Dr. P.J. Hajenius MD PhD publications

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Publications Dr. P.J. Hajenius MD PhD

Position
Scientific staff member (UD)
Main activities
Patient care, Research
Specialisation
Gynecologist, perinatologist
Focus of research

Early pregnancy complications (miscarriage, ectopic pregnancy)

Preterm birth

Quality of care

2018

  • van den Berg MMJ, Dancet EAF, Erlikh T, van der Veen F, Goddijn M, Hajenius PJ, Patient-centered early pregnancy care: a systematic review of quantitative and qualitative studies on the perspectives of women and their partners. HUM REPROD UPDATE 2018;24 (1):106-118 [PubMed]

2016

  • Peelen MJCS, Kazemier BM, Ravelli ACJ, de Groot CJM, van der Post JAM, Mol BWJ, Hajenius PJ, Kok M, Impact of fetal gender on the risk of preterm birth, a national cohort study. ACTA OBSTET GYN SCAN 2016;95 (9):1034-1041 [PubMed]
  • Peelen MJ, Sheikh A, Kok M, Hajenius P, Zimmermann LJ, Kramer BW, Hukkelhoven CW, Reiss IK, Mol BW, Been JV, Tobacco control policies and perinatal health: a national quasi-experimental study. SCI REP-UK 2016;6:23907 [PubMed]

2015

  • Freeman LM, Bloemenkamp KW, Franssen MT, Papatsonis DN, Hajenius PJ, Hollmann MW, Woiski MD, Porath M, van den Berg HJ, van Beek E, Borchert OWHM, Schuitemaker N, Sikkema JM, Kuipers AHM, Logtenberg SLM, van der Salm PCM, Oude Rengerink K, Lopriore E, van den Akker-van Marle ME, le Cessie S, van Lith JM, Struys MM, Mol BWJ, Dahan A, Middeldorp JM, Patient controlled analgesia with remifentanil versus epidural analgesia in labour: randomised multicentre equivalence trial. BMJ-BRIT MED J 2015;350:h846 [PubMed]
  • Mol F, van Mello NM, Strandell A, Jurkovic D, Ross JA, Yalcinkaya TM, Barnhart KT, Verhoeve HR, Graziosi GC, Koks CA, Mol BW, Ankum WM, van der Veen F, Hajenius PJ, van Wely M [Contributors: Janssen ICAH, Kragt H, Hoek A, Trimbos-Kemper TCM, Broekmans FJM, Willemsen WNP, Dijkman AB, Thurkow AL, van Dessel HJHM, van der Linden PJQ, Bouwmeester FW, Oosterhuis GJE, van Beek JJ, Emanuel MH, Visser H, Doornbos JPR, Pernet PJM, Friederich J, Strandell K, Hogström L, Klinte I, Pettersson F, Sabetirad Z, Nilsson K, Tegerstedt G, Platz-Christensen JJ]] , Cost-effectiveness of salpingotomy and salpingectomy in women with tubal pregnancy (a randomized controlled trial). HUM REPROD 2015;30 (9):2038-2047 [PubMed]
  • van Baaren GJ, Peelen MJCS, Schuit E, van der Post JAM, Mol BWJ, Kok M, Hajenius PJ, Preterm birth in singleton and multiple pregnancies: evaluation of costs and perinatal outcomes. EUR J OBSTET GYN R B 2015;186:34-41 [PubMed]
  • van den Berg MMJ, Goddijn M, Ankum WM, van Woerden EE, van der Veen F, van Wely M, Hajenius PJ, Early pregnancy care over time: should we promote an early pregnancy assessment unit?. REPROD BIOMED ONLINE 2015;31 (2):192-198 [PubMed]
  • van Mello NM, Mol F, Hajenius PJ, Ankum WM, Mol BW, van der Veen F, van Wely M, Randomized comparison of health-related quality of life in women with ectopic pregnancy or pregnancy of unknown location treated with systemic methotrexate or expectant management. EUR J OBSTET GYN R B 2015;192:1-5 [PubMed]

