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Karatisidis L, Zagoridis K, Mprotsis T, Misidou C, Pentidou A, Vrachiolias G, Bezirgianidou Z, Kontomanolis E, Spanoudakis E. Obese patients with atrial fibrillation are more efficiently protected from thrombosis under warfarin or xabans compared to non-obese patients; a systematic review and Meta-analysis of six randomized controlled trials. Thromb Res 2024; 238:88-96. [PMID: 38696925 DOI: 10.1016/j.thromres.2024.04.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 02/29/2024] [Accepted: 04/22/2024] [Indexed: 05/04/2024]
Abstract
INTRODUCTION Recommendations about proper anticoagulation in obese patients, body mass index (BMI) > 30 kg/m2, are not yet clearly defined. Obese patients were included in randomized controlled trials comparing new anticoagulants (NOACs) with warfarin in patients with atrial fibrillation or thromboembolism. METHODS We performed a medline search entering proper criteria and finally 6 post-hoc analysis of RCTs, reporting outcome according to BMI, were included in this meta-analysis. Two major outcomes were considered end points in our meta-analysis; thrombosis, including ischemic cerebral events (transient or not) and venous thrombosis (DVD) /pulmonary embolism (PE) and bleeding, including major bleeding and clinically relevant non-major bleeding. RESULTS In the NOACs treated group, thrombosis occurred less frequently in obese vs non-obese patients; RR and 95 % CI 0,75 (0,58-0,97), p = 0,03, while low heterogeneity was observed (I2= 40 %). In the warfarin treated subgroup there was statistically significant difference with less thrombotic events occurring in the obese vs non-obese patients; RR and (95 % CI) 0,80 (0,66-0,98), p = 0,03, and heterogeneity was low (I2 = 24 %). This protective effect called the obesity paradox is limited to obese patients anticoagulated for non-valvular atrial fibrillation (NVAF); RR (95 % CI) was 0,70 (0,58-0,85) p = 0,03 and I2 = 24 %. Bleeding events were similar under both NOACs and warfarin in obese vs non-obese analysis. CONCLUSIONS Obese patients anticoagulated for NVAF with either standard dose of xabans or INR guided warfarin are more efficiently protected against thrombosis compared to non-obese patients.
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Affiliation(s)
- Lazaros Karatisidis
- Department of Hematology, Democritus University of Thrace, Medical School, Alexandroupolis, Greece
| | - Konstantinos Zagoridis
- Department of Hematology, Democritus University of Thrace, Medical School, Alexandroupolis, Greece
| | - Theodoros Mprotsis
- Department of Biomathematics, University of Thessaly, School of Medicine, Greece
| | - Christina Misidou
- Department of Hematology, Democritus University of Thrace, Medical School, Alexandroupolis, Greece
| | - Aikaterini Pentidou
- Department of Hematology, Democritus University of Thrace, Medical School, Alexandroupolis, Greece
| | - George Vrachiolias
- Department of Hematology, Democritus University of Thrace, Medical School, Alexandroupolis, Greece
| | - Zoi Bezirgianidou
- Department of Hematology, Democritus University of Thrace, Medical School, Alexandroupolis, Greece
| | - Emmanouil Kontomanolis
- Department of Obstetric Gynecology, Democritus University of Thrace, Medical School, Alexandroupolis, Greece
| | - Emmanouil Spanoudakis
- Department of Hematology, Democritus University of Thrace, Medical School, Alexandroupolis, Greece.
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Naoum JJ. Anticoagulation Management Post Pulmonary Embolism. Methodist Debakey Cardiovasc J 2024; 20:27-35. [PMID: 38765210 PMCID: PMC11100539 DOI: 10.14797/mdcvj.1338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 02/27/2024] [Indexed: 05/21/2024] Open
Abstract
Pulmonary embolus (PE) carries a significant impending morbidity and mortality, especially in intermediate and high-risk patients, and the choice of initial anticoagulation that allows for therapeutic adjustment or manipulation is important. The preferred choice of anticoagulation management includes direct oral anticoagulants. Vitamin K antagonists and low-molecular-weight heparin are preferred in special populations or selected patients such as breastfeeding mothers, those with end-stage renal disease, or obese patients, among others. This article reviews the primary and longer-term considerations for anticoagulation management in patients with PE and highlights special patient populations and risk factor considerations.
