Jenny Bolk

About me
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About me

Medical Doctor, specialist in Pediatrics and Neonatology.
Senior consultant in neonatology, Sachs´ Children and Youth Hospital.
Postdoc, Clinical Epidemiology unit, Department of Medicin Solna, and KI
SÖS, KI.
Medical degree, Karolinska Institutet, 1998.
Specialist in pediatrics, Karolinska University Hospital, 2008.
Specialist in Neonatology, Karolinska University Hospital, 2012.
PhD 2018, Karolinska Institutet.

Research

I defended my thesis in 2018 on the development of children born extremely
preterm at early school age. My main research interests are prematurity,
perinatal stroke, asphyxia and later outcome.

Teaching

Lecturer on the Medical program, the Midwife program and the Psychology
program on KI.
Responsilble for the course Acute pediatrics, acute obstetrics and
neonatology at KI.
Supervises PhD students

Articles

Article: PEDIATRIC RESEARCH. 2024;95(4):1070-1079

Language performance and brain volumes, asymmetry, and cortical thickness in children born extremely preterm.

Kvanta H; Bolk J; Broström L; Nosko D; Fernández de Gamarra-Oca L; Padilla N; Ådén U
Article: BMJ-BRITISH MEDICAL JOURNAL. 2024;384:e075630

Neurological development in children born moderately or late preterm: national cohort study.

Mitha A; Chen R; Razaz N; Johansson S; Stephansson O; Altman M; Bolk J
Article: ACTA PAEDIATRICA. 2023;112(9):1907-1915

Term-born infants with a perinatal stroke frequently had seizures and were prescribed anti-seizure medication at discharge.

Barsch Bergqvist A; Simatou E; Skiöld B; Mitha A; Bolk J
Article: SCIENTIFIC REPORTS. 2023;13(1):12569

First stage of labour duration and associated risk of adverse neonatal outcomes.

Lundborg L; Åberg K; Sandström A; Liu X; Tilden EL; Bolk J; Ladfors LV; Stephansson O; Ahlberg M
Article: EUROPEAN JOURNAL OF PAEDIATRIC NEUROLOGY. 2023;45:14-18

Changes in prevalence of non-optimal neurological condition between 6.5 and 12 years in children born extremely preterm.

Nosko D; Broström L; Bolk J; Ådén U; Örtqvist M
Article: PAEDIATRIC AND PERINATAL EPIDEMIOLOGY. 2023;37(4):276-286

The Stockholm-Gotland perinatal cohort-A population-based cohort including longitudinal data throughout pregnancy and the postpartum period.

Johansson K; Granfors M; Petersson G; Bolk J; Altman M; Cnattingius S; Liu X; Sandström A; Stephansson O
Article: ACTA PAEDIATRICA. 2023;112(4):675-685

Perinatal risk factors for developmental coordination disorder in children born extremely preterm.

Bolk J; Källén K; Farooqi A; Hafström M; Fellman V; Åden U; Serenius F
Article: ACTA PAEDIATRICA. 2023;112(4):667-674

Low Apgar score and need for resuscitation increased the probability of receiving therapeutic hypothermia more strongly than acidosis at birth.

Lagerström I; Daugeliene D; Bolk J; Cnattingius S; Skiöld B; Altman M; Johansson S
Article: FRONTIERS IN NEUROLOGY. 2023;14:1148781

Extreme prematurity and perinatal risk factors related to extremely preterm birth are associated with complex patterns of regional brain volume alterations at 10 years of age: a voxel-based morphometry study.

Kvanta H; Bolk J; Broström L; Fernández de Gamarra-Oca L; Padilla N; Ådén U
Article: NEUROLOGY. 2022;98(19):e1953-e1963

Risk of Autism After Pediatric Ischemic Stroke: A Nationwide Cohort Study.

Sundelin H; Söderling J; Bang P; Bolk J
Article: PAEDIATRIC AND PERINATAL EPIDEMIOLOGY. 2022;36(3):412-421

Adverse motor outcome after paediatric ischaemic stroke: A nationwide cohort study.

Svensson K; Walås A; Bolk J; Bang P; Sundelin HEK
Article: JAMA NETWORK OPEN. 2022;5(4):e228884

Association of Perinatal and Childhood Ischemic Stroke With Attention-Deficit/Hyperactivity Disorder.

Bolk J; Simatou E; Söderling J; Thorell LB; Persson M; Sundelin H
Article: JOURNAL OF PEDIATRICS. 2021;233:43-50.e5

Neonatal Morbidities in Infants Born Late Preterm at 35-36 Weeks of Gestation: A Swedish Nationwide Population-based Study.

