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Karasová M, Blaňarová L, Tóthová C, Hrčková G, Kisková T, Ševčíková Z, Revajová V, Nagy O, Víchová B. Successful Transmammary Treatment of Babesia gibsoni Infection in Newborn Puppies after the Administration of Malarone ®, Azithromycin, and Artesunate to a Lactating Dam. Pathogens 2024; 13:562. [PMID: 39057789 PMCID: PMC11279716 DOI: 10.3390/pathogens13070562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 07/01/2024] [Accepted: 07/01/2024] [Indexed: 07/28/2024] Open
Abstract
Babesia gibsoni is a parasitic protozoan transmitted through tick bites and can cause severe disease in dogs. It can also be transmitted through direct contact with infected blood during dog fights, blood transfusions, and from dam to offspring during the perinatal period, resulting in stillborn or dead newborn puppies. This study aimed to determine the incidence of infection, the viability of newborn puppies, and the degree of B. gibsoni transmission from infected dam to offspring during pregnancy and lactation. Using PCR-based molecular methods, B. gibsoni infection in a pregnant American Pit Bull Terrier and her newborn puppies was confirmed. The incidence of B. gibsoni infection in the litter reached 75%. Out of eight puppies, six were infected with B. gibsoni, and one died. A therapeutic protocol comprising Malarone®, azithromycin, and artesunate was administered to a lactating B. gibsoni-positive bitch. By day 77 after birth, three out of five positive puppies showed negative PCR tests for B. gibsoni, indicating successful treatment through breast milk during nursing. In the two remaining positive puppies, therapy was started and parasitemia was successfully eliminated.
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Affiliation(s)
- Martina Karasová
- Small Animal Clinic, University of Veterinary Medicine and Pharmacy, 04001 Košice, Slovakia
| | - Lucia Blaňarová
- Department of Clinical Microbiology, St. Jakub’s Hospital with Polyclinic, 08501 Bardejov, Slovakia;
| | - Csilla Tóthová
- Clinic of Ruminants, University of Veterinary Medicine and Pharmacy, 04001 Košice, Slovakia; (C.T.); (O.N.)
| | - Gabriela Hrčková
- Laboratory of Experimental Pharmacology, Institute of Parasitology, Slovak Academy of Sciences, 04001 Košice, Slovakia;
| | - Terézia Kisková
- Department of Animal Physiology, Faculty of Science, University of Pavol Jozef Šafárik, 04180 Košice, Slovakia;
| | - Zuzana Ševčíková
- Department of Morphological Disciplines, University of Veterinary Medicine and Pharmacy, 04001 Košice, Slovakia; (Z.Š.); (V.R.)
| | - Viera Revajová
- Department of Morphological Disciplines, University of Veterinary Medicine and Pharmacy, 04001 Košice, Slovakia; (Z.Š.); (V.R.)
| | - Oskar Nagy
- Clinic of Ruminants, University of Veterinary Medicine and Pharmacy, 04001 Košice, Slovakia; (C.T.); (O.N.)
| | - Bronislava Víchová
- Laboratory of Molecular Ecology of Vectors, Institute of Parasitology, Slovak Academy of Sciences, 04001 Košice, Slovakia;
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Chromiak AE, Finstad J, Cooper E. Suspected cerebral salt wasting syndrome secondary to traumatic brain injury in a dog. J Vet Emerg Crit Care (San Antonio) 2024; 34:285-290. [PMID: 38809227 DOI: 10.1111/vec.13375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 01/14/2024] [Accepted: 03/21/2024] [Indexed: 05/30/2024]
Abstract
OBJECTIVE To describe a dog with suspected cerebral salt wasting syndrome (CSWS) secondary to traumatic brain injury (TBI). CASE SUMMARY A 2-month-old intact male Chihuahua-American Pitbull Terrier mix weighing 1.94 kg presented to a veterinary teaching emergency room after suffering bite wound-penetrating trauma to the head. Treatment was initiated with hyperosmotic agents, fluid resuscitation, and analgesia. The dog's neurologic dysfunction warranted hospitalization and continuous monitoring. Within 24 hours, the dog developed hyponatremia (133 mmol/L compared to 143 mmol/L on presentation [reference interval 142-149 mmol/L]). As the dog had concurrent tachycardia, increase in urine sodium concentration, polyuria, and weight loss, a diagnosis of cerebral salt wasting was suspected. A 2% hypertonic saline constant rate infusion was administered for volume replacement, and the patient showed improvement in clinical signs and blood sodium concentration. The dog was discharged on Day 5. Recheck examination showed significant neurologic improvement with sodium just below the low end of the reference range (141 mmol/L [reference interval 142-149 mmol/L]). NEW OR UNIQUE INFORMATION PROVIDED This is the first description of suspected CSWS in veterinary medicine. Hyponatremia is a common finding in critically ill neurologic people, including those with TBI, and is typically associated with either syndrome of inappropriate antidiuretic hormone or CSWS. As treatment recommendations for syndrome of inappropriate antidiuretic hormone and CSWS are diametrically opposed, identifying the presence of hyponatremia and distinguishing between these 2 clinical entities is critical for improving patient care for those with TBI. This case highlights the characteristics and clinical progression regarding the diagnosis and management of suspected CSWS.
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Affiliation(s)
- Amanda E Chromiak
- Department of Veterinary Clinical Sciences, The Ohio State University College of Veterinary Medicine, Columbus, Ohio, USA
| | - Joanna Finstad
- Department of Veterinary Clinical Sciences, The Ohio State University College of Veterinary Medicine, Columbus, Ohio, USA
| | - Edward Cooper
- Department of Veterinary Clinical Sciences, The Ohio State University College of Veterinary Medicine, Columbus, Ohio, USA
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Perez‐Ecija A, Martinez C, Fernandez‐Castañer J, Mendoza FJ. Utility of immature platelet fraction in the Sysmex XN-1000V for the differential diagnosis of central and peripheral thrombocytopenia in dogs and cats. J Vet Intern Med 2024; 38:1512-1519. [PMID: 38619127 PMCID: PMC11099766 DOI: 10.1111/jvim.17074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 03/28/2024] [Indexed: 04/16/2024] Open
Abstract
BACKGROUND The immature platelet fraction (IPF), a parameter obtained by the Sysmex XN-1000V analyzer, is used in humans to differentiate between central (CEN) and peripheral (PER) thrombocytopenia (TP) but has not been evaluated in small animals. OBJECTIVES Compare IPF between healthy, clinical non-TP and TP dogs and cats, study IPF in different causes of TP in dogs and cats and, establish IPF reference intervals (RIs), and study the effect of age and sex on IPF in healthy dogs and cats. ANIMALS A total of 3281 dogs and 726 cats. METHODS Retrospective review of medical records. Animals were classified as nonthrombocytopenic (healthy group and group of clinical patients without TP [NTP]) or TP. These latter animals were subclassified as pseudothrombocytopenia (PSE), CEN and PER, based on evaluation of platelet clumps, estimated platelet count in blood smears and final diagnosis. Blood samples were evaluated using a Sysmex XN-1000V with a specific platelet channel (PLT-F). RESULTS The IPF was significantly different between each subtype of TP in both species. Immature platelet fractions <6.9% in dogs or 13.6% in cats, once PSE has been eliminated by review of blood smears, are indicative of CEN. Reference intervals for IPF were 0.5%-8% in healthy dogs and 1%-40.3% in healthy cats. CONCLUSIONS AND CLINICAL IMPORTANCE We determined that IPF can differentiate between CEN and PER in dogs and cats, guiding additional testing and avoiding more invasive procedures (bone marrow sampling). A blood smear always should be evaluated to rule out platelet clumping.
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Affiliation(s)
- Alejandro Perez‐Ecija
- Department of Animal Medicine and SurgeryUniversity of Cordoba, Campus RabanalesCordobaSpain
| | - Carmen Martinez
- Department of Animal Medicine and SurgeryUniversity of Cordoba, Campus RabanalesCordobaSpain
- Veterinary Teaching HospitalUniversity of Cordoba, Campus RabanalesCordobaSpain
| | | | - Francisco J. Mendoza
- Department of Animal Medicine and SurgeryUniversity of Cordoba, Campus RabanalesCordobaSpain
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Sahraei H, Mogheiseh A, Nazifi S, Divar M, Iraji F. Canine and feline foetal fluids: Volume, hormonal and biochemical characterization during pregnancy. Vet Med Sci 2024; 10:e1452. [PMID: 38654677 PMCID: PMC11040235 DOI: 10.1002/vms3.1452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 01/12/2024] [Accepted: 04/04/2024] [Indexed: 04/26/2024] Open
Abstract
BACKGROUND AND OBJECTIVES This study aimed to evaluate the volume, the concentration of steroid hormones, and biochemical composition of the foetal fluids at different gestational ages in dogs and cats. METHODS Following the ovariohysterectomy, the allantoic and amniotic fluid samples were collected from pregnant bitches and queens and were assigned to different groups according to their gestational age. RESULTS The canine and feline allantoic fluid volume increased during pregnancy, reached its maximum values on days 40-49 and then decreased. The canine and feline amniotic fluid volume increased steadily by the last days of pregnancy. In spite of significant changes of sex hormones in the foetal fluids, their concentration and ratios were not significantly different between male and female fetuses. The canine amniotic cortisol concentration increased until days 40-49 and decreased significantly afterwards. The maximum cortisol concentrations in the feline allantoic and amniotic fluids were observed on days 50-60 and 40-49, respectively. During the canine pregnancy, the concentrations of calcium, phosphorus, chloride, sodium, triglyceride, cholesterol, total protein, albumin and the activities of aminotransferase (AST), alkaline phosphatase (ALP), amylase and gamma-glutamyl transferase (GGT) in the amniotic fluid were higher than the allantoic fluid. The magnesium, potassium, lactate dehydrogenase (LDH) activity, creatine and lipase were higher in the allantoic fluid. In the feline allantoic fluid, potassium, magnesium, phosphorus, creatinine, albumin and glucose concentrations and the activities of creatine kinase (CK), GGT, LDH and lipase were higher. The ALP, AST activities, sodium and calcium concentrations were higher in the amniotic fluid (p < 0.05). CONCLUSION Volume of foetal fluids was determined in dogs and cats. Concentration of sex hormones did not different between male and female fetuses.
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Affiliation(s)
- Hossein Sahraei
- Department of clinical Sciences, School of Veterinary MedicineShiraz UniversityShirazFarsIran
| | - Asghar Mogheiseh
- Department of clinical Sciences, School of Veterinary MedicineShiraz UniversityShirazFarsIran
| | - Saeed Nazifi
- Department of clinical Sciences, School of Veterinary MedicineShiraz UniversityShirazFarsIran
| | - Mohammad‐Reza Divar
- Department of clinical Sciences, School of Veterinary MedicineShiraz UniversityShirazFarsIran
| | - Fatemeh Iraji
- Department of clinical Sciences, School of Veterinary MedicineShiraz UniversityShirazFarsIran
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Becher A, Acke E, Serrano G, Kiefer I, Alef M, von Bomhard W, Heilmann RM. Evaluation of the Blood Neutrophil-to-Lymphocyte Ratio (NLR) as a Diagnostic and Prognostic Biomarker in Dogs with Portosystemic Shunt. Vet Sci 2024; 11:80. [PMID: 38393098 PMCID: PMC10893402 DOI: 10.3390/vetsci11020080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 01/29/2024] [Accepted: 02/07/2024] [Indexed: 02/25/2024] Open
Abstract
The neutrophil-to-lymphocyte ratio (NLR) can help in assessing inflammatory diseases, sepsis, and chronic hepatic conditions in humans. Dogs with congenital portosystemic shunts (PSSs) have signs of generalized inflammation, and the clinical signs can overlap with other conditions, including hypoadrenocorticism (HOC). Thus, the potential diagnostic and prognostic value of leukocyte ratios as surrogate markers was assessed in a retrospective case-control study including 106 dogs diagnosed with PSSs. The disease control groups were dogs with parenchymal hepatopathy (PH; n = 22) or HOC (n = 31). In the PSS dogs, the blood NLRs were associated with the severity of systemic inflammation but not with the shunt type, hepatoencephalopathy, systemic infection, or hypoglycemia. The baseline NLRs did not differ between the three disease groups, between medically and surgically treated PSS dogs, or between those with successful PSS ligation and dogs experiencing peri-/post-surgical complications. However, dogs requiring two consecutive surgical interventions had significantly higher NLRs, and an NLR of <2.53 distinguished dogs with successful shunt ligation in one surgery from those requiring two consecutive surgeries for PSS closure. The blood NLR might be a useful clinicopathologic variable in PSS, but its value in helping differentiate PSS from HOC cases appears low. Integrating the NLR into a diagnostic algorithm may allow for a prediction of the number of surgical interventions required.
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Affiliation(s)
- Anja Becher
- Department for Small Animals, Veterinary Teaching Hospital, College of Veterinary Medicine, University of Leipzig, 04103 Leipzig, SN, Germany; (A.B.); (E.A.); (I.K.); (M.A.)
| | - Els Acke
- Department for Small Animals, Veterinary Teaching Hospital, College of Veterinary Medicine, University of Leipzig, 04103 Leipzig, SN, Germany; (A.B.); (E.A.); (I.K.); (M.A.)
