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Outcome implications of benzodiazepine and opioid co-prescription in kidney transplant recipients.

ABSTRACT: The outcomes of benzodiazepine and opioid co-prescription are not well-defined in transplant populations. We examined linked national transplant registry and pharmaceutical records to characterize benzodiazepine and opioid use in the years before and after transplant in large US cohort of kidney transplant recipients (2007-2016; N = 98 620), and associations (adjusted hazard ratio, _LCL aHR_UCL ) with death and graft failure. Among the cohort, 15.6% filled benzodiazepine prescriptions in the year before transplant, and 14.0% filled benzodiazepine prescriptions in the year after transplant (short-acting, 9.5%; long-acting, 3.3%; both 1.1%). Use of short-acting benzodiazepines in the year before transplant was associated with a 22% increased risk of death in the year after transplant (aHR, _1.08 1.22_1.38 ), while use of all classes in the year after transplant was associated with increased risk of death from >1 to 5 years (aHR: short-acting _1.29 1.39_1.48 ; long-acting _1.12 1.25_1.40 ; both _1.46 1.74_2.07 ). Recipients who used benzodiazepines were also more likely to fill opioid prescriptions. Recipients who filled both classes of benzodiazepine and the highest level of opioids had a 2.9-fold increased risk of death compared to recipients who did not use either. Co-prescription of benzodiazepines and opioids in kidney transplant recipients is associated with increased mortality. Ongoing research is needed to understand mechanisms of risk relationships.

SUBMITTER: Lam NN

PROVIDER: S-EPMC7722087 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Prescription opioid use before and after kidney transplant: Implications for posttransplant outcomes.

Project description:Evolving literature suggests that the epidemic of prescription opioid use affects the transplant population. We examined a novel database wherein national U.S. transplant registry records were linked to a large pharmaceutical claims warehouse (2007-2015) to characterize prescription opioid use before and after kidney transplant, and associations (adjusted hazard ratio, 95% LCL aHR95% UCL ) with death and graft loss. Among 75 430 eligible patients, 43.1% filled opioids in the year before transplant. Use was more common among recipients who were women, white, unemployed, publicly insured, and with longer pretransplant dialysis. Of those with the highest level of pretransplant opioid use, 60% continued high-level use posttransplant. Pretransplant opioid use had graded associations with one-year posttransplant outcomes; the highest-level use predicted 46% increased risk of death (aHR 1.28 1.461.66 ) and 28% increased risk of all-cause graft failure (aHR 1.17 1.281.41 ). Effects of high-level opioid use in the first year after transplant were stronger, predicting twice the risk of death (aHR 1.93 2.242.60 ) and 68% higher all-cause graft failure risk (aHR 1.50 1.681.89 ) over the subsequent year; increased risk persisted over five years. While associations may, in part, reflect underlying conditions or behaviors, opioid use history is relevant in assessing and providing care to transplant candidates and recipients.

| S-EPMC6119653 | biostudies-literature

Opioid Prescription, Morbidity, and Mortality in US Transplant Recipients.

Project description:BACKGROUND:Centers for Disease Control and Prevention guidelines recommend caution in prescribing opioids for chronic pain. The characteristics of opioid prescription (OpRx) among kidney transplant (KTx) recipients have not been described in a national population. METHODS:We assessed OpRx prevalence among prevalent KTx recipients, and associated duration (long-term, defined as ?90 days in a year) and dosing (in morphine milligram equivalents per day of <50, 50-89, and ?90) with outcomes, death and graft loss, among incident KTx recipients using 2006-2010 US Renal Data System files, including Medicare Part D for medication ascertainment. Cox models controlled for recipient factors. RESULTS:Of 36,486 KTx recipients in the 2010 prevalent cohort, approximately 14.6% had long-term OpRx. The strongest association with long-term OpRx after KTx was long-term OpRx before KTx (64%; adjusted odds ratio, 95% confidence interval, 95.2, 74.2-122.1). Incident KTx recipients with long-term OpRx had increased risk of mortality and graft loss compared with those without OpRx or short-term OpRx after KTx. This risk was highest among recipients with long-term OpRx doses of ?90 morphine milligram equivalents or higher per day (adjusted hazard ratio, 95% confidence interval, 1.61, 1.24-2.10 for death, and 1.33, 1.05-1.67 for graft loss, respectively). CONCLUSIONS:In contrast to either no or short-term OpRx, long-term, and especially long-term high-dose OpRx, is associated with increased risk of death and graft loss in US KTx recipients. Causal relationships cannot be inferred, and OpRx may be an illness marker. Nevertheless, efforts to treat pain effectively in KTx recipients with less toxic interventions and decrease OpRx deserve consideration.

