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Peña LW, Flatland B, Behrend EN, Arzón-Pereira A, Cole JE, Raz ML. Impact on result interpretation of correct and incorrect selection of veterinary glucometer canine and feline settings. J Vet Diagn Invest 2023; 35:710-720. [PMID: 37608786 PMCID: PMC10621561 DOI: 10.1177/10406387231195386] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/24/2023] Open
Abstract
Veterinary glucometers should be correctly coded for the patient species; however, coding errors occur in clinical settings and the impact of such errors has not been characterized. We compared glucose concentrations in 127 canine and 37 feline samples using both canine and feline settings on a veterinary glucometer (AlphaTrak; Zoetis). All samples were measured first on the canine setting and then measured using the feline setting. Glucose concentration was also measured using a central laboratory biochemical analyzer (Cobas c311; Roche). Three data comparisons for each species were investigated: incorrectly coded glucometer vs. correctly coded glucometer, correctly coded glucometer vs. Cobas c311, and incorrectly coded glucometer vs. Cobas c311. For each comparison, the following analyses were conducted: Spearman rank correlation coefficient, Bland-Altman difference plot analysis, mountain plot analysis, and Deming regression. For clinical context, Clarke error grids were constructed. There was high positive correlation for all comparisons with both species. For all comparisons, mean difference was low (-0.7 to 0.5 mmol/L for canine samples, 1.0-2.0 mmol/L for feline samples). Incorrect glucometer coding resulted in proportional bias for canine samples and positive constant bias for feline samples, and individual differences could be large (-4.44 mmol/L for one dog, 6.16 mmol/L for one cat). Although the glucometer should be used per the manufacturer's recommendation, coding errors are unlikely to have severe adverse clinical consequences for most patients based on error grid analysis.
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Affiliation(s)
- Lydia W. Peña
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL, USA
| | - Bente Flatland
- Department of Biomedical and Diagnostic Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN, USA
| | | | | | - Janeva E. Cole
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL, USA
| | - Maggie L. Raz
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL, USA
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2
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dos Santos MAB, Vargas AM, Rosato PN, Andrade CG, Martins CM, Petri G. Evaluation of Three Human-Use Glucometers for Blood Glucose Measurement in Dogs. Vet Med Int 2022; 2022:9112961. [PMID: 36465855 PMCID: PMC9715321 DOI: 10.1155/2022/9112961] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 10/25/2022] [Accepted: 10/28/2022] [Indexed: 03/26/2024] Open
Abstract
BACKGROUND Glucometers or portable sensors are used to quickly measure blood glucose at low cost. They are used in veterinary practice and by guardians to monitor diseases that require, as in diabetes mellitus. However, not all commercially available glucometers (human and veterinary) are suitable for this purpose. Hypotheses/Objectives. The objective was to evaluate the analytical and clinical precision of three human-use portable glucometers. Animals. This study evaluated 115 samples in three glycemic ranges (hypoglycemia, normoglycemia, and hyperglycemia) from 82 dogs recruited from veterinary services. METHODS The portable glucometers are the FreeStyle Freedom Lite®, FreeStyle Optium Neo®, and On Call Plus® models. Glucometer results were compared with the enzymatic colorimetric glucose oxidase laboratory reference method. Using descriptive and comparative statistical analysis, there were correlations between these devices and the standard method, ISO 15197 : 2003 and ISO 15197 : 2013 standards, and error grid analysis. RESULTS Only the Freedom Lite® device observed a statistical difference when compared with the reference method. Despite the underestimated glucose concentrations assessed with humane devices, all three tested herein showed a positive coefficient. However, none of these achieved all ISO guidelines. Conclusion and Clinical Importance. Although there was wide use of portable humane devices for dog glucose measurements on routine, the results are generally inferior when compared to the reference method. The FreeStyle Optium Neo® glucometer obtained the best result and is therefore the best option among the glucometers evaluated; however, for the first attendance on veterinary routine, all three glucometers had a satisfactory glucose measurement until the reference method availability.
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Affiliation(s)
| | | | - Paula Nunes Rosato
- Anclivet Veterinary Laboratory Goias Street, 118, Gonzaga 11050-100, Santos, Sao Paulo, Brazil
| | - Carolina Gomes Andrade
- São Judas Tadeu University Comendador Martins Street, 52, Vila Matias, 11015-530, Santos, Sao Paulo, Brazil
| | - Camila Marinelli Martins
- AAC&T Research Consulting LTDA Domingas Vigo Zaninelli Street, Boa Vista 82540-096, Curitiba, Parana, Brazil
| | - Giuliana Petri
- Metropolitan University of Santos (UNIMES)-Prefeito Antônio Manoel de Carvalho Avenue, 3935 Morro Nova Cintra 11080-100, Santos, Sao Paulo, Brazil
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Proulx MP, Vergneau-Grosset C, Hébert J, Bédard C, Maccolini É. Comparison of a handheld point-of-care analyzer with a benchtop point-of-care chemistry analyzer for measurement of blood glucose concentration in client-owned ferrets (Mustela putorius furo). J Exot Pet Med 2022. [DOI: 10.1053/j.jepm.2022.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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4
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Clinical Use of a 180-Day Implantable Glucose Monitoring System in Dogs with Diabetes Mellitus: A Case Series. Animals (Basel) 2022; 12:ani12070860. [PMID: 35405848 PMCID: PMC8996934 DOI: 10.3390/ani12070860] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 03/24/2022] [Accepted: 03/28/2022] [Indexed: 12/10/2022] Open
Abstract
Simple Summary A novel continuous glucose monitoring system (CGMS) equipped with a long-term sensor has recently been developed for humans with diabetes mellitus. The sensor is inserted under the skin and continuously measures the glucose in the interstitial fluid over a period of up to 180 days. The aim of this study was to describe, for the first time, the clinical use of this novel CGMS in three diabetic dogs (DD). The insertion and use of the device were straightforward and well tolerated by the dogs. Some device-related issues, such as sensor dislocation and trouble with daily calibrations, were reported. A good correlation between the glucose values measured by this CGMS and those obtained with a flash glucose monitoring system and a portable-blood glucose meter, previously validated for use in DD, was found (rs = 0.85 and rs = 0.81, respectively). The functional life of the sensor was 180 days in two of the three dogs, and the use of the device provided high satisfaction to the owners. This innovative device might be considered a future alternative for continuous glucose monitoring in dogs with diabetes mellitus. Abstract The novel Eversense XL continuous glucose monitoring system (Senseonics, Inc., Germantown, Maryland) has recently been developed for monitoring diabetes in humans. The sensor is fully implanted and has a functional life of up to 180 days. The present study describes the use of Eversense XL in three diabetic dogs (DD) with good glycemic control managed by motivated owners. The insertion and use of the device were straightforward and well tolerated by the dogs. During the wearing period, some device-related drawbacks, such as sensor dislocation and daily calibrations, were reported. A good correlation between the glucose values measured by the Eversense XL and those obtained with two commercially available devices, previously validated for use in DD, was found (rs = 0.85 and rs = 0.81, respectively). The life of the sensor was 180 days in two of the DD and provided high satisfaction. This innovative device might be considered a future alternative for home glucose monitoring in DD.
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5
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Wolfenden G, James FE, Hung LHT, Bruce M, Thompson M. Comparative accuracy of two veterinary‐calibrated point‐of‐care glucometres for measurement of blood glucose concentration in dogs. J Small Anim Pract 2022; 63:512-519. [DOI: 10.1111/jsap.13491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 01/23/2022] [Accepted: 02/05/2022] [Indexed: 11/27/2022]
Affiliation(s)
| | | | | | - M. Bruce
- School of Veterinary Medicine and Centre for Biosecurity and One Health Murdoch University Murdoch 6150 Australia
| | - M. Thompson
- Sydney School of Veterinary Science The University of Sydney Camperdown 2050 Australia
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6
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Howard LA, Lidbury JA, Jeffery N, Washburn SE, Patterson CA. Evaluation of a flash glucose monitoring system in nondiabetic dogs with rapidly changing blood glucose concentrations. J Vet Intern Med 2021; 35:2628-2635. [PMID: 34599607 PMCID: PMC8692193 DOI: 10.1111/jvim.16273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 01/17/2023] Open
Abstract
Background A flash glucose monitoring system (FGMS; FreeStyle Libre) is useful for monitoring hypoglycemic dogs with diabetes. Objective To assess the utility of this FGMS in dogs with induced hypoglycemia and rapid fluctuations in blood glucose (BG) concentrations. Animals Twenty‐four apparently healthy research (n = 10) and teaching (n = 14) dogs. Methods Prospective, observational study performed in tandem with a teaching laboratory. Regular insulin was administered to dogs and resulting hypoglycemia was corrected. Before insulin administration and every 10 minutes over a 90‐minute period, serial measurements of interstitial glucose (IG) with FGMS and BG with a portable blood glucose meter (PBGM) and clinical chemistry analyzer concentrations were made. Portable blood glucose meter and FGMS readings were compared to that of the clinical chemistry analyzer. Analytical and clinical accuracy were assessed using ISO 15197:2013 criteria, including Parkes error grid analysis. Results The proportions of readings in the low BG range (BG <100 mg/dL) for which the test method measurement was within ±15 mg/dL of the reference BG for the PBGM and FGMS were 81.7% (161/197) and 39.1% (72/184), respectively. The proportions of readings for the PBGM and FGMS, which were not likely to affect clinical outcome according to Parkes error grid analysis, were 97.9% (233/238) and 80.1% (177/221), respectively. Conclusions and Clinical Importance In this model, there was limited agreement between the FGMS and reference standard BG measurements. The FGMS (measuring IG concentrations) was compared to peripheral BG concentrations, not brain‐tissue glucose concentrations, and failed to reliably detect hypoglycemia.
