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Singh K, Fleming J, Han C, Cui T, Johnson B, McElroy J, Bell E, Robe P, Haque S, Chakravarti A. Targeting TRIBBLES1 (TRIB1) Pseudokinase in GBM: A New Therapeutic Strategy. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Singh K, Fleming J, Han C, Cui T, Johnson B, Haque J, Bell E, Robe P, Chakravarti A. OC-0450: TRIBBLES1 (TRIB1) pseudokinase: a potential therapeutic target in GBM. Radiother Oncol 2020. [DOI: 10.1016/s0167-8140(21)00472-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Munoz JL, Bishop Cnm E, Reider M, Radeva M, Hsich G, Singh K. Fetal myelomeningocele diagnosed in the antenatal period: Maternal-fetal characteristics and their relationship with pregnancy decision-making. J Neonatal Perinatal Med 2020; 12:399-403. [PMID: 31381533 DOI: 10.3233/npm-180208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Spina bifida is the most common fetal anomaly of the central nervous system, which affects approximately 1:1000 live births in the United States. Myelomeningocele (MMC) is the most common presentation of spina bifida, representing half of these cases. Given the deformation to the spinal cord and the nerve roots, this defect may result in significant morbidity to infants and major life-long disabilities. In this study we aimed to identify maternal and fetal characteristics associated with expectant management or termination of pregnancy in the setting of antenatally diagnosed MMC. We hypothesized that the level of the defect would correlate with patient's decision to continue the pregnancy. METHODS A retrospective cohort analysis was performed with patients who had presented to the Cleveland Clinic Fetal Care Center between 2005-2017. RESULTS Our data showed 36% of patients with antenatal diagnosis of MMC elected for second trimester terminations versus 64% who chose to continue their pregnancy and deliver either by cesarean section or vaginal delivery. Based on ultrasound findings, there were no significant differences between these two groups. Maternal body mass index was significantly higher in those who continued pregnancies (p = 0.036). In addition, the fetal diagnostic methods chosen by patients were significantly different. Those who elected to terminate were more likely to pursue amniocentesis (p = 0.03) and less likely to opt for MRI characterization of the fetus (p = 0.007). CONCLUSION We conclude, in the setting of fetal MMC diagnosed during pregnancy, patients often rely less on the associated ultrasonographic findings. Personal decisions likely influence the choice of other fetal diagnostic modalities. Other than BMI, we did not see an association between maternal factors and decisions regarding second trimester pregnancy termination.
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Affiliation(s)
- J L Munoz
- OB/GYN and Women's Health Institute, Cleveland Clinic, OH, USA
| | - E Bishop Cnm
- OB/GYN and Women's Health Institute, Cleveland Clinic, OH, USA
| | - M Reider
- OB/GYN and Women's Health Institute, Cleveland Clinic, OH, USA
| | - M Radeva
- Department of Quantitative Health Sciences, Cleveland Clinic, OH, USA
| | - G Hsich
- Department of Pediatric Neurology, Cleveland Clinic, Cleveland, OH, USA
| | - K Singh
- OB/GYN and Women's Health Institute, Cleveland Clinic, OH, USA
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Cummings D, Kershaw S, Ong J, Reid F, Toellner H, Alwandi A, Amer M, George D, Haynes K, Hughes K, Peakall L, Premakumar Y, Punjabi N, Ramwell A, Sawkins H, Ashwood J, Baker A, Baron C, Bhide I, Blake E, De Cates C, Esmail R, Hosamuddin H, Kapp J, Nguru N, Raja M, Thomson F, Ahmed H, Aishwarya G, Al-Huneidi R, Ali S, Aziz R, Burke D, Clarke B, Kausar A, Maskill D, Mecia L, Myers L, Smith ACD, Walker G, Wroe N, Donohoe C, Gibbons D, Jordan P, Keogh C, Kiely A, Lalor P, McCrohan M, Powell C, Foley MP, Reynolds J, Silke E, Thorpe O, Kong JTH, White C, Ali Q, Dalrymple J, Ge Y, Khan H, Luo RS, Paine H, Paraskeva B, Parker L, Pillai K, Salciccioli J, Selvadurai S, Sonagara V, Springford LR, Tan L, Appleton S, Leadholm N, Zhang Y, Ahern D, Cotter M, Cremen S, Durrigan T, Flack V, Hrvacic N, Jones H, Jong B, Keane K, O'Connell PR, O'sullivan J, Pek G, Shirazi S, Barker C, Brown A, Carr W, Chen Y, Guillotte C, Harte J, Kokayi A, Lau K, McFarlane S, Morrison S, Broad J, Kenefick N, Makanji D, Printz V, Saito R, Thomas O, Breen H, Kirk S, Kong CH, O'Kane A, Eddama M, Engledow A, Freeman SK, Frost A, Goh C, Lee G, Poonawala R, Suri A, Taribagil P, Brown H, Christie S, Dean S, Gravell R, Haywood E, Holt F, Pilsworth E, Rabiu R, Roscoe HW, Shergill S, Sriram A, Sureshkumar A, Tan LC, Tanna A, Vakharia A, Bhullar S, Brannick S, Dunne E, Frere M, Kerin M, Kumar KM, Pratumsuwan T, Quek R, Salman M, Van Den Berg N, Wong C, Ahluwalia J, Bagga R, Borg CM, Calabria C, Draper A, Farwana M, Joyce H, Khan A, Mazza M, Pankin G, Sait MS, Sandhu N, Virani N, Wong J, Woodhams K, Croghan N, Ghag S, Hogg G, Ismail O, John N, Nadeem K, Naqi M, Noe SM, Sharma A, Tan S, Begum F, Best R, Collishaw A, Glasbey J, Golding D, Gwilym B, Harrison P, Jackman T, Lewis N, Luk YL, Porter T, Potluri S, Stechman M, Tate S, Thomas D, Walford B, Auld F, Bleakley A, Johnston S, Jones C, Khaw J, Milne S, O'Neill S, Singh KKR, Smith R, Swan A, Thorley N, Yalamarthi S, Yin ZD, Ali A, Balian V, Bana R, Clark K, Livesey C, McLachlan G, Mohammad M, Pranesh N, Richards C, Ross F, Sajid M, Brooke M, Francombe J, Gresly J, Hutchinson S, Kerrigan K, Matthews E, Nur S, Parsons L, Sandhu A, Vyas M, White F, Zulkifli A, Zuzarte L, Al-Mousawi A, Arya J, Azam S, Yahaya AA, Gill K, Hallan R, Hathaway C, Leptidis I, McDonagh L, Mitrasinovic S, Mushtaq N, Pang N, Peiris GB, Rinkoff S, Chan L, Christopher E, Farhan-Alanie MMH, Gonzalez-Ciscar A, Graham CJ, Lim H, McLean KA, Paterson HM, Rogers A, Roy C, Rutherford D, Smith F, Zubikarai G, Al-Khudairi R, Bamford M, Chang M, Cheng J, Hedley C, Joseph R, Mitchell B, Perera S, Rothwell L, Siddiqui A, Smith J, Taylor K, Wright OW, Baryan HK, Boyd G, Conchie H, Cox L, Davies J, Gardner S, Hill N, Krishna K, Lakin F, Scotcher S, Alberts J, Asad M, Barraclough J, Campbell A, Marshall D, Wakeford W, Cronbach P, D'Souza F, Gammeri E, Houlton J, Hall M, Kethees A, Patel R, Perera M, Prowle J, Shaid M, Webb E, Beattie S, Chadwick M, El-Taji O, Haddad S, Mann M, Patel M, Popat K, Rimmer L, Riyat H, Smith H, Anandarajah C, Cipparrone M, Desai K, Gao C, Goh ET, Howlader M, Jeffreys N, Karmarkar A, Mathew G, Mukhtar H, Ozcan E, Renukanthan A, Sarens N, Sinha C, Woolley A, Bogle R, Komolafe O, Loo F, Waugh D, Zeng R, Crewe A, Mathias J, Mills A, Owen A, Prior A, Saunders I, Baker A, Crilly L, McKeon J, Ubhi HK, Adeogun A, Carr R, Davison C, Devalia S, Hayat A, Karsan RB, Osborne C, Scott K, Weegenaar C, Wijeyaratne M, Babatunde F, Barnor-Ahiaku E, Beattie G, Chitsabesan P, Dixon O, Hall N, Ilenkovan N, Mackrell T, Nithianandasivam N, Orr J, Palazzo F, Saad M, Sandland-Taylor L, Sherlock J, Ashdown T, Chandler S, Garsaa T, Lloyd J, Loh SY, Ng S, Perkins C, Powell-Chandler A, Smith F, Underhill R. Perioperative intravenous contrast administration and the incidence of acute kidney injury after major gastrointestinal surgery: prospective, multicentre cohort study. Br J Surg 2020; 107:1023-1032. [PMID: 32026470 DOI: 10.1002/bjs.11453] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 09/21/2019] [Accepted: 11/08/2019] [Indexed: 01/14/2023]
Abstract
BACKGROUND This study aimed to determine the impact of preoperative exposure to intravenous contrast for CT and the risk of developing postoperative acute kidney injury (AKI) in patients undergoing major gastrointestinal surgery. METHODS This prospective, multicentre cohort study included adults undergoing gastrointestinal resection, stoma reversal or liver resection. Both elective and emergency procedures were included. Preoperative exposure to intravenous contrast was defined as exposure to contrast administered for the purposes of CT up to 7 days before surgery. The primary endpoint was the rate of AKI within 7 days. Propensity score-matched models were adjusted for patient, disease and operative variables. In a sensitivity analysis, a propensity score-matched model explored the association between preoperative exposure to contrast and AKI in the first 48 h after surgery. RESULTS A total of 5378 patients were included across 173 centres. Overall, 1249 patients (23·2 per cent) received intravenous contrast. The overall rate of AKI within 7 days of surgery was 13·4 per cent (718 of 5378). In the propensity score-matched model, preoperative exposure to contrast was not associated with AKI within 7 days (odds ratio (OR) 0·95, 95 per cent c.i. 0·73 to 1·21; P = 0·669). The sensitivity analysis showed no association between preoperative contrast administration and AKI within 48 h after operation (OR 1·09, 0·84 to 1·41; P = 0·498). CONCLUSION There was no association between preoperative intravenous contrast administered for CT up to 7 days before surgery and postoperative AKI. Risk of contrast-induced nephropathy should not be used as a reason to avoid contrast-enhanced CT.
