King's College London

Research portal

Dr John Simpson

  1. 3D Approaches in Complex CHD: Where Are We? Funny Printing and Beautiful Images, or a Useful Tool?

    Spanaki, A., Kabir, S., Stephenson, N., Van Poppel, M. P. M., Benetti, V. & Simpson, J., 15 Aug 2022, In: Journal of Cardiovascular Development and Disease. 9, 8, p. 269 269.

    Research output: Contribution to journalArticlepeer-review

  2. Angle Independency of Fetal Speckle-Tracking Echocardiography: Response

    Simpson, J., Charakida, M. & Semmler, J., Jul 2022, In: Journal of The American Society of Echocardiography. 35, 7, p. 785 1 p.

    Research output: Contribution to journalLetterpeer-review

  3. Fetal echocardiographic markers to differentiate between a right and double aortic arch

    Van Poppel, M. P. M., Zidere, V., Simpson, J. M. & Vigneswaran, T. V., Apr 2022, In: Prenatal Diagnosis. 42, 4, p. 419-427 9 p.

    Research output: Contribution to journalArticlepeer-review

  4. Outcome and Impact of Associated Left-Sided Cardiac Lesions in Coarctation of the Aorta Diagnosed During Fetal Life

    Polyviou, S., Charakida, M., Miller, O. I., RSCN, T. W., Vigneswaran, T. V., Zidere, V., Day, T. G., Lloyd, D. F. A., Sharland, G. K. & Simpson, J. M., 1 Mar 2022, In: American Journal of Cardiology. 166, p. 114-121 8 p.

    Research output: Contribution to journalArticlepeer-review

  5. TEE Guidance During Transcatheter Treatment of Superior SVASDs With PAPVD

    Kabir, S. R., Simpson, J. M., Jones, M. I., Butera, G., Qureshi, S. A. & Rosenthal, E., Jan 2022, In: JACC: Cardiovascular Imaging. 15, 1, p. 160-167 8 p.

    Research output: Contribution to journalArticlepeer-review

  6. A uniform description of perioperative brain MRI findings in infants with severe congenital heart disease: Results of a European collaboration

    for the European Association Brain in Congenital Heart Disease Consortium, 1 Nov 2021, In: American Journal of Neuroradiology. 42, 11

    Research output: Contribution to journalArticlepeer-review

  7. Reference Ranges for Pulsed-Wave Doppler of the Fetal Cardiac Inflow and Outflow Tracts from 13 to 36 Weeks’ Gestation

    Zidere, V., Vigneswaran, T. V., Syngelaki, A., Charakida, M., Allan, L. D., Nicolaides, K. H., Simpson, J. M. & Akolekar, R., Sep 2021, In: Journal of The American Society of Echocardiography. 34, 9, p. 1007-1016.e10

    Research output: Contribution to journalArticlepeer-review

  8. A virtual reality system for improved image-based planning of complex cardiac procedures

    Deng, S., Wheeler, G., Toussaint, N., Munroe, L., Bhattacharya, S., Sajith, G., Lin, E., Singh, E., Chu, K. Y. K., Kabir, S., Pushparajah, K., Simpson, J. M., Schnabel, J. A. & Gomez, A., Aug 2021, In: Journal of Imaging. 7, 8, 151.

    Research output: Contribution to journalArticlepeer-review

  9. Dilated ascending aorta in the fetus

    Dumitrascu-Biris, I., Zidere, V., Vigneswaran, T., Charakida, M., Mathur, S., Kametas, N. & Simpson, J., Aug 2021, In: Prenatal Diagnosis. 41, 9, p. 1127-1133 7 p.

    Research output: Contribution to journalArticlepeer-review

  10. Artificial intelligence, fetal echocardiography, and congenital heart disease

    Day, T. G., Kainz, B., Hajnal, J., Razavi, R. & Simpson, J. M., May 2021, In: Prenatal Diagnosis. 41, 6, p. 733-742 10 p.

    Research output: Contribution to journalReview articlepeer-review

  11. Early ventricular contraction in children with primary hypertension relates to left ventricular mass

    Gu, H., Singh, C., Li, Y., Simpson, J., Chowienczyk, P. & Sinha, M. D., 1 Apr 2021, In: Journal of hypertension. 39, 4, p. 711-717 7 p.

