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Ranucci L, Brischigiaro L, Mazzotta V, Anguissola M, Menicanti L, Bedogni F, Ranucci M. Neurocognitive function in procedures correcting severe aortic valve stenosis: patterns and determinants. Front Cardiovasc Med 2024; 11:1372792. [PMID: 38682100 PMCID: PMC11055462 DOI: 10.3389/fcvm.2024.1372792] [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: 01/18/2024] [Accepted: 03/26/2024] [Indexed: 05/01/2024] Open
Abstract
Background Neurocognitive changes occurring after a surgical aortic valve replacement (SAVR) or transcatheter aortic valve implantation (TAVI) procedure for the correction of severe aortic stenosis (AS) have not been widely addressed and, if addressed, have produced conflicting results. The purpose of this study is to identify the pre-procedural neurocognitive pattern and its determinants in a setting of elderly (>65 years) patients with severe AS undergoing SAVR or TAVI and the changes occurring at a 2-3 month follow-up. Methods This was a prospective cohort study included in the Italian Registry on Outcomes in Aortic Stenosis Treatment in Elderly Patients. Patients were assessed both before and after (2-3 months) the procedure using the Montreal Cognitive Assessment (MoCA) test. Data on periprocedural demographics, clinical factors, and outcome measures were collected. Results Before the procedure, 70% of the patients demonstrated a MoCA score <23 points, which was indicative of cognitive dysfunction. The factors associated with neurocognitive dysfunction were age, functional capacity, chronic heart failure, and hemoglobin levels. After the procedure, there was an overall improvement in the MoCA score of the patients, but 28% of the patients showed a reliable worsening of their condition. The factors associated with MoCA worsening were platelet transfusions and the amount of red blood cell units transfused. Conclusion The correction of severe AS leads to an improvement in neurocognitive function after 2-3 months. This improvement does not differentiate between SAVR and TAVI after matching for pre-procedural factors. The only modifiable factor associated with pre-procedural neurocognitive function is anemia, and anemia correction with red blood cell transfusions is associated with a worsening of neurocognitive function. This leads to the hypothesis that anemia correction before the procedure (with iron and/or erythropoietin) may limit the risk of a post-procedural worsening of neurocognitive function.
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Affiliation(s)
- L. Ranucci
- Department of Cardiovascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, Milan, Italy
| | - L. Brischigiaro
- Department of Cardiovascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, Milan, Italy
| | - V. Mazzotta
- Department of Cardiovascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, Milan, Italy
| | - M. Anguissola
- Department of Cardiovascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, Milan, Italy
| | - L. Menicanti
- Department of Cardiac Surgery, IRCCS Policlinico San Donato, Milan, Italy
| | - F. Bedogni
- Department of Cardiology, IRCCS Policlinico San Donato, Milan, Italy
| | - M. Ranucci
- Department of Cardiovascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, Milan, Italy
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Pietrabissa G, Cammisuli DM, Scarpina F, Volpi C, Crotti L, Mauro A, Gondoni LA, Castelnuovo G. Executive Attentional Dyscontrol as a Core Cognitive and Behavioral Feature of Individuals with Obesity and Cardiovascular Disease: A Cross-Sectional Investigation. Brain Sci 2023; 13:1182. [PMID: 37626538 PMCID: PMC10452331 DOI: 10.3390/brainsci13081182] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/03/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
Executive attention as a frontal domain ability that is effective in potentially blocking distracting information, reconciling conflicts among simultaneous attentional demands, and regulating impulsive behavior may be impaired in individuals with obesity and cardiovascular disease (CVD). This study aimed (i) to explore the presence of selected cognitive (global cognitive impairment, sensitivity to interference, and attention) and psychological (quality of life, depression, anxiety, and impulsivity) dimensions and (ii) to examine the interactive relationship between attentional dyscontrol-both as a psychological and as a cognitive measure-and the above-mentioned variables in a sample of patients with CVD attending a cardiac rehabilitation program across different body mass index (BMI) levels. Clinical information of 104 patients with CVD was retrospectively collected. Participants were classified into three groups according to their BMI as follows: normal weight (NW = 30), overweight (OW = 19), and obese (OB = 55). Individuals with CVD and a higher BMI showed problems in controlling executive attention-through both neuropsychological and behavioral measures. Specifically, OB patients demonstrated reduced sensitivity to cognitive interference, lower capabilities in divided attention during visual-tracking tasks, and greater impulsivity compared to NW patients. This behavioral characteristic was also found to be correlated with higher levels of anxiety and depression and a lower quality of life. Implications for cognitive rehabilitation were discussed to offer directions for better management of patients with CVD and obesity.
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Affiliation(s)
- Giada Pietrabissa
- Department of Psychology, Catholic University of Milan, 20123 Milan, Italy; (G.P.); (G.C.)
