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Phan J, Elgendi K, Javeed M, Aranda JM, Ahmed MM, Vilaro J, Al-Ani M, Parker AM. Thrombotic and Hemorrhagic Complications Following Left Ventricular Assist Device Placement: An Emphasis on Gastrointestinal Bleeding, Stroke, and Pump Thrombosis. Cureus 2023; 15:e51160. [PMID: 38283491 PMCID: PMC10811971 DOI: 10.7759/cureus.51160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 12/27/2023] [Indexed: 01/30/2024] Open
Abstract
The left ventricular assist device (LVAD) is a mechanical circulatory support device that supports the heart failure patient as a bridge to transplant (BTT) or as a destination therapy for those who have other medical comorbidities or complications that disqualify them from meeting transplant criteria. In patients with severe heart failure, LVAD use has extended survival and improved signs and symptoms of cardiac congestion and low cardiac output, such as dyspnea, fatigue, and exercise intolerance. However, these devices are associated with specific hematologic and thrombotic complications. In this manuscript, we review the common hematologic complications of LVADs.
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Affiliation(s)
- Joseph Phan
- Internal Medicine, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Clearwater, USA
| | - Kareem Elgendi
- Internal Medicine, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Clearwater, USA
| | - Masi Javeed
- Internal Medicine, HCA Healthcare/University of South Florida Morsani College of Medicine, Graduate Medical Education: Bayonet Point Hospital, Hudson, USA
| | - Juan M Aranda
- Department of Medicine, Division of Cardiovascular Medicine, University of Florida College of Medicine, Gainesville, USA
| | - Mustafa M Ahmed
- Department of Medicine, Division of Cardiovascular Medicine, University of Florida College of Medicine, Gainesville, USA
| | - Juan Vilaro
- Department of Medicine, Division of Cardiovascular Medicine, University of Florida College of Medicine, Gainesville, USA
| | - Mohammad Al-Ani
- Department of Medicine, Division of Cardiovascular Medicine, University of Florida College of Medicine, Gainesville, USA
| | - Alex M Parker
- Department of Medicine, Division of Cardiovascular Medicine, University of Florida College of Medicine, Gainesville, USA
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Masarone D, Houston B, Falco L, Martucci ML, Catapano D, Valente F, Gravino R, Contaldi C, Petraio A, De Feo M, Tedford RJ, Pacileo G. How to Select Patients for Left Ventricular Assist Devices? A Guide for Clinical Practice. J Clin Med 2023; 12:5216. [PMID: 37629257 PMCID: PMC10455625 DOI: 10.3390/jcm12165216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 08/04/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
In recent years, a significant improvement in left ventricular assist device (LVAD) technology has occurred, and the continuous-flow devices currently used can last more than 10 years in a patient. Current studies report that the 5-year survival rate after LVAD implantation approaches that after a heart transplant. However, the outcome is influenced by the correct selection of the patients, as well as the choice of the optimal time for implantation. This review summarizes the indications, the red flags for prompt initiation of LVAD evaluation, and the principles for appropriate patient screening.
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Affiliation(s)
- Daniele Masarone
- Heart Failure Unit, Department of Cardiology, AORN Dei Colli-Monaldi Hospital, 84121 Naples, Italy
| | - Brian Houston
- Department of Medicine, Division of Cardiology, Medical University of South Carolina, Charleston, SC 158155, USA (R.J.T.)
