Expert London Cardiologist for your Heart Health

Publications

Recent Publications

Clinical research drives excellence in healthcare.  Dr Nijjer has been involved in ground-breaking research which has lead to meaningful improvement in patient care.

The following is a list of recent peer-reviewed publications by Dr Nijjer.

Cook CM; Howard JP; Ahmad Y; Shun-Shin MJ; Sethi A; Clesham GJ; Tang KH; Nijjer SS; Kelly PA; Davies JR; Malik IS; Kaprielian R; Mikhail G; Petraco R; Warisawa T; Al-Janabi F; Karamasis GV; Mohdnazri S; Gamma R; de Waard GA; Al-Lamee R; Keeble TR; Mayet J; Sen S; Francis DP; Davies JE, 2020. How Do Fractional Flow Reserve, Whole-Cycle PdPa, and Instantaneous Wave-Free Ratio Correlate With Exercise Coronary Flow Velocity During Exercise-Induced Angina?  Circ Cardiovasc Interv 13(4):e008460

Cook CM; Ahmad Y; Howard JP; Shun-Shin MJ; Sethi A; Clesham GJ; Tang KH; Nijjer SS; Kelly PA; Davies JR; Malik IS; Kaprielian R; Mikhail G; Petraco R; Warisawa T; Al-Janabi F; Karamasis GV; Mohdnazri S; Gamma R; de Waard GA; Al-Lamee R; Keeble TR; Mayet J; Sen S; Francis DP; Davies JE, 2019. Association Between Physiological Stenosis Severity and Angina-Limited Exercise Time in Patients With Stable Coronary Artery Disease.  JAMA Cardiol 4(6):569-574

Ahmad Y; Vendrik J; Eftekhari A; Howard JP; Cook C; Rajkumar C; Malik I; Mikhail G; Ruparelia N; Hadjiloizou N; Nijjer S; Al-Lamee R; Petraco R; Warisawa T; Wijntjens GWM; Koch KT; van de Hoef T; de Waard G; Echavarria-Pinto M; Frame A; Sutaria N; Kanaganayagam G; Ariff B; Anderson J; Chukwuemeka A; Fertleman M; Koul S; Iglesias JF; Francis D; Mayet J; Serruys P; Davies J; Escaned J; van Royen N; Götberg M; Juhl Terkelsen C; Høj Christiansen E; Piek JJ; Baan J Jr; Sen S, 2019. Determining the Predominant Lesion in Patients With Severe Aortic Stenosis and Coronary Stenoses: A Multicenter Study Using Intracoronary Pressure and Flow.  Circ Cardiovasc Interv 12(12):e008263

Garcia D; Harbaoui B; van de Hoef TP; Meuwissen M; Nijjer SS; Echavarria-Pinto M; Davies JE; Piek JJ; Lantelme P, 2019. Relationship between FFR, CFR and coronary microvascular resistance - Practical implications for FFR-guided percutaneous coronary intervention.  PLoS One 14(1):e0208612

Sen S; Ahmad Y; Dehbi HM; Howard JP; Iglesias JF; Al-Lamee R; Petraco R; Nijjer S; Bhindi R; Lehman S; Walters D; Sapontis J; Janssens L; Vrints CJ; Khashaba A; Laine M; Van Belle E; Krackhardt F; Bojara W; Going O; Härle T; Indolfi C; Niccoli G; Ribichini F; Tanaka N; Yokoi H; Takashima H; Kikuta Y; Erglis A; Vinhas H; Silva PC; Baptista SB; Alghamdi A; Hellig F; Koo BK; Nam CW; Shin ES; Doh JH; Brugaletta S; Alegria-Barrero E; Meuwissen M; Piek JJ; van Royen N; Sezer M; Di Mario C; Gerber RT; Malik IS; Sharp ASP; Talwar S; Tang K; Samady H; Altman J; Seto AH; Singh J; Jeremias A; Matsuo H; Kharbanda RK; Patel MR; Serruys P; Escaned J; Davies JE, 2019. Clinical Events After Deferral of LAD Revascularization Following Physiological Coronary Assessment.  J Am Coll Cardiol 73(4):444-453

de Waard GA; Broyd CJ; Cook CM; van der Hoeven NW; Petraco R; Nijjer SS; van de Hoef TP; Echavarria-Pinto M; Meuwissen M; Sen S; Knaapen P; Escaned J; Piek JJ; van Royen N; Davies JE, 2019. Diastolic-systolic velocity ratio to detect coronary stenoses under physiological resting conditions: a mechanistic study.  Open Heart 6(1):e000968

Seligman H; Shun-Shin MJ; Vasireddy A; Cook C; Ahmad YY; Howard J; Sen S; Al-Lamee R; Nijjer S; Chamie D; Davies J; Mayet J; Francis DP; Petraco R, 2019. Fractional flow reserve derived from microcatheters versus standard pressure wires: a stenosis-level meta-analysis.  Open Heart 6(1):e000971

Warisawa T; Cook CM; Howard JP; Ahmad Y; Doi S; Nakayama M; Goto S; Yakuta Y; Karube K; Shun-Shin MJ; Petraco R; Sen S; Nijjer S; Al Lamee R; Ishibashi Y; Matsuda H; Escaned J; di Mario C; Francis DP; Akashi YJ; Davies JE, 2019. Physiological Pattern of Disease Assessed by Pressure-Wire Pullback Has an Influence on Fractional Flow Reserve/Instantaneous Wave-Free Ratio Discordance.  Circ Cardiovasc Interv 12(5):e007494