- IDEXX Vet Med Labor GmbH, 70806 Kornwestheim, BW, Germany
| | - Gonçalo Serrano
- Small Animal Department, Faculty of Veterinary Medicine, Ghent University, 9820 Merelbeke, Belgium;
- AniCura Haaglanden Specialist Referral Centre, 2288 EZ Rijswijk, The Netherlands
| | - Ingmar Kiefer
- Department for Small Animals, Veterinary Teaching Hospital, College of Veterinary Medicine, University of Leipzig, 04103 Leipzig, SN, Germany; (A.B.); (E.A.); (I.K.); (M.A.)
| | - Michaele Alef
- Department for Small Animals, Veterinary Teaching Hospital, College of Veterinary Medicine, University of Leipzig, 04103 Leipzig, SN, Germany; (A.B.); (E.A.); (I.K.); (M.A.)
| | - Wolf von Bomhard
- Antech Specialty Center for Veterinary Pathology, 81477 Munich, BY, Germany;
| | - Romy M. Heilmann
- Department for Small Animals, Veterinary Teaching Hospital, College of Veterinary Medicine, University of Leipzig, 04103 Leipzig, SN, Germany; (A.B.); (E.A.); (I.K.); (M.A.)
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Zhang Y, Bi J, Ning Y, Feng J. Methodology Advances in Vertebrate Age Estimation. Animals (Basel) 2024; 14:343. [PMID: 38275802 PMCID: PMC10812784 DOI: 10.3390/ani14020343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/09/2024] [Accepted: 01/18/2024] [Indexed: 01/27/2024] Open
Abstract
Age is a core metric in vertebrate management, and the correct estimation of the age of an individual plays a principal role in comprehending animal behavior, identifying genealogical information, and assessing the potential reproductive capacity of populations. Vertebrates have a vertebral column and a distinct head containing a developed brain; they have played an important role in the study of biological evolution. However, biological age estimations constantly exhibit large deviations due to the diversity of vertebrate taxon species, sample types, and determination methods. To systematically and comprehensively understand age estimation methods in different situations, we classify the degree of damage to vertebrates during sample collection, present the sample types and their applications, list commonly applied methods, present methodological recommendations based on the combination of accuracy and implementability, and, finally, predict future methods for vertebrate age assessments, taking into account the current level of research and requirements. Through comprehensive data gathering and compilation, this work serves as an introduction and summary for those who are eager to catch up on related fields and facilitates the rapid and accurate selection of an evaluation method for researchers engaged in related research. This is essential to promote animal conservation and guide the smooth implementation of conservation management plans.
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Affiliation(s)
- Yifei Zhang
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (Y.Z.); (J.B.)
- Jilin Provincial International Cooperation Key Laboratory for Biological Control of Agricultural Pests, Changchun 130118, China
| | - Jinping Bi
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (Y.Z.); (J.B.)
- Jilin Provincial International Cooperation Key Laboratory for Biological Control of Agricultural Pests, Changchun 130118, China
| | - Yao Ning
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (Y.Z.); (J.B.)
- Jilin Provincial International Cooperation Key Laboratory for Biological Control of Agricultural Pests, Changchun 130118, China
| | - Jiang Feng
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (Y.Z.); (J.B.)
- Jilin Provincial International Cooperation Key Laboratory for Biological Control of Agricultural Pests, Changchun 130118, China
- Jilin Provincial Key Laboratory of Animal Resource Conservation and Utilization, Northeast Normal University, Changchun 130117, China
- Key Laboratory of Vegetation Ecology of Education Ministry, Institute of Grassland Science, Northeast Normal University, Changchun 130024, China
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Perez-Ecija A, Martinez C, Fernandez-Castañer J, Mendoza FJ. The Immature Reticulocyte Fraction (IRF) in the Sysmex XN-1000V Analyzer Can Differentiate between Causes of Regenerative and Non-Regenerative Anemia in Dogs and Cats. Animals (Basel) 2024; 14:349. [PMID: 38275808 PMCID: PMC10812539 DOI: 10.3390/ani14020349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/09/2024] [Accepted: 01/19/2024] [Indexed: 01/27/2024] Open
Abstract
The Sysmex XN-1000V analyzer can identify those reticulocytes with high RNA content and fluorescence, providing the immature reticulocyte fraction (IRF). While this parameter has been used in human medicine to identify the cause of anemia, few studies have focused on its use in veterinary medicine. In this study, we determined the IRF and related reticulocyte parameters in a large population of non-anemic and anemic dogs and cats (subclassified depending on the origin of their anemia). The IRF was significantly higher in hemolytic anemias compared to hemorrhagic ones in both species. Moreover, the IRF was significantly lower in dogs and cats with bone marrow failure than in other non-regenerative anemias and in both groups compared to pre-regenerative anemias. The accurate cut-off values for the differential in regenerative anemias and reference ranges for both species using the Sysmex XN-1000V are also reported. The measurement of the IRF in this analyzer can help clinicians to further classify the type of anemia in both species.
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Affiliation(s)
- Alejandro Perez-Ecija
- Department of Animal Medicine and Surgery, University of Cordoba, Campus Rabanales, Road Madrid-Cadiz km 396, 14104 Cordoba, Spain; (C.M.); (F.J.M.)
- Veterinary Teaching Hospital, University of Cordoba, Campus Rabanales, Road Madrid-Cadiz km 396, 14104 Cordoba, Spain;
| | - Carmen Martinez
- Department of Animal Medicine and Surgery, University of Cordoba, Campus Rabanales, Road Madrid-Cadiz km 396, 14104 Cordoba, Spain; (C.M.); (F.J.M.)
- Veterinary Teaching Hospital, University of Cordoba, Campus Rabanales, Road Madrid-Cadiz km 396, 14104 Cordoba, Spain;
| | - Julio Fernandez-Castañer
- Veterinary Teaching Hospital, University of Cordoba, Campus Rabanales, Road Madrid-Cadiz km 396, 14104 Cordoba, Spain;
| | - Francisco J. Mendoza
- Department of Animal Medicine and Surgery, University of Cordoba, Campus Rabanales, Road Madrid-Cadiz km 396, 14104 Cordoba, Spain; (C.M.); (F.J.M.)
- Veterinary Teaching Hospital, University of Cordoba, Campus Rabanales, Road Madrid-Cadiz km 396, 14104 Cordoba, Spain;
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Massat MJ, Myles M, DeJong K, Ballard C, Drag M, Malinski TJ. Plasma chemistry reference intervals for adult multi-drug-resistance gene deficient Collies. Vet Clin Pathol 2023; 52:737-743. [PMID: 37475133 DOI: 10.1111/vcp.13286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 05/04/2023] [Accepted: 06/18/2023] [Indexed: 07/22/2023]
Abstract
BACKGROUND Differences in the reference intervals between dog breeds have been recognized for many years. Due to the importance of multi-drug-resistance 1-deficient (MDR1) Collies in veterinary medicine, it is important to determine whether breed-specific reference intervals are needed for this group. OBJECTIVES The goal of this study was to establish plasma chemistry reference intervals for adult MDR1-deficient Collies. METHODS Plasma samples collected from 110 healthy male and female adult MDR1-deficient Collies were analyzed for 21 analytes on a Beckman AU480 clinical chemistry analyzer. Reference intervals were established using a nonparametric statistical method. RESULTS Reference intervals were established for 21 biochemical measurands in healthy adult MDR1-deficient Collies. CONCLUSION Plasma chemistry reference intervals for MDR1-deficient Collies were clinically similar to intervals earlier created for Beagles. Intervals for male and female MDR1-deficient Collies were very similar to each other.
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Affiliation(s)
- M Joan Massat
- Boehringer Ingelheim Animal Health at Missouri Research Center, Missouri, Fulton, USA
| | - Matthew Myles
- Boehringer Ingelheim Animal Health at Missouri Research Center, Missouri, Fulton, USA
| | - Keith DeJong
- Boehringer Ingelheim Animal Health at Missouri Research Center, Missouri, Fulton, USA
| | - Chelsea Ballard
- Boehringer Ingelheim Animal Health at Missouri Research Center, Missouri, Fulton, USA
| | - Marlene Drag
- Boehringer Ingelheim Animal Health at Missouri Research Center, Missouri, Fulton, USA
| | - Thomas J Malinski
- Boehringer Ingelheim Animal Health at Missouri Research Center, Missouri, Fulton, USA
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Johnson MM, Gicking JC, Keys DA. Evaluation of red blood cell distribution width, neutrophil-to-lymphocyte ratio, and other hematologic parameters in canine acute pancreatitis. J Vet Emerg Crit Care (San Antonio) 2023; 33:587-597. [PMID: 37573255 DOI: 10.1111/vec.13325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 06/15/2022] [Accepted: 06/20/2022] [Indexed: 08/14/2023]
Abstract
OBJECTIVE To determine if RBC distribution width (RDW), neutrophil-to-lymphocyte ratio (NLR), and other hematological parameters are associated with increased odds of in-hospital mortality, increased length of hospitalization (LOH), or disease severity as measured by the Canine Acute Pancreatitis Severity (CAPS) score in dogs with acute pancreatitis (AP). DESIGN Retrospective, multicenter study from January 2016 to August 2020. SETTING Four private emergency and specialty referral centers. ANIMALS On initial case search, 118 client-owned dogs were identified with a clinical diagnosis of AP. Out of these cases, 114 dogs met inclusion criteria, defined as sudden onset of ≥2 compatible clinic signs (lethargy, anorexia, vomiting, or abdominal pain), a specific canine pancreatic lipase concentration >400 μg/L, hospital admission, as well as CBC and serum biochemistry run within 48 hours of initial hospitalization. Disease severity was calculated and measured using the CAPS score, in addition to LOH and in-hospital mortality. INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS Clinical endpoints were in-hospital mortality, LOH, and disease severity, as evaluated by the CAPS score. Overall in-hospital mortality was 36.8%. NLR was significantly associated with survival, with a higher percentage being associated with an increased likelihood of nonsurvival (odds ratio: 1.1, 95% confidence interval: 1.0-1.2; P = 0.006, adjusted P = 0.04). Increased NLR was found to be significantly associated with a longer LOH based on the unadjusted P-value (P = 0.02) but was not statistically significant based on a P-value adjusted for multiple comparisons (P = 0.12). No significant associations were noted when RDW, platelet-to-lymphocyte ratio, WBC count, mean platelet volume, RDW-to-platelet ratio, or RDW-to-total serum calcium ratio was evaluated against outcome measures. CONCLUSIONS This study retrospectively evaluated the prognostic utility of several readily available hematological parameters in dogs hospitalized for AP. Dogs with an increased NLR may have a higher risk of in-hospital mortality and increased LOH, although future prospective studies are necessary to confirm these findings.
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Affiliation(s)
- Meghan M Johnson
- Emergency & Critical Care Service, BluePearl Specialty + Emergency Pet Hospital, Lafayette, Colorado, USA
| | - John C Gicking
- Emergency & Critical Care Service, BluePearl Specialty + Emergency Pet Hospital, Tampa, Florida, USA
| | - Deborah A Keys
- Kaleidoscope Statistics Veterinary Medical Research Consulting, Athens, Georgia, USA
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Hall H, Williams T, Florey J, Moreno MP, Black V, Thompson D, Skelly B. Prevalence of hypercalcemia in primary hypoadrenocorticism in dogs: Multicenter, retrospective study. J Vet Intern Med 2023; 37:1685-1693. [PMID: 37382221 PMCID: PMC10472996 DOI: 10.1111/jvim.16786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Accepted: 05/21/2023] [Indexed: 06/30/2023] Open
Abstract
BACKGROUND Hypoadrenocorticism is an important differential for hypercalcemia. The etiology of hypercalcemia in hypoadrenocorticism in dogs is unclear. OBJECTIVE To review the prevalence of hypercalcemia and use statistical models to identify clinical, demographic, and biochemical variables associated with hypercalcemia in dogs with primary hypoadrenocorticism. ANIMALS One hundred ten dogs with primary hypoadrenocorticism; 107 with recorded total calcium (TCa), 43 recorded ionized calcium (iCa). METHODS Multicenter retrospective observational study at 4 UK referral hospitals. Univariable logistic regression analyses were performed to assess the association between independent variables of signalment, hypoadrenocorticism type (glucocorticoid only deficient hypoadrenocorticism [GHoC] vs glucocorticoid and mineralocorticoid deficient hypoadrenocorticism [GMHoC]), clinicopathological variables and hypercalcemia. Hypercalcemia was defined as elevated TCa, an elevated iCa, or both elevated TCa and iCa (Model 1) or as elevated iCa (Model 2). RESULTS Overall prevalence of hypercalcemia was 34.5% (38/110). The odds of hypercalcemia (Model 1) were increased (P < .05) in dogs with GMHoC ([vs GHoC], OR [odds ratio] = 3.86, 95% confidence interval [CI] 1.105-13.463), higher serum creatinine (OR = 1.512, 95% CI 1.041-2.197), and higher serum albumin (OR = 4.187, 95% CI 1.744-10.048). The odds of ionized hypercalcemia (Model 2) were increased (P < .05) with reduced serum potassium concentration (OR = 0.401, 95% CI 0.184-0.876) and younger age (OR = 0.737, 95% CI 0.558-0.974). CONCLUSIONS AND CLINICAL IMPORTANCE This study identified several key clinical and biochemical variables associated with hypercalcemia in dogs with primary hypoadrenocorticism. These findings aid understanding of the pathophysiology and etiology of hypercalcemia in dogs with primary hypoadrenocorticism.
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Affiliation(s)
- Harriet Hall
- Department of Veterinary Medicine, Queen's Veterinary School HospitalUniversity of CambridgeCambridgeUnited Kingdom
- Dick White Referrals, Six Mile BottomCambridgeshireUnited Kingdom
| | - Timothy Williams
- Department of Veterinary Medicine, Queen's Veterinary School HospitalUniversity of CambridgeCambridgeUnited Kingdom
| | - Jessica Florey
- Dick White Referrals, Six Mile BottomCambridgeshireUnited Kingdom
| | | | - Victoria Black
- Langford VetsBristol Veterinary School, Langford HouseLangford BS40 5DUUnited Kingdom
| | - Daniel Thompson
- Davies Veterinary Specialists, Manor Farm Business Park, Higham GobionHitchinUnited Kingdom
| | - Barbara Skelly
- Department of Veterinary Medicine, Queen's Veterinary School HospitalUniversity of CambridgeCambridgeUnited Kingdom
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Heinonen T, Flegel T, Müller H, Kehl A, Hundi S, Matiasek K, Fischer A, Donner J, Forman OP, Lohi H, Hytönen MK. A loss-of-function variant in canine GLRA1 associates with a neurological disorder resembling human hyperekplexia. Hum Genet 2023; 142:1221-1230. [PMID: 37222814 PMCID: PMC10449970 DOI: 10.1007/s00439-023-02571-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 05/08/2023] [Indexed: 05/25/2023]
Abstract
Hereditary hyperekplexia is a rare neuronal disorder characterized by an exaggerated startle response to sudden tactile or acoustic stimuli. In this study, we present a Miniature Australian Shepherd family showing clinical signs, which have genetic and phenotypic similarities with human hereditary hyperekplexia: episodes of muscle stiffness that could occasionally be triggered by acoustic stimuli. Whole genome sequence data analysis of two affected dogs revealed a 36-bp deletion spanning the exon-intron boundary in the glycine receptor alpha 1 (GLRA1) gene. Further validation in pedigree samples and an additional cohort of 127 Miniature Australian Shepherds, 45 Miniature American Shepherds and 74 Australian Shepherds demonstrated complete segregation of the variant with the disease, according to an autosomal recessive inheritance pattern. The protein encoded by GLRA1 is a subunit of the glycine receptor, which mediates postsynaptic inhibition in the brain stem and spinal cord. The canine GLRA1 deletion is located in the signal peptide and is predicted to cause exon skipping and subsequent premature stop codon resulting in a significant defect in glycine signaling. Variants in GLRA1 are known to cause hereditary hyperekplexia in humans; however, this is the first study to associate a variant in canine GLRA1 with the disorder, establishing a spontaneous large animal disease model for the human condition.
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Affiliation(s)
- Tiina Heinonen
- Department of Medical and Clinical Genetics, University of Helsinki, Helsinki, Finland
- Folkhälsan Research Center, Helsinki, Finland
- Department of Veterinary Biosciences, University of Helsinki, Helsinki, Finland
| | - Thomas Flegel
- Department of Small Animals, Leipzig University, Leipzig, Germany
| | - Hanna Müller
- Tieraerztliches Fachzentrum Muehlhausen Dr. Ortmann & Dr. Stief, Muehlhausen/Thueringen, Germany
| | | | - Sruthi Hundi
- Department of Medical and Clinical Genetics, University of Helsinki, Helsinki, Finland
- Folkhälsan Research Center, Helsinki, Finland
- Department of Veterinary Biosciences, University of Helsinki, Helsinki, Finland
| | - Kaspar Matiasek
- Section of Clinical and Comparative Neuropathology, Institute of Veterinary Pathology, Centre for Clinical Veterinary Medicine, LMU Munich, Munich, Germany
| | - Andrea Fischer
- Clinic of Small Animal Medicine, Centre for Clinical Veterinary Medicine, LMU Munich, Munich, Germany
| | - Jonas Donner
- Wisdom Panel Research Team, Wisdom Panel, Kinship, Helsinki, Finland
| | - Oliver P Forman
- Wisdom Panel Research Team, Wisdom Panel, Kinship, Leicestershire, UK
| | - Hannes Lohi
- Department of Medical and Clinical Genetics, University of Helsinki, Helsinki, Finland.
- Folkhälsan Research Center, Helsinki, Finland.
- Department of Veterinary Biosciences, University of Helsinki, Helsinki, Finland.
| | - Marjo K Hytönen
- Department of Medical and Clinical Genetics, University of Helsinki, Helsinki, Finland.
- Folkhälsan Research Center, Helsinki, Finland.
- Department of Veterinary Biosciences, University of Helsinki, Helsinki, Finland.
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12
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Wang XM, Ming K, Wang S, Wang J, Li PL, Tian RF, Liu SY, Cheng X, Chen Y, Shi W, Wan J, Hu M, Tian S, Zhang X, She ZG, Li H, Ding Y, Zhang XJ. Network-based analysis identifies key regulatory transcription factors involved in skin aging. Exp Gerontol 2023; 178:112202. [PMID: 37178875 DOI: 10.1016/j.exger.2023.112202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 05/07/2023] [Accepted: 05/08/2023] [Indexed: 05/15/2023]
Abstract
Skin aging is a complex process involving intricate genetic and environmental factors. In this study, we performed a comprehensive analysis of the transcriptional regulatory landscape of skin aging in canines. Weighted Gene Co-expression Network Analysis (WGCNA) was employed to identify aging-related gene modules. We subsequently validated the expression changes of these module genes in single-cell RNA sequencing (scRNA-seq) data of human aging skin. Notably, basal cell (BC), spinous cell (SC), mitotic cell (MC), and fibroblast (FB) were identified as the cell types with the most significant gene expression changes during aging. By integrating GENIE3 and RcisTarget, we constructed gene regulation networks (GRNs) for aging-related modules and identified core transcription factors (TFs) by intersecting significantly enriched TFs within the GRNs with hub TFs from WGCNA analysis, revealing key regulators of skin aging. Furthermore, we demonstrated the conserved role of CTCF and RAD21 in skin aging using an H2O2-stimulated cell aging model in HaCaT cells. Our findings provide new insights into the transcriptional regulatory landscape of skin aging and unveil potential targets for future intervention strategies against age-related skin disorders in both canines and humans.
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Affiliation(s)
- Xiao-Ming Wang
- School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China; Institute of Model Animal, Wuhan University, Wuhan 430071, China
| | - Ke Ming
- School of Life Sciences, Hubei University, Wuhan 430062, China
| | - Shuang Wang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Jia Wang
- Institute of Model Animal, Wuhan University, Wuhan 430071, China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Peng-Long Li
- School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China; Institute of Model Animal, Wuhan University, Wuhan 430071, China
| | - Rui-Feng Tian
- Institute of Model Animal, Wuhan University, Wuhan 430071, China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Shuai-Yang Liu
- School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China; Institute of Model Animal, Wuhan University, Wuhan 430071, China
| | - Xu Cheng
- Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou 341000, China; Key Laboratory of Cardiovascular Disease Prevention and Control, Ministry of Education, First Affiliated Hospital, Gannan Medical University, Ganzhou 341000, China
| | - Yun Chen
- Department of Cardiology, Huanggang Central Hospital, Huanggang 438000, China
| | - Wei Shi
- School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China; Institute of Model Animal, Wuhan University, Wuhan 430071, China
| | - Juan Wan
- Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou 341000, China
| | - Manli Hu
- Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou 341000, China; Key Laboratory of Cardiovascular Disease Prevention and Control, Ministry of Education, First Affiliated Hospital, Gannan Medical University, Ganzhou 341000, China
| | - Song Tian
- School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China; Institute of Model Animal, Wuhan University, Wuhan 430071, China
| | - Xin Zhang
- Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou 341000, China; Key Laboratory of Cardiovascular Disease Prevention and Control, Ministry of Education, First Affiliated Hospital, Gannan Medical University, Ganzhou 341000, China
| | - Zhi-Gang She
- Institute of Model Animal, Wuhan University, Wuhan 430071, China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Hongliang Li
- School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China; Institute of Model Animal, Wuhan University, Wuhan 430071, China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou 341000, China; Medical Science Research Center, Zhongnan Hospital of Wuhan University, Wuhan 430071, China.
| | - Yi Ding
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
| | - Xiao-Jing Zhang
- School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China; Institute of Model Animal, Wuhan University, Wuhan 430071, China.
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13
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Söderlund EE, Kyröläinen H, Laitinen-Vapaavuori OM, Hyytiäinen HK. Proposed Protocol for Field Testing of Endurance Fitness of Young Labrador Retrievers. Methods Protoc 2023; 6:61. [PMID: 37489428 PMCID: PMC10366876 DOI: 10.3390/mps6040061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 06/26/2023] [Accepted: 06/27/2023] [Indexed: 07/26/2023] Open
Abstract
The number of dogs and, with it, dog sports are growing in popularity, and the training of dogs begins at an early age. Although fitness testing is an imperative part of purposeful training and sports, to our knowledge, no objective field tests are available for measuring young dogs' endurance fitness. The aim of this study is to describe a simple, easy-to-repeat, and inexpensive way to test training intervention effects on endurance fitness in young Labrador Retrievers. Healthy client-owned 16-week-old Labrador Retrievers will be recruited and divided into test and control groups. The test group will have an eight-week training program followed by a four-week detraining period, while the control group will live a normal puppy life. All dogs will be tested for endurance fitness four times at four-week intervals: at baseline, one month later, two months later at the end of the training period, and one month after ending the training program. Each of the four testing sessions will be identical and will consist of four measurements of heart rate (HR) and blood lactate (BL): at baseline, after trotting 1000 m, after sprinting 200 m, and at recovery 5-8 min after the sprint. The training-induced changes in endurance fitness are evaluated by changes in HR and heart rate recovery times (HRR), BL, and running times.
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Affiliation(s)
- Ella-Erika Söderlund
- Department of Clinical Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, 00014 Helsinki, Finland
| | - Heikki Kyröläinen
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, 40014 Jyväskylä, Finland
| | - Outi M Laitinen-Vapaavuori
- Department of Clinical Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, 00014 Helsinki, Finland
| | - Heli K Hyytiäinen
- Department of Clinical Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, 00014 Helsinki, Finland
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14
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Lindsay SA, Fulham M, Caraguel CGB, Gray R. Mitigating disease risk in an endangered pinniped: early hookworm elimination optimizes the growth and health of Australian sea lion pups. Front Vet Sci 2023; 10:1161185. [PMID: 37180065 PMCID: PMC10168540 DOI: 10.3389/fvets.2023.1161185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 04/04/2023] [Indexed: 05/15/2023] Open
Abstract
The Australian sea lion (Neophoca cinerea) experiences high pup mortality of seasonally alternating severity, partly attributed to endemic hookworm (Uncinaria sanguinis) infection. To further explore health outcomes of early hookworm elimination, a treatment trial was conducted at Seal Bay Conservation Park, South Australia, over consecutive lower and higher mortality breeding seasons (2019, 19.2%; 2020-1; 28.9%). Pups (n = 322) were stratified into two age cohorts (median 14 d and 24 d recruitment ages) and randomly assigned to treated (topical ivermectin 500 μg/kg) or control (untreated) groups. A younger prepatent cohort <14 d old (median 10 d) was identified a posteriori. A seasonally independent growth benefit resulted from hookworm elimination across all age cohorts. The greatest relative improvements (bodyweight + 34.2%, standard length + 42.1%; p ≤ 0.001) occurred in the month post-treatment, in the youngest prepatent cohort. A significant benefit of lesser magnitude (bodyweight + 8.6-11.6%, standard length + 9.5-18.4%; p ≤ 0.033) persisted up to 3 months across all age cohorts - greatest in the youngest pups. Treatment resulted in immediate improvement in hematological measures of health - decreased anemia and inflammation severity (p ≤ 0.012). These results enhance our understanding of host-parasite-environment interactions within the context of hematological ontogenesis, confirm the seasonally independent benefits of hookworm disease intervention, and further inform conservation recommendations for this endangered species.