    Research output: Contribution to journalArticlepeer-review

  12. Automatic Re-orientation of 3D Echocardiographic Images in Virtual Reality Using Deep Learning

    Munroe, L., Sajith, G., Lin, E., Bhattacharya, S., Pushparajah, K., Simpson, J., Schnabel, J. A., Wheeler, G., Gomez, A. & Deng, S., 2021, Medical Image Understanding and Analysis - 25th Annual Conference, MIUA 2021, Proceedings. Papież, B. W., Yaqub, M., Jiao, J., Namburete, A. I. & Noble, J. A. (eds.). Springer Science and Business Media Deutschland GmbH, p. 177-188 12 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 12722 LNCS).

    Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review

  13. Can Non-specialists Provide High Quality Gold Standard Labels in Challenging Modalities?

    Budd, S., Day, T., Simpson, J., Lloyd, K., Matthew, J., Skelton, E., Razavi, R. & Kainz, B., 2021, Domain Adaptation and Representation Transfer, and Affordable Healthcare and AI for Resource Diverse Global Health - 3rd MICCAI Workshop, DART 2021, and 1st MICCAI Workshop, FAIR 2021, Held in Conjunction with MICCAI 2021, Proceedings. Albarqouni, S., Cardoso, M. J., Dou, Q., Kamnitsas, K., Khanal, B., Rekik, I., Rieke, N., Sheet, D., Tsaftaris, S., Xu, D. & Xu, Z. (eds.). Springer Science and Business Media Deutschland GmbH, p. 251-262 12 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 12968 LNCS).

    Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review

  14. Detecting Hypo-plastic Left Heart Syndrome in Fetal Ultrasound via Disease-Specific Atlas Maps

    Budd, S., Sinclair, M., Day, T., Vlontzos, A., Tan, J., Liu, T., Matthew, J., Skelton, E., Simpson, J., Razavi, R., Glocker, B., Rueckert, D., Robinson, E. C. & Kainz, B., 2021, Medical Image Computing and Computer Assisted Intervention – MICCAI 2021 - 24th International Conference, Proceedings. de Bruijne, M., Cattin, P. C., Cotin, S., Padoy, N., Speidel, S., Zheng, Y. & Essert, C. (eds.). Springer Science and Business Media Deutschland GmbH, p. 207-217 11 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 12907 LNCS).

    Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review

  15. Detecting Outliers with Poisson Image Interpolation

    Tan, J., Hou, B., Day, T., Simpson, J., Rueckert, D. & Kainz, B., 2021, Medical Image Computing and Computer Assisted Intervention – MICCAI 2021 - 24th International Conference, Proceedings. de Bruijne, M., Cattin, P. C., Cotin, S., Padoy, N., Speidel, S., Zheng, Y. & Essert, C. (eds.). Springer Science and Business Media Deutschland GmbH, p. 581-591 11 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 12905 LNCS).

    Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review

  16. 3D hybrid printed models in complex congenital heart disease: 3D echocardiography and cardiovascular magnetic resonance imaging fusion

    Gomez, A., Gomez, G., Simpson, J. & Valverde, I., 14 Nov 2020, In: European Heart Journal. 41, 43, p. 4214 1 p.

    Research output: Contribution to journalArticlepeer-review

  17. Postnatal impact of a prenatally diagnosed double aortic arch

    Vigneswaran, T. V., Van Poppel, M. P., Griffiths, B., James, P., Jogeesvaran, H., Rahim, Z., Simpson, J. M., Speggiorin, S., Zidere, V. & Nyman, A., 28 Oct 2020, (E-pub ahead of print) In: Archives of Disease in Childhood.

    Research output: Contribution to journalArticlepeer-review

  18. Insights from fetal cardiac magnetic resonance imaging in double aortic arch

    van Poppel, M. P. M., Pushparajah, K., Lloyd, D. F. A., Razavi, R., Speggiorin, S., Nyman, A., Simpson, J. M., Zidere, V. & Vigneswaran, T. V., 1 Oct 2020, In: Ultrasound in Obstetrics and Gynecology. 56, 4, p. 636-639 4 p.

