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Low triiodothyronine syndrome is associated with platelet function in patients with nephrotic syndrome
Wu, Jianhua; Guo, Naifeng; Chen, Xiaolan; Xing, ChangYing.
  • Wu, Jianhua; Nanjing Medical University. The First Affiliated Hospital. Department of Nephrology. Jiangsu. CN
  • Guo, Naifeng; Nantong University. Affiliated Hospital. Department of Nephrology. Jiangsu. CN
  • Chen, Xiaolan; Nantong University. Affiliated Hospital. Department of Nephrology. Jiangsu. CN
  • Xing, ChangYing; Nanjing Medical University. The First Affiliated Hospital. Department of Nephrology. Jiangsu. CN
Rev. Assoc. Med. Bras. (1992) ; 65(7): 988-992, July 2019. tab, graf
Article in English | LILACS | ID: biblio-1013006
ABSTRACT
SUMMARY OBJECTIVE The objective of this study was to investigate the effects of low triiodothyronine syndrome (LT3S) on platelet function and clotting factors in patients with nephrotic syndrome(NS). METHODS Patients with primary nephrotic syndrome were divided into two groups, normal thyroid function (group A) and LT3S (group B), based on whether they had LT3S or not. Healthy subjects were selected as the control group (group C). Blood coagulation function was detected in each group. The platelet activation function (CD62P, CD63) was determined by flow cytometry. The platelet aggregation rate was detected by an optical method using adenosine diphosphate and arachidonic acid as inducers. RESULTS The proportion of primary nephrotic syndrome with LT3S was 23.2% (69/298). Compared with group C, group A had higher CD62P and PAgTADP, and group B had higher CD62P, CD63, PAgTAA, and PAgTADP; the difference was statistically significant (all P < 0.05). There was no significant difference in renal pathology between group A and group B (X2 = 4.957, P = 0.421). Compared with group A, the 24-hour urine protein, CD63, PAgTAA, and PAgTADP were higher in group B, and APTT and Alb were lower. The difference was statistically significant (P < 0.05). Logistic regression analysis showed that LT3S was associated with CD36 (OR 3.516; 95% CI 1.742~8.186; P = 0.004) and PAgTAA (OR 0.442; 95% CI 1.001~1.251; P = 0.037). CONCLUSION NS patients are prone to LT3S. Patients with LT3S may have abnormal platelet activation and increase of platelet aggregation.
RESUMO
RESUMO OBJETIVO O objetivo deste estudo foi investigar os efeitos da síndrome do baixo triiodotironina (LT3S) na função plaquetária e nos fatores de coagulação em pacientes com síndrome nefrótica (SN). MÉTODOS Pacientes com síndrome nefrótica primária foram divididos em dois grupos, função tireoidiana normal (grupo A) e LT3S (grupo B), com base na presença ou não de LT3S. Indivíduos saudáveis foram selecionados como grupo de controle (grupo C). A função de coagulação do sangue foi analisada em cada grupo. A função de ativação plaquetária (CD62P, CD63) foi determinada por citometria de fluxo. A taxa de agregação plaquetária foi detectada por um método óptico usando adenosina difosfato e ácido araquidônico como indutores. RESULTADOS A proporção de síndrome nefrótica primária com LT3S foi de 23,2% (69/298). Em comparação com o grupo C, o grupo A apresentou níveis mais altos de CD62P e PAgTADP, e o grupo B apresentou maiores CD62P, CD63, PAgTAA e PAgTADP; a diferença teve significância estatística (P < 0,05). Não houve diferença significativa na patologia renal entre o grupo A e o grupo B (X2 = 4,957, P = 0,421). Em comparação com o grupo A, a proteína em urina de 24 horas, CD63, PAgTAA e PAgTADP foram maiores no grupo B, já APTT e Alb foram mais baixos. A diferença apresentou significância estatística (P < 0,05). A análise de regressão logística mostrou uma associação entre LT3S e CD36 (OR 3,516; 95% IC 1,742~8,186; P = 0,004) e PAgTAA (OR 0,442; 95% IC 1,001~1,251; P = 0,037). CONCLUSÃO Pacientes com síndrome nefrótica estão propensos à síndrome do baixo triiodotironina (LT3S). Pacientes com LT3S podem ter ativação plaquetária anormal e aumento da agregação plaquetária.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Triiodothyronine / Blood Platelets / Euthyroid Sick Syndromes / Nephrotic Syndrome Type of study: Diagnostic study / Risk factors Limits: Adult / Female / Humans / Male Language: English Journal: Rev. Assoc. Med. Bras. (1992) Year: 2019 Type: Article Affiliation country: China Institution/Affiliation country: Nanjing Medical University/CN / Nantong University/CN

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Full text: Available Index: LILACS (Americas) Main subject: Triiodothyronine / Blood Platelets / Euthyroid Sick Syndromes / Nephrotic Syndrome Type of study: Diagnostic study / Risk factors Limits: Adult / Female / Humans / Male Language: English Journal: Rev. Assoc. Med. Bras. (1992) Year: 2019 Type: Article Affiliation country: China Institution/Affiliation country: Nanjing Medical University/CN / Nantong University/CN