| | - Luigi Falco
- Heart Failure Unit, Department of Cardiology, AORN Dei Colli-Monaldi Hospital, 84121 Naples, Italy
| | - Maria L. Martucci
- Heart Failure Unit, Department of Cardiology, AORN Dei Colli-Monaldi Hospital, 84121 Naples, Italy
| | - Dario Catapano
- Heart Failure Unit, Department of Cardiology, AORN Dei Colli-Monaldi Hospital, 84121 Naples, Italy
| | - Fabio Valente
- Heart Failure Unit, Department of Cardiology, AORN Dei Colli-Monaldi Hospital, 84121 Naples, Italy
| | - Rita Gravino
- Heart Failure Unit, Department of Cardiology, AORN Dei Colli-Monaldi Hospital, 84121 Naples, Italy
| | - Carla Contaldi
- Heart Failure Unit, Department of Cardiology, AORN Dei Colli-Monaldi Hospital, 84121 Naples, Italy
| | - Andrea Petraio
- Heart Transplant Unit, Department of Cardiac Surgery and Transplant, AORN Dei Colli-Monaldi Hospital, 84121 Naples, Italy
| | - Marisa De Feo
- Cardiac Surgery Unit, Department of Cardiac Surgery and Transplant, AORN Dei Colli-Monaldi Hospital, 84121 Naples, Italy
| | - Ryan J. Tedford
- Department of Medicine, Division of Cardiology, Medical University of South Carolina, Charleston, SC 158155, USA (R.J.T.)
| | - Giuseppe Pacileo
- Heart Failure Unit, Department of Cardiology, AORN Dei Colli-Monaldi Hospital, 84121 Naples, Italy
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Mohamed MS, Shehadah A, Hashem A, Chand S, Bapaye J, Khalouf A, Rai D, Peter S. Gastrointestinal Bleeding in Patients Supported with Left Ventricular Assist Devices: The Journey from Bridging to Destination. Am J Cardiol 2023; 201:71-77. [PMID: 37352668 DOI: 10.1016/j.amjcard.2023.05.059] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 05/15/2023] [Accepted: 05/31/2023] [Indexed: 06/25/2023]
Abstract
End-stage heart failure is a prevalent and fatal cardiovascular disease. Almost 1 in 4 cases of mortality in the United States is attributed to heart failure. Left ventricular assist devices (LVADs) have emerged as a safe destination therapy or bridge to transplant. Despite remarkable results, LVAD is associated with significant adverse events, such as gastrointestinal bleeding (GIB). In this review, we aimed to understand the incidence and prevalence, pathophysiologic mechanisms, predictors, diagnostic mechanisms, management, and preventative measures of GIB in patients with an LVAD. GIB is a common adverse event in patients with an LVAD with an incidence of 15% to 25%. The exact pathogenesis of GIB is poorly understood. However, different mechanisms of bleeding have been described, such as arteriovenous malformations, acquired von Willebrand syndrome, coagulopathy, and treatment with antithrombotic therapy. Upper GIB is the most common site of GIB in patients with an LVAD. The management of GIB in patients with LVAD includes ensuring hemodynamic stability, holding or reversing antithrombotic therapy, and investigating and controlling the source of GIB through diagnostic and interventional endoscopic and radiologic means. Prophylactic medication use (e.g., danazol, octreotide, and bevacizumab) can decrease the risk of GIB in patients with an LVAD by decreasing arteriovenous malformations. Despite that the overall risk of GIB has decreased with new advancements in LVAD technology, further studies are needed regarding predictors, risk stratification, and optimal antithrombotic therapy to minimize the morbidity and mortality in patients with an LVAD. In conclusion, prompt diagnosis and management in a multidisciplinary team approach are crucial and lifesaving in such a life-threatening condition.
