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Potluri R, Mathew A, Carter PR, Aziz A, Uppal H, Buch M, Sarma J. P3687The influence of age and comorbidity on STEMI outcomes: a risk/benefit paradox? Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p3687] [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)
- R Potluri
- Aston University, ACALM Study Unit in collaboration with Aston Medical School, Birmingham, United Kingdom
| | - A Mathew
- Mazankowski Alberta Heart Institute, Division of Cardiology, Edmonton, Canada
| | - P R Carter
- Aston University, ACALM Study Unit in collaboration with Aston Medical School, Birmingham, United Kingdom
| | - A Aziz
- New Cross Hospital, Wolverhampton, United Kingdom
| | - H Uppal
- Aston University, ACALM Study Unit in collaboration with Aston Medical School, Birmingham, United Kingdom
| | - M Buch
- University Hospital of South Manchester NHS Foundation Trust, Manchester, United Kingdom
| | - J Sarma
- University Hospital of South Manchester NHS Foundation Trust, Manchester, United Kingdom
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Anderson SG, Contractor H, Saluja S, Sarma J, Garg S. 6130Next generation P2Y12 inhibitors improve survival in ACS: An analysis from the British Cardiovascular Intervention Society database. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.6130] [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: 11/13/2022] Open
Affiliation(s)
- S G Anderson
- University of Manchester, Institute of Cardiovascular Sciences, Manchester, United Kingdom
| | - H Contractor
- University Hospital of South Manchester NHS Foundation Trust, North West Heart Centre, Manchester, United Kingdom
| | - S Saluja
- University of Manchester, Institute of Cardiovascular Sciences, Manchester, United Kingdom
| | - J Sarma
- University Hospital of South Manchester NHS Foundation Trust, North West Heart Centre, Manchester, United Kingdom
| | - S Garg
- Royal Blackburn Hospital, Blackburn, United Kingdom
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Mohapatra SS, Roy R, Mohan P, Upadhyaya T, Sarma J. Phytochemical Analysis and Hepatoprotective Effect of Hydroethanolic Extract of Stem Bark of Oroxylum indicum. ACTA ACUST UNITED AC 2018. [DOI: 10.20546/ijcmas.2018.701.120] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Lagan J, Naish J, Clark D, Foden P, Caldwell J, Trafford A, Critchley W, Fildes J, Reid A, Lewis G, Sarma J, Schmitt M, Miller C. P3358In vivo evidence of chronic myocardial inflammation in ischaemic cardiomyopathy using USPIO enhanced cardiovascular magnetic resonance. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx504.p3358] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Lazzarini E, Carter PR, De Boer M, Balbi C, Altieri P, Pfeffer U, Gambini E, Varesio L, Bosco MC, Coviello D, Pompilio G, Brunelli C, Cancedda R, Ameri P, Bollini S, Mcgowan J, Uppal H, Chandran S, Sarma J, Potluri R, Octavia Y, De Kleijnen MGJ, Van Thiel BS, Ridwan Y, Te Lintel Hekkert M, Van Der Pluijm I, Essers J, Hoeijmakers JH, Duncker DJ. Mechanisms of Cancer-related Cardiomyopathy67Protection against chemotherapy cardiotoxicity by the human amniotic fluid stem cell secretome: a new tool for future paracrine therapy68Hyperlipidaemia reduces mortality in breast, prostate, lung and bowel cancer69DNA-repair in cardiomyocytes is critical for maintaining cardiac function. Cardiovasc Res 2016. [DOI: 10.1093/cvr/cvw130] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Rasoul D, Ziaei F, Shan SKA, Khan J, Bhayani R, Shakir S, Uppal H, Chandran S, Sarma J, Potluri R. 11 The Decennial Relationship between Heart Failure and Atrial Fibrillation – A Large Population Study. Heart 2016. [DOI: 10.1136/heartjnl-2016-309890.11] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Rabha B, Sarma J, Rabha G. Abnormally long umbilical cord – A case report. J ANAT SOC INDIA 2015. [DOI: 10.1016/j.jasi.2015.07.205] [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]
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Choudhury PR, Talukdar K, Sarma J, Baruah P. Study of Anomalies Associated With Labiopalatine Clefting. National Journal of Clinical Anatomy 2012. [DOI: 10.1055/s-0039-3401658] [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: 10/24/2022] Open
Abstract
Abstract
Background and aims: Cleft lip with or without cleft palate are the most common congenital malformations of the head and neck accounting for about 65% of all anomalies of this region. Approximately 70% of cleft cases are non-syndromic and occur as isolated condition, while remaining 30% cases are associated with systemic defects involving cardiovascular, musculoskeletal, genitourinary system and other structural anomalies. The purpose of this study is to assess the various anomalies associated with labiopalatine clefting. Materials and methods: Sixty four cases of cleft lip with or without cleft palate attending the OPD of Department of Plastic Surgery and Pediatric Surgery, Gauhati Medical College and Hospital, were studied. Among them three cases were found to be associated with other anomalies. Results: One case of cleft lip and palate presented with multiple anomalies like tongue tie, malformed external ear and micrognathia. Another one had acyanotic heart disease associated with cleft lip. A case of cleft lip and palate was also found to be associated with hydrocephalus. Conclusion : Proper knowledge and details of anomalies associated with orofacial cleft will help to provide necessary treatment and improve survival of these children.
