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Blood Loss and Visibility with Esmolol vs Labetalol in Endoscopic Sinus Surgery: A Randomized Clinical Trial.

ABSTRACT: Objectives:Improved intraoperative visibility during functional endoscopic sinus surgery (FESS) decreases the risk of serious orbital or skull base injuries. Esmolol and labetalol have been used to reduce bleeding and achieve better visibility, but it remains unclear which drug is more effective. This study aims to measure visibility scores and mucosal bleeding rates for esmolol and labetalol in FESS. Methods:This is a 1-year randomized double-blind trial of adults undergoing FESS at a tertiary academic center. The inclusion criteria were as follows: age 18 or older; history of chronic rhinosinusitis (CRS) with or without nasal polyps; undergoing FESS for CRS; and American Society of Anesthesiologists (ASA) physical status 1 (healthy) or 2 (patient with mild systemic disease). The exclusion criteria were as follows: pregnancy; asthma, chronic obstructive pulmonary disease (COPD), bradycardia, heart failure, end-stage renal disease, cerebrovascular accident, diabetes mellitus; preoperative use of nonsteroidal anti-inflammatory drugs (NSAIDs), aspirin, or beta-blockers; and body mass index (BMI) greater than 40?kg/m2. Patients received either dose-infused esmolol or intravenous push labetalol. The primary outcome was intraoperative visibility determined by surgeon using validated scoring systems (Boezaart, Wormald). The secondary outcome was hemodynamic control (rate of blood loss, average mean arterial pressure [MAP], average heart rate [HR]). Hypothesis of no difference between drugs formed before data collection. Results:Of the 32 adults given drug (mean age?=?50), 28 patients (13 esmolol and 15 labetalol) with complete data were included in the final analysis. There were no statistically significant differences between esmolol and labetalol in rate of blood loss (0.59 [0.28] vs 0.66 [0.37] mL/min, P?=?0.62), average MAP (79.7 [7.5] vs 79.4 [7.7] mm?Hg, P?=?.93), HR (72 [8.7] vs 68 [11.7] bpm, P?=?.26), or mean visibility scores for the Boezaart (3.1 [0.69] vs 3.1 [0.89], P?=?.85) and Wormald (6.1 [1.7] vs 5.9 [1.9], P?=?.72) grading scales. Conclusions:There were no significant differences between esmolol and labetalol in rate of blood loss, MAP control, HR, or surgical visibility in FESS. Either drug may be used, and other considerations (availability, cost) can dictate choice.

SUBMITTER: Lavere PF

PROVIDER: S-EPMC6537490 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Blood Loss and Visibility with Esmolol vs Labetalol in Endoscopic Sinus Surgery: A Randomized Clinical Trial.

Lavere Philip F PF Rana Nikunj A NA Kinsky Michael P MP Funston J Sean JS Mohamed Sharif S SS Chaaban Mohamad R MR

Clinical medicine insights. Ear, nose and throat 20190510

<h4>Objectives</h4>Improved intraoperative visibility during functional endoscopic sinus surgery (FESS) decreases the risk of serious orbital or skull base injuries. Esmolol and labetalol have been used to reduce bleeding and achieve better visibility, but it remains unclear which drug is more effective. This study aims to measure visibility scores and mucosal bleeding rates for esmolol and labetalol in FESS.<h4>Methods</h4>This is a 1-year randomized double-blind trial of adults undergoing FESS ...[more]