2014

  • Mol F, van Mello NM, Strandell A, Strandell K, Jurkovic D, Ross J, Barnhart KT, Yalcinkaya TM, Verhoeve HR, Graziosi GCM, Koks CAM, Klinte I, Hogström L, Janssen ICAH, Kragt H, Hoek A, Trimbos-Kemper TCM, Broekmans FJM, Willemsen WNP, Ankum WM, Mol BW, van Wely M, van der Veen F, Hajenius PJ [Contributors: Dijkman AB, Thurkow AL, van Dessel HJHM, van der Linden PJQ, Bouwmeester FW, Oosterhuis GJE, van Beek JJ, Emanuel MH, Visser H, Doornbos JPR, Pernet PJM, Friederich J, Pettersson F, Sabetirad Z, Nilsson K, Tegerstedt G, Platz-Christensen JJ]] , Salpingotomy versus salpingectomy in women with tubal pregnancy (ESEP study): an open-label, multicentre, randomised controlled trial. LANCET 2014;383 (9927):1483-1489 [PubMed]

2013

  • Mol F. Surgical management of tubal pregnancy. s.l.: s.n.; 2013. 183p. ISBN 9789461823410 [UvA Dissertations Online] Proefschrift Universiteit van Amsterdam. (Promotor(s): van der Veen F, Mol BWJ; copromotor(s): Hajenius PJ, Ankum WM)
  • van Mello NM. Non-invasive diagnosis and management of ectopic pregnancy. s.l.: s.n.; 2013. 183p. ISBN 9789461823373 [UvA Dissertations Online] Proefschrift Universiteit van Amsterdam. (Promotor(s): Mol BWJ, van der Veen F; copromotor(s): Hajenius PJ, Ankum WM)
  • van Mello NM, Mol F, Verhoeve HR, van Wely M, Adriaanse AH, Boss EA, Dijkman AB, Bayram N, Emanuel MH, Friederich J, van der Leeuw-Harmsen L, Lips JP, van Kessel MA, Ankum WM, van der Veen F, Mol BW, Hajenius PJ, Methotrexate or expectant management in women with an ectopic pregnancy or pregnancy of unknown location and low serum hCG concentrations? A randomized comparison. HUM REPROD 2013;28 (1):60-67 [PubMed]
  • Verschoor MAC, Lemmers M, Bossuyt PM, Graziosi GCM, Hajenius PJ, Hendriks DJ, van Hooff MAH, van Meurs HS, Opmeer BC, van Tulder MW, Bouwma L, Catshoek R, Geomini P, Klinkert ER, Langenveld J, Nieboer TE, van der Ploeg JM, Radder CM, Spinder T, van der Voet LF, Mol BWJ, Huirne JAF, Ankum WM, Surgical versus expectant management in women with an incomplete evacuation of the uterus after treatment with misoprostol for miscarriage: the MisoREST trial. BMC PREGNANCY CHILDB 2013;13 (1):102 [PubMed]

2012

  • Freeman LM, Bloemenkamp KWM, Franssen MTM, Papatsonis DNM, Hajenius PJ, van Huizen ME, Bremer HA, van den Akker ESA, Woiski MD, Porath MM, van Beek E, Schuitemaker N, van der Salm PCM, Fong BF, Radder C, Bax CJ, Sikkema M, van den Akker-van Marle ME, van Lith JMM, Lopriore E, Uildriks RJ, Struys MMRF, Mol BWJ, Dahan A, Middeldorp JM, Remifentanil patient controlled analgesia versus epidural analgesia in labour. A multicentre randomized controlled trial. BMC PREGNANCY CHILDB 2012;12 (1):63 [PubMed]
  • van Mello NM, Mol F, Ankum WM, Mol BW, van der Veen F, Hajenius PJ, Ectopic pregnancy: how the diagnostic and therapeutic management has changed. FERTIL STERIL 2012;98 (5):1066-1073 [PubMed]
  • van Mello NM, Mol F, Opmeer BC, Ankum WM, Barnhart K, Coomarasamy A, Mol BW, van der Veen F, Hajenius PJ, Diagnostic value of serum hCG on the outcome of pregnancy of unknown location: a systematic review and meta-analysis. HUM REPROD UPDATE 2012;18 (6):603-617 [PubMed]
  • van Mello NM, Zietse CS, Mol F, Zwart JJ, van Roosmalen J, Bloemenkamp KW, Ankum WM, van der Veen F, Mol BWJ, Hajenius PJ, Severe maternal morbidity in ectopic pregnancy is not associated with maternal factors but may be associated with quality of care. FERTIL STERIL 2012;97 (3):623-629 [PubMed]