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Affiliation(s)
| | - K.L. Talukdar
- Professor, Department of Anatomy, Gauhati Medical College, Guwahati, Assam
| | - J. Sarma
- Professor, Department of Anatomy, Gauhati Medical College, Guwahati, Assam
| | - Prabahita Baruah
- Postgraduate trainee, Department of Anatomy, Gauhati Medical College, Guwahati, Assam
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Choudhury P, Talukdar KL, Sarma J, Baruah P. Study of anomalies associated with labiopalatine clefting. Natl J Clin Anat 2012. [DOI: 10.4103/2277-4025.298063] [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: 11/04/2022] Open
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Bagga V, Silakari O, Ghorela VS, Bahia MS, Rambabu G, Sarma J. A three-dimensional pharmacophore modelling of ITK inhibitors and virtual screening for novel inhibitors. SAR QSAR Environ Res 2011; 22:171-190. [PMID: 21391146 DOI: 10.1080/1062936x.2010.510480] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Interleukin-2-inducible T-cell kinase (ITK) is a key member of the Tec family of non-receptor tyrosine kinases, and has been found to be a novel target for a number of inflammatory and autoimmune diseases. A three-dimensional pharmacophore model has been generated for protein ITK from its known inhibitors. The best HypoGen model consisted of four pharmacophore features: one hydrogen bond acceptor, one hydrogen bond donor and two hydrophobic rings. This model showed a correlation coefficient of 0.947, a root mean square deviation of 0.914 and a configuration cost of 16.866. The model was validated using test set prediction and Fischer's test. A test set containing 204 compounds showed an r(2) of 0.745 between estimated activity and activity measured experimentally. Fisher's test gave a confidence level of 95%. The best pharmacophore model (Hypo1) was then employed for virtual screening (3D database searching), including Lipinsiki's filter, to obtain a pool of more drug-like molecules. The molecular pool thus retrieved was subjected to docking analysis with a study protein to remove any molecules showing false positive activity for ITK.
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Affiliation(s)
- V Bagga
- Department of Pharmaceutical Science and Drug Research, Punjabi University, Patiala, Punjab, India
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Din JN, Aftab SM, Jubb AW, Carnegy FH, Lyall K, Sarma J, Newby DE, Flapan AD. Effect of moderate walnut consumption on lipid profile, arterial stiffness and platelet activation in humans. Eur J Clin Nutr 2010; 65:234-9. [PMID: 21048773 PMCID: PMC3033322 DOI: 10.1038/ejcn.2010.233] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Background/Objectives A large intake of walnuts may improve lipid profile and endothelial function. The effect of moderate walnut consumption is not known. We investigated whether a moderate intake of walnuts would affect lipid profile, arterial stiffness and platelet activation in healthy volunteers. Subjects/Methods Thirty healthy males were recruited into a single-blind randomised controlled crossover trial of 4 weeks dietary walnut supplementation (15 g/day) and 4 weeks control (no walnuts). Arterial stiffness was assessed using pulse waveform analysis to determine the augmentation index and augmented pressure. Platelet activation was determined using flow cytometry to measure circulating platelet-monocyte aggregates. Results There were no differences in lipid profile after 4 weeks of walnut supplementation compared with control. Dietary intake of alpha-linolenic acid was increased during the walnut diet (2.1±0.4 g/day versus 0.7±0.4 g/day, P<0.0001). There were no differences in augmentation index or augmented pressure during walnut supplementation. Walnut supplementation did not affect platelet-monocyte aggregation . Conclusions Dietary intervention with a moderate intake of walnuts does not affect lipid profile, arterial stiffness or platelet activation in man. Our results suggest that the potentially beneficial cardiac effects of walnuts may not be apparent at lower and more practical levels of consumption.