Lee JM; Choi KH; Koo BK; Dehbi HM; Doh JH; Nam CW; Shin ES; Cook CM; Al-Lamee R; Petraco R; Sen S; Malik IS; Nijjer SS; Mejía-Rentería H; Alegria-Barrero E; Alghamdi A; Altman J; Baptista SB; Bhindi R; Bojara W; Brugaletta S; Silva PC; Di Mario C; Erglis A; Gerber RT; Going O; Härle T; Hellig F; Indolfi C; Janssens L; Jeremias A; Kharbanda RK; Khashaba A; Kikuta Y; Krackhardt F; Laine M; Lehman SJ; Matsuo H; Meuwissen M; Niccoli G; Piek JJ; Ribichini F; Samady H; Sapontis J; Seto AH; Sezer M; Sharp ASP; Singh J; Takashima H; Talwar S; Tanaka N; Tang K; Van Belle E; van Royen N; Vinhas H; Vrints CJ; Walters D; Yokoi H; Samuels B; Buller C; Patel MR; Serruys P; Escaned J; Davies JE, 2019. Comparison of Major Adverse Cardiac Events Between Instantaneous Wave-Free Ratio and Fractional Flow Reserve-Guided Strategy in Patients With or Without Type 2 Diabetes: A Secondary Analysis of a Randomized Clinical Trial.  JAMA Cardiol.

Howard JP; Cook CM; van de Hoef TP; Meuwissen M; de Waard GA; van Lavieren MA; Echavarria-Pinto M; Danad I; Piek JJ; Götberg M; Al-Lamee RK; Sen S; Nijjer SS; Seligman H; van Royen N; Knaapen P; Escaned J; Francis DP; Petraco R; Davies JE, 2019. Artificial Intelligence for Aortic Pressure Waveform Analysis During Coronary Angiography: Machine Learning for Patient Safety.  JACC Cardiovasc Interv 12(20):2093-2101

Kim CH; Koo BK; Dehbi HM; Lee JM; Doh JH; Nam CW; Shin ES; Cook CM; Al-Lamee R; Petraco R; Sen S; Malik IS; Nijjer SS; Mejía-Rentería H; Alegria-Barrero E; Alghamdi A; Altman J; Baptista SB; Bhindi R; Bojara W; Brugaletta S; Silva PC; Di Mario C; Erglis A; Gerber RT; Going O; Härle T; Hellig F; Indolfi C; Janssens L; Jeremias A; Kharbanda RK; Khashaba A; Kikuta Y; Krackhardt F; Laine M; Lehman SJ; Matsuo H; Meuwissen M; Niccoli G; Piek JJ; Ribichini F; Samady H; Sapontis J; Seto AH; Sezer M; Sharp ASP; Singh J; Takashima H; Talwar S; Tanaka N; Tang K; Van Belle E; van Royen N; Vinhas H; Vrints CJ; Walters D; Yokoi H; Samuels B; Buller C; Patel MR; Serruys PW; Escaned J; Davies JE, 2019. Sex Differences in Instantaneous Wave-Free Ratio or Fractional Flow Reserve-Guided Revascularization Strategy.  JACC Cardiovasc Interv 12(20):2035-2046

Al-Lamee RK; Shun-Shin MJ; Howard JP; Nowbar AN; Rajkumar C; Thompson D; Sen S; Nijjer S; Petraco R; Davies J; Keeble T; Tang K; Malik I; Bual N; Cook C; Ahmad Y; Seligman H; Sharp ASP; Gerber R; Talwar S; Assomull R; Cole G; Keenan NG; Kanaganayagam G; Sehmi J; Wensel R; Harrell FE Jr; Mayet J; Thom S; Davies JE; Francis DP, 2019. Dobutamine Stress Echocardiography Ischemia as a Predictor of the Placebo-Controlled Efficacy of Percutaneous Coronary Intervention in Stable Coronary Artery Disease: The Stress Echocardiography-Stratified Analysis of ORBITA.  Circulation 140(24):1971-1980

van der Hoeven NW; de Waard GA; Quirós A; De Hoyos A; Broyd CJ; Nijjer SS; van de Hoef TP; Petraco R; Driessen RS; Mejía-Rentería H; Kikuta Y; Echavarría Pinto M; van de Ven PM; Meuwissen M; Knaapen P; Piek JJ; Davies JE; van Royen N; Escaned J, 2019. Comprehensive physiological evaluation of epicardial and microvascular coronary domains using vascular conductance and zero flow pressure.  EuroIntervention 14(15):e1593-e1600

Nijjer SS, 2018. Clinical outcomes of potent antiplatelets compared with clopidogrel in ST elevation myocardial infarction.  Heart 104(20):1645-1646

Al-Lamee R; Thompson D; Dehbi HM; Sen S; Tang K; Davies J; Keeble T; Mielewczik M; Kaprielian R; Malik IS; Nijjer SS; Petraco R; Cook C; Ahmad Y; Howard J; Baker C; Sharp A; Gerber R; Talwar S; Assomull R; Mayet J; Wensel R; Collier D; Shun-Shin M; Thom SA; Davies JE; Francis DP, 2018. Percutaneous coronary intervention in stable angina (ORBITA): a double-blind, randomised controlled trial.  Lancet 391(10115):31-40

Petraco R; Dehbi HM; Howard JP; Shun-Shin MJ; Sen S; Nijjer SS; Mayet J; Davies JE; Francis DP, 2018. Effects of disease severity distribution on the performance of quantitative diagnostic methods and proposal of a novel 'V-plot' methodology to display accuracy values.  Open Heart 5(1):e000663

Rajkumar CA; Nijjer SS; Cole GD; Al-Lamee R; Francis DP, 2018. 'Faith Healing' and 'Subtraction Anxiety' in Unblinded Trials of Procedures: Lessons from DEFER and FAME-2 for End Points in the ISCHEMIA Trial.  Circ Cardiovasc Qual Outcomes 11(3):e004665

