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Pistone J, Heatley J, Campbell T, Voelker G. Assessing Passeriformes health in South Texas via select venous analytes. Comp Biochem Physiol B Biochem Mol Biol 2017. [DOI: 10.1016/j.cbpb.2017.06.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Point-of-care blood gases and critical care blood chemistry and haematology reference values in captive gyr falcons (Falco rusticolus). ACTA ACUST UNITED AC 2016. [DOI: 10.1007/s00580-016-2294-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Raghav R, Middleton R, BSc RA, Arjunan R, Caliendo V. Analysis of Arterial and Venous Blood Gases in Healthy Gyr Falcons (Falco rusticolus) Under Anesthesia. J Avian Med Surg 2015; 29:290-7. [DOI: 10.1647/2014-042] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Abstract
An approximately 6-mo-old female bald eagle (Haliaeetus leucocephalus) was presented for an inability to fly and bilateral drooped wings. Pectoral muscle atrophy with a moderate polycythemia was present. Over the course of 3 wk, there were no improvements in flight capacity, although the bird gained substantial weight. Further investigation revealed a prominent cyanosis that was responsive to oxygen therapy, a chronic respiratory acidosis with hypoxia, a cardiac murmur, and a persistent polycythemia. No obvious antemortem etiology for the clinical findings was discovered on computerized tomography, angiography, or echocardiography. The bird was euthanatized as a result of the poor prognosis. Necropsy and histopathology revealed no significant cardiovascular or pulmonary pathology. No myopathy was evident on electron microscopy of formalin-fixed tissues. Based on these diagnostics, a neuromuscular disorder is suspected as the cause for the blood gas abnormalities, with a resulting polycythemia from the hypoxia.
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Comparison of two analyzers to determine selected venous blood analytes of Quaker parrots (Myiopsitta monachus). J Zoo Wildl Med 2014; 45:256-62. [PMID: 25000685 DOI: 10.1638/2013-0046r3.1] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Point of care devices can assess electrolyte, blood gas, biochemical, and hematologic values in a critical care setting. Although these devices are commonly used in humans and companion mammals, few studies have assessed their use in avian species. This study compares electrolyte, hemoglobin (Hgb), hematocrit (Hct), acid-base, and venous blood gas parameters between the i-STAT and IRMA TruPoint blood gas analysis systems for 35 Quaker parrots. Agreement between the two analyzers and the effect of gender, time lag between sample analysis, and cartridge expiration were evaluated. Male birds had increased Hgb and Hct compared with females, independent of analyzer method. In expired i-STAT cartridges, only glucose significantly increased. Packed cell volume determined by centrifugation was higher than Hct, as calculated by either analyzer. The analyzers had good agreement for total carbon dioxide, bicarbonate, pH, and Hgb, fair agreement for potassium (K), ionized calcium (iCa), venous partial pressure of carbon dioxide, and base excess, and poor agreement for sodium (Na), venous partial pressure of oxygen (PO2), and oxygen saturation (SO2). Values for Na, iCa, PO2, and SO2 were significantly higher on the IRMA than the i-STAT, while K was significantly lower on the IRMA when compared with the i-STAT. The time lag between sample analyses on the i-STAT and IRMA did not be correlate to any analyte changes. Despite these differences, both the i-STAT and the IRMA appear to be acceptable clinical tools in avian critical care, although reference ranges for each analyzer should be created.
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Silva CRB, Putarov TC, Fruhvald E, Destro FC, Marques Filho WC, Thomazini CM, Barbosa TS, Orsi RO, Siqueira ER. Action of Brazilian propolis on hematological and serum biochemical parameters of Blue-fronted Amazons (Amazona aestiva, Linnaeus, 1758) in captivity. Poult Sci 2014; 93:1688-94. [PMID: 24864289 DOI: 10.3382/ps.2013-03738] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The present study aimed to evaluate the effect of propolis use on hematological and serum biochemical parameters in Blue-fronted Amazons (Amazona aestiva). For this, 12 adult birds were distributed randomly into individual cages, divided into treatments with different propolis levels (A = 0.0%; B = 0.5%; and C = 1.0%), in 3 distinct phases (I, II, and III), with 15-d duration for phases I and III and 30 d for phase II, totaling 60 d. In phases I and III, all birds received treatment A ration, and in phase II received A, B, or C (4 birds per treatment). At the end of each phase, blood was collected for biochemical and hematological evaluations. The variables were analyzed by ANOVA (P < 0.05). Results suggest that 0.5% propolis reduced lactate dehydrogenase levels, whereas treatment B augmented hemoglobin concentrations and eosinophil count. It is concluded that 0.5% propolis improves levels of lactate dehydrogenase, hemoglobin, and eosinophils.
