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Matsuoka R, Takeshima Y, Hayashi H, Takatani T, Nishimura F, Nakagawa I, Motoyama Y, Park YS, Kawaguchi M, Nakase H. Feasibility of adjunct facial motor evoked potential monitoring to reduce the number of false-positive results during cervical spine surgery. J Neurosurg Spine 2019; 32:570-577. [PMID: 31835248 DOI: 10.3171/2019.9.spine19800] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Accepted: 09/23/2019] [Indexed: 11/06/2022]
Abstract
OBJECTIVE False-positive intraoperative muscle motor evoked potential (mMEP) monitoring results due to systemic effects of anesthetics and physiological changes continue to be a challenging issue. Although control MEPs recorded from the unaffected side are useful for identifying a true-positive signal, there are no muscles on the upper or lower extremities to induce control MEPs in cervical spine surgery. Therefore, this study was conducted to clarify if additional MEPs derived from facial muscles can feasibly serve as controls to reduce false-positive mMEP monitoring results in cervical spine surgery. METHODS Patients who underwent cervical spine surgery at the authors' institution who did not experience postoperative neurological deterioration were retrospectively studied. mMEPs were induced with transcranial supramaximal stimulation. Facial MEPs (fMEPs) were subsequently induced with suprathreshold stimulation. The mMEP and subsequently recorded fMEP waveforms were paired during each moment during surgery. The initial pair was regarded as the baseline. A significant decline in mMEP and fMEP amplitude was defined as > 80% and > 50% decline compared with baseline, respectively. All mMEP alarms were considered false positives. Based on 2 different alarm criteria, either mMEP alone or both mMEP and fMEP, rates of false-positive mMEP monitoring results were calculated. RESULTS Twenty-three patients were included in this study, corresponding to 102 pairs of mMEPs and fMEPs. This included 23 initial and 79 subsequent pairs. Based on the alarm criterion of mMEP alone, 17 false-positive results (21.5%) were observed. Based on the alarm criterion of both mMEP and fMEP, 5 false-positive results (6.3%) were observed, which was significantly different compared to mMEP alone (difference 15.2%; 95% CI 7.2%-23.1%; p < 0.01). CONCLUSIONS fMEPs might be used as controls to reduce false-positive mMEP monitoring results in cervical spine surgery.
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Hirota A, Inoue S, Kawaguchi M. Improvement in Neonatal Refractory Hypoxia by Airway Pressure Release Ventilation With a Cuffed Tube and Intracuff Pressure Monitoring. Asian J Anesthesiol 2019; 57:130-131. [PMID: 31722509 DOI: 10.6859/aja.201912_57(4).0005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
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103
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Motoyama Y, Takatani T, Takamura Y, Takeshima Y, Matsuda R, Tamura K, Yamada S, Nishimura F, Nakagawa I, Park YS, Kawaguchi M, Nakase H. P1-11-07. Transient augmentation of MEP during MCA occlusion. Clin Neurophysiol 2019. [DOI: 10.1016/j.clinph.2019.06.174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Takatani T, Motoyama Y, Hayashi H, Shinjo T, Park YS, Nakase H, Kawaguchi M. P2-10-07. Examination of the bulbocavernosus reflection monitoring in the lumbosacral spinal surgery lumbosacral spine surgery. Clin Neurophysiol 2019. [DOI: 10.1016/j.clinph.2019.06.205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Kawaguchi M. S15-5. Anesthetic management for intraoperative neuromonitoring. Clin Neurophysiol 2019. [DOI: 10.1016/j.clinph.2019.06.132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Tanaka H, Kawaguchi M, Takano H, Shoda S, Miyoshi T, Iwasaki R, Hyodo F, Tomita H, Mori T, Hara A, Matsuo M. Activation of the Wnt/β-Catenin Signaling Pathway Causes Radioresistance in Colon Cancer. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Ida M, Tachiiri Y, Sato M, Kawaguchi M. Neutrophil-to-lymphocyte ratio as indicator to severe complication after pancreaticoduodenectomy or distal pancreatectomy. Acta Anaesthesiol Scand 2019; 63:739-744. [PMID: 30874307 DOI: 10.1111/aas.13341] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 01/29/2019] [Accepted: 02/20/2019] [Indexed: 12/20/2022]
