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      • Record: found
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      Sevoflurane is an effective adjuvant to propofol-based total intravenous anesthesia for attenuating cough reflex in nonintubated video-assisted thoracoscopic surgery

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          Abstract

          Background:

          Nonintubated video-assisted thoracic surgery (VATS) has been widely developed during the recent years. Cough reflex is an inevitably encountered problem while approaching lung lesions, and it may induce major bleeding. Sevoflurane anesthesia may attenuate cough reflex by inhibiting the pulmonary irritant receptors. However, the incidence of postoperative nausea and vomiting (PONV) in inhalational anesthesia is higher than in the propofol-based total intravenous anesthesia (TIVA). We investigated the effect of sevoflurane combination with propofol-based TIVA on cough reflex and PONV in nonintubated VATS.

          Methods:

          Ninety patients undergoing nonintubated VATS with laryngeal mask airway (LMA) and spontaneous breathing were randomly assigned for TIVA or propofol/sevoflurane anesthesia. In the TIVA group (n = 45), anesthesia was induced and maintained with propofol and fentanyl; in the propofol/sevoflurane (P/S) group (n = 45), 1% sevoflurane anesthesia was added to propofol and fentanyl anesthesia. The primary outcome measurements were cough reflex. In addition, the incidence of PONV and extubation time were investigated.

          Results:

          Patients with cough reflex were significantly fewer in the P/S group than in the TIVA group (10/45 vs 34/45; P < .001). The cough severity (35/5/5/0 vs 11/17/17/0; P < .001) and limb movement (40/5/0/0 vs 28/17/0/0; P < .001) were lower in the P/S group than in the TIVA group. Besides, incremental fentanyl bolus for cough reflex was 5 (0 [0–1]) in the P/S group and 17 (0 [0–3]) in the TIVA group ( P < .05). And there was no conversion to general anesthesia, postoperative hemorrhage, aspiration pneumonia, or PONV in the 2 groups. Besides, there was no significant difference in extubation time (TIVA: 5.04 ± 2.88 vs P/S: 4.44 ± 2.98 minutes; P = .33).

          Conclusion:

          Sevoflurane attenuated cough reflex under propofol-based TIVA and did not increase the incidence of PONV and extubation time in nonintubated VATS.

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          Most cited references39

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          Neutrophil:lymphocyte ratio and intraoperative use of ketorolac or diclofenac are prognostic factors in different cohorts of patients undergoing breast, lung, and kidney cancer surgery.

          Patrice Forget, Jean-Pascal Machiels, Pierre Coulie … (2013)
          Inflammation is associated with a worse outcome in cancer and neutrophil:lymphocyte ratio (NLR) is a strong prognostic value. In cancer, nonsteroidal anti-inflammatory drugs (NSAIDs) could be of interest. We investigated the prognostic significance of NLR and the impact of intraoperative NSAIDs in cancer surgeries. We performed an observational study in early breast, kidney, and lung cancers (357, 227, and 255 patients) with uni- and multivariate analyses (Cox model). In breast cancer (Centre 1), NLR ≥ 4 is associated with a higher risk of relapse (hazards ratio (HR) = 2.41; 95 % confidence interval (CI) 1.01-5.76; P = 0.048). In breast cancer (Centre 2), NLR ≥ 3 is associated with a higher risk of relapse (HR = 4.6; 95 % CI 1.09-19.1; P = 0.04) and higher mortality (HR = 4.0; 95 % CI 1.12-14.3; P = 0.03). In kidney cancer, NLR ≥ 5 is associated with a higher risk of relapse (HR = 1.63; 95 % CI 1.00-2.66; P = 0.05) and higher mortality (HR = 1.67; 95 % CI 1.0-2.81; P = 0.05). In lung cancer, NLR ≥ 5 is associated with higher mortality (HR = 1.45; 95 % CI 1.02-2.06; P = 0.04). The intraoperative use of NSAIDs in breast cancer patients (Centre 1) is associated with a reduced recurrence rate (HR = 0.17; 95 % CI 0.04-0.43; P = 0.0002) and a lower mortality (HR = 0.25; 95 % CI 1.08-0.75; P = 0.01). NSAIDs use at the beginning of the surgery is independently associated with a lower metastases risk after lung cancer surgery (HR = 0.16; 95 % CI 0.04-0.63; P = 0.009). Ketorolac use is independently associated with longer survival (HR = 0.55; 95 % CI 0.31-0.95; P = 0.03). In these cohorts, these analyses show that NLR is a strong perioperative prognosis factor for breast, lung, and kidney cancers. In this context, intraoperative NSAIDs administration could be associated with a better outcome.
          Article 0 comments Cited 66 times – based on 0 reviews     Review now
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            Vagal afferent nerves regulating the cough reflex.