    Research output: Contribution to journalComment/debatepeer-review

  19. Paired maternal and fetal cardiac functional measurements in women with gestational diabetes mellitus at 35–36 weeks’ gestation

    Aguilera, J., Semmler, J., Coronel, C., Georgiopoulos, G., Simpson, J., Nicolaides, K. H. & Charakida, M., Oct 2020, In: American Journal of Obstetrics and Gynecology. 223, 4, p. 574.e1-574.e15

    Research output: Contribution to journalArticlepeer-review

  20. Fetal Speckle-Tracking: Impact of Angle of Insonation and Frame Rate on Global Longitudinal Strain

    Semmler, J., Day, T. G., Georgiopoulos, G., Garcia-Gonzalez, C., Aguilera, J., Vigneswaran, T. V., Zidere, V., Miller, O. I., Sharland, G., Charakida, M. & Simpson, J. M., Sep 2020, In: Journal of The American Society of Echocardiography. 33, 9, p. 1141-1146.e2

    Research output: Contribution to journalArticlepeer-review

  21. Metformin use in obese mothers is associated with improved cardiovascular profile in the offspring

    Panagiotopoulou, O., Syngelaki, A., Georgiopoulos, G., Simpson, J., Akolekar, R., Shehata, H., Nicolaides, K. & Charakida, M., Aug 2020, In: American Journal of Obstetrics and Gynecology. 223, 2, p. 246.e1-246.e10

    Research output: Contribution to journalArticlepeer-review

  22. Cardiac Function in Young Patients with Elevated Blood Pressure

    Simpson, J. M. & Sinha, M. D., 1 Jun 2020, In: Hypertension. 75, 6, p. 1417-1418 2 p.

    Research output: Contribution to journalEditorialpeer-review

  23. Early Postnatal Echocardiography in Neonates with a Prenatal Suspicion of Coarctation of the Aorta

    Vigneswaran, T. V., Bellsham-Revell, H. R., Chubb, H. & Simpson, J. M., 1 Apr 2020, In: Pediatric Cardiology. 41, 4, p. 772-780 9 p.

    Research output: Contribution to journalArticlepeer-review

  24. Dilatation of the Aorta in Bicuspid Aortic Valve Disease

    Simpson, J. M. & Pushparajah, K., 1 Mar 2020, In: Circulation. Cardiovascular imaging. 13, 3, p. e010448 e010448.

    Research output: Contribution to journalEditorialpeer-review

  25. Applications of VR medical image visualization to chordal length measurements for cardiac procedures

    Carnahan, P., Moore, J., Bainbridge, D., Wheeler, G., Deng, S., Pushparajah, K., Chen, E. C. S., Simpson, J. M. & Peters, T. M., 1 Jan 2020, Medical Imaging 2020: Image-Guided Procedures, Robotic Interventions, and Modeling. Fei, B. & Linte, C. A. (eds.). SPIE, 1131528. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11315).

    Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review

  26. Automated Detection of Congenital Heart Disease in Fetal Ultrasound Screening

    Tan, J., Au, A., Meng, Q., FinesilverSmith, S., Simpson, J., Rueckert, D., Razavi, R., Day, T., Lloyd, D. & Kainz, B., 2020, Medical Ultrasound, and Preterm, Perinatal and Paediatric Image Analysis - 1st International Workshop, ASMUS 2020, and 5th International Workshop, PIPPI 2020, Held in Conjunction with MICCAI 2020, Proceedings. Hu, Y., Licandro, R., Noble, J. A., Hutter, J., Melbourne, A., Aylward, S., Abaci Turk, E., Torrents Barrena, J. & Torrents Barrena, J. (eds.). Springer Science and Business Media Deutschland GmbH, p. 243-252 10 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 12437 LNCS).

    Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review

  27. Virtual linear measurement system for accurate quantification of medical images

    Wheeler, G., Deng, S., Pushparajah, K., Schnabel, J. A., Simpson, J. M. & Gomez, A., Dec 2019, In: Healthcare Technology Letters. 6, 6, p. 220-225 6 p.

    Research output: Contribution to journalArticlepeer-review

  28. Spontaneous resolution of large pericardial effusion associated with right ventricular outpouching in four fetuses

    Zidere, V., Gebb, J., Vigneswaran, T., Charakida, M., Simpson, J. M. & Bower, S., 1 Nov 2019, In: Ultrasound in Obstetrics and Gynecology. 54, 5, p. 701-702 2 p.

    Research output: Contribution to journalLetterpeer-review

  29. Using speckle-tracking echocardiography to assess fetal myocardial deformation: are we there yet?

    Day, T. G., Charakida, M. & Simpson, J. M., 1 Nov 2019, In: Ultrasound in Obstetrics and Gynecology. 54, 5, p. 575-581 7 p.

    Research output: Contribution to journalArticlepeer-review

  30. Improved blood pressure and left ventricular remodelling in children on chronic intermittent haemodialysis: a longitudinal study

    Melhem, N., Savis, A., Wheatley, A., Copeman, H., Willmott, K., Reid, C. J. D., Simpson, J. & Sinha, M. D., 1 Oct 2019, In: Pediatric Nephrology. 34, 10, p. 1811-1820 10 p.

