Publications 2024

Hapnes NC, Stensvold HJ, Bjørnland K, Sæter T, Guthe HJT, Støen R, Moltu SJ, Rønnestad A, Klingenberg C, Norwegian Neonatal Network (2024)
Surgery for intestinal injuries in very preterm infants: a Norwegian population-based study with a new approach to disease classification
BMJ Paediatr Open, 8 (1)
DOI 10.1136/bmjpo-2024-002722, PubMed 39299770

Huncikova Z, Stensvold HJ, Øymar KAA, Vatne A, Lang AM, Støen R, Brigtsen AK, Moster D, Eriksen BH, Selberg T, Rønnestad A, Klingenberg C (2024)
Variation in antibiotic consumption in very preterm infants-a 10 year population-based study
J Antimicrob Chemother, 79 (1), 143-150
DOI 10.1093/jac/dkad358, PubMed 37986613

Publications 2023

Brekke SM, Halvorsen ST, Bjørkvoll J, Thorsby PM, Rønnestad A, Zykova SN, Bakke LH, Dahl SR, Haaland K, Eger SHW, Solberg MT, Solevåg AL (2023)
The association between infant salivary cortisol and parental presence in the neonatal intensive care unit during and after COVID-19 visitation restrictions: A cross-sectional study
Early Hum Dev, 182, 105788
DOI 10.1016/j.earlhumdev.2023.105788, PubMed 37224589

Huncikova Z, Vatne A, Stensvold HJ, Lang AM, Støen R, Brigtsen AK, Salvesen B, Øymar KAA, Rønnestad A, Klingenberg C, Norwegian Neonatal Network (2023)
Late-onset sepsis in very preterm infants in Norway in 2009-2018: a population-based study
Arch Dis Child Fetal Neonatal Ed, 108 (5), 478-484
DOI 10.1136/archdischild-2022-324977, PubMed 36732047

Stenersen EO, Olsen A, Melheim M, Solberg R, Dannevig I, Schmölzer G, Cheung PY, Nakstad B, Saugstad OD, Rønnestad A, Solevåg AL (2023)
A Piglet Perinatal Asphyxia Model to Study Cardiac Injury and Hemodynamics after Cardiac Arrest, Resuscitation, and the Return of Spontaneous Circulation
J Vis Exp (191)
DOI 10.3791/64788, PubMed 36715405

Wik G, Jortveit J, Sitras V, Perminow KV, Pripp AH, Døhlen G, Rønnestad A, Holmstrøm H (2023)
Detection of severe congenital heart defects in live-born infants in Norway 2017-2020
Acta Paediatr, 113 (1), 135-142
DOI 10.1111/apa.16953, PubMed 37646094

Publications 2022

Rød I, Jørstad AK, Aagaard H, Rønnestad A, Solevåg AL (2022)
Advanced Clinical Neonatal Nursing Students' Transfer of Performance: From Skills Training With Real-Time Feedback on Ventilation to a Simulated Neonatal Resuscitation Scenario
Front Pediatr, 10, 866775
DOI 10.3389/fped.2022.866775, PubMed 35509829

Publications 2021

Mundal HS, Rønnestad A, Klingenberg C, Stensvold HJ, Størdal K (2021)
Antibiotic Use in Term and Near-Term Newborns
Pediatrics, 148 (6)
DOI 10.1542/peds.2021-051339, PubMed 34814187

Størdal EH, Solevåg AL, Bjørnholt JV, Rønnestad A, Stensvold HJ (2021)
Sepsis treatment options identified by 10-year study of microbial isolates and antibiotic susceptibility in a level-four neonatal intensive care unit
Acta Paediatr, 111 (3), 519-526
DOI 10.1111/apa.16189, PubMed 34787905

Publications 2018

de la Rosa Carrillo D, Vindenes H, Kinsler VA, Rønnestad A, Ringstad G, Müller LO, Tafjord S, Tønseth KA, Kvamme B, Clausen OPF (2018)
Aggressive melanoma in an infant with congenital melanocytic nevus syndrome and multiple, NRAS and BRAF mutation-negative nodules
Pediatr Dermatol, 35 (5), e281-e285
DOI 10.1111/pde.13595, PubMed 29999207