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Affiliation(s)
- A Bhagat
- Department of Ophthalmology, Government Medical College, Amritsar, Punjab 143001, India
| | - K Singla
- Department of Ophthalmology, Government Medical College, Amritsar, Punjab 143001, India
| | - K Singh
- Department of Ophthalmology, Government Medical College, Amritsar, Punjab 143001, India
| | - P Heer
- Department of Ophthalmology, Government Medical College, Amritsar, Punjab 143001, India
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Gangadharan Nair H, Rai MK, Singh M, Anuja A, Singh K, Mohindra N, Jain N, Kumar S, Agarwal V, Misra D. SAT0319 SUBCLINICAL ATHEROSCLEROSIS IN INDIAN PATIENTS WITH SCLERODERMA – CLINICAL AND SEROLOGICAL ASSOCIATIONS. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Scleroderma has been associated with increased risk of cardiovascular events, however,studies on this from India are sparse.We evaluated clinical and serological factors associated with subclinical atherosclerosis in Indian patients with scleroderma, in a cross-sectional design.Objectives:To compare carotid intima-medial thickness (CIMT, mean value of both carotids) as a measure of subclinical atherosclerosis (SCA) between patients with scleroderma (n=61) fulfilling 2013 ACR/EULAR criteria, and healthy controls (n=41).- To compare clinical (body mass index – BMI, waist-hip ratio – WHR, fasting lipid profile) and serological factors (microparticles, endothelial microparticles, inflammatory cytokines associated with increased cardiovascular risk) between patients with scleroderma and healthy controls.- To identify factors associated with SCA in scleroderma patients.Methods:Subclinical atherosclerosis(SCA) was defined by presence of carotid plaques, or increased CIMT >2 standard deviations compared with Indian reference standards for age and sex. Total microparticles (TMP) were measured of plasma after ultracentrifugation as per previously described protocol using microbeads of 3 μm size (TMP were of size 0.1-1 μm); of these, microparticles positive for CD31 and CD142 were endothelial microparticles (EMP). Serum cytokines (IL-1, IL-6, TNF-α, IL-17) were measured by ELISA using manufacturer instructions. Linear regression was used to identify the determinants of CIMT in scleroderma. Binomial logistic regression was used to identify factors associated with subclinical athersclerosis in scleroderma.VariablePatients with scleroderma (n=61)Healthy controls (n=41)p valueAge37.8 ± 11.9235.37 ± 6.690.2375Gender (M:F)11:506:350.6516Diabetes/Hypertension/Tobacco use1/2/00/0/0NSBody mass index (kg/m2)20.11 ± 3.8224.38 ± 4.45<0.0001Waist-hip ratio0.86 ± 0.110.89 ± 0.070.1251Total cholesterol (mg/dL)142.5 ± 30.7147.3 ± 39.50.4948Triglycerides (mg/dL)99.4 ± 37121.4 ± 460.0087HDL cholesterol (mg/dL)46.9 ± 4.946.1 ± 4.20.4029LDL cholesterol (mg/dL)93.6 ± 10.593.3 ± 7.50.8520VLDL cholesterol (mg/dL)19.9 ± 7.424.7 ± 9.70.0057Carotid intima-medial thickness (mm)0.68 ± 0.100.53 ± 0.03<0.0001Total microparticles (per±L)12913 ± 24936272 ± 1533<0.0001Endothelial microparticles (per±L)2623 ± 1032829 ± 439.5<0.0001Serum IL-1±(pg/mL)38.19 ± 13.4631.38 ± 18.290.0326IL-6 (pg/mL)176.6 ± 85.74128.9 ± 53.610.0020IL-17 (pg/mL)56.3 ± 20.4553.89 ± 20.510.5611TNF±(pg/mL)49.65 ± 26.7142.09 ± 30.410.1879Results:Despite lower BMI, triglycerides and VLDL cholesterol, CIMT was significantly higher in patients with scleroderma. Patients with scleroderma had significantly higher total microparticles and endothelial microparticles in plasma, and serum IL-1± and IL-6 (Table 1). On multivariable regression, age was the only significant determinant of CIMT. 28 (45.9%) patients had SCA; 13 (21.3%) had carotid plaques. Patients with SCA had higher proportion of males (9/28 in those with SCA vs 2/33 in those without SCA). Binomial logistic regression did not identify any other significant predictors of SCA.Table 1Comparison between patients with scleroderma and healthy controlsSerum IL-1± (pg/mL)38.19 ± 13.4631.38 ± 18.290.0326IL-6 (pg/mL)176.6 ± 85.74128.9 ± 53.610.0020IL-17 (pg/mL)56.3 ± 20.4553.89 ± 20.510.5611TNF± (pg/mL)49.65 ± 26.7142.09 ± 30.410.1879Conclusion:Patients with scleroderma had significant burden of subclinical atherosclerosis, which could not be explained by traditional or novel cardiovascular risk factors.References:[1]Psarras A, Soulaidopoulos S, Garyfallos A, Kitas G, Dimitroulas T. A critical view on cardiovascular risk in systemic sclerosis. Rheumatol Int. 2017 Jan; 37(1):85-95.[2]Jung C, Drummer K, Oelzner P, Figulla HR, Boettcher J, Franz M, et al. The association between endothelial microparticles and inflammation in patients with systemic sclerosis and Raynaud’s phenomenon as detected by functional imaging. Clin HemorheolMicrocirc. 2015; 61(3):549-557.Acknowledgments:Supported by IRA(Indian Rheumatology Association) Research Grant to DP Misra.Disclosure of Interests:None declared
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Abstract
Plant genetic resources (PGR) are the foundation of agriculture as well as food and nutritional security.
The ICAR-NBPGR is the nodal institution at national level for management of PGR in India under the umbrella
of Indian Council of Agricultural Research (ICAR), New Delhi. India being one of the gene-rich countries faces a
unique challenge of protecting its natural heritage while evolving mutually beneficial strategies for germplasm
exchange with other countries. The Bureaus activities include PGR exploration, collection, exchange, characterization,
evaluation, conservation and documentation. It also has the responsibility to carry out quarantine of
all imported PGR including transgenics meant for research purposes. The multifarious activities are carried out
from ICAR-NBPGR headquarters and its 10 regional stations located in different agro-climatic zones of India. It
has linkages with international organizations of the Consultative Group on International Agricultural Research
(CGIAR) and national crop-based institutes to accomplish its mandated activities. NBPGR collects and acquires
germplasm from various sources, conserves it in the Genebank, characterizes and evaluates it for different traits
and provides ready material for breeders to develop varieties for farmers. ICAR-NBPGR encompasses the National
Genebank Network and at present, the National Genebank conserves more than 0.40 million accessions. NBPGR
works in service-mode for effective utilization of PGR in crop improvement programmes which depends mainly
on its systematic characterization and evaluation, and identification of potentially useful germplasm. NBPGR is
responsible for identifying trait-specific pre-adapted climate resilient genotypes, promising material with disease
resistance and quality traits which the breeders use for various crop improvement programmes. The system has
contributed immensely towards safeguarding the indigenous and introducing useful exotic PGR for enhancing
the agricultural production. Presently, our focus is on characterization of ex situ conserved germplasm and
detailed evaluation of prioritized crops for enhanced utilization; assessment of impact of on-farm conservation
practices on genetic diversity; genome-wide association mapping for identification of novel genes and alleles for
enhanced utilization of PGR; identification and deployment of germplasm/landraces using climate analog data;
validation of trait-specific introduced germplasm for enhanced utilization.
Key words: plant genetic resources; gene banks; wild relatives; biotic and abiotic stresses; marker-assisted
selection.
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Affiliation(s)
- K Singh
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | - K Gupta
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | - V Tyagi
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | - S Rajkumar
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
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Agbor-Enoh S, Jang M, Singh K, Tunc I, Pirooznia M, Seifuddin F, Ponor I, Levine D, Cochrane A, Philogene M, Mathews J, Shah P, Luikart H, Khush K, Marboe C, Berry G, Valantine H. Early and Late Pulmonary AMR Show Distinct Profiles; Clinical and Epigenetic Analyses. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.1300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Obasa AE, Mikasi SG, Brado D, Cloete R, Singh K, Neogi U, Jacobs GB. Drug Resistance Mutations Against Protease, Reverse Transcriptase and Integrase Inhibitors in People Living With HIV-1 Receiving Boosted Protease Inhibitors in South Africa. Front Microbiol 2020; 11:438. [PMID: 32265875 PMCID: PMC7099763 DOI: 10.3389/fmicb.2020.00438] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 03/02/2020] [Indexed: 12/17/2022] Open
Abstract
The South African national combination antiretroviral therapy (cART) roll-out program started in 2006, with over 4.4 million people accessing treatment since it was first introduced. HIV-1 drug resistance can hamper the success of cART. This study determined the patterns of HIV-1 drug-resistance associated mutations (RAMs) in People Living with HIV-1 (PLHIV-1). Receiving first (for children below 3 years of age) and second-line (for adults) cART regimens in South Africa. During 2017 and 2018, 110 patients plasma samples were selected, 96 samples including those of 17 children and infants were successfully analyzed. All patients were receiving a boosted protease inhibitor (bPI) as part of their cART regimen. The viral sequences were analyzed for RAMs through genotypic resistance testing. We performed genotypic resistance testing (GRT) for Protease inhibitors (PIs), Reverse transcriptase inhibitors (RTIs) and Integrase strand transfer inhibitors (InSTIs). Viral sequences were subtyped using REGAv3 and COMET. Based on the PR/RT sequences, HIV-1 subtypes were classified as 95 (99%) HIV-1 subtype C (HIV-1C) while one sample as 02_AG. Integrase sequencing was successful for 89 sequences, and all the sequences were classified as HIV-1C (99%, 88/89) except one sequence classified CRF02_AG, as observed in PR/RT. Of the 96 PR/RT sequences analyzed, M184V/I (52/96; 54%) had the most frequent RAM nucleoside reverse transcriptase inhibitor (NRTI). The most frequent non-nucleoside reverse transcriptase inhibitor (NNRTI) RAM was K103N/S (40/96, 42%). Protease inhibitor (PI) RAMs M46I and V82A were present in 12 (13%) of the sequences analyzed. Among the InSTI major RAM two (2.2%) sequences have Y143R and T97A mutations while one sample had T66I. The accessory RAM E157Q was identified in two (2.2%). The data indicates that the majority of the patients failed on bPIs didn't have any mutation; therefore adherence could be major issue in these groups of individuals. We propose continued viral load monitoring for better management of infected PLHIV.
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Affiliation(s)
- Adetayo Emmanuel Obasa
- Division of Medical Virology, Department of Pathology, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
- Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institute, Stockholm University, Stockholm, Sweden
| | - Sello Given Mikasi
- Division of Medical Virology, Department of Pathology, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Dominik Brado
- Division of Virology, Institute for Virology and Immunobiology, Faculty of Medicine, University of Würzburg, Würzburg, Germany
| | - Ruben Cloete
- South African Medical Research Council Bioinformatics Unit, South African National Bioinformatics Institute, University of the Western Cape, Bellville, South Africa
| | - Kamlendra Singh
- Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institute, Stockholm University, Stockholm, Sweden
- Department of Molecular Microbiology and Immunology, University of Missouri, Columbia, MO, United States
- Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, United States
| | - Ujjwal Neogi
- Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institute, Stockholm University, Stockholm, Sweden
| | - Graeme Brendon Jacobs
- Division of Medical Virology, Department of Pathology, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
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Kukreti H, Li FC, Singh K, Sodhi R, Kishen A. Efficacy of bioactive nanoparticles on tissue-endotoxin induced suppression of stem cell viability, migration and differentiation. Int Endod J 2020; 53:859-870. [PMID: 32068891 DOI: 10.1111/iej.13283] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 02/15/2020] [Accepted: 02/17/2020] [Indexed: 12/22/2022]
Abstract
AIM To characterize a lipopolysaccharide (LPS)-treated dentine tissue model (LPS dentine) to analyse the efficacy of polycationic chitosan nanoparticles (CSnp) and/or dexamethasone conjugate chitosan nanoparticles (Dex-CSnp) on the viability/differentiation potential of stem cells from apical papilla (SCAP) when exposed to LPS dentine. A further aim was to understand the effect of macrophage-dependent inflammation on SCAP migration in the presence of LPS dentine. METHODOLOGY A total of 88 dentine slabs were used. TOF-SIMS analysis was performed amongst the LPS-treated and untreated dentine groups (n = 2/group). The study was conducted using four dentine groups: no treatment (control); LPS treatment only; LPS treatment followed by CSnp conditioning; and LPS treatment followed by Dex-CSnp conditioning groups. SCAP adherence, viability, differentiation and biomineralization potential on dentine from different groups were studied using fluorescent and scanning electron microscopy. Inflammation by macrophages in response to LPS dentine was quantified, and effect on SCAP migration was analysed. Statistical analysis was performed using Student's t-test with a significance level of P < 0.05. RESULT TOF-SIMS analysis confirmed LPS contamination. LPS dentine affected SCAP viability but not adherence to dentine (P < 0.001). Conditioning of LPS dentine with either nanoparticles improved SCAP viability (P < 0.01) and rescued other LPS related adverse effects on SCAPs, such as F-actin disruption, decrease in differentiation/biomineralization potential. IL-6 produced by macrophages in response to LPS-treated dentine impeded SCAP migration (P < 0.001), diminished on CSnp and Dex-CSnp conditioning groups (P < 0.01). CONCLUSION This study developed an LPS-dentine model and highlighted the ability of CSnp and Dex-CSnp to promote stem cell viability, migration, differentiation potential and reduce inflammation, providing an environment conducive for tissue regeneration/repair.
