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Year : 2019  |  Volume : 13  |  Issue : 3  |  Page : 423-429

Esmolol infusion reduces blood loss and opiate consumption during fertility preserving myomectomy

1 Department of Anesthesia and ICU, Faculty of Medicine, Tanta University, Tanta, Egypt
2 Department of Obstetrics and Gynecology, Faculty of Medicine, Tanta University, Tanta, Egypt

Correspondence Address:
Jehan Mohammad Ezzat Hamed
Department of Anesthesia and ICU, Faculty of Medicine, Tanta University, El-Geish Street, Tanta 31527
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/aer.AER_118_19

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Objectives: The objective of this study is to evaluate the effect of esmolol-induced hypotensive anesthesia (EIHA) on intra-operative (IO) bleeding during open myomectomy. Patients and Methods: Eighty-eight women were randomly divided into the study group received EIHA without uterine tourniquet and control group who received normotensive anesthesia with uterine tourniquet. EIHA was provided as priming dose of esmolol (0.5 before the induction of anesthesia and esmolol infusion (0.05-0.3 to maintain mean arterial pressure at 60–70 mmHg that was stopped on completion of myomectomy. Fentanyl was used as IO analgesia (loading dose: 1.0 μ then infusion of 0.2-0.4 μ All patients received 6% hydroxyethyl starch (HES; initially, 3 over 5-10 minutes and supplemental doses according to requirements) and Lactated Ringer's solution (LR; 5 Trigger for blood transfusion was hemoglobin concentration (HBC) <7 g.dL-1. Study outcomes included the extent of postoperative (PO) HBC deficit in relation to preoperative HBC, frequency of tourniquet application for the study patients, and total fentanyl consumption. Results: EIHA significantly reduced blood pressure measures since laryngoscopy and tracheal intubation till the end of surgery in the study group compared to control group. Eight study patients (18.9%) required tourniquet application for control of bleeding; however, amount of IO blood loss; total field visibility score and PO HBC deficit were non significantly lower in the study group. EIHA allowed significant reduction of the IO amount of LR and additional amounts of HES infusions. Study patients group consumed significantly lower IO fentanyl doses with significantly longer duration till the 1st PO request and the number of additional fentanyl, and lower numeric rating scale scores in study group compared to controls. Conclusion: Open myomectomy under EIHA is feasible and safe and allows fertility-sparing with minimal risk of blood transfusion. The applied procedure of EIHA allowed blunting of pressor reflexes secondary to LIT, surgical stresses and extubation, and allowed reduction of IO and PO opioid doses.

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