Publications
2025
Hypophosphatemia in Intensive Care Unit Canine Patients: Occurrence and Association With Mortality and Duration of Hospitalization.
Oikonomidis, I. L., Rees, P., Hernando Sanz, J., & Woods, G. (2025). Hypophosphatemia in Intensive Care Unit Canine Patients: Occurrence and Association With Mortality and Duration of Hospitalization.. Veterinary clinical pathology. doi:10.1111/vcp.70013
Glycated haemoglobin and serum fructosamine concentrations in sick, non-diabetic dogs receiving oral prednisolone.
Oikonomidis, I. L., Daravigka, A., Ceron, J. J., Tvarijonaviciute, A., Lambrou, F., Tzenetidou, Z., . . . Soubasis, N. (2024). Glycated haemoglobin and serum fructosamine concentrations in sick, non-diabetic dogs receiving oral prednisolone.. The Veterinary record, e4843. doi:10.1002/vetr.4843
2024
A retrospective study of the aetiology of increased mean platelet volume in dogs presented to a small animal teaching hospital in Greece.
Oikonomidis, I. L., Antoniadis, H., Papathanasiou, A., Tsouloufi, T. K., Kousi, T., Kalafati, M. R., & Kritsepi-Konstantinou, M. (2024). A retrospective study of the aetiology of increased mean platelet volume in dogs presented to a small animal teaching hospital in Greece.. Vet Rec Open, 11(2), e70000. doi:10.1002/vro2.70000
Hypoalbuminaemia and its association with disease and clinical outcomes in cats.
Fong, K. Y. M., Oikonomidis, I. L., Leong, D., Lo, G., Heal, J., & Woods, G. (2024). Hypoalbuminaemia and its association with disease and clinical outcomes in cats.. The Journal of small animal practice, 65(10), 721-729. doi:10.1111/jsap.13764
What is your diagnosis? Cervical mass in a dog.
Draper, A. C. E., Oikonomidis, I., Pastorello, A., McKenzie, R., & Le Calvez, S. (2024). What is your diagnosis? Cervical mass in a dog.. Veterinary clinical pathology, 53 Suppl 2, 108-111. doi:10.1111/vcp.13306
A comparison study between the Siemens ADVIA 120 and manual method for the differential white blood cell count in goats.
Oikonomidis, I. L., Brozos, C., Tsouloufi, T. K., Kiossis, E., & Kritsepi-Konstantinou, M. (2024). A comparison study between the Siemens ADVIA 120 and manual method for the differential white blood cell count in goats.. Veterinary clinical pathology, 53(1), 57-62. doi:10.1111/vcp.13337
2023
Clinical enzymology of the dog and cat
Oikonomidis, I. L., & Milne, E. (2023). Clinical enzymology of the dog and cat. AUSTRALIAN VETERINARY JOURNAL. doi:10.1111/avj.13291
Diagnostic performance of glycated haemoglobin (HbA1c) for diabetes mellitus in dogs
Oikonomidis, I. L., Tsouloufi, T. K., Tzenetidou, Z., Ceron, J. J., Tvarijonaviciute, A., Konstantinidis, A. O., & Soubasis, N. (2023). Diagnostic performance of glycated haemoglobin (HbA1c) for diabetes mellitus in dogs. VETERINARY JOURNAL, 294. doi:10.1016/j.tvjl.2023.105958
Serial measurement of cardiac troponin I in hospitalised dogs with canine parvoviral enteritis: Association with outcome and canine pancreas-specific lipase concentration
Oikonomidis, I. L., Theodorou, K., Papaioannou, E., Xenoulis, P. G., Adamama-Moraitou, K. K., Steiner, J. M., . . . Soubasis, N. (2023). Serial measurement of cardiac troponin I in hospitalised dogs with canine parvoviral enteritis: Association with outcome and canine pancreas-specific lipase concentration. RESEARCH IN VETERINARY SCIENCE, 157, 1-5. doi:10.1016/j.rvsc.2023.02.004