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Affiliation(s)
- Leigh A Howard
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, USA
| | - Jonathan A Lidbury
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, USA
| | - Nicholas Jeffery
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, USA
| | - Shannon E Washburn
- Department of Veterinary Physiology and Pharmacology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, USA
| | - Carly A Patterson
- Department of Veterinary Physiology and Pharmacology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, USA
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7
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Suchowersky ND, Carlson EA, Lee HP, Behrend EN. Comparison of glucose concentrations in canine whole blood, plasma, and serum measured with a veterinary point-of-care glucometer. J Vet Diagn Invest 2021; 33:695-702. [PMID: 34075827 DOI: 10.1177/10406387211019755] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Previous studies have determined that, compared to whole blood, serum or plasma used in a portable blood glucometer (PBG) may provide more accurate results. We investigated the accuracy of a veterinary PBG (AlphaTRAK 2; Zoetis) for the measurement of glucose concentrations in serum, plasma, and whole blood compared to plasma glucose concentration measured by a biochemical analyzer. Blood samples from 53 client-owned dogs were collected. Lin concordance correlation coefficient (ρc) and Bland-Altman plots were used to determine correlation and agreement between the results obtained for the different sample types. Glucose concentration in whole blood measured by the veterinary PBG was more strongly correlated with the glucose concentration measured by the biochemical analyzer (ρc = 0.92) compared to plasma and serum glucose concentrations (ρc = 0.59 and 0.57, respectively). The mean differences between the glucose concentrations in whole blood, plasma, and serum measured by the veterinary PBG and the glucose concentration determined by the biochemical analyzer were 1.0, 6.3, and 6.7 mmol/L (18, 113, and 121 mg/dL), respectively. Our findings suggest that, when using this veterinary PBG, the accuracy of a glucose measurement obtained is higher when using whole blood compared to plasma or serum. Use of whole blood allows for more correct assessment and diagnosis, which are necessary for appropriate therapeutic intervention.
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Affiliation(s)
- Natalie D Suchowersky
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL, USA
| | - Elizabeth A Carlson
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL, USA
| | - Hollie P Lee
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL, USA
| | - Ellen N Behrend
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL, USA
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8
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Costa PB, Ricarti ML, Augustavo CAA, Santos LS, Crivellenti LZ, Borin-Crivellenti S. Transoperative glycemia in pets: validating old ones, and presenting lip mucosa as new sampling site. Domest Anim Endocrinol 2021; 74:106540. [PMID: 32916522 DOI: 10.1016/j.domaniend.2020.106540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 08/03/2020] [Accepted: 08/11/2020] [Indexed: 11/23/2022]
Abstract
The aim of our study was to investigate the viability and validity of blood sampling from the upper lip mucosa in healthy dogs and cats for monitoring transoperative glycemia and compare the results with those obtained from samples taken from previously described blood sampling sites for determination of glycemia using a glucose meter. Blood glucose (BG) levels were determined in samples taken from the upper lip mucosa of 24 dogs and 31 cats undergoing neutering or spaying surgeries. These values were compared to those of samples obtained from other sites previously described for capillary blood glucose monitoring (marginal ear vein, carpal pad in dogs, metacarpal pad in cats) using a glucose meter. Additionally, BG from peripheral venous blood was determined using a glucose meter, and the gold standard enzymatic colorimetric assay. The clinical reliability of BG values taken from lip mucosa and from all the other BG values measured by the glucose meter was evaluated using the error grid analysis modified by Parkes et al (2000). The upper lip mucosa was an easily accessible site for the obtainment of appropriate blood samples, and glucose levels read in these samples correlated positively with glycemic values read in blood samples from all other sites in dogs and cats. All BG made using glucose meters taken from all sites were within the clinically acceptable range when compared with enzymatic colorimetric assay (gold standard), and were analytically accurate according to the error grid (zones A and B). All blood sampling sites described in this work can be used to assess transoperative glycemia. The upper lip mucosa is a viable blood sampling site for precise monitoring of transoperative glycemia in healthy dogs and cats and shows promise for alternative blood glucose monitoring.
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Affiliation(s)
- P B Costa
- Campus Glória - Bloco 1CCG SALA 211A, BR-050, KM 78, Uberlândia, Minas Gerais 38410-337, Brazil; Graduate Program in Veterinary Science (PPGCVET), Universidade Federal de Uberlândia (UFU), Uberlândia, Minas Gerais, Brazil
| | - M L Ricarti
- Campus Glória - Bloco 1CCG SALA 211A, BR-050, KM 78, Uberlândia, Minas Gerais 38410-337, Brazil; College of Veterinary Medicine (FAMEV), Universidade Federal de Uberlândia (UFU), Uberlândia, Minas Gerais, Brazil
| | - C A A Augustavo
- Campus Glória - Bloco 1CCG SALA 211A, BR-050, KM 78, Uberlândia, Minas Gerais 38410-337, Brazil; College of Veterinary Medicine (FAMEV), Universidade Federal de Uberlândia (UFU), Uberlândia, Minas Gerais, Brazil
| | - L S Santos
- Laboratory of Veterinary Clinical Pathology, Veterinary Hospital (HV-UFU), Universidade Federal de Uberlândia, Uberlândia, Minas Gerais, Brazil
| | - L Z Crivellenti
- Campus Glória - Bloco 1CCG SALA 211A, BR-050, KM 78, Uberlândia, Minas Gerais 38410-337, Brazil; College of Veterinary Medicine (FAMEV), Universidade Federal de Uberlândia (UFU), Uberlândia, Minas Gerais, Brazil
| | - S Borin-Crivellenti
- Campus Glória - Bloco 1CCG SALA 211A, BR-050, KM 78, Uberlândia, Minas Gerais 38410-337, Brazil; Graduate Program in Veterinary Science (PPGCVET), Universidade Federal de Uberlândia (UFU), Uberlândia, Minas Gerais, Brazil; College of Veterinary Medicine (FAMEV), Universidade Federal de Uberlândia (UFU), Uberlândia, Minas Gerais, Brazil.
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9
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Silva DD, Cecci GRM, Biz G, Chiaro FN, Zanutto MS. Evaluation of a flash glucose monitoring system in dogs with diabetic ketoacidosis. Domest Anim Endocrinol 2021; 74:106525. [PMID: 32799040 DOI: 10.1016/j.domaniend.2020.106525] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 07/10/2020] [Accepted: 07/12/2020] [Indexed: 11/29/2022]
Abstract
The flash glucose monitoring system (FGMS) Freestyle Libre provides estimates of blood glucose by constantly measuring the glucose concentration of the interstitial fluid through a sensor inserted in the subcutaneous space. The aim of this study was to evaluate the applicability and accuracy of the FGMS in dogs with diabetic ketoacidosis (DKA). Seven dogs with DKA examined at the Veterinary Hospital of the State University of Londrina were included in this study. The sensor was placed on the dorsal cervical region, shortly after the diagnosis of DKA was confirmed and maintained for 5 d. The measurement of blood glucose was performed simultaneously with the veterinary portable blood glucose meter (PBGM) AlphaTRAK 2 every 2 to 4 h and with the hexokinase method every 12 h. The PBGM's precision was evaluated following the ISO15197:2013 criteria. Blood glucose estimates were strongly associated (r = 0.89; P < 0.0001), and the mean absolute relative difference in relation to the PBGM was 25.2% (-70.4% to 101.9%). The evaluation of these data using the consensus error grid analysis showed that 95.4% and 94.8% of the samples were in Zones A and B (clinically acceptable) using the PBGM and the hexokinase method as a reference, respectively. The ISO15197:2013 criteria were not met. There was no difference in the accuracy of the device among days (P = 0.74); however, there was a difference between the hydration status (P = 0.019) and blood glucose ranges (hypoglycemic, euglycemic, and hyperglycemic; P < 0.0001), in which it was less precise in measuring the blood glucose range in hypoglycemic dogs. Therefore, it can be concluded that in spite of the fact that the device did not meet the ISO 15197:2013 criteria, the FGMS evaluated presents good clinical precision and can be a valuable tool in treating dogs with diabetic DKA.
