Detecting Hypercoagulability in Morbidly Obese and Non Obese Parturients Following Cesarean Section Delivery
Thromboelastometry (ROTEM) For Detecting Hypercoagulability in Morbidly Obese and Non Obese Parturients Following Cesarean Section Delivery: An Observational Study
Descripción general del estudio
Estado
Condiciones
Descripción detallada
Following institutional ethical committee approval, 20 morbidly obese (BMI>40) and 20 non-obese (BMI < 30) parturients undergoing elective low segment cesarean section (LSCS) delivery under spinal subarachnoid block will be recruited into the study. A written informed consent will be obtained from all parturients prior to inclusion. All patients will receive an information sheet at the preoperative assessment visit to inform them about this study. Patients with a history of past or current thromboembolism will be excluded from the study as well as those with liver disease and those already on anticoagulant/anti-platelet therapy for repeated miscarriage or other indications. History of thromboembolism is defined as an arterial or deep venous thrombosis, catheter thrombosis, or pulmonary embolism diagnosed by ultrasound or spiral computed tomography (CT). Preoperative baseline full blood count and clotting profile will be done. Parturients with abnormal platelet count or coagulation results and those who will need conversion to general anesthesia will be excluded.
Data and sample collection Preoperative BMI, co-existing morbidities and laboratory test results including INR, PTT and platelet count as well as operative time and postoperative clinical or radiological evidence of thromboembolism will be recorded. A blood sample will be collected for ROTEM analysis prior to establishing the block (baseline), immediately after surgery and 8 hours later.
ROTEM analysis
Coagulability will be assessed using the ROTEM thromboelastometry analyzer (The ROTEM® delta, Tem Systems Inc.®, Munich, Germany). Extrinsic rotational thromboelastometry (EXTEM), intrinsic rotational thromboelastometry (INTEM) and FIBTEM will be measured for each blood sample. Clotting time (CT), clot formation time (CFT) and maximum clot firmness (MCF) will be recorded. Total clot strength will be assessed by "G" value as calculated according to the formula: (5000xMCF)/100-MCF and expressed as dynes/cm2 . G has been shown to be valuable in diagnosing hypo- and hypercoagulability . In non-obstetric cohorts, hypercoagulability was defined as a G value of ≥ 11.7 dynes/cm2 and hypocoagulability as a G value of <5.0 dynes/cm2 (values provided by manufacturer).
Tipo de estudio
Inscripción (Actual)
Contactos y Ubicaciones
Ubicaciones de estudio
-
-
-
Abu Dhabi, Emiratos Árabes Unidos, 3788
- Corniche Hospital
-
-
Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Método de muestreo
Población de estudio
Descripción
Inclusion Criteria:
- pregnant women at term presenting for cesarean section under spinal anaesthesia with BMI less than 30 and more than 40
Exclusion Criteria:
- Patients with BMI between 30 and 40 BMI
- Patients with a history of past or current thromboembolism.
- Patients with history of liver disease and those on anticoagulant/anti-platelet therapy
- Patients who requires perioperative blood transfusion
- Patients having General anaesthesia
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
Cohortes e Intervenciones
Grupo / Cohorte |
|---|
|
morbidly obese pregnant
Term pregnant women with BMI more than 40
|
|
non obese pregnant
Term pregnant women with BMI less than 30
|
¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
|
Calculated clot strength using EXTEM Maximum Clot Firmness (G value for EXTEM)
Periodo de tiempo: 8 hours
|
"G" value will be calculated according to the formula: (5000xMCF)/100-MCF and expressed as dynes/cm2
|
8 hours
|
Medidas de resultado secundarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
|
EXTEM clotting time and clot formation time in seconds.
Periodo de tiempo: 8 hours
|
measured ROTEM thromboelastometry variables
|
8 hours
|
|
EXTEM maximum clot firmness in millimeters
Periodo de tiempo: 8 hours
|
measured ROTEM thromboelastometry variable
|
8 hours
|
|
INTEM clotting time and clot formation time in seconds.
Periodo de tiempo: 8 hours
|
measured ROTEM thromboelastometry variables
|
8 hours
|
|
INTEM maximum clot firmness in millimeters
Periodo de tiempo: 8 hours
|
measured ROTEM thromboelastometry variable
|
8 hours
|
|
FIBTEM maximum clot firmness in millimeters
Periodo de tiempo: 8 hours
|
measured ROTEM variable
|
8 hours
|
Colaboradores e Investigadores
Patrocinador
Investigadores
- Investigador principal: Mohamed Samy Abdel Raheem, FRCA, Consultant Anaesthetist
- Investigador principal: Tarek Ansari, FFARCSI, Consultant Anaesthetist
- Investigador principal: Waleed Riad, MD, Consultant Anaesthetist
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio (Actual)
Finalización primaria (Actual)
Finalización del estudio (Actual)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Estimar)
Actualizaciones de registros de estudio
Última actualización publicada (Actual)
Última actualización enviada que cumplió con los criterios de control de calidad
Última verificación
Más información
Términos relacionados con este estudio
Palabras clave
Términos MeSH relevantes adicionales
Otros números de identificación del estudio
- ch23031401
Plan de datos de participantes individuales (IPD)
¿Planea compartir datos de participantes individuales (IPD)?
Descripción del plan IPD
Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .