Faculty profile
Johannes Keunen
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Read how they describe their research on their University of Toronto profile.
Latest papers
Pre‐Procedure Predictors of Six‐Month Survival After Fetoscopic Laser Ablation for Twin–Twin Transfusion Syndrome ( TTTS ): Retrospective Observational Study
BJOG An International Journal of Obstetrics & Gynaecology · 2026
The Impact of Maternal Body Mass Index on Fetoscopic Laser Surgery for Twin-Twin Transfusion Syndrome.
Fetal diagnosis and therapy · 2026
Qualitative Assessment of Foetal Lung Size in Left Congenital Diaphragmatic Hernia Using Ultrasound and MRI: A Retrospective Cohort Study.
BJOG : an international journal of obstetrics and gynaecology · 2026
Latest funding
- $676,584
The haemodynamics of intrauterine growth restriction
CIHR · 2016 · Co-investigator
- $550,440
Brain development following late onset intrauterine growth restriction
CIHR · 2016 · Co-investigator
34 publications.
Pre‐Procedure Predictors of Six‐Month Survival After Fetoscopic Laser Ablation for Twin–Twin Transfusion Syndrome ( TTTS ): Retrospective Observational Study
Yang Huang Grace Ng, Prakesh S. Shah, Seungwoo Lee, Nimrah Abbasi, Johannes Keunen, Homero Flores-Mendoza, Tim Van Mieghem, Rory WINDRIM, Greg Ryan
The Impact of Maternal Body Mass Index on Fetoscopic Laser Surgery for Twin-Twin Transfusion Syndrome.
Van der Veeken L, Ziarko I, Kunpalin Y, Abbasi N, Keunen J, Flores-Mendoza H, Van Mieghem T, Ryan G
Qualitative Assessment of Foetal Lung Size in Left Congenital Diaphragmatic Hernia Using Ultrasound and MRI: A Retrospective Cohort Study.
Shinar S, Kajal D, Johnson S, Otvodenko A, Lee S, Chiu PPL, Keunen J, Van Mieghem T, Ryan G, Shah PS, Abbasi N
Foetoscopic Laser Management of Triplet Pregnancies Complicated by Twin-Twin Transfusion Syndrome.
Vlachodimitropoulou E, Dagli SN, Huang GNY, Van Mieghem T, Keunen J, Abbasi N, Flores-Mendoza H, Ryan G
The Evolution of Cephalocentesis in Contemporary Obstetric Practice: From Emergency Intervention to Planned Procedure.
Windrim C, Kunpalin Y, AlRefai A, Holloway E, Kelly EN, McParland P, McAuliffe FM, Chitayat D, Abbasi N, Shinar S, Windrim R, Seaward G, Keunen J, Van Mieghem T, Ryan G
Maternal "mirror" syndrome: Evaluating the benefits of fetal therapy.
Sichitiu J, Alkazaleh F, de Heus R, Abbasi N, van Mieghem T, Keunen J, Windrim R, Seaward G, Kelly EN, Lewi L, Deprest J, Ryan G, Shinar S
Inpatient vs outpatient management of pregnancies with vasa previa: A historical cohort study
Villani LA, Al‐Torshi R, Shah PS, Kingdom JC, D'Souza R, Keunen J
Decreased left heart flow in fetal lambs causes left heart hypoplasia and pro-fibrotic tissue remodeling.
Reuter MS, Sokolowski DJ, Javier Diaz-Mejia J, Keunen J, de Vrijer B, Chan C, Wang L, Ryan G, Chiasson DA, Ketela T, Scherer SW, Wilson MD, Jaeggi E, Chaturvedi RR
Comparison of circulating maternal placenta growth factor levels and sonographic evaluation of patients with abnormal first trimester screening analytes
Eran Ashwal, Johannes Keunen, Anjana Ravichandran, Katie Ellul, Swati Agrawal, Sebastian Rupert Hobson, Rory C. Windrim, John C. Kingdom
Monochorionic monoamniotic twin pregnancies.
Van Mieghem T, Abbasi N, Shinar S, Keunen J, Seaward G, Windrim R, Ryan G
The haemodynamics of intrauterine growth restriction
Principal investigators: Seed, Michael T; Kingdom, John C; Morrison, Janna L
Keywords: Fetal Physiology
Brain development following late onset intrauterine growth restriction
Principal investigators: Seed, Michael T; Kingdom, John C; Widjaja, Elysa
Keywords: Brain Development; Intrauterine Growth Restriction; Magnetic Resonance Imaging; Neurodevelopment
From public funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998 with their latest competition results, the Canada Foundation for Innovation, Genome Canada, the Canadian Space Agency, Canada Research Chairs, the Fonds de recherche du Québec, Ontario research funding, Michael Smith Health Research BC, the Canadian Cancer Society, Heart & Stroke and Brain Canada.