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Affiliation(s)
| | | | | | - Flavia C Destro
- Programa de Pós-Graduação em Biotecnologia Animal, Faculdade de Medicina Veterinária e Zootecnia, Univ Estadual Paulista (UNESP), Botucatu, São Paulo, Brazil 18.618-970
| | | | | | - Tatiana S Barbosa
- Professor of Clinical Pathology, Universidade de Marília (UNIMAR), São Paulo, Brazil 17.525-902
| | - Ricardo O Orsi
- Departamento de Produção Animal, Faculdade de Medicina Veterinária e Zootecnia, Univ Estadual Paulista (UNESP), Botucatu, São Paulo, Brazil 18.618-970
| | - Edson R Siqueira
- Departamento de Produção Animal, Faculdade de Medicina Veterinária e Zootecnia, Univ Estadual Paulista (UNESP), Botucatu, São Paulo, Brazil 18.618-970
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Schnellbacher R, da Cunha A, Olson EE, Mayer J. Arterial Catheterization, Interpretation, and Treatment of Arterial Blood Pressures and Blood Gases in Birds. J Exot Pet Med 2014. [DOI: 10.1053/j.jepm.2014.02.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Harter TS, Shartau RB, Brauner CJ, Farrell AP. Validation of the i-STAT system for the analysis of blood parameters in fish. CONSERVATION PHYSIOLOGY 2014; 2:cou037. [PMID: 27293658 PMCID: PMC4732487 DOI: 10.1093/conphys/cou037] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2014] [Revised: 07/18/2014] [Accepted: 07/22/2014] [Indexed: 05/20/2023]
Abstract
Portable clinical analysers, such as the i-STAT system, are increasingly being used for blood analysis in animal ecology and physiology because of their portability and easy operation. Although originally conceived for clinical application and to replace robust but lengthy techniques, researchers have extended the use of the i-STAT system outside of humans and even to poikilothermic fish, with only limited validation. The present study analysed a range of blood parameters [pH, haematocrit (Hct), haemoglobin (Hb), HCO3 (-), partial pressure of CO2 (PCO2), partial pressure of O2 (PO2), Hb saturation (sO2) and Na(+) concentration] in a model teleost fish (rainbow trout, Oncorhynchus mykiss) using the i-STAT system (CG8+ cartridges) and established laboratory techniques. This methodological comparison was performed at two temperatures (10 and 20°C), two haematocrits (low and high) and three PCO2 levels (0.5, 1.0 and 1.5%). Our results indicate that pH was measured accurately with the i-STAT system over a physiological pH range and using the i-STAT temperature correction. Haematocrit was consistently underestimated by the i-STAT, while the measurements of Na(+), PCO2, HCO3 (-) and PO2 were variably inaccurate over the range of values typically found in fish. The algorithm that the i-STAT uses to calculate sO2 did not yield meaningful results on rainbow trout blood. Application of conversion factors to correct i-STAT measurements is not recommended, due to significant effects of temperature, Hct and PCO2 on the measurement errors and complex interactions may exist. In conclusion, the i-STAT system can easily generate fast results from rainbow trout whole blood, but many are inaccurate values.
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Affiliation(s)
- T. S. Harter
- Corresponding author: Department of Zoology, University of British Columbia, 6270 University Boulevard, Vancouver, BC, Canada V6T 1Z4. Tel: +1 604 822 3378.