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Affiliation(s)
- H Kukreti
- Faculty of Dentistry, Dental Research Institute, University of Toronto, Toronto, Ontario, Canada
| | - F-C Li
- Faculty of Dentistry, Dental Research Institute, University of Toronto, Toronto, Ontario, Canada
| | - K Singh
- Faculty of Dentistry, Dental Research Institute, University of Toronto, Toronto, Ontario, Canada
| | - R Sodhi
- Ontario Centre for the Characterization of Advanced Materials (OCCAM), Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario, Canada
| | - A Kishen
- Faculty of Dentistry, Dental Research Institute, University of Toronto, Toronto, Ontario, Canada
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Khan S, Singh K. Structural, optical, thermal and conducting properties of V 2-xLi xO 5-δ (0.15 ≤ x ≤ 0.30) systems. Sci Rep 2020; 10:1089. [PMID: 31974466 PMCID: PMC6978346 DOI: 10.1038/s41598-020-57836-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 11/15/2019] [Indexed: 12/04/2022] Open
Abstract
Lithium-doped vanadates (V2−xLixO5−δ (0.15 ≤ x ≤ 0.30)) are synthesized by melt-quench method. The physical, structural, optical, thermal and conducting properties of as-quenched samples are investigated using various experimental techniques to study their suitability for electrolyte in battery/solid oxide fuel cell application. X-ray diffraction (XRD) patterns confirm the formation of three different crystalline phases. FTIR and Raman spectra indicate that the doping of Li2O into V2O5 leads to a transition from VO5 into VO4 structural unit. The optical diffused reflectance spectra revealed that the optical band gap (Eg) decreases from 2.2 to 2.08 eV while Urbach energy (EU) increases (0.31–0.41 eV) with the addition of Li2O content in place of vanadium. The thermal stability is studied by thermogravimetric analyser (TGA). The DC conductivity of the present samples is increased from 0.08 to 0.12 Scm−1 at 450 °C with Li2O doping. These materials can be used as electrolyte for battery/solid oxide fuel cell due to their good conductivity (~0.12 Scm−1) at 450 °C.
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Affiliation(s)
- Savidh Khan
- School of Physics and Materials Science, Thapar Institute of Engineering & Technology, Patiala, 147004, India
| | - K Singh
- School of Physics and Materials Science, Thapar Institute of Engineering & Technology, Patiala, 147004, India.
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Mridha N, Millhouse J, Oldfield K, Adams C, Hughes I, Singh K. 891 Systematic Review and Meta-Analysis of Spontaneous Coronary Artery Dissection Recurrence. Heart Lung Circ 2020. [DOI: 10.1016/j.hlc.2020.09.898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Adams C, Singh K. 496 Geographical Variation in the Statin Trials: Does It Exist? Heart Lung Circ 2020. [DOI: 10.1016/j.hlc.2020.09.503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Tran E, Campbell S, Singh K, Forster J, Veraiahgari R, Harrison P, Scott L, Turner N, Sun J. 462 Comparing the Impact of Transradial and Transfemoral Coronary Angiography on the Radiation Dose, Contrast Volume and Fluoroscopy Time in Patients With Varying BMI. Heart Lung Circ 2020. [DOI: 10.1016/j.hlc.2020.09.469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Campbell S, Tran E, Forester J, Veraiahgari R, Harrison P, Scott L, Turner N, Sun J, Singh K. 793 Association of BMI and Radiation Exposure in Coronary Angiography. Heart Lung Circ 2020. [DOI: 10.1016/j.hlc.2020.09.800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Win K, Solayar R, Rajapakse S, Adams C, Singh K. 889 Stretching the Limits of Transcatheter Aortic Valve Replacement (TAVR): Emergency TAVR Deployment Using Leaflet Calcification for Neo-Annulus Construction in an Extremely Large Aortic Annulus. Heart Lung Circ 2020. [DOI: 10.1016/j.hlc.2020.09.896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Lowe J, Singh K, Sukhraj K, Rambaran P, Lebovic G, Ostrow B. Introduction of a national program for HbA1c testing in Guyana South America and initial results. Diabetes Res Clin Pract 2019; 158:107929. [PMID: 31738996 DOI: 10.1016/j.diabres.2019.107929] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2019] [Revised: 10/08/2019] [Accepted: 11/13/2019] [Indexed: 11/15/2022]
Abstract
Diabetes is an increasing challenge for low- and middle-income countries (LMIC) and access to HbA1c testing is limited. HbA1c, a measure of glycaemic control averaged over 3 months, provides both clinicians and policymakers with a tool to identify the risk of long-term diabetes comorbidity. We describe the steps used to implement standardised testing in Guyana South America and the initial results according to a locally developed protocol as part of a country-wide project to improve the care of people with all forms of diabetes The steps identified include: a standardised method traceable to a recognized international reference standard, participation in a quality control cycle with an international reference laboratory, a clinical pathway for testing to reduce inappropriate use and minimize resource wastage, training of technicians in operation and maintenance of equipment, identification of a suitable space with constant power supply, a reliable procurement system, education of healthcare professionals on interpretation and follow-up of results and feedback of programme results to improve clinical practice. Some steps for implementation of the national HbA1c testing program were initiated better than others. Initial unreliability of the service undermined confidence in the system. Failure to follow the testing protocol led to some patients being tested too soon and others too late. Cost of reagents was about 5.60 USD/test. We trained 340 people in diabetes care and knowledge was improved but were unable to assess whether it was appropriately applied. Over one third of people tested in the 30-70 age group had an HbA1c over 9% (75 mmol/mol) and this did not improve over the 5 years of testing. Despite the difficulties we think our unique experience of implementation of a nationwide HbA1c testing programme has important lessons for other LMICs.
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Affiliation(s)
- J Lowe
- Division of Endocrinology, Sunnybrook Health Sciences Centre, University of Toronto, 2075 Bayview Ave, ON M4N 3M5, Canada.
| | - K Singh
- Chronic Disease Unit, Ministry of Public Health, 1 Brickdam Rd, Georgetown, Guyana.
| | - K Sukhraj
- Diabetic Foot Clinic, Georgetown Public Hospital Corporation, 258-259 Middle & Thomas Street, Georgetown, Guyana
| | - P Rambaran
- Laboratory Services, Georgetown Public Hospital Corporation, 258-259 Middle & Thomas Street, Georgetown, Guyana
| | - G Lebovic
- Applied Health Research Centre, The HUB, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Institute for Health Policy Management and Evaluation, University of Toronto, 30 Bond St, Toronto, ON M5B 1W8, Canada.
| | - B Ostrow
- Department of Surgery, University of Toronto, Stewart Building, 149 College Street, 5th Floor, Toronto, ON M5T 1P5, Canada
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Singh K, Singh SP, Kaur G, Bose K. Association of body mass index and upper arm body composition with depressive symptoms in old age home and family based elderly. Homo 2019; 70:155-162. [PMID: 31486826 DOI: 10.1127/homo/2019/1054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 04/19/2019] [Accepted: 04/24/2019] [Indexed: 11/05/2022]
Abstract
The following study was designed to find out the association of the mid-upper arm body composition and body mass index (BMI) with depressive symptoms among the old age home based (group 1) and family based elderly (group 2) subjects. In group 1 elderly males, 51.5% were showing mild depressive symptoms and 17% were showing moderate to severe depressive symptoms. On the other hand, among group 2 elderly males, prevalence of mild depressive symptoms was in 27% and moderate to severe depressive symptoms was in 4.5% of the subjects. Among elderly with and without depressive symptoms, BMI, waist-hip ratio (WHR), arm muscle circumference (AMC), arm muscle area (AMA), arm fat area (AFA), fat mass (FM), muscle mass and bone mass were significantly (p < 0.01) lesser among group 1 as compared to group 2. Among group 1, the AFA (R2 change = 0.178), AMC (R2 change = 0.035), AMA (R2 change = 0.032), FM (R2 change = 0.022) and muscle mass (R2 change = 0.019) have highest contribution to the variance of depressive symptoms. On the other hand, BMI (R2 change = 0.04) and WHR (R2 change = 0.03) had the highest, though small, contribution to the variance of depressive symptoms among group 2. The upper arm body composition indices were better indicator of depressive symptoms in group 1, and BMI and WHR were better indicators of depressive symptoms in group 2. Therefore, among group 1 subjects, the upper arm body composition indices prove to be better regular health monitoring indices as compared to traditionally used BMI and WHR.
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Affiliation(s)
- K Singh
- Department of Human Genetics, Punjabi University, Patiala- 147002, Punjab, India
| | - S P Singh
- Department of Human Genetics, Punjabi University, Patiala- 147002, Punjab, India
| | - Ginjinder Kaur
- Department of Human Genetics, Punjabi University, Patiala- 147002, Punjab, India
| | - Kaushik Bose
- Department of Anthropology, Vidyasagar University, Midnapore - 721102, West Bengal, India
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Poudel AN, Holtsclaw RE, Kimberlin A, Sen S, Zeng S, Joshi T, Lei Z, Sumner LW, Singh K, Matsuura H, Koo AJ. 12-Hydroxy-Jasmonoyl-l-Isoleucine Is an Active Jasmonate That Signals through CORONATINE INSENSITIVE 1 and Contributes to the Wound Response in Arabidopsis. Plant Cell Physiol 2019; 60:2152-2166. [PMID: 31150089 DOI: 10.1093/pcp/pcz109] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 05/21/2019] [Indexed: 06/09/2023]
Abstract
12-hydroxy-jasmonoyl-isoleucine (12OH-JA-Ile) is a metabolite in the catabolic pathway of the plant hormone jasmonate, and is synthesized by the cytochrome P450 subclade 94 enzymes. Contrary to the well-established function of jasmonoyl-isoleucine (JA-Ile) as the endogenous bioactive form of jasmonate, the function of 12OH-JA-Ile is unclear. Here, the potential role of 12OH-JA-Ile in jasmonate signaling and wound response was investigated. Exogenous application of 12OH-JA-Ile mimicked several JA-Ile effects including marker gene expression, anthocyanin accumulation and trichome induction in Arabidopsis thaliana. Genome-wide transcriptomics and untargeted metabolite analyses showed large overlaps between those affected by 12OH-JA-Ile and JA-Ile. 12OH-JA-Ile signaling was blocked by mutation in CORONATINE INSENSITIVE 1. Increased anthocyanin accumulation by 12OH-JA-Ile was additionally observed in tomato and sorghum, and was disrupted by the COI1 defect in tomato jai1 mutant. In silico ligand docking predicted that 12OH-JA-Ile can maintain many of the key interactions with COI1-JAZ1 residues identified earlier by crystal structure studies using JA-Ile as ligand. Genetic alternation of jasmonate metabolic pathways in Arabidopsis to deplete both JA-Ile and 12OH-JA-Ile displayed enhanced jasmonate deficient wound phenotypes and was more susceptible to insect herbivory than that depleted in only JA-Ile. Conversely, mutants overaccumulating 12OH-JA-Ile showed intensified wound responses compared with wild type with similar JA-Ile content. These data are indicative of 12OH-JA-Ile functioning as an active jasmonate signal and contributing to wound and defense response in higher plants.