Abstract
BACKGROUND Pancreaticoduodenectomy and distal pancreatectomy are complex procedures with high rates of post-operative complications. We evaluated the factors associated with post-operative complications, focusing on pre-operative hematologic markers such as the neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio, and prognostic nutritional index. METHODS Data from patients (≥age 20) who underwent pancreaticoduodenectomy or distal pancreatectomy between January 2013 and December 2017 at a Japanese tertiary hospital were retrospectively reviewed. Patients who failed to complete the operation and those who underwent additional procedure were excluded. The primary outcome was reoperation and unplanned intensive care unit admission before first discharge, and secondary outcome was the length of hospital stay. Multivariate analysis was used to identify explanatory factors associated with post-operative complications. The differences in length of hospital stay were compared with the Mann-Whitney U test. RESULTS Of 238 eligible patients, 208 with a median age of 71 years were included in the analysis. The median values [1st interquartile range, 3rd interquartile range] of the neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio, and prognostic nutritional index were 2.65 [1.69, 4.04], 247 [146, 407], and 46.0 [42.0, 49.7], respectively. Eleven patients (5.3%) experienced post-operative complications. The neutrophil-to-lymphocyte ratio (odds ratio, 1.13; 95% confidence interval, 1.02-1.26; P = 0.03) and blood loss volume (odds ratio per 100 mL, 1.11; 95% confidence interval, 1.00-1.22; P = 0.039) were independently associated with post-operative complications. Post-operative complications contributed to longer hospital stays (19 [15, 28] vs 33 [22, 65] days, P = 0.005). CONCLUSION The neutrophil-to-lymphocyte ratio and blood loss volume were significantly associated with post-operative complications, leading to prolonged hospitalization.
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Gurung P, Motoyama Y, Takatani T, Takamura Y, Takeshima Y, Matsuda R, Tamura K, Yamada S, Nishimura F, Nakagawa I, Park YS, Kawaguchi M, Ohnishi H, Nakase H. Transient Augmentation of Intraoperative Motor Evoked Potentials During Middle Cerebral Artery Aneurysm Surgery. World Neurosurg 2019; 130:e127-e132. [PMID: 31201943 DOI: 10.1016/j.wneu.2019.06.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 05/31/2019] [Accepted: 06/01/2019] [Indexed: 10/26/2022]
Abstract
OBJECTIVE To study clinical significance of augmentation of intraoperative motor evoked potentials (MEPs) during direct open surgery for middle cerebral artery (MCA) aneurysms. METHODS Between 2009 and 2017, 134 MCA aneurysm surgeries were performed with intraoperative MEP monitoring. The frequency and cause of augmentation with >50% increase of MEP amplitude from baseline were studied. Factors associated with MEP augmentation were investigated. RESULTS MEP augmentation was demonstrated in 9 patients. All 9 events were observed just after application of the temporary clip to the parent artery. The ratio of the maximum amplitude to baseline was 2.6 ± 1.1 at an mean of 2.4 ± 1.1 minutes after parent artery occlusion. Ten patients who did not show MEP augmentation after parent artery occlusion were compared with the patients showing MEP augmentation. The distance of the temporary clip point from the midline was smaller in patients with MEP augmentation compared with patients without MEP augmentation (P = 0.033). CONCLUSIONS MEP augmentation was thought to be an early ischemic sign preceding a significant decrease in MEPs during MCA aneurysm surgery. Transient augmentation of MEPs was more frequently observed in cases with a temporary clip applied to the more proximal part of the MCA.