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Affiliation(s)
- J N Din
- Centre for Cardiovascular Sciences, University of Edinburgh, 49 Little France Crescent, Edinburgh, UK.
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Appleby CE, Sarma J, Chowdhary S. Chronic stent thrombosis. Postgrad Med J 2010; 86:309. [DOI: 10.1136/pgmj.2009.091553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Robinson SD, Harding SA, Cummins P, Din JN, Sarma J, Davidson I, Fox KAA, Boon NA, Newby DE. Functional interplay between platelet activation and endothelial dysfunction in patients with coronary heart disease. Platelets 2009; 17:158-62. [PMID: 16702042 DOI: 10.1080/17476930500454514] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Platelet-monocyte binding and surface P-selectin expression are sensitive markers of platelet activation. Endothelium-derived factors are known to inhibit platelet activation and may confer important anti-atherothrombotic effects. We assessed the relationship between platelet activation and endothelium-dependent vasomotion in patients with coronary heart disease (CHD). Twenty male patients with stable CHD were compared with 20 healthy men. Platelet-monocyte binding and platelet surface expression of P-selectin were assessed using two-colour flow cytometry on whole blood. Forearm blood flow was assessed in patients using venous occlusion plethysmography during intra-arterial infusions of substance P, acetylcholine and sodium nitroprusside. Platelet activation was higher in patients than healthy men (platelet-monocyte binding, 27 +/- 3 vs. 20 +/- 1%; P < 0.05). In patients with CHD, there was an inverse correlation between maximal substance P induced vasodilatation and both platelet-monocyte binding (P = 0.003) and P-selectin expression (P = 0.02). A similar correlation was observed between platelet-monocyte binding and the vasomotor response to acetylcholine (P = 0.08) but not with sodium nitroprusside. In patients with stable coronary heart disease, there is a strong inverse relationship between markers of platelet activation and endothelium-dependent vasomotor function. This may explain the pathophysiological mechanism linking endothelial vasomotor dysfunction and the risk of acute atherothrombotic events.
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Affiliation(s)
- S D Robinson
- Centre for Cardiovascular Science, University of Edinburgh, UK.
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Affiliation(s)
- B De Bruyne
- Cardiovascular Centre Aalst, OLV-Clinic, Moorselbaan, Aalst, Belgium.
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Harding SA, Sarma J, Din JN, Maciocia PM, Newby DE, Fox KAA. Clopidogrel reduces platelet-leucocyte aggregation, monocyte activation and RANTES secretion in type 2 diabetes mellitus. Heart 2006; 92:1335-7. [PMID: 16908717 PMCID: PMC1861162 DOI: 10.1136/hrt.2005.083006] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Abstract
OBJECTIVES To determine the in vitro effects of unfractionated heparin, fractionated heparin and direct thrombin inhibition on platelet-monocyte aggregation, and to establish the in vivo effects of unfractionated heparin and direct thrombin inhibition on platelet-monocyte aggregates in patients scheduled for percutaneous coronary intervention (PCI). DESIGN Platelet-monocyte aggregates were assessed in whole blood from 18 healthy volunteers after the addition of unfractionated heparin (1 U/ml), enoxaparin (0.8 U/ml) or lepirudin (5.6 microg/ml), and in 28 patients scheduled for elective PCI before and after administration of 100 U/kg of unfractionated heparin or 0.75 mg/kg bivalirudin. The influence of P-selectin-mediated platelet-monocyte aggregation was assessed with specific blocking antibodies. RESULTS Addition of unfractionated heparin in vitro was associated with a higher level of platelet-monocyte aggregates than in controls (20.1 (1.9)% v 16.2 (1.6)%, respectively, p < 0.001). However, platelet-monocyte aggregation was not affected by enoxaparin or lepirudin (16.9 (2.0)% and 17.0 (2.2)%, respectively, NS). Intravenous unfractionated heparin in vivo also resulted in an increase in platelet-monocyte aggregates (absolute Delta 7.1 (2.7)%, p < 0.01), whereas intravenous bivalirudin had no effect (absolute Delta -1.5 (2.4)%, NS). The addition of P-selectin blockade abolished any increase in platelet-monocyte aggregates associated with heparin. CONCLUSIONS In vitro and in vivo unfractionated heparin is associated with increased platelet-monocyte aggregation through a P-selectin-dependent mechanism. These findings provide a potential explanation for the superior cardiovascular outcomes associated with fractionated heparins and direct thrombin inhibitors.
