the Dutch-GERAF Study
GERAF
The Dutch Multicentre Study Into Opportunistically Screening Geriatric Patients for Atrial Fibrillation Using a PPG Smartphone App; the Dutch-GERAF Study
1 other identifier
observational
1,075
1 country
6
Brief Summary
Geriatric patients are at high risk of cardiovascular complications, and for the development of atrial fibrillation. Often atrial fibrillation exists in these patients without specific symptoms, and could therefore remain unknown. Furthermore, concerns exist about the bleeding profile of anticoagulation in the very elderly or frail patients. This study applies opportunistic screening for atrial fibrillation as advised in the latest ESC Guideline on the diagnosis and management of atrial fibrillation. Furthermore, multiple bleeding risk scores will be applies, to better assess the bleeding risk in very elderly or frail patients.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Jan 2021
Longer than P75 for all trials
6 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 25, 2021
CompletedFirst Submitted
Initial submission to the registry
April 13, 2022
CompletedFirst Posted
Study publicly available on registry
April 20, 2022
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 26, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
June 30, 2026
ExpectedFebruary 20, 2024
February 1, 2024
1.8 years
April 13, 2022
February 19, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Newly identified cases of atrial fibrillation
PPG or ECG detected new cases of atrial fibrillation
The first 6 months after recruitment for the study
Secondary Outcomes (5)
Major bleeding
From recruitment until 3 years after the recruitment of the last participant
Stroke
From recruitment until 3 years after the recruitment of the last participant
Death
From recruitment until 3 years after the recruitment of the last participant
Cognitive disorder
From recruitment until 3 years after the recruitment of the last participant
New Atrial Fibrillation, developed after the screening period
From recruitment until 3 years after the recruitment of the last participant
Interventions
The photoplethysmography (PPG) application enables patients to perform a finger tip heartbeat measurement and automatic analysis
Eligibility Criteria
All newly referred patients of 65 years and older that visit a geriatric outpatient service. These will form a cohort of very elderly individuals, with multi morbidity, polypharmacy, cognitive disorders, high frailty and high risk for falling. They can also be seen as a group at high risk of cardiovascular complication and/or the development of cognitive disorders.
You may qualify if:
- All newly referred patients of 65 years and older that visit geriatric outpatient services are eligible (including Fall clinic, Memory clinic, Pre-operative geriatric assessment clinic, or any other geriatric outpatient clinics that are led by a geriatrician).
You may not qualify if:
- The patient has a pacemaker or implantable cardioverter defibrillator.
- The patient is known with a severe dementia, MoCA ≤ 15 points.
- The patient has a severe tremor, from whatever cause, and thus is unable to use the PPG based smartphone AF detection algorithm.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (6)
Rijnstate
Arnhem, Gelderland, 6815 AD, Netherlands
Dijklander Ziekenhuis
Hoorn, North Holland, 1624NP, Netherlands
Noordwest ziekenhuisgroep
Alkmaar, 1815 JD, Netherlands
Meander Medisch Centrum
Amersfoort, 3813 TZ, Netherlands
Onze Lieve Vrouwe Gasthuis
Amsterdam, 1091 AC, Netherlands
Albert Schweitzer Ziekenhuis
Dordrecht, 3318 AT, Netherlands
Related Publications (8)
Zwart LAR, Germans T, Simsek S, Ruiter JH, Jansen RWMM. Atrial fibrillation, anticoagulation and major bleeding in geriatric patients at risk of falling. OBM Geriatrics 2019, Volume 3, Issue 3, doi:10.21926/obm.geriatr.1903071
BACKGROUNDMol D, Riezebos RK, Marquering HA, Werner ME, Lobban TCA, de Jong JSSG, de Groot JR. Performance of an automated photoplethysmography-based artificial intelligence algorithm to detect atrial fibrillation. Cardiovasc Digit Health J. 2020 Oct 22;1(2):107-110. doi: 10.1016/j.cvdhj.2020.08.004. eCollection 2020 Sep-Oct. No abstract available.
PMID: 35265881BACKGROUNDHindricks G, Potpara T, Dagres N, Arbelo E, Bax JJ, Blomstrom-Lundqvist C, Boriani G, Castella M, Dan GA, Dilaveris PE, Fauchier L, Filippatos G, Kalman JM, La Meir M, Lane DA, Lebeau JP, Lettino M, Lip GYH, Pinto FJ, Thomas GN, Valgimigli M, Van Gelder IC, Van Putte BP, Watkins CL; ESC Scientific Document Group. 2020 ESC Guidelines for the diagnosis and management of atrial fibrillation developed in collaboration with the European Association for Cardio-Thoracic Surgery (EACTS): The Task Force for the diagnosis and management of atrial fibrillation of the European Society of Cardiology (ESC) Developed with the special contribution of the European Heart Rhythm Association (EHRA) of the ESC. Eur Heart J. 2021 Feb 1;42(5):373-498. doi: 10.1093/eurheartj/ehaa612. No abstract available.
PMID: 32860505RESULTZwart LA, Jansen RW, Ruiter JH, Germans T, Simsek S, Hemels ME. Opportunistic screening for atrial fibrillation with a single lead device in geriatric patients. J Geriatr Cardiol. 2020 Mar;17(3):149-154. doi: 10.11909/j.issn.1671-5411.2020.03.007.
PMID: 32280331RESULTSearle SD, Mitnitski A, Gahbauer EA, Gill TM, Rockwood K. A standard procedure for creating a frailty index. BMC Geriatr. 2008 Sep 30;8:24. doi: 10.1186/1471-2318-8-24.
PMID: 18826625RESULTRockwood K, Mitnitski A. Frailty in relation to the accumulation of deficits. J Gerontol A Biol Sci Med Sci. 2007 Jul;62(7):722-7. doi: 10.1093/gerona/62.7.722.
PMID: 17634318RESULTMoraes JL, Rocha MX, Vasconcelos GG, Vasconcelos Filho JE, de Albuquerque VHC, Alexandria AR. Advances in Photopletysmography Signal Analysis for Biomedical Applications. Sensors (Basel). 2018 Jun 9;18(6):1894. doi: 10.3390/s18061894.
PMID: 29890749RESULTDutch-GERAF investigators; Zwart LAR, Spruit JR, Hemels MEW, de Groot JR, Pisters R, Riezebos RK, Jansen RWMM. Design of the Dutch multicentre study on opportunistic screening of geriatric patients for atrial fibrillation using a smartphone PPG app: the Dutch-GERAF study. Neth Heart J. 2024 May;32(5):200-205. doi: 10.1007/s12471-024-01868-6. Epub 2024 Apr 15.
PMID: 38619715DERIVED
Biospecimen
Full blood
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
René Jansen, PhD
Northwest Hospital
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 13, 2022
First Posted
April 20, 2022
Study Start
January 25, 2021
Primary Completion
October 26, 2022
Study Completion (Estimated)
June 30, 2026
Last Updated
February 20, 2024
Record last verified: 2024-02