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Nishiwada T, Kawaraguchi Y, Uemura K, Kawaguchi M. Morphine inhibits cell viability and growth via suppression of vascular endothelial growth factor in human oral cancer HSC-3 cells. J Anesth 2019; 33:408-415. [PMID: 31049688 DOI: 10.1007/s00540-019-02645-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 04/23/2019] [Indexed: 01/10/2023]
Abstract
PURPOSE Although many oral cancer patients require opioids, the effects of morphine and related drugs on oral cancer progression have not been well established. Thus, we examined the effects of morphine exposure on the viability of human oral squamous carcinoma HSC-3 cells and aimed to identify the underlying mechanism. METHODS We exposed HSC-3 cells to the various concentrations of morphine (0, 0.1, 1, 10, 100, or 1000 μmol/L) for 48 h and, subsequently, evaluated cell viability using the 3-[4, 5-dimethylthiazol-2-yl]-2, 5-diphenyl tetrazolium bromide (MTT) assay and cytotoxicity using the lactate dehydrogenase (LDH) assay. To explore the effects of morphine on cell proliferation further, colony formation assay and cell cycle analysis were performed. Additionally, the intracellular expression of nuclear factor kappa B (NF-κB) was analyzed using flow cytometry, and vascular endothelial growth factor (VEGF)-A was evaluated using human VEGF assay. RESULTS Morphine exposure reduced cell viability and enhanced cytotoxicity in HSC-3 cells in a concentration-dependent manner. The number of colonies in the morphine-treated groups was significantly lower than that in the control group. Consistent with these results, morphine exposure significantly reduced the concentration of VEGF in the cell culture medium in a concentration-dependent manner. However, our data show that morphine at clinical concentrations (0.1-10 μmol/L) does not affect cell cycle and apoptosis. CONCLUSIONS Our results suggest that in human oral cancer HSC-3 cells, morphine exposure inhibits cell viability and growth via suppression of VEGF in clinical conditions.
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Matsuba K, Tsujimoto T, Kawaguchi M, Inoue S. Cuff leakage caused by automatic cuff pressure monitor and water condensation in the inflation tube of Microcuff® endotracheal tube. Anaesth Intensive Care 2019; 47:300-301. [DOI: 10.1177/0310057x19841386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Ogawa T, Inoue S, Inada M, Kawaguchi M. Postoperative intensive care unit admission does not affect outcomes in elective surgical patients with severe comorbidity. Med Intensiva 2019; 44:216-225. [PMID: 30799043 DOI: 10.1016/j.medin.2019.01.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 01/08/2019] [Accepted: 01/09/2019] [Indexed: 01/29/2023]
Abstract
OBJECTIVE The impact of postoperative intensive care upon patient outcomes was evaluated by retrospectively investigating the rate of poor outcomes among miscellaneous elective surgical patients with severe comorbidities. DESIGN A retrospective cohort study was carried out. SETTING University hospital. PATIENTS Surgical patients with severe comorbidities. INTERVENTION The outcomes of 1218 surgical patients treated in intensive care units (ICUs) and postsurgical wards (ICU group vs. non-ICU group) were reviewed for poor outcomes (i.e., no discharge or death). A propensity score analysis was used to generate 248 matched pairs of ICU-admitted patients and controls. VARIABLES OF INTEREST Poor outcome rates on postoperative day 90 and mortality on postoperative days 30 and 90. RESULTS No significant between-group differences were observed in terms of poor outcomes on postoperative day 90 [ICU vs. non-ICU: 33/248 (13%) vs. 28/248 (11%), respectively; ICU odds ratio (OR): 1.19, 95% confidence interval (CI), 0.71-2.01, p=0.596] or in between-group differences in terms of mortality on postoperative days 30 and 90 [ICU vs. non-ICU: 4/248 (1.6%) vs. 2/248 (0.8%) on postoperative day 30 and 5/248 (2.0%) vs. 3/248 (1.2%) on day 90, respectively; ICU OR (95% CI), 2.00 (0.37-10.9) and 1.67 (0.40-6.97) for postoperative 30- and 90-day mortality, respectively (p=0.683 and 0.724)]. Low preoperative body weight was negatively correlated to patient outcomes [OR (95% CI): 0.82/10kg (0.70-0.97), p=0.019], whereas regional analgesia combined with general anesthesia was positively correlated to patient outcomes [OR (95% CI): 0.39 (0.69-0.96), p=0.006]. Extra ICU admission was correlated to poor patient outcomes [OR (95% CI): 4.18 (2.23-7.81), p < 0.0001]. CONCLUSIONS Postoperative ICU admission failed to demonstrate any meaningful benefits in patients with severe comorbidities undergoing miscellaneous elective surgeries.