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Affiliation(s)
- D D Silva
- Department of Veterinary Clinics, State University of Londrina, Paraná, Brazil.
| | - G R M Cecci
- Department of Veterinary Clinics, State University of Londrina, Paraná, Brazil
| | - G Biz
- Department of Statistics, State University of Londrina, Paraná, Brazil
| | - F N Chiaro
- Department of Veterinary Clinics, State University of Londrina, Paraná, Brazil
| | - M S Zanutto
- Department of Veterinary Clinics, State University of Londrina, Paraná, Brazil
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Malerba E, Alessandrini F, Grossi G, Giunti M, Fracassi F. Efficacy and Safety of Intramuscular Insulin Lispro vs. Continuous Intravenous Regular Insulin for the Treatment of Dogs With Diabetic Ketoacidosis. Front Vet Sci 2020; 7:559008. [PMID: 33195532 PMCID: PMC7596346 DOI: 10.3389/fvets.2020.559008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 09/14/2020] [Indexed: 11/23/2022] Open
Abstract
The use of rapid-acting insulin analogs as routes of administration other than IV has never been described for the treatment of dogs with diabetic ketoacidosis (DKA). This study aims to compare the efficacy and safety of a new protocol based on IM administration of insulin lispro with that of low-dose IV continuous rate infusion of regular insulin in the treatment of canine DKA. Client-owned dogs with naturally occurring DKA were included. Dogs treated with IM insulin lispro (Group L, n = 11) received 0.25 U/kg. The goal was to achieve a drop of at least 10% in blood glucose between 1 h and the next. If this goal was not achieved, the insulin dose was repeated hourly; otherwise, the insulin dose was not repeated up to a maximum of 3 h, after which the insulin dose was repeated anyway. When blood glucose was ≤250 mg/dL, the insulin dose was reduced to 0.125 U/kg IM every 3 h. Cases receiving IV continuous rate infusion of regular insulin (Group R, n = 13) were treated according to a previously published protocol. The median time to resolution of ketosis was significantly shorter in Group L (12 h; range, 4–27 h) compared to Group R (23 h; 10–46 h; P = 0.04). The median times to resolution of acidemia and ketoacidosis were 13 h (4–35 h) and 17.5 h (4–35 h) in Group L, and 22 h (9–80 h) and 23.5 h (10–80 h) in Group R, respectively. These differences were not significant (P = 0.06 and P = 0.09, respectively). The median length of hospitalization did not differ significantly between groups (P = 0.67). There were no differences in the frequency and severity of adverse events (hypoglycemia, hypokaliemia, and hypophosphatemia) between groups. The new protocol based on IM administration of insulin lispro preliminarily appears effective and safe for treatment of canine DKA.
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Affiliation(s)
- Eleonora Malerba
- Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy
| | | | - Giorgio Grossi
- Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy
| | - Massimo Giunti
- Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy
| | - Federico Fracassi
- Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy
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11
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Silva KG, Rotta I, Costa LB, Sotomaior CS. Comparison of 2 portable human glucometers for the measurement of blood glucose concentration in White New Zealand rabbits. J Vet Diagn Invest 2020; 32:683-688. [PMID: 32723169 DOI: 10.1177/1040638720946702] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
We compared measurements of blood glucose concentrations in 30 healthy adult White New Zealand rabbits using 2 commercial portable glucometers (PGM1 and PGM2) and a laboratory chemical analyzer. Results were analyzed with Pearson correlation, Passing-Bablok regression analysis, Bland-Altman analysis, and a modified error grid. Measurements with PGM1 were significantly correlated (r = 0.37) with those obtained from the laboratory reference method (RM); Bland-Altman and Passing-Bablok analyses indicated no significant systematic or proportional differences (mean difference of -0.26, 95% CI of mean difference of -0.54 to 0.01, and LOA of -1.70 to 1.17); and error grid resulted in 100% of measurements in zone A. No significant correlation (r = -0.05) was detected between PGM2 and RM; Bland-Altman and Passing-Bablok analyses results indicated a mean difference of 2.14, 95% CI of mean difference of 1.67-2.60, and limit of agreement of -0.32 to 4.59, which overestimated blood glucose concentration, with 53% of glucose measurements in error grid zone A and 47% in zone B. PGM1 was considered accurate in normoglycemic rabbits, whereas the use of PGM2 could result in overestimations of glycemia.
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Affiliation(s)
- Kassy G Silva
- Graduate Program in Animal Science (Silva, Costa, Sotomaior) and Undergraduate Program in Veterinary Medicine (Rotta), Pontifícia Universidade Católica do Paraná, Paraná, Brazil
| | - Isabella Rotta
- Graduate Program in Animal Science (Silva, Costa, Sotomaior) and Undergraduate Program in Veterinary Medicine (Rotta), Pontifícia Universidade Católica do Paraná, Paraná, Brazil
| | - Leandro B Costa
- Graduate Program in Animal Science (Silva, Costa, Sotomaior) and Undergraduate Program in Veterinary Medicine (Rotta), Pontifícia Universidade Católica do Paraná, Paraná, Brazil
| | - Cristina S Sotomaior
- Graduate Program in Animal Science (Silva, Costa, Sotomaior) and Undergraduate Program in Veterinary Medicine (Rotta), Pontifícia Universidade Católica do Paraná, Paraná, Brazil
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12
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Cutler DC, Koenig A, Di Girolamo N, Mayer J. Investigation for correction formulas on the basis of packed cell volume for blood glucose concentration measurements obtained with portable glucometers when used in rabbits. Am J Vet Res 2020; 81:642-650. [PMID: 32700996 DOI: 10.2460/ajvr.81.8.642] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To determine effects of PCV on blood glucose (BG) concentration measurements obtained with a human portable blood glucometer (HPBG) and a veterinary portable blood glucometer (VPBG) on canine (cVPBG) and feline (fVPBG) settings (test methods) when used in rabbits and to develop correction formulas to mitigate effects of PCV on such measurements. SAMPLE 48 resuspended blood samples with known PVCs (range, 0% [plasma] to 92% [plasma and packed RBCs]) from 6 healthy research rabbits (experimental sample set) and 252 historic measurements of BG concentration and PCV in 84 client-owned rabbits evaluated at a veterinary hospital (validation data set). PROCEDURES Duplicate measurements of BG concentration with each test method and of PCV were obtained for each sample in the experimental sample set, and the mean results for each variable for each test method and sample were compared with results from a clinical laboratory analyzer (reference method) used to determine the true BG concentration for each sample. Mean ± SD differences in measurements between the reference and test methods were calculated. Linear regression and modified Clarke error grid analysis were used to develop correction formulas for the test methods given known PCVs, and these formulas were evaluated on the validation data set with linear regression and a modified Clarke error grid. RESULTS Blood glucose concentrations were falsely low for cVPBG and fVPBG used on samples with PCV < 31% and were falsely high for all test methods used on samples with PCV > 43%. Compared with original measurements, formula-corrected measurements overall had better agreement with reference method measurements for the experimental sample set; however, only the formula-corrected HPBG measurements had improved agreement for the validation data set. CONCLUSIONS AND CLINICAL RELEVANCE Findings indicated that, in rabbits, HPBG measurements had improved accuracy with the use of the correction formula HPBG measurement of BG concentration + ([0.75 × PCV] - 15); however, the correction formulas did not improve the accuracy of VPBG measurements, and we believe that neither the cVPBG nor fVPBG should be used in rabbits.
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Fleeman L, Gostelow R. Updates in Feline Diabetes Mellitus and Hypersomatotropism. Vet Clin North Am Small Anim Pract 2020; 50:1085-1105. [PMID: 32680669 DOI: 10.1016/j.cvsm.2020.06.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Flash glucose monitoring is a novel, noninvasive monitoring technique that is increasingly used in the management of small animal diabetes. This article provides guidance on the use of flash glucose monitoring in cats and demonstrates how this technique can be used in a range of feline diabetic cases, including those where management is proving challenging. Other aspects of complicated feline diabetic care are also discussed, including management of the sick diabetic cat, potassium depletion myopathy, and treatment options for cats with hypersomatotropism-associated diabetes mellitus. The use of insulin glargine 300 U/ml as a promising new long-acting insulin for diabetic cats is also discussed.
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Affiliation(s)
- Linda Fleeman
- Animal Diabetes Australia, 9-11 Miles Street, Mulgrave, Victoria 3170, Australia
| | - Ruth Gostelow
- Department of Clinical Science and Services, The Royal Veterinary College, Hawkshead Lane, North Mymms, Hertfordshire AL9 7TA, UK.
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Lechner MJ, Hess RS. Comparison of glucose concentrations in serum, plasma, and blood measured by a point-of-care glucometer with serum glucose concentration measured by an automated biochemical analyzer for canine and feline blood samples. Am J Vet Res 2020; 80:1074-1081. [PMID: 31763942 DOI: 10.2460/ajvr.80.12.1074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To determine the correlation between glucose concentrations in serum, plasma, and blood measured by a point-of-care glucometer (POCG) and serum glucose concentration measured by an automated biochemical analyzer (ABA; gold standard). SAMPLE 152 canine and 111 feline blood samples. PROCEDURES For each sample, the glucose concentration in serum, plasma, and blood was measured by a POCG and compared with the ABA-measured glucose concentration by means of the Lin concordance correlation coefficient. Results were summarized by species for all samples and subsets of samples with hyperglycemia (ABA-measured glucose concentration > 112 mg/dL for dogs and > 168 mg/dL for cats) and pronounced hyperglycemia (ABA-measured glucose concentration > 250 mg/dL for both species). The effect of PCV on correlations between POCG and ABA measurements was also assessed. RESULTS Hyperglycemia and pronounced hyperglycemia were identified in 69 and 36 canine samples and 44 and 29 feline samples, respectively. The POCG-measured glucose concentrations in serum, plasma, and blood were strongly and positively correlated with the gold standard concentration. The PCV was positively associated with the correlation between the POCG-measured blood glucose concentration and the gold standard concentration but was not associated with the correlations between the POCG-measured glucose concentrations in serum and plasma and the gold standard concentration. CONCLUSIONS AND CLINICAL RELEVANCE Results indicated that POCG-measured glucose concentrations in serum, plasma, and blood were strongly correlated with the ABA-measured serum glucose concentration, even in hyperglycemic samples. Given the time and labor required to harvest serum or plasma from blood samples, we concluded that blood was the preferred sample type for use with this POCG.
