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Taka H, Douguchi T, Miyamoto A, Shimizu K, Kimura S, Iwasaki T, Kanazawa T, Morimatsu H. Modified del Nido cardioplegia is associated with low incidence of low main strong ion difference and hyperchloremia in pediatric patients after cardiac surgery. J Anesth 2024; 38:244-253. [PMID: 38358399 DOI: 10.1007/s00540-023-03306-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 12/26/2023] [Indexed: 02/16/2024]
Abstract
PURPOSE The aims of this study were (1) to determine the associations of cardioplegic solutions with postoperative main strong ion difference (mSID), which is the difference between sodium ion concentration and chloride ion concentration ([Cl-]) and (2) to determine the associations of cardioplegic solutions with markers of organ dysfunction. METHODS In this retrospective cohort study, patients aged <5 years who underwent cardiac surgery in a tertiary teaching hospital were included. Patients were classified on the basis of the type of cardioplegic solution: modified del Nido cardioplegia (mDNC) and conventional cardioplegia (CC). The effects of mDNC on postoperative mSID and markers of organ functions were examined using propensity-matched analysis. RESULTS A total of 500 cases were included. mDNC solution was used in 163 patients (32.6%). After propensity score matching, patients in the mDNC group (n = 152) had significantly higher minimum mSID [28 (26, 30) mEq/L vs. 27 (25, 29) mEq/L, p = 0.02] and lower maximum [Cl-] [112 (109, 114) mEq/L vs. 113 (111, 117) mEq/L, p < 0.001] than patients in the CC group (n = 304). The incidences of low mSID and hyperchloremia in the mDNC group were significantly lower than those in the CC group (63.8 vs. 75.7%, p = 0.01 and 63.2 vs. 79.3%, p < 0.001, respectively). There was no significant difference in the incidence of postoperative acute kidney injury and B-type natriuretic peptide level between the two groups. CONCLUSION The use of modified del Nido cardioplegia may reduce the incidence of abnormal mSID and hyperchloremia compared with the use of a chloride-rich cardioplegic solution.
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Affiliation(s)
- Hiroshi Taka
- Department of Clinical Engineering Center, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Takuma Douguchi
- Department of Clinical Engineering Center, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Ayako Miyamoto
- Department of Clinical Engineering Center, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Kazuyoshi Shimizu
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan.
| | - Satoshi Kimura
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Tatsuo Iwasaki
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Tomoyuki Kanazawa
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Hiroshi Morimatsu
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
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Shimizu T, Kanazawa T, Matsuoka Y, Yoshida T, Sakura T, Shimizu K, Iwasaki T, Morimatsu H. General Anesthesia With Remimazolam During Minimally Invasive Cardiac Surgery for Atrial Septal Defect: A Pediatric Case Report. A A Pract 2024; 18:e01735. [PMID: 38259159 DOI: 10.1213/xaa.0000000000001735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Remimazolam is a new ultrashort-acting benzodiazepine sedative, the use of which has not been reported for pediatric cardiac surgery. This case report describes the use of remimazolam in a 6-year-old girl who underwent minimally invasive cardiac surgery with right-sided thoracotomy for an atrial septal defect. Under electroencephalographic monitoring, remimazolam (2-4 mg kg-1 h-1) and remifentanil (0.05 μg kg-1 min-1) were administered with an intercostal nerve block during the procedure. The patient awoke and was extubated promptly after surgery, without any serious adverse events, including intraoperative awareness. Remimazolam may be a viable option for general anesthesia during pediatric cardiac surgery.
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Affiliation(s)
- Tatsuhiko Shimizu
- From the Department of Anesthesiology and Resuscitology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
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Yoshida T, Sakura T, Shimizu K, Kimura S, Iwasaki T, Kanazawa T, Morimatsu H. Carboxyhemoglobin and Methemoglobin Levels and Hemolysis in Children Undergoing Cardiac Surgery With Cardiopulmonary Bypass. ASAIO J 2023; 69:1099-1105. [PMID: 37788481 DOI: 10.1097/mat.0000000000002044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/05/2023] Open
Abstract
Hemolysis is a complication of cardiopulmonary bypass (CPB). Carboxyhemoglobin (COHb) and methemoglobin (MetHb) were suggested as potential hemolysis biomarkers. This retrospective study was based on a prospective registry aimed to determine the association of COHb and MetHb levels with hemolysis in pediatric patients <4 years old who underwent cardiac surgery with CPB. Plasma-free hemoglobin (PFH), COHb, and MetHb levels were measured before CPB; every 30 minutes during CPB; and on postoperative days 1, 2, and 3. Patients were classified into hemolysis and nonhemolysis groups based on the maximum PFH levels during CPB. A total of 193 patients were included. No significant difference was observed in the maximum COHb levels during CPB (COHb CPB ) between the hemolysis and nonhemolysis groups (1.2% [interquartile range {IQR} 0.9-1.4%] vs. 1.1% [IQR: 0.9-1.4%]; p = 0.17). The maximum MetHb levels during CPB (MetHb CPB ) were significantly higher in the hemolysis group than in the nonhemolysis group (1.3% [IQR: 1.1-1.5%] vs. 1.2% [IQR: 1.0-1.4%]; p = 0.007). Areas under the receiver operating curves of COHb CPB and MetHb CPB were 0.557 (95% confidence interval: 0.475-0.640) and 0.615 (95% confidence interval: 0.535-0.695), respectively. Therefore, the predictive ability of both hemolysis biomarkers during CPB is limited.
