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  1. Article ; Online: Determinants for the duration of a single-shot interscalene brachial plexus block: concentration vs. volume of local anesthetics.

    Kim, Seong-Hyop

    Korean journal of anesthesiology

    2021  Volume 74, Issue 3, Page(s) 189–190

    MeSH term(s) Anesthetics, Local/adverse effects ; Brachial Plexus Block/adverse effects ; Humans ; Ropivacaine
    Chemical Substances Anesthetics, Local ; Ropivacaine (7IO5LYA57N)
    Language English
    Publishing date 2021-05-13
    Publishing country Korea (South)
    Document type Editorial ; Comment
    ZDB-ID 2557340-8
    ISSN 2005-7563 ; 2005-6419
    ISSN (online) 2005-7563
    ISSN 2005-6419
    DOI 10.4097/kja.21150
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: The preventive effect of 5-hydroxytryptamine-3 receptor antagonist on blood pressure reduction and postoperative nausea and vomiting during general anesthesia induction: A double-blinded, randomized controlled trial.

    Hong, Seung-Wan / Kim, Seong-Hyop

    Journal of clinical anesthesia

    2023  Volume 90, Page(s) 111232

    Abstract: Study objective: Administering a 5-hydroxytryptamine-3 receptor (5-HT3) at anesthesia induction may aid in achieving hemodynamic stability during general anesthesia induced using opioids. Therefore, we aimed to evaluate the effect of ramosetron, a 5-HT3 ...

    Abstract Study objective: Administering a 5-hydroxytryptamine-3 receptor (5-HT3) at anesthesia induction may aid in achieving hemodynamic stability during general anesthesia induced using opioids. Therefore, we aimed to evaluate the effect of ramosetron, a 5-HT3 antagonist, administered on hypotension at the induction of total intravenous anesthesia (TIVA) with propofol and remifentanil. Additionally, we aimed to compare the impact of ramosetron administration at anesthesia induction versus that at the end of the surgery on postoperative nausea and vomiting (PONV).
    Design: Patients were randomly allocated to the Induction group (administration of ramosetron [0.3 mg/5 ml] at anesthesia induction and normal saline [5 ml] at the end of the surgery) or End group (administration of normal saline [5 ml] at anesthesia induction and ramosetron [0.3 mg/5 ml] at the end of the surgery). Hemodynamic status, PONV, and postoperative pain were assessed.
    Setting: Operating room, post-anesthetic care unit, and general ward.
    Patients: In total, 176 non-smoking patients without any past medical history undergoing laparoscopic gynecological surgeries under TIVA were included in the study.
    Measurements: Blood pressure (BP), heart rate, PONV, visual analog scale (VAS).
    Main results: The Induction group exhibited significantly higher BP at anesthesia induction and required significantly lower doses of phenylephrine and ephedrine during anesthesia than the End group had. However, PONV and postoperative pain were similar between the two groups.
    Conclusions: Administering ramosetron at anesthesia induction resulted in significantly better hemodynamic stability with significantly lesser requirement of phenylephrine and ephedrine than administering at the end of the surgery did. Therefore, we recommend ramosetron administration at anesthesia induction rather than at the end of the surgery to prevent PONV and the decrease in the mean BP during TIVA with propofol and remifentanil.
    MeSH term(s) Humans ; Postoperative Nausea and Vomiting/prevention & control ; Propofol ; Blood Pressure ; Ephedrine ; Receptors, Serotonin, 5-HT3 ; Remifentanil ; Saline Solution ; Hypotension ; Anesthesia, General/adverse effects ; Phenylephrine ; Pain, Postoperative
    Chemical Substances Propofol (YI7VU623SF) ; Ephedrine (GN83C131XS) ; Receptors, Serotonin, 5-HT3 ; Remifentanil (P10582JYYK) ; Saline Solution ; Phenylephrine (1WS297W6MV)
    Language English
    Publishing date 2023-08-24
    Publishing country United States
    Document type Randomized Controlled Trial ; Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1011618-7
    ISSN 1873-4529 ; 0952-8180
    ISSN (online) 1873-4529
    ISSN 0952-8180
    DOI 10.1016/j.jclinane.2023.111232
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  3. Article ; Online: Comparison of effects of telmisartan versus valsartan on post-induction hypotension during noncardiac surgery: A prospective observational study.