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Guevara JL, Tobias KM, Stokes JE, Zhu X, Smith RA. Effect of site of sample collection and prandial state on blood glucose concentrations measured with a portable blood glucose meter in healthy dogs. Am J Vet Res 2020; 80:995-1000. [PMID: 31644346 DOI: 10.2460/ajvr.80.11.995] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To compare glucose concentrations in peripheral venous and capillary blood samples collected from dogs before and after consumption of a meal and measured with a veterinary-specific portable blood glucose meter (PBGM). ANIMALS 12 dogs (96 blood samples). PROCEDURES A veterinary-specific PBGM was used to measure blood glucose concentrations. Glucose concentrations in capillary blood samples obtained from the carpal pad, medial aspect of a pinna, and oral mucosa were compared with glucose concentrations in blood samples obtained from a lateral saphenous vein. Samples were collected after food was withheld for 12 hours and again 2 hours after consumption of a meal. RESULTS Location of capillary blood collection had a significant effect on glucose concentrations measured with the PBGM. Glucose concentration in capillary blood collected from the medial aspect of the pinna did not differ significantly from the glucose concentration in peripheral venous blood samples, whereas glucose concentrations in blood samples collected from the carpal pad and oral mucosa differed significantly from the glucose concentration in peripheral venous blood samples. There was no significant difference between preprandial and postprandial blood glucose concentrations. CONCLUSIONS AND CLINICAL RELEVANCE Glucose concentrations in capillary blood collected from the medial aspect of the pinna of dogs better reflected glucose concentrations in venous blood than concentrations measured in capillary blood collected from the carpal pad or oral mucosa.
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McQuinn ER, Viall AK, Hirschfield MA, Ward JL, Jeffery U, LeVine DN. Inaccurate point-of-care blood glucose measurement in a dog with secondary erythrocytosis. J Vet Emerg Crit Care (San Antonio) 2019; 30:81-85. [PMID: 31840932 DOI: 10.1111/vec.12909] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Revised: 01/29/2018] [Accepted: 03/13/2018] [Indexed: 01/02/2023]
Abstract
BACKGROUND Point-of-care (POC) portable blood glucose meters (PBGMs) are convenient and inexpensive tools for assessing patient blood glucose concentrations. They are often used to quickly diagnose hypoglycemia or collect serial glucose readings in diabetic patients. However, POC meters have been previously identified in human and veterinary literature to be inaccurate when utilized in patients with abnormal HCT. This problem may not be reflected in manufacturer guidelines referenced by practitioners in the POC setting. KEY FINDINGS A 1.5-year-old dog, previously diagnosed with multiple congenital cardiac malformations, right-to-left cardiac shunting and secondary erythrocytosis, presented to a veterinary emergency center minimally responsive and without detectable pulses. PBGM measurement identified hypoglycemia. Following stabilization of the dog, serial glucose assessments showed discordant results between PBGMs and the reference laboratory biochemistry analyzer. A pathological cause for hypoglycemia was not identified and PBGM readings were determined to be erroneously low due to the dog's abnormally high HCT. SIGNIFICANCE This case demonstrates the limitations of using PBGMs to assess blood glucose in a dog with secondary erythrocytosis. The report emphasizes the need for judicious use of PBGMs in critically ill patients and that these glucometers may not be reliable in patients with abnormal HCT values.
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Affiliation(s)
- Erin R McQuinn
- Department of Veterinary Clinical Sciences, Iowa State University, Ames, IA
| | | | | | - Jessica L Ward
- Department of Veterinary Clinical Sciences, Iowa State University, Ames, IA
| | - Unity Jeffery
- Veterinary Microbiology and Preventative Medicine, Iowa State University, Ames, IA
| | - Dana N LeVine
- Department of Veterinary Clinical Sciences, Iowa State University, Ames, IA
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Precision and accuracy of a point-of-care glucometer in horses and the effects of sample type. Vet J 2019; 252:105359. [PMID: 31554585 DOI: 10.1016/j.tvjl.2019.105359] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 08/15/2019] [Accepted: 08/20/2019] [Indexed: 11/21/2022]
Abstract
Point-of-care glucometry is used commonly in clinical and research settings; however, accuracy and precision of this method are concerns. The objectives of this study were to determine the accuracy of glucometry in adult horses and the precision of duplicate measurements. Blood samples were collected from 62 horses into one plain syringe, one EDTA tube and three fluoride oxalate (FO) tubes. Immediately after collection, glucose concentrations in whole blood were determined, in duplicate, by glucometry from the syringe (plain whole blood [WB] group), EDTA tube (EDTA group) and one FO tube (FO group). One FO sample was used to measure plasma glucose concentration by a laboratory chemistry analyser (LAB group) ≤1 h after collection. The third FO tube was used to measure plasma glucose concentration by glucometry after 3 h storage (FO3hr group). Adequate precision was present for all groups (coefficient of variation: 0.7-3.5%) except WB (5.5-9.4%). Between groups, correlations were significant (P < 0.05; except for WB-EDTA), varied with group comparison, and tended to be lowest for comparisons involving WB. Mean bias was lowest for WB-LAB and greatest for FO-LAB and FO3hr-LAB; however, the limits of agreement were ≥4.65 mmol/L for WB-LAB and ≤2.75 mmol/L for most other comparisons. For the glucometer used, performance was influenced by sample type: WB was unsuitable, while FO or EDTA samples resulted in adequate precision and accuracy, provided under-estimation of glucose concentrations is accounted for by using method-specific reference ranges. Glucometer performance and optimal sample type(s) should be determined prior to use in horses.
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Nishi Y, Murakami Y, Otsuka M, Tsukano K, Ajito T, Suzuki K. Accuracy of the point-of-care glucose meter for use in calves. J Vet Med Sci 2019; 81:1301-1304. [PMID: 31308294 PMCID: PMC6785606 DOI: 10.1292/jvms.19-0272] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
The aim of this study was to evaluate the accuracy and precision of portable blood glucose meters, such as i-STAT 1 and Precision Xceed, for use in calves. Whole blood and plasma samples
were obtained from eleven calves that received 2.5 or 5.0% dextrose-containing polyelectrolyte isotonic solutions. Measurements using the i-STAT 1 (r2=0.99,
P<0.0001) and Precision Xceed (r2=0.96, P<0.0001) were well correlated with those by the hexokinase method, which is the
gold standard. Although the accuracy of i-STAT 1 was equivalent to that of the hexokinase method, there was an autocorrelation in the residuals between the results from the Precision Xceed
and the hexokinase method. Thus, the i-STAT 1 can be used to measure the blood glucose concentration in cattle.
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Affiliation(s)
- Yasunobu Nishi
- School of Veterinary Medicine, Rakuno Gakuen University, 582 Midorimachi, Bunnkyoudai, Ebetsu, Hokkaido 069-8501, Japan
| | - Yoshiki Murakami
- School of Veterinary Medicine, Rakuno Gakuen University, 582 Midorimachi, Bunnkyoudai, Ebetsu, Hokkaido 069-8501, Japan
| | - Marina Otsuka
- School of Veterinary Medicine, Rakuno Gakuen University, 582 Midorimachi, Bunnkyoudai, Ebetsu, Hokkaido 069-8501, Japan
| | - Kenji Tsukano
- School of Veterinary Medicine, Rakuno Gakuen University, 582 Midorimachi, Bunnkyoudai, Ebetsu, Hokkaido 069-8501, Japan
| | - Tadaharu Ajito
- School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1-7-1 Kyounancho, Musashino, Tokyo 180-0023, Japan
| | - Kazuyuki Suzuki
- School of Veterinary Medicine, Rakuno Gakuen University, 582 Midorimachi, Bunnkyoudai, Ebetsu, Hokkaido 069-8501, Japan
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Capasso M, Girolamo ND, Silvestre P, Laricchiuta P. Performance of two portable blood glucose meters for measuring blood glucose concentration in tigers ( Panthera tigris) and lions ( Panthera leo). J Am Vet Med Assoc 2019; 254:399-408. [DOI: 10.2460/javma.254.3.399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Morgan RK, Cortes Y, Murphy L. Pathophysiology and aetiology of hypoglycaemic crises. J Small Anim Pract 2018; 59:659-669. [PMID: 30102417 PMCID: PMC7166581 DOI: 10.1111/jsap.12911] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 04/24/2018] [Accepted: 06/15/2018] [Indexed: 01/09/2023]
Abstract
Hypoglycaemia is a common, life-threatening complication that occurs as a component of a wide variety of disease processes. Despite its frequent occurrence, information concerning the aetiology, characteristics and outcomes of hypoglycaemic crises in veterinary medicine is limited. This review summarises the current understanding of the pathophysiology of hypoglycaemia, the body's counter-regulatory response, underlying aetiologies, diagnosis and treatment. Disease mechanisms are discussed and published evidence in veterinary literature regarding prognostic indicators, prevalence, diagnosis and treatment is examined for hypoglycaemia-related disease processes including insulinoma, glucose-lowering toxins and medications.