Frequent collaborators
- Prakeshkumar Shah and Prakesh Shah: 834 shared papers
- Tim Van Mieghem and Greg Ryan: 46 shared papers
- Edgar Jaeggi and Greg Ryan: 36 shared papers
- Nimrah Abbasi and Greg Ryan: 33 shared papers
- John Kingdom and Edgar Jaeggi: 32 shared papers
- Rory Windrim and Greg Ryan: 32 shared papers
- Prakeshkumar Shah and Greg Ryan: 24 shared papers
- Johannes Keunen and Greg Ryan: 24 shared papers
- Rohan D'Souza and Nadine Shehata: 22 shared papers
- John Kingdom and Greg Ryan: 22 shared papers
- Greg Ryan and Prakesh Shah: 22 shared papers
- Nimrah Abbasi and Tim Van Mieghem: 21 shared papers
- Tim Van Mieghem and Shiri Shinar: 19 shared papers
- Rohan D'Souza and Prakeshkumar Shah: 18 shared papers
- Rory Windrim and Johannes Keunen: 18 shared papers
- Rohan D'Souza and Prakesh Shah: 17 shared papers
- Tim Van Mieghem and Johannes Keunen: 17 shared papers
- Rohan D'Souza and John Kingdom: 16 shared papers
- David Chitayat and Shiri Shinar: 16 shared papers
- Tim Van Mieghem and Rory Windrim: 16 shared papers
- Jacob Langer and Greg Ryan: 14 shared papers
- Nimrah Abbasi and Johannes Keunen: 14 shared papers
- Shiri Shinar and Greg Ryan: 14 shared papers
- Gareth Seaward and Greg Ryan: 13 shared papers
- David Chitayat and Greg Ryan: 12 shared papers
- Michelle Hladunewich and Ayodele Odutayo: 11 shared papers
- Nadine Shehata and Greg Ryan: 11 shared papers
- Gareth Seaward and Rory Windrim: 11 shared papers
- John Kingdom and Michelle Hladunewich: 10 shared papers
- Tim Van Mieghem and Yada Kunpalin: 10 shared papers
- Prakeshkumar Shah and Edmond Kelly: 9 shared papers
- Gareth Seaward and Johannes Keunen: 9 shared papers
- Yada Kunpalin and Greg Ryan: 9 shared papers
- Prakesh Shah and Edmond Kelly: 9 shared papers
- John Kingdom and David Chitayat: 8 shared papers
- Shiri Shinar and Yada Kunpalin: 8 shared papers
- Rohan D'Souza and Cynthia Maxwell: 7 shared papers
- Prakeshkumar Shah and Nadine Shehata: 7 shared papers
- Prakeshkumar Shah and Johannes Keunen: 6 shared papers
- David Chitayat and Johannes Keunen: 6 shared papers
- Nadine Shehata and Evangelia Vlachodimitropoulou: 6 shared papers
- Paolo Campisi and Greg Ryan: 6 shared papers
- Johannes Keunen and Prakesh Shah: 6 shared papers
- Greg Ryan and Evangelia Vlachodimitropoulou: 6 shared papers
- Greg Ryan and Edmond Kelly: 6 shared papers
- John Kingdom and Johannes Keunen: 5 shared papers
- Shiri Shinar and Johannes Keunen: 5 shared papers
- David Chitayat and Edgar Jaeggi: 4 shared papers
- Paolo Campisi and Tim Van Mieghem: 4 shared papers
- Rohan D'Souza and Wendy Whittle: 3 shared papers
- Rohan D'Souza and Johannes Keunen: 3 shared papers
- John Kingdom and Wendy Whittle: 3 shared papers
- John Kingdom and Cynthia Maxwell: 3 shared papers
- Edgar Jaeggi and Jacob Langer: 3 shared papers
- Edgar Jaeggi and Johannes Keunen: 3 shared papers
- Jacob Langer and Rory Windrim: 3 shared papers
- Tim Van Mieghem and Evangelia Vlachodimitropoulou: 3 shared papers
- Johannes Keunen and Edmond Kelly: 3 shared papers
- Rohan D'Souza and Michelle Hladunewich: 2 shared papers
- John Kingdom and Ayodele Odutayo: 2 shared papers
- Prakeshkumar Shah and Paolo Campisi: 2 shared papers
- Prakeshkumar Shah and Cynthia Maxwell: 2 shared papers
- Michelle Hladunewich and Johannes Keunen: 2 shared papers
- Nadine Shehata and Johannes Keunen: 2 shared papers
- Jacob Langer and Johannes Keunen: 2 shared papers