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Affiliation(s)
- Arati N Poudel
- Department of Biochemistry, University of Missouri, Columbia, MO, USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, USA
- Christopher S. Bond Life Science Center, University of Missouri, Columbia, MO, USA
- Department of Plant Sciences, University of Missouri, Columbia, MO, USA
| | - Rebekah E Holtsclaw
- Department of Biochemistry, University of Missouri, Columbia, MO, USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, USA
| | - Athen Kimberlin
- Department of Biochemistry, University of Missouri, Columbia, MO, USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, USA
| | - Sidharth Sen
- Informatics Institute, University of Missouri, Columbia, MO, USA
| | - Shuai Zeng
- Christopher S. Bond Life Science Center, University of Missouri, Columbia, MO, USA
- Department of Electrical Engineering and Computer Science, University of Missouri, Columbia, MO, USA
| | - Trupti Joshi
- Christopher S. Bond Life Science Center, University of Missouri, Columbia, MO, USA
- Informatics Institute, University of Missouri, Columbia, MO, USA
- Health Management and Informatics, University of Missouri, Columbia, MO, USA
| | - Zhentian Lei
- Department of Biochemistry, University of Missouri, Columbia, MO, USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, USA
- Christopher S. Bond Life Science Center, University of Missouri, Columbia, MO, USA
- MU Metabolomics Core, University of Missouri, Columbia, MO, MO, USA
| | - Lloyd W Sumner
- Department of Biochemistry, University of Missouri, Columbia, MO, USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, USA
- Christopher S. Bond Life Science Center, University of Missouri, Columbia, MO, USA
- MU Metabolomics Core, University of Missouri, Columbia, MO, MO, USA
| | - Kamlendra Singh
- Christopher S. Bond Life Science Center, University of Missouri, Columbia, MO, USA
- Department of Electrical Engineering and Computer Science, University of Missouri, Columbia, MO, USA
| | - Hideyuki Matsuura
- Division of Fundamental Agriscience Research, Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan
| | - Abraham J Koo
- Department of Biochemistry, University of Missouri, Columbia, MO, USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, USA
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Singh K, Madarati H, Sparring T, Kretz C. P11. Abstract Title: Investigating the resistance of ADAMTS13 towards Alpha 2-Macroglobulin. Thromb Res 2019. [DOI: 10.1016/j.thromres.2019.09.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Sparring T, Kretz C, Singh K, Madarati H. P13. Abstract Title: Deep Mutational Scan of VWF to Define Mutations that Enhance or Impair Secretion. Thromb Res 2019. [DOI: 10.1016/j.thromres.2019.09.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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72
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Kaur M, Singh K. Review on titanium and titanium based alloys as biomaterials for orthopaedic applications. Mater Sci Eng C Mater Biol Appl 2019; 102:844-862. [PMID: 31147056 DOI: 10.1016/j.msec.2019.04.064] [Citation(s) in RCA: 356] [Impact Index Per Article: 71.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 02/20/2019] [Accepted: 04/20/2019] [Indexed: 02/07/2023]
Abstract
Variety of implant materials have been employed in various disciplines of medical science depending on the requirement of a particular application. Metals, alloys, ceramics, and polymers are the commonly used biomaterials. The main focus of this study is to review the various structural and microstructural properties of titanium and titanium based alloys used as orthopaedic implants. Orthopaedic implants need to possess certain important qualities to ensure their safe and effective use. These properties like the biocompatibility, relevant mechanical properties, high corrosion and wear resistance and osseointegration are summarized in this review. Various attempts to improve upon these properties like different processing routes, surface modifications have also been inculcated in the paper to provide an insight into the extent of research and effort that has been put into developing a highly superior titanium orthopaedic implant.
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Affiliation(s)
- Manmeet Kaur
- School of Physics and Materials Science, Thapar Institute of Engineering and Technology, Patiala, Punjab 147004, India
| | - K Singh
- School of Physics and Materials Science, Thapar Institute of Engineering and Technology, Patiala, Punjab 147004, India.
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73
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Reed W, Klima S, Shahan M, Ross G, Singh K, Cross R, Grounds T. A field study of a roof bolter canopy air curtain (2nd generation) for respirable coal mine dust control. Int J Min Sci Technol 2019; 29:711-720. [PMID: 31850153 PMCID: PMC6917209 DOI: 10.1016/j.ijmst.2019.02.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
A 2nd generation roof bolter canopy air curtain (CAC) design was tested by National Institute for Occupational Safety and Health (NIOSH) at a Midwestern underground coal mine. During the study, the roof bolter never operated downwind of the continuous miner. Using a combination of personal Data Rams (pDR) and gravimetric samplers, the dust control efficiency of the roof bolter CAC was ascertained. Performance evaluation was determined using three methods: (1) comparing roof bolter operator concentrations underneath the CAC to roof bolter concentrations outside the CAC, (2) comparing roof bolter operator concentrations underneath the CAC to the concentrations at the rear of the bolter, and finally, (3) using the gravimetric data directly underneath the CAC to correct roof bolter operator concentrations underneath the CAC and comparing them to the concentrations at the rear of the bolter. Method 1 dust control efficiencies ranged from -53.9% to 60.4%. Method 2 efficiencies ranged from -150.5% to 52.2%, and Method 3 efficiencies ranged from 40.7% to 91%. Reasons for negative and low dust control efficiencies are provided in this paper and include: incorrect sampling locations, large distance between CAC and operator, and contamination of intake air from line curtain. Low dust concentrations encountered during the testing made it difficult to discern whether differences in concentrations were due to the CAC or due to variances inherent in experimental dust measurement. However, the analyses, especially the Method 3 analysis, show that the CAC can be an effective dust control device.
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Affiliation(s)
- W.R. Reed
- CDC NIOSH, Pittsburgh Mining Research Division, Pittsburgh, PA 15236, USA
- Corresponding author. (W.R. Reed)
| | - S. Klima
- CDC NIOSH, Pittsburgh Mining Research Division, Pittsburgh, PA 15236, USA
| | - M. Shahan
- CDC NIOSH, Pittsburgh Mining Research Division, Pittsburgh, PA 15236, USA
| | | | - K. Singh
- Prairie State Generating Company LLC, Lively Grove, IL 62257, USA
| | - R. Cross
- Prairie State Generating Company LLC, Lively Grove, IL 62257, USA
| | - T. Grounds
- Prairie State Generating Company LLC, Lively Grove, IL 62257, USA
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Pandey R, Maity P, Singh K, Krug L, Schatz S, Wlaschek M, Scharffetter-Kochanek K. 367 Apremilast Switches Pro-Inflammatory M1 Macrophages to Anti-Inflammatory M2 Macrophages – Transcription Factors Beyond CREB. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.07.369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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75
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Reed WR, Shahan M, Ross G, Singh K, Cross R, Grounds T. Field investigation to measure airflow velocities of a ram dump car using circular routing at a Midwestern underground coal mine: a case study. Environ Monit Assess 2019; 191:515. [PMID: 31346812 PMCID: PMC6697381 DOI: 10.1007/s10661-019-7624-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 07/01/2019] [Indexed: 06/10/2023]
Abstract
Due to the successful application of roof bolter canopy air curtains (CACs) to protect roof bolter operators from high levels of coal mine respirable dust, a shuttle car CAC is currently being developed. Since a shuttle car consistently trams from the continuous miner to the feeder and back at a speed up to 9.66 kph (6 mph) or 2.68 m/s (528 fpm), it is thought that the shuttle car may encounter very high air velocities (mine ventilation air velocity + max shuttle speed (2.68 m/s (528 fpm)). Past research and preliminary lab testing showed that CAC protection in high interference air velocities is difficult to achieve. Therefore, testing was conducted at a Midwestern US coal mine to determine the air velocities their shuttle car actually encounters. This mine used ram dump cars as their shuttle cars. Results showed that coal mine dust exposure is generally very low at the feeder and when tramming. Elevated concentrations are encountered at the ram dump car operator position when the car is being loaded by the continuous miner. Recorded air velocities while tramming did not reach the max air velocity of mine ventilation air velocity + 2.68 m/s (528 fpm) calculated as 3.32 m/s (653 fpm). High velocities, while encountered, were of low frequency and associated with low respirable coal mine dust concentrations. Therefore, using this new information, designing the shuttle car CAC for maximum interference air velocity may not be as important as previously thought.
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Affiliation(s)
| | | | - G Ross
- J.H. Fletcher & Co., Huntington, WV, USA
| | - K Singh
- Prairie State Generating Company LLC, Lively Grove, IL, USA
| | - R Cross
- Prairie State Generating Company LLC, Lively Grove, IL, USA
| | - T Grounds
- Prairie State Generating Company LLC, Lively Grove, IL, USA
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77
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Maung T, Singh K. 1REGULAR MONITORING WITH STOOL CHART PREVENTS CONSTIPATION, URINARY RETENSION AND DELIRIUM IN ELDERLY PATIENTS: AN AUDIT LEADING TO CLINICAL EFFECTIVENESS, EFFICIENCY AND PATIENT CENTREDNESS. Age Ageing 2019. [DOI: 10.1093/ageing/afz055.01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- T Maung
- Dept of Elderly Care, Good Hope Hospital
| | - K Singh
- Dept of Elderly Care, Good Hope Hospital
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78
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Singh K, Arroyo J, Saxton E, Rawal D, Patibandla S. Performance evaluation of the ADVIA Centaur Zika Test. Clin Chim Acta 2019. [DOI: 10.1016/j.cca.2019.03.1135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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79
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Scatola A, Singh A, Singh K, Singh N, Meraj P. Effect of Time from Cardiogenic Shock to Initiation of Complete Cardiovascular Support on Survival: “Shock to Support Time”. J Heart Lung Transplant 2019. [DOI: 10.1016/j.healun.2019.01.425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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80
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Singh K, Martinell M, Luo Z, Espes D, Stålhammar J, Sandler S, Carlsson PO. Cellular immunological changes in patients with LADA are a mixture of those seen in patients with type 1 and type 2 diabetes. Clin Exp Immunol 2019; 197:64-73. [PMID: 30843600 PMCID: PMC6591143 DOI: 10.1111/cei.13289] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/01/2019] [Indexed: 12/19/2022] Open
Abstract
There is currently scarce knowledge of the immunological profile of patients with latent autoimmune diabetes mellitus in the adult (LADA) when compared with healthy controls (HC) and patients with classical type 1 diabetes (T1D) and type 2 diabetes (T2D). The objective of this study was to investigate the cellular immunological profile of LADA patients and compare to HC and patients with T1D and T2D. All patients and age‐matched HC were recruited from Uppsala County. Peripheral blood mononuclear cells were isolated from freshly collected blood to determine the proportions of immune cells by flow cytometry. Plasma concentrations of the cytokine interleukin (IL)‐35 were measured by enzyme‐linked immunosorbent assay (ELISA). The proportion of CD11c+CD123– antigen‐presenting cells (APCs) was lower, while the proportions of CD11c+CD123+ APCs and IL‐35+ tolerogenic APCs were higher in LADA patients than in T1D patients. The proportion of CD3–CD56highCD16+ natural killer (NK) cells was higher in LADA patients than in both HC and T2D patients. The frequency of IL‐35+ regulatory T cells and plasma IL‐35 concentrations in LADA patients were similar to those in T1D and T2D patients, but lower than in HC. The proportion of regulatory B cells in LADA patients was higher than in healthy controls, T1D and T2D patients, and the frequency of IL‐35+ regulatory B cells was higher than in T1D patients. LADA presents a mixed cellular immunological pattern with features overlapping with both T1D and T2D.