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Affiliation(s)
- Tsubasa Yoshida
- From the Department of Anesthesiology and Resuscitology, Okayama University Hospital, Okayama, Japan
- Department of Anesthesiology and Resuscitology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Takanobu Sakura
- From the Department of Anesthesiology and Resuscitology, Okayama University Hospital, Okayama, Japan
| | - Kazuyoshi Shimizu
- From the Department of Anesthesiology and Resuscitology, Okayama University Hospital, Okayama, Japan
| | - Satoshi Kimura
- From the Department of Anesthesiology and Resuscitology, Okayama University Hospital, Okayama, Japan
| | - Tatsuo Iwasaki
- From the Department of Anesthesiology and Resuscitology, Okayama University Hospital, Okayama, Japan
| | - Tomoyuki Kanazawa
- From the Department of Anesthesiology and Resuscitology, Okayama University Hospital, Okayama, Japan
| | - Hiroshi Morimatsu
- From the Department of Anesthesiology and Resuscitology, Okayama University Hospital, Okayama, Japan
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Shimizu T, Kanazawa T, Sakura T, Shioji N, Shimizu K, Fukuhara R, Shinya T, Iwasaki T, Morimatsu H. Efficacy of prophylactic high-flow nasal cannula therapy for postoperative pulmonary complications after pediatric cardiac surgery: a prospective single-arm study. J Anesth 2023; 37:433-441. [PMID: 37058243 DOI: 10.1007/s00540-023-03187-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 03/26/2023] [Indexed: 04/15/2023]
Abstract
PURPOSE This study investigated the incidence of postoperative pulmonary complications (PPC) when high-flow nasal cannula therapy (HFNC) is used prophylactically after pediatric cardiac surgery, and evaluated its efficacy. METHODS This was a single-arm prospective interventional study that was conducted in a tertiary teaching hospital with eight beds in the pediatric cardiac ICU after approval by the Ethics Committee. One-hundred children under the age of 48 months who were scheduled for cardiac surgery for congenital heart disease were recruited. HFNC was used for 24 h after extubation at a 2 L/kg/min flow rate. The primary outcome was the incidence of PPC within 48 h after extubation. PPC was defined as atelectasis and acute respiratory failure meeting certain criteria. We considered prophylactic HFNC as effective if the prevalence of PPC was < 10%, based on previous reports of reintubation rates of 6%-9% after pediatric cardiac surgery. RESULTS A total of 91 patients were finally included in the analysis. The incidence of PPC within 48 h after extubation was 18.7%, whereas atelectasis was observed in 13.2%, and acute respiratory failure in 8.8%. Reintubation rate within 48 h after extubation was 0%. CONCLUSIONS We found the incidence of PPC with prophylactic HFNC after planned extubation after pediatric cardiac surgery. However, the incidence was > 10%; therefore, we could not demonstrate its efficacy in this single-arm study. Further studies are needed to investigate whether the HFNC could be adapted as first-line oxygen therapy after pediatric cardiac surgery.
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Affiliation(s)
- Tatsuhiko Shimizu
- Department of Anesthesiology and Resuscitology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Tomoyuki Kanazawa
- Department of Anesthesiology and Resuscitology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan.