| S-EPMC5962376 | biostudies-literature

Kidney transplant recipients

Project description:Kidney transplant recipients

| PRJNA1054489 | ENA

Kidney transplant recipients

Project description:This SuperSeries is composed of the SubSeries listed below.

2024-10-15 | GSE250536 | GEO

Outcome disparities between African Americans and Caucasians in contemporary kidney transplant recipients.

Project description:BackgroundRacial disparities in African-American (AA) kidney transplant have persisted for nearly 40 years, with limited data available on the scope of this issue in the contemporary era of transplantation.MethodsDescriptive retrospective cohort study of US registry data including adult solitary kidney transplants between Jan 1, 2005 to Dec 31, 2009.Results60,695 recipients were included; 41,426 Caucasians (68%) and 19,269 AAs (32%). At baseline, AAs were younger, had lower college graduation rates, were more likely to be receiving public health insurance and have diabetes. At one-year post-transplant, AAs had 62% higher risk of graft loss (RR 1.62, 95% CI 1.50-1.75) which increased to 93% at five years (RR 1.93, 95% CI 1.85-2.01). Adjusted risk of graft loss, accounting for baseline characteristics, was 60% higher in AAs (HR 1.61 [1.52-1.69]). AAs had significantly higher risk of acute rejection and delayed graft function.ConclusionAAs continue to experience disproportionately high rates of graft loss within the contemporary era of transplant, which are related to a convergence of an array of socioeconomic and biologic risk factors.

| S-EPMC5373991 | biostudies-literature

Combined Calorie and Protein Restriction in Healthy Kidney Donors Improves Kidney Outcome in Donors and Kidney Transplant Recipients

Project description:A preoperative short-term diet combining calorie and protein restriction diet given during five days before kidney donation and transplantation improves kidney outcome in live kidney donors and kidney transplant recipients, which shows that the benefits of dietary restriction on stress resistance can be induced rapidly in humans, and may be used for clinically relevant endpoints.

2020-09-04 | GSE103532 | GEO

Bone Fragment Co-transplantation Alongside Bone Marrow Aspirate Infusion Protects Kidney Transplant Recipients.

Project description:Integration of non-vascularized bone grafting and bone marrow aspirate infusion in transplantation may provide clinical benefit. Here we have incorporated bone fragment co-transplantation and bone marrow aspirate infusion (BF-BM) into living kidney transplantation (LKT). Twenty LKT recipients receiving bone fragments and bone marrow aspirates donated from their corresponding donors were enrolled into a retrospective study. A contemporaneous control group was formed of 38 out of 128 conventional LKT recipients, selected using propensity score matching by a 1:2 Greedy algorithm. Ultrasonography, contrast-enhanced ultrasonography (US/CEUS) and SPECT/CT showed that the co-transplanted bone fragments remained viable for 6 months, subsequently shrank, and finally degenerated 10 months post-transplantation. BF-BM resulted in earlier kidney recovery and more robust long-term kidney function. Throughout 5 years of follow-up, BF-BM had regulatory effects on dendritic cells (DCs), T helper (Th1/Th2) cells and regulatory T cells (Tregs). Both alloantigen-specific lymphocyte proliferation and panel reactive antibody levels were negative in all recipients with or without BF-BM. In addition, the BF-BM group experienced few complications during the 5-year follow-up (as did the donors)-this was not different from the controls. In conclusion, BF-BM is safe and benefits recipients by protecting the kidney and regulating the immune response.

| S-EPMC7904687 | biostudies-literature

DNA methylation profiling of kidney transplant recipients

Project description:Targeted bisulfite sequencing data of peripheral blood mononuclear cells (PBMCs) from participants pre- and post- kidney transplant(Tx) was generated to study 1) methylation difference between pre- and postTx, 2) methylation difference between cytomegalovirus (CMV) seropositive and seronegative in preTx, 3) immune response regarding Tx and immunosuppression prophylaxes, and 4) how the gene expression and DNA methylation are associated.