    Oh, Chung-Sik / Park, Jun Young / Kim, Seong-Hyop

    Korean journal of anesthesiology

    2024  

    Abstract: Background: Telmisartan is considered more potent than valsartan. Hemodynamic response during anesthesia induction may be influenced by anti-hypertension (HTN) medication. The present study compared the effect of anti-HTN medications on post-induction ... ...

    Abstract Background: Telmisartan is considered more potent than valsartan. Hemodynamic response during anesthesia induction may be influenced by anti-hypertension (HTN) medication. The present study compared the effect of anti-HTN medications on post-induction hypotension during noncardiac surgeries.
    Methods: This observational study standardized the anesthetic regimen across patients, with hypotension defined as mean blood pressure (BP) of less than 65 mmHg. The hemodynamic changes within 5 min before and after endotracheal intubation, and within 10 min before and after surgical incision were measured. Transthoracic echocardiographic evaluation of the left ventricle (LV) during anesthesia induction was performed. The primary endpoint was the decline in mean BP after anesthetic administration in telmisartan and valsartan groups. Multivariate logistic regression analysis was used to identify predictors of post-induction hypotension.
    Results: Data from 157 patients undergoing noncardiac surgery were analyzed. No significant differences were found in mean BP decline between the two groups during anesthesia induction. Hemodynamic changes and LV ejection fraction (EF) during anesthesia induction were similar between the groups. Age and preoperative initial mean BP in operation room (OR) were associated with post-induction hypotension in both groups.
    Conclusions: The angiotensin receptor blocker (ARB) type did not influence post-induction hypotension during anesthesia induction. Age and preoperative initial mean BP in OR were associated with post-induction hypotension in patients taking ARBs.
    Language English
    Publishing date 2024-02-05
    Publishing country Korea (South)
    Document type Journal Article
    ZDB-ID 2557340-8
    ISSN 2005-7563 ; 2005-7563
    ISSN (online) 2005-7563
    ISSN 2005-7563
    DOI 10.4097/kja.23658
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Remimazolam - current knowledge on a new intravenous benzodiazepine anesthetic agent.

    Kim, Seong-Hyop / Fechner, Jörg

    Korean journal of anesthesiology

    2022  Volume 75, Issue 4, Page(s) 307–315

    Abstract: Intravenous anesthetic agents such as midazolam, propofol, and ketamine are routinely used to provide anesthesia and sedation. They have been shown to effectively induce and maintain amnesia, sedation, and hypnosis in various patient groups and clinical ... ...

    Abstract Intravenous anesthetic agents such as midazolam, propofol, and ketamine are routinely used to provide anesthesia and sedation. They have been shown to effectively induce and maintain amnesia, sedation, and hypnosis in various patient groups and clinical settings. However, all anesthetic agents have the potential to cause unwanted side effects such as hemodynamic instability, respiratory depression, or slow recovery due to prolonged post-procedural sedation. Remimazolam, a recently approved benzodiazepine for general anesthesia and procedural sedation in Korea, has been successfully used for these purposes. To date, inconclusive knowledge has been obtained regarding the use of remimazolam in different patient populations and under various surgical conditions. With respect to the specific pharmacokinetic and pharmacodynamic characteristics of remimazolam, the use of remimazolam is expected to increase providing safe general anesthesia and sedation. This review aims to provide an overview of the basic and clinical pharmacology of remimazolam and to compare it with midazolam and propofol.
    MeSH term(s) Anesthesia, General ; Anesthetics, Intravenous ; Benzodiazepines/adverse effects ; Double-Blind Method ; Humans ; Hypnotics and Sedatives/adverse effects ; Midazolam/adverse effects ; Midazolam/pharmacokinetics ; Propofol/adverse effects
    Chemical Substances Anesthetics, Intravenous ; Hypnotics and Sedatives ; Benzodiazepines (12794-10-4) ; remimazolam (7V4A8U16MB) ; Midazolam (R60L0SM5BC) ; Propofol (YI7VU623SF)
    Language English
    Publishing date 2022-05-19
    Publishing country Korea (South)
    Document type Journal Article ; Review
    ZDB-ID 2557340-8
    ISSN 2005-7563 ; 2005-7563
    ISSN (online) 2005-7563
    ISSN 2005-7563
    DOI 10.4097/kja.22297
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  5. Article ; Online: Perioperative and anesthetic management of patients with rheumatoid arthritis.