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Affiliation(s)
- S A Harding
- Centre for Cardiovascular Sciences, University of Edinburgh, Edinburgh, UK
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Din J, Harding S, Valerio C, Sarma J, Newby D, Flapan A. W03-O-002 Dietary supplementation with oily fish reduces platelet-monocyte aggregation in man. ATHEROSCLEROSIS SUPP 2005. [DOI: 10.1016/s1567-5688(05)80046-7] [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: 12/01/2022]
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Harding SA, Sommerfield AJ, Sarma J, Twomey PJ, Newby DE, Frier BM, Fox KAA. Increased CD40 ligand and platelet–monocyte aggregates in patients with type 1 diabetes mellitus. Atherosclerosis 2004; 176:321-5. [PMID: 15380455 DOI: 10.1016/j.atherosclerosis.2004.05.008] [Citation(s) in RCA: 76] [Impact Index Per Article: 3.8] [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: 11/13/2003] [Revised: 04/15/2004] [Accepted: 05/12/2004] [Indexed: 01/04/2023]
Abstract
BACKGROUND Diabetes mellitus is a major risk factor for cardiovascular disease and is associated with a proinflammatory and prothrombotic state. We investigated whether CD40 ligand (L) expression and platelet-monocyte aggregation are increased in patients with type 1 diabetes. METHODS Serum C-reactive protein (CRP) and soluble (s) CD40L concentrations, platelet surface CD40L expression and platelet-monocyte aggregates were measured in 22 patients with uncomplicated type 1 diabetes and 22 age- and sex-matched non-diabetic control subjects. RESULTS In comparison to controls, patients with type 1 diabetes had higher serum CRP concentrations (3.29 +/- 0.9 mg/L versus 0.99 +/- 0.2mg/L, P = 0.01), serum sCD40L concentrations (10.0 +/- 1.4 ng/mL versus 4.6 +/- 0.6 ng/mL, P = 0.006), and platelet surface expression of CD40L (13.8 +/- 0.9% versus 8.5 +/- 1.1%, P < 0.001). Platelet-monocyte aggregates were also significantly elevated in type 1 diabetes (35.9 +/- 3.3% versus 26.4 +/- 2.9%, P = 0.005; n = 10). We also observed a significant correlation between plasma glucose and serum CRP (r = 0.53, P = 0.01) as well as platelet-monocyte aggregates (r = 0.69, P = 0.03). CONCLUSIONS Type 1 diabetes is associated with increased CD40L expression and platelet-monocyte aggregation, which may contribute to the proinflammatory and prothrombotic state as well as the accelerated atherogenesis associated with this disorder.
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Affiliation(s)
- S A Harding
- Cardiovascular Research Unit, Royal Infirmary of Edinburgh, Edinburgh EH16 4SB, Scotland, UK
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Harding SA, Sarma J, Josephs DH, Cruden NL, Din JN, Twomey PJ, Fox KAA, Newby DE. Upregulation of the CD40/CD40 Ligand Dyad and Platelet-Monocyte Aggregation in Cigarette Smokers. Circulation 2004; 109:1926-9. [PMID: 15078798 DOI: 10.1161/01.cir.0000127128.52679.e4] [Citation(s) in RCA: 88] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Smoking is a potent cardiovascular risk factor and is associated with proinflammatory and prothrombotic responses. The CD40/CD40 ligand (CD40L) dyad and platelet-monocyte aggregation mediate a range of proinflammatory and prothrombotic processes thought to be important in atherothrombosis. We investigated whether expression of the CD40/CD40L dyad and platelet-monocyte aggregation are altered in cigarette smokers. METHODS AND RESULTS C-reactive protein (CRP), soluble (s) CD40L, and surface expression of CD40L on platelets and T cells and of CD40 on monocytes and platelet-monocyte aggregates were compared in 25 cigarette smokers and 25 age- and gender-matched nonsmokers. Cigarette smokers had increased serum CRP (2.47+/-2.60 versus 0.94+/-0.96 mg/L, P=0.008) and appeared to have elevated plasma sCD40L (0.8+/-1.09 versus 0.37+/-0.21 ng/mL, P=0.07) concentrations. Smokers also had increased surface expression of CD40 on monocytes (45.9+/-7.7% versus 39.9+/-6.5%, P=0.006), of CD40L on platelets (2.9+/-1.0% versus 2.3+/-0.6%, P=0.03), and of platelet-monocyte aggregates (26.6+/-10.9% versus 19.7+/-8.6%, P=0.02). Plasma cotinine concentrations correlated with monocyte CD40 expression, platelet CD40L expression, and platelet-monocyte aggregates. CONCLUSIONS Cigarette smokers have upregulation of the CD40/CD40L dyad and platelet-monocyte aggregation that may account for the atherothrombotic consequences of this major cardiovascular risk factor.