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Stoot LJ, Cairns NA, Cull F, Taylor JJ, Jeffrey JD, Morin F, Mandelman JW, Clark TD, Cooke SJ. Use of portable blood physiology point-of-care devices for basic and applied research on vertebrates: a review. CONSERVATION PHYSIOLOGY 2014; 2:cou011. [PMID: 27293632 PMCID: PMC4806731 DOI: 10.1093/conphys/cou011] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2013] [Revised: 02/25/2014] [Accepted: 03/03/2014] [Indexed: 05/03/2023]
Abstract
Non-human vertebrate blood is commonly collected and assayed for a variety of applications, including veterinary diagnostics and physiological research. Small, often non-lethal samples enable the assessment and monitoring of the physiological state and health of the individual. Traditionally, studies that rely on blood physiology have focused on captive animals or, in studies conducted in remote settings, have required the preservation and transport of samples for later analysis. In either situation, large, laboratory-bound equipment and traditional assays and analytical protocols are required. The use of point-of-care (POC) devices to measure various secondary blood physiological parameters, such as metabolites, blood gases and ions, has become increasingly popular recently, due to immediate results and their portability, which allows the freedom to study organisms in the wild. Here, we review the current uses of POC devices and their applicability to basic and applied studies on a variety of non-domesticated species. We located 79 individual studies that focused on non-domesticated vertebrates, including validation and application of POC tools. Studies focused on a wide spectrum of taxa, including mammals, birds and herptiles, although the majority of studies focused on fish, and typical variables measured included blood glucose, lactate and pH. We found that calibrations for species-specific blood physiology values are necessary, because ranges can vary within and among taxa and are sometimes outside the measurable range of the devices. In addition, although POC devices are portable and robust, most require durable cases, they are seldom waterproof/water-resistant, and factors such as humidity and temperature can affect the performance of the device. Overall, most studies concluded that POC devices are suitable alternatives to traditional laboratory devices and eliminate the need for transport of samples; however, there is a need for greater emphasis on rigorous calibration and validation of these units and appreciation of their limitations.
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Affiliation(s)
- Lauren J. Stoot
- Fish Ecology and Conservation Physiology Laboratory, Department of Biology, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario, Canada K1S 5B6
- Corresponding author: Fish Ecology and Conservation Physiology Laboratory, Department of Biology, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario, Canada K1S 5B6. Tel: +1 613 520 2600.
| | - Nicholas A. Cairns
- Fish Ecology and Conservation Physiology Laboratory, Department of Biology, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario, Canada K1S 5B6
| | - Felicia Cull
- Fish Ecology and Conservation Physiology Laboratory, Department of Biology, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario, Canada K1S 5B6
| | - Jessica J. Taylor
- Fish Ecology and Conservation Physiology Laboratory, Department of Biology, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario, Canada K1S 5B6
| | - Jennifer D. Jeffrey
- Department of Biology, University of Ottawa, 30 Marie Curie, Ottawa, Ontario, Canada K1N 6N5
| | - Félix Morin
- Department of Biology, University of Ottawa, 30 Marie Curie, Ottawa, Ontario, Canada K1N 6N5
| | - John W. Mandelman
- John H. Prescott Marine Laboratory, New England Aquarium, Central Wharf, Boston, MA 02110-3399, USA
| | - Timothy D. Clark
- Australian Institute of Marine Science, PMB 3, Townsville MC, Townsville 4810, Queensland, Australia
| | - Steven J. Cooke
- Fish Ecology and Conservation Physiology Laboratory, Department of Biology, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario, Canada K1S 5B6
- Institute of Environmental Science, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario, Canada K1S 5B6