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Affiliation(s)
| | - Ahmed Shehadah
- Department of Internal Medicine, Rochester General Hospital, Rochester, New York
| | - Anas Hashem
- Department of Internal Medicine, Rochester General Hospital, Rochester, New York
| | - Swati Chand
- Department of Internal Medicine, Rochester General Hospital, Rochester, New York
| | - Jay Bapaye
- Department of Internal Medicine, Rochester General Hospital, Rochester, New York
| | - Amani Khalouf
- Department of Internal Medicine, Rochester General Hospital, Rochester, New York
| | - Devesh Rai
- Sands Constellation Heart Institute, Rochester General Hospital, Rochester, New York
| | - Shajan Peter
- Department of Gastroenterology, University of Alabama, Birmingham, Alabama
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The Glycoprotein (GP)Ib-IX-V Complex on Platelets: GPIbα Protein Expression Is Reduced in HeartMate 3 Patients with Bleeding Complications within the First 3 Months. Int J Mol Sci 2023; 24:ijms24065639. [PMID: 36982712 PMCID: PMC10056759 DOI: 10.3390/ijms24065639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/13/2023] [Accepted: 03/14/2023] [Indexed: 03/18/2023] Open
Abstract
Non-surgical bleeding (NSB) remains the most critical complication in patients under left ventricular assist device (LVAD) support. It is well known that blood exposed to high shear stress results in platelet dysfunction. Compared to patients without NSB, decreased surface expression of platelet receptor GPIbα was observed in LVAD patients with NSB. In this study, we aimed to compare the expression level of glycoprotein (GP)Ib-IX-V platelet receptor complex in HeartMate 3 (HM 3) patients with and without bleeding complications to investigate the alterations of the platelet transcriptomic profile on platelet damage and increased bleeding risk. Blood samples were obtained from HM 3 patients with NSB (bleeder group, n = 27) and without NSB (non-bleeder group, n = 55). The bleeder group was further divided into patients with early NSB (bleeder ≤ 3 mo, n = 19) and patients with late NSB (bleeder > 3 mo, n = 8). The mRNA and protein expression of GPIbα, GPIX and GPV were quantified for each patient. Non-bleeder, bleeder ≤ 3 mo and bleeder > 3 mo were comparable regarding the mRNA expression of GPIbα, GPIX and GPV (p > 0.05). The protein analysis revealed a significantly reduced expression level of the main receptor subunit GPIbα in bleeders ≤ 3 mo (p = 0.04). We suggest that the observed reduction of platelet receptor GPIbα protein expression in patients who experienced their first bleeding event within 3 months after LVAD implantation may influence platelet physiology. The alterations of functional GPIbα potentially reduce the platelet adhesion capacities, which may lead to an impaired hemostatic process and the elevated propensity of bleeding in HM 3 patients.
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Gangwani MK, Aziz M, Nawras A, Priyanka F, Ahmed Z, Khan RS, Qamar MA, Haroon F, Aziz A, Smith WL, Kirshan Ravi SJ, Parikh V, Alyousif Z, Mahmood A, Tariq R, Rai D, Aronow WS. Predictors of gastrointestinal bleeding in patients following left ventricular assist device implantation: a systematic review and meta-analysis. Future Cardiol 2022; 18:957-967. [PMID: 36334072 DOI: 10.2217/fca-2022-0054] [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: 11/08/2022] Open
Abstract
Aim: Our study aims to provide a more holistic understanding of the available data and predictive risk factors for gastrointestinal bleed (GIB). Materials & methods: We searched MEDLINE, Embase, Cochrane Central Register of Controlled Trials and Web of Science Core Collection and calculated relative risk and meta-regression was utilized to evaluate for risk factors in order to assess the effect of covariates. Results: Our meta-analysis reported a pooled prevalence rate of GIB of 24.4%. Meta-regression analysis did not yield a statistically significant association between GIB and risk factors, including age, gender, hypertension, chronic kidney disease and diabetes. Conclusion: Studies investigating larger sample sizes are required for conclusive findings.