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Affiliation(s)
- S A Harding
- Centre for Cardiovascular Sciences, Royal Infirmary of Edinburgh, Edinburgh, United Kingdom
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Todd DM, Hubner PJ, Hudson N, Sarma J, McCance AJ, Caplin J. Multicentre, prospective, randomized trial of 4 vs. 6 French catheters in 410 patients undergoing coronary angiography. Catheter Cardiovasc Interv 2001; 54:269-75. [PMID: 11747148 DOI: 10.1002/ccd.1283] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The aim of this study was to assess the quality of angiograms obtained using 4 Fr catheters compared with 6 Fr catheters, the ease of use of the 4 Fr catheters, and the safety of patient mobilization 1 hr following 4 Fr angiography. Details of catheter performance and procedural details were recorded at the time of the angiogram. The angiographic images were scored on the quality and completeness of vessel opacification throughout systole and diastole. A total of 410 patients were recruited. There was no difference between 4 and 6 Fr for procedural variables. All angiograms were considered to be of diagnostic quality. The angiographic scores for the right coronary artery and left ventricular injections were no different between 4 and 6 Fr. However, the angiographic scores for the left anterior descending and circumflex arteries were lower with 4 than with 6 Fr (both P < 0.05). Patients who had 4 Fr angiography mobilized safely at 1 hr and reported significantly less discomfort and bruising than 6 Fr patients. Good-quality diagnostic coronary angiograms can be achieved using 4 Fr catheters with the advantage of earlier postprocedural mobilization and reduced discomfort and bruising for the patient.
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Affiliation(s)
- D M Todd
- Glenfield Hospital, Leicester, UK.
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Sarma J, Tandan SK, Hajare SW, Kumar D, Raviprakash V. Effect of centrally administered nitric oxide modulators in Brewer's yeast-induced nociception in rats. Indian J Exp Biol 2000; 38:1123-8. [PMID: 11395956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Abstract
Possible modulation of Brewer's yeast-induced nociception by centrally (icv) administered nitric oxide (NO) modulators, viz., NO synthase (NOS) inhibitors, NO precursor, donors, scavengers and co-administration of NO donor (SIN-1) with NOS inhibitor (L-NAME) and NO scavenger (Hb) was investigated in rats. Administration of NOS inhibitors and NO scavenger Hb increased the pain threshold capacity significantly, whereas NO donors SIN-1, SNP and NO precursor L-arginine were found to be hyperalgesic. D-arginine, the inactive isomer of L-arginine and methylene blue, inhibitor of soluble guanylate cyclase failed to alter the nociceptive behaviour in rats. Co-administration of SIN-1 with L-NAME and Hb found to increase the nociceptive threshold. The results indicate, that centrally administered NO modulators alter the nociceptive transmission induced by Brewer's yeast in rats.
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Affiliation(s)
- J Sarma
- Division of Pharmacology and Toxicology, Indian Veterinary Research Institute, Izatnagar 243 122, India
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Verma J, Srikar L, Sudhakara N, Sarma J. Effects of frozen storage on lipid freshness parameters and some functional properties of oil sardine (Sardinella longiceps) mince. Food Res Int 1995. [DOI: 10.1016/0963-9969(95)93336-s] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.1] [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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Boström U, Sarma J. [Laryngeal mask--a new method for free airways in anesthesia and emergency care]. Lakartidningen 1991; 88:2375-6. [PMID: 1857159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- U Boström
- Båda vid anestesikliniken, Piteå lasarett
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Dutta LC, Dutta D, Mahanty P, Sarma J. Study of fungus keratitis. Indian J Ophthalmol 1981; 29:407-9. [PMID: 7346468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
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