2022
Association of platelet indices with glycemic status in diabetic dogs
Tsouloufi, T. K., Soubasis, N., Kritsepi-Konstantinou, M., & Oikonomidis, I. L. (2022). Association of platelet indices with glycemic status in diabetic dogs. JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION, 34(4), 742-745. doi:10.1177/10406387221101347
Prevalence of antinuclear antibodies and rheumatoid factor titers in dogs with arthritis secondary to leishmaniosis (<i>Leishmania infantum</i>)
Tsouloufi, T. K., Theodorou, K., Day, M. J., Oikonomidis, I. L., Kasabalis, D., Mylonakis, M. E., . . . Soubasis, N. (2022). Prevalence of antinuclear antibodies and rheumatoid factor titers in dogs with arthritis secondary to leishmaniosis (<i>Leishmania infantum</i>). JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION, 34(4), 699-702. doi:10.1177/10406387221099030
Prevalence, association with systemic inflammatory response syndrome and outcome of stress hyperglycaemia in sick cats
Frezoulis, P. S., Oikonomidis, I. L., Saridomichelakis, M. N., Kasabalis, D., Pappa, A., Bouza-Rapti, P., . . . Soubasis, N. (2022). Prevalence, association with systemic inflammatory response syndrome and outcome of stress hyperglycaemia in sick cats. JOURNAL OF SMALL ANIMAL PRACTICE, 63(3), 197-202. doi:10.1111/jsap.13445
The effect of age and sex on glycated hemoglobin in dogs
Oikonomidis, I. L., Tsouloufi, T. K., Kritsepi-Konstantinou, M., & Soubasis, N. (2022). The effect of age and sex on glycated hemoglobin in dogs. JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION, 34(2), 331-333. doi:10.1177/10406387211065046
2021
Diagnostic and prognostic value of peripheral blood leucocyte ratios in sick cats
Tsouloufi, T. K., Frezoulis, P. S., Soubasis, N., Kritsepi-Konstantinou, M., & Oikonomidis, I. L. (2021). Diagnostic and prognostic value of peripheral blood leucocyte ratios in sick cats. ACTA VETERINARIA HUNGARICA, 69(4), 308-314. doi:10.1556/004.2021.00042
Investigation of hypomagnesaemia prevalence and underlying aetiology in a hospitalised cohort of dogs with ionised hypocalcaemia
Woods, G. A., Oikonomidis, I. L., Gow, A. G., Tornqvist-Johnsen, C., Boye, P., Chng, Y., & Mellanby, R. J. (2021). Investigation of hypomagnesaemia prevalence and underlying aetiology in a hospitalised cohort of dogs with ionised hypocalcaemia. VETERINARY RECORD, 189(9). doi:10.1002/vetr.301
Pathology in Practice
Oikonomidis, I. L., Boye, P., Schmitz, S. S., Aresu, L., Milne, E., & Piccinelli, C. (2021). Pathology in Practice. JAVMA-JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION, 259(5), 485-488. Retrieved from https://www.webofscience.com/
Serial measurement of thyroid hormones in hospitalised dogs with canine parvoviral enteritis: Incidence of non-thyroidal illness syndrome and its association with outcome and systemic inflammatory response syndrome
Oikonomidis, I. L., Theodorou, K., Papaioannou, E., Xenoulis, P. G., Adamama-Moraitou, K. K., Steiner, J. M., . . . Soubasis, N. (2021). Serial measurement of thyroid hormones in hospitalised dogs with canine parvoviral enteritis: Incidence of non-thyroidal illness syndrome and its association with outcome and systemic inflammatory response syndrome. VETERINARY JOURNAL, 274. doi:10.1016/j.tvjl.2021.105715
Brainstem phaeohyphomycosis due to <i>Curvularia lunata</i> (<i>Cochliobolus lunatus</i>) in a cat
