGS : ... ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL CONFERENCE 2012; 2006:985-8. [PMID: 17282351 DOI: 10.1109/iembs.2005.1616582] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The main purpose of this paper is to develop a theoretical tool in order to fundamentally characterize the performance of Myocardial Elastography and identify the optimal parameters to be used for the more reliable detection of ischemia or infarction. A complete representation of the left-ventricular function throughout an entire cardiac cycle was previously demonstrated through the use of a 3D finite-element analysis (FEA) model. This FEA model together with an ultrasound image formation model is used here in order to test the performance of 2D Myocardial Elastography at distinct phases of the cardiac cycle and at different states of myocardium, i.e., normal and ischemic, based on in vivo canine data. A previously developed 3D finite-element analysis (FEA) model of a normal canine left ventricle with 80 nodes and 40 elements was used to simulate all main phases of the cardiac cycle. The axial and lateral displacements within multiple image (x-y) planes across the left-ventricular volume were iteratively calculated and corrected to reduce the decorrelation noise. Given the excellent agreement between the FEA solution and the elastographic strains measured in 2D over an entire simulated cardiac cycle, Myocardial Elastography proves to be a reliable technique for the accurate assessment of the myocardial deformation in 2D at distinct phases of the cardiac cycle as well as detection of the ischemic region. Preliminary in vivo results of a standard short-axis view in a canine myocardium are shown validating the performance assessment using the proposed model.
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Kim T, Park J, Hur S, Lee S, Lee W, Kim S, Hong S, Choi H, Cho C, Kim K. M352 THE ESTABLISHMENT OF THE KOREAN HUMAN PAPILLOMAVIRUS COHORT STUDY. Int J Gynaecol Obstet 2012. [DOI: 10.1016/s0020-7292(12)61543-4] [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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240
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Nam Y, Lee W, Yun GS, Park HK, Elbeze D, Segui JL, Sabot R, Chenevoix JP. Design of the reflective optics for Tore Supra ECEI system. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2012; 83:10E318. [PMID: 23126976 DOI: 10.1063/1.4732852] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
A 2D electron cyclotron emission (ECE) imaging system for Tore Supra is under design for studying the MHD physics of the magnetically confined plasma such as sawteeth, tearing modes, and turbulent fluctuations. Complex beam path due to the tight access in Tore Supra led to the design of reflective optics made of 6 or more large cylindrical∕flat mirrors. The total path length of the ECE beam is about 11 m, including almost 4 m inside the vacuum vessel. The imaging property of the optics has been estimated using the Gaussian beam simulation and ray transfer analysis. The possible setups for the optical alignment of the diagnostic and the operation scenarios with single- or dual-array measurement system are discussed.
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241
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Nelson S, Lee W, Albert JM, Singer LT. Early maternal psychosocial factors are predictors for adolescent caries. J Dent Res 2012; 91:859-64. [PMID: 22821239 DOI: 10.1177/0022034512454434] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Few studies have investigated the role of early maternal enabling and psychosocial factors on subsequent adolescent caries experience. In this retrospective cohort study of 224 adolescents, we hypothesized that the causal pathway between early maternal enabling factors (education, cognitive abilities, psychological distress) and adolescent caries experience (DMFT) at age 14 yrs is mediated by maternal psychosocial factors (stress, coping, social support) and adolescent dental behavior/access. Maternal data on socio-demographic, medical, and psychosocial variables were measured when the child was 3, 8, and 14 yrs old. A structural equations model (SEM) evaluated the causal pathway, with latent variables for maternal enabling factors (MEF), stress, coping, and social support. Poor MEF was associated with increased stress and poorer coping when the child was 3 yrs old, which in turn affected adolescent dental visits and behavior. Greater social support at child's age 3 was directly associated with lower mean DMFT in adolescence. Maternal psychosocial factors measured when children are young are important mediators for adolescent mean DMFT, but these factors measured when children are adolescents are not. Better early and concurrent MEF, however, was associated directly/indirectly (through dental visits and insurance) with adolescent DMFT. Early maternal factors are important predictors for adolescent caries.
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242
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Xu Z, Li T, Lee W, Hood R, Godfrey D, Wu Q. SU-E-J-16: Prostate Bed Motion during Post-Prostatectomy Radiotherapy. Med Phys 2012; 39:3655. [DOI: 10.1118/1.4734849] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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243
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Liew YX, Lee W, Cai YY, Teo J, Tang SSL, Ong RWQ, Lim CLL, Lingegowda PB, Kwa ALH, Chlebicki MP. Utility and safety of procalcitonin in an antimicrobial stewardship program (ASP) in patients with malignancies. Eur J Clin Microbiol Infect Dis 2012; 31:3041-6. [PMID: 22678350 DOI: 10.1007/s10096-012-1662-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2012] [Accepted: 05/19/2012] [Indexed: 11/24/2022]
Abstract
As data on procalcitonin utility in antibiotics discontinuation [under an antimicrobial stewardship program (ASP)] in patients with malignancies are lacking, we aimed to evaluate the utility of procalcitonin in an ASP in patients with malignancies. We conducted a retrospective review of the ASP database of all patients with malignancies in whom at least one procalcitonin level was taken and our ASP had recommended changes in carbapenem regimen, from January to December 2011. We compared clinical outcomes between two groups of patients: patients whose physicians accepted and those whose physicians rejected ASP interventions. There were 749 carbapenem cases reviewed. Ninety-nine were suggested to either de-escalate, discontinue antibiotics, or narrow the spectrum of empiric treatment, based on procalcitonin trends. While there was no statistical difference in the mortality within 30 days post-ASP intervention (accepted: 8/65 patients vs. rejected: 9/34 patients; p = 0.076), the median duration of carbapenem therapy was significantly shorter (5 vs. 7 days; p = 0.002). Procalcitonin use safely facilitates decisions on antibiotics discontinuation and de-escalation in patients with malignancies in the ASP.
