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Behman R, Nathens AB, Pechlivanoglou P, Karanicolas P, Jung J, Look Hong N. Early operative management in patients with adhesive small bowel obstruction: population-based cost analysis. BJS Open 2020; 4:914-923. [PMID: 32603528 PMCID: PMC7528511 DOI: 10.1002/bjs5.50311] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Accepted: 05/11/2020] [Indexed: 12/22/2022] Open
Abstract
Background Adhesive small bowel obstruction (aSBO) is a potentially recurrent disease. Although non‐operative management is often successful, it is associated with greater risk of recurrence than operative intervention, and may have greater downstream morbidity and costs. This study aimed to compare the current standard of care, trial of non‐operative management (TNOM), and early operative management (EOM) for aSBO. Methods Patients admitted to hospital between 2005 and 2014 in Ontario, Canada, with their first episode of aSBO were identified and propensity‐matched on their likelihood to receive EOM for a cost–utility analysis using population‐based administrative data. Patients were followed for 5 years to determine survival, recurrences, adverse events and inpatient costs to the healthcare system. Utility scores were attributed to aSBO‐related events. Cost–utility was presented as the incremental cost‐effectiveness ratio (ICER), expressed as Canadian dollars per quality‐adjusted life‐year (QALY). Results Some 25 150 patients were admitted for aSBO and 3174 (12·6 per cent) were managed by EOM. Patients managed by TNOM were more likely to experience recurrence of aSBO (20·9 per cent versus 13·2 per cent for EOM; P < 0·001). The lower recurrence rate associated with EOM contributed to an overall net effectiveness in terms of QALYs. The mean accumulated costs for patients managed with EOM exceeded those of TNOM ($17 951 versus $11 594 (€12 288 versus €7936) respectively; P < 0·001), but the ICER for EOM versus TNOM was $29 881 (€20 454) per QALY, suggesting cost‐effectiveness. Conclusion This retrospective study, based on administrative data, documented that EOM may be a cost‐effective approach for patients with aSBO in terms of QALYs. Future guidelines on the management of aSBO may also consider the long‐term outcomes and costs.
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Jung J, Hong MJ, Kim EO, Lee J, Kim MN, Kim SH. Investigation of a nosocomial outbreak of coronavirus disease 2019 in a paediatric ward in South Korea: successful control by early detection and extensive contact tracing with testing. Clin Microbiol Infect 2020; 26:1574-1575. [PMID: 32593744 PMCID: PMC7315989 DOI: 10.1016/j.cmi.2020.06.021] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 06/16/2020] [Accepted: 06/19/2020] [Indexed: 12/20/2022]
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Lee H, Choi S, Chae YK, Jung J, Choi SC, Nam OH. Customized surgical guide with a bite block and retraction arm for a deeply impacted odontoma; a technical note. JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2020; 122:456-457. [PMID: 32416286 DOI: 10.1016/j.jormas.2020.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 04/30/2020] [Accepted: 05/01/2020] [Indexed: 10/24/2022]
Abstract
Odontomas can cause impaction of permanent teeth. During the removal of odontomas associated with an impacted tooth, minimally-invasive surgical approaches are necessary. We present a technical note highlighting easy extraction of a deeply impacted odontoma using a patient-specific computer-aided design/computer-aided manufacturing (CAD/CAM) surgical guide. Its use and advantages are described.
