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List of International Publications

 Santo S, Ayres-de-Campos D. Human factors affecting the interpretation of fetal heart rate tracings: an updateCurr Opin Obstet Gynecol (accepted 30 Sep 2011).


 Costa C, Ayres-de-Campos D, Sousa P, Bernardes JAudit of a fetal central monitoring station in a clinical setting. J Matern Fetal Neonat Med 2011:24:12490. Pubmed


 Costa-Santos C, Bernardes J, Antunes L, Ayres-de-Campos D.  Complexity and categorical analysis may improve the interpretation of agreement studies using continuous variables. J Eval Clin Pract 2011;17(3):511-4. Pubmed


 Ayres-de-Campos D, Arteiro D, Costa-Santos C, Bernardes J. Knowledge of adverse neonatal outcome alters clinicians' interpretation of the intrapartum cardiotocograph. BJOG 2011;DOI: 10.1111/j.1471-0528.2011.03003.xPubmed


 Costa-Santos C, Bernardes J, Ayres-de-Campos D, Costa A, Costa C. The limits of agreement and the intraclass correlation coefficient may be inconsistent in the interpretation of agreement. J Clin Epidemiol 2011;64(3):264-9. Pubmed


 Ayres-de-Campos D, Ugwumadu A, Banfield P, Lynch P, Amin P, Horwell D, Costa A, Costa-Santos C, Bernardes J, Rosen K. A randomised clinical trial of intrapartum fetal monitoring with computer analysis and alerts versus previously available monitoring. BMC Pregnancy Childbirth 2010;10:71. Full Text


 Costa A, Costa-Santos C, Ayres-de-Campos D, Costa C, Bernardes J. Access to computerised analysis of intrapartum cardiotocographs improves clinicians’ prediction of newborn umbilical pH. BJOG2010;117(10):1288-93. Pubmed


 Ayres-de-Campos D, Bernardes J. Twenty-five years after the FIGO guidelines for electronic fetal monitoring. Time for a more simplified approach? Int J Ginecol Obstet 2010;110:1-6. Pubmed


 Bernardes J, Ayres-de-Campos D. The persistant challenge of foetal heart rate monitoringCurr Opin Obstet Gynecol 2010;22:104-9. Pubmed


 Costa A, Ayres-de-Campos D, Machado AP, Santos C, Bernardes J. Comparison of a computer system evaluation of intrapartum cardiotocographic events and a consensus of clinicians. J Perinat Med 2010;38:191-5. Pubmed


 Gonçalves H, Henriques-Coelho T, Bernardes J, Rocha AP, Brandão-Nogueira A, Leite-Moreira A. Analysis of heart rate variability in a rat model of induced pulmonary hypertension. Med Eng Phys 2010;32(7):746-52. Pubmed


 Costa-Santos C, Antunes L, Souto A, Bernardes J. Assessment of disagreement: a new information-based approach. Ann Epidemiol 2010;20(7):555-61. Pubmed

Costa A, Ayres-de-Campos D, Costa F, Santos C, Bernardes J. Prediction of fetal acidemia by computer analysis of fetal heart rate and ST event signals. Am J Obstet Gynecol 2009;201(5):464.e1-6. Pubmed


 Bernardes J, Gonçalves H, Ayres-de-Campos D, Rocha AP. Sex differences in linear and complex fetal heart rate dynamics of normal and acidemic fetuses in the minutes preceding delivery. J Perinat Med2009;37:168-76. Pubmed


 Bernardes J, Gonçalves H, Ayres-de-Campos D, Rocha AP. Linear and complex heart rate dynamics vary with sex in relation to fetal behavioural states. Early Hum Dev 2008;84(7):433-9. Pubmed


 Gonçalves H, Rocha AP, Ayres-de-Campos D, Bernardes J. Frequency domain and entropy analysis of fetal heart rate: appealing tools for fetal surveillance and pharmacodynamic assessment of drugs. Cardiovasc Hematol Disord Drug Targets 2008;8(2):91-8. Pubmed


 Ayres-de-Campos D, Sousa P, Costa A, Bernardes J. Omniview-SisPorto 3.5 – a central fetal monitoring station with online alerts based on computerized cardiotocogram + ST event analysis. J Perinat Med 2008;36:260–4Pubmed


 Gonçalves H, Henriques-Coelho T, Bernardes J, Rocha AP, Nogueira A, Leite-Moreira A. Linear and nonlinear heart-rate analysis in a rat model of acute anoxia. Physiol Meas 2008;29(9):1133-43. Pubmed


 Ayres-de-Campos D, Bernardes J, Kwee A, Westehuis M, Visser GHA. Computer quantification of short-term variability as an adjunct to fetal electrocardiographic monitoring. BJOG 2007:114(11):1446-7.Pubmed


