the Effect of Misoprostol on Intra-operative Blood Loss During Myomectomy Operation

Overview

assess the effect of using misoprostol in abdominal myomectomy operations on blood loss, duration of the operation and possible operative complications. Research question Does pre-operative misoprostol affect on intra-operative blood loss during and after myomectomy operation ?. Research hypothesis Pre-operative misoprostol may reduce intra-operative blood loss during and after myomectomy operation .

. Type of Study : Prospective double blind randomized placebo controlled clinical trial. * Study Setting : This study will be conducted in Ain Shams University Maternity hospital. * Study Period : 6 months * Study Population : Patients will be recruited in this study those attending gynecology ward at Ain Shams University Maternity hospital who are 25-50 years old with symptomatic uterine myoma Methodology All women will be subjected to: History taking: It includes name, age, occupation, marriage and special habits,last menstrual period, menstrual history, history of present illness ( symptoms related to myoma ), any medical disorders and any previous surgeries. Examination General examination: It includes blood pressure, heart rate and body temperature, body mass index, head\& neck examination Bilateral lower limb examination. Abdominal examination: It includes: 1. Inspection : pelvi-abdominal swelling 2. Palpation : smooth or irregular surface - mobility - consistency - size - tenderness 3. Auscultation : soufflé ( increased vascularity ) 4. Percussion : dullness Local examination: Vaginal examnation will be done to detect uterine swelling with transmitted movement to the cervix . if movement not transmitted to cervix , it revealed extra-uterine swelling , also examination of adnexa Investigations Ultrasonography ( abdominal / vaginal ), (hysteroscopy , MRI , D\&C if indicated ) Pre-operative investigation ( Complete blood picture, blood group , RH, hematocrite , Kidney Function Test , Liver Function Test , random Blood Sugar , urine analysis Intervention All women will be randomly assigned to either: Group A ( study group ) ( 25 patient): who will receive placebo . two rectal placebo tablet of the same size and shape as the misoprostol. Group B (control group ) ( 25 patient): who will receive 400 microgram (tablet 200mcg X 2) misoprostol rectally one hour before operation In all operations, the abdomen is entered by a Pfannenstiel incision. The operations are performed by the same team to avoid any bias related to surgical skills. The total volume of intra-operative blood loss is estimated by measuring the amount of blood accumulated in the suction container and the amount of blood on the surgical gauze by gauze weighting, the surgical gauzes are weighted before and after surgery using a scale accurate to 1 gram and the weight difference was calculated. The weight of 1 gram is taken as 1 ml blood. Vital data during operation and the duration of the operation are recorded (time from opening of the peritoneum until its closure). The postoperative haemoglobin level is measured for each participant 24 h after the operation. Records are kept for any intra-operative or postoperative blood transfusion. Any postoperative adverse events, including any febrile episode (increase to or over 38.5°C in body temperature within 24 h following surgery) are documented. Also post operative vital data will be recorded

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