Kikuta Y; Cook CM; Sharp ASP; Salinas P; Kawase Y; Shiono Y; Giavarini A; Nakayama M; De Rosa S; Sen S; Nijjer SS; Al-Lamee R; Petraco R; Malik IS; Mikhail GW; Kaprielian RR; Wijntjens GWM; Mori S; Hagikura A; Mates M; Mizuno A; Hellig F; Lee K; Janssens L; Horie K; Mohdnazri S; Herrera R; Krackhardt F; Yamawaki M; Davies J; Takebayashi H; Keeble T; Haruta S; Ribichini F; Indolfi C; Mayet J; Francis DP; Piek JJ; Di Mario C; Escaned J; Matsuo H; Davies JE, 2018. Pre-Angioplasty Instantaneous Wave-Free Ratio Pullback Predicts Hemodynamic Outcome In Humans With Coronary Artery Disease: Primary Results of the International Multicenter iFR GRADIENT Registry.  JACC Cardiovasc Interv 11(8):757-767

Al-Lamee R; Howard JP; Shun-Shin MJ; Thompson D; Dehbi HM; Sen S; Nijjer S; Petraco R; Davies J; Keeble T; Tang K; Malik IS; Cook C; Ahmad Y; Sharp ASP; Gerber R; Baker C; Kaprielian R; Talwar S; Assomull R; Cole G; Keenan NG; Kanaganayagam G; Sehmi J; Wensel R; Harrell FE; Mayet J; Thom SA; Davies JE; Francis DP, 2018. Fractional Flow Reserve and Instantaneous Wave-Free Ratio as Predictors of the Placebo-Controlled Response to Percutaneous Coronary Intervention in Stable Single-Vessel Coronary Artery Disease.  Circulation 138(17):1780-1792

Broyd CJ; Rigo F; Nijjer S; Sen S; Petraco R; Al-Lamee R; Foin N; Chukwuemeka A; Anderson J; Parker J; Malik IS; Mikhail GW; Francis DP; Parker K; Hughes AD; Mayet J; Davies JE, 2018. Regression of left ventricular hypertrophy provides an additive physiological benefit following treatment of aortic stenosis: Insights from serial coronary wave intensity analysis.  Acta Physiol (Oxf) 224(4):e13109

Escaned J; Ryan N; Mejía-Rentería H; Cook CM; Dehbi HM; Alegria-Barrero E; Alghamdi A; Al-Lamee R; Altman J; Ambrosia A; Baptista SB; Bertilsson M; Bhindi R; Birgander M; Bojara W; Brugaletta S; Buller C; Calais F; Silva PC; Carlsson J; Christiansen EH; Danielewicz M; Di Mario C; Doh JH; Erglis A; Erlinge D; Gerber RT; Going O; Gudmundsdottir I; Härle T; Hauer D; Hellig F; Indolfi C; Jakobsen L; Janssens L; Jensen J; Jeremias A; Kåregren A; Karlsson AC; Kharbanda RK; Khashaba A; Kikuta Y; Krackhardt F; Koo BK; Koul S; Laine M; Lehman SJ; Lindroos P; Malik IS; Maeng M; Matsuo H; Meuwissen M; Nam CW; Niccoli G; Nijjer SS; Olsson H; Olsson SE; Omerovic E; Panayi G; Petraco R; Piek JJ; Ribichini F; Samady H; Samuels B; Sandhall L; Sapontis J; Sen S; Seto AH; Sezer M; Sharp ASP; Shin ES; Singh J; Takashima H; Talwar S; Tanaka N; Tang K; Van Belle E; van Royen N; Varenhorst C; Vinhas H; Vrints CJ; Walters D; Yokoi H; Fröbert O; Patel MR; Serruys P; Davies JE; Götberg M, 2018. Safety of the Deferral of Coronary Revascularization on the Basis of Instantaneous Wave-Free Ratio and Fractional Flow Reserve Measurements in Stable Coronary Artery Disease and Acute Coronary Syndromes.  JACC Cardiovasc Interv 11(15):1437-1449

Cook CM; Ahmad Y; Howard JP; Shun-Shin MJ; Sethi A; Clesham GJ; Tang KH; Nijjer SS; Kelly PA; Davies JR; Malik IS; Kaprielian R; Mikhail G; Petraco R; Al-Janabi F; Karamasis GV; Mohdnazri S; Gamma R; Al-Lamee R; Keeble TR; Mayet J; Sen S; Francis DP; Davies JE, 2018. Impact of Percutaneous Revascularization on Exercise Hemodynamics in Patients With Stable Coronary Disease.  J Am Coll Cardiol 72(9):970-983

Cook CM; Jeremias A; Petraco R; Sen S; Nijjer S; Shun-Shin MJ; Ahmad Y; de Waard G; van de Hoef T; Echavarria-Pinto M; van Lavieren M; Al Lamee R; Kikuta Y; Shiono Y; Buch A; Meuwissen M; Danad I; Knaapen P; Maehara A; Koo BK; Mintz GS; Escaned J; Stone GW; Francis DP; Mayet J; Piek JJ; van Royen N; Davies JE, 2017. Fractional Flow Reserve/Instantaneous Wave-Free Ratio Discordance in Angiographically Intermediate Coronary Stenoses: An Analysis Using Doppler-Derived Coronary Flow Measurements.  JACC Cardiovasc Interv 10(24):2514-2524

Götberg M; Cook CM; Sen S; Nijjer S; Escaned J; Davies JE, 2017. The Evolving Future of Instantaneous Wave-Free Ratio and Fractional Flow Reserve.  J Am Coll Cardiol 70(11):1379-1402

