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Dexmedetomidine for conscious sedation with colorectal endoscopic submucosal dissection: a prospective double-blind randomized controlled study.

ABSTRACT: Conscious sedation for colorectal endoscopic submucosal dissection (ESD) has not been standardized, and there are no studies of sedation for colorectal ESD.We conducted a prospective double-blind randomized controlled trial to clarify the usefulness of DEX during colorectal ESD. In total 80 patients with colorectal ESD from April 2016 to May 2017 were assigned to the placebo group or the DEX group (40 cases each). The primary outcome was patient satisfaction (visual analogue scale: VAS). Secondary outcomes were evaluated for 13 factors, including patient pain level (VAS), endoscopist satisfaction (VAS), objective patient pain level viewed from the endoscopist's perspective (VAS), rate of patient response, rate of side effects, etc., from the patient's and endoscopist's perspectives.Patient satisfaction was 8.4 and 9.1 (P?=?0.018) in the placebo group and the DEX group, respectively. Secondary outcomes of patient pain level, endoscopist satisfaction, objective patient pain level from the endoscopist's perspective for the placebo and DEX groups were 1.2 and 0.4 (P?=?0.045), 8.2 and 9.3 (P?

SUBMITTER: Kinugasa H

PROVIDER: S-EPMC6030068 | biostudies-other | 2018 Jul

REPOSITORIES: biostudies-other

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Dexmedetomidine for conscious sedation with colorectal endoscopic submucosal dissection: a prospective double-blind randomized controlled study.

Kinugasa Hideaki H Higashi Reiji R Miyahara Koji K Moritou Yuki Y Hirao Ken K Ogawa Tsuneyoshi T Kunihiro Masaki M Nakagawa Masahiro M

Clinical and translational gastroenterology 20180704 7

<h4>Objective</h4>Conscious sedation for colorectal endoscopic submucosal dissection (ESD) has not been standardized, and there are no studies of sedation for colorectal ESD.<h4>Methods</h4>We conducted a prospective double-blind randomized controlled trial to clarify the usefulness of DEX during colorectal ESD. In total 80 patients with colorectal ESD from April 2016 to May 2017 were assigned to the placebo group or the DEX group (40 cases each). The primary outcome was patient satisfaction (vi ...[more]

PMID: 29970896

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Project description:Breast lumpectomy is usually performed under general or local anesthesia. To the best of our knowledge, whether conscious sedation with intranasal dexmedetomidine and local anesthesia is an effective anesthetic technique has not been studied. Thus, the present study aimed to investigate the effectiveness of conscious sedation with intranasal dexmedetomidine combined with local anesthesia in breast lumpectomy, and to identify its optimal dose. A prospective randomized, double-blinded, placebo-controlled, single-center study was designed, and patients undergoing breast lumpectomies were recruited based on the inclusion and exclusion criteria. All patients were randomly allocated to four groups: i) Local anesthesia with 0.9% intranasal saline (placebo); local anesthesia with ii) 1 µg.kg-1; iii) 1.5 µg.kg-1; or iv) 2 µg.kg-1 intranasal dexmedetomidine. The sedation status, pain relief, vital signs, adverse events, and satisfaction of patient and surgeon were recorded. Patients in the three dexmedetomidine groups were significantly more sedated and experienced less pain compared with the placebo group 45 min after intranasal dexmedetomidine administration and during 30 min in the post-anesthesia care unit. Patients in the 1.5 µg.kg-1 group were more sedated compared with the 1 µg.kg-1 group (without reaching statistical significance), whereas the 1.5 µg.kg-1 group exhibited a similar level of sedation 45 min after intranasal dexmedetomidine administration compared with the 2 µg.kg-1 group. In addition, patients in the 1 and 1.5 µg.kg-1 group experienced no adverse hemodynamic effects. Patient and surgeon satisfaction were greater in the 1.5 µg.kg-1 group compared with the 1 and 2 µg.kg-1 groups. Taken together, the results of the present study suggested that conscious sedation with intranasal dexmedetomidine and local anesthesia may be an effective anesthetic for breast lumpectomy surgery, and that the optimal dose for intranasal dexmedetomidine administration may be 1.5 µg.kg-1, as it resulted in good sedation and patient satisfaction without adverse effects.

Project description:BackgroundAlthough endoscopic submucosal dissection (ESD) is routinely performed under sedation, the difference in ESD performance according to sedation method is not well known. This study attempted to prospectively assess and compare the satisfaction of the endoscopists and patient stability during ESD between two sedation methods.MethodsOne hundred and fifty-four adult patients scheduled for ESD were sedated by either the IMIE (intermittent midazolam/propofol injection by endoscopist) or CPIA (continuous propofol infusion by anesthesiologist) method. The primary endpoint of this study was to compare the level of satisfaction of the endoscopists between the two groups. The secondary endpoints included level of satisfaction of the patients, patient's pain scores, events interfering with the procedure, incidence of unintended deep sedation, hemodynamic and respiratory events, and ESD outcomes and complications.ResultsLevel of satisfaction of the endoscopists was significantly higher in the CPIA Group compared to the IMIE group (IMIE vs. CPIA; high satisfaction score; 63.2% vs. 87.2%, P=0.001). The incidence of unintended deep sedation was significantly higher in the IMIE Group compared to the CPIA Group (IMIE vs. CPIA; 17.1% vs. 5.1%, P=0.018) as well as the number of patients showing spontaneous movement or those requiring physical restraint (IMIE vs. CPIA; spontaneous movement; 60.5% vs. 42.3%, P=0.024, physical restraint; 27.6% vs. 10.3%, P=0.006, respectively). In contrast, level of satisfaction of the patients were found to be significantly higher in the IMIE Group (IMIE vs. CPIA; high satisfaction score; 85.5% vs. 67.9%, P=0.027). Pain scores of the patients, hemodynamic and respiratory events, and ESD outcomes and complications were not different between the two groups.ConclusionContinuous propofol and remifentanil infusion by an anesthesiologist during ESD can increase the satisfaction levels of the endoscopists by providing a more stable state of sedation.Trial registrationClinicalTrials.gov NCT01806753.

Project description:BackgroundEndoscopic submucosal dissection (ESD) is widely used as an effective treatment of early gastric and esophageal tumors, as it is minimally invasive, safe, and convenient. Epigastric pain is a common complication of ESD. In the traditional cognition, the postoperative pain of ESD is not serious and does not attach too much attention. However, previous studies found that the incidence of moderate to severe pain after ESD can be as high as 44.9~62.8%. At present, there is no unified understanding of how to carry out good postoperative analgesia in patients undergoing ESD of stomach and esophagus. The purpose of present study is to investigate the efficacy of intraoperative dexmedetomidine (DEX) using on postoperative pain though observing the postoperative visual analog scale (VAS) score within 48 h after ESD surgery, so as to explore an effective analgesia and anesthetic method in patients undergoing gastric and esophagus ESD.Methods/designThis study is a prospective, single-center, two-arm, randomized control trail. In total, 120 patients undergoing endoscopic submucosal dissection were stratified by type of surgery (i.e., gastric or esophagus ESD) and randomized into two treatment groups, DEX group (group D, n = 60) and control group (group C, n = 60). Patients in the experimental group (DEX group) will be administrated a loading dose of DEX at 1 μg/kg for 15 min and a continuous infusion at 0.6 μg/kg/h until 30 min before the end of operation. In control group, the same volume of normal saline was infused. The primary outcome is VAS at 2 h after ESD surgery. The secondary outcome will be VAS at 1 h, 4 h, 6 h,18 h, 24 h, and 48 h, the status of perioperative hemodynamics, the use of remedial analgesics, sedation score, shivering, postoperative nausea and vomiting (PONV), and satisfaction scores of patient and complication of ESD (such as bleeding, perforation, aspiration pneumonia).DiscussionThe results of this study will demonstrate that intraoperative application of DEX is beneficial for postoperative pain treatment in patients undergoing ESD. This study will not only confirm that postoperative pain treatment is necessary for patients undergoing ESD but also provides an effective anesthesia method for postoperative analgesia.Trial registrationChinese Clinical Trial Registry, ID: ChiCTR2100043837 , registered on March 4, 2021, http://www.chictr.org.cn .

Dataset Information

Dexmedetomidine for conscious sedation with colorectal endoscopic submucosal dissection: a prospective double-blind randomized controlled study.

Publications

Dexmedetomidine for conscious sedation with colorectal endoscopic submucosal dissection: a prospective double-blind randomized controlled study.

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