- I.R.C.C.S. Istituto Auxologico Italiano, Clinical Psychology Research Laboratory, 20149 Milan, Italy
| | - Davide Maria Cammisuli
- Department of Psychology, Catholic University of Milan, 20123 Milan, Italy; (G.P.); (G.C.)
| | - Federica Scarpina
- I.R.C.C.S. Istituto Auxologico Italiano, Neurology and Neurorehabilitation Department, San Giuseppe Hospital, 28824 Piancavallo, VCO, Italy; (F.S.); (A.M.)
- Department of Neuroscience “Rita Levi Montalicini”, University of Turin, 10126 Turin, Italy
| | - Clarissa Volpi
- I.R.C.C.S. Istituto Auxologico Italiano, Cardiac Rehabilitation Department, San Luca Hospital, 20149 Milan, Italy; (C.V.); (L.C.)
| | - Lia Crotti
- I.R.C.C.S. Istituto Auxologico Italiano, Cardiac Rehabilitation Department, San Luca Hospital, 20149 Milan, Italy; (C.V.); (L.C.)
- Department of Medicine and Surgery, Milano Bicocca University, 20126 Milan, Italy
| | - Alessandro Mauro
- I.R.C.C.S. Istituto Auxologico Italiano, Neurology and Neurorehabilitation Department, San Giuseppe Hospital, 28824 Piancavallo, VCO, Italy; (F.S.); (A.M.)
- Department of Neuroscience “Rita Levi Montalicini”, University of Turin, 10126 Turin, Italy
| | - Luca Alessandro Gondoni
- I.R.C.C.S. Istituto Auxologico Italiano, Cardiac Rehabilitation Department, San Giuseppe Hospital, 28824 Piancavallo, VCO, Italy;
| | - Gianluca Castelnuovo
- Department of Psychology, Catholic University of Milan, 20123 Milan, Italy; (G.P.); (G.C.)
- I.R.C.C.S. Istituto Auxologico Italiano, Clinical Psychology Research Laboratory, 20149 Milan, Italy
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Krishnamurthy LC, Glassman C, Han JH, Song SE, Denmon C, Weatherill M, Rodriguez AD, Crosson BA, Krishnamurthy V. ASL MRI informs blood flow to chronic stroke lesions in patients with aphasia. Front Physiol 2023; 14:1240992. [PMID: 37546533 PMCID: PMC10397521 DOI: 10.3389/fphys.2023.1240992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 07/11/2023] [Indexed: 08/08/2023] Open
Abstract
Introduction: Response to post-stroke aphasia language rehabilitation is difficult to anticipate, mainly because few predictors can help identify optimal, individualized treatment options. Imaging techniques, such as Voxel-based Lesion Symptom Mapping have been useful in linking specific brain areas to language behavior; however, further development is required to optimize the use of structural and physiological information in guiding individualized treatment for persons with aphasia (PWA). In this study, we will determine if cerebral blood flow (CBF) mapped in patients with chronic strokes can be further used to understand stroke-related factors and behavior. Methods: We collected perfusion MRI data using pseudo-Continuous Arterial Spin Labeling (pCASL) using a single post-labeling delay of 2,200 ms in 14 chronic PWA, along with high-resolution structural MRI to compute maps of tissue damage using Tissue Integrity Gradation via T2w T1w Ratio (TIGR). To quantify the CBF in chronic stroke lesions, we tested at what point spatial smoothing should be applied in the ASL analysis pipeline. We then related CBF to tissue damage, time since stroke, age, sex, and their respective cross-terms to further understand the variability in lesion CBF. Finally, we assessed the feasibility of computing multivariate brain-behavior maps using CBF and compared them to brain-behavior maps extracted with TIGR MRI. Results: We found that the CBF in chronic stroke lesions is significantly reduced compared to its homologue grey and white matter regions. However, a reliable CBF signal (although smaller than expected) was detected to reveal a negative relationship between CBF and increasing tissue damage. Further, the relationship between the lesion CBF and age, sex, time since stroke, and tissue damage and cross-terms suggested an aging-by-disease interaction. This relationship was strongest when smoothing was applied in the template space. Finally, we show that whole-brain CBF relates to domain-general visuospatial functioning in PWA. The CBF-based brain-behavior maps provide unique and complementary information to structural (lesion-based) brain-behavior maps. Discussion: Therefore, CBF can be detected in chronic stroke lesions using a standard pCASL MRI acquisition and is informative at the whole-brain level in identifying stroke rehabilitation targets in PWAs due to its relationship with demographic factors, stroke-related factors, and behavior.
