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For: Condous G, Van Calster B, Kirk E, Haider Z, Timmerman D, Van Huffel S, Bourne T. Clinical information does not improve the performance of mathematical models in predicting the outcome of pregnancies of unknown location. Fertil Steril 2007;88:572-80. [PMID: 17499248 DOI: 10.1016/j.fertnstert.2006.12.015] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2006] [Revised: 12/09/2006] [Accepted: 12/09/2006] [Indexed: 11/17/2022]
Number Cited by Other Article(s)
1
Hou L, Liang X, Zeng L, Wang Q, Chen Z. Conventional and modern markers of pregnancy of unknown location: Update and narrative review. Int J Gynaecol Obstet 2024. [PMID: 39022869 DOI: 10.1002/ijgo.15807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 07/08/2024] [Indexed: 07/20/2024]
2
Maheut C, Panjo H, Capmas P. Diagnostic accuracy validation study of the M6 model without initial serum progesterone (M6NP) in triage of pregnancy of unknown location. Eur J Obstet Gynecol Reprod Biol 2024;296:360-365. [PMID: 38552504 DOI: 10.1016/j.ejogrb.2024.03.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 12/06/2023] [Accepted: 03/07/2024] [Indexed: 04/19/2024]
3
Kyriacou C, Ledger A, Bobdiwala S, Ayim F, Kirk E, Abughazza O, Guha S, Vathanan V, Gould D, Timmerman D, Van Calster B, Bourne T. Updating M6 pregnancy of unknown location risk-prediction model including evaluation of clinical factors. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2024;63:408-418. [PMID: 37842861 DOI: 10.1002/uog.27515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 09/19/2023] [Accepted: 10/05/2023] [Indexed: 10/17/2023]
4
Bollig KJ, Finlinson A, Barnhart KT, Coutifaris C, Schust DJ. Evaluation of a New Model for Human Chorionic Gonadotropin Rise in Pregnancies of Unknown Viability. Obstet Gynecol 2023;142:139-146. [PMID: 37290108 DOI: 10.1097/aog.0000000000005235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 04/06/2023] [Indexed: 06/10/2023]
5
Feng Q, Li J, Ping X, Van Calster B. Hypervolume under ROC manifold for discrete biomarkers with ties. J STAT COMPUT SIM 2021. [DOI: 10.1080/00949655.2021.1954184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
6
Xu H, Feng G, Wei Y, Feng Y, Yang R, Wang L, Zhang H, Li R, Qiao J. Predicting Ectopic Pregnancy Using Human Chorionic Gonadotropin (hCG) Levels and Main Cause of Infertility in Women Undergoing Assisted Reproductive Treatment: Retrospective Observational Cohort Study. JMIR Med Inform 2020;8:e17366. [PMID: 32297865 PMCID: PMC7193436 DOI: 10.2196/17366] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Accepted: 02/26/2020] [Indexed: 01/15/2023]  Open
7
Fridman D, Hawkins E, Dar P, Chudnoff S, Rotenberg O, Chong W, Xie X, Mehta S, Levie M. Methotrexate Administration to Patients With Presumed Ectopic Pregnancy Leads to Methotrexate Exposure of Intrauterine Pregnancies. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2019;38:675-684. [PMID: 30244479 DOI: 10.1002/jum.14751] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 06/10/2018] [Accepted: 07/14/2018] [Indexed: 06/08/2023]
8
Infante F, Espada Vaquero M, Bignardi T, Lu C, Testa AC, Fauchon D, Epstein E, Leone FPG, Van den Bosch T, Martins WP, Condous G. Prediction of Tubal Ectopic Pregnancy Using Offline Analysis of 3-Dimensional Transvaginal Ultrasonographic Data Sets: An Interobserver and Diagnostic Accuracy Study. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2018;37:1467-1472. [PMID: 29219200 DOI: 10.1002/jum.14489] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 08/31/2017] [Indexed: 06/07/2023]
9
Barnhart KT, Guo W, Cary MS, Morse CB, Chung K, Takacs P, Senapati S, Sammel MD. Differences in Serum Human Chorionic Gonadotropin Rise in Early Pregnancy by Race and Value at Presentation. Obstet Gynecol 2017;128:504-511. [PMID: 27500326 DOI: 10.1097/aog.0000000000001568] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