2024-10-15 | GSE250535 | GEO

Impact of Cardiovascular Risk Factors on Graft Outcome Disparities in Black Kidney Transplant Recipients.

Project description:Although outcome inequalities for non-Hispanic black (NHB) kidney transplant recipients are well documented, there is paucity in data assessing the impact of cardiovascular disease (CVD) risk factors on this disparity in kidney transplantation. This was a longitudinal study of a national cohort of veteran kidney recipients transplanted between January 2001 and December 2007. Data included baseline characteristics acquired through the United States Renal Data System linked to detailed clinical follow-up information acquired through the Veterans Affairs electronic health records. Analyses were conducted using sequential multivariable modeling (Cox regression), incorporating blocks of variables into iterative nested models; 3139 patients were included (2095 non-Hispanic whites [66.7%] and 1044 NHBs [33.3%]). NHBs had a higher prevalence of hypertension (100% versus 99%; P<0.01) and post-transplant diabetes mellitus (59% versus 53%; P<0.01) with reduced control of hypertension (blood pressure <140/90 60% versus 69%; P<0.01), diabetes mellitus (A1c <7%, 35% versus 47%; P<0.01), and low-density lipoprotein (<100 mg/dL, 55% versus 61%; P<0.01). Adherence to medications used to manage CVD risk was significantly lower in NHBs. In the fully adjusted models, the independent risk of graft loss in NHBs was substantially reduced (unadjusted hazard ratio, 2.00 versus adjusted hazard ratio, 1.49). CVD risk factors and control reduced the influence of NHB race by 9% to 18%. Similar trends were noted for mortality, and estimates were robust across in sensitivity analyses. These results demonstrate that NHB kidney transplant recipients have significantly higher rates of CVD risk factors and reduced CVD risk control. These issues are likely partly related to medication nonadherence and meaningfully contribute to racial disparities for graft outcomes.

| S-EPMC4982810 | biostudies-literature

Safety events in kidney transplant recipients: results from the folic Acid for vascular outcome reduction in transplant trial.

Project description:Kidney transplant recipients are at increased risk for adverse safety events related to their reduced renal function and many medications.We determined the incidence of adverse safety events based on previously defined Agency for Healthcare and Research Quality (AHRQ) International Classification of Diseases-9 (ICD-9) code-derived patient safety indicators (PSI) in the Folic Acid for Vascular Outcome Reduction in Transplant trial participants who had a hospitalization stratified by tertiles of estimated glomerular filtration rate (GFR). We also examined the frequency of Micromedex defined two precautionary drug-drug interactions, and two medications whose use may be contraindicated because of reduced GFR from the Folic Acid for Vascular Outcome Reduction in Transplant trial medication thesaurus at baseline, and annually among 4,110 participants. Logistic regression was used to examine the relationship between patient safety events and baseline demographic and clinical variables at a participant level. Event rates were estimated at participant and visit levels.Of the 2,514 patients with a hospitalization, 978 (38.9%) experienced an AHRQ PSI. Factors which were associated with more common AHRQ PSI included: U.S. location, history of cardiovascular disease or diabetes, and lower tertile of estimated GFR. At a participant level, 2,524 of the 4,110 participants (61.4%) were taking calcineurin inhibitor and statin, 378 (9.2%) were taking azathioprine and an angiotensin-converting enzyme inhibitor, 171 (12.9%) were taking a sulfonylurea), 45 (3.4%) were taking metformin despite a baseline GFR below 40 mL per min per 1.73 m.We conclude that patient safety events are not uncommon in kidney transplant recipients. Careful monitoring is necessary to prevent adverse outcomes.

| S-EPMC4469189 | biostudies-literature

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