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Affiliation(s)
- K Singh
- Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden
| | - M Martinell
- Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden
| | - Z Luo
- Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden
| | - D Espes
- Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden.,Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - J Stålhammar
- Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden
| | - S Sandler
- Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden
| | - P-O Carlsson
- Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden.,Department of Medical Sciences, Uppsala University, Uppsala, Sweden
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Singh K, Al Khoury A, Kurti Z, Gonczi L, Reinglas J, Verdon C, Kohen R, Bessissow T, Afif W, Wild G, Seidman EG, Bitton A, Lakatos P. A134 HIGH ADHERENCE TO SURVEILLANCE GUIDELINES IN IBD RESULTS IN LOW CRC AND DYSPLASIA RATES, WHILE RATES OF DYSPLASIA AND CANCER ARE LOW BEFORE THE SUGGESTED START OF SURVEILLANCE. RESULTS FROM A TERTIARY IBD CENTER. J Can Assoc Gastroenterol 2019. [DOI: 10.1093/jcag/gwz006.133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- K Singh
- McGill University Health Center, Montreal, QC, Canada
| | - A Al Khoury
- McGill University Health Center, Montreal, QC, Canada
| | - Z Kurti
- Semmelweis University, Budapest, Hungary
| | - L Gonczi
- Semmelweis University, Budapest, Hungary
| | - J Reinglas
- McGill University Health Center, Montreal, QC, Canada
| | - C Verdon
- McGill University Health Center, Montreal, QC, Canada
| | - R Kohen
- McGill University Health Center, Montreal, QC, Canada
| | - T Bessissow
- McGill University Health Center, Montreal, QC, Canada
| | - W Afif
- McGill University Health Center, Montreal, QC, Canada
| | - G Wild
- McGill University Health Center, Montreal, QC, Canada
| | - E G Seidman
- McGill University Health Center, Montreal, QC, Canada
| | - A Bitton
- Royal Victoria Hospital, McGill University, Montreal, QC, Canada
| | - P Lakatos
- McGill University Health Center, Montreal, QC, Canada
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82
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Singh K, Al Khoury A, Kurti Z, Gonczi L, Reinglas J, Verdon C, Kohen R, Bessissow T, Afif W, Wild G, Seidman EG, Bitton A, Lakatos P. A76 HIGH ADHERENCE TO SURVEILLANCE GUIDELINES IN IBD RESULTS IN LOW CRC AND DYSPLASIA RATES, WHILE RATES OF DYSPLASIA AND CANCER ARE LOW BEFORE THE SUGGESTED START OF SURVEILLANCE. RESULTS FROM A TERTIARY IBD CENTER. J Can Assoc Gastroenterol 2019. [DOI: 10.1093/jcag/gwz006.075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- K Singh
- McGill University, Montreal, QC, Canada
| | | | - Z Kurti
- Semmelweis University , Budapest, Hungary
| | - L Gonczi
- Semmelweis University , Budapest, Hungary
| | | | - C Verdon
- Gastroenterology, McGill University, Montreal, QC, Canada
| | - R Kohen
- Gastroenterology, McGill University, Montreal, QC, Canada
| | - T Bessissow
- Gastroenterology, McGill University, Montreal, QC, Canada
| | - W Afif
- Gastroenterology, McGill University, Montreal, QC, Canada
| | - G Wild
- Gastroenterology, McGill University, Montreal, QC, Canada
| | - E G Seidman
- Gastroenterology, McGill University, Montreal, QC, Canada
| | - A Bitton
- Gastroenterology, McGill University, Montreal, QC, Canada
| | - P Lakatos
- Gastroenterology, McGill University, Montreal, QC, Canada
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83
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Al Khoury A, Singh K, Kurti Z, Gonczi L, Reinglas J, Verdon C, Kohen R, Bessissow T, Afif W, Wild G, Seidman EG, Bitton A, Lakatos P. A105 HIGH ADHERENCE TO SURVEILLANCE GUIDELINES IN IBD RESULTS IN LOW CRC AND DYSPLASIA RATES, WHILE RATES OF DYSPLASIA AND CANCER ARE LOW BEFORE THE SUGGESTED START OF SURVEILLANCE. RESULTS FROM A TERTIARY IBD CENTER. J Can Assoc Gastroenterol 2019. [DOI: 10.1093/jcag/gwz006.104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
| | - K Singh
- McGill University, Montreal, QC, Canada
| | - Z Kurti
- Semmelweis University, Budapest, Hungary
| | - L Gonczi
- Semmelweis University, Budapest, Hungary
| | | | - C Verdon
- McGill University, Montreal, QC, Canada
| | - R Kohen
- McGill University, Montreal, QC, Canada
| | - T Bessissow
- Gastroenterology, McGill University, Montreal, QC, Canada
| | - W Afif
- Gastroenterology, McGill University, Montreal, QC, Canada
| | - G Wild
- McGill University, Montreal, QC, Canada
| | - E G Seidman
- Gastroenterology, McGill University, Montreal, QC, Canada
| | - A Bitton
- Royal Victoria Hospital, McGill University, Montreal, QC, Canada
| | - P Lakatos
- Gastroenterology, McGill University, Montreal, QC, Canada
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Singh K, Dhar A, Srivastava A, Ranjan P, Kataria K, Gour KS. Abstract P3-14-04: Prevention of lymphedema in patients undergoing axillary dissection for breast cancer by benzathine penicillin: A non-inferiority randomised controlled trial. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p3-14-04] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Axillary lymph node dissection (ALND) is performed for axillary lymph nodal metastasis. Major complication of ALND is lymphedema. Lymphedema is a morbid condition associated with impaired activities of daily life and deterioration in quality of life (QOL). Olszewski et al (Lymphology. 2005 Jun;38(2):66–80) have shown that low-grade staphylococcal infection is a risk factor for lymphedema. Hence, we embarked upon a randomised controlled trial with non-inferiority hypothesis to evaluate efficacy of injection Benzathine penicillin in preventing breast cancer related lymphedema.
Methods: In this 2 group, open label, parallel design randomized controlled trial; patients undergoing ALND for breast cancer were included. Patients were randomized using block randomization to either injection Benzathine penicillin group or in control group. Patients in the penicillin group received injection Benzathine penicillin 1.2 million units as deep intramuscular injection after antibiotic sensitivity testing at intervals of 3 weeks. Primary endpoint was development of lymphedema at 6 months follow up. Analyses were done on an intention to treat basis. Lymphedema was defined as increase in >200ml of volume on water displacement method and or increase in arm circumference of >2cm from pre surgery values (Lancet Oncol. 2013 May 1;14(6):500–15).
Findings: Between July 2016 and December 2017, 83 ladies were randomly allocated, 40 in the penicillin group and 43 in control group. At 6 months follow up; a total of 15 (18.07%) patients had lymphedema. Out of them 5 patients were in penicillin group and 10 in the control group. Cellulitis was seen in 2/3rd of patients (10 out of 15) having lymphedema. The relative risk of cellulitis in penicillin group was 0.119 with 95% CI of (0.016-0.901) and prevented fraction of 0.881. Other factors like radiotherapy, type of surgery for primary tumor, extent of axillary dissection and type of chemotherapy were comparable in both groups. None of the patients receiving penicillin have any adverse effect or allergic reaction to the drug during the study period.
Comparison of lymphedema and cellulitis in two groupsOutcome Penicillin groupControl groupRR ( 95% CI)PFLymphedemaPresent05100.538 (0.201-1.437)0.462 Absent3533 CellulitisPresent01090.119 (0.016-0.901)0.881 Absent3934 RR: Relative risk, PF: Prevented fraction, CI: Confidence interval
Conclusion: Penicillin administration in patients undergoing axillary lymph node dissection is safe and significantly reduces risk of lymphedema and cellulitis.
Novelty: This is the first randomised trial demonstrating the benefit of long term administration of penicillin in reducing lymphedema and cellulitis.
Citation Format: Singh K, Dhar A, Srivastava A, Ranjan P, Kataria K, Gour KS. Prevention of lymphedema in patients undergoing axillary dissection for breast cancer by benzathine penicillin: A non-inferiority randomised controlled trial [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P3-14-04.
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Affiliation(s)
- K Singh
- All India Institute of Medical Sciences, New Delhi, Delhi, India
| | - A Dhar
- All India Institute of Medical Sciences, New Delhi, Delhi, India
| | - A Srivastava
- All India Institute of Medical Sciences, New Delhi, Delhi, India
| | - P Ranjan
- All India Institute of Medical Sciences, New Delhi, Delhi, India
| | - K Kataria
- All India Institute of Medical Sciences, New Delhi, Delhi, India
| | - KS Gour
- All India Institute of Medical Sciences, New Delhi, Delhi, India
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Frijstein MM, Lok CAR, Short D, Singh K, Fisher RA, Hancock BW, Tidy JA, Sarwar N, Kanfer E, Winter MC, Savage PM, Seckl MJ. The results of treatment with high-dose chemotherapy and peripheral blood stem cell support for gestational trophoblastic neoplasia. Eur J Cancer 2019; 109:162-171. [PMID: 30731277 DOI: 10.1016/j.ejca.2018.12.033] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 12/13/2018] [Accepted: 12/23/2018] [Indexed: 12/31/2022]
Abstract
OBJECTIVE The objective of the study was to evaluate the effect of high-dose chemotherapy (HDC) with peripheral blood stem cell support (PBSCS) on survival of patients with gestational trophoblastic neoplasia (GTN) with either refractory choriocarcinomas or a poor-prognosis placental site/epithelioid trophoblastic tumours (PSTT/ETTs). METHODS Databases of two referral centres for gestational trophoblastic disease were searched, and 32 patients treated with HDC between 1994 and 2015 were identified. Tissue samples were retrieved for genetic evaluation. Cox regression analyses were performed to identify possible predictors of overall survival (OS). RESULTS HDC induced a sustained complete response in 7 patients. Overall, 41% (13/32) of the patients remained disease free after HDC with or without additional treatment. Patients who survived had much lower human chorionic gonadotropin (hCG) values (all ≤12 IU/L) before and after HDC than those who died of disease. Univariable Cox regression analysis demonstrated that hCG >12 IU/L before or after HDC, International Federation of Gynaecology and Obstetrics (FIGO) stage II-IV and presence of metastases at the time of diagnosis were significantly associated with adverse OS. However, only hCG values before HDC remained significant in a multivariable model (p < 0.001). Five of 11 (45%) patients with PSTT/ETT presenting ≥48 months after antecedent pregnancy and 6 of 14 (43%) patients with refractory choriocarcinoma were in remission. Three treatment-related deaths occurred. CONCLUSIONS Despite 3 treatment-induced deaths, HDC with PBSCS appears to be active in salvaging selected patients with poor-prognosis PSTT/ETTs and refractory choriocarcinomas. Low hCG values before HDC seems a beneficial predictor of OS and may suggest that HDC acts more like a consolidation therapy.