Cook CM; Petraco R; Shun-Shin MJ; Ahmad Y; Nijjer S; Al-Lamee R; Kikuta Y; Shiono Y; Mayet J; Francis DP; Sen S; Davies JE, 2017. Diagnostic Accuracy of Computed Tomography-Derived Fractional Flow Reserve : A Systematic Review.  JAMA Cardiol 2(7):803-810

Echavarría-Pinto M; van de Hoef TP; Nijjer S; Gonzalo N; Nombela-Franco L; Ibañez B; Sen S; Petraco R; Jimenez-Quevedo P; Nuñez-Gil IJ; Cerrato E; Salinas P; Quirós A; Garcia-Garcia HM; Fernandez-Ortiz A; Macaya C; Davies J; Piek JJ; Escaned J, 2017. Influence of the amount of myocardium subtended to a coronary stenosis on the index of microcirculatory resistance. Implications for the invasive assessment of microcirculatory function in ischaemic heart disease.  EuroIntervention 13(8):944-952

Davies JE; Sen S; Dehbi HM; Al-Lamee R; Petraco R; Nijjer SS; Bhindi R; Lehman SJ; Walters D; Sapontis J; Janssens L; Vrints CJ; Khashaba A; Laine M; Van Belle E; Krackhardt F; Bojara W; Going O; Härle T; Indolfi C; Niccoli G; Ribichini F; Tanaka N; Yokoi H; Takashima H; Kikuta Y; Erglis A; Vinhas H; Canas Silva P; Baptista SB; Alghamdi A; Hellig F; Koo BK; Nam CW; Shin ES; Doh JH; Brugaletta S; Alegria-Barrero E; Meuwissen M; Piek JJ; van Royen N; Sezer M; Di Mario C; Gerber RT; Malik IS; Sharp ASP; Talwar S; Tang K; Samady H; Altman J; Seto AH; Singh J; Jeremias A; Matsuo H; Kharbanda RK; Patel MR; Serruys P; Escaned J, 2017. Use of the Instantaneous Wave-free Ratio or Fractional Flow Reserve in PCI.  N Engl J Med 376(19):1824-1834

Nijjer SS; Luther V; Lefroy DC, 2017. Diagnosis of ventricular tachycardia.  Br J Hosp Med (Lond) 78(1):C2-C5

Luther V; Nijjer SS; Lefroy DC, 2017. Management of ventricular tachycardia.  Br J Hosp Med (Lond) 78(1):C6-C9

van de Hoef TP; Petraco R; van Lavieren MA; Nijjer S; Nolte F; Sen S; Echavarria-Pinto M; Henriques JP; Koch KT; Baan J Jr; de Winter RJ; Siebes M; Spaan JA; Tijssen JG; Meuwissen M; Escaned J; Davies JE; Piek JJ, 2016. Basal stenosis resistance index derived from simultaneous pressure and flow velocity measurements.  EuroIntervention 12(2):e199-207

Echavarria-Pinto M; Petraco R; van de Hoef TP; Gonzalo N; Nijjer S; Tarkin JM; Ibanez B; Sen S; Jimenez-Quevedo P; Nunez-Gil IJ; Nombela-Franco L; Alfonso F; Fernandez-Ortiz A; Macaya C; Piek JJ; Davies J; Escaned J, 2016. Fractional flow reserve and minimum Pd/Pa ratio during intravenous adenosine infusion: very similar but not always the same.  EuroIntervention 11(9):1013-9

Nijjer SS; de Waard GA; Sen S; van de Hoef TP; Petraco R; Echavarría-Pinto M; van Lavieren MA; Meuwissen M; Danad I; Knaapen P; Escaned J; Piek JJ; Davies JE; van Royen N, 2016. Coronary pressure and flow relationships in humans: phasic analysis of normal and pathological vessels and the implications for stenosis assessment: a report from the Iberian-Dutch-English (IDEAL) collaborators.  Eur Heart J 37(26):2069-80

Broyd CJ; Nijjer S; Sen S; Petraco R; Jones S; Al-Lamee R; Foin N; Al-Bustami M; Sethi A; Kaprielian R; Ramrakha P; Khan M; Malik IS; Francis DP; Parker K; Hughes AD; Mikhail GW; Mayet J; Davies JE, 2016. Estimation of coronary wave intensity analysis using noninvasive techniques and its application to exercise physiology.  Am J Physiol Heart Circ Physiol 310(5):H619-27

Cook CM; Ahmad Y; Shun-Shin MJ; Nijjer S; Petraco R; Al-Lamee R; Mayet J; Francis DP; Sen S; Davies JE, 2016. Quantification of the Effect of Pressure Wire Drift on the Diagnostic Performance of Fractional Flow Reserve, Instantaneous Wave-Free Ratio, and Whole-Cycle Pd/Pa.  Circ Cardiovasc Interv 9(4):e002988

de Waard GA; Nijjer SS; van Lavieren MA; van der Hoeven NW; Petraco R; van de Hoef TP; Echavarría-Pinto M; Sen S; van de Ven PM; Knaapen P; Escaned J; Piek JJ; Davies JE; van Royen N, 2016. Invasive minimal Microvascular Resistance Is a New Index to Assess Microcirculatory Function Independent of Obstructive Coronary Artery Disease.  J Am Heart Assoc 5.

Ng J; Foin N; Ang HY; Fam JM; Sen S; Nijjer S; Petraco R; Di Mario C; Davies J; Wong P, 2016. Over-expansion capacity and stent design model: An update with contemporary DES platforms.  Int J Cardiol 221:171-9

Ahmad Y; Cook C; Shun-Shin M; Balu A; Keene D; Nijjer S; Petraco R; Baker CS; Malik IS; Bellamy MF; Sethi A; Mikhail GW; Al-Bustami M; Khan M; Kaprielian R; Foale RA; Mayet J; Davies JE; Francis DP; Sen S, 2016. Resolving the paradox of randomised controlled trials and observational studies comparing multi-vessel angioplasty and culprit only angioplasty at the time of STEMI.  Int J Cardiol 222:1-8

Ladwiniec A; White PA; Nijjer SS; O'Sullivan M; West NE; Davies JE; Hoole SP, 2016. Diastolic Backward-Traveling Decompression (Suction) Wave Correlates With Simultaneously Acquired Indices of Diastolic Function and Is Reduced in Left Ventricular Stunning.  Circ Cardiovasc Interv 9.