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Tachiiri Y, Inoue S, Kawaguchi M. A case of thoracic pneumatosis due to severe coughs and tracheal tube displacement induced by tracheal tube size mismatch. JA Clin Rep 2019; 5:8. [PMID: 32025982 PMCID: PMC6967309 DOI: 10.1186/s40981-019-0227-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Accepted: 01/22/2019] [Indexed: 11/26/2022] Open
Abstract
Background Thoracic pneumatosis during mechanical ventilation may be life-threatening. We encountered a patient with thoracic pneumatosis after frequent displacement of the tracheal tube with an overinflated cuff. Case presentation We admitted a 62-year-old man to the intensive care unit (ICU) due to respiratory failure. We secured his airway using a cuffed 8.5-mm tracheal tube. However, air leakage did not stop with the regular intracuff pressure (25 cm H2O) because the diameter of his trachea was too large for the tracheal tube inserted. In addition, a chest X-ray examination revealed rostral tube displacement. Therefore, we applied a higher intracuff pressure (35 cm H2O) to prevent air leakage and tracheal tube movement. However, severe coughing episodes developed, and 3 days after ICU admission, a chest X-ray and CT scan revealed pneumomediastinum and pneumothorax. We did not have larger tracheal tubes in stock. We decided to use a tracheostomy tube instead, which we expected to be placed securely and to prevent tube displacement. After tracheostomy, the severe coughing episodes became infrequent. Finally, we weaned the patient from mechanical ventilation 12 days after ICU admission. Conclusions The clinical signs and symptoms in our patient point to tracheal tube size mismatch as the cause of pneumothorax.
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Yoshitani K, Kawaguchi M, Ishida K, Maekawa K, Miyawaki H, Tanaka S, Uchino H, Kakinohana M, Koide Y, Yokota M, Okamoto H, Nomura M. Guidelines for the use of cerebral oximetry by near-infrared spectroscopy in cardiovascular anesthesia: a report by the cerebrospinal Division of the Academic Committee of the Japanese Society of Cardiovascular Anesthesiologists (JSCVA). J Anesth 2019; 33:167-196. [DOI: 10.1007/s00540-019-02610-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 01/02/2019] [Indexed: 11/29/2022]
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Ida M, Sumida M, Kawaguchi M. Intraoperative subarachnoid migration of the epidural catheter used for continuous infusion leading to delayed detection. J Clin Anesth 2019; 55:115. [PMID: 30640058 DOI: 10.1016/j.jclinane.2019.01.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 01/07/2019] [Indexed: 11/29/2022]
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Yoshitani K, Masui K, Kawaguchi M, Kawamata M, Kakinohana M, Kato S, Hasuwa K, Yamakage M, Yoshikawa Y, Nishiwaki K, Aoyama T, Inagaki Y, Yamasaki K, Matsumoto M, Ishida K, Yamashita A, Seo K, Kakumoto S, Hayashi H, Tanaka Y, Tanaka S, Ishida T, Uchino H, Kakinuma T, Yamada Y, Mori Y, Izumi S, Nishimura K, Nakai M, Ohnishi Y. Clinical Utility of Intraoperative Motor-Evoked Potential Monitoring to Prevent Postoperative Spinal Cord Injury in Thoracic and Thoracoabdominal Aneurysm Repair: An Audit of the Japanese Association of Spinal Cord Protection in Aortic Surgery Database. Anesth Analg 2018; 126:763-768. [PMID: 29283918 DOI: 10.1213/ane.0000000000002749] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Spinal cord ischemic injury is the most devastating sequela of descending and thoracoabdominal aortic surgery. Motor-evoked potentials (MEPs) have been used to intraoperatively assess motor tract function, but it remains unclear whether MEP monitoring can decrease the incidence of postoperative motor deficits. Therefore, we reviewed multicenter medical records of patients who had undergone descending and thoracoabdominal aortic repair (both open surgery and endovascular repair) to assess the association of MEP monitoring with postoperative motor deficits. METHODS Patients included in the study underwent descending or thoracoabdominal aortic repair at 12 