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Xi J, Si XA, Malvè M. Nasal anatomy and sniffing in respiration and olfaction of wild and domestic animals. Front Vet Sci 2023; 10:1172140. [PMID: 37520001 PMCID: PMC10375297 DOI: 10.3389/fvets.2023.1172140] [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: 02/23/2023] [Accepted: 06/29/2023] [Indexed: 08/01/2023] Open
Abstract
Animals have been widely utilized as surrogate models for humans in exposure testing, infectious disease experiments, and immunology studies. However, respiratory diseases affect both humans and animals. These disorders can spontaneously affect wild and domestic animals, impacting their quality and quantity of life. The origin of such responses can primarily be traced back to the pathogens deposited in the respiratory tract. There is a lack of understanding of the transport and deposition of respirable particulate matter (bio-aerosols or viruses) in either wild or domestic animals. Moreover, local dosimetry is more relevant than the total or regionally averaged doses in assessing exposure risks or therapeutic outcomes. An accurate prediction of the total and local dosimetry is the crucial first step to quantifying the dose-response relationship, which in turn necessitates detailed knowledge of animals' respiratory tract and flow/aerosol dynamics within it. In this review, we examined the nasal anatomy and physiology (i.e., structure-function relationship) of different animals, including the dog, rat, rabbit, deer, rhombus monkey, cat, and other domestic and wild animals. Special attention was paid to the similarities and differences in the vestibular, respiratory, and olfactory regions among different species. The ventilation airflow and behaviors of inhaled aerosols were described as pertinent to the animals' mechanisms for ventilation modulation and olfaction enhancement. In particular, sniffing, a breathing maneuver that animals often practice enhancing olfaction, was examined in detail in different animals. Animal models used in COVID-19 research were discussed. The advances and challenges of using numerical modeling in place of animal studies were discussed. The application of this technique in animals is relevant for bidirectional improvements in animal and human health.
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Affiliation(s)
- Jinxiang Xi
- Department of Biomedical Engineering, University of Massachusetts, Lowell, MA, United States
| | - Xiuhua April Si
- Department of Mechanical Engineering, California Baptist University, Riverside, CA, United States
| | - Mauro Malvè
- Department of Engineering, Public University of Navarre, Pamplona, Spain
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
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Gao S, Zhang Y, Peng R, Yan S, Teng Y, Qi J, Cheng G, Yu D, Liu G, Xu Q, Cai X, Zhou Z, Ji B. Hemostatic alterations during extracorporeal membrane oxygenation in ovine veno-venous and veno-arterial models. Artif Organs 2023; 47:526-536. [PMID: 36310416 DOI: 10.1111/aor.14437] [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: 04/12/2022] [Revised: 08/10/2022] [Accepted: 10/11/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND Extracorporeal membrane oxygenation (ECMO) has salvaged many people's life during global pandemics. However, ECMO is associated with a high incidence of hemostatic complications. This study aims to explore the effects of the ECMO system on the coagulation system in the healthy ovine ECMO model. METHODS Ten healthy male sheep were included. Five received the veno-arterial ECMO and five received the veno-venous ECMO. Heparin was infused for systemic anticoagulation and was adjusted according to the activated clotting time. Blood routine tests, coagulation factors, anticoagulation proteins, and fibrinolysis markers were tested at the baseline and every 24 h. After weaning, the pump heads were dissected to explore thrombosis. RESULTS Platelets decreased in the first 72 h and returned to the baseline at the 120th hour. The neutrophils increased in the first 24 h and returned to the baseline at the 48th hour. Factors II, VII, and X decreased in the first 24 h and gradually increased, while factors VIII, IX, XI, and XII decreased in the first 24 h and remained at a low level. The baseline antithrombin was 73.2 ± 14.4% and reduced to 42.6 ± 9.9% at the 168th hour. Pathology showed seven sheep developed thrombus, but no clinically relevant bleeding or thrombosis events occurred. CONCLUSIONS The study explored hemostatic alterations during ECMO in healthy animal models, which eliminated the confounding under critically ill conditions. The study may provide insights into ECMO hemostatic disorders and aid the design of optimal therapeutic strategies.