Foin N; Lee R; Bourantas C; Mattesini A; Soh N; Lim JE; Torii R; Ng J; Liang LH; Caiazzo G; Fabris E; Kilic ID; Onuma Y; Low AF; Nijjer S; Sen S; Petraco R; Al Lamee R; Davies JE; Di Mario C; Wong P; Serruys PW, 2016. Bioresorbable vascular scaffold radial expansion and conformation compared to a metallic platform: insights from in vitro expansion in a coronary artery lesion model.  EuroIntervention 12(7):834-44

Raphael CE; Cooper R; Parker KH; Collinson J; Vassiliou V; Pennell DJ; de Silva R; Hsu LY; Greve AM; Nijjer S; Broyd C; Ali A; Keegan J; Francis DP; Davies JE; Hughes AD; Arai A; Frenneaux M; Stables RH; Di Mario C; Prasad SK, 2016. Mechanisms of Myocardial Ischemia in Hypertrophic Cardiomyopathy: Insights From Wave Intensity Analysis and Magnetic Resonance.  J Am Coll Cardiol 68(15):1651-1660

van de Hoef TP; Meuwissen M; Escaned J; Sen S; Petraco R; van Lavieren MA; Echavarria-Pinto M; Nolte F; Nijjer S; Chamuleau SA; Voskuil M; van Eck-Smit BL; Verberne HJ; Henriques JP; Koch KT; de Winter RJ; Spaan JA; Siebes M; Tijssen JG; Davies JE; Piek JJ, 2015. Head-to-head comparison of basal stenosis resistance index, instantaneous wave-free ratio, and fractional flow reserve: diagnostic accuracy for stenosis-specific myocardial ischaemia.  EuroIntervention 11(8):914-25

Jabbour RJ; Shun-Shin MJ; Finegold JA; Afzal Sohaib SM; Cook C; Nijjer SS; Whinnett ZI; Manisty CH; Brugada J; Francis DP, 2015. Effect of study design on the reported effect of cardiac resynchronization therapy (CRT) on quantitative physiological measures: stratified meta-analysis in narrow-QRS heart failure and implications for planning future studies.  J Am Heart Assoc 4(1):e000896

Sohaib SM; Finegold JA; Nijjer SS; Hossain R; Linde C; Levy WC; Sutton R; Kanagaratnam P; Francis DP; Whinnett ZI, 2015. Opportunity to increase life span in narrow QRS cardiac resynchronization therapy recipients by deactivating ventricular pacing: evidence from randomized controlled trials.  JACC Heart Fail 3(4):327-36

Ladwiniec A; Cunnington MS; Rossington J; Mather AN; Alahmar A; Oliver RM; Nijjer SS; Davies JE; Thackray S; Alamgir F; Hoye A, 2015. Collateral donor artery physiology and the influence of a chronic total occlusion on fractional flow reserve.  Circ Cardiovasc Interv 8.

Nijjer SS; Sen S; Petraco R; Davies JE, 2015. Advances in coronary physiology.  Circ J 79(6):1172-84

Nijjer SS; Sen S; Petraco R; Mayet J; Francis DP; Davies JE, 2015. The Instantaneous wave-Free Ratio (iFR) pullback: a novel innovation using baseline physiology to optimise coronary angioplasty in tandem lesions.  Cardiovasc Revasc Med 16(3):167-71

Nijjer SS; Petraco R; van de Hoef TP; Sen S; van Lavieren MA; Foale RA; Meuwissen M; Broyd C; Echavarria-Pinto M; Al-Lamee R; Foin N; Sethi A; Malik IS; Mikhail GW; Hughes AD; Mayet J; Francis DP; Di Mario C; Escaned J; Piek JJ; Davies JE, 2015. Change in coronary blood flow after percutaneous coronary intervention in relation to baseline lesion physiology: results of the JUSTIFY-PCI study.  Circ Cardiovasc Interv 8(6):e001715

Ahmad Y; Nijjer S; Cook CM; El-Harasis M; Graby J; Petraco R; Kotecha T; Baker CS; Malik IS; Bellamy MF; Sethi A; Mikhail GW; Al-Bustami M; Khan M; Kaprielian R; Foale RA; Mayet J; Davies JE; Francis DP; Sen S, 2015. A new method of applying randomised control study data to the individual patient: A novel quantitative patient-centred approach to interpreting composite end points.  Int J Cardiol 195:216-24

Ladwiniec A; Cunnington MS; Rossington J; Mather AN; Alahmar A; Oliver RM; Nijjer SS; Davies JE; Thackray S; Alamgir F; Hoye A, 2015. Response to Letter Regarding Article, "Collateral Donor Artery Physiology and the Influence of a Chronic Total Occlusion on Fractional Flow Reserve".  Circ Cardiovasc Interv 8(7):e002796

Sen S; Petraco R; Nijjer S; Mayet J; Davies J, 2015. Can Resting Indices Obviate the Need for Hyperemia and Promote the Routine Use of Physiologically Guided Revascularization?  Interv Cardiol Clin 4(4):459-469