hospitals belonging to the Japanese Association of Spinal Cord Protection in Aortic Surgery between 2000 and 2013. Using multivariable mixed-effects logistic regression analysis, we investigated whether intraoperative MEP monitoring was associated with postoperative motor deficits at discharge after open and endovascular aortic repair. RESULTS We reviewed data from 1214 patients (open surgery, 601 [49.5%]; endovascular repair, 613 [50.5%]). MEP monitoring was performed in 631 patients and not performed in the remaining 583 patients. Postoperative motor deficits were observed in 75 (6.2%) patients at discharge. Multivariable logistic regression analysis revealed that postoperative motor deficits at discharge did not have a significant association with MEP monitoring (adjusted odds ratio [OR], 1.13; 95% confidence interval [CI], 0.69-1.88; P = .624), but with other factors: history of neural deficits (adjusted OR, 6.08; 95% CI, 3.10-11.91; P < .001), spinal drainage (adjusted OR, 2.14; 95% CI, 1.32-3.47; P = .002), and endovascular procedure (adjusted OR, 0.45; 95% CI, 0.27-0.76; P = .003). The sensitivity and specificity of MEP <25% of control value for motor deficits at discharge were 37.8% (95% CI, 26.5%-49.5%) and 95.5% (95% CI, 94.7%-96.4%), respectively. CONCLUSIONS MEP monitoring was not significantly associated with motor deficits at discharge.
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Ida M, Matsumura K, Kawaguchi M. Acute hypoglycemia during cesarean delivery in a patient with type-1 diabetes mellitus. Int J Obstet Anesth 2018; 39:144-145. [PMID: 30503204 DOI: 10.1016/j.ijoa.2018.11.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 10/29/2018] [Accepted: 11/12/2018] [Indexed: 11/16/2022]
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Hattori K, Yoshitani K, Kato S, Kawaguchi M, Kawamata M, Kakinohana M, Yamada Y, Yamakage M, Nishiwaki K, Izumi S, Yoshikawa Y, Mori Y, Hasegawa K, Onishi Y. Association Between Motor-Evoked Potentials and Spinal Cord Damage Diagnosed With Magnetic Resonance Imaging After Thoracoabdominal and Descending Aortic Aneurysm Repair. J Cardiothorac Vasc Anesth 2018; 33:1835-1842. [PMID: 30638920 DOI: 10.1053/j.jvca.2018.12.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Indexed: 11/11/2022]
Abstract
OBJECTIVES The authors investigated the association between intraoperative motor-evoked potential (MEP) changes and the severity of spinal cord infarction diagnosed with magnetic resonance imaging (MRI) to clarify the discrepancy between them, which was observed in patients with postoperative motor deficits after thoracic and thoracoabdominal aortic surgery. DESIGN A multicenter retrospective study. SETTING Motor-evoked potential <25% of control values was deemed positive for spinal cord ischemia. The severity of spinal cord infarction was categorized into grades A to D based on previous studies using the most severe axial MRI slices. The associations between MRI grade, MEP changes, and motor deficits were examined using logistic regression. PARTICIPANTS Twenty-three of 1,245 patients (from 1999 to 2013, at 12 hospitals in Japan) were extracted from medical records of patients who underwent thoracic and thoracoabdominal aortic repair, with intraoperative MEP examinations and postoperative spinal MRI. INTERVENTIONS No intervention (observational study). MEASUREMENTS AND MAIN RESULTS Motor-evoked potential <25% of control value was associated significantly with motor deficits at discharge (adjusted odds ratio [OR], 130.0; p = 0.041), but not with severity of spinal cord infarction (adjusted OR, 0.917; p = 0.931). Motor deficit at discharge was associated with severe spinal cord infarction (adjusted OR, 4.83; p = 0.043), MEP <25% (adjusted OR, 13.95; p = 0.031), and combined deficits (motor and sensory, motor and bowel or bladder, or sensory and bowel or bladder deficits; adjusted OR, 31.03; p = 0.072) in stepwise logistic regression analysis. CONCLUSION Motor-evoked potential <25% was associated significantly with motor deficits at discharge, but not with the severity of spinal cord infarction.