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Affiliation(s)
- Scott A. Lindsay
- Faculty of Science, Sydney School of Veterinary Science, The University of Sydney, Camperdown, NSW, Australia
- Faculty of Science, School of Animal and Veterinary Sciences, The University of Adelaide, Roseworthy, SA, Australia
| | - Mariel Fulham
- Faculty of Science, Sydney School of Veterinary Science, The University of Sydney, Camperdown, NSW, Australia
| | - Charles G. B. Caraguel
- Faculty of Science, School of Animal and Veterinary Sciences, The University of Adelaide, Roseworthy, SA, Australia
| | - Rachael Gray
- Faculty of Science, Sydney School of Veterinary Science, The University of Sydney, Camperdown, NSW, Australia
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15
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Miglio A, Valente C, Guglielmini C. Red Blood Cell Distribution Width as a Novel Parameter in Canine Disorders: Literature Review and Future Prospective. Animals (Basel) 2023; 13:ani13060985. [PMID: 36978525 PMCID: PMC10044289 DOI: 10.3390/ani13060985] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/06/2023] [Accepted: 03/07/2023] [Indexed: 03/11/2023] Open
Abstract
Red blood cell distribution width (RDW) is a quantitative laboratory parameter applied for the measurement of anisocytosis and is a reliable and inexpensive method for clinical classification of anemia. An increased RDW reflects a great heterogeneity in the size of red blood cells typical of regenerative and iron-deficiency anemia. In humans, numerous and recent studies have shown a relationship between increased RDW and the risk of morbidity and mortality in patients with various disorders. In particular, a strong association has been established between changes in RDW and the risk of adverse outcome in humans with diseases affecting different organs or systems. Following the human literature, some studies have recently been conducted trying to clarify the clinical role of RDW in various animal disorders, particularly in dogs. In this review, we summarize and critically evaluate the results of the studies based on the measurement of RDW in dogs. We also emphasize the need for further and more extensive studies on the use of this simple and inexpensive parameter in animals.
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Affiliation(s)
- Arianna Miglio
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, Italy;
| | - Carlotta Valente
- Department of Animal Medicine, Production and Health, University of Padua, Viale dell’Università 16, 35020 Legnaro, Italy;
| | - Carlo Guglielmini
- Department of Animal Medicine, Production and Health, University of Padua, Viale dell’Università 16, 35020 Legnaro, Italy;
- Correspondence:
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16
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Wu T, Chen Y, Yang M, Wang S, Wang X, Hu M, Cheng X, Wan J, Hu Y, Ding Y, Zhang X, Ding M, He Z, Li H, Zhang XJ. Comparative plasma and urine metabolomics analysis of juvenile and adult canines. Front Vet Sci 2023; 9:1037327. [PMID: 36699333 PMCID: PMC9868312 DOI: 10.3389/fvets.2022.1037327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 12/15/2022] [Indexed: 01/10/2023] Open
Abstract
Background and aims The metabolomic profile of a biofluid can be affected by age, and thus provides detailed information about the metabolic alterations in biological processes and reflects the in trinsic rule regulating the growth and developmental processes. Methods To systemically investigate the characteristics of multiple metabolic profiles associated with canine growth, we analyzed the metabolomics in the plasma and urine samples from 15 young and 15 adult beagle dogs via UHPLC-Q-TOFMS-based metabolomics. Blood routine and serum biochemical analyses were also performed on fasting blood samples. Results The metabolomics results showed remarkable differences in metabolite fingerprints both in plasma and urine between the young and adult groups. The most obvious age-related metabolite alterations include decreased serumlevels of oxoglutaric acid and essential amino acids and derivatives but increased levels of urine levels of O-acetylserine. These changes primarily involved in amino acid metabolism and bile secretion pathways. We also found that the levels of glutamine were consistently higher in both serum and urine of adults, while N-acetylhistamine and uracil concentrations were much lower in the adult group compared to younger ones. Conclusion Our study provides a whole metabolic profile of serum and urine characteristics of young and adult canines, identifying several metabolites that were significantly associated with age change, which provides theoretical support for the nutrition-related research and age-related homeostasis maintenance in dogs.
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Affiliation(s)
- Taibo Wu
- School of Basic Medical Science, Wuhan University, Wuhan, China,Institute of Model Animal, Wuhan University, Wuhan, China
| | - Yun Chen
- Institute of Model Animal, Wuhan University, Wuhan, China,Clinical Trial Centers, Huanggang Central Hospital, Huanggang, China
| | - Mingzi Yang
- School of Basic Medical Science, Wuhan University, Wuhan, China,Institute of Model Animal, Wuhan University, Wuhan, China
| | - Shuang Wang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Xiaoming Wang
- School of Basic Medical Science, Wuhan University, Wuhan, China,Institute of Model Animal, Wuhan University, Wuhan, China
| | - Manli Hu
- School of Basic Medical Science, Key Laboratory of Cardiovascular Disease Prevention and Control, Ministry of Education, Gannan Medical University, Ganzhou, China,Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou, China
| | - Xu Cheng
- School of Basic Medical Science, Key Laboratory of Cardiovascular Disease Prevention and Control, Ministry of Education, Gannan Medical University, Ganzhou, China,Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou, China
| | - Juan Wan
- School of Basic Medical Science, Key Laboratory of Cardiovascular Disease Prevention and Control, Ministry of Education, Gannan Medical University, Ganzhou, China,Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou, China
| | - Yufeng Hu
- School of Basic Medical Science, Key Laboratory of Cardiovascular Disease Prevention and Control, Ministry of Education, Gannan Medical University, Ganzhou, China,Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou, China
| | - Yi Ding
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Xin Zhang
- School of Basic Medical Science, Key Laboratory of Cardiovascular Disease Prevention and Control, Ministry of Education, Gannan Medical University, Ganzhou, China,Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou, China
| | - Mingxing Ding
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Zhengming He
- Institute of Laboratory Animal Resources, National Institutes for Food and Drug Control, Beijing, China
| | - Hongliang Li
- School of Basic Medical Science, Wuhan University, Wuhan, China,Institute of Model Animal, Wuhan University, Wuhan, China,Gannan Innovation and Translational Medicine Research Institute, Gannan Medical University, Ganzhou, China,*Correspondence: Hongliang Li ✉
| | - Xiao-Jing Zhang
- School of Basic Medical Science, Wuhan University, Wuhan, China,Institute of Model Animal, Wuhan University, Wuhan, China,Xiao-Jing Zhang ✉
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17
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Mayousse V, Soete C, Jeandel A. Suspected Generalized Neonatal Tetanus in a Litter of Puppies. J Am Anim Hosp Assoc 2023; 59:51-55. [PMID: 36584314 DOI: 10.5326/jaaha-ms-7246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/16/2022] [Indexed: 01/01/2023]
Abstract
Tetanus, caused by Clostridium tetani neurotoxin, is extensively described in adult dogs and is frequently associated with a recent history of wounds. Although this condition is reported in 2-3 mo old puppies, tetanus has not been described in neonates. Herein, we report the clinical signs of 3-5 day old American Bully puppies from the same litter, presenting with an acute onset of marked generalized stiffness of the extensor muscles, trismus, and an inability to suckle. Three puppies died because of tetanus: one died during consultation, one was euthanized owing to respiratory distress, and the third died 1 mo after initial presentation following deterioration. All three of these puppies were clinically affected by omphalitis. Complete bloodwork, toxicological screening (including strychnine assay), serology, and polymerase chain reaction tests for selected infectious diseases were unremarkable. Necropsy of the euthanized puppy confirmed suppurative omphalitis, which may have contributed to C. tetani infection. These are the first cases of suspected neonatal tetanus in puppies, which is a frequent condition in newborn humans and is associated with omphalitis as the route of infection.
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Affiliation(s)
- Vincent Mayousse
- From Neurology Unit (V.M.), Centre Hospitalier Vétérinaire des Cordeliers, Meaux, Il de France, France
| | - Caroline Soete
- From Internal Medicine Unit (C.S.), Centre Hospitalier Vétérinaire des Cordeliers, Meaux, Il de France, France
| | - Aurélien Jeandel
- From Neurology Unit, Centre Hospitalier Vétérinaire Pommery, Reims, France (A.J.)
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18
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Dong H, Cheng GQ, Zhang L, Xia JY, Zhou J, Yuan MM, Zhan JF, Hong Y. Dietary addition of Astragalus polysaccharide (APS) in dogs: palatability, blood biochemistry and immunity. JOURNAL OF APPLIED ANIMAL RESEARCH 2022. [DOI: 10.1080/09712119.2022.2139263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Han Dong
- Laboratory Animal Center of Sichuan Academy of Traditional Chinese Medicine Sciences, Chengdu, People’s Republic of China
| | - Guo-Qiang Cheng
- Laboratory Animal Center of Sichuan Academy of Traditional Chinese Medicine Sciences, Chengdu, People’s Republic of China
| | - Lei Zhang
- Laboratory Animal Center of Sichuan Academy of Traditional Chinese Medicine Sciences, Chengdu, People’s Republic of China
| | - Jie-Ying Xia
- Laboratory Animal Center of Sichuan Academy of Traditional Chinese Medicine Sciences, Chengdu, People’s Republic of China
| | - Jing Zhou
- Laboratory Animal Center of Sichuan Academy of Traditional Chinese Medicine Sciences, Chengdu, People’s Republic of China
| | - Ming-Ming Yuan
- Laboratory Animal Center of Sichuan Academy of Traditional Chinese Medicine Sciences, Chengdu, People’s Republic of China
| | - Jia-Fei Zhan
- Laboratory Animal Center of Sichuan Academy of Traditional Chinese Medicine Sciences, Chengdu, People’s Republic of China
| | - Yang Hong
- Laboratory Animal Center of Sichuan Academy of Traditional Chinese Medicine Sciences, Chengdu, People’s Republic of China
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19
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Zoto A, Stecklein C, Scott MA, Bauer TR, Lucidi C, Cridge H. Multiorgan neutrophilic inflammation in a Border Collie with "trapped" neutrophil syndrome. J Vet Intern Med 2022; 36:2170-2176. [PMID: 36239343 DOI: 10.1111/jvim.16567] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 09/28/2022] [Indexed: 11/29/2022] Open
Abstract
Trapped neutrophil syndrome is a rare congenital disease recognized in Border Collies and is characterized by persistent neutropenia with myeloid hyperplasia. The mechanism of neutropenia has not been described. We document the case of a young Border Collie diagnosed with trapped neutrophil syndrome based on clinical features, blood and bone marrow evaluation, and presence of the associated homozygous mutation. Results from flow cytometric and storage studies suggested lower neutrophil survival time. The dog had substantial neutrophilic inflammation in multiple organs, indicating that neutrophils could leave the marrow and enter tissues, making the term "trapped" neutrophil syndrome a misnomer.
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Affiliation(s)
- Alyssa Zoto
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, Michigan, USA
| | - Chelsea Stecklein
- Department of Pathobiology and Diagnostic Investigation, College of Veterinary Medicine, Michigan State University, East Lansing, Michigan, USA
| | - Michael A Scott
- Department of Pathobiology and Diagnostic Investigation, College of Veterinary Medicine, Michigan State University, East Lansing, Michigan, USA
| | - Thomas R Bauer
- Immune Deficiency-Cellular Therapy Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Cynthia Lucidi
- Veterinary Diagnostic Laboratory, College of Veterinary Medicine, Michigan State University, Lansing, Michigan, USA
| | - Harry Cridge
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, Michigan, USA
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20
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Comparison of preoperative to postoperative blood glucose in puppies undergoing elective surgical neutering. Vet J 2022; 281:105811. [PMID: 35247585 DOI: 10.1016/j.tvjl.2022.105811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 01/14/2022] [Accepted: 02/27/2022] [Indexed: 11/23/2022]
Abstract
The objective of this study was to determine if overnight fasting is associated with hypoglycemia in puppies undergoing elective surgical neutering. One hundred seventy-one apparently healthy puppies between the age of 2 and 6 months presented for elective surgical neutering. Owners were instructed to withhold food from puppies after midnight the night before surgery; water was to be freely available. Blood samples were collected pre- and postoperatively to determine blood glucose, packed cell volume (PCV), and serum total protein (TP). Pre- and postoperative data were compared with a paired Wilcoxon test (paired samples). Hypoglycemia was defined as glucose <4.2mmol/L (76mg/dL) for pediatric puppies ≤16 weeks of age (n = 116), and <3.6mmol/L (65mg/dL) for juvenile puppies >16 weeks of age (n = 55). Blood glucose significantly increased after surgery from median 8.8mmol/L (interquartile range [IQR], 1.7mmol/L; range, 4.9-12.3mmol/L) to a median 9.7mmol/L (IQR, 1.8mmol/L; range, 5.4-14.7mmol/L; P <0.0001). Preoperative median PCV was 35% (IQR, 6.5%; range, 26-53%) and TP was 58g/L (IQR, 6g/L; range, 44-82g/L). Preoperative values were significantly higher than postoperative values for PCV (median, 31%; IQR, 4%; range, 24-43%) and TP (median, 55g/L; IQR, 7g/L; range, 40-76g/L; P<0.0001). No puppy developed hypoglycemia and no adverse events were observed or reported. Overnight fasting did not result in pre- or postoperative hypoglycemia in studied puppies undergoing elective neutering.