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Affiliation(s)
- Joseph J. Naoum
- Houston Methodist Hospital Clear Lake, Nassau Bay, Texas, US
- Houston Methodist DeBakey Heart & Vascular Center, Houston, Texas, US
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Stöllberger C, Finsterer J, Schneider B. Interactions between antiepileptic drugs and direct oral anticoagulants for primary and secondary stroke prevention. Expert Opin Drug Metab Toxicol 2024; 20:359-376. [PMID: 38712571 DOI: 10.1080/17425255.2024.2352466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 05/03/2024] [Indexed: 05/08/2024]
Abstract
INTRODUCTION Direct oral anticoagulants (DOAC) are the guideline-recommended therapy for prevention of stroke in atrial fibrillation (AF) and venous thromboembolism. Since approximately 10% of patients using antiepileptic drugs (AED) also receive DOAC, aim of this review is to summarize data about drug-drug interactions (DDI) of DOAC with AED by using data from PubMed until December 2023. AREAS COVERED Of 49 AED, only 16 have been investigated regarding DDI with DOAC by case reports or observational studies. No increased risk for stroke was reported only for topiramate, zonisamide, pregabalin, and gabapentin, whereas for the remaining 12 AED conflicting results regarding the risk for stroke and bleeding were found. Further 16 AED have the potential for pharmacodynamic or pharmacokinetic DDI, but no data regarding DOAC are available. For the remaining 17 AED it is unknown if they have DDI with DOAC. EXPERT OPINION Knowledge about pharmacokinetic and pharmacodynamic DDI of AED and DOAC is limited and frequently restricted to in vitro and in vivo findings. Since no data about DDI with DOAC are available for 67% of AED and an increasing number of patients have a combined medication of DOAC and AED, there is an urgent need for research on this topic.
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Kingma JS, Brenkman IAM, van den Broek MPH, van den Bemt PMLA, Janssen K, Knibbe CAJ, Burgers DMT. Documentation of the Patient Characteristics Morbid Obesity and Bariatric Surgery in the Hospital Information System and the Influence on the Number of Medication-Related Problems. Ann Pharmacother 2024:10600280231226243. [PMID: 38268179 DOI: 10.1177/10600280231226243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2024] Open
Abstract
BACKGROUND As a result of pharmacokinetic changes, individuals with morbid obesity and/or with bariatric surgery may require dose adjustments, additional monitoring or medication should be avoided. Clinical decision support (CDS) may provide automated alerts enabling correct prescribing but requires documentation of these patient characteristics in the Hospital Information System (HIS) to prevent medication-related problems (MRPs). OBJECTIVE The primary objective is to determine the proportion of patients with documentation of the patient characteristics morbid obesity and bariatric surgery in the HIS. The secondary objective is to compare the proportion of patients with an MRP in the group with versus without documentation. Also, the type and severity of MRPs and the medication involved are determined. METHODS A prospective cohort study was performed. Patients admitted to the hospital were identified as morbidly obese and/or with bariatric surgery. In the identified patients, the proportion of patients with documentation of the patient characteristics in the HIS was evaluated as primary outcome. Subsequently, patient records were reviewed for MRPs, which were categorized and associated medication was registered. For the primary objective, descriptive statistics was used. For the secondary outcome, the Fisher's exact test was used. RESULTS In 43 (21.4%, 95% confidence interval [CI]: 15.7%-27.1%) of 201 included patient (113 morbid obesity, 70 bariatric surgery and 18 both), the patient characteristics were documented. An MRP occurred in 2.3% versus 13.9% (P = 0.032) of patients with and without documentation, respectively. The most common MRP was underdosing in morbid obesity, while in patients with bariatric surgery it was prescription of contra-indicated medication. CONCLUSION AND RELEVANCE The proportion of patients with documentation of the patient characteristics bariatric surgery and/or morbid obesity in the HIS is low, which appears to be associated with more MRPs. To improve medication safety, it is important to document these patient characteristics.