2011

  • Barnhart K, van Mello NM, Bourne T, Kirk E, van Calster B, Bottomley C, Chung K, Condous G, Goldstein S, Hajenius PJ, Mol BW, Molinaro T, O'Flynn O'Brien KL, Husicka R, Sammel M, Timmerman D, Pregnancy of unknown location: a consensus statement of nomenclature, definitions, and outcome. FERTIL STERIL 2011;95 (3):857-866 [PubMed]
  • Hajenius PJ. Vaginaal bloedverlies ind e eerste helft vna de zwangerschap in: Heineman MJ, editors. Probleemgeoriënteerd denken in de gynaecologie, obstetrie en voorplantingsgeneeskunde. Utrecht: De Tijdstroom; 2011., p. 339
  • Mol F, van den Boogaard E, van Mello NM, van der Veen F, Mol BW, Ankum WM, van Zonneveld P, Dijkman AB, Verhoeve HR, Mozes A, Goddijn M, Hajenius PJ, Guideline adherence in ectopic pregnancy management. HUM REPROD 2011;26 (2):307-315 [PubMed]

2010

  • Mol F, van Mello NM, Mol BW, van der Veen F, Ankum WM, Hajenius PJ, Ectopic pregnancy and pelvic inflammatory disease: a renewed epidemic?. EUR J OBSTET GYN R B 2010;151 (2):163-167 [PubMed]
  • van Mello NM, Mol F, Opmeer BC, de Bekker-Grob EW, Essink-Bot ML , Ankum WM, Mol BW, van der Veen F, Hajenius PJ, Salpingotomy or salpingectomy in tubal ectopic pregnancy: what do women prefer?. REPROD BIOMED ONLINE 2010;21 (5):687-693 [PubMed]

2009

  • Goddijn M, de Jager F, Kaaijk EM, van der Veen F, Ankum WM, Hajenius PJ, Problemen vroeg in de zwangerschap vereisen speciale zorg: 'Jonge zwangerschapsunits'. NED TIJDSCHR GENEESKD 2009;153 (45):A601 [PubMed]
  • Hajenius PJ, Tubaruptuur bij extra-uteriene graviditeit ondanks dalende HCG. NED TIJDSCHR OBSTET GYNAECOL 2009;maart:x
  • van Mello NM, Mol F, Mol BW, Hajenius PJ, Conservative management of tubal ectopic pregnancy. BEST PRACT RES CL OB 2009;23 (4):509-518 [PubMed]