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21
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Puurunen J, Ottka C, Salonen M, Niskanen JE, Lohi H. Age, breed, sex and diet influence serum metabolite profiles of 2000 pet dogs. ROYAL SOCIETY OPEN SCIENCE 2022. [PMID: 35223061 DOI: 10.5061/dryad.fj6q573w5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
As an individual's metabolism reflects health and disease states well, metabolomics holds a vast potential in biomedical applications. However, normal physiological factors, such as age, can also influence metabolism, challenging the establishment of disease-specific metabolic aberrations. Here, we examined how physiological and diet-related factors drive variance in the metabolism of healthy pet dogs. We analysed 2068 serum samples using a canine nuclear magnetic resonance (NMR) spectroscopy-based metabolomics platform. With generalized linear models, we discovered that age, breed, sex, sterilization, diet type and fasting time significantly affected the canine metabolite profiles. Especially, breed and age caused considerable variation in the metabolite concentrations, and breeds with very different body conformations systematically differed in several lipid measurands. Our results enhance the understanding how normal physiological factors influence canine metabolism, aid accurate interpretation of the NMR results, and suggest the NMR platform might be applied in identifying aberrations in nutrient absorption and metabolism.
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Affiliation(s)
- Jenni Puurunen
- PetBiomics Ltd, 00300 Helsinki, Finland
- Department of Veterinary Biosciences, University of Helsinki, 00014 Helsinki, Finland
- Department of Medical and Clinical Genetics, University of Helsinki, 00014 Helsinki, Finland
- Folkhälsan Research Center, 00290 Helsinki, Finland
| | - Claudia Ottka
- PetBiomics Ltd, 00300 Helsinki, Finland
- Department of Veterinary Biosciences, University of Helsinki, 00014 Helsinki, Finland
- Department of Medical and Clinical Genetics, University of Helsinki, 00014 Helsinki, Finland
- Folkhälsan Research Center, 00290 Helsinki, Finland
| | - Milla Salonen
- Department of Veterinary Biosciences, University of Helsinki, 00014 Helsinki, Finland
- Department of Medical and Clinical Genetics, University of Helsinki, 00014 Helsinki, Finland
- Folkhälsan Research Center, 00290 Helsinki, Finland
| | - Julia E Niskanen
- Department of Veterinary Biosciences, University of Helsinki, 00014 Helsinki, Finland
- Department of Medical and Clinical Genetics, University of Helsinki, 00014 Helsinki, Finland
- Folkhälsan Research Center, 00290 Helsinki, Finland
| | - Hannes Lohi
- PetBiomics Ltd, 00300 Helsinki, Finland
- Department of Veterinary Biosciences, University of Helsinki, 00014 Helsinki, Finland
- Department of Medical and Clinical Genetics, University of Helsinki, 00014 Helsinki, Finland
- Folkhälsan Research Center, 00290 Helsinki, Finland
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22
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Puurunen J, Ottka C, Salonen M, Niskanen JE, Lohi H. Age, breed, sex and diet influence serum metabolite profiles of 2000 pet dogs. ROYAL SOCIETY OPEN SCIENCE 2022; 9:211642. [PMID: 35223061 PMCID: PMC8847897 DOI: 10.1098/rsos.211642] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 01/25/2022] [Indexed: 05/03/2023]
Abstract
As an individual's metabolism reflects health and disease states well, metabolomics holds a vast potential in biomedical applications. However, normal physiological factors, such as age, can also influence metabolism, challenging the establishment of disease-specific metabolic aberrations. Here, we examined how physiological and diet-related factors drive variance in the metabolism of healthy pet dogs. We analysed 2068 serum samples using a canine nuclear magnetic resonance (NMR) spectroscopy-based metabolomics platform. With generalized linear models, we discovered that age, breed, sex, sterilization, diet type and fasting time significantly affected the canine metabolite profiles. Especially, breed and age caused considerable variation in the metabolite concentrations, and breeds with very different body conformations systematically differed in several lipid measurands. Our results enhance the understanding how normal physiological factors influence canine metabolism, aid accurate interpretation of the NMR results, and suggest the NMR platform might be applied in identifying aberrations in nutrient absorption and metabolism.
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Affiliation(s)
- Jenni Puurunen
- PetBiomics Ltd, 00300 Helsinki, Finland
- Department of Veterinary Biosciences, University of Helsinki, 00014 Helsinki, Finland
- Department of Medical and Clinical Genetics, University of Helsinki, 00014 Helsinki, Finland
- Folkhälsan Research Center, 00290 Helsinki, Finland
| | - Claudia Ottka
- PetBiomics Ltd, 00300 Helsinki, Finland
- Department of Veterinary Biosciences, University of Helsinki, 00014 Helsinki, Finland
- Department of Medical and Clinical Genetics, University of Helsinki, 00014 Helsinki, Finland
- Folkhälsan Research Center, 00290 Helsinki, Finland
| | - Milla Salonen
- Department of Veterinary Biosciences, University of Helsinki, 00014 Helsinki, Finland
- Department of Medical and Clinical Genetics, University of Helsinki, 00014 Helsinki, Finland
- Folkhälsan Research Center, 00290 Helsinki, Finland
| | - Julia E. Niskanen
- Department of Veterinary Biosciences, University of Helsinki, 00014 Helsinki, Finland
- Department of Medical and Clinical Genetics, University of Helsinki, 00014 Helsinki, Finland
- Folkhälsan Research Center, 00290 Helsinki, Finland
| | - Hannes Lohi
- PetBiomics Ltd, 00300 Helsinki, Finland
- Department of Veterinary Biosciences, University of Helsinki, 00014 Helsinki, Finland
- Department of Medical and Clinical Genetics, University of Helsinki, 00014 Helsinki, Finland
- Folkhälsan Research Center, 00290 Helsinki, Finland
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23
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Ludwik TM, Heinrich DA, Rendahl A, Friedenberg SG. Red cell distribution width is a predictor of all-cause mortality in hospitalized dogs. J Vet Emerg Crit Care (San Antonio) 2022; 32:9-17. [PMID: 34432939 PMCID: PMC9272852 DOI: 10.1111/vec.13109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 04/09/2020] [Accepted: 04/16/2020] [Indexed: 01/03/2023]
Abstract
OBJECTIVE To determine whether RBC distribution width (RDW) is associated with an increased odds of mortality in hospitalized dogs and cats. DESIGN Retrospective, single-center study; data collected from 2007 to 2017. SETTING University teaching hospital. ANIMALS Six thousand six hundred and sixty-one animals (5183 dogs and 1478 cats). INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS Medical records were identified from animals presented to the emergency service and admitted to the ICU with a CBC and serum biochemistry performed on admission. Patients were stratified into quintiles based upon presenting RDW, and logistic regression modeling was performed to evaluate the relationship between RDW and in-hospital mortality. Canine patients with a presenting RDW in the upper fourth and fifth quintiles had an increased odds of all-cause in-hospital mortality (p < 0.0001). Specifically, dogs in the upper fifth quintile had a 2.1-fold greater odds of death compared to dogs in the first quintile, and dogs in the upper fourth quintile had a 1.9-fold greater odds of death compared to dogs in the first quintile. This relationship remained significant after adjusting for age, sex, key laboratory values excluding HCT, medical versus surgical disease, and diagnosis category. This relationship was no longer significant with the inclusion of HCT. No significant association was identified between presenting RDW and in-hospital mortality in cats. CONCLUSIONS Hospitalized dogs with higher RDW on presentation to the emergency service have greater odds of all-cause in-hospital mortality compared to dogs with a lower RDW. A similar association between RDW and mortality was not found in cats. Further studies are warranted to assess the usefulness of this biomarker for specific diseases in dogs and to better understand the mechanisms driving the association between increased RDW and mortality in canine patients.
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Affiliation(s)
- Tasia M Ludwik
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota, USA
| | - Daniel A Heinrich
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota, USA
| | - Aaron Rendahl
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota, USA
| | - Steven G Friedenberg
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota, USA
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24
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Oikonomidis IL, Tsouloufi TK, Kritsepi-Konstantinou M, Soubasis N. The effect of age and sex on glycated hemoglobin in dogs. J Vet Diagn Invest 2021; 34:331-333. [PMID: 34931567 DOI: 10.1177/10406387211065046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
We investigated the effect of age and sex on canine glycated hemoglobin (HbA1c) using a validated capillary electrophoresis assay. Aliquots of EDTA blood samples collected for routine health checks were used. HbA1c was measured using the Capillarys 2 flex-piercing system (Sebia). We included 58 clinically and hematologically healthy, normoglycemic dogs (29 males, 29 females), allocated to 3 age groups: young (14 dogs <1-y-old), adult (31 dogs 1-7.9-y-old), and senior (13 dogs ≥8-y-old). The mean (± SD) HbA1c was not significantly different (p = 0.428) between the age groups (young: 1.68 ± 0.54%; adult: 1.59 ± 0.41%; senior: 1.80 ± 0.57%). The HbA1c was not significantly correlated with age (rho = 0.144, p = 0.280). The median (range) HbA1c was not significantly different (p = 0.391) between male [1.7% (0.5-2.5%)] and female [1.5% (1.0-2.7%)] dogs. Age and sex do not appear to affect canine HbA1c; however, a study of geriatric dogs would be needed to fully exclude an effect of age on HbA1c.
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Affiliation(s)
- Ioannis L Oikonomidis
- School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Theodora K Tsouloufi
- School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Maria Kritsepi-Konstantinou
- School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Nectarios Soubasis
- School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
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25
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Montoya Navarrete AL, Quezada Tristán T, Lozano Santillán S, Ortiz Martínez R, Valdivia Flores AG, Martínez Martínez L, De Luna López MC. Effect of age, sex, and body size on the blood biochemistry and physiological constants of dogs from 4 wk. to > 52 wk. of age. BMC Vet Res 2021; 17:265. [PMID: 34362371 PMCID: PMC8349075 DOI: 10.1186/s12917-021-02976-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 07/22/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Blood biochemistry and reference intervals help to differentiate between healthy and ill dogs as well as to provide information for the prognosis, evaluation, and monitoring; however, these intervals are often obtained from adult animals. It is essential to understand that puppies and adults are physiologically different, which justifies the need to obtain age-specific biochemical reference intervals. The aim of this research was to assess the potential effect of age, sex, body size, and their interaction on routine biochemical analytes and physiological constants (body temperature, heart rate, and respiratory rate). To carry out the research, we selected 197 healthy dogs of both sexes and different body sizes (small, medium and large) classified by age: group I (4-8 wk), group II (9-24 wk), group III (25-52 wk), and group IV (> 52 wk). The biochemical analysis included the measurement of the enzymatic activity of aspartate aminotransferase (AST), alanine aminotransferase (ALT), lactate dehydrogenase (LDH), gamma-glutamyl transferase (GGT), alkaline phosphatase (ALP), and the concentrations of cholesterol, triglycerides, total proteins, albumin, globulins, glucose, urea, and creatinine. Statistical analyses used analysis of variance (ANOVA) and a general linear model (GLM), which allows the comparison of multiple factors at two or more levels (p < 0.05). RESULTS The results of this study showed that ALT, total protein, albumin, globulin, urea, creatinine, and body temperature levels were lower in puppies than in adult dogs of group IV (p < 0.05), while the enzymatic activity of ALP, LDH, glucose concentration, and heart rate were higher. Whereas sex, body size and the interaction did not show a significant effect (p > 0.05). CONCLUSIONS Some biochemical components are influenced by age. For this reason, this manuscript contributes with additional data for the clinical interpretation of blood biochemical results in puppies.
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Affiliation(s)
- Ana Luisa Montoya Navarrete
- Department of Veterinary Clinic, Autonomous University of Aguascalientes, La Posta Zootécnica, Jesús María, C.P.20908, Aguascalientes, Mexico
| | - Teódulo Quezada Tristán
- Department of Veterinary Clinic, Autonomous University of Aguascalientes, La Posta Zootécnica, Jesús María, C.P.20908, Aguascalientes, Mexico.
| | - Samuel Lozano Santillán
- Department of Veterinary Clinic, Autonomous University of Aguascalientes, La Posta Zootécnica, Jesús María, C.P.20908, Aguascalientes, Mexico
| | - Raúl Ortiz Martínez
- Department of Veterinary Clinic, Autonomous University of Aguascalientes, La Posta Zootécnica, Jesús María, C.P.20908, Aguascalientes, Mexico
| | - Arturo Gerardo Valdivia Flores
- Department of Veterinary Clinic, Autonomous University of Aguascalientes, La Posta Zootécnica, Jesús María, C.P.20908, Aguascalientes, Mexico
| | - Lizbeth Martínez Martínez
- Department of Veterinary Clinic, Autonomous University of Aguascalientes, La Posta Zootécnica, Jesús María, C.P.20908, Aguascalientes, Mexico
| | - María Carolina De Luna López
- Department of Veterinary Clinic, Autonomous University of Aguascalientes, La Posta Zootécnica, Jesús María, C.P.20908, Aguascalientes, Mexico
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26
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KuKanich KS, Springer NL, Klutzke JB, KuKanich B. Comparisons of hematologic results for juvenile versus adult shelter dogs presented for ovariohysterectomy or castration. J Am Vet Med Assoc 2021; 259:275-282. [PMID: 34242071 DOI: 10.2460/javma.259.3.275] [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 compare hematologic results for juvenile versus adult dogs from shelters that outwardly appeared healthy and were presented for ovariohysterectomy or castration. ANIMALS 138 dogs from 13 regional shelters. PROCEDURES Each dog underwent a physical examination (including use of a flea comb), age estimation by dental eruption characteristics, PCV, CBC, and tests for Dirofilaria immitis antigen and Anaplasma phagocytophilum, Borrelia burgdorferi, and Ehrlichia canis antibodies. Additional diagnostic tests were performed as needed. Dogs were grouped by age as < 3, ≥ 3 to ≤ 6, or > 6 months of age, with dogs ≤ 6 months of age considered juveniles and dogs > 6 months of age considered adults. Hematologic results were compared across groups. RESULTS There were 138 dogs, of which 56 were juveniles (34 dogs < 3 months old; 22 dogs ≥ 3 to ≤ 6 months old) and 82 were adults. Juvenile (vs adult) dogs had lower mean calculated Hct and mean PCV whether dogs with infectious agents or parasites were included or excluded. The mean PCV and mean cell hemoglobin concentration were lower and the reticulocyte count higher for juvenile dogs < 3 months old (35.8%, 33.1 g/dL, and 135,000 reticulocytes/μL) versus adults (44.9%, 34.7 g/dL, and 68,500 reticulocytes/μL). Most (98.6%) dogs underwent surgery as scheduled; 2 dogs had surgery postponed because of thrombocytopenia or parvovirus infection. CONCLUSIONS AND CLINICAL RELEVANCE Our findings indicated that outwardly healthy-appearing juvenile shelter dogs often have results for PCV and calculated Hct that are lower than those for adult shelter dogs and adult dog reference intervals but rarely require postponement of ovariohysterectomy or castration.