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Affiliation(s)
- Sizhe Gao
- Department of Cardiopulmonary Bypass, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences & Peking Union Medical College Fuwai Hospital, Beijing, China
| | - Yang Zhang
- Department of Laboratory Medicine, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences & Peking Union Medical College Fuwai Hospital, Beijing, China
| | - Rui Peng
- Department of Laboratory Medicine, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences & Peking Union Medical College Fuwai Hospital, Beijing, China.,Center of Clinical Laboratory, Capital Medical University Affiliated Beijing Friendship Hospital, Beijing, China
| | - Shujie Yan
- Department of Cardiopulmonary Bypass, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences & Peking Union Medical College Fuwai Hospital, Beijing, China
| | - Yuan Teng
- Department of Cardiopulmonary Bypass, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences & Peking Union Medical College Fuwai Hospital, Beijing, China
| | - Jiachen Qi
- Department of Cardiopulmonary Bypass, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences & Peking Union Medical College Fuwai Hospital, Beijing, China
| | - Gaowa Cheng
- Department of Laboratory Medicine, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences & Peking Union Medical College Fuwai Hospital, Beijing, China
| | - Dongze Yu
- Department of Laboratory Medicine, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences & Peking Union Medical College Fuwai Hospital, Beijing, China
| | - Gang Liu
- Department of Cardiopulmonary Bypass, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences & Peking Union Medical College Fuwai Hospital, Beijing, China
| | - Qiang Xu
- Department of Laboratory Medicine, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences & Peking Union Medical College Fuwai Hospital, Beijing, China
| | - Xiaohui Cai
- Department of Laboratory Medicine, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences & Peking Union Medical College Fuwai Hospital, Beijing, China
| | - Zhou Zhou
- Department of Laboratory Medicine, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences & Peking Union Medical College Fuwai Hospital, Beijing, China
| | - Bingyang Ji
- Department of Cardiopulmonary Bypass, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences & Peking Union Medical College Fuwai Hospital, Beijing, China
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Andrei S, Nguyen M, Berthoud V, Durand B, Duclos V, Morgant MC, Bouchot O, Bouhemad B, Guinot PG. Determinants of Arterial Pressure of Oxygen and Carbon Dioxide in Patients Supported by Veno-Arterial ECMO. J Clin Med 2022; 11:jcm11175228. [PMID: 36079158 PMCID: PMC9457238 DOI: 10.3390/jcm11175228] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 08/28/2022] [Accepted: 09/01/2022] [Indexed: 12/14/2022] Open
Abstract
Background: The present study aimed to assess the determinants of arterial partial pressure of oxygen (PaO2) and carbon dioxide (PaCO2) in the early phase of veno-arterial extracorporeal membrane oxygenation (VA ECMO) support. Even though the guidelines considered both the risks of hypoxemia and hyperoxemia during ECMO support, there are a lack of data concerning the patients supported by VA ECMO. Methods: This is a retrospective, monocentric, observational cohort study in a university-affiliated cardiac intensive care unit. Hemodynamic parameters, ECMO parameters, ventilator settings, and blood gas analyses were collected at several time points during the first 48 h of VA ECMO support. For each timepoint, the blood samples were drawn simultaneously from the right radial artery catheter, VA ECMO venous line (before the oxygenator), and from VA ECMO arterial line (after the oxygenator). Univariate followed by multivariate mixed-model analyses were performed for longitudinal data analyses. Results: Forty-five patients with femoro-femoral peripheral VA ECMO were included. In multivariate analysis, the patients' PaO2 was independently associated with QEC, FDO2, and time of measurement. The patients' PaCO2 was associated with the sweep rate flow and the PpreCO2. Conclusions: During acute VA ECMO support, the main determinants of patient oxygenation are determined by VA ECMO parameters.
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Affiliation(s)
- Stefan Andrei
- Department of Anaesthesiology and Critical Care Medicine, Dijon University Medical Centre, F-21000 Dijon, France
- Department of Anaesthesiology and Critical Care Medicine, University of Medicine and Pharmacy “Carol Davila”, 020021 Bucharest, Romania
- Correspondence: ; Tel.: +33-38-029-3031
| | - Maxime Nguyen
- Department of Anaesthesiology and Critical Care Medicine, Dijon University Medical Centre, F-21000 Dijon, France
- LNC UMR1231, University of Burgundy and Franche-Comté, F-21000 Dijon, France
| | - Vivien Berthoud
- Department of Anaesthesiology and Critical Care Medicine, Dijon University Medical Centre, F-21000 Dijon, France
| | - Bastian Durand
- Department of Anaesthesiology and Critical Care Medicine, Dijon University Medical Centre, F-21000 Dijon, France
| | - Valerian Duclos
- Department of Anaesthesiology and Critical Care Medicine, Dijon University Medical Centre, F-21000 Dijon, France
| | | | - Olivier Bouchot
- Cardiac Surgery Department, Dijon University Hospital, F-21000 Dijon, France
| | - Belaid Bouhemad
- Department of Anaesthesiology and Critical Care Medicine, Dijon University Medical Centre, F-21000 Dijon, France
- LNC UMR1231, University of Burgundy and Franche-Comté, F-21000 Dijon, France
| | - Pierre-Grégoire Guinot
- Department of Anaesthesiology and Critical Care Medicine, Dijon University Medical Centre, F-21000 Dijon, France
- LNC UMR1231, University of Burgundy and Franche-Comté, F-21000 Dijon, France
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