2008

  • Mol F, Mol BW, Ankum WM, van der Veen F, Hajenius PJ, Current evidence on surgery, systemic methotrexate and expectant management in the treatment of tubal ectopic pregnancy: a systematic review and meta-analysis. HUM REPROD UPDATE 2008;14 (4):309-319 [PubMed]
  • Mol F, Strandell A, Jurkovic D, Yalcinkaya T, Verhoeve HR, Koks CAM, van der Linden PJQ, Graziosi GCM, Thurkow AL, Hoek A, Hogström L, Klinte I, Nilsson K, van Mello NM, Ankum WM, van der Veen F, Mol BWM, Hajenius PJ [Contributors: Hajenius PJ, Hoek A, Willemsen WNP, Trimbos-Kemper GCM, van Zonneveld P, Bakkum EA, Verhoeve HR, Dijkman AB, Thurkow AL, van Dessel HJHM, Mol BW, van der Linden PJQ, Kragt H, Graziosi CGM, Bouwmeester FW, Oosterhuis GJE, Kleiverda G, Spaans WA, Janssen CAH, van Beek JJ, Emanuel MH, Visser H, Doornbos JPR, Pernet PJM, Friederich J, Otterlind L, Strandell A, Hogström L, Klinte I, Pettersson F, Sabetirad Z, Nilsson K, Franzén K, Tegerstedt G, Lindahl M, Ross J, Yalckinkaya T]] , The ESEP study: salpingostomy versus salpingectomy for tubal ectopic pregnancy; the impact on future fertility: a randomised controlled trial. BMC WOMENS HEALTH 2008;8 (1):11 [PubMed]
  • Timmerman E, Roovers JPWR, Ankum WM, Hajenius PJ, De interstitiële graviditeit: niet zomaar een extra-uteriene. NED TIJDSCHR GENEESKD 2008;152 (14):787-791 [PubMed]
  • van Mello NM, Mol F, Adriaanse AH, Boss EA, Dijkman AB, Doornbos JPR, Emanuel MH, Friederich J, van der Leeuw-Harmsen L, Lips JP, van Santbrink EJP, Verhoeve HR, Visser H, Ankum WM, van der Veen F, Mol BW, Hajenius PJ, The METEX study: methotrexate versus expectant management in women with ectopic pregnancy: a randomised controlled trial. BMC WOMENS HEALTH 2008;8 (1):10 [PubMed]

2007

  • Hajenius PJ, Mol F, Mol BWJ, Bossuyt PMM, Ankum WM, van der Veen F, Interventions for tubal ectopic pregnancy. COCHRANE DB SYST REV 2007;2007 (1):CD000324 [PubMed]
  • van Weert JM, Hajenius PJ, Richard E, Wolf H, Bleker OP, Late eclampsie post partum. NED TIJDSCHR GENEESKD 2007;151 (7):414-417 [PubMed]

2003

  • Hajenius PJ, Mol BWJ, Ankum WM, van der Veen F. Systemic and Local Therapy of Ectopic Pregnancy (Chptr 37) in: Timmerman D, Deprest J, Bourne T, editors. Ultrasound and endoscopis surgery in obstetrics and gynaecology: a combined approach to diagnosis and treatment. London: Springer-Verlag; 2003., p. 278-292

2001

  • Engelsbel S, Mol BW, Hajenius PJ, Ankum WM, van der Veen F, Hemrika DJ, Bossuyt PM, Non-invasive management of patients with suspected ectopic pregnancy: a survey among Dutch gynaecologists. EUR J OBSTET GYN R B 2001;95 (1):81-85 [PubMed]

2000

  • Hajenius PJ, Mol BW, Bossuyt PM, Ankum WM, van der Veen F, Interventions for tubal ectopic pregnancy. COCHRANE DB SYST REV 2000;2000 (2):CD000324 [PubMed]
  • Mol BW, Hajenius PJ, van der Veen F, Predictors of success of methotrexate treatment in women with tubal ectopic pregnancies. NEW ENGL J MED 2000;342 (15):1138 [PubMed]