Publications 2017

Klitkou ST, Iversen T, Stensvold HJ, Rønnestad A (2017)
Use of hospital-based health care services among children aged 1 through 9 years who were born very preterm - a population-based study
BMC Health Serv Res, 17 (1), 571
DOI 10.1186/s12913-017-2498-3, PubMed 28818072

Publications 2016

Burns ML, Stensvold HJ, Risnes K, Guthe HJ, Astrup H, Nordhov SM, Selberg TR, Rønnestad A, Lang AM, Norwegian Neonatal Network (2016)
Inotropic Therapy in Newborns, A Population-Based National Registry Study
Pediatr Crit Care Med, 17 (10), 948-956
DOI 10.1097/PCC.0000000000000898, PubMed 27500723

Publications 2014

Moltu SJ, Blakstad EW, Strømmen K, Almaas AN, Nakstad B, Rønnestad A, Brække K, Veierød MB, Drevon CA, Iversen PO, Westerberg AC (2014)
Enhanced feeding and diminished postnatal growth failure in very-low-birth-weight infants
J Pediatr Gastroenterol Nutr, 58 (3), 344-51
DOI 10.1097/MPG.0000000000000220, PubMed 24556755

Moltu SJ, Sachse D, Blakstad EW, Strømmen K, Nakstad B, Almaas AN, Westerberg AC, Rønnestad A, Brække K, Veierød MB, Iversen PO, Rise F, Berg JP, Drevon CA (2014)
Urinary metabolite profiles in premature infants show early postnatal metabolic adaptation and maturation
Nutrients, 6 (5), 1913-30
DOI 10.3390/nu6051913, PubMed 24824288

Stray-Pedersen A, Backe PH, Sorte HS, Mørkrid L, Chokshi NY, Erichsen HC, Gambin T, Elgstøen KB, Bjørås M, Wlodarski MW, Krüger M, Jhangiani SN, Muzny DM, Patel A, Raymond KM, Sasa GS, Krance RA, Martinez CA, Abraham SM, Speckmann C, Ehl S, Hall P, Forbes LR, Merckoll E, Westvik J et al. (2014)
PGM3 mutations cause a congenital disorder of glycosylation with severe immunodeficiency and skeletal dysplasia
Am J Hum Genet, 95 (1), 96-107
DOI 10.1016/j.ajhg.2014.05.007, PubMed 24931394

Publications 2013

Mitra S, Rønnestad A, Holmstrøm H (2013)
Management of patent ductus arteriosus in preterm infants--where do we stand?
Congenit Heart Dis, 8 (6), 500-12
DOI 10.1111/chd.12143, PubMed 24127861

Publications 2012

Lindenskov PH, Rønnestad A, Skari H (2012)
An infant's failure to thrive ended in death
Tidsskr Nor Laegeforen, 132 (17), 1964-7
DOI 10.4045/tidsskr.11.1026, PubMed 23007361

Moltu SJ, Strømmen K, Blakstad EW, Almaas AN, Westerberg AC, Brække K, Rønnestad A, Nakstad B, Berg JP, Veierød MB, Haaland K, Iversen PO, Drevon CA (2012)
Enhanced feeding in very-low-birth-weight infants may cause electrolyte disturbances and septicemia--a randomized, controlled trial
Clin Nutr, 32 (2), 207-12
DOI 10.1016/j.clnu.2012.09.004, PubMed 23043722

Publications 2011

Leversen KT, Sommerfelt K, Rønnestad A, Kaaresen PI, Farstad T, Skranes J, Støen R, Bircow Elgen I, Rettedal S, Egil Eide G, Irgens LM, Markestad T (2011)
Prediction of neurodevelopmental and sensory outcome at 5 years in Norwegian children born extremely preterm
Pediatrics, 127 (3), e630-8
DOI 10.1542/peds.2010-1001, PubMed 21321031

