Helga Gardarsdottir
Helga Gardarsdottir
Associate professor, Utrecht University
Geverifieerd e-mailadres voor uu.nl
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Indications for antidepressant drug prescribing in general practice in the Netherlands
H Gardarsdottir, ER Heerdink, L van Dijk, ACG Egberts
Journal of affective disorders 98 (1-2), 109-115, 2007
1692007
Antidepressant prescribing in five European countries: application of common definitions to assess the prevalence, clinical observations, and methodological implications
V Abbing-Karahagopian, C Huerta, PC Souverein, F De Abajo, ...
European journal of clinical pharmacology 70 (7), 849-857, 2014
1332014
Initiation of antidepressant therapy: do patients follow the GP's prescription?
ECG van Geffen, H Gardarsdottir, R van Hulten, L van Dijk, ACG Egberts, ...
British Journal of General Practice 59 (559), 81-87, 2009
1082009
Exposure to benzodiazepines (anxiolytics, hypnotics and related drugs) in seven European electronic healthcare databases: a cross‐national descriptive study from the PROTECT‐EU …
C Huerta, V Abbing‐Karahagopian, G Requena, B Oliva, Y Alvarez, ...
Pharmacoepidemiology and drug safety 25, 56-65, 2016
1002016
The high impact of penicillin allergy registration in hospitalized patients
SM van Dijk, H Gardarsdottir, MWM Wassenberg, JJ Oosterheert, ...
The Journal of Allergy and Clinical Immunology: In Practice 4 (5), 926-931, 2016
882016
Construction of drug treatment episodes from drug-dispensing histories is influenced by the gap length
H Gardarsdottir, PC Souverein, TCG Egberts, ER Heerdink
Journal of clinical epidemiology 63 (4), 422-427, 2010
842010
Incidence rates and trends of hip/femur fractures in five European countries: comparison using e-healthcare records databases
G Requena, V Abbing-Karahagopian, C Huerta, ML De Bruin, Y Alvarez, ...
Calcified tissue international 94 (6), 580-589, 2014
492014
Duration of antidepressant drug treatment and its influence on risk of relapse/recurrence: immortal and neglected time bias
H Gardarsdottir, TC Egberts, JJ Stolker, ER Heerdink
American journal of epidemiology 170 (3), 280-285, 2009
462009
Hip/femur fractures associated with the use of benzodiazepines (anxiolytics, hypnotics and related drugs): a methodological approach to assess consistencies across databases …
G Requena, C Huerta, H Gardarsdottir, J Logie, R González‐González, ...
pharmacoepidemiology and drug safety 25, 66-78, 2016
412016
The majority of patients do not store their biologic disease-modifying antirheumatic drugs within the recommended temperature range
ND Vlieland, H Gardarsdottir, ML Bouvy, TCG Egberts, BJF van den Bemt
Rheumatology 55 (4), 704-709, 2016
342016
An algorithm to identify antidepressant users with a diagnosis of depression from prescription data
H Gardarsdottir, ACG Egberts, L van Dijk, MCJM Sturkenboom, ...
Pharmacoepidemiology and drug safety 18 (1), 7-15, 2009
332009
Potential bias in pharmacoepidemiological studies due to the length of the drug free period: a study on antidepressant drug use in adults in the Netherlands
H Gardarsdottir, ER Heerdink, ACG Egberts
Pharmacoepidemiology and drug safety 15 (5), 338-343, 2006
332006
Incidence of direct oral anticoagulant use in patients with nonvalvular atrial fibrillation and characteristics of users in 6 European countries (2008–2015): A cross‐national …
L Ibáñez, M Sabaté, X Vidal, E Ballarin, M Rottenkolber, S Schmiedl, ...
British journal of clinical pharmacology 85 (11), 2524-2539, 2019
312019
Does the length of the first antidepressant treatment episode influence risk and time to a second episode?
H Gardarsdottir, ECG van Geffen, JJ Stolker, TCG Egberts, ER Heerdink
Journal of clinical psychopharmacology 29 (1), 69-72, 2009
282009
Pharmacists’ activities to reduce medication waste: an international survey
CL Bekker, H Gardarsdottir, ACG Egberts, ML Bouvy, BJF Van den Bemt
Pharmacy 6 (3), 94, 2018
252018
Understanding inconsistency in the results from observational pharmacoepidemiological studies: the case of antidepressant use and risk of hip/femur fractures
PC Souverein, V Abbing‐Karahagopian, E Martin, C Huerta, F de Abajo, ...
pharmacoepidemiology and drug safety 25, 88-102, 2016
242016
Patient and medication factors associated with preventable medication waste and possibilities for redispensing
CL Bekker, BJF Van Den Bemt, ACG Egberts, ML Bouvy, H Gardarsdottir
International journal of clinical pharmacy 40 (3), 704-711, 2018
232018
Methodological comparison of marginal structural model, time‐varying Cox regression, and propensity score methods: the example of antidepressant use and the risk of hip fracture
MS Ali, RHH Groenwold, SV Belitser, PC Souverein, E Martín, NM Gatto, ...
Pharmacoepidemiology and drug safety 25, 114-121, 2016
232016
Redispensing of medicines unused by patients: a qualitative study among stakeholders
CL Bekker, H Gardarsdottir, TCG Egberts, ML Bouvy, BJF van den Bemt
International journal of clinical pharmacy 39 (1), 196-204, 2017
222017
Seasonal patterns of initiating antidepressant therapy in general practice in the Netherlands during 2002–2007
H Gardarsdottir, TCG Egberts, L van Dijk, ER Heerdink
Journal of affective disorders 122 (3), 208-212, 2010
222010
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