            Brendan J Canning, Nanako Mori, Stuart B Mazzone (2006)
            Coughing is initiated by activation of mechanically and chemically sensitive vagal afferent nerves innervating the airways. All afferent nerve subtypes innervating the airways can modulate the cough reflex. Rapidly adapting and slowly adapting stretch receptors (RARs and SARs, respectively) innervating the intrapulmonary airways and lung may enhance and facilitate coughing. Activation of intrapulmonary C-fibers has been shown to inhibit coughing in anesthetized animals. Extrapulmonary C-fibers and RARs can initiate coughing upon activation. C-fiber-dependent coughing is uniquely sensitive to anesthesia. Tracheal and bronchial C-fibers may also interact with other afferents to enhance coughing. Recent studies in anesthetized guinea pigs have identified a myelinated afferent nerve subtype that can be differentiated from intrapulmonary RARs and SARs and play an essential role in initiating cough. Whether these "cough receptors" are the guinea pig equivalent of the irritant receptors described in the extrapulmonary airways of other species is unclear.
            Article 0 comments Cited 49 times – based on 0 reviews     Review now
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              How to study postoperative nausea and vomiting.

              C. C. Apfel, N Roewer, K Korttila (2002)
              Anesthesiological journals are flooded by innumerable studies of postoperative nausea and vomiting (PONV). Nevertheless, PONV remains a continuing problem with an average incidence of 20-30%. This paper should provide essential information for the design, conduct, and presentation of these studies. It should also increase comparability among future studies and help clinicians in assessing and reading the literature on PONV. First, future studies should address new and relevant questions instead of repeatedly investigating prophylactically given antiemetics whose main results are predictable (e.g. already proven by meta-analysis). Second, group comparability should be based on well-proven risk factors and a simplified risk score for predicting PONV. Endless listings of doubtful risk factors should be avoided. Third, a realistic sample size estimation should be performed, i.e. in most cases at least 100 patients per group are necessary. Fourth, nausea, vomiting and rescue medication should be recorded and reported separately with the corresponding incidences (and number of patients with these separate symptoms), and the main end-point should be PONV. The entire observation period should cover 24 h. Additional reporting of the early (0-2 h) and delayed (2-24 h) postoperative period is desirable and should consider single and cumulative incidences. Lastly, interpretation of results should take into account the study hypothesis, sources of potential bias or imprecision, and the difficulties associated with multiplicity of analysis and outcomes.
              Article 0 comments Cited 45 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (nlm-ta): Medicine (Baltimore)
                Journal ID (iso-abbrev): Medicine (Baltimore)
                Journal ID (publisher-id): MEDI
                Title: Medicine
                Publisher: Wolters Kluwer Health
                ISSN (Print): 0025-7974
                ISSN (Electronic): 1536-5964
                Publication date Collection: October 2018
                Publication date (Electronic): 19 October 2018
                Volume: 97
                Issue: 42
                Electronic Location Identifier: e12927
                Affiliations
                [a ]Department of Anesthesiology
                [b ]Division of Chest Surgery, Department of Surgery, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan, Republic of China.
                Author notes
                [∗ ]Correspondence: Zhi-Fu Wu, Department of Anesthesiology, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan, Republic of China, #325, Section 2, Chenggung Road, Neihu 114, Taipei, Taiwan, Republic of China (e-mail: aneswu@ 123456gmail.com ).
                Article
                Publisher ID: MD-D-18-05044 Accession ID: 12927
                DOI: 10.1097/MD.0000000000012927
                PMC ID: 6211903
                PubMed ID: 30335029
                SO-VID: c8e01022-8b21-4652-af1b-f04c4ccafcf8
                Copyright © Copyright © 2018 the Author(s). Published by Wolters Kluwer Health, Inc.
                License:

                This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. http://creativecommons.org/licenses/by-nc-nd/4.0

                History
                Date received : 20 July 2018
                Date accepted : 27 September 2018
                Categories
                Subject: 3300
                Subject: Research Article
                Subject: Clinical Trial/Experimental Study
                Custom metadata
                OPEN-ACCESS TRUE

                Keywords: anesthesia,cough reflex,nonintubated video-assisted thoracic surgery,postoperative nausea and vomiting,propofol,sevoflurane
                Data availability:
                Keywords: anesthesia, cough reflex, nonintubated video-assisted thoracic surgery, postoperative nausea and vomiting, propofol, sevoflurane

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