10
Van Calster B, Bobdiwala S, Guha S, Van Hoorde K, Al-Memar M, Harvey R, Farren J, Kirk E, Condous G, Sur S, Stalder C, Timmerman D, Bourne T. Managing pregnancy of unknown location based on initial serum progesterone and serial serum hCG levels: development and validation of a two-step triage protocol. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2016;48:642-649. [PMID: 26776599 DOI: 10.1002/uog.15864] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Revised: 01/08/2016] [Accepted: 01/11/2016] [Indexed: 06/05/2023]
11
Yan PF, Yan L, Zhang Z, Salim A, Wang L, Hu TT, Zhao HY. Accuracy of conventional MRI for preoperative diagnosis of intracranial tumors: A retrospective cohort study of 762 cases. Int J Surg 2016;36:109-117. [PMID: 27773598 DOI: 10.1016/j.ijsu.2016.10.023] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2016] [Revised: 09/30/2016] [Accepted: 10/15/2016] [Indexed: 12/20/2022]
12
Fistouris J, Bergh C, Strandell A. Classification of pregnancies of unknown location according to four different hCG-based protocols. Hum Reprod 2016;31:2203-11. [DOI: 10.1093/humrep/dew202] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Accepted: 07/20/2016] [Indexed: 11/13/2022]  Open
13
Bobdiwala S, Guha S, Van Calster B, Ayim F, Mitchell-Jones N, Al-Memar M, Mitchell H, Stalder C, Bottomley C, Kothari A, Timmerman D, Bourne T. The clinical performance of the M4 decision support model to triage women with a pregnancy of unknown location as at low or high risk of complications. Hum Reprod 2016;31:1425-35. [PMID: 27165655 DOI: 10.1093/humrep/dew105] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Accepted: 04/07/2016] [Indexed: 11/13/2022]  Open
14
Zee J, Sammel MD, Chung K, Takacs P, Bourne T, Barnhart KT. Ectopic pregnancy prediction in women with a pregnancy of unknown location: data beyond 48 h are necessary. Hum Reprod 2013;29:441-7. [PMID: 24352889 DOI: 10.1093/humrep/det450] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]  Open
15
Kirk E, Bottomley C, Bourne T. Diagnosing ectopic pregnancy and current concepts in the management of pregnancy of unknown location. Hum Reprod Update 2013;20:250-61. [DOI: 10.1093/humupd/dmt047] [Citation(s) in RCA: 143] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]  Open
16
Van Calster B, Abdallah Y, Guha S, Kirk E, Van Hoorde K, Condous G, Preisler J, Hoo W, Stalder C, Bottomley C, Timmerman D, Bourne T. Rationalizing the management of pregnancies of unknown location: temporal and external validation of a risk prediction model on 1962 pregnancies. Hum Reprod 2013;28:609-16. [DOI: 10.1093/humrep/des440] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]  Open
17
Reid S, Condous G. Is there a need to definitively diagnose the location of a pregnancy of unknown location? The case for "no". Fertil Steril 2013;98:1085-90. [PMID: 23084010 DOI: 10.1016/j.fertnstert.2012.09.032] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2012] [Revised: 09/20/2012] [Accepted: 09/20/2012] [Indexed: 11/25/2022]
18
Barnhart KT, Sammel MD, Takacs P, Chung K, Morse CB, O'Flynn O'Brien K, Allen-Taylor L, Shaunik A. Validation of a clinical risk scoring system, based solely on clinical presentation, for the management of pregnancy of unknown location. Fertil Steril 2012;99:193-198. [PMID: 23040528 DOI: 10.1016/j.fertnstert.2012.09.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2012] [Revised: 08/03/2012] [Accepted: 09/07/2012] [Indexed: 11/29/2022]
19
van Mello N, Mol F, Opmeer B, Ankum W, Barnhart K, Coomarasamy A, Mol B, van der Veen F, Hajenius P. Diagnostic value of serum hCG on the outcome of pregnancy of unknown location: a systematic review and meta-analysis. Hum Reprod Update 2012;18:603-17. [DOI: 10.1093/humupd/dms035] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]  Open