    Kim, Hae-Rim / Kim, Seong-Hyop

    The Korean journal of internal medicine

    2022  Volume 37, Issue 4, Page(s) 732–739

    Abstract: Our understanding and management of rheumatoid arthritis (RA) have greatly improved, but perioperative and anesthetic management remain challenging. RA is not limited to joints; systemic evaluation is thus required when planning perioperative management. ...

    Abstract Our understanding and management of rheumatoid arthritis (RA) have greatly improved, but perioperative and anesthetic management remain challenging. RA is not limited to joints; systemic evaluation is thus required when planning perioperative management. Especially, careful airway evaluation is needed; management of airway-related arthritis is challenging. A multidisciplinary approach is essential to prevent complications without exacerbating RA disease activity. Guidelines published in 2017 are available for perioperative management of anti-rheumatic medication in patients with rheumatic diseases undergoing elective total hip or total knee arthroplasty. However, the guidelines focus only on anti- rheumatic medications, and do not consider all aspects of perioperative management (including anesthesia). Here, we discuss the perioperative and anesthetic management of patients with RA.
    MeSH term(s) Anesthetics/adverse effects ; Antirheumatic Agents/adverse effects ; Arthritis, Rheumatoid/diagnosis ; Arthritis, Rheumatoid/drug therapy ; Arthritis, Rheumatoid/surgery ; Arthroplasty, Replacement, Knee/adverse effects ; Humans ; Perioperative Care
    Chemical Substances Anesthetics ; Antirheumatic Agents
    Language English
    Publishing date 2022-06-03
    Publishing country Korea (South)
    Document type Journal Article ; Review
    ZDB-ID 639023-7
    ISSN 2005-6648 ; 1226-3303
    ISSN (online) 2005-6648
    ISSN 1226-3303
    DOI 10.3904/kjim.2021.555
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Reply to: Effect of deep neuromuscular blockade on serum cytokines and postoperative delirium in elderly patients undergoing total hip replacement.

    Oh, Chung-Sik / Kim, Seong-Hyop

    European journal of anaesthesiology

    2022  Volume 39, Issue 5, Page(s) 483

    MeSH term(s) Aged ; Anesthetics ; Arthroplasty, Replacement, Hip/adverse effects ; Arthroplasty, Replacement, Knee ; Cytokines ; Delirium/diagnosis ; Delirium/etiology ; Hip Fractures/surgery ; Humans ; Neuromuscular Blockade/adverse effects ; Postoperative Complications/diagnosis ; Postoperative Complications/etiology ; Postoperative Complications/prevention & control
    Chemical Substances Anesthetics ; Cytokines
    Language English
    Publishing date 2022-04-21
    Publishing country England
    Document type Letter
    ZDB-ID 605770-6
    ISSN 1365-2346 ; 0265-0215
    ISSN (online) 1365-2346
    ISSN 0265-0215
    DOI 10.1097/EJA.0000000000001680
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  7. Article: Prediction of postoperative pulmonary complications in older patients undergoing lobectomy for lung cancer based on skeletal muscle mass.

    Hong, Seung-Wan / Lee, Song-Am / Kim, Seong-Hyop

    Journal of thoracic disease

    2023  Volume 15, Issue 3, Page(s) 1063–1074

    Abstract: Background: This retrospective study was designed to evaluate preoperative pulmonary function test (PFT) results and skeletal muscle mass, represented by the erector spinae muscle (EM), as predictors of postoperative pulmonary complications (PPCs) in ... ...