Echavarría-Pinto M; van de Hoef TP; van Lavieren MA; Nijjer S; Ibañez B; Pocock S; Quirós A; Davies J; Meuwissen M; Serruys PW; Macaya C; Piek JJ; Escaned J, 2015. Combining Baseline Distal-to-Aortic Pressure Ratio and Fractional Flow Reserve in the Assessment of Coronary Stenosis Severity.  JACC Cardiovasc Interv 8(13):1681-91

Petraco R; Sen S; Nijjer S; Malik IS; Mikhail GW; Al-Lamee R; Cook C; Baker C; Kaprielian R; Foale RA; Mayet J; Francis DP; Davies JE, 2015. ECG-Independent Calculation of Instantaneous Wave-Free Ratio.  JACC Cardiovasc Interv 8(15):2043-2046

Jeremias A; Maehara A; Généreux P; Asrress KN; Berry C; De Bruyne B; Davies JE; Escaned J; Fearon WF; Gould KL; Johnson NP; Kirtane AJ; Koo BK; Marques KM; Nijjer S; Oldroyd KG; Petraco R; Piek JJ; Pijls NH; Redwood S; Siebes M; Spaan JAE; van 't Veer M; Mintz GS; Stone GW, 2014. Multicenter core laboratory comparison of the instantaneous wave-free ratio and resting Pd/Pa with fractional flow reserve: the RESOLVE study.  J Am Coll Cardiol 63(13):1253-1261

Echavarría-Pinto M; Gonzalo N; Ibañez B; Petraco R; Jimenez-Quevedo P; Sen S; Nijjer S; Tarkin J; Alfonso F; Núñez-Gil IJ; Bañuelos C; Quirós A; Fernández-Ortiz A; Macaya C; Koo BK; Davies J; Escaned J, 2014. Low coronary microcirculatory resistance associated with profound hypotension during intravenous adenosine infusion: implications for the functional assessment of coronary stenoses.  Circ Cardiovasc Interv 7(1):35-42

Foin N; Gutiérrez-Chico JL; Nakatani S; Torii R; Bourantas CV; Sen S; Nijjer S; Petraco R; Kousera C; Ghione M; Onuma Y; Garcia-Garcia HM; Francis DP; Wong P; Di Mario C; Davies JE; Serruys PW, 2014. Incomplete stent apposition causes high shear flow disturbances and delay in neointimal coverage as a function of strut to wall detachment distance: implications for the management of incomplete stent apposition.  Circ Cardiovasc Interv 7(2):180-9

Nijjer SS; Sohaib SM; Whinnett ZI; Lefroy DC, 2014. Diagnosis of supraventricular tachycardias.  Br J Hosp Med (Lond) 75(2):C22-5

Nijjer SS; Sohaib SM; Whinnett ZI; Lefroy DC, 2014. Management of supraventricular tachycardias.  Br J Hosp Med (Lond) 75(2):C26-8

Petraco R; Escaned J; Nijjer S; Sen S; Echavarria-Pinto M; Francis DP; Davies JE, 2014. Reply: fractional flow reserve: a good or a gold standard?  JACC Cardiovasc Interv 7(2):228-229

Foin N; Lee RD; Torii R; Guitierrez-Chico JL; Mattesini A; Nijjer S; Sen S; Petraco R; Davies JE; Di Mario C; Joner M; Virmani R; Wong P, 2014. Impact of stent strut design in metallic stents and biodegradable scaffolds.  Int J Cardiol 177(3):800-8

Kousera CA; Nijjer S; Torii R; Petraco R; Sen S; Foin N; Hughes AD; Francis DP; Xu XY; Davies JE, 2014. Patient-specific coronary stenoses can be modeled using a combination of OCT and flow velocities to accurately predict hyperemic pressure gradients.  IEEE Trans Biomed Eng 61(6):1902-13

Coats AJ; Nijjer SS; Francis DP, 2014. Protecting the pipeline of science: openness, scientific methods and the lessons from ticagrelor and the PLATO trial.  Int J Cardiol 176(3):600-4

Foin N; Petraco R; Sen S; Nijjer S; Davies JE, 2014. Assessment of lesion functional significance with virtual FFR - are we going with the flow?  EuroIntervention 10(5):535-8

Petraco R; Al-Lamee R; Gotberg M; Sharp A; Hellig F; Nijjer SS; Echavarria-Pinto M; van de Hoef TP; Sen S; Tanaka N; Van Belle E; Bojara W; Sakoda K; Mates M; Indolfi C; De Rosa S; Vrints CJ; Haine S; Yokoi H; Ribichini FL; Meuwissen M; Matsuo H; Janssens L; Katsumi U; Di Mario C; Escaned J; Piek J; Davies JE, 2014. Real-time use of instantaneous wave-free ratio: results of the ADVISE in-practice: an international, multicenter evaluation of instantaneous wave-free ratio in clinical practice.  Am Heart J 168(5):739-48

Petraco R; van de Hoef TP; Nijjer S; Sen S; van Lavieren MA; Foale RA; Meuwissen M; Broyd C; Echavarria-Pinto M; Foin N; Malik IS; Mikhail GW; Hughes AD; Francis DP; Mayet J; Di Mario C; Escaned J; Piek JJ; Davies JE, 2014. Baseline instantaneous wave-free ratio as a pressure-only estimation of underlying coronary flow reserve: results of the JUSTIFY-CFR Study (Joined Coronary Pressure and Flow Analysis to Determine Diagnostic Characteristics of Basal and Hyperemic Indices of Functional Lesion Severity-Coronary Flow Reserve).  Circ Cardiovasc Interv 7(4):492-502