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Affiliation(s)
- Jurjen S Kingma
- Department of Clinical Pharmacy, St. Antonius Hospital, Nieuwegein, The Netherlands
| | - Iris A M Brenkman
- Department of Clinical Pharmacy, St. Antonius Hospital, Nieuwegein, The Netherlands
- Department of Pharmaceutics, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Marcel P H van den Broek
- Department of Clinical Pharmacy, St. Antonius Hospital, Nieuwegein, The Netherlands
- Department of Pharmaceutics, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Patricia M L A van den Bemt
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, Groningen, The Netherlands
| | - Karin Janssen
- Department of Clinical Pharmacy, St. Antonius Hospital, Nieuwegein, The Netherlands
| | - Catherijne A J Knibbe
- Department of Clinical Pharmacy, St. Antonius Hospital, Nieuwegein, The Netherlands
- Division of Systems Pharmacology and Pharmacy, Leiden Academic Centre for Drug Research, Leiden University, Leiden, The Netherlands
| | - Desirée M T Burgers
- Department of Clinical Pharmacy, St. Antonius Hospital, Nieuwegein, The Netherlands
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Rueda-Camino JA, Barba R, Otálora S, Bura-Riviere A, Visonà A, Mahé I, Alda-Lozano A, Alfonso Megido J, Pacheco-Gómez N, Rosovsky RP, Monreal M. Real life results of direct-acting oral anticoagulants recommended-dose in obese vs normal-weight patients with venous thromboembolism. Thromb Res 2024; 233:165-172. [PMID: 38070219 DOI: 10.1016/j.thromres.2023.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 11/28/2023] [Accepted: 12/04/2023] [Indexed: 01/01/2024]
Abstract
BACKGROUND There is scarce evidence on the effectiveness and safety of recommended-dose direct acting oral anticoagulants (DOACs) in obese patients with venous thromboembolism (VTE). MATERIAL AND METHODS We used the data in the RIETE registry to compare the rates of VTE recurrences and major bleeding during long-term therapy with DOACs at recommended doses in patients with body mass index ≥30 kg/m2 (obese) vs. those with BMI 18.5-24.9 kg/m2 (normal weight). We performed regression models with competing risks for death. RESULTS From January 2013 through October 2022, 2885 obese patients and 2676 with normal weight in RIETE received rivaroxaban (n = 3020), apixaban (n = 1754), edoxaban (n = 636) or dabigatran (n = 151). Median age was 63 years and 52 % were female. At baseline, obese patients were more likely to have diabetes (18.6 % vs. 8.4 %), hypertension (51.9 % vs. 31.4 %) or pulmonary embolism (67.7 % vs. 61 %), and less likely to have renal insufficiency (5.3 % vs. 16 %) or anaemia (21.8 % vs. 28 %%). During anticoagulation (median, 147 vs. 101 days), the obese had a similar rate of VTE recurrences (1.71 vs. 2.14 events per 100 patients-years; hazard ratio (HR): 0.81; 95 % CI: 0.49-1.34) or major bleeding (1.45 vs. 1.76 per 100 patients-years; HR: 0.91; 95 % CI: 0.52-1.59) than those with normal weight. These findings persisted after multivariable analysis (recurrent VTE, HR: 0.80; 95 % CI: 0.48-1.32; major bleeding, HR: 1.11; 95 % CI: 0.60-2.07). CONCLUSION The use of DOACs at recommended doses in obese patients with VTE was associated with similar rates of VTE recurrences or major bleeding than in patients with normal weight.
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Affiliation(s)
- José Antonio Rueda-Camino
- Department of Internal Medicine, Hospital Universitario Rey Juan Carlos, Móstoles, Madrid, Spain; Health Research Institute Fundación Jiménez Díaz, Madrid, Spain.
