Browsing by Author Timmerman, Dirk

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Issue DateTitleAuthor(s)Citation
2009An application of methods for the probabilistic three-class classification of pregnancies of unknown locationCondous, George; Bourne, Tom; Kirk, Emma; Timmerman, Dirk; van Calster, Ben; Nepean Clinical School: Obstetrics & GynaecologyAn application of methods for the probabilistic three-class classification of pregnancies of unknown location, Artificial Intelligence in Medicine, vol.46, 2, 2009,pp 139-154
2008Chlamydia trachomatis infection in patients attending an Early Pregnancy Unit: Prevalence, symptoms, pregnancy location and viabilityCondous, George; Bora, Shabana; Bourne, Tom; Kirk, E J; Timmerman, Dirk; van Calster, Ben; van Huffel, Sabine; Nepean Clinical School: Obstetrics & GynaecologyChlamydia trachomatis infection in patients attending an Early Pregnancy Unit: Prevalence, symptoms, pregnancy location and viability, Acta Obstetricia et Gynecologica Scandinavica, vol.87, 6, 2008,pp 601-607
2007Clinical information does not improve the performance of mathematical models in predicting the outcome of pregnancies of unknown locationCondous, George; Bourne, Tom; Haider, Zara; Kirk, Emma; Timmerman, Dirk; van Calster, Ben; van Huffel, Sabine; Obstetrics & GynaecologyClinical information does not improve the performance of mathematical models in predicting the outcome of pregnancies of unknown location, Fertility and Sterility, vol.88,(3),2007,pp 572-580
2010Does a prediction model for pregnancy of unknown location developed in the UK validate on a US population?Condous, George; Appleby, D.; Barnhart, K.T.; Bourne, Tom; Kirk, E J; Molinaro, T.; Rausch, M.; Sammel, M.D.; Timmerman, Dirk; van Calster, Ben; van Huffel, Sabine; Nepean Clinical School: Obstetrics & GynaecologyDoes a prediction model for pregnancy of unknown location developed in the UK validate on a US population?, Human Reproduction, vol.25, 10,pp 2434-2440
2011Ectopic pregnancy: using the hCG ratio to select women for expectant or medical managementCondous, George; Bourne, Tom; de Moor, Bart; Gevaert, Olivier; Kirk, Emma; Papageorghiou, Aris T; Timmerman, Dirk; van Calster, Ben; van Huffel, Sabine; Nepean Clinical School: Obstetrics & GynaecologyEctopic pregnancy: using the hCG ratio to select women for expectant or medical management, Acta Obstetricia et Gynecologica Scandinavica, vol.90, 2011, 2011,pp 264-272
2011Effect of gel instillation sonography on Doppler ultrasound findings in endometrial polypsBignardi, Tommaso; Condous, George; Bourne, Tom; Epstein, E; Leone, F P G; Luts, J; Testa, A; Timmerman, Dirk; Valentin, L; Van den Bosch, Thierry; Van Huffel, Sabine; Van Schoubroek, D; Nepean Clinical School: Obstetrics & Gynaecology; Nepean Clinical School: Obstetrics & GynaecologyEffect of gel instillation sonography on Doppler ultrasound findings in endometrial polyps, Ultrasound in Obstetrics and Gynecology, vol.38, 3, 2011,pp 355-359
2008The hCG ratio can predict the ultimate viability of the intrauterine pregnancies of uncertain viability in the pregnancy of unknown location populationAlhamdan, Dalya; Bignardi, Tommaso; Condous, George; Bourne, T; Emma, Kirk; Timmerman, Dirk; van Calster, Ben; van Huffel, Sabine; Nepean Clinical School: Obstetrics & Gynaecology; Nepean Clinical School: Obstetrics & Gynaecology; Obstetrics & GynaecologyThe hCG ratio can predict the ultimate viability of the intrauterine pregnancies of uncertain viability in the pregnancy of unknown location population, Human Reproduction, vol.23,(9),2008,pp 1964-1967
2007Prediction of ectopic pregnancy in women with a pregnancy of unknown locationCondous, George; Bourne, T; Haider, Z; Kirk, E J; Timmerman, Dirk; van Calster, Ben; van Huffel, Sabine; Obstetrics & GynaecologyPrediction of ectopic pregnancy in women with a pregnancy of unknown location, Ultrasound in Obstetrics & Gynecology 2005, vol.29,(6),2007,pp 680-687
2007Prospective cross-validation of three methods of predicting failing pregnancies of unknown locationCondous, George; Bourne, T; Kirk, E J; Timmerman, Dirk; van Calster, Ben; van Huffel, Sabine; Obstetrics & GynaecologyProspective cross-validation of three methods of predicting failing pregnancies of unknown location, Human Reproduction 2005, vol.22,(4),2007,pp 1156-1160