Liatis, T., Theochari, F., Kalogianni, L., Soubasis, N., Oikonomidis, I. L., Velegraki, A., . . . Polizopoulou, Z. (2021). Brainstem phaeohyphomycosis due to <i>Curvularia lunata</i> (<i>Cochliobolus lunatus</i>) in a cat. AUSTRALIAN VETERINARY JOURNAL, 99(7), 273-278. doi:10.1111/avj.13067
Differential white blood cell counts in rabbits: a comparison of the Advia 2120 and a manual method
Oikonomidis, I. L., Milne, E., & Piccinelli, C. (2021). Differential white blood cell counts in rabbits: a comparison of the Advia 2120 and a manual method. JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION, 33(4), 670-676. doi:10.1177/10406387211007877
A comparison study between the results of the Siemens ADVIA 120 analyzer and the manual method for differential leukocyte counts in sheep
Oikonomidis, I. L., Brozos, C., Kiossis, E., Tsouloufi, T. K., & Kritsepi-Konstantinou, M. (2021). A comparison study between the results of the Siemens ADVIA 120 analyzer and the manual method for differential leukocyte counts in sheep. VETERINARY CLINICAL PATHOLOGY, 50(2), 203-208. doi:10.1111/vcp.12935
Case Report Eosinophilic pericardial effusion in a cat with complex systemic disease and associated peripheral eosinophilia
Checa, I. P., Woods, G. A., Oikonomidis, I. L., Paris, J., Culshaw, G. J., Pereira, Y. M., & Santarelli, G. (2021). Case Report Eosinophilic pericardial effusion in a cat with complex systemic disease and associated peripheral eosinophilia. JOURNAL OF VETERINARY CARDIOLOGY, 35, 55-62. doi:10.1016/j.jvc.2021.03.001
Effect of anaemia and erythrocyte indices on canine glycated haemoglobin
Oikonomidis, I. L., Tsouloufi, T. K., Kritsepi-Konstantinou, M., & Soubasis, N. (2021). Effect of anaemia and erythrocyte indices on canine glycated haemoglobin. VETERINARY RECORD, 188(11). doi:10.1002/vetr.58
Diagnostic accuracy of cytology for canine osteosarcoma compared to histopathology
Oikonomidis, I., & Tsouloufi, T. (2021). Diagnostic accuracy of cytology for canine osteosarcoma compared to histopathology. Veterinary Evidence, 6(2). doi:10.18849/ve.v6i2.399
Trilostane monitoring in canine hyperadrenocorticism: can basal cortisol replace the ACTH stimulation test?
Tsouloufi, D., & Oikonomidis, I. (2021). Trilostane monitoring in canine hyperadrenocorticism: can basal cortisol replace the ACTH stimulation test?. Veterinary Evidence, 6(3). doi:10.18849/ve.v6i3.412
2020
Effects of surgery on free and total 25 hydroxyvitamin D concentrations in dogs
Clements, D. N., Bruce, G., Ryan, J. M., Handel, I. G., Oikonomidis, I. L., Gow, A. G., . . . Mellanby, R. J. (2020). Effects of surgery on free and total 25 hydroxyvitamin D concentrations in dogs. JOURNAL OF VETERINARY INTERNAL MEDICINE, 34(6), 2617-2621. doi:10.1111/jvim.15933
2019
EFFECT OF SEASON ON HEMATOLOGIC, BIOCHEMICAL, AND HORMONAL ANALYTES IN RAMS OF TWO BREEDS
Oikonomidis, I. L., Kiossis, E., Brozos, C., & Kritsepi-Konstantinou, M. (2019). EFFECT OF SEASON ON HEMATOLOGIC, BIOCHEMICAL, AND HORMONAL ANALYTES IN RAMS OF TWO BREEDS. ACTA VETERINARIA-BEOGRAD, 69(4), 434-442. doi:10.2478/acve-2019-0037
Capillary hemoglobin electrophoresis of healthy and anemic dogs: Quantification, validation, and reference intervals of hemoglobin fractions
