Influence of hyperinsulinemic – hypoglycemic clamp on induced platelet aggregation, activity of physiological anticoagulants and von Willebrand factor in patients with type I diabetes
Background. Intensive glycaemic control in patients with type 1 diabetes may lead to hypoglycaemia and thus increase the risk of cardiovascular and cerebrovascular events. Platelet activation and/or decreased activity of physiological anticoagulants during hypoglycaemia may play a role in the develo...
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Endocrinology Research Centre
2018
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oai:doaj.org-article:53f7ef56cd8340699ec9e71e5f5c44322021-11-14T09:00:21ZInfluence of hyperinsulinemic – hypoglycemic clamp on induced platelet aggregation, activity of physiological anticoagulants and von Willebrand factor in patients with type I diabetes2072-03512072-037810.14341/DM9533https://doaj.org/article/53f7ef56cd8340699ec9e71e5f5c44322018-05-01T00:00:00Zhttps://www.dia-endojournals.ru/jour/article/view/9533https://doaj.org/toc/2072-0351https://doaj.org/toc/2072-0378Background. Intensive glycaemic control in patients with type 1 diabetes may lead to hypoglycaemia and thus increase the risk of cardiovascular and cerebrovascular events. Platelet activation and/or decreased activity of physiological anticoagulants during hypoglycaemia may play a role in the development of cardiovascular or cerebrovascular complications. Aims. To investigate induced platelet activity, the activity of physiological anticoagulants, and the von Wil-lebrand factor in patients with type 1 diabetes with the hyperinsulinaemic–hypoglycaemic clamp. Materials and methods. We examined 11 patients with type 1 diabetes without macro- and micro-vascular complications (6 males, 5 females, mean age 23.7 ± 5.6 years, A1C 9.7 ± 2.3%). Induced platelet aggregation, physiological anticoagulants (Protein S, Protein C, AT III) and the von Willebrand factor were studied at hyperglycaemic, euglycaemic, and hypoglycaemic stages during use of a hyperinsulinaemic (1 mU/kg/min) hypoglycaemic clamp. Results. Platelet aggregation to all agonists increased significantly during the hypoglycaemic stage, compared with the euglycaemic or hyperglycaemic stages. There was no difference in platelet aggregation between the euglycaemic and hyperglycaemic stages. Platelet aggregation to all agonists increased during the hypoglycaemic stage compared with the hyperglycaemic period: thrombin–23.9%, ADP–30.6%, arachidonic acid–30.9%, collagen–69.4% and ristocetin–70.8%. During hypoglycaemia aggregation to ADP, arachidonic acid and collagen remained within normal limits (upper quartile); aggregation to thrombin was significantly above normal limits and aggregation to ristocetin remained significantly below lower limits. Protein S activity was significantly increased during hypoglycaemia compared with euglycaemia (p = 0.046) and hyperglycaemia (p = 0.046). Antithrombin-III activity decreased significantly at the euglycaemic and hypoglycaemic stages, compared with the hyperglycaemic period, but still remained significantly elevated above the upper threshold. Protein C and vWf activity did not change significantly. Conclusions. In patients with type 1 diabetes platelet aggregation and protein S activity increases significantly at the hypoglycaemic stage of the hyperinsulinaemic–hypoglycaemic clamp. Platelet activation is directly caused by hypoglycaemia and not by decreasing glucose levels. Increased protein S activity is a compensatory response to platelet activation.Iwona R. Jarek-MartynowaMikhail Y. MartynovKarina G. SarkisovaEkaterina O. KoksharovaEkaterina E. MishinaAlbina N. YasamanovaMarina V. ShestakovaEndocrinology Research Centrearticletype 1 diabeteshemostasisinduced platelet aggregationphysiological anticoagulantsvon willebrand factorhyperinsulinemic hypoglycemic clampNutritional diseases. Deficiency diseasesRC620-627ENRUСахарный диабет, Vol 21, Iss 2, Pp 84-91 (2018) |
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EN RU |
| topic |
type 1 diabetes hemostasis induced platelet aggregation physiological anticoagulants von willebrand factor hyperinsulinemic hypoglycemic clamp Nutritional diseases. Deficiency diseases RC620-627 |
| spellingShingle |
type 1 diabetes hemostasis induced platelet aggregation physiological anticoagulants von willebrand factor hyperinsulinemic hypoglycemic clamp Nutritional diseases. Deficiency diseases RC620-627 Iwona R. Jarek-Martynowa Mikhail Y. Martynov Karina G. Sarkisova Ekaterina O. Koksharova Ekaterina E. Mishina Albina N. Yasamanova Marina V. Shestakova Influence of hyperinsulinemic – hypoglycemic clamp on induced platelet aggregation, activity of physiological anticoagulants and von Willebrand factor in patients with type I diabetes |
| description |
Background. Intensive glycaemic control in patients with type 1 diabetes may lead to hypoglycaemia and thus increase the risk of cardiovascular and cerebrovascular events. Platelet activation and/or decreased activity of physiological anticoagulants during hypoglycaemia may play a role in the development of cardiovascular or cerebrovascular complications.