Publications 2010

Granslo HN, Klingenberg C, Fredheim EG, Rønnestad A, Mollnes TE, Flaegstad T (2010)
Arginine catabolic mobile element is associated with low antibiotic resistance and low pathogenicity in Staphylococcus epidermidis from neonates
Pediatr Res, 68 (3), 237-41
DOI 10.1203/PDR.0b013e3181eb01e0, PubMed 20703143

Leversen KT, Sommerfelt K, Rønnestad A, Kaaresen PI, Farstad T, Skranes J, Støen R, Elgen IB, Rettedal S, Eide GE, Irgens LM, Markestad T (2010)
Predicting neurosensory disabilities at two years of age in a national cohort of extremely premature infants
Early Hum Dev, 86 (9), 581-6
DOI 10.1016/j.earlhumdev.2010.07.009, PubMed 20800392

Rønnestad A, Rootwelt T, Hansen TWR (2010)
Nevrologiske tilstander hos nyfødte
In Nevrologi og nevrokirurgi. Fra barn til voksen. (Gjerstad L, Helseth E, Rosales A, eds.), Vett og Viten, 1361 Høvik, 5, 159-76
PublikaID 119, ISBN 978-82-412-0686-3

Westerberg AC, Henriksen C, Ellingvåg A, Veierød MB, Júlíusson PB, Nakstad B, Aurvåg AK, Rønnestad A, Grønn M, Iversen PO, Drevon CA (2010)
First year growth among very low birth weight infants
Acta Paediatr, 99 (4), 556-62
DOI 10.1111/j.1651-2227.2009.01667.x, PubMed 20096031

Publications 2009

Haugen G, Rønnestad A, Kroken M (2009)
Variations in fetal phenotype in Prader-Willi syndrome
Prenat Diagn, 29 (3), 294
DOI 10.1002/pd.2207, PubMed 19248040

Henriksen C, Westerberg AC, Rønnestad A, Nakstad B, Veierød MB, Drevon CA, Iversen PO (2009)
Growth and nutrient intake among very-low-birth-weight infants fed fortified human milk during hospitalisation
Br J Nutr, 102 (8), 1179-86
DOI 10.1017/S0007114509371755, PubMed 19445820

Westby Wold SH, Sommerfelt K, Reigstad H, Rønnestad A, Medbø S, Farstad T, Kaaresen PI, Støen R, Leversen KT, Irgens LM, Markestad T (2009)
Neonatal mortality and morbidity in extremely preterm small for gestational age infants: a population based study
Arch Dis Child Fetal Neonatal Ed, 94 (5), F363-7
DOI 10.1136/adc.2009.157800, PubMed 19439434

Publications 2008

Henriksen C, Haugholt K, Lindgren M, Aurvåg AK, Rønnestad A, Grønn M, Solberg R, Moen A, Nakstad B, Berge RK, Smith L, Iversen PO, Drevon CA (2008)
Improved cognitive development among preterm infants attributable to early supplementation of human milk with docosahexaenoic acid and arachidonic acid
Pediatrics, 121 (6), 1137-45
DOI 10.1542/peds.2007-1511, PubMed 18519483

Publications 2007

Klingenberg C, Rønnestad A, Anderson AS, Abrahamsen TG, Zorman J, Villaruz A, Flaegstad T, Otto M, Sollid JE (2007)
Persistent strains of coagulase-negative staphylococci in a neonatal intensive care unit: virulence factors and invasiveness
Clin Microbiol Infect, 13 (11), 1100-11
DOI 10.1111/j.1469-0691.2007.01818.x, PubMed 17850346

Saugstad OD, Hansen TW, Rønnestad A, Nakstad B, Tølløfsrud PA, Reinholt F, Hamvas A, Coles FS, Dean M, Wert SE, Whitsett JA, Nogee LM (2007)
Novel mutations in the gene encoding ATP binding cassette protein member A3 (ABCA3) resulting in fatal neonatal lung disease
Acta Paediatr, 96 (2), 185-90
DOI 10.1111/j.1651-2227.2007.00016.x, PubMed 17429902