Oikonomidis, I. L., Tsouloufi, T. K., Mylonakis, M. E., & Kritsepi-Konstantinou, M. (2019). Capillary hemoglobin electrophoresis of healthy and anemic dogs: Quantification, validation, and reference intervals of hemoglobin fractions. PLOS ONE, 14(9). doi:10.1371/journal.pone.0217258
Circulating and bone marrow myeloid cells containing Leishmania amastigotes in a case of advanced canine leishmaniosis
Oikonomidis, I. L., Tsouloufi, T. K., Mylonakis, M. E., Psalla, D., Soubasis, N., Rallis, T., & Kritsepi-Konstantinou, M. (2019). Circulating and bone marrow myeloid cells containing Leishmania amastigotes in a case of advanced canine leishmaniosis. JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION, 31(5), 726-731. doi:10.1177/1040638719862599
Hematologic, biochemical, hormonal, and redox status alterations during reproductive activity in adult rams of two breeds
Oikonomidis, I. L., Brozos, C., Kiossis, E., & Kritsepi-Konstantinou, M. (2019). Hematologic, biochemical, hormonal, and redox status alterations during reproductive activity in adult rams of two breeds. VETERINARY CLINICAL PATHOLOGY, 48(2), 347-354. doi:10.1111/vcp.12731
Hereditary methemoglobinemia in a cyanotic cat presented for ovariohysterectomy
Vasiliadou, E., Karakitsou, V., Kazakos, G., Oikonomidis, I. L., Tsouloufi, T. K., Kosmas, P., . . . Mylonakis, M. E. (2019). Hereditary methemoglobinemia in a cyanotic cat presented for ovariohysterectomy. CANADIAN VETERINARY JOURNAL-REVUE VETERINAIRE CANADIENNE, 60(5), 502-506. Retrieved from https://www.webofscience.com/
THE PROGNOSTIC VALUE OF MICROALBUMINURIA IN PUPPIES WITH CANINE PARVOVIRAL ENTERITIS
Oikonomidis, I. L., Soubasis, N., Ceron, J. J., Theodorou, K., Rallis, T., & Polizopoulou, Z. (2019). THE PROGNOSTIC VALUE OF MICROALBUMINURIA IN PUPPIES WITH CANINE PARVOVIRAL ENTERITIS. ACTA VETERINARIA-BEOGRAD, 69(1), 116-122. doi:10.2478/acve-2019-0008
Canine and feline dirofilariosis in a highly enzootic area: first report of feline dirofilariosis in Greece
Diakou, A., Soubasis, N., Chochlios, T., Oikonomidis, I. L., Tselekis, D., Koutinas, C., . . . Rallis, T. (2019). Canine and feline dirofilariosis in a highly enzootic area: first report of feline dirofilariosis in Greece. PARASITOLOGY RESEARCH, 118(2), 677-682. doi:10.1007/s00436-018-6135-9
2018
Whole-genome sequencing of a CTX-M-11-encoding and quinolone-non-susceptible <i>Klebsiella pneumoniae</i> ST194 isolate from a hospitalised dog in Greece
Chatzopoulou, F., Meletis, G., Polidoro, G., Oikonomidis, I. L., Dimopoulou, I., Mavrovouniotis, I., & Anagnostou, T. L. (2018). Whole-genome sequencing of a CTX-M-11-encoding and quinolone-non-susceptible <i>Klebsiella pneumoniae</i> ST194 isolate from a hospitalised dog in Greece. JOURNAL OF GLOBAL ANTIMICROBIAL RESISTANCE, 14, 126-128. doi:10.1016/j.jgar.2018.06.019
Canine pancytopenia in the Mediterranean - Authors' reply
Frezoulis, P. S., Angelidou, E., Karnezi, D., Oikonomidis, I. L., Kritsepi-Konstantinou, M., Kasabalis, D., & Mylonakis, M. E. (2018). Canine pancytopenia in the Mediterranean - Authors' reply. JOURNAL OF SMALL ANIMAL PRACTICE, 59(6), 379. doi:10.1111/jsap.12849
Validation, reference intervals and overlap performance of a new commercially available automated capillary electrophoresis assay for the determination of the major fraction of glycated haemoglobin (HbA1c) in dogs