1999

  • Dias Pereira G, Hajenius PJ, Mol BW, Ankum WM, Hemrika DJ, Bossuyt PM, van der Veen F, Fertility outcome after systemic methotrexate and laparoscopic salpingostomy for tubal pregnancy. LANCET 1999;353 (9154):724-725 [PubMed]
  • Hajenius PJ, van der Veen F, Ankum WM, Cervical pregnancy-a conservative stepwise approach. HUM REPROD 1999;14 (10):2677-2678 [PubMed]
  • Mol BW, Hajenius PJ, Engelsbel S, Ankum WM, Hemrika DJ, van der Veen F, Bossuyt PM, Treatment of tubal pregnancy in the netherlands: an economic comparison of systemic methotrexate administration and laparoscopic salpingostomy. AM J OBSTET GYNECOL 1999;181 (4):945-951 [PubMed]
  • Mol BW, Hajenius PJ, Engelsbel S, Ankum WM, van der Veen F, Hemrika DJ, Bossuyt PM, Are gestational age and endometrial thickness alternatives for serum human chorionic gonadotropin as criteria for the diagnosis of ectopic pregnancy?. FERTIL STERIL 1999;72 (4):643-645 [PubMed]
  • Mol BW, Hajenius PJ, Engelsbel S, Ankum WM, van der Veen F, Hemrika DJ, Bossuyt PM, Can noninvasive diagnostic tools predict tubal rupture or active bleeding in patients with tubal pregnancy?. FERTIL STERIL 1999;71 (1):167-173 [PubMed]
  • Mol BW, Hajenius PJ, Engelsbel S, Ankum WM, van der Veen F, Hemrika DJ, Bossuyt PM, Should patients who are suspected of having an ectopic pregnancy undergo physical examination?. FERTIL STERIL 1999;71 (1):155-157 [PubMed]

1998

  • Hajenius PJ, Roos D, Ankum WM, van der Veen F, Are serum human chorionic gonadotropin clearance curves of use in monitoring methotrexate treatment in cervical pregnancy?. FERTIL STERIL 1998;70 (2):362-365 [PubMed]
  • Mol BW, Hajenius PJ, Engelsbel S, Ankum WM, van der Veen F, Hemrika DJ, Bossuyt PM, Serum human chorionic gonadotropin measurement in the diagnosis of ectopic pregnancy when transvaginal sonography is inconclusive. FERTIL STERIL 1998;70 (5):972-981 [PubMed]
  • Mol BW, Matthijsse HC, Tinga DJ, Huynh T, Hajenius PJ, Ankum WM, Bossuyt PM, van der Veen F, Fertility after conservative and radical surgery for tubal pregnancy. HUM REPROD 1998;13 (7):1804-1809 [PubMed]
  • Mol BW, van der Veen F, Ankum WM, Hajenius PJ, Bossuyt PM, Clarification of fertility after tubal surgery for ectopic pregnancy. FERTIL STERIL 1998;69 (4):790-1; author reply 791-2 [PubMed]
  • Mol BW, van der Veen F, Hajenius PJ, Ankum WM, Bossuyt PM, Engelsbel S, Hemrika DJ, Sensitivity specificity and likelihood ratios--do they deserve confidence intervals?. FERTIL STERIL 1998;70 (1):172-174 [PubMed]
  • Nieuwkerk PT, Hajenius PJ, Ankum WM, van der Veen F, Wijker W, Bossuyt PM, Systemic methotrexate therapy versus laparoscopic salpingostomy in patients with tubal pregnancy. Part I. Impact on patients' health-related quality of life. FERTIL STERIL 1998;70 (3):511-517 [PubMed]
  • Nieuwkerk PT, Hajenius PJ, van der Veen F, Ankum WM, Wijker W, Bossuyt PM, Systemic methotrexate therapy versus laparoscopic salpingostomy in tubal pregnancy. Part II. Patient preferences for systemic methotrexate. FERTIL STERIL 1998;70 (3):518-522 [PubMed]