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Affiliation(s)
| | - Muhammad Aziz
- Department of Gastroenetrology, University of Toledo Medical Center, Toledo, OH 43614, USA
| | - Ali Nawras
- Department of Gastroenetrology, University of Toledo Medical Center, Toledo, OH 43614, USA
| | - Fnu Priyanka
- Department of Medicine, Chandka Medical College, Larkana, Pakistan
| | - Zohaib Ahmed
- Department of Medicine, University of Toledo Medical Center, Toledo, OH 43614, USA
| | - Raja Samir Khan
- Department of Gastroenetrology, Baylor College of Medicine, Houston, TX 77030, USA
| | | | - Fawad Haroon
- Department of Internal Medicine, Mercy Hospital St. Louis, MO 63141, USA
| | - Abeer Aziz
- Department of Medicine, Aga Khan University, USA
| | - Wade Lee Smith
- Department of Toledo Libraries, University of Toledo, Toledo, OH 43614, USA
| | | | - Vishal Parikh
- Department of Cardiology, Sands Constellation Heart Institute, Rochester Regional Health, Rochester, NY 14621, USA
| | - Zakaria Alyousif
- Department of Medicine, University of Toledo Medical Center, Toledo, OH 43614, USA
| | - Asif Mahmood
- Department of Medicine, University of Toledo Medical Center, Toledo, OH 43614, USA
| | - Raseen Tariq
- Department of Gastroenterology, Mayo Clinic, Rochester, MN 55902, USA
| | - Devesh Rai
- Department of Cardiology, Sands Constellation Heart Institute, Rochester Regional Health, Rochester, NY 14621, USA
| | - Wilbert S Aronow
- Department of Cardiology, Westchester Medical Center, Valhalla, NY 10595, USA
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Decreased Platelet Specific Receptor Expression of P-Selectin and GPIIb/IIIa Predict Future Non-Surgical Bleeding in Patients after Left Ventricular Assist Device Implantation. Int J Mol Sci 2022; 23:ijms231810252. [PMID: 36142161 PMCID: PMC9499488 DOI: 10.3390/ijms231810252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 09/02/2022] [Accepted: 09/05/2022] [Indexed: 11/23/2022] Open
Abstract
Non-surgical bleeding (NSB) is one of the major clinical complications in patients under continuous-flow left ventricular assist device (LVAD) support. The increased shear stress leads to an altered platelet receptor composition. Whether these changes increase the risk for NSB is unclear. Thus, we compared the platelet receptor composition of patients with (bleeder group, n = 18) and without NSB (non-bleeder group, n = 18) prior to LVAD implantation. Blood samples were obtained prior to LVAD implantation and after bleeding complications in the post-implant period. Platelet receptor expression of GPIbα, GPIIb/IIIa, P-selectin and CD63 as well as intra-platelet oxidative stress levels were quantified by flow cytometry. Bleeders and non-bleeders were comparable regarding clinical characteristics, von Willebrand factor diagnostics and the aggregation capacity before and after LVAD implantation (p > 0.05). LVAD patients in the bleeder group suffered from gastrointestinal bleeding (33%; n = 6), epistaxis (22%; n = 4), hematuria or hematoma (17%; n = 3, respectively) and cerebral bleeding (11%; n = 2). Prior to LVAD implantation, a restricted surface expression of the platelet receptors P-selectin and GPIIb/IIIa was observed in the bleeder group (P-selectin: 7.2 ± 2.6%; GPIIb/IIIa: 26,900 ± 13,608 U) compared to non-bleeders (P-selectin: 12.4 ± 8.1%, p = 0.02; GPIIb/IIIa: 36,259 ± 9914 U; p = 0.02). We hypothesized that the reduced platelet receptor expression of P-selectin and GPIIb/IIIa prior to LVAD implantation may be linked to LVAD-related NSB.