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Affiliation(s)
- M M Frijstein
- Department of Gynaecology, Center of Gynaecologic Oncology Amsterdam, the Netherlands
| | - C A R Lok
- Department of Gynaecology, Center of Gynaecologic Oncology Amsterdam, the Netherlands
| | - D Short
- Department of Medical Oncology, Charing Cross Hospital Campus of Imperial College, London, UK
| | - K Singh
- Sheffield Trophoblastic Disease Centre, Academic Unit of Clinical Oncology, Weston Park Hospital, Sheffield, UK
| | - R A Fisher
- Department of Medical Oncology, Charing Cross Hospital Campus of Imperial College, London, UK
| | - B W Hancock
- Sheffield Trophoblastic Disease Centre, Academic Unit of Clinical Oncology, Weston Park Hospital, Sheffield, UK
| | - J A Tidy
- Sheffield Trophoblastic Disease Centre, Academic Unit of Clinical Oncology, Weston Park Hospital, Sheffield, UK
| | - N Sarwar
- Department of Medical Oncology, Charing Cross Hospital Campus of Imperial College, London, UK
| | - E Kanfer
- Dept of Haematology, Hammersmith Hospital Campus of Imperial College, London, UK
| | - M C Winter
- Sheffield Trophoblastic Disease Centre, Academic Unit of Clinical Oncology, Weston Park Hospital, Sheffield, UK
| | - P M Savage
- Department of Medical Oncology, Charing Cross Hospital Campus of Imperial College, London, UK
| | - M J Seckl
- Department of Medical Oncology, Charing Cross Hospital Campus of Imperial College, London, UK.
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Chakos A, Jbara D, Singh K, Yan T, Tian D. Network Meta-Analysis of Antiplatelet Therapy Following Coronary Artery Bypass Grafting: None Versus One Versus Two Antiplatelet Agents. Heart Lung Circ 2019. [DOI: 10.1016/j.hlc.2019.02.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Singh K, Ghataura H, Chen C, Kishore A, Perera A, Jung R, Parlow S, Hibbert B, Simard T. Incidence, Clinical Characteristics and In-Hospital Outcomes of MINOCA Patients: A Combined Analysis from 2 Large Registry Datasets. Heart Lung Circ 2019. [DOI: 10.1016/j.hlc.2019.06.399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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McLean K, Glasbey J, Borakati A, Brooks T, Chang H, Choi S, Goodson R, Nielsen M, Pronin S, Salloum N, Sewart E, Vanniasegaram D, Drake T, Gillies M, Harrison E, Chapman S, Khatri C, Kong C, Claireaux H, Bath M, Mohan M, McNamee L, Kelly M, Mitchell H, Fitzgerald J, Bhangu A, Nepogodiev D, Antoniou I, Dean R, Davies N, Trecarten S, Henderson I, Holmes C, Wylie J, Shuttleworth R, Jindal A, Hughes F, Gouda P, Fleck R, Hanrahan M, Karunakaran P, Chen J, Sykes M, Sethi R, Suresh S, Patel P, Patel M, Varma R, Mushtaq J, Gundogan B, Bolton W, Khan T, Burke J, Morley R, Favero N, Adams R, Thirumal V, Kennedy E, Ong K, Tan Y, Gabriel J, Bakhsh A, Low J, Yener A, Paraoan V, Preece R, Tilston T, Cumber E, Dean S, Ross T, McCance E, Amin H, Satterthwaite L, Clement K, Gratton R, Mills E, Chiu S, Hung G, Rafiq N, Hayes J, Robertson K, Dynes K, Huang H, Assadullah S, Duncumb J, Moon R, Poo S, Mehta J, Joshi K, Callan R, Norris J, Chilvers N, Keevil H, Jull P, Mallick S, Elf D, Carr L, Player C, Barton E, Martin A, Ratu S, Roberts E, Phan P, Dyal A, Rogers J, Henson A, Reid N, Burke D, Culleton G, Lynne S, Mansoor S, Brennan C, Blessed R, Holloway C, Hill A, Goldsmith T, Mackin S, Kim S, Woin E, Brent G, Coffin J, Ziff O, Momoh Z, Debenham R, Ahmed M, Yong C, Wan J, Copley H, Raut P, Chaudhry F, Nixon G, Dorman C, Tan R, Kanabar S, Canning N, Dolaghan M, Bell N, McMenamin M, Chhabra A, Duke K, Turner L, Patel T, Chew L, Mirza M, Lunawat S, Oremule B, Ward N, Khan M, Tan E, Maclennan D, McGregor R, Chisholm E, Griffin E, Bell L, Hughes B, Davies J, Haq H, Ahmed H, Ungcharoen N, Whacha C, Thethi R, Markham R, Lee A, Batt E, Bullock N, Francescon C, Davies J, Shafiq N, Zhao J, Vivekanantham S, Barai I, Allen J, Marshall D, McIntyre C, Wilson H, Ashton A, Lek C, Behar N, Davis-Hall M, Seneviratne N, Esteve L, Sirakaya M, Ali S, Pope S, Ahn J, Craig-McQuaide A, Gatfield W, Leong S, Demetri A, Kerr A, Rees C, Loveday J, Liu S, Wijesekera M, Maru D, Attalla M, Smith N, Brown D, Sritharan P, Shah A, Charavanamuttu V, Heppenstall-Harris G, Ng K, Raghvani T, Rajan N, Hulley K, Moody N, Williams M, Cotton A, Sharifpour M, Lwin K, Bright M, Chitnis A, Abdelhadi M, Semana A, Morgan F, Reid R, Dickson J, Anderson L, McMullan R, Ahern N, Asmadi A, Anderson L, Boon Xuan JL, Crozier L, McAleer S, Lees D, Adebayo A, Das M, Amphlett A, Al-Robeye A, Valli A, Khangura J, Winarski A, Ali A, Woodward H, Gouldthrope C, Turner M, Sasapu K, Tonkins M, Wild J, Robinson M, Hardie J, Heminway R, Narramore R, Ramjeeawon N, Hibberd A, Winslow F, Ho W, Chong B, Lim K, Ho S, Crewdson J, Singagireson S, Kalra N, Koumpa F, Jhala H, Soon W, Karia M, Rasiah M, Xylas D, Gilbert H, Sundar-Singh M, Wills J, Akhtar S, Patel S, Hu L, Brathwaite-Shirley C, Nayee H, Amin O, Rangan T, Turner E, McCrann C, Shepherd R, Patel N, Prest-Smith J, Auyoung E, Murtaza A, Coates A, Prys-Jones O, King M, Gaffney S, Dewdney C, Nehikhare I, Lavery J, Bassett J, Davies K, Ahmad K, Collins A, Acres M, Egerton C, Cheng K, Chen X, Chan N, Sheldon A, Khan S, Empey J, Ingram E, Malik A, Johnstone M, Goodier R, Shah J, Giles J, Sanders J, McLure S, Pal S, Rangedara A, Baker A, Asbjoernsen C, Girling C, Gray L, Gauntlett L, Joyner C, Qureshi S, Mogan Y, Ng J, Kumar A, Park J, Tan D, Choo K, Raman K, Buakuma P, Xiao C, Govinden S, Thompson O, Charalambos M, Brown E, Karsan R, Dogra T, Bullman L, Dawson P, Frank A, Abid H, Tung L, Qureshi U, Tahmina A, Matthews B, Harris R, O'Connor A, Mazan K, Iqbal S, Stanger S, Thompson J, Sullivan J, Uppal E, MacAskill A, Bamgbose F, Neophytou C, Carroll A, Rookes C, Datta U, Dhutia A, Rashid S, Ahmed N, Lo T, Bhanderi S, Blore C, Ahmed S, Shaheen H, Abburu S, Majid S, Abbas Z, Talukdar S, Burney L, Patel J, Al-Obaedi O, Roberts A, Mahboob S, Singh B, Sheth S, Karia P, Prabhudesai A, Kow K, Koysombat K, Wang S, Morrison P, Maheswaran Y, Keane P, Copley P, Brewster O, Xu G, Harries P, Wall C, Al-Mousawi A, Bonsu S, Cunha P, Ward T, Paul J, Nadanakumaran K, Tayeh S, Holyoak H, Remedios J, Theodoropoulou K, Luhishi A, Jacob L, Long F, Atayi A, Sarwar S, Parker O, Harvey J, Ross H, Rampal R, Thomas G, Vanmali P, McGowan C, Stein J, Robertson V, Carthew L, Teng V, Fong J, Street A, Thakker C, O'Reilly D, Bravo M, Pizzolato A, Khokhar H, Ryan M, Cheskes L, Carr R, Salih A, Bassiony S, Yuen R, Chrastek D, Rosen O'Sullivan H, Amajuoyi A, Wang A, Sitta O, Wye J, Qamar M, Major C, Kaushal A, Morgan C, Petrarca M, Allot R, Verma K, Dutt S, Chilima C, Peroos S, Kosasih S, Chin H, Ashken L, Pearse R, O'Loughlin R, Menon A, Singh K, Norton J, Sagar R, Jathanna N, Rothwell L, Watson N, Harding F, Dube P, Khalid H, Punjabi N, Sagmeister M, Gill P, Shahid S, Hudson-Phillips S, George D, Ashwood J, Lewis T, Dhar M, Sangal P, Rhema I, Kotecha D, Afzal Z, Syeed J, Prakash E, Jalota P, Herron J, Kimani L, Delport A, Shukla A, Agarwal V, Parthiban S, Thakur H, Cymes W, Rinkoff S, Turnbull J, Hayat M, Darr S, Khan U, Lim J, Higgins A, Lakshmipathy G, Forte B, Canning E, Jaitley A, Lamont J, Toner E, Ghaffar A, McDowell M, Salmon D, O'Carroll O, Khan A, Kelly M, Clesham K, Palmer C, Lyons R, Bell A, Chin R, Waldron R, Trimble A, Cox S, Ashfaq U, Campbell J, Holliday R, McCabe G, Morris F, Priestland R, Vernon O, Ledsam A, Vaughan R, Lim D, Bakewell Z, Hughes R, Koshy R, Jackson H, Narayan P, Cardwell A, Jubainville C, Arif T, Elliott L, Gupta V, Bhaskaran G, Odeleye A, Ahmed F, Shah R, Pickard J, Suleman Y, North A, McClymont L, Hussain N, Ibrahim I, Ng G, Wong V, Lim A, Harris L, Tharmachandirar T, Mittapalli D, Patel V, Lakhani M, Bazeer H, Narwani V, Sandhu K, Wingfield L, Gentry S, Adjei H, Bhatti M, Braganza L, Barnes J, Mistry S, Chillarge G, Stokes S, Cleere J, Wadanamby S, Bucko A, Meek J, Boxall N, Heywood E, Wiltshire J, Toh C, Ward A, Shurovi B, Horth D, Patel B, Ali B, Spencer T, Axelson T, Kretzmer L, Chhina C, Anandarajah C, Fautz T, Horst C, Thevathasan A, Ng J, Hirst F, Brewer C, Logan A, Lockey J, Forrest P, Keelty N, Wood A, Springford L, Avery P, Schulz T, Bemand T, Howells L, Collier H, Khajuria A, Tharakan R, Parsons