| | - Raquel Barba
- Department of Internal Medicine, Hospital Universitario Rey Juan Carlos, Móstoles, Madrid, Spain; Health Research Institute Fundación Jiménez Díaz, Madrid, Spain
| | - Sonia Otálora
- Department of Internal Medicine, Hospital Universitario Virgen de Arrixaca, Murcia, Spain
| | | | - Adriana Visonà
- Department of Vascular Medicine, Ospedale Castelfranco Veneto, Castelfranco Veneto, Italy
| | - Isabelle Mahé
- Department of Internal Medicine, Hôpital Louis Mourier, Assistance Publique des Hôpitaux de Paris (AP-HP), Colombes, France; Université Paris Cité, France, INSERM UMR-S-1140, Paris, France
| | - Alicia Alda-Lozano
- Department of Internal Medicine, Hospital Reina Sofía, Tudela, Navarra, Spain
| | | | | | - Rachel P Rosovsky
- Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States of America
| | - Manuel Monreal
- Chair for the Study of Thromboembolic Disease, Faculty of Health Sciences, UCAM - Universidad Católica San Antonio de Murcia, Spain; CIBER Enfermedades Respiratorias (CIBERES), Madrid, Spain
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Zhang H, Xie H, Wang X, Zhu Z, Duan F. Effectiveness and safety of non-vitamin K antagonist oral anticoagulant in the treatment of patients with morbid obesity or high body weight with venous thromboembolism: A meta-analysis. Medicine (Baltimore) 2023; 102:e35015. [PMID: 37682131 PMCID: PMC10489198 DOI: 10.1097/md.0000000000035015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Accepted: 08/08/2023] [Indexed: 09/09/2023] Open
Abstract
BACKGROUND Venous thromboembolism (VTE) poses a significant health risk to patients with morbid obesity or high body weight. Non-vitamin K antagonist oral anticoagulants (NOACs) are emerging treatments, but their effectiveness and safety compared with vitamin K antagonists (VKAs) in this population are yet to be thoroughly studied. METHODS We conducted a systematic review and meta-analysis, adhering to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Four electronic databases were searched for relevant studies comparing the efficacy and safety of NOACs and VKAs in treating patients with VTE with a body mass index > 40 kg/m2 or body weight > 120 kg. Eligible studies were scored for quality using the Newcastle-Ottawa Scale. RESULTS Thirteen studies were included. The meta-analysis results showed that compared to VKAs, NOACs significantly decreased the risk of VTE occurrence (odds ratio = 0.72, 95% CI: 0.57-0.91, I2 = 0%, P < .001) and were associated with a lower risk of bleeding (odds ratio = 0.74, 95% CI: 0.58-0.95, I2 = 0%, P < .05). Subgroup analysis showed that in the cancer patient subgroup, both risks of VTE occurrence and bleeding were lower in the NOAC group than in the VKA group. In patients without cancer, the risk of VTE was significantly lower in the NOAC group. CONCLUSION NOACs appear to be more effective and safer than VKAs in patients with morbid obesity or a high body weight with VTE. However, further large-scale randomized controlled trials are required to confirm these findings.
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Affiliation(s)
- Hongxia Zhang
- Department of Neurology, Sixth Medical Center, General Hospital of The People’s Liberation Army, Haidian District, Beijing, China
| | - Hua Xie
- Healthcare Department 1, Second Medical Center, General Hospital of The People’s Liberation Army, Haidian District, Beijing, China
| | - Xiaoyan Wang
- Department of Neurology, Sixth Medical Center, General Hospital of The People’s Liberation Army, Haidian District, Beijing, China
| | - Zonghong Zhu
- Department of Emergency, Sixth Medical Center, General Hospital of The People’s Liberation Army, Haidian District, Beijing, China
| | - Feng Duan
- Department of Neurology, Sixth Medical Center, General Hospital of The People’s Liberation Army, Haidian District, Beijing, China
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Swartz DE, Gupta S. RE: Letter to the Editor "Practical Issues with Using Direct Oral Anticoagulant After Bariatric Metabolic Surgery" Following the Publication of: "30-Day Post-Discharge Prophylaxis with Rivaroxaban Prevents PMVT Following Laparoscopic Sleeve Gastrectomy". Obes Surg 2023:10.1007/s11695-023-06592-5. [PMID: 37084022 DOI: 10.1007/s11695-023-06592-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 04/05/2023] [Accepted: 04/10/2023] [Indexed: 04/22/2023]
Affiliation(s)
- Daniel E Swartz
- Saint Agnes Care Metabolic and Bariatric Surgery, Saint Agnes Medical Center, 1510 East Herndon Ave., Ste 210, Fresno, CA, 93720, USA.
| | - Sachin Gupta
- California Cancer Associates for Research & Excellence, 7130 N Millbrook Ave, Fresno, CA, 93720, USA
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