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Gerrald JE, Ather A, Schadler A, Birks EJ, Kolodziej AR, Kuan W. Retrospective Review of Secondary Prevention Strategies for Gastrointestinal Bleeding and Associated Clinical Outcomes in Left Ventricular Assist Device Patients. Artif Organs 2022; 46:2423-2431. [PMID: 35578786 DOI: 10.1111/aor.14316] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 04/06/2022] [Accepted: 04/29/2022] [Indexed: 11/26/2022]
Abstract
BACKGROUND Gastrointestinal bleeding (GIB) is one of the most common bleeding complications associated with Left Ventricular Assist Devices (LVAD). Currently, there is no strong evidence or clear guidance for which secondary GIB prophylaxis strategy should be implemented after the discontinuation of aspirin. METHODS Our single-center study describes the outcomes of 26 LVAD patients who experienced a total of 49 GIB events, these individuals were either in Group-1) lower INR target range or Group-2) lower INR target plus a hemostatic agent as the secondary prophylaxis strategy. Each GIB event was considered an independent event. Outcomes assessed were bleeding reoccurrence rates, time to next GIB, acute GIB strategies, GIB-free days, thromboembolic events, survival, coagulation, and hematologic parameters. RESULTS GIB reoccurrence rates were not statistically different, Group-1) 9 (40.9%) vs Group-2) 15 (55.6%), p = 0.308. Danazol was utilized 81.5% of the time as the designated hemostatic agent. Additionally, no significant differences were observed with all of our secondary outcome measures for bleeding, ischemic events, or survival. CONCLUSION While our study was not powered to assess the clinical outcomes related to survival and thromboembolic events, no discernable increased risk of ischemic events including pump thrombosis was observed. Our data suggest that a lower INR target range plus danazol does not confer any additional benefit over a lower INR target range only approach. The results of this report are hypothesis-generating and additional studies are warranted to elucidate the optimal antithrombotic strategy and role of hemostatic agents in reducing the risk of recurrent GIB events.
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Affiliation(s)
| | - Ayesha Ather
- Pharmacy Department, University of Kentucky Medical Center, Lexington, KY, USA
| | - Aric Schadler
- Department of Pediatrics, Kentucky Children's Hospital, Lexington, KY, USA
| | - Emma Jane Birks
- Division of Cardiology, Gill Heart and Vascular Institute, Lexington, KY, USA
| | | | - William Kuan
- Pharmacy Department, University of Kentucky Medical Center, Lexington, KY, USA
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Clinical features of obscure gastrointestinal bleeding undergoing capsule endoscopy: A retrospective cohort study. PLoS One 2022; 17:e0265903. [PMID: 35324984 PMCID: PMC8947120 DOI: 10.1371/journal.pone.0265903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Accepted: 03/09/2022] [Indexed: 11/19/2022] Open
Abstract
Background
Capsule endoscopy has been widely used to investigate obscure gastrointestinal bleeding (OGIB) in the small intestine since its approval in 2001. However, the clinical features of OGIB remain unclear.
Aim
We retrospectively examined the clinical features and risk factors of OGIB in patients who underwent capsule endoscopy in our hospital.
Methods
We included 420 of the 431 patients who underwent capsule endoscopy from June 2014 to May 2021, in whom the small intestine could be observed. We retrospectively compared the clinical features and treatment of OGIB cases, with or without active small bowel bleeding (n = 173), with other cases (n = 247). Patient sex, age, diabetes mellitus, and heart failure histories were matched for the analysis.
Results
The male/female ratio was 247/173 and the average age was 51.54 years. In multivariate analysis, the use of direct oral anticoagulants was significant (P = 0.016), and vascular lesions (P = 0.018) were observed in OGIB cases. When OGIB cases with and without active small bowel bleeding were compared, serum albumin level was lower in cases with active bleeding (P = 0.031). When treatment of OGIB cases were compared, those without vascular lesions could be treated conservatively (P = 0.0047). In the 1:1 propensity score matching analysis, serum creatinine level was elevated in cases of active bleeding (P = 0.029), and cases without vascular lesions were treated conservatively (P = 0.010).
Conclusions
Use of direct oral anticoagulants is frequently associated with OGIB. OGIB patients without vascular lesions may be treated conservatively.
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Pre-Operative Sarcopenia is Predictive of Recurrent Gastrointestinal Bleeding on Left Ventricular Assist Device Support: A Multicenter Analysis. J Heart Lung Transplant 2022; 41:757-762. [DOI: 10.1016/j.healun.2022.01.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 12/13/2021] [Accepted: 01/03/2022] [Indexed: 12/19/2022] Open
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