S, Buchan A, McGalliard R, Mason J, Cundy O, Li N, Redgrave N, Watson R, Pezas T, Dennis Y, Segall E, Hameed M, Lynch A, Chamberlain M, Peck F, Neo Y, Russell G, Elseedawy M, Lee S, Foster N, Soo Y, Puan L, Dennis R, Goradia H, Qureshi A, Osman S, Reeves T, Dinsmore L, Marsden M, Lu Q, Pitts-Tucker T, Dunn C, Walford R, Heathcote E, Martin R, Pericleous A, Brzyska K, Reid K, Williams M, Wetherall N, McAleer E, Thomas D, Kiff R, Milne S, Holmes M, Bartlett J, Lucas de Carvalho J, Bloomfield T, Tongo F, Bremner R, Yong N, Atraszkiewicz B, Mehdi A, Tahir M, Sherliker G, Tear A, Pandey A, Broyd A, Omer H, Raphael M, Chaudhry W, Shahidi S, Jawad A, Gill C, Fisher IH, Adeleja I, Clark I, Aidoo-Micah G, Stather P, Salam G, Glover T, Deas G, Sim N, Obute R, Wynell-Mayow W, Sait M, Mitha N, de Bernier G, Siddiqui M, Shaunak R, Wali A, Cuthbert G, Bhudia R, Webb E, Shah S, Ansari N, Perera M, Kelly N, McAllister R, Stanley G, Keane C, Shatkar V, Maxwell-Armstrong C, Henderson L, Maple N, Manson R, Adams R, Semple E, Mills M, Daoub A, Marsh A, Ramnarine A, Hartley J, Malaj M, Jewell P, Whatling E, Hitchen N, Chen M, Goh B, Fern J, Rogers S, Derbyshire L, Robertson D, Abuhussein N, Deekonda P, Abid A, Harrison P, Aildasani L, Turley H, Sherif M, Pandey G, Filby J, Johnston A, Burke E, Mohamud M, Gohil K, Tsui A, Singh R, Lim S, O'Sullivan K, McKelvey L, O'Neill S, Roberts H, Brown F, Cao Y, Buckle R, Liew Y, Sii S, Ventre C, Graham C, Filipescu T, Yousif A, Dawar R, Wright A, Peters M, Varley R, Owczarek S, Hartley S, Khattak M, Iqbal A, Ali M, Durrani B, Narang Y, Bethell G, Horne L, Pinto R, Nicholls K, Kisyov I, Torrance H, English W, Lakhani S, Ashraf S, Venn M, Elangovan V, Kazmi Z, Brecher J, Sukumar S, Mastan A, Mortimer A, Parker J, Boyle J, Elkawafi M, Beckett J, Mohite A, Narain A, Mazumdar E, Sreh A, Hague A, Weinberg D, Fletcher L, Steel M, Shufflebotham H, Masood M, Sinha Y, Jenvey C, Kitt H, Slade R, Craig A, Deall C, Reakes T, Chervenkoff J, Strange E, O'Bryan M, Murkin C, Joshi D, Bergara T, Naqib S, Wylam D, Scotcher S, Hewitt C, Stoddart M, Kerai A, Trist A, Cole S, Knight C, Stevens S, Cooper G, Ingham R, Dobson J, O'Kane A, Moradzadeh J, Duffy A, Henderson C, Ashraf S, McLaughin C, Hoskins T, Reehal R, Bookless L, McLean R, Stone E, Wright E, Abdikadir H, Roberts C, Spence O, Srikantharajah M, Ruiz E, Matthews J, Gardner E, Hester E, Naran P, Simpson R, Minhas M, Cornish E, Semnani S, Rojoa D, Radotra A, Eraifej J, Eparh K, Smith D, Mistry B, Hickling S, Din W, Liu C, Mithrakumar P, Mirdavoudi V, Rashid M, Mcgenity C, Hussain O, Kadicheeni M, Gardner H, Anim-Addo N, Pearce J, Aslanyan A, Ntala C, Sorah T, Parkin J, Alizadeh M, White A, Edozie F, Johnston J, Kahar A, Navayogaarajah V, Patel B, Carter D, Khonsari P, Burgess A, Kong C, Ponweera A, Cody A, Tan Y, Ng A, Croall A, Allan C, Ng S, Raghuvir V, Telfer R, Greenhalgh A, McKerr C, Edison M, Patel B, Dear K, Hardy M, Williams P, Hassan S, Sajjad U, O'Neill E, Lopes S, Healy L, Jamal N, Tan S, Lazenby D, Husnoo S, Beecroft S, Sarvanandan T, Weston C, Bassam N, Rabinthiran S, Hayat U, Ng L, Varma D, Sukkari M, Mian A, Omar A, Kim J, Sellathurai J, Mahmood J, O'Connell C, Bose R, Heneghan H, Lalor P, Matheson J, Doherty C, Cullen C, Cooper D, Angelov S, Drislane C, Smith A, Kreibich A, Palkhi E, Durr A, Lotfallah A, Gold D, Mckean E, Dhanji A, Anilkumar A, Thacoor A, Siddiqui Z, Lim S, Piquet A, Anderson S, McCormack D, Gulati J, Ibrahim A, Murray S, Walsh S, McGrath A, Ziprin P, Chua E, Lou C, Bloomer J, Paine H, Osei-Kuffour D, White C, Szczap A, Gokani S, Patel K, Malys M, Reed A, Torlot G, Cumber E, Charania A, Ahmad S, Varma N, Cheema H, Austreng L, Petra H, Chaudhary M, Zegeye M, Cheung F, Coffey D, Heer R, Singh S, Seager E, Cumming S, Suresh R, Verma S, Ptacek I, Gwozdz A, Yang T, Khetarpal A, Shumon S, Fung T, Leung W, Kwang P, Chew L, Loke W, Curran A, Chan C, McGarrigle C, Mohan K, Cullen S, Wong E, Toale C, Collins D, Keane N, Traynor B, Shanahan D, Yan A, Jafree D, Topham C, Mitrasinovic S, Omara S, Bingham G, Lykoudis P, Miranda B, Whitehurst K, Kumaran G, Devabalan Y, Aziz H, Shoa M, Dindyal S, Yates J, Bernstein I, Rattan G, Coulson R, Stezaker S, Isaac A, Salem M, McBride A, McFarlane H, Yow L, MacDonald J, Bartlett R, Turaga S, White U, Liew W, Yim N, Ang A, Simpson A, McAuley D, Craig E, Murphy L, Shepherd P, Kee J, Abdulmajid A, Chung A, Warwick H, Livesey A, Holton P, Theodoreson M, Jenkin S, Turner J, Entwisle J, Marchal S, O'Connor S, Blege H, Aithie J, Sabine L, Stewart G, Jackson S, Kishore A, Lankage C, Acquaah F, Joyce H, McKevitt K, Coffey C, Fawaz A, Dolbec K, O'Sullivan D, Geraghty J, Lim E, Bolton L, FitzPatrick D, Robinson C, Ramtoola T, Collinson S, Grundy L, McEnhill P, Harbhajan Singh G, Loughran D, Golding D, Keeling R, Williams R, Whitham R, Yoganathan S, Nachiappan R, Egan R, Owasil R, Kwan M, He A, Goh R, Bhome R, Wilson H, Teoh P, Raji K, Jayakody N, Matthams J, Chong J, Luk C, Greig R, Trail M, Charalambous G, Rocke A, Gardiner N, Bulley F, Warren N, Brennan E, Fergurson P, Wilson R, Whittingham H, Brown E, Khanijau R, Gandhi K, Morris S, Boulton A, Chandan N, Barthorpe A, Maamari R, Sandhu S, McCann M, Higgs L, Balian V, Reeder C, Diaper C, Sale T, Ali H, Archer C, Clarke A, Heskin J, Hurst P, Farmer J, O'Flynn L, Doan L, Shuker B, Stott G, Vithanage N, Hoban K, Nesargikar P, Kennedy H, Grossart C, Tan E, Roy C, Sim P, Leslie K, Sim D, Abul M, Cody N, Tay A, Woon E, Sng S, Mah J, Robson J, Shakweh E, Wing V, Mills H, Li M, Barrow T, Balaji S, Jordan H, Phillips C, Naveed H, Hirani S, Tai A, Ratnakumaran R, Sahathevan A, Shafi A, Seedat M, Weaver R, Batho A, Punj R, Selvachandran H, Bhatt N, Botchey S, Khonat Z, Brennan K, Morrison C, Devlin E, Linton A, Galloway E, McGarvie S, Ramsay N, McRobbie H, Whewell H, Dean W, Nelaj S, Eragat M, Mishra A, Kane T, Zuhair M, Wells M, Wilkinson D, Woodcock N, Sun E, Aziz N, Ghaffar MKA. Critical care usage after major gastrointestinal and liver surgery: a prospective, multicentre observational study. Br J Anaesth 2019; 122:42-50. [PMID: 30579405 DOI: 10.1016/j.bja.2018.07.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 07/19/2018] [Accepted: 07/23/2018] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Patient selection for critical care admission must balance patient safety with optimal resource allocation. This study aimed to determine the relationship between critical care admission, and postoperative mortality after abdominal surgery. METHODS This prespecified secondary analysis of a multicentre, prospective, observational study included consecutive patients enrolled in the DISCOVER study from UK and Republic of Ireland undergoing major gastrointestinal and liver surgery between October and December 2014. The primary outcome was 30-day mortality. Multivariate logistic regression was used to explore associations between critical care admission (planned and unplanned) and mortality, and inter-centre variation in critical care admission after emergency laparotomy. RESULTS Of 4529 patients included, 37.8% (n=1713) underwent planned critical care admissions from theatre. Some 3.1% (n=86/2816) admitted to ward-level care subsequently underwent unplanned critical care admission. Overall 30-day mortality was 2.9% (n=133/4519), and the risk-adjusted association between 30-day mortality and critical care admission was higher in unplanned [odds ratio (OR): 8.65, 95% confidence interval (CI): 3.51-19.97) than planned admissions (OR: 2.32, 95% CI: 1.43-3.85). Some 26.7% of patients (n=1210/4529) underwent emergency laparotomies. After adjustment, 49.3% (95% CI: 46.8-51.9%, P<0.001) were predicted to have planned critical care admissions, with 7% (n=10/145) of centres outside the 95% CI. CONCLUSIONS After risk adjustment, no 30-day survival benefit was identified for either planned or unplanned postoperative admissions to critical care within this cohort. This likely represents appropriate admission of the highest-risk patients. Planned admissions in selected, intermediate-risk patients may present a strategy to mitigate the risk of unplanned admission. Substantial inter-centre variation exists in planned critical care admissions after emergency laparotomies.
