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Mantovani L, Mikus E, Tenti E, Sangiorgi D, Zannoni S, Cavallucci A, Ferroni L, Cimaglia P, Tolio V, Tremoli E, Savini C. Post-Operative Delirium and Cognitive Dysfunction in Aged Patients Undergoing Cardiac Surgery: A Randomized Comparison between Two Blood Oxygenators. Bioengineering (Basel) 2023; 10:1429. [PMID: 38136021 PMCID: PMC10740454 DOI: 10.3390/bioengineering10121429] [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: 10/03/2023] [Revised: 12/05/2023] [Accepted: 12/12/2023] [Indexed: 12/24/2023] Open
Abstract
In elderly patients undergoing cardiac surgery, extracorporeal circulation affects the incidence of post-operative delirium and cognitive impairment with an impact on quality of life and mortality. In this study, a new oxygenator system (RemoweLL 2) was tested against a conventional system to assess its efficacy in reducing the onset of postoperative delirium and cognitive dysfunction and the levels of serum inflammatory markers. A total of 154 patients (>65 y.o.) undergoing cardiopulmonary bypass (CPB) were enrolled and randomly assigned to oxygenator RemoweLL 2 (n = 81) or to gold standard device Inspire (n = 73) between September 2019 and March 2022. The aims of the study were to assess the incidence of delirium and the cognitive decline by neuropsychiatric tests and the MoCa test intra-hospital and at 6 months after CPB. Inflammation biomarkers in both groups were also evaluated. Before the CPB, the experimental groups were comparable for all variables. After CPB, the incidence of severe post-operative delirium showed a better trend (p = 0.093) in patients assigned to RemoweLL 2 (16.0%) versus Inspire (26.0%). Differences in enolase levels (p = 0.049), white blood cells (p = 0.006), and neutrophils (p = 0.003) in favor of RemoweLL 2 were also found. The use of novel and better construction technologies in CPB oxygenator devices results in measurable better neurocognitive and neurological outcomes in the elderly population undergoing CPB.
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Affiliation(s)
- Lorenzo Mantovani
- Cardiovascular Department, Maria Cecilia Hospital, GVM Care & Research, 48031 Cotignola, Italy; (L.M.); (E.T.); (D.S.); (S.Z.); (A.C.); (L.F.); (V.T.); (E.T.); (C.S.)
| | - Elisa Mikus
- Cardiovascular Department, Maria Cecilia Hospital, GVM Care & Research, 48031 Cotignola, Italy; (L.M.); (E.T.); (D.S.); (S.Z.); (A.C.); (L.F.); (V.T.); (E.T.); (C.S.)
| | - Elena Tenti
- Cardiovascular Department, Maria Cecilia Hospital, GVM Care & Research, 48031 Cotignola, Italy; (L.M.); (E.T.); (D.S.); (S.Z.); (A.C.); (L.F.); (V.T.); (E.T.); (C.S.)
| | - Diego Sangiorgi
- Cardiovascular Department, Maria Cecilia Hospital, GVM Care & Research, 48031 Cotignola, Italy; (L.M.); (E.T.); (D.S.); (S.Z.); (A.C.); (L.F.); (V.T.); (E.T.); (C.S.)
| | - Samantha Zannoni
- Cardiovascular Department, Maria Cecilia Hospital, GVM Care & Research, 48031 Cotignola, Italy; (L.M.); (E.T.); (D.S.); (S.Z.); (A.C.); (L.F.); (V.T.); (E.T.); (C.S.)
| | - Andrea Cavallucci
- Cardiovascular Department, Maria Cecilia Hospital, GVM Care & Research, 48031 Cotignola, Italy; (L.M.); (E.T.); (D.S.); (S.Z.); (A.C.); (L.F.); (V.T.); (E.T.); (C.S.)
| | - Letizia Ferroni
- Cardiovascular Department, Maria Cecilia Hospital, GVM Care & Research, 48031 Cotignola, Italy; (L.M.); (E.T.); (D.S.); (S.Z.); (A.C.); (L.F.); (V.T.); (E.T.); (C.S.)
| | - Paolo Cimaglia
- Cardiology Unit, Azienda Ospedaliero Universitaria di Ferrara, 44124 Ferrara, Italy;
| | - Valentina Tolio
- Cardiovascular Department, Maria Cecilia Hospital, GVM Care & Research, 48031 Cotignola, Italy; (L.M.); (E.T.); (D.S.); (S.Z.); (A.C.); (L.F.); (V.T.); (E.T.); (C.S.)
| | - Elena Tremoli
- Cardiovascular Department, Maria Cecilia Hospital, GVM Care & Research, 48031 Cotignola, Italy; (L.M.); (E.T.); (D.S.); (S.Z.); (A.C.); (L.F.); (V.T.); (E.T.); (C.S.)
| | - Carlo Savini
- Cardiovascular Department, Maria Cecilia Hospital, GVM Care & Research, 48031 Cotignola, Italy; (L.M.); (E.T.); (D.S.); (S.Z.); (A.C.); (L.F.); (V.T.); (E.T.); (C.S.)
- Department of Experimental Diagnostic and Surgical Medicine (DIMEC), University of Bologna, 40126 Bologna, Italy
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Liu A, Sun Z, Liu Q, Zhu N, Wang S. Pumping O2 with no N2: An Overview of Hollow Fiber Membrane Oxygenators with Integrated Arterial Filters. Curr Top Med Chem 2019; 20:78-85. [PMID: 31820691 DOI: 10.2174/1568026619666191210161013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 10/01/2019] [Accepted: 10/20/2019] [Indexed: 11/22/2022]
Abstract
The advancement of cardiac surgery benefits from the continual technological progress of cardiopulmonary bypass (CPB). Every improvement in the CPB technology requires further clinical and laboratory tests to prove its safety and effectiveness before it can be widely used in clinical practice. In order to reduce the priming volume and eliminate a separate arterial filter in the CPB circuit, several manufacturers developed novel hollow-fiber membrane oxygenators with integrated arterial filters (IAF). Clinical and experimental studies demonstrated that an oxygenator with IAF could reduce total priming volume, blood donor exposure and gaseous microemboli delivery to the patient. It can be easily set up and managed, simplifying the CPB circuit without sacrificing safety. An oxygenator with IAF is expected to be more beneficial to the patients with low body weight and when using a minimized extracorporeal circulation system. The aim of this review manuscript was to discuss briefly the concept of integration, the current oxygenators with IAF, and the in-vitro / in-vivo performance of the oxygenators with IAF.
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Affiliation(s)
- Anxin Liu
- Center for Cardiac Intensive Care, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Zhiquan Sun
- Center for Cardiac Intensive Care, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Qier Liu
- Biologic Sciences, College of Liberal Arts and Sciences, University of Connecticut, Storrs, CT, United States
| | - Ning Zhu
- Hunan University of Medicine, Huaihua, Hunan, China
| | - Shigang Wang
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, United States
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Roberts SM, Cios TJ. Con: Hyperoxia Should Not Be Used Routinely in the Management of Cardiopulmonary Bypass. J Cardiothorac Vasc Anesth 2019; 33:2075-2078. [PMID: 30890393 DOI: 10.1053/j.jvca.2019.02.027] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 02/11/2019] [Accepted: 02/12/2019] [Indexed: 11/11/2022]
Affiliation(s)
- S Michael Roberts
- Department of Anesthesiology and Perioperative Medicine, Penn State Health Milton S Hershey Medical Center, Hershey, PA.
| | - Theodore J Cios
- Department of Anesthesiology and Perioperative Medicine, Penn State Health Milton S Hershey Medical Center, Hershey, PA
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