2007Rationalizing the follow-up of pregnancies of unknown locationCondous, George; Bourne, T; Kirk, E J; Timmerman, Dirk; van Calster, Ben; van Huffel, Sabine; Obstetrics & GynaecologyRationalizing the follow-up of pregnancies of unknown location, Human Reproduction, vol.22,(6),2007,pp 1744-1750
2013Rationalizing the management of pregnancies of unknown location: temporal and external validation of a risk prediction model on 1962 pregnanciesCondous, George; Abdallah, Yazan; Bottomley, Cecilia; Bourne, Tom; Guha, Sharmistha; Hoo, WeeLiak; Kirk, Emma; Preisler, Jessica; Stalder, Catriona; Timmerman, Dirk; Van Calster, Ben; Van Hoorde, Kirsten; Nepean Clinical School: Obstetrics & GynaecologyRationalizing the management of pregnancies of unknown location: temporal and external validation of a risk prediction model on 1962 pregnancies, Human Reproduction, vol.28, 3, 2013,pp 609-616
2014Triaging pregnancies of unknown location: the performance of protocols based on single serum progesterone or repeated serum hCG levelsCondous, George; Ayim, F; Bourne, Tom; Guha, Sharmistha; Kirk, Emma; Ludlow, Joanne; Sayasneh, Ahmad; Stalder, Catriona; Timmerman, Dirk; Van Calster, Ben; Nepean Clinical School: Obstetrics & GynaecologyTriaging pregnancies of unknown location: the performance of protocols based on single serum progesterone or repeated serum hCG levels, Human Reproduction, vol.29, 5, 2014,pp 938-945
2007A validation of the most commonly used protocol to predict the success of single-dose methotrexate in the treatment of ectopic pregnancyCondous, George; Bourne, T; Haider, Z; Kirk, E J; Timmerman, Dirk; van Calster, Ben; van Huffel, Sabine; Obstetrics & GynaecologyA validation of the most commonly used protocol to predict the success of single-dose methotrexate in the treatment of ectopic pregnancy, Human Reproduction 2005, vol.22,(3),2007,pp 858-863
2009The value of laparoscopic skills coursesAlhamdan, Dalya; Bignardi, Tommaso; Condous, George; Lam, Alan; Timmerman, Dirk; van Calster, Ben; van Huffel, Sabine; Nepean Clinical School: Obstetrics & Gynaecology; Nepean Clinical School: Obstetrics & Gynaecology; Nepean Clinical School: Obstetrics & Gynaecology; Northern Clinical School: Obstetrics & GynaecologyThe value of laparoscopic skills courses, Australian and New Zealand Journal of Obstetrics and Gynaecology, vol.49, 3, 2009,pp 312-315
2010The viability of the intrauterine pregnancies in the pregnancy of unknown location population: hCG ratio vs progesterone.Bignardi, Tommaso; Condous, George; Bourne, Tom; Kirk, Emma; Timmerman, Dirk; van Calster, Ben; van Huffel, Sabine; Nepean Clinical School: Obstetrics & Gynaecology; Nepean Clinical School: Obstetrics & GynaecologyThe viability of the intrauterine pregnancies in the pregnancy of unknown location population: hCG ratio vs progesterone., Ultrasound in Obstetrics and Gynecology, vol.35, 6,pp 656-661
2009What Determines the Need to Morcellate the Uterus during Total Laparoscopic Hysterectomy?Alhamdan, Dalya; Bignardi, Tommaso; Condous, George; Lam, Alan; Timmerman, Dirk; van Calster, Ben; van Huffel, Sabine; Nepean Clinical School: Obstetrics & Gynaecology; Nepean Clinical School: Obstetrics & Gynaecology; Nepean Clinical School: Obstetrics & Gynaecology; Northern Clinical School: Obstetrics & GynaecologyWhat Determines the Need to Morcellate the Uterus during Total Laparoscopic Hysterectomy?, Journal of Minimally Invasive Gynecology, vol.16, 1, 2009,pp 52-55
2008Why are some ectopic pregnancies characterized as pregnancies of unknown location at the initial transvaginal ultrasound examination?Condous, George; Bottomley, Cecilia; Bourne, T; Daemen, Anneleen; de Moor, Bart; Kirk, Emma; Papageorghiou, Aris T; Timmerman, Dirk; Nepean Clinical School: Obstetrics & GynaecologyWhy are some ectopic pregnancies characterized as pregnancies of unknown location at the initial transvaginal ultrasound examination?, Acta Obstetricia et Gynecologica Scandinavica, vol.87, 11, 2008,pp 1150-1154