Cox J, Amery A, Clement D, De Cort P, Fagard R, Fowler G, Iranzo RM, Mancia G, O’Brien E, O’Malley K, Palatini P, Parati G, Petrie J, Ravolgi A, Rosenfeld J, Staessen J, Thijs L, Webster J. Relationship between blood pressure measured in the clinic and by ambulatory monitoring and left ventricular size as measured by electrocardiogram in elderly patients with isolated systolic hypertension. J Hypertens 1993;11:269-276.
O’Brien E, O’Malley K. The relationship of 24-hour ambulatory blood pressure measurement to target organ damage. Ther Res 1993;14:84-91
O’Brien E, Coyle D. Ambulatory blood pressure measurements and the occurrence of organ damage. Netherlands J Med. 1995;47:145-151
Stanton A, Mullaney P, Mee F, O’Brien E, O’Malley K. A method of quantifying retinal microvascular alterations associated with hypertension and age. J Hypertens 1995; 13:41-48
O’Brien E, Atkins N, Staessen J. Are overnight dip and target-organ damage related? A clinical perspective. Blood Pressure Monitoring 1996;1(Suppl 1);S42-S48
Staessen J, Thijs L, Fagard R, O’Brien E, Clement D, deLeeuw P, Mancia G, Nachev C, Palatini P, Parati P, Tuomilehto J, Webster J for the Systolic Hypertension in Europe Trial Investigators. Predicting Cardiovascular Risk Using Conventional vs Ambulatory Blood Pressure in Older Patients with Systolic Hypertension. JAMA 1999;282:539-546
O’Brien E, McInnes GT, Stanton A, Thom S, Caulfield M, Atkins N. Ambulatory blood pressure monitoring and 24 hour blood pressure control as predictors of outcome in treated hypertensive patients. J Human Hypertens 2001;15 (Suppl 1):S47-51
Staessen JA, Thijs L, O’Brien E, Bulpitt C, de Leeuw P, Fagard R, Nachev C, Palatini P, Parati G, Tuomilehto J, Webster J, Safar M. for the Syst-Eur Trial Investigators. Ambulatory Pulse Pressure as Predictor of Outcome in Older Patients With Systolic Hypertension. Am J Hypertens 2002;15:835-843
Palatini P, Thijs L, Staessen JA, Fagard R, Bulpitt CJ, Clement D, de Leeuw PW, Jääskivi M, Leonetti G, Nachev C, O’Brien ET, Parati G, Rodicio JL, Roman E, Sarti C, Tuomilehto J. Predictive value of clinic and ambulatory heart rate for mortality in elderly subjects with systolic hypertension. Arch Intern Med 2002;162:2313-21
Clement DL, De Buyzere M, De Bacquer DA, de Leeuw PW, Duprez DA, Fagard RH, Gheeraert PJ, Missault LH, Braun JJ, Six RO, Van Der Niepen P, O’Brien E for the Office versus Ambulatory Blood Pressure (OvA) Study Investigators. Prognostic Value of Ambulatory Blood-Pressure Recordings in Patients with Treated Hypertension. New Eng J Med 2003.348.207-215
Den Hond E, Staessen JA on behalf of the APTH and THOP investigators. Relation between left ventricular mass and systolic blood pressure at baseline in the APTH and THOP trials. Blood Press Monit 2003, 8:173–175
Dolan E, Atkins N, McClory S, Hinedi K, Sharifa S, McCormack P, Staessen J, Thijs L, Stanton A, O’Brien E. Ambulatory blood pressure measurement as a predictor of outcome in an Irish population: methodology for ascertaining mortality outcome. Blood Pressure Monit 2003, 8:143–145
Dolan E, Stanton A, Thijs L, Hinedi K, Atkins N, McClory S, Den Hond E, McCormack P, Staessen JA, O’Brien E. Superiority of Ambulatory Over Clinic Blood Pressure Measurement in Predicting Mortality: The Dublin Outcome Study. Hypertension. 2005;46:156-161
Hansen TW, Kikuya M, Thijs L, Björklund-Bodegård K, Kuznetsova T, Ohkubo T, Richart T,Torp-Pedersen C, Lind L, Jeppesen J, Ibsen H, Imai Y, Staessen JA on behalf of the IDACO Investigators. Prognostic superiority of daytime ambulatory over conventional blood pressure in four populations: a meta-analysis of 7030 individuals. J Hypertens 2007;25:1554-1564.
Dolan E, O’Brien ET, Staessen JA. Letter Regarding Article by Sega et al, “Prognostic Value of Ambulatory and Home Blood Pressures Compared With Office Blood Pressure in the General Population”. Circulation 2005;112:e244-5; author reply e245-6 (Letter)
O’Brien E. Assessment of the circadian cardiovascular risk with ambulatory blood pressure measurement. In European Society of Hypertension. Textbook of Hypertension. Ed. G. Mancia.Taylor and Francis.2008.pp.48-60