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Kim GU, Kim MJ, Ra SH, Lee J, Bae S, Jung J, Kim SH. Clinical characteristics of asymptomatic and symptomatic patients with mild COVID-19. Clin Microbiol Infect 2020; 26:948.e1-948.e3. [PMID: 32360780 PMCID: PMC7252018 DOI: 10.1016/j.cmi.2020.04.040] [Citation(s) in RCA: 248] [Impact Index Per Article: 62.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 04/21/2020] [Accepted: 04/27/2020] [Indexed: 01/18/2023]
Abstract
OBJECTIVES Detailed knowledge on the prevalence of asymptomatic cases of coronavirus disease 2019 (COVID-19) and the clinical characteristics of mild COVID-19 is essential for effective control of the COVID-19 pandemic. We determined the prevalence of asymptomatic cases of COVID-19 and characterized the symptoms of patients with mild COVID-19. METHODS Study participants were recruited from a community facility designated for the isolation of patients without moderate-to-severe symptoms of COVID-19 in South Korea. The prevalence of asymptomatic patients at admission and the detailed symptoms of mild COVID-19 were evaluated through a questionnaire-based survey. Diagnosis of COVID-19 was confirmed by real-time RT-PCR. RESULTS Of the 213 individuals with COVID-19, 41 (19.2%) were asymptomatic until admission. Among the remaining patients with mild COVID-19, the most common symptom was cough (40.1%; 69/172), followed by hyposmia (39.5%; 68/172) and sputum (39.5%; 68/172). Of the 68 individuals with hyposmia, 61 (90%) had accompanying symptoms such as hypogeusia, nasal congestion or rhinorrhoea. Fever (>37.5°C) was only observed in 20 (11.6%) individuals. CONCLUSIONS As much as one-fifth of individuals with COVID-19 remained asymptomatic from exposure to admission. Hyposmia was quite frequent among individuals with mild COVID-19, but fever was not. Social distancing should be strongly implemented to prevent disease transmission from asymptomatic individuals or those with mild and inconspicuous symptoms.
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Kim JH, Kim I, Kang CK, Jun KI, Yoo SH, Chun JY, Jung J, Kim YJ, Kim DY, Jo HB, Kim DY, Koh Y, Shin DY, Hong J, Kim NJ, Yoon SS, Kim TS, Park WB, Oh MD. Enhanced antimicrobial stewardship based on rapid phenotypic antimicrobial susceptibility testing for bacteraemia in patients with haematological malignancies: a randomized controlled trial. Clin Microbiol Infect 2020; 27:69-75. [PMID: 32272171 DOI: 10.1016/j.cmi.2020.03.038] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 03/30/2020] [Accepted: 03/31/2020] [Indexed: 12/14/2022]
Abstract
OBJECTIVES Recently, rapid phenotypic antimicrobial susceptibility testing (AST) based on microscopic imaging analysis has been developed. The aim of this study was to determine whether implementation of antimicrobial stewardship programmes (ASP) based on rapid phenotypic AST can increase the proportion of patients with haematological malignancies who receive optimal targeted antibiotics during early periods of bacteraemia. METHODS This randomized controlled trial enrolled patients with haematological malignancies and at least one positive blood culture. Patients were randomly assigned 1:1 to conventional (n = 60) or rapid phenotypic (n = 56) AST. The primary outcome was the proportion of patients receiving optimal targeted antibiotics 72 hr after blood collection for culture. RESULTS The percentage receiving optimal targeted antibiotics at 72 hr was significantly higher in the rapid phenotypic AST group (45/56, 80.4%) than in conventional AST group (34/60, 56.7%) (relative risk (RR) 1.42, 95% confidence interval (CI) 1.09-1.83). The percentage receiving unnecessary broad-spectrum antibiotics at 72 hr was significantly lower (7/26, 12.5% vs 18/60, 30.0%; RR 0.42, 95% CI 0.19-0.92) and the mean time to optimal targeted antibiotic treatment was significantly shorter (38.1, standard deviation (SD) 38.2 vs 72.8, SD 93.0 hr; p < 0.001) in the rapid phenotypic AST group. The mean time from blood collection to the AST result was significantly shorter in the rapid phenotypic AST group (48.3, SD 17.6 vs 83.1, SD 22.2 hr). DISCUSSION ASP based on rapid phenotypic AST can rapidly optimize antibiotic treatment for bacteraemia in patients with haematological malignancy. Rapid phenotypic AST can improve antimicrobial stewardship in immunocompromised patients.