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Terada Y, Morita-Takemura S, Isonishi A, Tanaka T, Okuda H, Tatsumi K, Shinjo T, Kawaguchi M, Wanaka A. NGF and BDNF expression in mouse DRG after spared nerve injury. Neurosci Lett 2018; 686:67-73. [DOI: 10.1016/j.neulet.2018.08.051] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 08/14/2018] [Accepted: 08/31/2018] [Indexed: 10/28/2022]
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Ida M, Akasaki Y, Kawaguchi M. Persistent hypoxia following transvenous lead extraction with excimer laser. J Clin Anesth 2018; 53:39. [PMID: 30292738 DOI: 10.1016/j.jclinane.2018.09.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 09/12/2018] [Accepted: 09/29/2018] [Indexed: 10/28/2022]
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Yata S, Ida M, Shimotsuji H, Nakagawa Y, Ueda N, Takatani T, Shigematsu H, Motoyama Y, Nakase H, Kirita T, Kawaguchi M. Bite injuries caused by transcranial electrical stimulation motor-evoked potentials' monitoring: incidence, associated factors, and clinical course. J Anesth 2018; 32:844-849. [PMID: 30291413 DOI: 10.1007/s00540-018-2562-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 10/03/2018] [Indexed: 11/24/2022]
Abstract
PURPOSE The incidence of bite injuries associated with transcranial electrical stimulation motor-evoked potentials monitoring reportedly ranges from 0.13 to 0.19%. However, in clinical practice, bite injuries appear to occur more frequently than previously reported. Our aim was to identify the incidence of and perioperative risk factors associated with bite injuries caused by transcranial electrical stimulation motor-evoked potential monitoring. METHODS Patients who underwent elective surgery with transcranial electrical stimulation motor-evoked potential monitoring at a single tertiary hospital in Japan between June 2017 and December 2017 were included in this study. All patients were assessed by oral surgeons preoperatively and postoperatively. The associated factors with bite injuries were explored by the univariate analysis. RESULTS 12 of 186 patients experienced 13 bite injuries, including three lip, six oral mucosa, and four tongue injuries. No patient required suture repair. 11 of 12 patients had uneventful postoperative courses and were cured within 12 postoperative days. One patient with a tongue ulcer and a hematoma had difficulty in oral intake and persistent dysgeusia. Patient severe movement during transcranial electrical stimulation motor-evoked potential monitoring was associated with bite injuries (p = 0.03). CONCLUSIONS The incidence of bite injuries assessed by oral surgeons was 6.5% in patients with transcranial electrical stimulation motor-evoked potential monitoring, and the patients with severe movement during the monitoring tended to incur bite injuries. In rare cases, transcranial electrical stimulation motor-evoked potential monitoring may cause difficulty in oral intake and dysgeusia.
