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Valve Research Group

Affiliated with



The VRG team collaborates extensively wit the Valve Research Group of prof. Mahmood (Harvard) and with the Gorman Cardiovascular Research Group (uPenn). This collaboration exists of data sharing, research fellowships and collaborations in larger research projects. We have certain points of interest, although we are continuously searching for interesting research topics regarding cardiac valves. Our main research topics are:
3D Trans-esophageal echocardiography (TEE)
Withe the data generated from 3d TEE, we are able to analyse many parameters regarding cardiac function. Our highly specialised software (TomTec) allowes us to do so. 
Mitral Valve Analysis


The VRG is a versatile group and provides not only a healthy research envoirnment for students, but has also many educational goals. We run multiple annual training programs for residents, scrub nurses, medschool students and fellow physicians. Here are some of our programs:

  • Surgical cardiac anatomy course

       In this fun, hands-on training by our professional surgical staff, students are educated in the detailed                cardiac anatomy using porcine hearts. 

  • High fidelity cardiac surgical training for residents in our state of the art training OR 

       ​Our training facility contains all the equipment that a normal OR has to offer. With our specially                       developed technique to perform beating heart surgery on preserved human cadavers, we are able to                 mimic a real OR setting for training purposes. 

  • Trans-esophageal echocardiography (TEE) training

       Our team provides annual TEE  ​training for residents or whoever is interested. This hands-on training                is provided using a unique TEE simulator for best possible results. 



Massimo Mariani
Prof. Massimo Mariani

Chief of Cardio-Thoracic Surgery UMCG
Arash Khamooshian
Drs. Arash Khamooshian

Cardio-Thoracic Surgeon EMC
Wobbe Bouma
Dr. Wobbe Bouma

Cardio-Thoracic Surgeon,
Jayant S. Jainandunsing
Drs. Jayant S. Jainandunsing
Cardiac Anesthesiologist UMCG
Inez Wijdh-den Hamer
Drs. Inez Wijdh-den Hamer
Cardio-Thoracic Surgeon UMCG
Gianclaudio Mecozzi
Drs. Gianclaudio Mecozzi
Cardio-Thoracic Surgeon UMCG
 Lu Yeh
Drs. Lu Yeh

Cardiac Anesthesiologist UMCG
Thomas Scheeren
Prof. Thomas Scheeren

Cardiac Anesthesiologist UMCG
Prof. Feroze Mahmood
Division Chief Cardiac and Vascular Anesthesia BIDMC
Harvard Medical School
Prof. Robert C. Gorman

Director, Cardiac Surgical Research
University of Pennsylvania
Ass. Prof. Kamal R. Khabbaz
Chief, Cardiac Surgery
Harvard Medical School
Prof. Joseph H. Gorman, III
Cardiac Surgeon
University of Pennsylvania
Prof. Robina Matyal
Cardiac Anesthesiologist BIDMC
Harvard Medical School





T4. 238  /  UMCG

Postbus 30 001

Hanzeplein 1

9700 RB Groningen

Tel: 050 -  3613238

RG-633 / EMC

Postbus 2040

Dr. Molewaterplein 40, 3015 GD Rotterdam

Tel: 010 7035411

For any general inquiries, please fill in the following contact form:

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