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Hoe LS, Wells M, Bouquet M, Hyslop K, Passmore M, Bartnikowski N, Obonyo N, Reid J, O'Neill H, Shuker T, McDonald C, Engkilde-Pedersen S, Wildi K, Ainola C, Skeggs K, Jung J, Colombo S, Sato K, James L, He P, Wood E, Heinser S, Wang X, Abbate G, Livingstone S, Haymet A, Walweel K, Mullins D, Marasco S, Diab S, Tung J, Molenaar P, Bassi GL, Suen J, McGiffin D, Fraser J. Metabolic and Mitochondrial Alterations Following Brain Death and Heart Transplantation. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.419] [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] Open
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Jung J, Choi HS, Lee JY, Ryu S, Kim SK, Hong M, Kwak S, Kim H, Lee MS, Sung H, Kim MN, Kim SH. Outbreak of carbapenemase-producing Enterobacteriaceae associated with a contaminated water dispenser and sink drains in the cardiology units of a Korean hospital. J Hosp Infect 2020; 104:476-483. [DOI: 10.1016/j.jhin.2019.11.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 11/12/2019] [Accepted: 11/21/2019] [Indexed: 12/19/2022]
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Kim YJ, Lee S, Jung J, Jung H, In S, Chang J, Chang D, Fahie M. Atlantoaxial bands in small breed dogs: influence of external pressure by the endotracheal tube tie. J Small Anim Pract 2020; 61:163-169. [PMID: 31960442 DOI: 10.1111/jsap.13094] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 10/30/2019] [Accepted: 11/01/2019] [Indexed: 11/30/2022]
Abstract
OBJECTIVES To determine the prevalence of dorsal cervical spinal compression in a population of dogs susceptible to caudal occipital dysplasia. To determine whether endotracheal tube ties iatrogenically alter the dorsal compression ratio in the atlantoaxial region. MATERIALS AND METHODS Prospective, randomised, controlled, cross-over, blinded cohort study of dogs weighing <15 kg and presenting for neurologic signs localised to the cervical region. In mid-sagittal T2-weighted MR images, dorsal cervical compression and cerebellar compression were evaluated. Dorsal cervical compression ratios were calculated and compared to determine the effect of the endotracheal tube tie on the atlantoaxial region depending on whether dogs were in extended or flexed neck position. RESULTS Prevalence of dorsal cervical spinal compression consistent with an atlantoaxial band was 32/44 (73%) dogs without tie pressure and 37/44 (84%) dogs with tie pressure. Significantly higher compression ratios were found with tie placement over the craniocervical region. Dorsal compression ratios of dogs with cerebellar compression were significantly greater than those without it. CLINICAL SIGNIFICANCE The location of the endotracheal tube tie can influence interpretation of MR images of the craniocervical region of small breed dogs. These breeds more often had greater dorsal cervical spinal compression with tie pressure, especially when they had cerebellar compression.
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Shapey J, Barkas K, Jung J, Gullan R, Barazi S, Bentley R, Huppa C, Thomas NW. Letter of response to: spheno-orbital meningiomas. Acta Neurochir (Wien) 2019; 161:10.1007/s00701-019-04103-z. [PMID: 31707458 DOI: 10.1007/s00701-019-04103-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 10/08/2019] [Indexed: 10/25/2022]
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Benmohamed B, Chaker K, Messaoudi A, Obringer L, Schneider M, Gautier B, Lopez S, Jung J. Signification pronostique de l’indice d’aire du muscle psoas dans les tumeurs des voies excrétrices. Prog Urol 2019. [DOI: 10.1016/j.purol.2019.08.065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Kim H, Kim T, Jung J, Kim H, Kim J. The regression patterns of pediatric optic pathway glioma after Proton Beam Therapy. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.07.044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Jung J, Menzies DJ, Thissen H, Easton CD, Evans RA, Henry R, Deletic A, McCarthy DT. New prebiotic chemistry inspired filter media for stormwater/greywater disinfection. JOURNAL OF HAZARDOUS MATERIALS 2019; 378:120749. [PMID: 31226585 DOI: 10.1016/j.jhazmat.2019.120749] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 04/19/2019] [Accepted: 06/06/2019] [Indexed: 06/09/2023]
Abstract
Greywater and stormwater have received significant attention due to increasing water scarcity. Passive filtration such as biofiltration has been a popular treatment method with its low energy input and environmental friendliness. However, pathogen removal capacity needs improvement to achieve safe water quality. In this study, a prebiotic chemistry inspired copolymer based on aminomalononitrile and 3,4,5-trihydroxybenzaldehyde (AMNT30) was introduced to develop antimicrobial media for passive filtration. The AMNT30 polymer provided an adhesive coating on zeolite substrates following a spontaneous polymerisation process at room temperature. AMNT30 coated media were investigated for metal loading capacity, surface morphology, E. coli removal and metal leaching after filtration of different water sources (i.e. stormwater, greywater, and deionised water) at low/high conductivity. The coating enhanced metal ion loading on the surface and demonstrated that >8 log reduction of E. coli can be achieved for silver loaded materials compared to a 1 log reduction for copper loaded materials. The coating also increased the stability of the metals on the media irrespective of inflow characteristics. This study provided the first example using AMNT30 to create antimicrobial water purification media. It is expected that this technology will find applications in the water treatment industry.