    Research output: Contribution to journalArticlepeer-review

  31. Postnatal Outcome Following Prenatal Diagnosis of Discordant Atrioventricular and Ventriculoarterial Connections

    Day, T. G., Woodgate, T., Knee, O., Zidere, V., Vigneswaran, T., Charakida, M., Miller, O., Sharland, G. & Simpson, J., 1 Oct 2019, In: Pediatric Cardiology. 40, 7, p. 1509-1515 7 p.

    Research output: Contribution to journalArticlepeer-review

  32. Living the heart in three dimensions: Applications of 3D printing in CHD

    Forte, M. N. V., Hussain, T., Roest, A., Gomez, G., Jongbloed, M., Simpson, J., Pushparajah, K., Byrne, N. & Valverde, I., 14 Jun 2019, In: CARDIOLOGY IN THE YOUNG. 29, 6, p. 733-743 11 p.

    Research output: Contribution to journalArticlepeer-review

  33. Initial Experience of Superb Microvascular Imaging for Key Cardiac Views in Foetal Assessment before 15 Weeks Gestation

    Jabak, S., Vigneswaran, T. V., Charakida, M., Kasapoglu, T., De Jesus Cruz, J., Simpson, J. M. & Zidere, V., 1 Jan 2019, In: Fetal Diagnosis and Therapy.

    Research output: Contribution to journalArticlepeer-review

  34. Application of the Boston Technical Performance Score to intraoperative echocardiography

    Bellsham-Revell, H. R., Deri, A., Caroli, S., Durward, A., Miller, O. I., Mathur, S., Saundankar, J., Anderson, D. R., Conal Austin, B., Salih, C., Pushparajah, K. & Simpson, J. M., 2019, In: Echo Research and Practice. 6, 3, p. 63-70 8 p.

    Research output: Contribution to journalArticlepeer-review

  35. Hypertension in Coarctation of the Aorta: Challenges in Diagnosis in Children

    Vigneswaran, T. V., Sinha, M. D., Valverde, I., Simpson, J. M. & Charakida, M., 1 Jan 2018, In: Pediatric Cardiology. 39, 1

    Research output: Contribution to journalReview articlepeer-review

  36. Three-dimensional printed models for surgical planning of complex congenital heart defects: An international multicentre study

    Valverde, I., Gomez-Ciriza, G., Hussain, T., Suarez-Mejias, C., Velasco-Forte, M. N., Byrne, N., Ordoñez, A., Gonzalez-Calle, A., Anderson, D., Hazekamp, M. G., Roest, A. A. W., Rivas-Gonzalez, J., Uribe, S., El-Rassi, I., Simpson, J., Miller, O., Ruiz, E., Zabala, I., Mendez, A., Manso, B. & 11 others, Gallego, P., Prada, F., Cantinotti, M., Ait-Ali, L., Merino, C., Parry, A., Poirier, N., Greil, G., Razavi, R., Gomez-Cia, T. & Hosseinpour, A. R., 1 Dec 2017, In: European Journal of Cardio-thoracic Surgery. 52, 6, p. 1139-1148 10 p.

    Research output: Contribution to journalArticlepeer-review

  37. Do We Finally Have the A to Z of Z Scores?

    Simpson, J. M. & Chubb, H., 1 Nov 2017, In: Circulation. Cardiovascular imaging. 10, 11

    Research output: Contribution to journalEditorialpeer-review

  38. Morphological three-dimensional analysis of papillary muscles in borderline left ventricles

    Velasco Forte, M. N., Nassar, M., Byrne, N., Silva Vieira, M., Pérez, I. V., Ruijsink, B., Simpson, J. & Hussain, T., 1 Sep 2017, In: CARDIOLOGY IN THE YOUNG. 27, 7, p. 1369-1376 8 p.

    Research output: Contribution to journalArticlepeer-review

  39. Timely pulmonary valve replacement may allow preservation of left ventricular circumferential strain in patients with Tetralogy of Fallot

    Burkhardt, B. E. U., Forte, M. N. V., Durairaj, S., Rafiq, I., Valverde, I., Tandon, A., Simpson, J. & Hussain, T., 28 Feb 2017, In: Frontiers in Pediatrics. 5, 39.

    Research output: Contribution to journalArticlepeer-review

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