Aims. To investigate induced platelet activity, the activity of physiological anticoagulants, and the von Wil-lebrand factor in patients with type 1 diabetes with the hyperinsulinaemic–hypoglycaemic clamp.
Materials and methods. We examined 11 patients with type 1 diabetes without macro- and micro-vascular complications (6 males, 5 females, mean age 23.7 ± 5.6 years, A1C 9.7 ± 2.3%). Induced platelet aggregation, physiological anticoagulants (Protein S, Protein C, AT III) and the von Willebrand factor were studied at hyperglycaemic, euglycaemic, and hypoglycaemic stages during use of a hyperinsulinaemic (1 mU/kg/min) hypoglycaemic clamp.
Results. Platelet aggregation to all agonists increased significantly during the hypoglycaemic stage, compared with the euglycaemic or hyperglycaemic stages. There was no difference in platelet aggregation between the euglycaemic and hyperglycaemic stages. Platelet aggregation to all agonists increased during the hypoglycaemic stage compared with the hyperglycaemic period: thrombin–23.9%, ADP–30.6%, arachidonic acid–30.9%, collagen–69.4% and ristocetin–70.8%. During hypoglycaemia aggregation to ADP, arachidonic acid and collagen remained within normal limits (upper quartile); aggregation to thrombin was significantly above normal limits and aggregation to ristocetin remained significantly below lower limits. Protein S activity was significantly increased during hypoglycaemia compared with euglycaemia (p = 0.046) and hyperglycaemia (p = 0.046). Antithrombin-III activity decreased significantly at the euglycaemic and hypoglycaemic stages, compared with the hyperglycaemic period, but still remained significantly elevated above the upper threshold. Protein C and vWf activity did not change significantly.
Conclusions. In patients with type 1 diabetes platelet aggregation and protein S activity increases significantly at the hypoglycaemic stage of the hyperinsulinaemic–hypoglycaemic clamp. Platelet activation is directly caused by hypoglycaemia and not by decreasing glucose levels. Increased protein S activity is a compensatory response to platelet activation. |
| format |
article |
| author |
Iwona R. Jarek-Martynowa Mikhail Y. Martynov Karina G. Sarkisova Ekaterina O. Koksharova Ekaterina E. Mishina Albina N. Yasamanova Marina V. Shestakova |
| author_facet |
Iwona R. Jarek-Martynowa Mikhail Y. Martynov Karina G. Sarkisova Ekaterina O. Koksharova Ekaterina E. Mishina Albina N. Yasamanova Marina V. Shestakova |
| author_sort |
Iwona R. Jarek-Martynowa |
| title |
Influence of hyperinsulinemic – hypoglycemic clamp on induced platelet aggregation, activity of physiological anticoagulants and von Willebrand factor in patients with type I diabetes |
| title_short |
Influence of hyperinsulinemic – hypoglycemic clamp on induced platelet aggregation, activity of physiological anticoagulants and von Willebrand factor in patients with type I diabetes |
| title_full |
Influence of hyperinsulinemic – hypoglycemic clamp on induced platelet aggregation, activity of physiological anticoagulants and von Willebrand factor in patients with type I diabetes |
| title_fullStr |
Influence of hyperinsulinemic – hypoglycemic clamp on induced platelet aggregation, activity of physiological anticoagulants and von Willebrand factor in patients with type I diabetes |
| title_full_unstemmed |
Influence of hyperinsulinemic – hypoglycemic clamp on induced platelet aggregation, activity of physiological anticoagulants and von Willebrand factor in patients with type I diabetes |
| title_sort |
influence of hyperinsulinemic – hypoglycemic clamp on induced platelet aggregation, activity of physiological anticoagulants and von willebrand factor in patients with type i diabetes |
| publisher |
Endocrinology Research Centre |
| publishDate |
2018 |
| url |
https://doaj.org/article/53f7ef56cd8340699ec9e71e5f5c4432 |
| work_keys_str_mv |
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