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Kim H, Jung J, Jeong C, Kwak J, Choi E, Lee S, Yoon S, Cho B. Prediction of Hepatic Parenchymal Change in Gd-EOB-DTPA MR Images after Stereotactic Body Radiation Therapy by Cycle GAN Deep Neural Network. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.2171] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Jung J, Song S, Lee S, Yang H. Effects of small tidal volume and positive end-expiratory pressure on oxygenation in pressure-controlled ventilation-volume guaranteed mode during one-lung ventilation. J Cardiothorac Vasc Anesth 2019. [DOI: 10.1053/j.jvca.2019.07.063] [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: 11/11/2022]
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Park H, Park J, Yoon S, Jung J, Kim S, Kim J. The Outcome of Stereotactic Body Radiation Therapy versus Concurrent Chemoradiation Therapy for Locally Advanced Pancreatic Cancer. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1920] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Kim H, Jung J, Kim J, Cho B, Kwak J, Jang J, Lee S, Lee J, Yoon S. Abdominal Multi-Organ Auto-Segmentation with 3D-Patch Based Deep Convolutional Neural Network. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.569] [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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Jung J, Park K, Shin SH, Lee JY, Kim MN, Kim SH. The pitfall of cohort isolation in an outbreak of linezolid-resistant, vancomycin-resistant enterococci. Clin Microbiol Infect 2019; 25:1568-1569. [PMID: 31449869 DOI: 10.1016/j.cmi.2019.08.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 08/15/2019] [Accepted: 08/17/2019] [Indexed: 11/28/2022]
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Jung J, Lakatos M, Bengs S, Matys S, Raff J, Blüher A, Cuniberti G. S-layer protein-AuNP systems for the colorimetric detection of metal and metalloid ions in water. Colloids Surf B Biointerfaces 2019; 183:110284. [PMID: 31421406 DOI: 10.1016/j.colsurfb.2019.06.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 06/03/2019] [Accepted: 06/06/2019] [Indexed: 11/19/2022]
Abstract
Bacterial surface layer proteins (S-layer) possess unique binding properties for metal ions. By combining the binding capability of S-layer proteins with the optical properties of gold nanoparticles (AuNP), namely plasmonic resonance, a colorimetric detection system for metal and metalloid ions in water was developed. Eight S-layer proteins from different bacteria species were used for the functionalization of AuNP. The thus developed biohybrid systems, AuNP functionalized with S-layer proteins, were tested with different metal salt solutions, e.g. Indium(III)-chloride, Yttrium(III)-chloride or Nickel(II)-chloride, to determine their selective and sensitive binding to ionic analytes. All tested S-layer proteins displayed unique binding affinities for the different metal ions. For each S-layer and metal ion combination markedly different reaction patterns and differences in concentration range and absorption spectra were detected by UV/vis spectroscopy. In this way, the selective detection of tested metal ions was achieved by differentiated analysis of a colorimetric screening assay of these biohybrid systems. A highly selective and sensitive detection of yttrium ions down to a concentration of 1.67 × 10-5 mol/l was achieved with S-layer protein SslA functionalized AuNP. The presented biohybrid systems can thus be used as a sensitive and fast sensor system for metal and metalloid ions in aqueous systems.
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Jung J, Cho YY, Jung JH, Kim KY, Kim HS, Baek JH, Hahm JR, Cho HS, Kim SK. Are patients with mild to moderate renal impairment on metformin or other oral anti-hyperglycaemic agents at increased risk of contrast-induced nephropathy and metabolic acidosis after radiocontrast exposure? Clin Radiol 2019; 74:651.e1-651.e6. [PMID: 31202566 DOI: 10.1016/j.crad.2019.05.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2018] [Accepted: 05/16/2019] [Indexed: 10/26/2022]
Abstract
AIM To investigate whether the use of metformin during computed tomography (CT) with radiocontrast agents increases the risk of contrast-induced nephropathy (CIN) and metabolic acidosis after CT in type 2 diabetes patients with mild to moderate renal failure. MATERIALS AND METHODS Patient records from January 2015 to December 2017 were reviewed retrospectively. A total of 374 patients were included in the final analysis. Of them, 157 patients received metformin, and 217 patients were taking other oral hypoglycaemic agents (OHAs) during radiocontrast administration. RESULTS No significant difference in CIN incidence was observed between the metformin use group and the other OHAs group (p=0.085). Metabolic acidosis after CT was seen in 91 (58%) patients who used metformin and 141 (65%) patients who were taking other OHAs. There was no relationship between metabolic acidosis after CT and the use of metformin (p=0.195). Metabolic acidosis after radiocontrast agent exposure was associated with malignant disease, low serum albumin level, and low serum total CO2 level at baseline. CONCLUSION These data show that other factors, but not metformin use, are associated with metabolic acidosis after radiocontrast agent exposure in patients with reduced renal function. These data support current recommendations that there is no need to discontinue metformin before CT using radiocontrast agents in patients with mild to moderate renal failure.