Nijjer SS; Sen S; Petraco R; Escaned J; Echavarria-Pinto M; Broyd C; Al-Lamee R; Foin N; Foale RA; Malik IS; Mikhail GW; Sethi AS; Al-Bustami M; Kaprielian RR; Khan MA; Baker CS; Bellamy MF; Hughes AD; Mayet J; Francis DP; Di Mario C; Davies JE, 2014. Pre-angioplasty instantaneous wave-free ratio pullback provides virtual intervention and predicts hemodynamic outcome for serial lesions and diffuse coronary artery disease.  JACC Cardiovasc Interv 7(12):1386-96

Sen S; Nijjer S; Petraco R; Malik IS; Francis DP; Davies J, 2013. Instantaneous wave-free ratio: numerically different, but diagnostically superior to FFR? Is lower always better?  J Am Coll Cardiol 62(6):566

Petraco R; Escaned J; Sen S; Nijjer S; Asrress KN; Echavarria-Pinto M; Lockie T; Khawaja MZ; Cuevas C; Foin N; Broyd C; Foale RA; Hadjiloizou N; Malik IS; Mikhail GW; Sethi A; Kaprielian R; Baker CS; Lefroy D; Bellamy M; Al-Bustami M; Khan MA; Hughes AD; Francis DP; Mayet J; Di Mario C; Redwood S; Davies JE, 2013. Classification performance of instantaneous wave-free ratio (iFR) and fractional flow reserve in a clinical population of intermediate coronary stenoses: results of the ADVISE registry.  EuroIntervention 9(1):91-101

Foin N; Alegria E; Sen S; Petraco R; Nijjer S; Di Mario C; Francis DP; Davies JE, 2013. Importance of knowing stent design threshold diameters and post-dilatation capacities to optimise stent selection and prevent stent overexpansion/incomplete apposition during PCI.  Int J Cardiol 166(3):755-8

Petraco R; Park JJ; Sen S; Nijjer SS; Malik IS; Echavarría-Pinto M; Asrress KN; Nam CW; Macías E; Foale RA; Sethi A; Mikhail GW; Kaprielian R; Baker CS; Lefroy D; Bellamy M; Al-Bustami M; Khan MA; Gonzalo N; Hughes AD; Francis DP; Mayet J; Di Mario C; Redwood S; Escaned J; Koo BK; Davies JE, 2013. Hybrid iFR-FFR decision-making strategy: implications for enhancing universal adoption of physiology-guided coronary revascularisation.  EuroIntervention 8(10):1157-65

Sen S; Asrress KN; Nijjer S; Petraco R; Malik IS; Foale RA; Mikhail GW; Foin N; Broyd C; Hadjiloizou N; Sethi A; Al-Bustami M; Hackett D; Khan MA; Khawaja MZ; Baker CS; Bellamy M; Parker KH; Hughes AD; Francis DP; Mayet J; Di Mario C; Escaned J; Redwood S; Davies JE, 2013. Diagnostic classification of the instantaneous wave-free ratio is equivalent to fractional flow reserve and is not improved with adenosine administration. Results of CLARIFY (Classification Accuracy of Pressure-Only Ratios Against Indices Using Flow Study).  J Am Coll Cardiol 61(13):1409-20

Petraco R; Sen S; Nijjer S; Echavarria-Pinto M; Escaned J; Francis DP; Davies JE, 2013. Fractional flow reserve-guided revascularization: practical implications of a diagnostic gray zone and measurement variability on clinical decisions.  JACC Cardiovasc Interv 6(3):222-5

Foin N; Mari JM; Nijjer S; Sen S; Petraco R; Ghione M; Di Mario C; Davies JE; Girard MJ, 2013. Intracoronary imaging using attenuation-compensated optical coherence tomography allows better visualisation of coronary artery diseases.  Cardiovasc Revasc Med 14(3):139-43

Jabs A; Hink U; Fineschi M; Münzel T; Gori T; Koo BK; Petraco R; Sen S; Nijjer S; Davies JE, 2013. How should I treat a patient with typical angina, typical angiography, negative FFR?  EuroIntervention 9(1):157-61

Foin N; Sen S; Allegria E; Petraco R; Nijjer S; Francis DP; Di Mario C; Davies JE, 2013. Maximal expansion capacity with current DES platforms: a critical factor for stent selection in the treatment of left main bifurcations?  EuroIntervention 8(11):1315-25

Foin N; Torii R; Alegria E; Sen S; Petraco R; Nijjer S; Ghione M; Davies JE; Di Mario C, 2013. Location of side branch access critically affects results in bifurcation stenting: Insights from bench modeling and computational flow simulation.  Int J Cardiol 168(4):3623-8

Sen S; Escaned J; Petraco R; Nijjer S; Francis DP; Davies JE, 2013. Reply: Is the instantaneous wave-free ratio equivalent to fractional flow reserve?  J Am Coll Cardiol 62(10):943-5

Sabharwal S; Patel V; Nijjer SS; Kirresh A; Darzi A; Chambers JC; Malik I; Kooner JS; Athanasiou T, 2013. Guidelines in cardiac clinical practice: evaluation of their methodological quality using the AGREE II instrument.  J R Soc Med 106(8):315-22

Petraco R; Sen S; Nijjer S; Escaned J; Davies JE, 2013. Baseline coronary pressures, instant wave-free ratio (iFR) and Pd/Pa: making the most of available information.  EuroIntervention 9(1):170-23

Nijjer SS; Sen S; Petraco R; Sachdeva R; Cuculi F; Escaned J; Broyd C; Foin N; Hadjiloizou N; Foale RA; Malik I; Mikhail GW; Sethi AS; Al-Bustami M; Kaprielian RR; Khan MA; Baker CS; Bellamy MF; Hughes AD; Mayet J; Kharbanda RK; Di Mario C; Davies JE, 2013. Improvement in coronary haemodynamics after percutaneous coronary intervention: assessment using instantaneous wave-free ratio.  Heart 99(23):1740-8