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Affiliation(s)
- Lisa C. Krishnamurthy
- Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Health Care System, Decatur, GA, United States
- Joint GSU, Georgia Tech, and Emory Center for Translational Research in Neuroimaging and Data Science (TReNDS), Atlanta, GA, United States
- Department of Physics and Astronomy, Georgia State University, Atlanta, GA, United States
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, GA, United States
| | - Clara Glassman
- Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Health Care System, Decatur, GA, United States
| | - Joo H. Han
- Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Health Care System, Decatur, GA, United States
| | - Serena E. Song
- Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Health Care System, Decatur, GA, United States
| | - Chanse Denmon
- Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Health Care System, Decatur, GA, United States
| | - Maryanne Weatherill
- Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Health Care System, Decatur, GA, United States
| | - Amy D. Rodriguez
- Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Health Care System, Decatur, GA, United States
- Department of Neurology, Emory University, Atlanta, GA, United States
| | - Bruce A. Crosson
- Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Health Care System, Decatur, GA, United States
- Department of Neurology, Emory University, Atlanta, GA, United States
| | - Venkatagiri Krishnamurthy
- Department of Neurology, Emory University, Atlanta, GA, United States
- Division of Geriatrics and Gerontology, Department of Medicine, Emory University, Atlanta, GA, United States
- Department of Veterans Affairs (VA) Health Care System, Decatur, GA, United States
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Krishnamurthy LC, Paredes Spir I, Rocha NO, Soher BJ, Auerbach EJ, Crosson BA, Krishnamurthy V. The association between language-based task-functional magnetic resonance imaging hemodynamics and baseline GABA+ and glutamate-glutamine measured in pre-supplementary motor area: A pilot study in an aging model. Front Psychiatry 2022; 13:904845. [PMID: 36046162 PMCID: PMC9421126 DOI: 10.3389/fpsyt.2022.904845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Accepted: 07/28/2022] [Indexed: 11/13/2022] Open
Abstract
Aging is a natural phenomenon that elicits slow and progressive cerebrovascular and neurophysiological changes that eventually lead to cognitive decline. The objective of this pilot study is to examine the association of GABA+ and glutamate-glutamine (Glx) complex with language-based blood oxygen level dependent (BOLD) hemodynamics in an aging model. More specifically, using standard BOLD we will first attempt to validate whether previously reported findings for BOLD amplitude and resting neurochemical relationships hold in an aging model. Secondly, we will investigate how our recently established neurosensitized task-BOLD energetics relate to resting GABA+ and Glx, especially accounting for titration of task difficulty. To support the above endeavors, we optimize the baseline fitting for edited magnetic resonance spectroscopy (MRS) difference spectra to sensitize GABA+ and Glx concentrations to aging-related differences. We identify a spline-knot spacing of 0.6ppm to yield the optimal aging-related differences in GABA+ and Glx. The optimized MRS values were then graduated to relate to task-BOLD hemodynamics. Our results did not replicate previous findings that relate task-BOLD amplitude and resting GABA+ and Glx. However, we did identify neurochemistry relationships with the vascularly-driven dispersion component of the hemodynamic response function, specifically in older participants. In terms of neuro-sensitized BOLD energetics and the underlying role of GABA+ and Glx, our data suggests that the task demands are supported by both neurometabolites depending on the difficulty of the task stimuli. Another novelty is that we developed task-based functional parcellation of pre-SMA using both groups. In sum, we are the first to demonstrate that multimodal task-fMRI and MRS studies are beneficial to improve our understanding of the aging brain physiology, and to set the platform to better inform approaches for clinical care in aging-related neurovascular diseases. We also urge future studies to replicate our findings in a larger population incorporating a lifespan framework.
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Affiliation(s)
- Lisa C Krishnamurthy
- Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Healthcare System, Decatur, GA, United States.,Department of Physics & Astronomy, Georgia State University, Atlanta, GA, United States.,Department of Radiology and Imaging Sciences, Emory University, Atlanta, GA, United States
| | - Isabella Paredes Spir
- Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Healthcare System, Decatur, GA, United States
| | - Natalie O Rocha
- Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Healthcare System, Decatur, GA, United States.,Department of Biology, Georgia State University, Atlanta, GA, United States
| | - Brian J Soher
- Center for Advanced MR Development, Department of Radiology, Duke University, Durham, NC, United States.,Brain Imaging and Analysis Center, Duke University, Durham, NC, United States
| | - Edward J Auerbach
- Department of Radiology, University of Minnesota, Minneapolis, MN, United States.,Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, United States
| | - Bruce A Crosson
- Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Healthcare System, Decatur, GA, United States.,Department of Psychology, Georgia State University, Atlanta, GA, United States.,Department of Neurology, Emory University, Atlanta, GA, United States
| | - Venkatagiri Krishnamurthy
- Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Healthcare System, Decatur, GA, United States.,Department of Neurology, Emory University, Atlanta, GA, United States.,Division of Geriatrics and Gerontology, Department of Medicine, Emory University, Atlanta, GA, United States
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