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Shin K, Yoon S, Jung J, Hwang E, Jeong S, Chung H, Park K. 466 Stimulation of autophagy attenuated Propionibacterium acnes-induced inflammatory responses in cultured skin cells. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.03.542] [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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Lee S, Jung J, Choi J, Piao M, Choi D, Lee J. 323 Natural antioxidant products from peanuts sprouts and citron seed oils exhibit a potent anti-inflammatory activity in the oxazolone-induced contact dermatitis model in vivo. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.03.399] [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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Feemster JC, Jung J, Timm PC, Westerland SM, Gossard T, Teigen L, Cattaneo E, Imlach C, McCarter SJ, Smith KL, Boeve BF, Silber MH, St. Louis EK. 0650 Normative EMG Values and Isolated Rapid Eye Movement Sleep Without Atonia Frequency in Adults without REM Sleep Behavior Disorder. Sleep 2019. [DOI: 10.1093/sleep/zsz067.648] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Yoon S, Lee S, Kim H, Jung J, Kwak J, Cho B. PO-0789 Evaluation of Hepatic Toxicity after Repeated Stereotactic Body RT for Hepatocellular Carcinoma. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)31209-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Ostrowsky-Coste K, Neal A, Guenot M, Ryvlin P, Bouvard S, Bourdillon P, Jung J, Catenoix H, Montavont A, Isnard J, Arzimanoglou A, Rheims S. Resective surgery in tuberous Sclerosis complex, from Penfield to 2018: A critical review. Rev Neurol (Paris) 2019; 175:163-182. [DOI: 10.1016/j.neurol.2018.11.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 11/02/2018] [Accepted: 11/09/2018] [Indexed: 10/27/2022]
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Acharya S, Lavrador J, Visagan R, Narbad V, Jung J, Vergani F, Bhangoo R, Ashkan K. WP1-17 Risk factors and patterns of progression in a surgical cohort of low grade glioma patients. Journal of Neurology, Neurosurgery and Psychiatry 2019. [DOI: 10.1136/jnnp-2019-abn.18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
ObjectivesTo understand the risk factors for and patterns of progression of low grade glioma (LGG).DesignSingle centre retrospective cohort study.SubjectsPatients undergoing at least two neurosurgical procedures for LGG, the first being for diffuse LGG (WHO 2). 22 patients included (14M; 8F); mean age at time of first operation 37.7±2.7 years. 20 patients had a Performance Status (PS) 0–1 and 2 patients had a PS 2.MethodsAll patients with LGG diagnosed in between 2009–2018 were retrospectively evaluated. Variables of interest included demographics, staging, performance status, time to re-operation (TTR), extent of resection, molecular genetics (1p19q co-deletion, IDH status). Tumour volumes were estimated from MRI images by the validated ABC/2 equation. Statistical analyses were performed by Stata13.0.ResultsThe tumour progressed in WHO grade in 18 patients (WHO grade 3 (n=15); WHO grade 4 (n=3). Mean time to re-operation after the first surgery was 7.0±1.2 years following gross total resection (GTR) and 3.2±0.7 years following subtotal resection (STR). Non-adjusted analysis of risk factors for time to re-operation (TTR) showed absence of 1p19q co-deletion as a risk factor (p=0.021). Adjusted analysis revealed that GTR, 1p19q mutation, PS 0 at 1 st surgery and tumour volumetric change decrease the risk for re-intervention (p<0.05). Chemo-radiotherapy was not associated with TTR.ConclusionsIn our cohort, TTR in LGG was influenced by the amount of initial resection, 1p19q deletion, PS and post-operative volumetric change.
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