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244
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Shin SH, Lee W, Choi J, Moon I, Kim S. Management of Parotid Gland in External Auditory Canal Carcinoma. Skull Base Surg 2012. [DOI: 10.1055/s-0032-1314236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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245
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Koh S, Moon I, Shin SH, Kim M, Lee W. Clinical Characteristics of Microsurgical Removal for Vestibular Schwannoma after Gamma Knife Radiosurgery. Skull Base Surg 2012. [DOI: 10.1055/s-0032-1314129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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246
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Li T, Yuan L, Lee W, Yin F, Wu QJ. SU-E-T-406: Online Image-Guidance for Prostate SBRT: Dosimetric Benefits and Margin Analysis. Med Phys 2012; 39:3798. [DOI: 10.1118/1.4735495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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247
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Stonnington C, Liu X, Locke D, Lee W, Caselli R, Reiman E, Chen K. Fibrillar Amyloid Correlates of Subtle Cognitive Decline among Normal Individuals (S34.003). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.s34.003] [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] Open
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248
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Lee W, Woo ER, Choi JS. Effects of myricetin on the bioavailability of carvedilol in rats. PHARMACEUTICAL BIOLOGY 2012; 50:516-522. [PMID: 22132944 DOI: 10.3109/13880209.2011.611141] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
CONTEXT As an inhibitor of CYP2C9, CYP2D6 and P-gp, myricetin might affect the bioavailability of carvedilol when myricetin and carvedilol are used concomitantly for the prevention or therapy of cardiovascular diseases as a combination therapy. However, the effect of myricetin on the pharmacokinetics of carvedilol has not been reported in vivo. OBJECTIVE This study investigated the effects of myricetin on the pharmacokinetics of carvedilol after oral or intravenous administration of carvedilol in rats. MATERIALS AND METHODS Carvedilol was administered orally or intravenously with or without oral administration of myricetin to rats. RESULTS The effects of myricetin on P-gp, CYP2C9 and 2D6 activity were evaluated. Myricetin inhibited CYP2C9 and CYP2D6 enzyme activity with IC50 of 13 and 57 μM, respectively. In addition, myricetin significantly enhanced the cellular accumulation of rhodamine-123 in MCF-7/ADR cells overexpressing P-gp. Compared with the control group, the AUC was significantly increased by 52.0-85.1%, and the C(max) was significantly increased by 93.1-133.4% in the presence of myricetin after oral administration of carvedilol. Consequently, the relative bioavailability of carvedilol was increased by 1.17- to 1.85-fold and the absolute bioavailability of carvedilol in the presence of myricetin was increased by 18.1-86.4%. T(max) was significantly decreased. DISCUSSION AND CONCLUSION The enhanced oral bioavailability of carvedilol may result from both inhibition of CYP2C9 or CYP2D6-mediated metabolism and P-gp-mediated efflux of carvedilol in small intestine and/or in liver by myricetin rather than reducing renal elimination. Concomitant use of myricetin or myricetin-containing dietary supplements with carvedilol will require close monitoring for potential drug interactions.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily B, Member 1/antagonists & inhibitors
- ATP Binding Cassette Transporter, Subfamily B, Member 1/metabolism
- Administration, Oral
- Animals
- Antihypertensive Agents/administration & dosage
- Antihypertensive Agents/blood
- Antihypertensive Agents/pharmacokinetics
- Aryl Hydrocarbon Hydroxylases/antagonists & inhibitors
- Aryl Hydrocarbon Hydroxylases/metabolism
- Biological Availability
- Carbazoles/administration & dosage
- Carbazoles/blood
- Carbazoles/pharmacokinetics
- Carvedilol
- Cell Line, Tumor
- Cytochrome P-450 CYP2C9
- Cytochrome P-450 CYP2D6/metabolism
- Cytochrome P-450 CYP2D6 Inhibitors
- Drug Interactions
- Enzyme Inhibitors/administration & dosage
- Flavonoids/administration & dosage
- Fluorescent Dyes/metabolism
- Humans
- Injections, Intravenous
- Intestine, Small/drug effects
- Intestine, Small/enzymology
- Liver/drug effects
- Liver/enzymology
- Male
- Propanolamines/administration & dosage
- Propanolamines/blood
- Propanolamines/pharmacokinetics
- Rats
- Rats, Sprague-Dawley
- Rhodamine 123/metabolism
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Merz E, Abramovicz J, Baba K, Blaas HGK, Deng J, Gindes L, Lee W, Platt L, Pretorius D, Schild R, Sladkevicius P, Timor-Tritsch I. 3D imaging of the fetal face - recommendations from the International 3D Focus Group. ULTRASCHALL IN DER MEDIZIN (STUTTGART, GERMANY : 1980) 2012; 33:175-182. [PMID: 22513890 DOI: 10.1055/s-0031-1299378] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
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250
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Karvellas C, Fix O, Battenhouse H, Durkalski V, Sanders C, Lee W. Intracranial pressure monitoring in acute liver failure: a retrospective cohort study. Crit Care 2012. [PMCID: PMC3363726 DOI: 10.1186/cc10915] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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