 Gonçalves H, Rocha AP, Ayres-de-Campos D, Bernardes J. Linear and nonlinear analysis of heart rate patterns associated with fetal behavioural states in the antepartum period. Early Hum Dev 2007;83:585-91. Pubmed


 Gonçalves H, Rocha AP, Ayres-de-Campos D, Bernardes J. Linear and nonlinear fetal heart rate analysis of normal and acidemic fetuses in the minutes preceding delivery. Med Biol Eng Comput2006;44(10):847-55. Pubmed


 Gonçalves H, Rocha AP, Ayres-de-Campos D, Bernardes J. Internal versus external intrapartum fetal heart rate monitoring: effect on linear and nonlinear parameters. Physiol Meas 2006;27:307-19. Pubmed


 Ayres-de-Campos D, Costa-Santos C, Bernardes J, for the SisPorto multicentre validation study group.Prediction of neonatal state by computer analysis of fetal heart rate tracings: the antepartum arm of the SisPorto® multicentre validation study. Eur J Obstet Gynecol Reprod Biol 2005;118:52-60. Pubmed


 Costa Santos C, Costa Pereira A, Bernardes J. Agreement studies in obstetrics and gynaecology: inappropriateness, controversies and consequences. BJOG 2005;112(5):667-9. Pubmed


 Ayres-de-Campos D, Bernardes J. Comparison of fetal heart rate baseline estimation by SisPorto ® 2.01 and a consensus of clinicians. Eur J Obstet Gynecol Reprod Biol 2004;117:174-8. Pubmed


 Ayres-de-Campos D, Bernardes J, Marsal K, Nickelsen C, Makarainen L, Banfield P, Xavier P, Campos I. Can the reproducibility of fetal heart rate baseline estimation be improved? Eur J Obstet Gynecol Reprod Biol 2004;112(1):49-54. Pubmed


 Ayres-de-Campos D, Bernardes J, Garrido A, Marques-de-Sá J, Pereira-Leite L. SisPorto 2.0: a program for automated analysis of cardiotocograms. J Matern Fetal Med 2000;9(5):311-318. Pubmed


 Bernardes J, Costa-Pereira A, Calejo L, Ayres-de-Campos D, Patrício B, Pereira-Leite L. Fetal heart rate baselines in twins: interobserver agreement in antepartum estimation. J Reprod Med 2000;45(2):105-8.Pubmed


 Costa-Santos C, Ayres-de-Campos D, Costa-Pereira A, Bernardes J. An interactive web site for research on fetal heart rate monitoring, with real data simulations. Obstet Gynecol 2000;95 (2): 309-11. Pubmed


 Ayres-de-Campos D, Bernardes J, Costa-Pereira A, Pereira-Leite L. Inconsistencies in classification by experts of cardiotocograms and subsequent clinical decision. Br J Obstet Gynaecol 1999;106:1307-10.Pubmed


 Ayres-de-Campos D, Bernardes J. Early, variable and late decelerations: can a consensus be reached in their identification? Int J Gynecol Obstet 1999;65:305-6Pubmed


 Bernardes J, Ayres-de-Campos D, Costa-Pereira A,  Pereira-Leite L, Garrido A. Objective computerized fetal heart rate analysis. Int J Gynecol Obstet 1998;62:141-7. Pubmed


 Felgueiras C, Marques-de-Sá JP, Bernardes J, Gama S. Classification of foetal heart rate sequences based on fractal features. Med Biol Eng Comput 1998;36(2):197-201. Pubmed


 Matias A, Xavier P, Bernardes J, Patrício B. Fetal heart rate monitoring during hypoglycaemic coma: a case report. Eur J Obstet Gynecol Reprod Biol 1998:79;223-5. Pubmed


 Bernardes J, Costa-Pereira A, Ayres-de-Campos D, van Geijn HP, Pereira-Leite L. Evaluation of interobserver agreement of cardiotocograms. Int J Gynecol Obstet 1997;57:33-7. Pubmed


 Montenegro N, Bernardes J, Ayres-de-Campos D, Matias A, Areias JC. Monitoring of cardiac-extracardiac haemodynamics and automated fetal heart rate preceding intrauterine death. Eur J Obstet Gynecol Reprod Biol 1996;64:3-6.  Pubmed


 Bernardes J, Costa-Pereira A, van Geijn HP, Pereira-Leite L. A more objective fetal heart rate baseline estimation. Br J Obstet Gynaecol 1996;103:714-5. Pubmed


 Bernardes J, Moura C, Marques-de-Sá JP, van Geijn HP, Pereira-Leite L. The Porto System. van Geijn HP and Copray FJA (Eds): A Critical Appraisal of Fetal Surveillance. Elsevier Science, Amsterdam 1994;315-24.


 Bernardes J, Moura C, Marques-de-Sá JP, Pereira-Leite L. The Porto system for automated cardiotocographic signal analysisJ Perinat Med 1991;19:61-5. Pubmed

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