Vera E Valkhoff
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Explore the profile of Vera E Valkhoff including associated specialties, affiliations and a list of published articles.
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22
Citations
551
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Recent Articles
11.
Valkhoff V, Schade R, t Jong G, Romio S, Schuemie M, Arfe A, et al.
BMC Pediatr
. 2013 Nov;
13:192.
PMID: 24252465
Background: Data on utilization patterns and safety of non-steroidal anti-inflammatory drugs (NSAIDs) in children are scarce. The purpose of this study was to investigate the utilization of NSAIDs among children...
12.
Holster I, Valkhoff V, Tjwa E
Gastroenterology
. 2013 Sep;
145(5):1164.
PMID: 24070721
No abstract available.
13.
Coloma P, Valkhoff V, Mazzaglia G, Nielsson M, Pedersen L, Molokhia M, et al.
BMJ Open
. 2013 Jun;
3(6).
PMID: 23794587
Objective: To evaluate positive predictive value (PPV) of different disease codes and free text in identifying acute myocardial infarction (AMI) from electronic healthcare records (EHRs). Design: Validation study of cases...
14.
Ferrajolo C, Verhamme K, Trifiro G, t Jong G, Giaquinto C, Picelli G, et al.
Drug Saf
. 2013 Apr;
36(10):1007-16.
PMID: 23591830
Background: Acute liver failure is idiopathic and drug-related in, respectively, around 50 and 15 % of children. Population-based, epidemiologic data about the pattern of disease manifestation and incidence of less...
15.
Valkhoff V, Sturkenboom M, Hill C, Veldhuyzen Van Zanten S, Kuipers E
Can J Gastroenterol
. 2013 Mar;
27(3):159-67.
PMID: 23516680
Background: Low-dose acetylsalicylic acid (LDA, 75 mg/day to 325 mg/day) is recommended for primary and secondary prevention of cardiovascular events, but has been linked to an increased risk of upper...
16.
Holster I, Valkhoff V, Kuipers E, Tjwa E
Gastroenterology
. 2013 Mar;
145(1):105-112.e15.
PMID: 23470618
Background & Aims: A new generation of oral anticoagulants (nOAC), which includes thrombin and factor Xa inhibitors, has been shown to be effective, but little is known about whether these...
17.
Kastelein F, Spaander M, Steyerberg E, Biermann K, Valkhoff V, Kuipers E, et al.
Clin Gastroenterol Hepatol
. 2012 Dec;
11(4):382-8.
PMID: 23200977
Background & Aims: Acid exposure contributes to the development of Barrett's esophagus (BE) and its progression toward esophageal adenocarcinoma. Patients with BE are frequently treated with acid suppressants, but it...
18.
Valkhoff V, Sturkenboom M, Kuipers E
Best Pract Res Clin Gastroenterol
. 2012 May;
26(2):125-40.
PMID: 22542151
Low-dose aspirin use is associated with an increased risk for gastrointestinal ulceration and bleeding. At-risk low-dose aspirin users are therefore recommended to take proton-pump inhibitors. However, it is poorly understood...
19.
Valkhoff V, van Soest E, Mazzaglia G, Molokhia M, Schade R, Trifiro G, et al.
Arthritis Rheum
. 2012 Apr;
64(8):2792-802.
PMID: 22508379
Objective: Guidelines recommend coprescription of gastroprotective agents (GPAs) in patients receiving cyclooxygenase 2 inhibitors (coxibs) who are at high risk of upper gastrointestinal (UGI) tract complications (i.e., patients with a...
20.
Hunfeld N, Valkhoff V, Touw D, Sturkenboom M, Kuipers E
Ned Tijdschr Geneeskd
. 2011 Jul;
155(28):A2404.
PMID: 21771376
As both proton pump inhibitors (PPIs) and clopidogrel are metabolized by CYP2C19, an enzyme of the cytochrome P450 system, this could lead to drug competition. Recent studies have raised concerns...