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27
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Becher A, Suchodolski JS, Steiner JM, Heilmann RM. Blood neutrophil-to-lymphocyte ratio (NLR) as a diagnostic marker in dogs with chronic enteropathy. J Vet Diagn Invest 2021; 33:516-527. [PMID: 33554784 DOI: 10.1177/1040638721992057] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Few routinely available biomarkers are clinically useful in assessing dogs with chronic enteropathy (CE) and aid in CE subclassification. The diagnostic potential of the blood neutrophil-to-lymphocyte ratio (NLR) has not been evaluated in canine CE. We evaluated the NLR in 93 dogs with CE (no steroid treatment for ≥2 wk prior) and tested for an association with clinical, clinicopathologic, and histologic characteristics and also with CE subclassification. NLR was significantly higher in CE dogs with severe clinical disease than dogs with mild clinical disease (p = 0.047). Hypoalbuminemia (p < 0.001), but not hypocobalaminemia, was associated with higher NLRs. NLR was correlated with fecal alpha1-proteinase inhibitor concentrations (ρ = 0.47) and the serum-to-fecal alpha1-proteinase inhibitor ratio (ρ = -0.48; both p < 0.001) but not with serum or fecal inflammatory markers nor with the overall histologic score (all p > 0.05). Dogs with steroid- or other immunosuppressant-responsive (IRE) or nonresponsive enteropathy (NRE) had significantly higher NLRs (median: 7.3) than dogs with food-responsive enteropathy (FRE; median: 3.0; p = 0.003), and a NLR ≥5.5 best distinguished both groups of dogs. No difference in NLR was detected between dogs with IRE and dogs diagnosed with NRE. These findings suggest that leukogram changes (i.e., NLR) could be clinically useful in canine CE, and that neutrophils might play a role in the systemic inflammatory response associated with canine CE. The NLR can be easily assessed on routine hematology and can potentially aid in the subclassification of dogs with CE based on the response to treatment.
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Affiliation(s)
- Anja Becher
- Department for Small Animals, Veterinary Teaching Hospital, College of Veterinary Medicine, University of Leipzig, Leipzig, Germany
| | - Jan S Suchodolski
- Gastrointestinal Laboratory, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX
| | - Jörg M Steiner
- Gastrointestinal Laboratory, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX
| | - Romy M Heilmann
- Department for Small Animals, Veterinary Teaching Hospital, College of Veterinary Medicine, University of Leipzig, Leipzig, Germany
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28
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Bingham E, Conner B, Stern J, Vitalo A, Schaer M. A 7-week-old male Golden Retriever with extreme leukocytosis: A case report. Clin Case Rep 2020; 8:3498-3502. [PMID: 33363959 PMCID: PMC7752618 DOI: 10.1002/ccr3.3464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 09/25/2020] [Accepted: 09/27/2020] [Indexed: 11/11/2022] Open
Abstract
Although neoplasia should be a top concern for extreme leukocytosis in dogs, infectious causes must also be considered to avoid delays in treatment or undue recommendations for humane euthanasia. Blood film review is of paramount importance.
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Affiliation(s)
- Emily Bingham
- University of Florida College of Veterinary MedicineGainesvilleFLUSA
| | - Bobbi Conner
- Virginia‐Maryland Regional College of Veterinary MedicineBlacksburgVAUSA
| | - Jere Stern
- University of Florida College of Veterinary MedicineGainesvilleFLUSA
| | - Amber Vitalo
- University of Florida College of Veterinary MedicineGainesvilleFLUSA
| | - Michael Schaer
- University of Florida College of Veterinary MedicineGainesvilleFLUSA
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29
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Sargent HJ, Elliott J, Jepson RE. The new age of renal biomarkers: does SDMA solve all of our problems? J Small Anim Pract 2020; 62:71-81. [PMID: 33184865 DOI: 10.1111/jsap.13236] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 05/15/2020] [Accepted: 09/15/2020] [Indexed: 12/28/2022]
Abstract
Within clinical small animal practice, diagnosis of both chronic kidney disease and acute kidney injury is common. To assess renal function, measurement of glomerular filtration rate is considered the gold standard. Currently, routine tests of kidney function include surrogate markers of glomerular filtration rate such as serum creatinine, and urea, each with their own limitations, whilst urine protein to creatinine ratio gives an indication of glomerular and tubular handling of protein, and urine specific gravity information about urine concentrating ability by the kidney. These parameters are used together with historical and physical examination data to give a diagnosis of kidney disease following which creatinine, proteinuria and blood pressure are used to stage chronic kidney disease and, together with urine output, grade acute kidney injury according to the International Renal Interest Society. However, there has been much concern that creatinine is insensitive when used to indicate early decline in renal function and this has highlighted the need for additional methods of diagnosing and monitoring these patients, with the potential to allow earlier therapeutic intervention. Symmetric dimethylarginine is a novel biomarker, which has been shown to perform as a surrogate marker of glomerular filtration rate in small animals. This article will review current research on symmetric dimethylarginine and the ways in which it may be utilised in small animal practice; current research supports the use of symmetric dimethylarginine as a screening test for detection of early chronic kidney disease according to International Renal Interest Society guidelines, but further research is required in to the usefulness of symmetric dimethylarginine as a tool for monitoring disease and the effect of non-renal influences.
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Affiliation(s)
- H J Sargent
- Royal Veterinary College, North Mymms, Herts, AL9 7TA, UK
| | - J Elliott
- Royal Veterinary College, North Mymms, Herts, AL9 7TA, UK
| | - R E Jepson
- Royal Veterinary College, North Mymms, Herts, AL9 7TA, UK
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30
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Dietary Supplementation with Housefly (Musca domestica) Maggot Meal in Growing Beagles: Hematology, Serum Biochemistry, Immune Responses and Oxidative Damage. ANNALS OF ANIMAL SCIENCE 2020. [DOI: 10.2478/aoas-2020-0045] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
The present study was carried out to evaluate the hematology, serum biochemistry, immune responses and oxidative damage of growing beagles fed a diet supplemented with housefly (Musca domestica) maggot meal (MM). Weanling beagles (initial body weight 2.69 ± 0.17 kg) were fed a control diet (0% MM) or experimental diet (5% MM) for 42 days. The results indicated that the diet supplemented with 5% MM had no significant effects on the hematology and serum biochemistry of growing beagles (P>0.05). Meanwhile, neither the serum concentrations of lysozyme and C-reactive protein nor the serum antibody responses to canine distemper virus and canine parvovirus were influenced by dietary MM supplementation (P>0.05). However, dogs in the experimental group had lower serum levels of malondialdehyde and protein carbonyl than those in the control group (P<0.05). These findings demonstrated that MM could be used as an alternative protein source in growing beagles without any adverse effects on hematology, serum biochemistry and immune responses. Furthermore, dietary MM could alleviate oxidative damage in growing beagles.
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31
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Tørnqvist-Johnsen C, Schnabel T, Gow AG, Del-Pozo J, Milne E, Macklin V, Fisher C, Handel I, Mellanby RJ. Investigation of the relationship between ionised and total calcium in dogs with ionised hypercalcaemia. J Small Anim Pract 2020; 61:247-252. [PMID: 32043601 DOI: 10.1111/jsap.13109] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Revised: 12/01/2019] [Accepted: 12/16/2019] [Indexed: 02/02/2023]
Abstract
OBJECTIVES To investigate the relationship between total and ionised calcium concentrations in dogs with ionised hypercalcaemia and to evaluate how albumin influences this relationship. METHODS Initially, a reference interval for ionised and total calcium was established using a large population of healthy adult dogs. Our teaching hospital clinical database was searched to identify adult dogs with ionised hypercalcaemia between 2012 and 2017, a time frame when the same sample handling and analysis protocols were in place as for the healthy reference interval population. The relationship between ionised and total calcium concentrations was then examined in the ionised hypercalcaemia population. RESULTS Based on biochemical analysis of 351 healthy adult dogs, a reference interval of 1.18 to 1.53 mmol/L for ionised calcium and 2.24 to 2.85 mmol/L for total calcium was established. Using these reference intervals, 63 dogs with ionised hypercalcaemia were identified, of which 23 did not have total hypercalcaemia. Only seven of the 23 dogs with ionised hypercalcaemia and total calcium below the upper limit of the reference interval had hypoalbuminemia. The majority of dogs with ionised hypercalcemia and normal total calcium had a modest increase in ionised calcium. CLINICAL SIGNIFICANCE If relying on total calcium alone, more than one third of dogs with ionised hypercalcaemia will be classified as normocalcaemic and the majority of these dogs had normal serum albumin.
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Affiliation(s)
- C Tørnqvist-Johnsen
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, Division of Veterinary Clinical Studies, The University of Edinburgh, Hospital for Small Animals, Easter Bush Veterinary Centre, Midlothian, UK
| | - T Schnabel
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, Division of Veterinary Clinical Studies, The University of Edinburgh, Hospital for Small Animals, Easter Bush Veterinary Centre, Midlothian, UK
| | - A G Gow
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, Division of Veterinary Clinical Studies, The University of Edinburgh, Hospital for Small Animals, Easter Bush Veterinary Centre, Midlothian, UK
| | - J Del-Pozo
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, Division of Veterinary Clinical Studies, The University of Edinburgh, Hospital for Small Animals, Easter Bush Veterinary Centre, Midlothian, UK
| | - E Milne
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, Division of Veterinary Clinical Studies, The University of Edinburgh, Hospital for Small Animals, Easter Bush Veterinary Centre, Midlothian, UK
| | - V Macklin
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, Division of Veterinary Clinical Studies, The University of Edinburgh, Hospital for Small Animals, Easter Bush Veterinary Centre, Midlothian, UK
| | - C Fisher
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, Division of Veterinary Clinical Studies, The University of Edinburgh, Hospital for Small Animals, Easter Bush Veterinary Centre, Midlothian, UK
| | - I Handel
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, Division of Veterinary Clinical Studies, The University of Edinburgh, Hospital for Small Animals, Easter Bush Veterinary Centre, Midlothian, UK
| | - R J Mellanby
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, Division of Veterinary Clinical Studies, The University of Edinburgh, Hospital for Small Animals, Easter Bush Veterinary Centre, Midlothian, UK
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32
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Frada M, Machado J, Coutinho T, Lopes AP, Ginja MMD. Growth stunted in half a litter of puppies due to intestinal parasitism. VETERINARY RECORD CASE REPORTS 2020. [DOI: 10.1136/vetreccr-2019-000939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Maria Frada
- Veterinary Teaching HospitalUniversity of Trás‐os‐Montes and Alto Douro (UTAD)Vila RealPortugal
| | - João Machado
- Veterinary Teaching HospitalUniversity of Trás‐os‐Montes and Alto Douro (UTAD)Vila RealPortugal
| | - Teresa Coutinho
- Department of Veterinary SciencesSchool of Agrarian and Veterinary SciencesUTADVila RealPortugal
| | - Ana Patrícia Lopes
- Department of Veterinary SciencesSchool of Agrarian and Veterinary SciencesUTADVila RealPortugal
- Veterinary and Animal Research Centre (CECAV)UTADVila RealPortugal
| | - Mario M D Ginja
- Veterinary Teaching HospitalUniversity of Trás‐os‐Montes and Alto Douro (UTAD)Vila RealPortugal
- Department of Veterinary SciencesSchool of Agrarian and Veterinary SciencesUTADVila RealPortugal
- Centre for the Research and Technology of Agro‐Environmental and Biological Sciences (CITAB)UTADVila RealPortugal
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33
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Gonzalez Sarmiento O, Walker JJA, Watson N. Multifocal abdominal abscessation in a three‐month‐old puppy due to
Escherichia coli. VETERINARY RECORD CASE REPORTS 2019. [DOI: 10.1136/vetreccr-2019-000897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
| | | | - Natalie Watson
- Internal MedicineAnderson Moores Veterinary SpecialistsWinchesterUK
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34
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Pereira M, Valério-Bolas A, Saraiva-Marques C, Alexandre-Pires G, Pereira da Fonseca I, Santos-Gomes G. Development of Dog Immune System: From in Uterus to Elderly. Vet Sci 2019; 6:E83. [PMID: 31640234 PMCID: PMC6958461 DOI: 10.3390/vetsci6040083] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 10/10/2019] [Accepted: 10/12/2019] [Indexed: 12/12/2022] Open
Abstract
Immune system recognize and fight back foreign microorganisms and inner modifications that lead to deficient cell and tissue functions. During a dog's life, the immune system needs to adapt to different physiological conditions, assuring surveillance and protection in a careful and controlled way. Pregnancy alters normal homeostasis, requiring a balance between immunity and tolerance. The embryos and fetus should be protected from infections, while the female dog must tolerate the growing of semi-allografts in her uterus. After birth, newborn puppies are at great risk of developing infectious diseases, because their immune system is in development and immune memory is absent. Passive transfer of immunity through colostrum is fundamental for puppy survival in the first weeks of life, but hampers the development of an active immune response to vaccination. At the end of life, dogs experience a decline in the structure and functional competence of the immune system, compromising the immune responses to novel antigenic challenges, such as infections and vaccines. Therefore, the current article reviews the general processes related to the development of the dog´s immune system, providing an overview of immune activity throughout the dog's life and its implications in canine health, and highlighting priority research goals.