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Affiliation(s)
- R K Morgan
- Metropolitan Veterinary Associates, Norristown, Pennsylvania, USA
| | - Y Cortes
- Emergency Department, Oradell Animal Hospital, Paramus, New Jersey, USA
| | - L Murphy
- Veterinary Specialty Center of Delaware, New Castle, Delaware, USA
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Jeffery N, Boudreau CE, Konarik M, Mays T, Fajt V. Pharmacokinetics and safety of oral glyburide in dogs with acute spinal cord injury. PeerJ 2018; 6:e4387. [PMID: 29503767 PMCID: PMC5831157 DOI: 10.7717/peerj.4387] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Accepted: 01/29/2018] [Indexed: 01/04/2023] Open
Abstract
Background Glyburide (also known as glibenclamide) is effective in reducing the severity of tissue destruction and improving functional outcome after experimental spinal cord injury in rodents and so has promise as a therapy in humans. There are many important differences between spinal cord injury in experimental animals and in human clinical cases, making it difficult to introduce new therapies into clinical practice. Spinal cord injury is also common in pet dogs and requires new effective therapies, meaning that they can act as a translational model for the human condition while also deriving direct benefits from such research. In this study we investigated the pharmacokinetics and safety of glyburide in dogs with clinical spinal cord injury. Methods We recruited dogs that had incurred an acute thoracolumbar spinal cord injury within the previous 72 h. These had become acutely non-ambulatory on the pelvic limbs and were admitted to our veterinary hospitals to undergo anesthesia, cross sectional diagnostic imaging, and surgical decompression. Oral glyburide was given to each dog at a dose of 75 mcg/kg. In five dogs, we measured blood glucose concentrations for 10 h after a single oral dose. In six dogs, we measured serum glyburide and glucose concentrations for 24 h and estimated pharmacokinetic parameters to estimate a suitable dose for use in a subsequent clinical trial in similarly affected dogs. Results No detrimental effects of glyburide administration were detected in any participating dog. Peak serum concentrations of glyburide were attained at a mean of 13 h after dosing, and mean apparent elimination half-life was approximately 7 h. Observed mean maximum plasma concentration was 31 ng/mL. At the glyburide dose administered there was no observable association between glyburide and glucose concentrations in blood. Discussion Our data suggest that glyburide can be safely administered to dogs that are undergoing anesthesia, imaging and surgery for treatment of their acute spinal cord injury and can attain clinically-relevant serum concentrations without developing hazardous hypoglycemia. Serum glyburide concentrations achieved in this study suggest that a loading dose of 150 mcg/kg followed by repeat doses of 75 mcg/kg at 8-hourly intervals would lead to serum glyburide concentrations of 25-50 ng/mL within an acceptably short enough period after oral administration to be appropriate for a clinical trial in canine spinal cord injury.
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Affiliation(s)
- Nick Jeffery
- Department of Small Animal Clinical Sciences, Texas A&M University, College Station, TX, United States of America
| | - C Elizabeth Boudreau
- Department of Small Animal Clinical Sciences, Texas A&M University, College Station, TX, United States of America
| | - Megan Konarik
- Veterinary Medical Diagnostic Laboratory, Texas A&M University, College Station, TX, United States of America
| | - Travis Mays
- Veterinary Medical Diagnostic Laboratory, Texas A&M University, College Station, TX, United States of America
| | - Virginia Fajt
- Department of Veterinary Physiology & Pharmacology, Texas A&M University, College Station, TX, United States of America
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Comparison of the pharmacodynamics of protamine zinc insulin and insulin degludec and validation of the continuous glucose monitoring system iPro2 in healthy cats. Res Vet Sci 2018; 118:79-85. [PMID: 29421488 DOI: 10.1016/j.rvsc.2018.01.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Revised: 11/29/2017] [Accepted: 01/20/2018] [Indexed: 11/24/2022]
Abstract
With the aim to improve current therapeutic and monitoring options for diabetic cats, the present study compared pharmacodynamic parameters of protamine zinc insulin (PZI) and insulin degludec and validated the continuous glucose monitoring system (CGMS) iPro2 with Sof-sensor and Enlite-sensor focusing on the low glycemic range. Three doses (0.1, 0.2 and 0.3IU/kg) of the two insulin preparations and the CGMS iPro2 with two different sensors were tested in six healthy cats. After each insulin administration, onset of action, time to glucose nadir and duration of action were calculated by measuring glucose concentrations with a portable blood glucose meter (PBGM). After sensor placement, paired PBGM and sensor glucose measurements were done and analytical and clinical accuracy were calculated according to the ISO 15197:2013 criteria. Onset of action, time to glucose nadir and glucose nadir were similar for both insulin formulations. Duration of action of insulin degludec was significantly longer than those of PZI at 0.1IU/kg (P=0.043) and 0.2IU/kg (P=0.043). Overall, 166/191 (87%) Sof-sensor measurements and 106/121 (88%) Enlite-sensor measurements met ISO criteria for analytical accuracy, and all sensor measurements fulfilled ISO criteria for clinical accuracy. Insulin degludec was well tolerated in healthy cats and showed longer duration of action than PZI. Further studies on the use of insulin degludec in diabetic cats might be recommended. Both sensors had good clinical accuracy, when used with the CGMS iPro2, but the analytical accuracy was below the minimum set by ISO 15197:2013.
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Behrend E, Holford A, Lathan P, Rucinsky R, Schulman R. 2018 AAHA Diabetes Management Guidelines for Dogs and Cats*. J Am Anim Hosp Assoc 2018; 54:1-21. [DOI: 10.5326/jaaha-ms-6822] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
ABSTRACT
Diabetes mellitus (DM) is a common disease encountered in canine and feline medicine. The 2018 AAHA Diabetes Management Guidelines for Dogs and Cats revise and update earlier guidelines published in 2010. The 2018 guidelines retain much of the information in the earlier guidelines that continues to be applicable in clinical practice, along with new information that represents current expert opinion on controlling DM. An essential aspect of successful DM management is to ensure that the owner of a diabetic dog or cat is capable of administering insulin, recognizing the clinical signs of inadequately managed DM, and monitoring blood glucose levels at home, although this is ideal but not mandatory; all topics that are reviewed in the guidelines. Insulin therapy is the mainstay of treatment for clinical DM. The guidelines provide recommendations for using each insulin formulation currently available for use in dogs and cats, the choice of which is generally based on efficacy and duration of effect in the respective species. Also discussed are non-insulin therapeutic medications and dietary management. These treatment modalities, along with insulin therapy, give the practitioner an assortment of options for decreasing the clinical signs of DM while avoiding hypoglycemia, the two conditions that represent the definition of a controlled diabetic. The guidelines review identifying and monitoring patients at risk for developing DM, which are important for avoiding unnecessary insulin therapy in patients with transient hyperglycemia or mildly elevated blood glucose.
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Affiliation(s)
- Ellen Behrend
- From the Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, Alabama (E.B.); Department of Small Animal Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee (A.H.); Department of Clinical Sciences, College of Veterinary Medicine, Mississippi State University, Starkville, Mississippi (P.L.); Mid Atlantic Cat Hospital, Queen
| | - Amy Holford
- From the Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, Alabama (E.B.); Department of Small Animal Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee (A.H.); Department of Clinical Sciences, College of Veterinary Medicine, Mississippi State University, Starkville, Mississippi (P.L.); Mid Atlantic Cat Hospital, Queen
| | - Patty Lathan
- From the Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, Alabama (E.B.); Department of Small Animal Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee (A.H.); Department of Clinical Sciences, College of Veterinary Medicine, Mississippi State University, Starkville, Mississippi (P.L.); Mid Atlantic Cat Hospital, Queen
| | - Renee Rucinsky
- From the Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, Alabama (E.B.); Department of Small Animal Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee (A.H.); Department of Clinical Sciences, College of Veterinary Medicine, Mississippi State University, Starkville, Mississippi (P.L.); Mid Atlantic Cat Hospital, Queen
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Leclerc L, Thorin C, Flanagan J, Biourge V, Serisier S, Nguyen P. Higher neonatal growth rate and body condition score at 7 months are predictive factors of obesity in adult female Beagle dogs. BMC Vet Res 2017; 13:104. [PMID: 28407742 PMCID: PMC5390368 DOI: 10.1186/s12917-017-0994-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Accepted: 03/17/2017] [Indexed: 01/02/2023] Open
Abstract
Background The risks during early growth on becoming overweight in adulthood are widely studied in humans. However, early-life predictive factors for canine adult overweight and obesity have not yet been studied. To identify factors that may help explain the development of overweight and obesity at adulthood in dogs, a longitudinal study of 2 years was conducted in 24 female Beagle dogs of the same age, sexual status, and raised under identical environmental conditions. By means of a hierarchical classification on principal components with the following quantitative values: fat-free mass (FFM), percentage fat mass and pelvic circumference at 2 years of age, three groups of dogs were established and were nominally named: ideal weight (IW, n = 9), slightly overweight (OW1, n = 6) and overweight (OW2, n = 9). With the aim of identifying predictive factors of development of obesity at adulthood parental characteristics, growth pattern, energy balance and plasma factors were analysed by logistic regression analysis. Results At 24 months, the group compositions were in line with the body condition scores (BCS 1–9) values of the IW (5 or 6/9), the OW1 (6/9) and the OW2 (7 or 8/9) groups. Logistic regression analysis permitted the identification of neonatal growth rate during the first 2 weeks of life (GR2W) and BCS at 7 months as predictors for the development of obesity at adulthood. Seventy percent of dogs with either GR2W >125% or with BCS > 6/9 at 7 months belonged to the OW2 group. Results from energy intake and expenditure, corrected for FFM, showed that there was a greater positive energy imbalance between 7 and 10 months for the OW2, compared to the IW group. Conclusion This study expands the understanding of previously reported risk factors for being overweight or obese in dogs, establishing that (i) 15 out of 24 of the studied dogs became overweight and (ii) GR2W and BCS at 7 months of age could be used as predictive factors as overweight adult dogs in the OW2 group had higher values compared the other groups of dogs. Electronic supplementary material The online version of this article (doi:10.1186/s12917-017-0994-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Lucie Leclerc
- LUNAM University, Oniris, Nantes-Atlantic College of Veterinary Medicine and Food Science and Engineering, Nutrition and Endocrinology Unit, C.S. 40706, 44307, Nantes Cedex 03, France.,Royal Canin SAS, 650 avenue de la petite Camargue, 30470, Aimargues, France
| | - Chantal Thorin
- LUNAM University, Oniris, Nantes-Atlantic College of Veterinary Medicine and Food Science and Engineering, Animal Physiopathology and Functional Pharmacology, C.S. 40706, 44307, Nantes Cedex 03, France
| | - John Flanagan
- Royal Canin SAS, 650 avenue de la petite Camargue, 30470, Aimargues, France
| | - Vincent Biourge
- Royal Canin SAS, 650 avenue de la petite Camargue, 30470, Aimargues, France
| | - Samuel Serisier
- LUNAM University, Oniris, Nantes-Atlantic College of Veterinary Medicine and Food Science and Engineering, Nutrition and Endocrinology Unit, C.S. 40706, 44307, Nantes Cedex 03, France.,Royal Canin SAS, 650 avenue de la petite Camargue, 30470, Aimargues, France
| | - Patrick Nguyen
- LUNAM University, Oniris, Nantes-Atlantic College of Veterinary Medicine and Food Science and Engineering, Nutrition and Endocrinology Unit, C.S. 40706, 44307, Nantes Cedex 03, France. .,Nutrition and Endocrinology Unit, Oniris, Nantes-Atlantic College of Veterinary Medicine and Food Sciences and Engineering, C.S. 40706, 44307, Nantes Cedex 03, France.