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Ida M, Enomoto J, Yamamoto Y, Onodera H, Kawaguchi M. Factors associated with anesthetic satisfaction after cesarean delivery under neuraxial anesthesia. JA Clin Rep 2018; 4:66. [PMID: 32026016 PMCID: PMC6966755 DOI: 10.1186/s40981-018-0206-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Accepted: 09/03/2018] [Indexed: 11/24/2022] Open
Abstract
Introduction Evaluating patient satisfaction with anesthesia is critical for improving their experiences. We investigated perioperative anesthetic satisfaction and associated predictive factors in patients receiving cesarean delivery under neuraxial anesthesia (spinal anesthesia only or combined spinal-epidural anesthesia). Methods This was an institutionally approved retrospective chart review of patients who received cesarean delivery under spinal anesthesia and postoperative evaluation administered by anesthesiologists from January 2009 to December 2013. Multiple pregnancies and patients reporting headache prior to cesarean delivery were excluded. Patients were divided into satisfied and not satisfied groups according to their scores from the 4-point Likert scale. Multivariate analysis was used to identify explanatory factors associated with satisfaction. Results Of 813 patients enrolled, 425 (52.2%) were classified as satisfied. Combined spinal–epidural anesthesia (CSEA) (odds ratio, 3.3; 95% confidence interval, 1.08–10.1) was positively associated with satisfaction. Paresthesia during needle insertion (odds ratio, 0.56; 95% confidence interval, 0.42–0.76), lightning pain during neuraxial anesthesia (odds ratio 0.62; 95% confidence interval, 0.39–0.98), failed block (odds ratio 0.28; 95% confidence interval, 0.09–0.87), and intraoperative use of antiemetic (odds ratio 0.71; 95% confidence interval, 0.53–0.94) were negatively associated with satisfaction. In the 792 patients receiving spinal anesthesia only, the same factors except for CSEA were associated with satisfaction. Conclusions The addition of epidural to spinal anesthesia for cesarean delivery can increase patient satisfaction, whereas paresthesia during needle insertion, lightning pain, failed block, and the use of intraoperative antiemetic were major obstacles to patient satisfaction.
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Tochimoto M, Watanabe T, Koyama K, Sadamura K, Iwaki Y, Katoh H, Kawaguchi M, Tawaraya K, Hosokawa O, Yanagimoto K. [A Case of Granulocyte-Colony Stimulating Factor Producing Esophageal Carcinoma]. Gan To Kagaku Ryoho 2018; 45:1353-1355. [PMID: 30237380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The patient was a 42-year-old man who presented with dysphagia.Upper gastrointestinal endoscopy revealed a protruding lesion in the lower thoracic esophagus.Pathological analysis of the lesion showed squamous cell carcinoma.Laboratory data showed leukocytosis(21,200/mL)despite no evidence of infection, and the serum levels of granulocyte colony-stimu- lating factor(G-CSF)were elevated to 283 pg/mL.We diagnosed him with esophageal squamous cell carcinoma(Lt, type 1, cT4N4M0, cStage IV a).After administering 2 courses of docetaxel plus cisplatin plus S-1(DCS)as neoadjuvant chemotherapy, the patient underwent surgery.The pathological diagnosis was pType 2, T2, N4, M0, pStage IV a. G-CSF immunostaining was positive in tumor cells.After the surgery, the number of leukocytes and serum G-CSF levels decreased to within normal limits.Adjuvant chemotherapy was administered.
