Proton Pump Inhibitors Use in Kidney Transplant Recipients: A Population-Based Study

被引:0
作者
Kiberd, James [1 ]
Quinn, Robert R. [1 ,2 ]
Ravani, Pietro [1 ,2 ]
Lentine, Krista L. [3 ]
Clarke, Alix [1 ]
Jeong, Rachel [1 ]
Faruque, Labib [1 ]
Lam, Ngan N. [1 ,2 ,4 ]
机构
[1] Univ Calgary, Cumming Sch Med, Calgary, AB, Canada
[2] Univ Calgary, Dept Community Hlth Sci, Calgary, AB, Canada
[3] St Louis Univ Sch Med, St Louis, MO USA
[4] Univ Calgary, Hlth Res Innovat Ctr, 3230 Hosp Dr Northwest, Calgary, AB T2N4Z6, Canada
关键词
Alberta; Choosing Wisely; epidemiology; kidney transplantation; population-based research; QUALITY-OF-LIFE; ACCURACY;
D O I
10.1177/20543581241228723
中图分类号
R5 [内科学]; R69 [泌尿科学(泌尿生殖系疾病)];
学科分类号
1002 ; 100201 ;
摘要
Background: Kidney transplant recipients are commonly prescribed proton-pump inhibitors (PPIs), but due to concern for polypharmacy, chronic use should be limited.Objective: The objective was to describe PPI use in kidney transplant recipients beyond their first year of transplant to better inform and support deprescribing initiatives.Design: We conducted a retrospective, population-based cohort study using linked health care databases.Setting: This study was conducted in Alberta, Canada.Patients: We included all prevalent adult, kidney-only transplant recipients between April 2008 and December 2017 who received their transplant between May 2002 and December 2017.Measurements: The primary outcome was ongoing or new PPI use and patterns of use, including frequency and duration of therapy, and assessment of indication for PPI use.Methods: We ascertained baseline characteristics, covariate information, and outcome data from the Alberta Kidney Disease Network (AKDN). We compared recipients with evidence of a PPI prescription in the 3 months prior to study entry to those with a histamine-2-receptor antagonist (H2Ra) fill and those with neither.Results: We identified 1823 kidney transplant recipients, of whom 868 (48%) were on a PPI, 215 (12%) were on an H2Ra, and 740 (41%) were on neither at baseline. Over a median follow-up of 5.4 years (interquartile range [IQR] = 2.6-9.3), there were almost 45 000 unique PPI prescriptions dispensed, the majority (80%) of which were filled by initial PPI users. Recipients who were on a PPI at baseline would spend 91% (IQR = 70-98) of their graft survival time on a PPI in follow-up, and nephrologists were the main prescribers. We identified an indication for ongoing PPI use in 54% of recipients with the most common indication being concurrent antiplatelet use (26%).Limitations: Our kidney transplant recipients have access to universal health care coverage which may limit generalizability. We identified common gastrointestinal indications for PPI use but did not include rare conditions due to concerns about the validity of diagnostic codes. In addition, symptoms suggestive of reflux may not be well coded as the focus of follow-up visits is more likely to focus on kidney transplant.Conclusions: Many kidney transplant recipients are prescribed a PPI at, or beyond, the 1-year post-transplant date and are likely to stay on a PPI in follow-up. Almost half of the recipients in our study did not have an identifiable indication for ongoing PPI use. Nephrologists frequently prescribe PPIs to kidney transplant recipients and should be involved in deprescribing initiatives to reduce polypharmacy. Contexte: On prescrit couramment des inhibiteurs de la pompe a protons (IPP) aux receveurs d'une greffe renale; une pratique qui devrait cependant etre limitee en raison de preoccupations liees a la polypharmacie.Objectif: Decrire l'utilisation des IPP chez les receveurs d'une greffe renale au-dela de la premiere annee post-greffe, afin de mieux informer et de soutenir les initiatives de deprescription.Type d'etude: etude de cohorte populationnelle retrospective realisee a partir des bases de donnees couplees du systeme de sante.Cadre: Alberta, Canada.Sujets: Nous avons recueilli les donnees d'avril 2008 a decembre 2017 de tous les adultes qui avaient recu un rein seulement entre mai 2002 et decembre 2017.Mesures: Le principal critere de jugement etait la prise continue - ou une nouvelle ordonnance - d'IPP et les modalites d'utilisation, notamment la frequence et la duree du traitement, ainsi que l'indication pour la prescription d'IPP.Methodologie: Nous avons verifie les caracteristiques initiales, les informations covariees et les donnees sur les resultats colligees dans l'Alberta Kidney Disease Network (AKDN). Nous avons compare des receveurs presentant des preuves d'une prescription d'IPP au cours des trois mois precedant l'entree dans l'etude a des patients avec une ordonnance d'antagonistes des recepteurs de l'histamine-2 (aRH2), ainsi qu'a des patients n'ayant aucune de ces prescriptions.Resultats: Nous avons identifie 1 823 receveurs d'une greffe renale; 868 (48 %) recevaient un IPP, 215 (12 %) recevaient un aRH2 et 740 (41 %) ne recevaient aucun traitement a l'inclusion. Au cours d'un suivi median de 5,4 ans (intervalle interquartile [IIQ]: 2,6-9,3), pres de 45 000 ordonnances uniques d'IPP ont ete delivrees, dont la majorite (80 %) avait ete remplie par des utilisateurs initiaux d'IPP. Les receveurs qui prenaient des IPP a l'inclusion avaient passe 91 % (IIQ: 70-98) de leur temps de survie du greffon a prendre un IPP durant la periode de suivi, et ces medicaments avaient ete majoritairement prescrits par des nephrologues. Une indication justifiant l'utilisation continue d'un IPP etait presente chez 54 % des receveurs; la plus courante etant l'utilisation concomitante d'un agent antiplaquettaire (26 %).Limites: Les receveurs inclus dans notre etude ont acces a une couverture medicale universelle, ce qui peut limiter la generalisabilite des resultats. Nous avons repere des indications gastro-intestinales courantes pour l'utilisation d'IPP, mais nous n'avons pas inclus les affections rares en raison de preoccupations concernant la validite des codes diagnostiques. Aussi, les symptomes evocateurs d'un reflux pourraient ne pas etre bien codes, car les visites de suivi sont plus susceptibles de porter sur la transplantation renale.Conclusion: De nombreux receveurs d'une greffe renale se voient encore prescrire un IPP dans l'annee suivant la transplantation, ou au-dela, et sont susceptibles de continuer d'en prendre pendant le suivi. Pres de la moitie des receveurs de notre etude n'avaient pas d'indication clairement identifiable de prendre un IPP en continu. Les nephrologues prescrivent frequemment des IPP aux receveurs d'une greffe renale et devraient etre impliques dans les initiatives de deprescription visant a reduire la polypharmacie.
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