Oikonomidis, I. L., Tsouloufi, T. K., Soubasis, N., & Kritsepi-Konstantinou, M. (2018). Validation, reference intervals and overlap performance of a new commercially available automated capillary electrophoresis assay for the determination of the major fraction of glycated haemoglobin (HbA1c) in dogs. VETERINARY JOURNAL, 234, 48-54. doi:10.1016/j.tvjl.2018.02.005
Combined and breed-specific RIs for hematologic, biochemical, and hormonal analytes in Chios and Florina adult rams
Oikonomidis, I. L., Brozos, C., Kiossis, E., & Kritsepi-Konstantinou, M. (2018). Combined and breed-specific RIs for hematologic, biochemical, and hormonal analytes in Chios and Florina adult rams. VETERINARY CLINICAL PATHOLOGY, 47(1), 56-68. doi:10.1111/vcp.12558
Reference intervals for canine hematologic analytes using Siemens Advia 120
Oikonomidis, I. L., Tsouloufi, T. K., Papoutsi, A., & Kritsepi-Konstantinou, M. (2018). Reference intervals for canine hematologic analytes using Siemens Advia 120. JOURNAL OF THE HELLENIC VETERINARY MEDICAL SOCIETY, 69(3), 1063-1070. doi:10.12681/jhvms.18875
2017
Canine pancytopoenia in a Mediterranean region: a retrospective study of 119 cases (2005 to 2013)
Frezoulis, P. S., Angelidou, E., Karnezi, D., Oikonomidis, I. L., Kritsepi-Konstantinou, M., Kasabalis, D., & Mylonakis, M. E. (2017). Canine pancytopoenia in a Mediterranean region: a retrospective study of 119 cases (2005 to 2013). JOURNAL OF SMALL ANIMAL PRACTICE, 58(7), 395-402. doi:10.1111/jsap.12647
Reference intervals for serum reactive oxygen metabolites, biological antioxidant potential, and oxidative stress index in adult rams
Oikonomidis, I. L., Kiosis, E. A., Brozos, C. N., & Kritsepi-Konstantinou, M. G. (2017). Reference intervals for serum reactive oxygen metabolites, biological antioxidant potential, and oxidative stress index in adult rams. AMERICAN JOURNAL OF VETERINARY RESEARCH, 78(3), 274-278. Retrieved from https://www.webofscience.com/
First report of canine systemic cryptococcosis owing to <i>Cryptococcus gattii</i> in Europe
Gerontiti, S., Oikonomidis, I. L., Kalogianni, L., Soubasis, N., Kritsepi-Konstantinou, M., Velegraki, A., . . . Triantafyllou, E. (2017). First report of canine systemic cryptococcosis owing to <i>Cryptococcus gattii</i> in Europe. JOURNAL OF SMALL ANIMAL PRACTICE, 58(1), 58-59. doi:10.1111/jsap.12594
2016
Nodular granulomatous glossitis as the sole clinical sign in canine leishmaniosis
Tangalidi, M. K., Oikonomidis, I. L., Psalla, D., Papadimitriou, S., Kritsepi-Konstantinou, M., & Mylonakis, M. E. (2016). Nodular granulomatous glossitis as the sole clinical sign in canine leishmaniosis. VETERINARY CLINICAL PATHOLOGY, 45(4), 710-714. doi:10.1111/vcp.12416
2015
What is your diagnosis? Unusual cells in the blood smear from a dog
Oikonomidis, I. L., Mylonakis, M. E., & Kritsepi-Konstantinou, M. (2015). What is your diagnosis? Unusual cells in the blood smear from a dog. VETERINARY CLINICAL PATHOLOGY, 44(4), 605-606. doi:10.1111/vcp.12279
A CASE OF MULTIPLE BILATERAL TESTICULAR CAPSULE MAST CELL TUMOURS IN A DOG
Oikonomidis, I. L., Tsouloufi, T. K., Brellou, G. D., Soubasis, N., Ververidis, C., Vlemmas, I., & Kritsepi-Konstantinou, M. (2015). A CASE OF MULTIPLE BILATERAL TESTICULAR CAPSULE MAST CELL TUMOURS IN A DOG. JOURNAL OF BIOLOGICAL REGULATORS AND HOMEOSTATIC AGENTS, 29(2), 417-421. Retrieved from https://www.webofscience.com/