Tarkin JM; Nijjer S; Sen S; Petraco R; Echavarria-Pinto M; Asress KN; Lockie T; Khawaja MZ; Mayet J; Hughes AD; Malik IS; Mikhail GW; Baker CS; Foale RA; Redwood S; Francis DP; Escaned J; Davies JE, 2013. Hemodynamic response to intravenous adenosine and its effect on fractional flow reserve assessment: results of the Adenosine for the Functional Evaluation of Coronary Stenosis Severity (AFFECTS) study.  Circ Cardiovasc Interv 6(6):654-61

Foin N; Mattesini A; Ghione M; Dall'ara G; Sen S; Nijjer S; Petraco R; Sgueglia GA; Davies JE; Di Mario C, 2013. Tools & techniques clinical: optimising stenting strategy in bifurcation lesions with insights from in vitro bifurcation models.  EuroIntervention 9(7):885-7

Petraco R; Escaned J; Sen S; Nijjer S; Francis DP; Davies JE, 2013. How high can "accuracy" be for iFR (or IVUS, or SPECT, or OCT...) if using fractional flow reserve as the gold standard?  EuroIntervention 9(6):770-2

Foin N; Sen S; Petraco R; Nijjer S; Torii R; Kousera C; Broyd C; Mehta V; Xu Y; Mayet J; Hughes A; Di Mario C; Krams R; Francis D; Davies J, 2013. Method for percutaneously introducing, and removing, anatomical stenosis of predetermined severity in vivo: the "stenotic stent".  J Cardiovasc Transl Res 6(4):640-8

Nijjer SS; Athanasiou T; Malik IS, 2012. Conflicting meta-analytic results: potential for confusion if left unexplained.  J Thorac Cardiovasc Surg 143(1):247-8; author reply 248-9

Kamara A; Sivasathiaseelan H; Nijjer SS; Phillips G; Dubrey SW, 2012. Nodular parenchymal amyloid, an unusual cause of multiple pulmonary nodules with favourable long term prognosis.  QJM 105(6):563-5

Nijjer S; Bellamy M; Nihoyannopoulos P, 2012. Vasospastic angina causing infarction detectable on myocardial contrast echocardiography.  Int J Cardiol 157(2):e40-1

Nijjer SS; Davies JE; Francis DP, 2012. Quantitative comparison of clopidogrel 600 mg, prasugrel and ticagrelor, against clopidogrel 300 mg on major adverse cardiovascular events and bleeding in coronary stenting: synthesis of CURRENT-OASIS-7, TRITON-TIMI-38 and PLATO.  Int J Cardiol 158(2):181-5

Nijjer SS; Lefroy DC, 2012. Atrial fibrillation.  Br J Hosp Med (Lond) 73(5):C69-73

Nijjer SS; Pabari PA; Stegemann B; Palmieri V; Leyva F; Linde C; Freemantle N; Davies JE; Hughes AD; Francis DP, 2012. The limit of plausibility for predictors of response: application to biventricular pacing.  JACC Cardiovasc Imaging 5(10):1046-65

Nijjer SS; Lefroy DC, 2011. The fluttering patient: an approach to the patient with palpitations.  Br J Hosp Med (Lond) 72(12):M182-5

Nijjer SS; Watson G; Athanasiou T; Malik IS, 2011. Safety of clopidogrel being continued until the time of coronary artery bypass grafting in patients with acute coronary syndrome: a meta-analysis of 34 studies.  Eur Heart J 32(23):2970-88

Nijjer S; Ghosh AK; Dubrey SW, 2010. Hypocalcaemia, long QT interval and atrial arrhythmias.  BMJ Case Rep 2010:bcr0820092216

Nijjer S; Dubrey SW, 2010. Streptococcus sanguis endocarditis associated with colonic carcinoma.  BMJ Case Rep 2010.

Nijjer S; Dubrey SW, 2010. Electrocardiograph abnormalities revealed during laparoscopy.  BMJ Case Rep 2010.

Nijjer SS; Dubrey SW; Dreyfus GD; Grocott-Mason R, 2010. Delayed pericardial effusions: life-threatening complication presenting up to 100 days after chest trauma.  Clin Med (Lond) 10(1):88-90

Nijjer S; Di Mario C, 2010. Reverse STAR for retrograde recanalisation in a chronic total coronary artery occlusion present for 21 years.  BMJ Case Rep 2010.

Nijjer SS; Eseonu KC; Baker CS, 2010. A survey on the latest NICE guidance for diagnosis of chest pain: a challenge to NICE.  Int J Cardiol 145(3):611-3

Gill J; Chearman T; Carey M; Nijjer S; Cross F, 2010. Presenting patient data in the electronic care record: the role of timelines.  JRSM Short Rep 1(4):29

Kamara A; Nijjer SS; Ghosh AK; Grocott-Mason R; Dubrey S, 2010. Lesson of the month (1). Myotonic dystrophy and out-of-hospital arrest.  Clin Med (Lond) 10(6):630-2

Nijjer S; Crean A; Li W; Swan L, 2009. Uvular ulceration following transoesophageal echocardiography.  BMJ Case Rep 2009.

Nijjer S; White S; Gatzoulis MA, 2009. Torsades de Pointes in atrioventricular septal defect.  Int J Cardiol 134(2):e51-2

Nijjer S; Rogers WE; Siemann E, 2007. Negative plant-soil feedbacks may limit persistence of an invasive tree due to rapid accumulation of soil pathogens.  Proc Biol Sci 274(1625):2621-7

Rai S; Jindal RP; Nijjer SS, 1980. Internal mammary lymph node metastasis in carcinoma.  Indian J Cancer 17(3):169-71

Publication list retrieved from NCBI using ImpactPubs

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Dr Sukhjinder Nijjer Consultant Cardiologist

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