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Affiliation(s)
- Maria Pereira
- Global Health and Tropical Medicine (GHTM), Instituto de Higiene e Medicina Tropical (IHMT), Universidade Nova de Lisboa (UNL), R. da Junqueira 100, 1349-008 Lisboa, Portugal.
- Instituto Politécnico de Portalegre (IPP), Praça do Município 11, 7300-110 Portalegre, Portugal.
- Agrarian School of the Polytechnic Institute of Viseu, Quinta da Alagoa-Estrada de Nelas Ranhados, 3500-606 Viseu, Portugal.
| | - Ana Valério-Bolas
- Global Health and Tropical Medicine (GHTM), Instituto de Higiene e Medicina Tropical (IHMT), Universidade Nova de Lisboa (UNL), R. da Junqueira 100, 1349-008 Lisboa, Portugal.
| | - Cátia Saraiva-Marques
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Faculdade de Medicina Veterinária (FMV), Universidade de Lisboa (UL), Av. Universidade Técnica, 1300-477 Lisboa, Portugal.
| | - Graça Alexandre-Pires
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Faculdade de Medicina Veterinária (FMV), Universidade de Lisboa (UL), Av. Universidade Técnica, 1300-477 Lisboa, Portugal.
| | - Isabel Pereira da Fonseca
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Faculdade de Medicina Veterinária (FMV), Universidade de Lisboa (UL), Av. Universidade Técnica, 1300-477 Lisboa, Portugal.
| | - Gabriela Santos-Gomes
- Global Health and Tropical Medicine (GHTM), Instituto de Higiene e Medicina Tropical (IHMT), Universidade Nova de Lisboa (UNL), R. da Junqueira 100, 1349-008 Lisboa, Portugal.
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A homozygous missense variant in the alkaline phosphatase gene ALPL is associated with a severe form of canine hypophosphatasia. Sci Rep 2019; 9:973. [PMID: 30700765 PMCID: PMC6353930 DOI: 10.1038/s41598-018-37801-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 12/13/2018] [Indexed: 12/25/2022] Open
Abstract
Inherited skeletal disorders affect both humans and animals. In the current study, we have performed series of clinical, pathological and genetic examinations to characterize a previously unreported skeletal disease in the Karelian Bear Dog (KBD) breed. The disease was recognized in seven KBD puppies with a variable presentation of skeletal hypomineralization, growth retardation, seizures and movement difficulties. Exome sequencing of one affected dog revealed a homozygous missense variant (c.1301T > G; p.V434G) in the tissue non-specific alkaline phosphatase gene, ALPL. The identified recessive variant showed full segregation with the disease in a cohort of 509 KBDs with a carrier frequency of 0.17 and was absent from 303 dogs from control breeds. In humans, recessive and dominant ALPL mutations cause hypophosphatasia (HPP), a metabolic bone disease with highly heterogeneous clinical manifestations, ranging from lethal perinatal hypomineralization to a relatively mild dental disease. Our study reports the first naturally occurring HPP in animals, resembling the human infantile form. The canine HPP model may serve as a preclinical model while a genetic test will assist in breeding programs.
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Kimura T, Kotani K. Perinatal veterinary medicine-related evaluation in hematological and serum biochemical profiles of experimental beagles throughout pregnancy and parturition. Animal Model Exp Med 2018; 1:282-294. [PMID: 30891578 PMCID: PMC6388069 DOI: 10.1002/ame2.12043] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 10/08/2018] [Accepted: 10/24/2018] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND The aims of this study were (a) to ascertain age-related changes in the reference values in hematological and serum biochemical examinations of beagles, and (b) to clarify the changes in these findings, including acute phase proteins and oxidative stress, throughout pregnancy and after parturition. METHODS Clinicopathological parameters were measured in young beagles at 6, 9 and 12 months and in adult beagles aged from 24 to 60 months. Likewise, pregnant beagles were investigated throughout the pregnancy and after parturition. RESULTS Apparent age-related changes were found in erythrocytic parameters during the growth and development of beagles. Most of the parameters (total protein, albumin, blood urea nitrogen, creatinine, urate, alkaline phosphatase (ALP) and creatine kinase (CK) exhibited age-dependent transitions. White cell count significantly increased after 30 days of pregnancy. The values of erythrocytic parameters moderately decreased during the second half of the pregnancy. Triglycerides, total cholesterol, free cholesterol and phospholipid concentrations increased in the mid- and late stages of pregnancy. ALP, lactate dehydrogenase, CK and cholinesterase activities markedly increased during pregnancy and/or after parturition. C-reactive protein (CRP) concentrations gradually increased and reached a maximum after 30-40 days of pregnancy. Serum amyloid A (SAA) levels markedly increased at 30 days of pregnancy before subsiding, and then increased again 3 days after parturition. Reactive oxygen metabolites (d-ROMs) showed significant increases after 30 and 40 days of pregnancy. CONCLUSIONS Reference values for hematological and serum biochemical examinations should be used for health evaluation of dogs, taking sex, age and the stage of pregnancy into consideration. Measurements of CRP, SAA and d-ROM levels are also useful for assessing maternal conditions in mid-pregnancy.
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Affiliation(s)
- Tohru Kimura
- Laboratory Animal ScienceJoint Faculty of Veterinary MedicineYamaguchi UniversityYoshidaYamaguchiJapan
| | - Kazuhiko Kotani
- Division of Community and Family MedicineCenter for Community MedicineJichi Medical UniversityYakushijiShimotsukeTochigiJapan
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Kiefer-Hecker B, Bauer A, Dobenecker B. Effects of low phosphorus intake on serum calcium, phosphorus, alkaline phosphatase activity and parathyroid hormone in growing dogs. J Anim Physiol Anim Nutr (Berl) 2018; 102:1749-1758. [PMID: 30144171 DOI: 10.1111/jpn.12964] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 06/20/2018] [Accepted: 06/29/2018] [Indexed: 12/28/2022]
Abstract
A sufficient and balanced supply of calcium and phosphorus is important mainly for the skeletal health of dogs, especially during growth. Numerous reports and research results are quoted, which focus mainly on the effects of both deficient or excessive calcium supplies. The important role that phosphorus plays in the disruption to skeletal development is also explored. The aims of this study were to evaluate the effects of a low phosphorus supply on selected serum parameters of calcium and phosphorus metabolism in both medium and large breed growing dogs, alongside the effects on the apparent digestibility and retention of these minerals as well as the musculoskeletal development, which were published before. Beagle and Foxhound-crossbred puppies (n = 53) between the age of 6 and 24 weeks were either fed a balanced (control) or a low phosphorus diet, the latter one providing about one-third of P amount fed to the control group. In regular intervals, blood samples were obtained to measure serum levels of phosphorus, calcium, alkaline phosphatase activity (ALP) and parathyroid hormone (PTH). Functional Additive Mixed Models were used to analyse these serum concentrations per group and per diet. In the puppies being fed the low phosphorus diet, a distinct decline of serum phosphate concentration was detected with a more pronounced and prolonged effect in the smaller Beagles. At the same time, serum calcium concentration altered in the opposite direction, implying that the product of calcium multiplied by phosphorus was regulated more closely than the calcium to phosphorus ratio. The PTH concentrations were reduced and ALP activity increased at certain time points during the low phosphorus feeding compared to the puppies being fed the control diet. In the latter group, an effect of time or maturation could be demonstrated in relation to the serum phosphate concentration.
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Affiliation(s)
- Britta Kiefer-Hecker
- Department of Veterinary Sciences, Chair of Animal Nutrition and Dietetics, Ludwig-Maximilians-University, Oberschleissheim, Germany
| | - Alexander Bauer
- Statistical Consulting Unit StaBLab, Department of Statistics, Ludwig-Maximilians-Universität München, München, Germany
| | - Britta Dobenecker
- Department of Veterinary Sciences, Chair of Animal Nutrition and Dietetics, Ludwig-Maximilians-University, Oberschleissheim, Germany
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Evaluation of frequency and intensity of asymptomatic anisocytosis in the Japanese dog breeds Shiba, Akita, and Hokkaido. ACTA VET BRNO 2018. [DOI: 10.2754/avb201786040385] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Microcytosis is observed in healthy Japanese breed dogs. The aim of the study was to evaluate the frequency and intensity of asymptomatic anisocytosis using a three-grade scale in Japanese dog breeds with special emphasis on the following indices: mean cell volume, mean cell haemoglobin, mean cell haemoglobin concentration, and red blood cell distribution width. The retrospective study included analyses of blood morphology and blood smear for clinically healthy Japanese dog breeds Shiba, Akita, and Hokkaido aged from 6 months to 14 years, performed as a part of preventative care. A total of 74 dogs of both sexes were qualified for the study. The group included both neutered and non-neutered animals (Akita – 17 females, 12 males, Shiba – 24 females, 18 males, Hokkaido – 2 females, 1 male). The blood smear revealed significant anisocytosis in 60.8% and mild anisocytosis in 28.4% of the tested dogs – 89.2% in total. Microcytosis was reported for 25.7% of the tested Japanese breed dogs. Reduced mean cell haemoglobin and mean cell haemoglobin concentration were diagnosed in 75.7% and 40.5% of dogs, respectively. Red blood cell distribution width as an anisocytosis indicator exceeded the norm in 12% of the tested dogs. Compared to mixed breed dogs, the Japanese breeds had a reduced mean cell volume, mean cell haemoglobin concentration and significant anisocytosis in the blood smear as well as a higher red blood cell distribution width indicator. Veterinarians should consider these differences when interpreting the results of morphological blood tests.
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Veronesi MC, Bolis B, Faustini M, Rota A, Mollo A. Biochemical composition of fetal fluids in at term, normal developed, healthy, viable dogs and preliminary data from pathologic littermates. Theriogenology 2017; 108:277-283. [PMID: 29277067 DOI: 10.1016/j.theriogenology.2017.12.029] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 12/09/2017] [Accepted: 12/13/2017] [Indexed: 11/20/2022]
Abstract
A proper canine neonatal assistance, required to reduce the high perinatal loss rate, imply a full knowledge about the fetal-to-neonatal physiology. Because fetal fluids play an important role throughout mammals pregnancy, influencing fetal growth and development, fetal well being, and contributing to guarantee the most suitable environment for the fetus, the knowledge about fetal fluids biochemical composition is of major importance. At first, the biochemical composition of fetal fluids collected by normal developed, healthy and viable newborns, is necessary to depict the normal features, and represent the first step for the further detection of abnormalities associated to fetal/neonatal distress and useful for the early identification of newborns needing special attention, immediately after birth. The present study was aimed to define the biochemical composition of amniotic and allantoic fluids collected from fetus delivered by caesarean section at term of pregnancy. To reduce the possible confounding effect of maternal labor or troubles at parturition, fetal fluids were collected only from puppies born by elective caesaeran section, at term of normal pregnancies. Fetal fluids from 76 puppies, 70 normal and six pathologic newborns, born by elective caesarean section were collected and analyzed for alanine aminotransferase (ALT), aspartate aminotransferase (AST), total bilirubin, lactate dehydrogenase (LDH), creatine-kinase (CK), alkaline phosphatase (ALP), creatinine, urea, amylase, lipase, gamma-glutamyl transferase (γ-GT), triglycerides, cholesterol, total proteins, albumin, globulins, glucose, magnesium, potassium, chloride, sodium, calcium, phosphorus and osmolarity. No significant differences were found between biochemical composition of amniotic or allantoic fluid in normal and pathologic newborns, maybe due to the small number of the pathologic puppies. Although some correlations between the two fluids were found (albumin, phosphorus, glucose and triglycerides), the results showed significant differences between the amniotic and allantoic biochemical composition (for all the parameters, except of alanine aminotransferase, triglycerides, cholesterol, albumin, amylase and glucose), suggesting that diverse sources could concur to the final composition of each fluid. A wide variability within and among litters was found for both amniotic and allantoic biochemical composition, and for some parameters an influence of breed body size (amniotic amylase, cholesterol, and allantoic calcium and glucose), maternal parity (amniotic and allantoic CK, glucose, LDH, chloride) and newborn gender (allantoic phosphorus) was found. Further investigations are needed for addressing the origin of each fetal fluid biochemical composition in the dog and also to indeep possible differences in fetal fluids biochemical composition between normal and pathologic puppies, providing potential markers for the quick identification of newborns that need special surveillance and cares immediately after birth.