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Yamanaka K, Inoue S, Naito Y, Kawaguchi M. Amiodarone does not affect brain injury in a rat model of transient forebrain ischemia. Med Intensiva 2018; 43:457-463. [PMID: 30029951 DOI: 10.1016/j.medin.2018.05.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Revised: 04/26/2018] [Accepted: 05/18/2018] [Indexed: 11/30/2022]
Abstract
OBJECTIVES Although amiodarone may cause neurotoxicity that can affect patient outcomes when used during cardiopulmonary resuscitation (CPR), it has been commonly prescribed during CPR. This study investigated the possible neurotoxic effects of amiodarone in a rat model of transient forebrain ischemia. DESIGN A prospective laboratory animal study was carried out. SETTING Animal laboratory. MATERIALS Male Sprague-Dawley rats. INTERVENTION Eight minutes of forebrain ischemia was induced in rats by bilateral carotid occlusion and hypotension (mean arterial pressure=35mmHg) under isoflurane (1.5%) anesthesia. Amiodarone (0, 50, 100 and 150mg/kg) with saline was injected intraperitoneally 10min after ischemia. Rats given 0mg/kg of amiodarone were used as saline-treated controls. Sham operated rats received no treatment. VARIABLES OF INTEREST Animals were evaluated neurologically on postoperative days 4-7, and histologically after a one-week recovery period. RESULTS The greatest improvement in water maze test performance corresponded to the sham operated group (p=0.015 vs. saline-treated controls). No differences in performance were seen in amiodarone-treated rats compared with saline-treated controls. In the control group, 45% of the CA1 hippocampal neurons survived, compared with 78% in the sham operated group (p=0.009). Neuron survival after ischemia in the amiodarone treatment groups (50, 100 and 150mg/kg) (58%, 40% and 36%, respectively) and in the control rats did not differ significantly. CONCLUSIONS The administration of amiodarone immediately after transient forebrain ischemia did not worsen spatial cognitive function or neuronal survival in the hippocampal CA1 region in rats. The current results must be applied with caution in humans. However, they indicate that the potential neurotoxicity induced by amiodarone during resuscitation after cardiac arrest may be negligible.
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Uemura K, Inoue S, Kawaguchi M. The unnecessary application of central venous catheterization in surgical patients. BRAZILIAN JOURNAL OF ANESTHESIOLOGY (ENGLISH EDITION) 2018. [PMID: 29631881 PMCID: PMC9391795 DOI: 10.1016/j.bjane.2018.01.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background and objectives Methods Results Conclusions
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Fujiwara A, Watanabe K, Hashizume K, Shinohara K, Kawaguchi M. Transforaminal vs Interlaminar Epidural Steroid Injection for Acute-Phase Shingles: A Randomized, Prospective Trial. Pain Physician 2018; 21:373-382. [PMID: 30045594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
BACKGROUND The acute phase of shingles is characterized by severe pain, and one of the complications of shingles known as postherpetic neuralgia (PHN) is associated with prolonged pain. Although factors predicting the development of PHN, as well as its preventative measures, have been investigated, there is no single treatment effective for PHN. Some studies showed effectiveness of epidural injection to alleviate pain associated with acute-phase shingles. In these studies, epidural injection was performed by interlaminar (IL) approach. However, transforaminal (TF) approach may be more effective as it enables injection of steroids and local anesthetics closer to the dorsal root ganglion where inflammation primarily occurs. There have not been any studies comparing the analgesic effects of epidural injection approaches for pain associated with acute-phase shingles. OBJECTIVE We compared the analgesic effects of IL and TF epidural injection approaches for pain associated with acute-phase shingles. STUDY DESIGN We conducted a randomized prospective trial. SETTING Nara Medical University Hospital, Department of Anesthesiology. METHODS Forty patients with acute-phase shingles were randomly assigned to receive epidural steroid injections by TF or IL approaches. Patients were evaluated at the baseline, as well as at 1 month and 3 months after the treatment using the VAS and SF-36 scores. Patients with VAS score of over 40 at the 3-month follow-up were considered as having PHN, and the number of patients with PHN was compared between the IL and TF groups. RESULTS Except the mental component of the SF-36 score and severity of skin rash, patient characteristics were not significantly different between the groups. VAS scores at 1 and 3-month follow-up were significantly lower than those at the baseline, and there was no difference between the groups. All SF-36 scores were not significantly different between groups at 1- and 3-month. There was no significant difference in the occurrence of PHN between the groups. LIMITATIONS We had a small sample size that did not reach the number of patients needed by the power analysis in the study. Then, our follow-up period of 3 months was relatively short. CONCLUSIONS VAS scores, the SF-36 RCS and MCS scores improved in both groups, however, there was no difference in the analgesic effects of the IL and TF epidural steroid injections at 1 and 3 months for acute-phase shingles patients. KEY WORDS Shingles epidural steroid injection interlaminar approach; transforaminal approach, fluoroscopic, postherpetic neuralgia, VAS, SF-36.
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