    Abstract Background: This retrospective study was designed to evaluate preoperative pulmonary function test (PFT) results and skeletal muscle mass, represented by the erector spinae muscle (EM), as predictors of postoperative pulmonary complications (PPCs) in older patients undergoing lobectomy for lung cancer.
    Methods: The medical records, including preoperative PFT, chest computed tomography (CT) and PPCs, of patients older than 65 years undergoing lobectomy for lung cancer were retrospectively examined at Konkuk University Medical Center from January 2016 to December 2021. The sum of cross-sectional areas (CSAs) of the right and left EMs at the level of the spinous process with the 12
    Results: Data from a total of 197 patients were included in the analyses. In total, 55 patients had PPCs. The preoperative functional vital capacity (FVC) and forced expiratory volume in 1 second (FEV1) showed significantly poorer values and the CSA
    Conclusions: PPCs in older patients undergoing lobectomy for lung cancer were associated with lower preoperative FVC and FEV1 values and a lower skeletal muscle mass. Skeletal muscle mass, represented by the EM, was significantly correlated with the preoperative FVC and FEV1. Therefore, skeletal muscle mass may be useful for the prediction of PPCs in patients undergoing lobectomy for lung cancer.
    Language English
    Publishing date 2023-03-06
    Publishing country China
    Document type Journal Article
    ZDB-ID 2573571-8
    ISSN 2077-6624 ; 2072-1439
    ISSN (online) 2077-6624
    ISSN 2072-1439
    DOI 10.21037/jtd-22-1156
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  8. Article: Back Muscle Mass as a Predictor of Postoperative Complications in Posterior Lumbar Interbody Fusion Surgery.

    Hong, Seung-Wan / Rhee, Ka-Young / Kim, Tae-Hoon / Kim, Seong-Hyop

    Journal of clinical medicine

    2023  Volume 12, Issue 16

    Abstract: Background: There is a lack of studies on utilising skeletal muscle mass via preoperative lumbar computed tomography or magnetic resonance imaging as a predictor of postoperative complications of posterior lumbar interbody fusion (PLIF) surgery in ... ...

    Abstract Background: There is a lack of studies on utilising skeletal muscle mass via preoperative lumbar computed tomography or magnetic resonance imaging as a predictor of postoperative complications of posterior lumbar interbody fusion (PLIF) surgery in elderly patients.
    Methods: Patients aged >65 years who underwent PLIF were enrolled. The sum of the cross-sectional areas of the erector spinae muscles (CSA
    Results: Patients with postoperative complications showed significantly lower values of CSA
    Conclusions: CSA
    Language English
    Publishing date 2023-08-16
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662592-1
    ISSN 2077-0383
    ISSN 2077-0383
    DOI 10.3390/jcm12165332
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  9. Article: Effects of Compression of the Ulnar Artery on the Radial Artery Catheterization.

    Kim, Cho-Long / Hong, Seung-Wan / Kim, Seong-Hyop

    Journal of clinical medicine

    2022  Volume 11, Issue 18

    Abstract: Background: The study was designed to evaluate the effects of compression of the ulnar artery on blood flow (BF) and internal cross-sectional area (CSAi) of the radial artery. We also evaluated the success rate and time of successful ultrasound-guided ... ...