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Paula VV, Otsuki DA, Auler JOC, Nunes TL, Ambrósio AM, Fantoni DT. The effect of premedication with ketamine, alone or with diazepam, on anaesthesia with sevoflurane in parrots (Amazona aestiva). BMC Vet Res 2013; 9:142. [PMID: 23867018 PMCID: PMC3724746 DOI: 10.1186/1746-6148-9-142] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Accepted: 07/12/2013] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Premedication is rarely used in avian species. The aim of this study was to evaluate the effect of premedication on the quality of sevoflurane induction and anaesthesia in parrots. We hypothesised that premedication would facilitate handling and decrease the minimum anaesthetic dose (MAD). Thirty-six adult parrots were randomly distributed in three groups: group S (n = 12) was premedicated with NaCl 0.9%; group KS (n = 12) was premedicated with 10 mg.kg-1 ketamine; and group KDS (n = 12) was premedicated with 10 mg.kg-1 ketamine and 0.5 mg.kg-1 diazepam, delivered intramuscularly. After induction using 4.5% sevoflurane introduced through a facemask, the MAD was determined for each animal. The heart rate (HR), respiratory rate (RR), systolic arterial blood pressure (SAP), and cloacal temperature (CT) were recorded before premedication (T0), 15 minutes after premedication (T1), and after MAD determination (T2). Arterial blood gas analyses were performed at T0 and T2. The quality of anaesthesia was evaluated using subjective scales based on animal behaviour and handling during induction, maintenance, and recovery. Statistical analyses were performed using analysis of variance or Kruskal-Wallis tests followed by Tukey's or Dunn's tests. RESULTS The minimal anaesthetic doses obtained were 2.4 ± 0.37%, 1.7 ± 0.39%, and 1.3 ± 0.32% for groups S, KS, and KDS, respectively. There were no differences in HR, RR, or CT among groups, but SAP was significantly lower in group S. Sedation was observed in both the premedicated S-KS and S-KDS groups. There were no differences in the quality of intubation and recovery from anaesthesia among the three groups, although the induction time was significantly shorter in the pre-medicated groups, and the KS group showed less muscle relaxation. CONCLUSIONS Ketamine alone or the ketamine/diazepam combination decreased the MAD of sevoflurane in parrots (Amazona aestiva). Ketamine alone or in combination with diazepam promoted a good quality of sedation, which improved handling and reduced the stress of the birds. All protocols provided safe anaesthesia in this avian species.
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Affiliation(s)
- Valéria Veras Paula
- Department of Animal Science, Universidade Federal Rural do Semi-Árido, Av. Francisco Mota, 572, Bairro Costa e Silva, CEP: 59.625-900, Mossoró, RN, Brazil
| | - Denise Aya Otsuki
- Laboratory of Medical Investigation/Anesthesiology (LIM/08), Faculdade de Medicina da Universidade de São Paulo, Av. Dr. Arnaldo, 455, Cerqueira César, CEP 01246903, São Paulo, SP, Brazil
| | - José Otávio Costa Auler
- Laboratory of Medical Investigation/Anesthesiology (LIM/08), Faculdade de Medicina da Universidade de São Paulo, Av. Dr. Arnaldo, 455, Cerqueira César, CEP 01246903, São Paulo, SP, Brazil
| | - Talyta Lins Nunes
- Department of Animal Science, Universidade Federal Rural do Semi-Árido, Av. Francisco Mota, 572, Bairro Costa e Silva, CEP: 59.625-900, Mossoró, RN, Brazil
| | - Aline Magalhães Ambrósio
- Department of Surgery, Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87 CEP 05508 270, Cidade Universitária, São Paulo, SP, Brazil
| | - Denise Tabacchi Fantoni
- Department of Surgery, Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87 CEP 05508 270, Cidade Universitária, São Paulo, SP, Brazil
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Montesinos A, Ardiaca M. Acid-base status in the avian patient using a portable point-of-care analyzer. Vet Clin North Am Exot Anim Pract 2012; 16:47-69. [PMID: 23347539 DOI: 10.1016/j.cvex.2012.10.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The i-STAT PCA can be used as a blood analyzer in critical avian patients, although single values must be interpreted carefully. The study of the acid-base status in companion birds is still in its infancy. Further research is needed to establish normal reference values in arterial blood gases, compare them with venous blood gas, and to determine if the formulas that deviate from small animal medicine are or are not applicable.
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Affiliation(s)
- Andrés Montesinos
- Centro Veterinario Los Sauces, Santa Engracia 63, 28010 Madrid, Spain.
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