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Bennett KA, Turner LM, Millward S, Moss SEW, Hall AJ. Obtaining accurate glucose measurements from wild animals under field conditions: comparing a hand held glucometer with a standard laboratory technique in grey seals. CONSERVATION PHYSIOLOGY 2017; 5:cox013. [PMID: 28413683 PMCID: PMC5386009 DOI: 10.1093/conphys/cox013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2016] [Revised: 01/18/2017] [Accepted: 01/30/2017] [Indexed: 05/30/2023]
Abstract
Glucose is an important metabolic fuel and circulating levels are tightly regulated in most mammals, but can drop when body fuel reserves become critically low. Glucose is mobilized rapidly from liver and muscle during stress in response to increased circulating cortisol. Blood glucose levels can thus be of value in conservation as an indicator of nutritional status and may be a useful, rapid assessment marker for acute or chronic stress. However, seals show unusual glucose regulation: circulating levels are high and insulin sensitivity is limited. Accurate blood glucose measurement is therefore vital to enable meaningful health and physiological assessments in captive, wild or rehabilitated seals and to explore its utility as a marker of conservation relevance in these animals. Point-of-care devices are simple, portable, relatively cheap and use less blood compared with traditional sampling approaches, making them useful in conservation-related monitoring. We investigated the accuracy of a hand-held glucometer for 'instant' field measurement of blood glucose, compared with blood drawing followed by laboratory testing, in wild grey seals (Halichoerus grypus), a species used as an indicator for Good Environmental Status in European waters. The glucometer showed high precision, but low accuracy, relative to laboratory measurements, and was least accurate at extreme values. It did not provide a reliable alternative to plasma analysis. Poor correlation between methods may be due to suboptimal field conditions, greater and more variable haematocrit, faster erythrocyte settling rate and/or lipaemia in seals. Glucometers must therefore be rigorously tested before use in new species and demographic groups. Sampling, processing and glucose determination methods have major implications for conclusions regarding glucose regulation, and health assessment in seals generally, which is important in species of conservation concern and in development of circulating glucose as a marker of stress or nutritional state for use in management and monitoring.
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Affiliation(s)
- Kimberley A. Bennett
- Division of Science, School of Science, Engineering and Technology, Abertay University, DundeeDD1 1HG, UK
- Marine Biology and Ecology Research Centre, Plymouth University, Drake Circus, PlymouthPL4 8AA, UK
| | - Lucy M. Turner
- Marine Biology and Ecology Research Centre, Plymouth University, Drake Circus, PlymouthPL4 8AA, UK
| | - Sebastian Millward
- Marine Biology and Ecology Research Centre, Plymouth University, Drake Circus, PlymouthPL4 8AA, UK
| | - Simon E. W. Moss
- NERC Sea Mammal Research Unit, Scottish Oceans Institute, University of St Andrews, St Andrews, FifeKY16 8LB, UK
| | - Ailsa J. Hall
- NERC Sea Mammal Research Unit, Scottish Oceans Institute, University of St Andrews, St Andrews, FifeKY16 8LB, UK
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Koenig A, Verlander LL. Usefulness of whole blood, plasma, peritoneal fluid, and peritoneal fluid supernatant glucose concentrations obtained by a veterinary point-of-care glucometer to identify septic peritonitis in dogs with peritoneal effusion. J Am Vet Med Assoc 2016; 247:1027-32. [PMID: 26480011 DOI: 10.2460/javma.247.9.1027] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To evaluate the usefulness of a veterinary point-of-care glucometer for identification of septic peritonitis in dogs with peritoneal effusion (PE). DESIGN Prospective clinical evaluation. ANIMALS 39 dogs with PE. PROCEDURES Blood and peritoneal fluid convenience samples were collected concurrently in all dogs at the time of initial evaluation. A veterinary point-of-care glucometer was used to measure glucose concentration in heparinized whole blood, plasma, peritoneal fluid, and peritoneal fluid supernatant samples. Seventeen dogs had confirmed septic peritonitis, and 22 dogs had nonseptic PE. Sensitivity, specificity, positive and negative predictive values, and accuracy of identification of dogs with septic peritonitis were calculated for glucose concentration differences for whole blood versus peritoneal fluid (WB-PF), plasma versus peritoneal fluid (P-PF), and plasma versus peritoneal fluid supernatant (P-PFS). RESULTS With a cutoff of > 20 mg/dL, the glucose concentration difference for WB-PF was an insensitive indicator of septic peritonitis (sensitivity, 41.2%; specificity, 100%). In comparison, the glucose concentration differences for P-PF and P-PFS had a higher sensitivity for septic peritonitis (88.2% and 82.4%, respectively) but a lower specificity (80% and 77.8%, respectively). With a glucose concentration difference cutoff of ≥ 38 mg/dL, specificity, positive predictive value, and accuracy of P-PF and P-PFS improved. CONCLUSIONS AND CLINICAL RELEVANCE Determination of the glucose concentration difference for WB-PF with the veterinary point-of-care glucometer was not useful in identifying all dogs with septic peritonitis. A glucose concentration difference of ≥ 38 mg/dL for P-PF or P-PFS, however, supported an accurate diagnosis of septic peritonitis in dogs with PE.
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Gerber KL, Freeman KP. ASVCP guidelines: quality assurance for portable blood glucose meter (glucometer) use in veterinary medicine. Vet Clin Pathol 2016; 45:10-27. [DOI: 10.1111/vcp.12310] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Karen L. Gerber
- College of Public Health, Medical and Veterinary Sciences; James Cook University; Townsville Qld Australia
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Eichenberger RM, Riond B, Willi B, Hofmann-Lehmann R, Deplazes P. Prognostic Markers in Acute Babesia canis Infections. J Vet Intern Med 2016; 30:174-82. [PMID: 26727465 PMCID: PMC4913656 DOI: 10.1111/jvim.13822] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Revised: 10/27/2015] [Accepted: 12/01/2015] [Indexed: 01/12/2023] Open
Abstract
Background Canine babesiosis, caused by Babesia canis, is a prevalent and clinically relevant disease in Europe. Severe acute babesiosis is characterized by a high mortality but prognosis is not always correlated with clinical signs nor with the level of parasitemia. Objective This study evaluated prognostic markers associated with poor outcomes in acute Babesia canis infections. Animals and Methods We compared the results of routine laboratory profiles, hand‐held lactate and glucose analyzer, and the acute phase response in 2 groups of naturally infected dogs (7 survivors and 8 nonsurvivors). Samples were collected at the time of first admission and before any treatment. Subsequently, the course of prognostic markers was followed in 3 dogs experimentally inoculated with B. canis. Results Nonsurvivors showed significantly higher concentrations of lactate, triglycerides and phosphate and lower hematocrit, leukocyte counts, total serum protein concentrations, and thrombocyte counts when compared to survivors. All nonsurvivors (8/8) had hyperlactatemia, whereas most survivors (6/7) had values within the reference range. All survivors had leucocyte counts within the reference range, unlike the nonsurvivors, which showed leukopenia. During the course of acute babesiosis, the variables serum lactate, triglyceride, and phosphate concentrations, and thrombocyte count only exceeded a prognostic threshold during acute crisis. Conclusions and clinical importance Poor outcome in acute B. canis infection is indicated by changes in the laboratory profile. Intensive care should be considered for dogs presenting with moderate anemia, severe thrombocytopenia, mild to moderate leukopenia, hyperlactatemia, moderately increased serum phosphate, and triglyceride concentrations, and moderately decreased total serum protein concentrations.