20
Morse CB, Sammel MD, Shaunik A, Allen-Taylor L, Oberfoell NL, Takacs P, Chung K, Barnhart KT. Performance of human chorionic gonadotropin curves in women at risk for ectopic pregnancy: exceptions to the rules. Fertil Steril 2012;97:101-6.e2. [PMID: 22192138 DOI: 10.1016/j.fertnstert.2011.10.037] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2011] [Revised: 10/18/2011] [Accepted: 10/28/2011] [Indexed: 12/27/2022]
21
Cong Q, Li G, Jiang W, Li B, Wang Y, Yao L, Wang S, Xu C. Ectopic choriocarcinoma masquerading as a persisting pregnancy of unknown location: case report and review of the literature. J Clin Oncol 2011;29:e845-8. [PMID: 22042964 DOI: 10.1200/jco.2011.37.1096] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]  Open
22
Condous G, Winder S, Reid S. The term "pregnancy of unknown location" is here to stay. Australas J Ultrasound Med 2011;14:17-20. [PMID: 28191107 PMCID: PMC5024890 DOI: 10.1002/j.2205-0140.2011.tb00189.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]  Open
23
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 2010;95:857-66. [PMID: 20947073 DOI: 10.1016/j.fertnstert.2010.09.006] [Citation(s) in RCA: 191] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2010] [Revised: 06/30/2010] [Accepted: 09/03/2010] [Indexed: 12/27/2022]
24
Barnhart KT, Sammel MD, Appleby D, Rausch M, Molinaro T, Van Calster B, Kirk E, Condous G, Van Huffel S, Timmerman D, Bourne T. Does a prediction model for pregnancy of unknown location developed in the UK validate on a US population? Hum Reprod 2010;25:2434-40. [PMID: 20716562 DOI: 10.1093/humrep/deq217] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]  Open
25
Isoardi K. Review article: The use of pelvic examination within the emergency department in the assessment of early pregnancy bleeding. Emerg Med Australas 2009;21:440-8. [DOI: 10.1111/j.1742-6723.2009.01227.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
26
CONDOUS G. Ectopic pregnancy: Challenging accepted management strategies. Aust N Z J Obstet Gynaecol 2009;49:346-51. [DOI: 10.1111/j.1479-828x.2009.01032.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
27
Kirk E, Condous G, Bourne T. Pregnancies of unknown location. Best Pract Res Clin Obstet Gynaecol 2009;23:493-9. [DOI: 10.1016/j.bpobgyn.2009.01.008] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2009] [Accepted: 01/16/2009] [Indexed: 10/20/2022]
28
Van Calster B, Condous G, Kirk E, Bourne T, Timmerman D, Van Huffel S. An application of methods for the probabilistic three-class classification of pregnancies of unknown location. Artif Intell Med 2009;46:139-54. [DOI: 10.1016/j.artmed.2008.12.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2007] [Revised: 11/28/2008] [Accepted: 12/01/2008] [Indexed: 01/09/2023]
29
Day A, Sawyer E, Mavrelos D, Tailor A, Helmy S, Jurkovic D. Use of serum progesterone measurements to reduce need for follow-up in women with pregnancies of unknown location. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2009;33:704-710. [PMID: 19444818 DOI: 10.1002/uog.6380] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
30
Bignardi T, Condous G, Alhamdan D, Kirk E, Van Calster B, Van Huffel S, Timmerman D, Bourne T. The hCG ratio can predict the ultimate viability of the intrauterine pregnancies of uncertain viability in the pregnancy of unknown location population. Hum Reprod 2008;23:1964-7. [DOI: 10.1093/humrep/den221] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]  Open
31
Bignardi T, Alhamdan D, Condous G. Is Ultrasound the New Gold Standard for the Diagnosis of Ectopic Pregnancy? Semin Ultrasound CT MR 2008;29:114-20. [DOI: 10.1053/j.sult.2008.01.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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