Publications 2006

Henriksen C, Helland IB, Rønnestad A, Grønn M, Iversen PO, Drevon CA (2006)
Fat-soluble vitamins in breast-fed preterm and term infants
Eur J Clin Nutr, 60 (6), 756-62
DOI 10.1038/sj.ejcn.1602379, PubMed 16452918

Rønnestad A (2006)
Neonatal septicaemia: epidemiology, diagnostic and therapeutic aspects
In Series of dissertations submitted to the Faculty of Medicine, University of Oslo, Unipub, Oslo, no. 370, 1 b. (flere pag.)
BIBSYS 060065346, ISBN 82-8072-833-3

Publications 2005

Klingenberg C, Aarag E, Rønnestad A, Sollid JE, Abrahamsen TG, Kjeldsen G, Flaegstad T (2005)
Coagulase-negative staphylococcal sepsis in neonates. Association between antibiotic resistance, biofilm formation and the host inflammatory response
Pediatr Infect Dis J, 24 (9), 817-22
DOI 10.1097/01.inf.0000176735.20008.cd, PubMed 16148849

Markestad T, Kaaresen PI, Rønnestad A, Reigstad H, Lossius K, Medbø S, Zanussi G, Engelund IE, Skjaerven R, Irgens LM, Norwegian Extreme Prematurity Study Group (2005)
Early death, morbidity, and need of treatment among extremely premature infants
Pediatrics, 115 (5), 1289-98
DOI 10.1542/peds.2004-1482, PubMed 15867037

Rønnestad A, Abrahamsen TG, Medbø S, Reigstad H, Lossius K, Kaaresen PI, Egeland T, Engelund IE, Irgens LM, Markestad T (2005)
Late-onset septicemia in a Norwegian national cohort of extremely premature infants receiving very early full human milk feeding
Pediatrics, 115 (3), e269-76
DOI 10.1542/peds.2004-1833, PubMed 15687416

Rønnestad A, Abrahamsen TG, Medbø S, Reigstad H, Lossius K, Kaaresen PI, Engelund IE, Irgens LM, Markestad T (2005)
Septicemia in the first week of life in a Norwegian national cohort of extremely premature infants
Pediatrics, 115 (3), e262-8
DOI 10.1542/peds.2004-1834, PubMed 15687417

Publications 2004

Klingenberg C, Sundsfjord A, Rønnestad A, Mikalsen J, Gaustad P, Flaegstad T (2004)
Phenotypic and genotypic aminoglycoside resistance in blood culture isolates of coagulase-negative staphylococci from a single neonatal intensive care unit, 1989-2000
J Antimicrob Chemother, 54 (5), 889-96
DOI 10.1093/jac/dkh453, PubMed 15471996

Publications 2000

Hansen TW, Finne PH, Grønn M, Rønnestad A, Rootwelt T (2000)
[To get a premature baby]
Tidsskr Nor Laegeforen, 120 (30), 3815-6
PubMed 11215967

Publications 1999

Rønnestad A, Abrahamsen TG, Gaustad P, Finne PH (1999)
Antibiotic susceptibility of blood culture isolates after nearly two decades with netilmicin and ampicillin in neonatal septicaemia
APMIS, 107 (2), 257-62
DOI 10.1111/j.1699-0463.1999.tb01552.x, PubMed 10225325

Rønnestad A, Abrahamsen TG, Gaustad P, Finne PH (1999)
C-reactive protein (CRP) response patterns in neonatal septicaemia
APMIS, 107 (6), 593-600
DOI 10.1111/j.1699-0463.1999.tb01597.x, PubMed 10379687

Publications 1998

Rønnestad A, Abrahamsen TG, Gaustad P, Finne PH (1998)
Blood culture isolates during 6 years in a tertiary neonatal intensive care unit
Scand J Infect Dis, 30 (3), 245-51
DOI 10.1080/00365549850160873, PubMed 9790131

Publications 1995

Rønnestad A, Moe PJ, Breivik N (1995)
Enhancement of erythropoiesis by erythropoietin, bovine protein and energy fortified mother's milk during anaemia of prematurity
Acta Paediatr, 84 (7), 809-11
DOI 10.1111/j.1651-2227.1995.tb13762.x, PubMed 7549303