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Affiliation(s)
- R M Eichenberger
- Institute of Parasitology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - B Riond
- Clinical Laboratory, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - B Willi
- Clinical Laboratory, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland.,Clinic for Small Animal Internal Medicine, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - R Hofmann-Lehmann
- Clinical Laboratory, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - P Deplazes
- Institute of Parasitology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
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Kang MH, Kim DH, Jeong IS, Choi GC, Park HM. Evaluation of four portable blood glucose meters in diabetic and non-diabetic dogs and cats. Vet Q 2015; 36:2-9. [DOI: 10.1080/01652176.2015.1092617] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Lane SL, Koenig A, Brainard BM. Formulation and validation of a predictive model to correct blood glucose concentrations obtained with a veterinary point-of-care glucometer in hemodiluted and hemoconcentrated canine blood samples. J Am Vet Med Assoc 2015; 246:307-12. [PMID: 25587730 DOI: 10.2460/javma.246.3.307] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To determine the effect of PCV on veterinary point-of-care (POC) glucometer measurements in canine blood samples and develop a formula to correct the glucose concentration as measured by a point-of-care glucometer (POCgluc) given a known PCV. DESIGN Experimental and prospective study. SAMPLES Blood samples from 6 healthy dogs and from 30 hospitalized dogs. PROCEDURES 60 mL of heparinized blood was obtained from each of 6 healthy dogs. Samples were processed into packed RBCs and plasma. Packed RBCs were resuspended with plasma to achieve a range of PCVs from 0% to 94%. Duplicate POCgluc and PCV measurements were obtained for each dilution; following POCgluc measurements, plasma samples were analyzed for glucose concentration by a clinical laboratory biochemical analyzer (LABgluc). A correction formula for POCgluc was developed. Measurements of POCgluc, PCV, and LABgluc were also determined from blood samples of 30 dogs admitted to the veterinary teaching hospital. RESULTS Values of LABgluc for each sample were similar at any PCV. As PCV decreased, POCgluc was falsely increased; as PCV increased, POCgluc was falsely decreased, compared with LABgluc. The absolute difference between POCgluc and LABgluc increased as the PCV changed from 50%. Compared with POCgluc, the corrected POCgluc had a significantly improved correlation with LABgluc, which was also reflected in improvements in Clarke and consensus error grid analyses. CONCLUSIONS AND CLINICAL RELEVANCE Results indicated that in dogs with hemodilution or hemoconcentration, POCgluc did not reflect actual patient glucose concentrations. Use of a correction formula reduced this error. Corrected POCgluc data had strong, significant correlations with LABgluc data.
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Affiliation(s)
- Selena L Lane
- Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, Athens, GA 30602
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Letters to the Editor. J Am Vet Med Assoc 2015. [DOI: 10.2460/javma.247.4.343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Fracassi F, Corradini S, Hafner M, Boretti FS, Sieber-Ruckstuhl NS, Reusch CE. Detemir insulin for the treatment of diabetes mellitus in dogs. J Am Vet Med Assoc 2015; 247:73-8. [DOI: 10.2460/javma.247.1.73] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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The effects of differing proportions of dietary macronutrients on the digestibility and post-prandial endocrine responses in domestic cats ( Felis catus). JOURNAL OF APPLIED ANIMAL NUTRITION 2015. [DOI: 10.1017/jan.2015.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
SummaryThe aim of this study was to compare the effects of feeding two diets with different macronutrient proportions (high protein, low carbohydrate and low protein, high carbohydrate) on the digestibility and post-prandial endocrine responses of cats fed at maintenance levels, and to evaluate the effectiveness of the marginal ear vein prick technique for the measurement of blood glucose levels in feline studies. Two diets were fed to 16 adult domestic short-haired cats for a period of three weeks (eight cats per diet). Following a seven-day dietary adaptation period, the apparent macronutrient digestibility of the two diets was determined (days 8-19) using the total faecal collection method. The faeces were freeze dried, ground and analysed for dry matter, crude protein, crude fat and gross energy and then apparent digestibility was calculated. On days 20 and 21, the post-prandial glucose responses of the cats fed a single meal of one of the two diets were measured in serial blood samples collected using the marginal ear vein prick technique.Results showed that the high protein, low carbohydrate diet had higher (p < 0.05) apparent digestibility of dry matter, crude protein, crude fat and energy, lower (p < 0.01) daily faecal output and smaller fluctuations in blood glucose concentrations. Despite the two groups of cats having similar calorific intakes, the cats fed the high protein diet lost weight over the study period, whereas those fed the high carbohydrate, low protein diet gained weight. The marginal ear vein prick technique proved to be an effective alternative to catheterisation for blood glucose determination. The high protein diet tested in the current study, in addition to being more aligned to the cat's natural carnivorous diet, may be beneficial for weight management and blood glucose control in cats.
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Klainbart S, Kelmer E, Vidmayer B, Bdolah-Abram T, Segev G, Aroch I. Peripheral and central venous blood glucose concentrations in dogs and cats with acute arterial thromboembolism. J Vet Intern Med 2014; 28:1513-9. [PMID: 25041102 PMCID: PMC4895584 DOI: 10.1111/jvim.12400] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2013] [Revised: 04/09/2014] [Accepted: 05/27/2014] [Indexed: 11/29/2022] Open
Abstract
Background Acute limb paralysis because of arterial thromboembolism (ATE) occurs in cats and less commonly in dogs. ATE is diagnosed based on physical examination findings and, occasionally, advanced imaging. Hypothesis/Objectives Peripheral, affected limb venous glucose concentration is decreased in ATE, whereas its systemic concentration is within or above reference interval. Animals Client‐owned cats and dogs were divided into 3 respective groups: acute limb paralysis because of ATE (22 cats and 9 dogs); acute limb paralysis secondary to orthopedic or neurologic conditions (nonambulatory controls; 10 cats and 11 dogs); ambulatory animals presented because of various diseases (ambulatory controls; 10 cats and 9 dogs). Methods Prospective observational, clinical study. Systemic and local (affected limb) blood glucose concentrations were measured. Their absolute and relative differences (ΔGlu and %ΔGlu, respectively) were compared among groups. Results ΔGlu and %ΔGlu were significantly higher in the ATE cats and dogs groups, compared to both of their respective controls (P < .0001 and P < .001, respectively). No significant differences were observed between the control groups. Receiver operator characteristics analysis of ΔGlu and %ΔGlu as predictors of ATE had area under the curve of 0.96 and 0.99 in cats, respectively, and 1.00 and 1.00, in dogs, respectively. ΔGlu cutoffs of 30 mg/dL and 16 mg/dL, in cats and dogs, respectively, corresponded to sensitivity and specificity of 100% and 90% in cats, respectively, and 100% in dogs. Conclusions and Clinical Importance ΔGlu and %ΔGlu are accurate, readily available, diagnostic markers of acute ATE in paralyzed cats and dogs.
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Affiliation(s)
- S Klainbart
- Hebrew University Veterinary Teaching Hospital, Koret School of Veterinary Medicine, Hebrew University of Jerusalem, Rehovot, Israel
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Brito-Casillas Y, Figueirinhas P, Wiebe JC, López-Ríos L, Pérez-Barreto D, Melián C, Wägner AM. ISO-based assessment of accuracy and precision of glucose meters in dogs. J Vet Intern Med 2014; 28:1405-13. [PMID: 24990398 PMCID: PMC4895580 DOI: 10.1111/jvim.12397] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2013] [Revised: 03/19/2014] [Accepted: 05/15/2014] [Indexed: 11/26/2022] Open
Abstract
Background Portable blood glucose meters (PBGMs) allow easy glucose measurements. As animal‐specific PBGMs are not available everywhere, those for humans are widely used. Objectives To assess the accuracy and precision of 9 PBGMs in canine whole blood (WB) and plasma, based on the ISO 15197:2013. Animals Fifty‐nine client‐owned dogs attending the Veterinary Teaching Hospital. Methods Analytical evaluation of 100 blood samples was performed for accuracy and 23 for precision (glucose 29–579 mg/dL) following ISO recommendations. A PBGM was considered accurate if 95% of the measurements were within ±15 mg/dL from the reference when glucose was <100 mg/dL and within ±15% when it was ≥100 mg/dL, and if 99% of them were within zones A and B in error grid analysis (EG). A hexokinase‐based analyzer was used as reference. Ninety samples were assessed for hematocrit interferences. Results Accuracy requirements were not fulfilled by any PBGM in WB (74% of measurements within the limits for the most accurate) and by 1 only in plasma. However, the EG analysis in WB was passed by 6 PBGM and by all in plasma. The most accurate were also the most precise, with coefficients of variation <5% in WB and <3% in plasma. Hematocrit correlated with bias against the reference method in 4 PBGM (r = −0.243 − [−0.371]; P < .021). Conclusions and Clinical Importance This disparity among PBGM suggests that meters approved for humans need to be evaluated before use in other species.