- Paolo Campisi and Johannes Keunen: 2 shared papers
- Wendy Whittle and Johannes Keunen: 2 shared papers
- Johannes Keunen and Yada Kunpalin: 2 shared papers
- Johannes Keunen and Cynthia Maxwell: 2 shared papers
- Johannes Keunen and Evangelia Vlachodimitropoulou: 2 shared papers
- Rohan D'Souza and Amanda Selk: 1 shared paper
- John Kingdom and Alison Macarthur: 1 shared paper
- John Kingdom and Amanda Selk: 1 shared paper
- Prakeshkumar Shah and Alison Macarthur: 1 shared paper
- Prakeshkumar Shah and Amanda Selk: 1 shared paper
- Ayodele Odutayo and Johannes Keunen: 1 shared paper
- Alison Macarthur and Gareth Seaward: 1 shared paper
- Alison Macarthur and Johannes Keunen: 1 shared paper
- Johannes Keunen and Amanda Selk: 1 shared paper
- Department of Obstetrics & Gynaecology
- Department of Paediatrics
- Department of Medicine
- Obstetrics & Gynecology
- Institute of Medical Science
- Department of Surgery
- Department of Laboratory Medicine & Pathobiology
- Other
Co-authors at University of Toronto, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.
Greg Ryan
Department of Obstetrics & Gynaecology
24 shared papers, latest 2026
Rory Windrim
Department of Obstetrics & Gynaecology
18 shared papers, latest 2026
Tim Van Mieghem
Department of Obstetrics & Gynaecology
17 shared papers, latest 2026
Nimrah Abbasi
Department of Obstetrics & Gynaecology
14 shared papers, latest 2026
Gareth Seaward
Faculty
9 shared papers, latest 2026
Prakesh Shah
Department of Paediatrics
6 shared papers, latest 2026
Prakeshkumar Shah
Department of Paediatrics
6 shared papers, latest 2026
David Chitayat
Department of Paediatrics
6 shared papers, latest 2026
Shiri Shinar
Department of Obstetrics & Gynaecology
5 shared papers, latest 2026
John Kingdom
Department of Obstetrics & Gynaecology
5 shared papers, latest 2023
Edmond Kelly
Department of Paediatrics
3 shared papers, latest 2022
Rohan D'Souza
Obstetrics & Gynecology
3 shared papers, latest 2023
Edgar Jaeggi
Department of Paediatrics
3 shared papers, latest 2023
Evangelia Vlachodimitropoulou
Institute of Medical Science
2 shared papers, latest 2026
Yada Kunpalin
Department of Obstetrics & Gynaecology
2 shared papers, latest 2026
Cynthia Maxwell
Department of Obstetrics & Gynaecology
2 shared papers, latest 2022
Nadine Shehata
Department of Laboratory Medicine & Pathobiology
2 shared papers, latest 2022
Paolo Campisi
Department of Otolaryngology-Head & Neck Surgery
2 shared papers, latest 2022
Michelle Hladunewich
Department of Medicine
2 shared papers, latest 2011
Wendy Whittle
Department of Obstetrics & Gynaecology
2 shared papers, latest 2022
Jacob Langer
Department of Surgery
2 shared papers, latest 2021
Stefania Ronzoni
Department of Obstetrics & Gynaecology
1 shared papers, latest 2018
Amanda Selk
Department of Obstetrics & Gynaecology
1 shared papers, latest 2022
Julia Kfouri
Department of Obstetrics & Gynaecology
1 shared papers, latest 2021
Ayodele Odutayo
Department of Medicine
1 shared papers, latest 2011
Howard Clarke
Department of Surgery
1 shared papers, latest 2016
Stephen Lapinsky
Department of Medicine
1 shared papers, latest 2022
Alison Macarthur
Department of Anesthesiology and Pain Medicine
1 shared papers, latest 2013
Rachel Silver
Comparative Education
1 shared papers, latest 2018
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Profile data last refreshed on September 29, 2026 from the university directory, publication records and public research funding records.