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Singh K, Tavella R, Air T, Worthley M, Sinhal A, Arstall M, Zeitz C, Beltrame J. Cardiovascular Outcomes of Transradial Versus Transfemoral Access Cardiac Catheterization: Insights From the CADOSA Registry. Heart Lung Circ 2019. [DOI: 10.1016/j.hlc.2019.06.360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Subhaharan D, Mridha N, Singh K. Clinical Benefits of Prolonged DAPT Following Complex Percutaneous Coronary Intervention. Heart Lung Circ 2019. [DOI: 10.1016/j.hlc.2019.06.592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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92
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Singh K, Johnson L, Devarajan R, Shivashankar R, Sharma P, Kondal D, Ajay VS, Narayan KMV, Prabhakaran D, Ali MK, Tandon N. Acceptability of a decision-support electronic health record system and its impact on diabetes care goals in South Asia: a mixed-methods evaluation of the CARRS trial. Diabet Med 2018; 35:1644-1654. [PMID: 30142228 DOI: 10.1111/dme.13804] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/20/2018] [Indexed: 02/03/2023]
Abstract
AIMS To describe physicians' acceptance of decision-support electronic health record system and its impact on diabetes care goals among people with Type 2 diabetes. METHODS We analysed data from participants in the Centre for Cardiometabolic Risk Reduction in South Asia (CARRS) trial, who received the study intervention (care coordinators and use of a decision-support electronic health record system; n=575) using generalized estimating equations to estimate the association between acceptance/rejection of decision-support system prompts and outcomes (mean changes in HbA1c , blood pressure and LDL cholesterol) considering repeated measures across all time points available. We conducted in-depth interviews with physicians to understand the benefits, challenges and value of the decision-support electronic health record system and analysed physicians' interviews using Rogers' diffusion of innovation theory. RESULTS At end-of-trial, participants with diabetes for whom glycaemic, systolic blood pressure, diastolic blood pressure and LDL cholesterol decision-support electronic health record prompts were accepted vs rejected, experienced no reduction in HbA1c [mean difference: -0.05 mmol/mol (95% CI -0.22, 0.13); P=0.599], but statistically significant improvements were observed for systolic blood pressure [mean difference: -11.6 mmHg (95% CI -13.9, -9.3); P ≤ 0.001], diastolic blood pressure [mean difference: -5.2 mmHg (95% CI -6.5, -3.8); P ≤ 0.001] and LDL cholesterol [mean difference: -0.7 mmol/l (95% CI -0.6, -0.8); P ≤0.001], respectively. The relative advantages and compatibility of the decision-support electronic health record system with existing clinic set-ups influenced physicians' acceptance of it. Software complexities and data entry challenges could be overcome by task-sharing. CONCLUSION Wider adherence to decision-support electronic health record prompts could potentially improve diabetes goal achievement, particularly when accompanied by assistance from a non-physician health worker.
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Affiliation(s)
- K Singh
- Centre for Chronic Conditions and Injuries, Public Health Foundation of India, Gurgaon, Haryana, India
- Centre for Chronic Disease Control, New Delhi, India
- Department of Endocrinology and Metabolism, All India Institute of Medical Sciences, New Delhi, India
- Centre for Control of Chronic Conditions, New Delhi, India
| | - L Johnson
- Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - R Devarajan
- Centre for Control of Chronic Conditions, New Delhi, India
- Centre of Excellence - Centre for Cardio-metabolic Risk Reduction in South Asia
| | - R Shivashankar
- Centre for Chronic Conditions and Injuries, Public Health Foundation of India, Gurgaon, Haryana, India
- Centre for Chronic Disease Control, New Delhi, India
- Centre for Control of Chronic Conditions, New Delhi, India
| | - P Sharma
- St. Georges Medical University of London, London, UK
- Plovdiv Medical University, Plovdiv, Bulgaria
| | - D Kondal
- Centre for Chronic Conditions and Injuries, Public Health Foundation of India, Gurgaon, Haryana, India
- Centre for Chronic Disease Control, New Delhi, India
- Centre for Control of Chronic Conditions, New Delhi, India
| | - V S Ajay
- Centre for Chronic Conditions and Injuries, Public Health Foundation of India, Gurgaon, Haryana, India
- Centre for Chronic Disease Control, New Delhi, India
- Centre for Control of Chronic Conditions, New Delhi, India
| | - K M V Narayan
- Centre for Control of Chronic Conditions, New Delhi, India
- Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - D Prabhakaran
- Centre for Chronic Conditions and Injuries, Public Health Foundation of India, Gurgaon, Haryana, India
- Centre for Chronic Disease Control, New Delhi, India
- Centre for Control of Chronic Conditions, New Delhi, India
| | - M K Ali
- Centre for Control of Chronic Conditions, New Delhi, India
- Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - N Tandon
- Department of Endocrinology and Metabolism, All India Institute of Medical Sciences, New Delhi, India
- Centre for Control of Chronic Conditions, New Delhi, India
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93
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Devarajan R, Singh K, Kondal D, Shivashankar R, Narayan K, Prabhakaran D, Tandon N, Ali M. MS02.9 Association of Body Mass Index and Other Cardiovascular Risk Factors With Diabetic Retinopathy Among People With Poorly-Controlled Type 2 Diabetes Mellitus In South Asia: The CARRS Trial. Glob Heart 2018. [DOI: 10.1016/j.gheart.2018.09.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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94
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Soni D, Chandrasekaran A, Singh K, Singh K, Mohan B, Negi P, Chattopadhyay K, Vamadevan A, Prabhakaran D, Kinra S. PO137 Gender Differences In Physiological and Behavioral Risk Factors Among Patients With Acute Myocardial Infarction: Findings From the Yoga-Care Trial. Glob Heart 2018. [DOI: 10.1016/j.gheart.2018.09.129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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95
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Yoo S, Singh K, Shivashankar R, Huffman M, Kadir M, Ali M, Mohan V, Narayan K, Tandon N, Prabhakaran D. PO531 Primary and Secondary Prevention of Cardiovascular Diseases In Three South Asian Metropolitan Cities: Analysis of Self-Reported Medication Use In Community-Based CARRS Study. Glob Heart 2018. [DOI: 10.1016/j.gheart.2018.09.407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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96
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Hava D, Tan L, Johnson P, Curran A, Perry J, Kramer S, Kane K, Bedwell P, Henderson D, Layton G, Singh K, Connor L, Singh D, Roach J. A PHASE 1/1B STUDY OF AN INHALED FORMULATION OF ITRACONAZOLE IN HEALTHY VOLUNTEERS AND ASTHMATICS. Ann Allergy Asthma Immunol 2018. [DOI: 10.1016/j.anai.2018.09.190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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97
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Singh K, Kouli O, Kanodia A, Goodman C, Eadie E, Ibbotson S, Hossain-Ibrahim K. P01.142 Comparing Outcomes in Glioblastoma Multiforme patients undergoing Photodynamic Therapy with a Second-Generation Photosensitiser vs 5-Aminolevulinic Acid - A Single Site Retrospective Analysis. Neuro Oncol 2018. [DOI: 10.1093/neuonc/noy139.184] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- K Singh
- NHS Tayside, Dundee, United Kingdom
| | - O Kouli
- University of Dundee, Dundee, United Kingdom
| | | | | | - E Eadie
- NHS Tayside, Dundee, United Kingdom
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98
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Phillips A, Sundar S, Singh K, Pounds R, Nevin J, Kehoe S, Balega J, Elattar A. The NICE classification for 'Ultra-radical (extensive) surgery for advanced ovarian cancer' guidance does not meaningfully predict postoperative complications: a cohort study. BJOG 2018; 126:96-104. [PMID: 30092615 DOI: 10.1111/1471-0528.15423] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/16/2018] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To determine which descriptors of cytoreductive surgical extent in advanced ovarian cancer (AOC) best predict postoperative morbidity. DESIGN Retrospective notes review. SETTING A gynaecological cancer centre in the UK. POPULATION Six hundred and eight women operated on for AOC over a period of 114 months at a tertiary cancer centre, between 16 August 2007 and 16 February 2017. METHODS Outcome data were analysed by six approaches to classify the extent of surgery: standard/ultra-radical surgery; standard/radical/supra-radical surgery; presence/absence of gastrointestinal resections; low/intermediate/high surgical complexity score (SCS); presence of bowel anastomoses and/or diaphragmatic surgery; and the presence/absence of multiple bowel resections. MAIN OUTCOME MEASURES Major (grades 3-5) postoperative morbidity and mortality. RESULTS Forty-three (7.1%) patients experienced major complications. Grade-5 complications occurred in six patients (1.0%). Patients who underwent multiple bowel resections had a relative risk (RR) of 7.73 (95% confidence interval, 95% CI 3.92-15.26), patients with a high SCS had an RR of 6.12 (95% CI 3.25-11.52), patients with diaphragmatic surgery and gastrointestinal anastomosis had an RR of 5.57 (95% CI 2.65-11.72), patients with 'any gastrointestinal resection' had an RR of 4.69 (95% CI 2.66-8.24), patients with ultra-radical surgery had an RR of 4.65 (95% CI 2.26-8.79), and patients with supra-radical surgery had an RR of 4.20 (95% CI 2.35-7.51) of grades 3-5 morbidity, compared with patients undergoing standard surgery as defined by the National Institute for Health and Care Excellence (NICE) in the UK. No significant difference was seen in the rate of major morbidity between standard (6/59, 10.2%) and ultra-radical (9/81, 11.1%) surgery within the cohort who had intermediate complex surgery (P > 0.05). CONCLUSIONS The numbers of procedures performed significantly correlate with major morbidity. The number of procedures performed better predicted major postoperative morbidity than the performance of certain 'high risk' procedures. We recommend using SCS to define a higher risk operation. NICE should re-evaluate the use of the term 'ultra-radical' surgery. TWEETABLE ABSTRACT Multiple bowel resection is the best predictor of morbidity and is more predictive than 'ultra-radical surgery'.
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Affiliation(s)
- A Phillips
- Department of Obstetrics and Gynaecology, Royal Derby Hospital, Derby, UK
| | - S Sundar
- Pan-Birmingham Gynaecological Cancer Centre, City Hospital, Birmingham, UK.,Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - K Singh
- Pan-Birmingham Gynaecological Cancer Centre, City Hospital, Birmingham, UK
| | - R Pounds
- Pan-Birmingham Gynaecological Cancer Centre, City Hospital, Birmingham, UK
| | - J Nevin
- Pan-Birmingham Gynaecological Cancer Centre, City Hospital, Birmingham, UK
| | - S Kehoe
- Pan-Birmingham Gynaecological Cancer Centre, City Hospital, Birmingham, UK.,Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - J Balega
- Pan-Birmingham Gynaecological Cancer Centre, City Hospital, Birmingham, UK
| | - A Elattar
- Pan-Birmingham Gynaecological Cancer Centre, City Hospital, Birmingham, UK
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99
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Nishimiya K, Sharma G, Singh K, Osman H, Gardecki JA, Tearney GJ. P2772A novel approach for uric acid crystal detection in human coronary arteries with polarization-sensitive micro-OCT. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p2772] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- K Nishimiya
- Massachusetts General Hospital, Wellman Center for Photomedicine, Boston, United States of America
| | - G Sharma
- Massachusetts General Hospital, Wellman Center for Photomedicine, Boston, United States of America
| | - K Singh
- Massachusetts General Hospital, Wellman Center for Photomedicine, Boston, United States of America
| | - H Osman
- Massachusetts General Hospital, Wellman Center for Photomedicine, Boston, United States of America
| | - J A Gardecki
- Massachusetts General Hospital, Wellman Center for Photomedicine, Boston, United States of America
| | - G J Tearney
- Massachusetts General Hospital, Wellman Center for Photomedicine, Department of Pathology, Boston, United States of America
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100
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Singh K, Subhaharan D, Mridha N. P5525A meta-analysis of randomised controlled trials to compare safety and efficacy of everolimus/sirolimus bioabsorbable polymer with second-generation durable-polymer drug eluting stents. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p5525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- K Singh
- University of Adelaide, Queen Elizabeth Hospital, Adelaide, Australia
| | | | - N Mridha
- Gold Coast Hospital, Gold Coast, Australia
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