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Affiliation(s)
- M C Veronesi
- Department of Veterinary Medicine, Università degli Studi di Milano, Milan, Italy
| | - B Bolis
- Department of Veterinary Medicine, Università degli Studi di Milano, Milan, Italy.
| | - M Faustini
- Department of Veterinary Medicine, Università degli Studi di Milano, Milan, Italy
| | - A Rota
- Ambulatorio Associato Pellegrini e Rota, Almenno San Bartolomeo, Bergamo, Italy
| | - A Mollo
- Department of Animal Medicine, Productions and Health, Università di Padova, Padua, Italy
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Aulbach A, Provencher A, Tripathi N. Influence of Study Design Variables on Clinical Pathology Data. Toxicol Pathol 2016; 45:288-295. [DOI: 10.1177/0192623316677066] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
A number of factors related to study design have the potential to impact clinical pathology test results during the conduct of nonclinical safety studies. A thorough understanding of these factors is paramount in drawing accurate conclusions from clinical pathology data generated during such studies, particularly when attempting to make the distinction between test article and nontest article–related effects. Study design and conduct variables with potential to impact clinical pathology data discussed in this overview include those related to species and test system, animal age, animal care and husbandry practices, fasting, acclimatization periods, effects of transportation and stressors, route of administration, effects of in-life and surgical procedures, influence of study length, timing of blood collections, impact of vehicle/formulation composition, and some general concepts related to drug class. The material presented here is a summary based on information presented at the 35th Annual Symposium of the Society of Toxicologic Pathology (June 2016), during Symposium Session 2 titled “Deciphering Sources of Variability in Clinical Pathology—It’s Not Just about the Numbers.”
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Mazzotta E, Guglielmini C, Menciotti G, Contiero B, Baron Toaldo M, Berlanda M, Poser H. Red Blood Cell Distribution Width, Hematology, and Serum Biochemistry in Dogs with Echocardiographically Estimated Precapillary and Postcapillary Pulmonary Arterial Hypertension. J Vet Intern Med 2016; 30:1806-1815. [PMID: 27747929 PMCID: PMC5115192 DOI: 10.1111/jvim.14596] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Revised: 08/29/2016] [Accepted: 09/13/2016] [Indexed: 11/17/2022] Open
Abstract
Background Red blood cell distribution width (RDW) is a quantitative measurement of anisocytosis. RDW has prognostic value in humans with different cardiovascular and systemic disorders, but few studies have investigated this biomarker in dogs. Objectives To compare the RDW in dogs with precapillary and postcapillary pulmonary hypertension (PH) and a control population of dogs and to correlate RDW with demographic, echocardiographic, and laboratory variables. Animals One hundred and twenty‐seven client‐owned dogs including 19 healthy dogs, 82 dogs with myxomatous mitral valve disease (50 dogs without PH and 32 dogs with postcapillary PH), and 26 dogs with precapillary PH. Methods Prospective study. Dogs were allocated to groups according to clinical and echocardiographic evaluation. RDW and selected laboratory and echocardiographic variables were compared among dog groups. Associations between RDW and demographic, laboratory, and echocardiographic variables were analyzed using correlation and multiple regression analysis. Results Median RDW in dogs with precapillary PH (13.8%, interquartile range 13.2–14.9%) and postcapillary PH (13.7, 13.2–14.7%) was significantly increased compared to healthy dogs (13.3, 12.3–13.7%; P < .05 for both comparisons), but only dogs with severe PH had significantly increased RDW compared to dogs without PH (P < .05). Peak tricuspid regurgitation pressure gradient was significantly associated with increased RDW (rho = 0.263, P = .007). Serum urea concentration, hematocrit, age, and white blood cell number were significantly associated with RDW in the multivariate analysis. Conclusions and Clinical Importance Underlying pathophysiologic processes associated with PH instead of severity of PH are likely responsible for increased RDW in dogs with PH.
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Affiliation(s)
- E Mazzotta
- Department of Animal Medicine, Production and Health, University of Padova, Legnaro, Italy
| | - C Guglielmini
- Department of Animal Medicine, Production and Health, University of Padova, Legnaro, Italy
| | - G Menciotti
- Department of Animal Medicine, Production and Health, University of Padova, Legnaro, Italy
| | - B Contiero
- Department of Animal Medicine, Production and Health, University of Padova, Legnaro, Italy
| | - M Baron Toaldo
- Department of Veterinary Medical Sciences, Alma Mater Studiorum-University of Bologna, Bologna, Italy
| | - M Berlanda
- Department of Animal Medicine, Production and Health, University of Padova, Legnaro, Italy
| | - H Poser
- Department of Animal Medicine, Production and Health, University of Padova, Legnaro, Italy
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Brenten T, Morris PJ, Salt C, Raila J, Kohn B, Schweigert FJ, Zentek J. Age-associated and breed-associated variations in haematological and biochemical variables in young labrador retriever and miniature schnauzer dogs. Vet Rec Open 2016; 3:e000166. [PMID: 27252875 PMCID: PMC4879334 DOI: 10.1136/vetreco-2015-000166] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Revised: 02/04/2016] [Accepted: 03/01/2016] [Indexed: 11/03/2022] Open
Abstract
Breed, sex and age effects on haematological and biochemical variables were investigated in 24 labrador retriever and 25 miniature schnauzer dogs during the first year of life. Blood samples were taken regularly between weeks 8 and 52. White blood cell and red blood cell counts, haemoglobin concentration, haematocrit, mean cell volume, mean cell haemoglobin, mean cell haemoglobin concentration, platelet count as well as total protein, albumin, calcium, phosphate, alkaline phosphatase, alanine aminotransferase, aspartate aminotransferase, glutamate dehydrogenase, total cholesterol, triglycerides, creatine and urea were evaluated. For all haematological and biochemical parameters, there were significant effects of age on test results. Statistically significant effects for breed and the breed×age interaction on test results were observed for most of the parameters with the exception of haemoglobin. Variations in test results illustrate growth related alterations in body tissue and metabolism leading to dynamic and marked changes in haematological and biochemical parameters, which have to be considered for the interpretation of clinical data obtained from dogs in the first year of life.
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Affiliation(s)
| | | | - Carina Salt
- WALTHAM Centre for Pet Nutrition , Leicestershire , UK
| | - Jens Raila
- Institute of Nutritional Science, University of Potsdam , Bergholz-Rehbrücke , Germany
| | - Barbara Kohn
- Department of Veterinary Medicine , Clinic of Small Animals, Freie Universität Berlin , Berlin , Germany
| | - Florian J Schweigert
- Institute of Nutritional Science, University of Potsdam , Bergholz-Rehbrücke , Germany
| | - Jürgen Zentek
- Department of Veterinary Medicine , Institute of Animal Nutrition, Freie Universität Berlin , Berlin , Germany
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Affiliation(s)
- Jessica A. Hokamp
- Department of Veterinary Pathobiology; College of Veterinary Medicine and Biomedical Sciences; Texas A&M University; College Station TX USA
| | - Mary B. Nabity
- Department of Veterinary Pathobiology; College of Veterinary Medicine and Biomedical Sciences; Texas A&M University; College Station TX USA
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Chang YM, Hadox E, Szladovits B, Garden OA. Serum Biochemical Phenotypes in the Domestic Dog. PLoS One 2016; 11:e0149650. [PMID: 26919479 PMCID: PMC4769346 DOI: 10.1371/journal.pone.0149650] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Accepted: 02/03/2016] [Indexed: 11/18/2022] Open
Abstract
The serum or plasma biochemical profile is essential in the diagnosis and monitoring of systemic disease in veterinary medicine, but current reference intervals typically take no account of breed-specific differences. Breed-specific hematological phenotypes have been documented in the domestic dog, but little has been published on serum biochemical phenotypes in this species. Serum biochemical profiles of dogs in which all measurements fell within the existing reference intervals were retrieved from a large veterinary database. Serum biochemical profiles from 3045 dogs were retrieved, of which 1495 had an accompanying normal glucose concentration. Sixty pure breeds plus a mixed breed control group were represented by at least 10 individuals. All analytes, except for sodium, chloride and glucose, showed variation with age. Total protein, globulin, potassium, chloride, creatinine, cholesterol, total bilirubin, ALT, CK, amylase, and lipase varied between sexes. Neutering status significantly impacted all analytes except albumin, sodium, calcium, urea, and glucose. Principal component analysis of serum biochemical data revealed 36 pure breeds with distinctive phenotypes. Furthermore, comparative analysis identified 23 breeds with significant differences from the mixed breed group in all biochemical analytes except urea and glucose. Eighteen breeds were identified by both principal component and comparative analysis. Tentative reference intervals were generated for breeds with a distinctive phenotype identified by comparative analysis and represented by at least 120 individuals. This is the first large-scale analysis of breed-specific serum biochemical phenotypes in the domestic dog and highlights potential genetic components of biochemical traits in this species.
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Affiliation(s)
- Yu-Mei Chang
- Research Office, The Royal Veterinary College, Camden Campus, Royal College Street, London, NW1 OTU, United Kingdom
| | - Erin Hadox
- Department of Clinical Science and Services, Regulatory T Cell Laboratory, The Royal Veterinary College, Camden Campus, Royal College Street, London, NW1 OTU, United Kingdom
| | - Balazs Szladovits
- Department of Pathology and Pathogen Biology, The Royal Veterinary College, Hawkshead Campus, North Mymms, Hatfield, Hertfordshire, AL9 7TA, United Kingdom
| | - Oliver A. Garden
- Department of Clinical Science and Services, Regulatory T Cell Laboratory, The Royal Veterinary College, Camden Campus, Royal College Street, London, NW1 OTU, United Kingdom
- * E-mail:
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Khatri-Chhetri R, Sun CM, Wu HY, Pei KJC. Reference intervals for hematology, serum biochemistry, and basic clinical findings in free-ranging Chinese Pangolin (Manis pentadactyla) from Taiwan. Vet Clin Pathol 2015; 44:380-90. [PMID: 26175074 DOI: 10.1111/vcp.12273] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND There are 8 species of Pangolins found in Asia and Africa. Among them, the Chinese Pangolin (Manis pentadactyla) is an endangered insectivorous mammal found only in Asia. Hematology and serum chemistry reference intervals are critical for evaluating an animal's well-being and can be useful for clinical diagnostic purposes. Currently, there are no such reference intervals available for any Pangolin species. OBJECTIVE The purpose of the present study was to establish reference intervals for hematology and serum biochemical analytes, and some basic clinical findings, in Chinese Pangolins. METHODS Reference intervals for the hematology and serum chemistry variables, and basic clinical findings (body weight, heart rate, body temperature, blood oxygen saturation) were collected from 100 clinically healthy Chinese Pangolins (51 males and 49 females) using parametric and nonparametric percentile methods. In addition, seasonal, age-related, and sexual differences for all variables were statistically analyzed. RESULTS No significant differences in the reference intervals were found between males and females, except for body weight. However, significant seasonal differences were observed for heart rate, body temperature, serum ALT and lipase activities, and phosphate concentrations. The variables, which were significantly different between adult and sub-adult Pangolins were heart rate, MCH, creatinine, total protein, phosphate, glucose, and potassium concentration, and amylase activity. Seasonal and age group differences should be taken into consideration when using these reference intervals. CONCLUSIONS The findings from the present study represent a valuable resource for assessing the health of Chinese Pangolins, and contribute toward the conservation of this endangered mammal.
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Affiliation(s)
- Rupak Khatri-Chhetri
- Department of Veterinary Medicine, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung, Taiwan
| | - Ching-Min Sun
- Pingtung Rescue Centre for Endangered Wild Animals, National Pingtung University of Science and Technology, Pingtung, Taiwan
| | - Hung-Yi Wu
- Department of Veterinary Medicine, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung, Taiwan
| | - Kurtis Jai-Chyi Pei
- Institute of Wildlife Conservation, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung, Taiwan.,Pingtung Rescue Centre for Endangered Wild Animals, National Pingtung University of Science and Technology, Pingtung, Taiwan
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