1997

  • Hajenius PJ, Engelsbel S, Mol BW, van der Veen F, Ankum WM, Bossuyt PM, Hemrika DJ, Lammes FB, Randomised trial of systemic methotrexate versus laparoscopic salpingostomy in tubal pregnancy. LANCET 1997;350 (9080):774-779 [PubMed]
  • Hajenius PJ, Mel BWJ, Ankum WM, van der Veen F, Methotrexate in tubal pregnancy - Reply. LANCET 1997;350 (9090):1555-1556
  • Mol BW, Hajenius PJ, Ankum WM, Bossuyt PM, van der Veen F, Screening for ectopic pregnancy in symptom-free women at increased risk. OBSTET GYNECOL 1997;89 (5 Part 1):704-707 [PubMed]
  • Mol BW, Hajenius PJ, Ankum WM, van der Veen F, Bossuyt PM, Comparative costs of methotrexate and laparoscopic surgery. HUM REPROD 1997;12 (7):1603-1604 [PubMed]
  • Mol BW, Hajenius PJ, Ankum WM, van der Veen F, Bossuyt PM, Cut-off level--what do you want it to be?. FERTIL STERIL 1997;67 (5):980-981 [PubMed]
  • Mol BW, Hajenius PJ, Engelsbel S, Ankum WM, Hemrika DJ, van der Veen F, Bossuyt PM, Is conservative surgery for tubal pregnancy preferable to salpingectomy? An economic analysis. BR J OBSTET GYNAECOL 1997;104 (7):834-839 [PubMed]
  • Mol BW, Hajenius PJ, Engelsbel S, Ankum WM, van der Veen F, Hemrika DJ, Bossuyt PM, An economic evaluation of laparoscopy and open surgery in the treatment of tubal pregnancy. ACTA OBSTET GYN SCAN 1997;76 (6):596-600 [PubMed]
  • Mol BW, van der Veen F, Hajenius PJ, Engelsbel S, Ankum WM, Hogerzeil HV, Hemrika DJ, Bossuyt PM, Diagnosis of ectopic pregnancy after in vitro fertilization and embryo transfer. FERTIL STERIL 1997;68 (6):1027-1032 [PubMed]

1996

  • Ankum WM, Hajenius PJ, Schrevel LS, van der Veen F, Management of suspected ectopic pregnancy. Impact of new diagnostic tools in 686 consecutive cases. J REPROD MED 1996;41 (10):724-728 [PubMed]
  • Hajenius PJ, Voigt RR, Engelsbel S, Mol BW, Hemrika DJ, van der Veen F, Serum human chorionic gonadotropin clearance curves in patients with interstitial pregnancy treated with systemic methotrexate. FERTIL STERIL 1996;66 (5):723-728 [PubMed]
  • Mol BW, Hajenius PJ, Ankum WM, van der Veen F, Bossuyt PM, Conservative versus radical surgery for tubal pregnancy. ACTA OBSTET GYN SCAN 1996;75 (9):866-867 [PubMed]
  • Mol BW, Hajenius PJ, Engelsbel S, Ankum WM, van der Veen F, Bossuyt PM, Diagnostiek en behandeling van extra-uteriene graviditeit in Nederland. NED TIJDSCHR GENEESKD 1996;140 (26):1358-1361 [PubMed]

1995

  • Ankum WM, Hajenius PJ, Discriminatory zone for human chorionic gonadotropin--level of certainty?. FERTIL STERIL 1995;63 (3):683-684 [PubMed]
  • Hajenius PJ, Mol BW, Ankum WM, van der Veen F, Bossuyt PM, Lammes FB, Clearance curves of serum human chorionic gonadotrophin for the diagnosis of persistent trophoblast. HUM REPROD 1995;10 (3):683-687 [PubMed]
  • Hajenius PJ, Mol BW, Ankum WM, van der Veen F, Bossuyt PM, Lammes FB, Suspected ectopic pregnancy: expectant management in patients with negative sonographic findings and low serum hCG concentrations. EARLY PREGNANCY 1995;1 (4):258-262 [PubMed]

1994

  • Hajenius PJ, van Pampus MG, Ankum WM, Een zeldzame oorzaak van hypertensie tijdens de zwangerschap met fatale afloop. NED TIJDSCHR GENEESKD 1994;138 (5):250-252 [PubMed]