    Abstract Background: The study was designed to evaluate the effects of compression of the ulnar artery on blood flow (BF) and internal cross-sectional area (CSAi) of the radial artery. We also evaluated the success rate and time of successful ultrasound-guided radial artery catheterization at the first attempt with or without compression of the ulnar artery. Methods: Patients were randomly allocated to the Compression group or Standard group to be treated with or without the application of ulnar artery compression, respectively. Hemodynamic stability was confirmed, and ultrasound-guided radial artery catheterization was performed. In the Compression group, an assistant compressed the ulnar artery at 5 cm above the wrist crease and the catheterization was performed after the loss of the distal ulnar artery BF. In the Standard group, the catheterization was performed without compression of the ulnar artery. Before and after the catheterization, BF and CSAi of the radial artery were evaluated. Success rate and time to successful catheterization at the first attempt were recorded. Results: BF and CSAi of the radial artery were similar in the two groups (37.5 [19.3−66] vs. 37.0 [20.6−53.7] mL/min, respectively, p = 0.63; 4.0 [4.0−6.0] vs. 4.0 [3.0−5.0] mm2, respectively, p = 0.095). In the Compression group, BF and CSAi were changed to 80.9 [35.9−128.5] mL/min (p < 0.001) and 5.0 [4.0−7.0] mm2 (p < 0.001), respectively, after compression of the ulnar artery. There was a trend that the success rate of ultrasound-guided radial artery catheterization at the first attempt was higher in the Compression group than in the Standard group (58/59 vs. 53/59, respectively, p = 0.05), although the difference was not statistically significant. However, the time to successful ultrasound-guided radial artery catheterization at the first attempt was significantly shorter in the Compression group than in the Standard group (34 [27−41] s vs. 46 [36−60] s, p < 0.001). Conclusion: Compression of the ulnar artery augmented BF and CSAi of the radial artery. It resulted in a significantly shorter success time for ultrasound-guided radial artery catheterization at the first attempt.
    Language English
    Publishing date 2022-09-18
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662592-1
    ISSN 2077-0383
    ISSN 2077-0383
    DOI 10.3390/jcm11185476
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  10. Article: The Neutrophil-to-Lymphocyte Ratio and Preoperative Pulmonary Function Test Results as Predictors of In-Hospital Postoperative Complications after Hip Fracture Surgery in Older Adults.

    Hong, Seung-Wan / Jeong, Hae-Chang / Kim, Seong-Hyop

    Journal of clinical medicine

    2022  Volume 12, Issue 1

    Abstract: Purpose: This study retrospectively evaluated the usefulness of the neutrophil-to-lymphocyte ratio (NLR), prognostic nutritional index (PNI), and pulmonary function test (PFT) results as objective predictors of in-hospital postoperative complications ... ...

    Abstract Purpose: This study retrospectively evaluated the usefulness of the neutrophil-to-lymphocyte ratio (NLR), prognostic nutritional index (PNI), and pulmonary function test (PFT) results as objective predictors of in-hospital postoperative complications after hip fracture surgery in older adults. Methods: The patients aged >65 years who underwent hip fracture surgery under general anaesthesia were enrolled. In-hospital postoperative complications with preoperative NLR, PNI and PFT results were evaluated. The NLR was calculated as the preoperative neutrophil count/lymphocyte count in peripheral blood. The PNI was calculated as the serum albumin (g/dL) × 10 + total lymphocyte count × 0.005 (/mm3). Results: One hundred ninety nine patients were analysed. The most common postoperative complications were respiratory complications. Compared with patients who did not have postoperative complications, patients with postoperative complications had a significantly higher NLR (8.01 ± 4.70 vs. 5.12 ± 4.34, p < 0.001), whereas they had a significantly lower PNI (38.33 ± 6.80 vs. 42.67 ± 6.47, p < 0.001), preoperative functional vital capacity (FVC; 2.04 ± 0.76 vs. 2.45 ± 0.71 L, p < 0.001), and forced expiratory volume at 1 s (FEV1; 1.43 ± 0.53 vs. 1.78 ± 0.58 L, p < 0.001). Multiple logistic regression analysis identified NLR (odds ratio [OR], 1.142; 95% confidence interval [CI], 1.060−1.230; p < 0.001) and FEV1 (OR, 0.340; 95% CI, 0.191−0.603; p < 0.001) as risk factors for postoperative complications after hip fracture surgery. Conclusion: Preoperative NLR and FEV1 are objective predictors of in-hospital postoperative complications after hip fracture surgery in older patients.
    Language English
    Publishing date 2022-12-23
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662592-1
    ISSN 2077-0383
    ISSN 2077-0383
    DOI 10.3390/jcm12010108
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