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Clinical profile, common thrombophilia markers and risk factors in 85 young Indian patients with arterial thrombosis / Perfil clinico, marcadores comuns de trombofilia e fatores de risco em 85 pacientes indianos jovens com trombose arterial
Mishra, Mahendra Narain; Kalra, Ravi; Rohatgi, Shalesh.
  • Mishra, Mahendra Narain; Dr. Lal Path Labs Pvt Ltd.. Department of Pathology. New Delhi. IN
  • Kalra, Ravi; Dr. Lal Path Labs Pvt Ltd.. Department of Pathology. New Delhi. IN
  • Rohatgi, Shalesh; Dr. Lal Path Labs Pvt Ltd.. Department of Pathology. New Delhi. IN
São Paulo med. j ; 131(6): 384-388, 2013. tab
Article in English | LILACS | ID: lil-697427
ABSTRACT
CONTEXT AND

OBJECTIVE:

Arterial thrombosis may occur consequent to hereditary thrombophilia and increased lipoprotein(a) [Lp(a)] and fibrinogen. Our aim was to study the prevalence of common thrombophilia markers in 85 consecutive cases of arterial thrombosis. DESIGN AND

SETTING:

A retrospective study was conducted from 85 consecutive young patients treated as outpatients or admitted due to stroke or myocardial infarction at a tertiary care hospital.

METHODS:

Eighty-five Indian patients (age < 45 years) presenting ischemic stroke (n = 48) or myocardial infarction (n = 37) and 50 controls were studied for seven thrombophilia markers including antithrombin (AT), factor V, protein C, protein S, activated protein C resistance (APC-R), fibrinogen and Lp(a). Functional assays for protein C, protein S, factor V and APC-R were performed using clotting-based methods. Semi-quantitative estimation of fibrinogen was done using Clauss's method and Lp(a) using immunoturbidimetry. Statistical analysis was done using the Epi Info 6 software.

RESULTS:

Thirty-three samples (38.8%) tested positive for one or more thrombophilia markers. The three commonest abnormalities were elevated Lp(a) (20%), fibrinogen (17.6%) and low APC-R (14.2%). Low levels of protein C, protein S and AT were present in 4.7, 9.4 and 7% of the patients, respectively. Overall, the risk factor profile was smoking (33%), positive family history (15.3%), hyperlipidemia (7%), hypertension, diabetes mellitus and obesity (2.3% each).

CONCLUSIONS:

An association was found between low levels of protein C, protein S and AT and arterial thrombosis, but only elevated fibrinogen levels, smoking, positive family history and hyperlipidemia showed statistical significance. .
RESUMO
CONTEXTO E

OBJETIVO:

Trombose arterial pode ocorrer em consequência de trombofilias hereditárias e de lipoproteína (a) [Lp (a)] e fibrinogênio aumentados. Nosso objetivo foi estudar a predominância de marcadores comuns da trombofilia em 85 casos consecutivos de trombose arterial. TIPO DE ESTUDO E LOCAL Um estudo retrospectivo foi realizado sobre 85 pacientes jovens tratados consecutivamente no ambulatório ou admitidos por infarto do miocárdio ou acidente vascular cerebral (AVC) num hospital de cuidado terciário.

MÉTODOS:

Oitenta e cinco pacientes indianos (idade < 45 anos) que se apresentaram com AVC isquêmico (n = 48) ou infarto do miocárdio (n = 37) e 50 controles foram estudados para sete marcadores de trombofilia que incluíram antitrombina (AT), fator V, proteína C, proteína S, resistência ativada da proteína C (APC-R), fibrinogênio e Lp (a). Os ensaios funcionais da proteína C, proteína S, fator V e APC-R foram executados por métodos baseados em coagulação. A avaliação semiquantitativa do fibrinogênio foi feita pelo método de Clauss e a Lp(a) por imunoturbimetria. A análise estatística foi feita pelo software Epi Info 6.

RESULTADOS:

Trinta e três amostras (38.8%) foram positivas para um ou vários marcadores do trombofilia. As anomalias mais comuns foram Lp (a) (20%), fibrinogênio (17.6%) e APC-R (14.2%) elevados. Baixos níveis da proteína C, proteína S e AT foram detectados em 4.7%, 9.4% e 7% dos pacientes, respectivamente. Globalmente, os perfis dos fatores de risco foram fumo (33%), antecedentes familiares positivos (15.3%), hiperlipidemia (7%), hipertensão, diabetes mellitus e obesidade (2.3% cada).

CONCLUSÕES:

Uma associação foi encontrada entre baixos níveis de proteína C, proteína S, AT e trombose arterial, ...
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Thrombosis / Thrombophilia / Stroke / Myocardial Infarction Type of study: Etiology study / Observational study / Risk factors Limits: Adolescent / Adult / Child / Child, preschool / Female / Humans / Male Country/Region as subject: Asia Language: English Journal: São Paulo med. j Journal subject: Cirurgia Geral / Ciˆncia / Ginecologia / Medicine / Medicina Interna / Obstetr¡cia / Pediatria / Sa£de Mental / Sa£de P£blica Year: 2013 Type: Article Affiliation country: India Institution/Affiliation country: Dr. Lal Path Labs Pvt Ltd./IN

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Full text: Available Index: LILACS (Americas) Main subject: Thrombosis / Thrombophilia / Stroke / Myocardial Infarction Type of study: Etiology study / Observational study / Risk factors Limits: Adolescent / Adult / Child / Child, preschool / Female / Humans / Male Country/Region as subject: Asia Language: English Journal: São Paulo med. j Journal subject: Cirurgia Geral / Ciˆncia / Ginecologia / Medicine / Medicina Interna / Obstetr¡cia / Pediatria / Sa£de Mental / Sa£de P£blica Year: 2013 Type: Article Affiliation country: India Institution/Affiliation country: Dr. Lal Path Labs Pvt Ltd./IN