dr. P.M.A. Lemmers

dr. P.M.A. Lemmers

Associate Professor - medical
  • Birth Center Neonatology - Medical



Petra Lemmers was graduated in medical science at Leiden University in the Netherlands (cum laude) and was trained in pediatrics at the Sophia Children’s Hospital/Erasmus University Hospital Rotterdam (NL) and in neonatal medicine in the Isala Clinics Zwolle (NL) and the Wilhelmina Children’s Hospital/University Medical Center Utrecht (NL).

At the present time she is associate professor in neonatology (research school Child Health, University Medical Center Utrecht) and is  working as a consultant neonatologist at the NICU of the Wilhelmina Children’s Hospital Utrecht. She is also involved as an expert in the customer excellence program 'Samen voor de Patient!' of the University Medical Center Utrecht.

The main focus of research on the NICU  is the neonatal brain: brain monitoring, brain hemodynamics, neuroprotection, brain imaging and neurodevelopmental outcome (prof Manon Benders and prof Linda de Vries; research schools Brain and Child Health ). In 2003 she started her research concerning the clinical use of non-invasive cerebral monitoring by near infrared spectroscopy (NIRS) in (preterm) neonates admitted on the NICU. She defended her thesis “The clinical use of near infrared spectroscopy‐monitored cerebral oxygen saturation and extraction in the preterm infant” in 2010 and published until now > 70 peer reviewed papers about this subject in prominent scientific journals.

Nowadays on the NICU the brain of preterm infants, neonates after perinatal asphyxia and all infants undergoing surgery in the neonatal period is monitored by NIRS during the most vulnerable period after birth: during transition, during treatment with hypothermia, but also during surgery.

She also participates in national and international collaborative projects concerning NIRS (SafeBoosc-trial: prof Gorm Greisen Kopenhagen Denmark; TOHOP-trail/cerebral hemodynamics: prof Istvan Seri Los Angeles USA, currently Doha Quatar; NIRS-project concerning monitoring cerebral autoregulatory ability: prof Gunnar Naulaers and prof Sabine van Huffel Leuven, Belgium. She is supervising several PhD students and is involved in education programs concerning brain monitoring in neonates in the Netherlands and abroad.

Side Activities

Member Society of Pediatric Research

Member European Society of Pediatric Research

Board member pediatric post-gradual education (Stichting PAOK Midden Nederland)

Member Dutch society of Pediatrics  (NVK): Neonatology; neonatal neurology, neonatal hemodynamics

Fellowship and Awards

2012 Grant NutsOhra Foundation

2011Grant UMCU/WKZ Foundation

Research Output (98)

Brain injury and long-term outcome after neonatal surgery for non-cardiac congenital anomalies

Aalten Mark, Tataranno Maria Luisa, Dudink Jeroen, Lemmers Petra M A, Lindeboom Maud Y A, Benders Manon J N L 2023, In: Pediatric Research. 94 , p. 1265-1272 8 p.

Neuromonitoring in neonatal critical care part I:neonatal encephalopathy and neonates with possible seizures

El-Dib Mohamed, Abend Nicholas S, Austin Topun, Boylan Geraldine, Chock Valerie, Cilio M Roberta, Greisen Gorm, Hellström-Westas Lena, Lemmers Petra, Pellicer Adelina, Pressler Ronit M, Sansevere Arnold, Tsuchida Tammy, Vanhatalo Sampsa, Wusthoff Courtney J, 7 Dec 2022, In: Pediatric Research. 94 , p. 64-73 10 p.

Neuromonitoring in neonatal critical care part II:extremely premature infants and critically ill neonates

El-Dib Mohamed, Abend Nicholas S, Austin Topun, Boylan Geraldine, Chock Valerie, Cilio M Roberta, Greisen Gorm, Hellström-Westas Lena, Lemmers Petra, Pellicer Adelina, Pressler Ronit M, Sansevere Arnold, Szakmar Eniko, Tsuchida Tammy, Vanhatalo Sampsa, Wusthoff Courtney J, 25 Nov 2022, In: Pediatric Research. 94 , p. 55-63 9 p.

Delayed Surgical Closure of the Patent Ductus Arteriosus:does the Brain pay the Price?

Lemmers Petra, Vijlbrief Daniel, Benders Manon, Alderliesten Thomas, Veldhuis Moniek, Baerts Wim, Koopman-Esseboom Corine, Groenendaal Floris, van Bel Frank 11 Oct 2022, In: The Journal of Pediatrics. 254 , p. 25-32 8 p.

Early cerebral hypoxia in extremely preterm infants and neurodevelopmental impairment at 2 year of age:A post hoc analysis of the SafeBoosC II trial

Plomgaard Anne Mette, Schwarz Christoph E, Claris Olivier, Dempsey Eugene M, Fumagalli Monica, Hyttel-Sorensen Simon, Lemmers Petra, Pellicer Adelina, Pichler Gerhard, Greisen Gorm 24 Jan 2022, In: PLoS ONE. 17

Expectative management of a patent ductus arteriosus: pays the brain the price?

Vijlbrief D, van Bel Frank, Lemmers PM, Alderliesten Thomas, Benders M, Baerts Wim 15 Sep 2021,

Prenatal Use of Sildenafil in Fetal Growth Restriction and Its Effect on Neonatal Tissue Oxygenation-A Retrospective Analysis of Hemodynamic Data From Participants of the Dutch STRIDER Trial

Terstappen Fieke, Richter Anne E, Lely A Titia, Hoebeek Freek E, Elvan-Taspinar Ayten, Bos Arend F, Ganzevoort Wessel, Pels Anouk, Lemmers Petra M, Kooi Elisabeth M W 3 Dec 2020, In: Frontiers in Pediatrics. 8 , p. 1-11

Cerebral near-infrared spectroscopy monitoring versus treatment as usual for extremely preterm infants:a protocol for the SafeBoosC randomised clinical phase III trial

Hansen Mathias Lühr, Pellicer Adelina, Gluud Christian, Dempsey Eugene, Mintzer Jonathan, Hyttel-Sørensen Simon, Heuchan Anne Marie, Hagmann Cornelia, Ergenekon Ebru, Dimitriou Gabriel, Pichler Gerhard, Naulaers Gunnar, Cheng Guoqiang, Guimarães Hercilia, Tkaczyk Jakub, Kreutzer Karen B, Fumagalli Monica, Claris Olivier, Lemmers Petra, Fredly Siv, Szczapa Tomasz, Austin Topun, Jakobsen Janus Christian, Greisen Gorm 30 Dec 2019, In: Trials. 20

Brain Activity and Cerebral Oxygenation After Perinatal Arterial Ischemic Stroke Are Associated With Neurodevelopment

Wagenaar Nienke, van den Berk Daphne J. M., Lemmers Petra M. A., van der Aa Niek E., Dudink Jeroen, van Bel Frank, Groenendaal Floris, de Vries Linda S., Benders Manon J. N. L., Alderliesten Thomas 8 Aug 2019, In: Stroke. 50 , p. 2668-2676 9 p.

All research output

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