PMID: 31205435

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Project description:BackgroundDeliberate hypotension is used to provide a bloodless field during functional endoscopic sinus surgery; however, the impact of controlled hypotension during anesthesia on peripheral tissue perfusion has not been extensively evaluated. The aim of this study was to compare the impact of nitroglycerin- versus labetalol-induced hypotension on peripheral perfusion.MethodsThe present randomized, double-blinded, controlled trial included adult patients undergoing endoscopic sinus surgery. Patients were allocated to one of two groups according to the drug received for induction of deliberate hypotension: nitroglycerin (n = 20) or labetalol (n = 20). Mean arterial pressure was maintained at 55-65 mmHg in both groups. Both study groups were compared according to pulse oximeter-derived peripheral perfusion index (primary outcome), serum lactate level, mean arterial pressure, heart rate, surgical field score, and intraoperative blood loss.ResultsForty patients were included in the final analysis. The nitroglycerin group exhibited a higher peripheral perfusion index at nearly all records (p < 0.0001) and lower postoperative serum lactate levels (1.3 ± 0.2 mmol/L vs. 1.7 ± 0.4 mmol/L; p = 0.001) than the labetalol group. The peripheral perfusion index was higher in the nitroglycerin group than at baseline at most intraoperative readings. The median surgical field score was modestly lower in the labetalol group than in the nitroglycerin group in the first 20 min (2 [interquartile range (IQR) 2-2.5] versus 1.5 [IQR 1-2]; p = 0.001). Both groups demonstrated comparable and acceptable surgical field scores in all subsequent readings.ConclusionNitroglycerin-induced deliberate hypotension was accompanied by higher peripheral perfusion index and lower serum lactate levels than labetalol-induced deliberate hypotension during sinus endoscopic surgery.Trial registrationThe study was registered at clinicaltrials registry system with trial number: NCT03809065. Registered at 19 January 2019. This study adheres to CONSORT guidelines.

Project description:Importance:Intravenous acetaminophen is a commonly prescribed analgesic for the prevention and treatment of postsurgical pain. Its efficacy in the context of endoscopic sinus surgery (ESS) has yielded mixed results. Objective:To compare the efficacy of perioperative intravenous acetaminophen (IVAPAP) with that of placebo in improving early postoperative pain after endoscopic sinus surgery (ESS). Design, Setting, and Participants:A prospective, randomized clinical trial including 62 patients undergoing ESS for chronic rhinosinusitis in a single tertiary referral hospital. Interventions:Participants were randomized to receive 1 g of IVAPAP or 100 mL of placebo consisting of saline infusions immediately before the start of surgery and 4 hours after the initial dose. Main Outcomes and Measures:The primary outcome was postoperative pain measured by visual analog scale (VAS) scores up to 24 hours after surgery by blinded observers. Secondary endpoints included postoperative opioid (intravenous and oral) use and adverse events in the 24-hour postoperative period. Results:Of the 62 enrolled adult participants, 60 were randomized (31 to IVAPAP intervention and 29 to placebo). The mean (SD) age of participants was 53.7 (14.7) years and 35 (58%) of the participants were men and 25 (42%) were women. Within the first hour, mean pain scores were reduced in the IVAPAP group compared with the control group, reaching a maximum difference of 7.7 mm on a VAS scale favoring the treatment group with a true difference possibly as high as 22 mm, and the data are compatible with a clinically meaningful difference. At 12- and 24-hours, average pain scores were less in the placebo group and the data are compatible with a clinically meaningful difference of 5.8 (-5.2 to 16.8) and 8.2 (-1.9 to 18.4), respectively, favoring the placebo group. However, at all time points the CIs included the null value and were wide, thus preventing definitive conclusions. Inspection of the secondary outcomes favored IVAPAP, but the wide range of the CIs and inclusion of the null value prevent definitive conclusions. Conclusions and Relevance:The results of this study are inconclusive. The data suggest that perioperative intravenous acetaminophen may reduce immediate postoperative pain and opioid requirements compared with placebo and these differences could be clinically meaningful. Unfortunately, the imprecision of the estimates prevents definitive conclusion. Use of IVAPAP does not seem to increase adverse events. Trial Registration:clinicaltrials.gov Identifier: NCT01608308.

Dataset Information

Blood Loss and Visibility with Esmolol vs Labetalol in Endoscopic Sinus Surgery: A Randomized Clinical Trial.

Publications

Blood Loss and Visibility with Esmolol vs Labetalol in Endoscopic Sinus Surgery: A Randomized Clinical Trial.

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