Mitha A; Chen R; Altman M; Johansson S; Stephansson O; Bolk J
Article: PLOS ONE. 2021;16(11):e0259717

Exploring the distribution of grey and white matter brain volumes in extremely preterm children, using magnetic resonance imaging at term age and at 10 years of age.

Kvanta H; Bolk J; Strindberg M; Jiménez-Espinoza C; Broström L; Padilla N; Ådén U
Article: BMC PREGNANCY AND CHILDBIRTH. 2020;20(1):700

Could a multidisciplinary regional audit identify avoidable factors and delays that contribute to stillbirths? A retrospective cohort study.

Sterpu I; Bolk J; Perers Öberg S; Hulthén Varli I; Wiberg Itzel E
Article: JOURNAL OF AAPOS. 2020;24(1):28.e1-28.e8

Cerebral visual impairment captured with a structured history inventory in extremely preterm born children aged 6.5 years.

Hellgren K; Jacobson L; Frumento P; Bolk J; Ådén U; Libertus ME; Benassi M
Article: DEVELOPMENTAL MEDICINE AND CHILD NEUROLOGY. 2018;60(8):826-832

Minor neurological dysfunction and associations with motor function, general cognitive abilities, and behaviour in children born extremely preterm.

Broström L; Vollmer B; Bolk J; Eklöf E; Ådén U
Article: JAMA PEDIATRICS. 2018;172(8):765-774

Developmental Coordination Disorder and Its Association With Developmental Comorbidities at 6.5 Years in Apparently Healthy Children Born Extremely Preterm.

Bolk J; Farooqi A; Hafström M; Åden U; Serenius F
Article: ACTA PAEDIATRICA. 2018;107(5):831-837

National population-based cohort study found that visual-motor integration was commonly affected in extremely preterm born children at six-and-a-half years.

Bolk J; Fredriksson Kaul Y; Hellström-Westas L; Stjernqvist K; Padilla N; Serenius F; Hellgren K; Åden U
Article: BMJ OPEN. 2018;8(2):e020478

Visual-motor integration and fine motor skills at 6½ years of age and associations with neonatal brain volumes in children born extremely preterm in Sweden: a population-based cohort study.

Bolk J; Padilla N; Forsman L; Broström L; Hellgren K; Åden U
Article: PLOS ONE. 2016;11(2):e0149578

Clinical Implications of Diffuse Excessive High Signal Intensity (DEHSI) on Neonatal MRI in School Age Children Born Extremely Preterm.

Broström L; Bolk J; Padilla N; Skiöld B; Eklöf E; Mårtensson G; Vollmer B; Ådén U
Article: PEDIATRIC BLOOD & CANCER. 2008;51(1):76-81

Incidence of Langerhans cell histiocytosis in children: a population-based study.

Stålemark H; Laurencikas E; Karis J; Gavhed D; Fadeel B; Henter J-I
Article: PEDIATRIC RESEARCH. 2006;59(2):281-286

Elevated serum levels of the decoy receptor osteoprotegerin in children with Langerhans cell histiocytosis.

Rosso DA; Karis J; Braier JL; Henter J-I; Fadeel B
Article: AIDS RESEARCH AND HUMAN RETROVIRUSES. 1996;12(9):821-828

Biological phenotype of HIV type 2 isolates correlates with V3 genotype.

Albert J; Stålhandske P; Marquina S; Karis J; Fouchier RA; Norrby E; Chiodi F
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All other publications

Review: ACTA PAEDIATRICA. 2023;112(12):2468-2477

Stabilisation and resuscitation with intact cord circulation is feasible using a wide variety of approaches; a scoping review.

Alikhani VS; Thies-Lagergren L; Svedenkrans J; Elfvin A; Bolk J; Andersson O
KI thesis / dissertation: 2018

Extremely preterm birth : brain imaging and outcome at early school-age

Bolk, Jenny
Meeting abstract: PEDIATRIC RESEARCH. 2011;70:194

INTERNATIONAL TRENDS IN NEUROIMAGING IN NEONATAL ENCEPHALOPATHY

Merchant N; Ojha S; Bolk J; Malloy EJ

Employments

Adjunct Lecturer, Department of Medicine, Karolinska Institutet, 2023-2024
Adjunct Lecturer, Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, 2021-2024

Degrees and Education

Degree Of Doctor Of Philosophy, Department of Women's and Children's Health, Karolinska Institutet, 2018
University Medical Degree, Karolinska Institutet, 1998

About me

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