Publications 2021

Stordal EH, Solevag AL, Bjornholt JV, Ronnestad 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.
DOI 10.1111/apa.16189

Publications 2018

Carrillo DD, Vindenes H, Kinsler VA, Ronnestad A, Ringstad G, Muller LSO, Tafjord S, Tonseth 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

Publications 2017

Klitkou ST, Iversen T, Stensvold HJ, Ronnestad 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, 571
DOI 10.1186/s12913-017-2498-3

Publications 2016

Burns ML, Stensvold HJ, Risnes K, Guthe HJ, Astrup H, Nordhov SM, Selberg TR, Ronnestad 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

Publications 2014

Moltu SJ, Blakstad EW, Strommen K, Almaas AN, Nakstad B, Ronnestad A, Broekke K, Veierod 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), 344-351
DOI 10.1097/MPG.0000000000000220

Moltu SJ, Sachse D, Blakstad EW, Strommen K, Nakstad B, Almaas AN, Westerberg AC, Ronnestad A, Braekke K, Veierod 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), 1913-1930
DOI 10.3390/nu6051913

Stray-Pedersen A, Backe PH, Sorte HS, Morkrid L, Chokshi NY, Erichsen HC, Gambin T, Elgstoen KBP, Bjoras M, Wlodarski MW, Kruger 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

Publications 2013

Mitra S, Ronnestad A, Holmstrom H (2013)
Management of Patent Ductus Arteriosus in Preterm Infants-Where Do We Stand?
Congenit. Heart Dis., 8 (6), 500-512
DOI 10.1111/chd.12143

Moltu SJ, Strommen K, Blakstad EW, Almaas AN, Westerberg AC, Braekke K, Ronnestad A, Nakstad B, Berg JP, Veierod MB, Haaland K, Iversen PO, Drevon CA (2013)
Enhanced feeding in very-low-birth-weight infants may cause electrolyte disturbances and septicemia - A randomized, controlled trial
Clin. Nutr., 32 (2), 207-212
DOI 10.1016/j.clnu.2012.09.004

Publications 2011

Leversen KT, Sommerfelt K, Ronnestad A, Kaaresen PI, Farstad T, Skranes J, Stoen R, Elgen IB, Rettedal S, Eide GE, Irgens LM, Markestad T (2011)
Prediction of Neurodevelopmental and Sensory Outcome at 5 Years in Norwegian Children Born Extremely Preterm
Pediatrics, 127 (3), E630-E638
DOI 10.1542/peds.2010-1001

Publications 2010

Granslo HN, Klingenberg C, Fredheim EGA, Ronnestad 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), 237-241
DOI 10.1203/PDR.0b013e3181eb01e0

Leversen KT, Sommerfelt K, Ronnestad A, Kaaresen PI, Farstad T, Skranes J, Stoen 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), 581-586
DOI 10.1016/j.earlhumdev.2010.07.009

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, Ellingvag A, Veierod MB, Juliusson PB, Nakstad B, Aurvag AK, Ronnestad A, Gronn M, Iversen PO, Drevon CA (2010)
First year growth among very low birth weight infants
Acta Paediatr., 99 (4), 556-562
DOI 10.1111/j.1651-2227.2009.01667.x

Publications 2009

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

Henriksen C, Westerberg AC, Ronnestad A, Nakstad B, Veierod 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), 1179-1186
DOI 10.1017/S0007114509371755

Wold SHW, Sommerfelt K, Reigstad H, Ronnestad A, Medbo S, Farstad T, Kaaresen PI, Stoen 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-F367
DOI 10.1136/adc.2009.157800

Publications 2008

Henriksen C, Haugholt K, Lindgren M, Aurvag AK, Ronnestad A, Gronn 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), 1137-1145
DOI 10.1542/peds.2007-1511

Publications 2007

Klingenberg C, Ronnestad 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), 1100-1111
DOI 10.1111/j.1469-0691.2007.01818.x

Saugstad OD, Hansen TWR, Ronnestad A, Nakstad B, Tollofsrud PA, Reinholt F, Hamvas A, Cole 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), 185-190
DOI 10.1111/j.1651-2227.2007.00016.x

Publications 2006

Henriksen C, Helland IB, Ronnestad A, Gronn M, Iversen PO, Drevon CA (2006)
Fat-soluble vitamins in breast-fed preterm and term infants
Eur. J. Clin. Nutr., 60 (6), 756-762
DOI 10.1038/sj.ejcn.1602379

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, Ronnestad A, Sollid JE, Abrahamsen TG, Kjeldsen G, Floegstad 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), 817-822
DOI 10.1097/01.inf.0000176735.20008.cd

Markestad T, Kaaresen PI, Ronnestad A, Reigstad H, Lossius K, Medbo S, Zanussi G, Engelund IE, Polit C, Skjaerven R, Irgens LM, Norwegian Extreme Prematurity Stud (2005)
Early death, morbidity, and need of treatment among extremely premature infants
Pediatrics, 115 (5), 1289-1298
DOI 10.1542/peds.2004-1482

Ronnestad A, Abrahamsen TG, Medbo 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-E276
DOI 10.1542/peds.2004-1833

Ronnestad A, Abrahamsen TG, Medbo 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-E268
DOI 10.1542/peds.2004-1834

Publications 2004

Klingenberg C, Sundsfjord A, Ronnestad 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), 889-896
DOI 10.1093/jac/dkh453

Publications 1999

Ronnestad 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), 257-262
DOI 10.1111/j.1699-0463.1999.tb01552.x

Ronnestad 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

Publications 1998

Ronnestad 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), 245-251

Publications 1995

RONNESTAD A, MOE PJ, BREIVIK N (1995)
ENHANCEMENT OF ERYTHROPOIESIS BY ERYTHROPOIETIN, BOVINE PROTEIN AND ENERGY FORTIFIED MOTHERS MILK DURING ANEMIA OF PREMATURITY
Acta Paediatr., 84 (7), 809-811