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Affiliation(s)
- Y Brito-Casillas
- Servicio de Endocrinología y Nutrición, Complejo Hospitalario Universitario Insular Materno Infantil de Gran Canaria, Las Palmas de Gran Canaria, Spain; Instituto Universitario de Investigaciones Biomédicas y Sanitarias, Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
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Selleri P, Di Girolamo N, Novari G. Performance of two portable meters and a benchtop analyzer for blood glucose concentration measurement in rabbits. J Am Vet Med Assoc 2014; 245:87-98. [DOI: 10.2460/javma.245.1.87] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Domori A, Sunahara A, Tateno M, Miyama TS, Setoguchi A, Endo Y. The clinical utility of two human portable blood glucose meters in canine and feline practice. Vet Clin Pathol 2014; 43:55-62. [PMID: 24446729 DOI: 10.1111/vcp.12115] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Portable blood glucose meters (PBGMs) are useful for serial measurements of blood glucose and creation of blood glucose curves in veterinary practice. However, it is necessary to validate PBGMs designed for people for veterinary use. OBJECTIVES Our objective was to evaluate the accuracy of 2 PBGMs designed for people for use in dogs and cats. METHODS The blood glucose levels were determined in blood samples collected from 69 dogs and 26 cats admitted to the Kagoshima University Veterinary Teaching Hospital, using a MEDISAFE [PBGM-T] and an Antsense III [PBGM-H], and a FUJI DRI-CHEM 7000V as reference method. The correlations and agreements among the results were statistically analyzed. RESULTS Simple regression analyses revealed a high correlation between values from both PBGMs and the reference method in both dogs and cats. However, Passing-Bablok regression and Bland-Altman analyses revealed that the data from both PBGMs did not show statistical agreement with the reference values. Concordance correlated coefficients were moderate for the PBGM-T and almost perfect for the PBGM-H for canine samples, and were poor for the PBGM-T and substantial for the PBGM-H for feline samples. Hematocrit values significantly affected the results of the PBGM-T, but not the PBGM-H. Error grid analyses revealed that all measurements from both PBGMs would lead to acceptable treatment decisions. CONCLUSIONS Our findings suggest that both PBGMs, especially the PBGM-H, would be clinically useful in small animal practice, although there was a bias between each PBGM and the reference method.
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Affiliation(s)
- Asuka Domori
- Laboratory of Small Animal Internal Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, Korimoto, Kagoshima, Japan
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Petritz OA, Antinoff N, Chen S, Kass PH, Paul-Murphy JR. Evaluation of portable blood glucose meters for measurement of blood glucose concentration in ferrets (Mustela putorius furo). J Am Vet Med Assoc 2013; 242:350-4. [PMID: 23327177 DOI: 10.2460/javma.242.3.350] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To evaluate agreement of 3 models of portable blood glucose meters (PBGMs; 2 designed for use with human samples and 1 designed for veterinary use) with a laboratory analyzer for measurement of blood glucose concentrations in ferrets (Mustela putorius furo). DESIGN Evaluation study. ANIMALS 52 ferrets. PROCEDURES Samples were analyzed with 4 PBGMs (whole blood) and a laboratory analyzer (plasma). Two PBGMs of the model designed for veterinary use were tested; each was set to a code corresponding to canine or feline sample analysis throughout the study. Agreement and bias between measurements obtained with the PBGMs and the laboratory analyzer were assessed with Bland-Altman plots. Linear regression analysis was performed to evaluate associations with venipuncture site by comparison of central (jugular) and peripheral (lateral saphenous or cephalic) venous blood samples. RESULTS Plasma glucose concentrations measured with the laboratory analyzer ranged from 41 to 160 mg/dL. Results from the PBGM for veterinary use coded to test a canine blood sample had the greatest agreement with the laboratory analyzer (mean bias, 1.9 mg/dL); all other PBGMs significantly underestimated blood glucose concentrations. A PBGM designed for use with human samples had the least agreement with the laboratory analyzer (mean bias, -34.0 mg/dL). Blood glucose concentration was not significantly different between central and peripheral venous blood samples for any analyzer used. CONCLUSIONS AND CLINICAL RELEVANCE Significant underestimation of blood glucose concentrations as detected for 3 of the 4 PBGMs used in the study could have a substantial impact on clinical decision making. Verification of blood glucose concentrations in ferrets with a laboratory analyzer is highly recommended.
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Affiliation(s)
- Olivia A Petritz
- Gulf Coast Avian & Exotics, Gulf Coast Veterinary Specialists, 1111 W Loop S, Ste 110, Houston, TX 77027, USA
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Practical use of home blood glucose monitoring in feline diabetics. Vet Clin North Am Small Anim Pract 2013; 43:283-301. [PMID: 23522173 DOI: 10.1016/j.cvsm.2012.12.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
With the use of handheld glucometers, most owners are able to regularly monitor their cat's blood glucose at home. The data generated from this protocol can be used by the clinician to better tailor insulin therapy to the patient. Along with improvements in long-acting insulin, and available low-carbohydrate, high-protein diets for cats, home blood glucose monitoring (home monitoring) allows for safe, intensive insulin therapy, which results in tighter glycemic control and improved case outcome, often including remission of the diabetic state.
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Acierno MJ, Schnellbacher R, Tully TN. Measuring the Level of Agreement Between a Veterinary and a Human Point-of-Care Glucometer and a Laboratory Blood Analyzer in Hispaniolan Amazon Parrots (Amazona ventralis). J Avian Med Surg 2012; 26:221-4. [DOI: 10.1647/2011-038r1.1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Zeugswetter FK, Schornsteiner E, Haimel G, Schwendenwein I. Metabolic and hormonal responses to subcutaneous glucagon in healthy beagles. J Vet Emerg Crit Care (San Antonio) 2012; 22:558-63. [DOI: 10.1111/j.1476-4431.2012.00793.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Florian K. Zeugswetter
- From the Department of Companion Animals and Horses; Clinic for Small Animals and Infectious Diseases; University of Veterinary Medicine Vienna; Vienna
| | - Elisa Schornsteiner
- From the Department of Companion Animals and Horses; Clinic for Small Animals and Infectious Diseases; University of Veterinary Medicine Vienna; Vienna
| | - Georg Haimel
- From the Department of Companion Animals and Horses; Clinic for Small Animals and Infectious Diseases; University of Veterinary Medicine Vienna; Vienna
| | - Ilse Schwendenwein
- Department of Pathobiology; Central Laboratory, University of Veterinary Medicine Vienna; Vienna; Austria
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Hambrook LE, Kudnig ST. Tumor thrombus formation in two dogs with insulinomas. J Am Vet Med Assoc 2012; 241:1065-9. [DOI: 10.2460/javma.241.8.1065] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Roomp K, Rand J. Evaluation of detemir in diabetic cats managed with a protocol for intensive blood glucose control. J Feline Med Surg 2012; 14:566-72. [PMID: 22553309 PMCID: PMC11104196 DOI: 10.1177/1098612x12446211] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
The aim of this study was to report outcomes using detemir and a protocol aimed at intensive blood glucose control with home monitoring in diabetic cats, and to compare the results with a previous study using the same protocol with glargine. Eighteen cats diagnosed with diabetes and previously treated with other insulins were included in the study. Data was provided by owners who joined the online German Diabetes-Katzen Forum. The overall remission rate was 67%. For cats that began the protocol before or after 6 months of diagnosis, remission rates were 81% and 42%, respectively (P = 0.14). No significant differences were identified between the outcomes for the glargine and detemir studies, with the exception of three possibly interrelated factors: a slightly older median age of the detemir cohort at diabetes diagnosis, a higher rate of chronic renal disease in the detemir cohort and lower maximal dose for insulin detemir.
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Affiliation(s)
- Kirsten Roomp
- Luxembourg Centre for Systems Biomedicine, University of Luxembourg, Luxembourg
| | - Jacquie Rand
- Centre for Companion Animal Health, School of Veterinary Science, The University of Queensland, Queensland, Australia
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Harcourt-Brown FM, Harcourt-Brown S. Clinical value of blood glucose measurement in pet rabbits. Vet Rec 2012; 170:674. [DOI: 10.1136/vr.100321] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- F. M. Harcourt-Brown
- Research Department of Clinical; Education and Health Psychology; University College London; London UK
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Abstract
Effective monitoring is essential for the management of dogs and cats with diabetes mellitus. However, methods for evaluating glycemic control must be tailored to meet both the needs of the patient and the expectations of the owner. This article discusses the philosophies that drive blood glucose monitoring in veterinary diabetics and review common practices. The advantages and limitations of the various options are presented.
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Affiliation(s)
- Audrey K Cook
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas 77843, USA.
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Maggiore AD, Nelson RW, Dennis J, Johnson E, Kass PH. Efficacy of Protamine Zinc Recombinant Human Insulin for Controlling Hyperglycemia in Dogs with Diabetes Mellitus. J Vet Intern Med 2011; 26:109-15. [DOI: 10.1111/j.1939-1676.2011.00861.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2011] [Revised: 11/13/2011] [Accepted: 11/23/2011] [Indexed: 11/26/2022] Open
Affiliation(s)
| | | | - J. Dennis
- BluePearl Specialty and Emergency Medicine for Pets-; Kansas City; Kansas City; KS
| | - E. Johnson
- Surgical and Radiological Sciences; School of Veterinary Medicine; University of California; Davis; CA
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Queau Y, Larsen J, Kass P, Glucksman G, Fascetti A. Factors Associated with Adverse Outcomes during parenteral Nutrition Administration in Dogs and Cats. J Vet Intern Med 2011; 25:446-52. [DOI: 10.1111/j.1939-1676.2011.0714.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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48
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Rucinsky R, Cook A, Haley S, Nelson R, Zoran DL, Poundstone M. AAHA diabetes management guidelines. J Am Anim Hosp Assoc 2010; 46:215-24. [PMID: 20439947 DOI: 10.5326/0460215] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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