| | - Takanobu Sakura
- Department of Anesthesiology and Resuscitology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Naohiro Shioji
- Department of Anesthesia and Intensive Care, National Cancer Center Hospital, Tokyo, Japan
| | - Kazuyoshi Shimizu
- Department of Anesthesiology and Resuscitology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | | | - Takayoshi Shinya
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Tatsuo Iwasaki
- Department of Anesthesiology and Resuscitology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Hiroshi Morimatsu
- Department of Anesthesiology and Resuscitology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
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Kimura S, Shimizu K, Izumi K, Kanazawa T, Mizuno K, Iwasaki T, Morimatsu H. Regional Cerebral Oxygen Saturation and Estimated Oxygen Extraction Ratio as Predictive Markers of Major Adverse Events in Infants with Congenital Heart Disease. Pediatr Cardiol 2023:10.1007/s00246-023-03158-1. [PMID: 37029812 DOI: 10.1007/s00246-023-03158-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 03/28/2023] [Indexed: 04/09/2023]
Abstract
Regional cerebral oxygen saturation (ScO2) determined by near-infrared spectroscopy, monitoring both arterial and venous blood oxygenation of the brain, could reflect the balance between oxygen delivery and consumption. The aim of this study was to determine the predictabilities of ScO2 and estimated oxygen extraction ratio (eO2ER) with outcomes in infants with congenital heart disease (CHD). This study was a two-center, retrospective study of patients at 12 months of age or younger with CHD who underwent cardiac surgery. The primary outcome was a composite of one or more major adverse events (MAEs) after surgery: death from any cause, circulatory collapse that needed cardiopulmonary resuscitation, and requirement for extracorporeal membrane oxygenation. Based on the assumptions of arterial to venous blood ratio, eO2ER was calculated. A total of 647 cases were included in this study. MAEs occurred in 16 patients (2.5%). There were significant differences in post-bypass ScO2 [46.61 (40.90, 52.05) vs. 58.52 (51.52, 66.08), p < 0.001] and post-bypass eO2ER [0.66 (0.60, 0.78) vs. 0.52 (0.43, 0.61), p < 0.001] between patients with MAEs and patients without MAEs. Area under the receiver operating curve (AUROC) of post-bypass ScO2 was 0.818 (95% confidence interval: 0.747-0.889), AUROC of post-bypass eO2ER was 0.783 (0.697-0.870) and AUROC of post-bypass maximum serum lactate level was 0.635 (0.525-0.746). Both ScO2 and eO2ER, especially after weaning off bypass, are acceptable predictive markers for predicting MAEs after cardiac surgery in infants.(227 words).
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Affiliation(s)
- Satoshi Kimura
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan.
| | - Kazuyoshi Shimizu
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Kaoru Izumi
- Department of Anesthesia, Fukuoka Children's Hospital, 5-1-1 Kashiiteriha, Higashi-Ku, Fukuoka, 813-0017, Japan
| | - Tomoyuki Kanazawa
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Keiichiro Mizuno
- Department of Anesthesia, Fukuoka Children's Hospital, 5-1-1 Kashiiteriha, Higashi-Ku, Fukuoka, 813-0017, Japan
| | - Tatsuo Iwasaki
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Hiroshi Morimatsu
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
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Kimura S, Shimizu K, Iwasaki T, Kanazawa T, Morimatsu T, Hatano T, Morimatsu H. Outcomes associated with unrecognized acute kidney injury in postoperative pediatric cardiac patients. Pediatr Nephrol 2023:10.1007/s00467-023-05925-x. [PMID: 36929386 DOI: 10.1007/s00467-023-05925-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 02/21/2023] [Accepted: 02/21/2023] [Indexed: 03/18/2023]
Abstract
BACKGROUND The present retrospective study was carried out to determine the incidence of unrecognized cardiac surgery-associated acute kidney injury (CSA-AKI) due to infrequency of serum creatinine (SCr) measurements in pediatric cardiac patients and to assess the association between unrecognized CSA-AKI and clinical outcomes. METHODS This study was a single-center, retrospective study of pediatric patients who underwent cardiac surgery. Patients were diagnosed with CSA-AKI based on SCr measurements, and unrecognized CSA-AKI was defined under the assumptions that there had been only one or two SCr measurements within 48 h after surgery: CSA-AKI unrecognized by one SCr measurement (AKI-URone), CSA-AKI unrecognized by two SCr measurements (AKI-URtwo), and CSA-AKI recognized by one and two SCr measurements (AKI-R). The change of SCr from baseline to postoperative day 30 (delta SCr30d) was assessed as a surrogate of kidney recovery. RESULTS In a total of 557 cases, 313 patients (56.2%) were diagnosed with CSA-AKI, 188 (33.8%) of whom had unrecognized CSA-AKI. Delta SCr30d in the AKI-URtwo group and delta SCr30d in the AKI-URone group was not significantly different from delta SCr30d in the non-AKI group (p = 0.67 and p = 0.79, respectively). There were significant differences in the durations of mechanical ventilation, serum B-type natriuretic peptide levels, and lengths of stay in hospital between the non-AKI group and the AKI-URtwo group and between the non-AKI group and the AKI-URtwo group. CONCLUSIONS Unrecognized CSA-AKI due to infrequent SCr measurements is not rare and is associated with prolonged mechanical ventilation, high postoperative BNP level, and prolonged length of stay in hospital. A higher resolution version of the Graphical abstract is available as Supplementary information.
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Affiliation(s)
- Satoshi Kimura
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan.
| | - Kazuyoshi Shimizu
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Tatsuo Iwasaki
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Tomoyuki Kanazawa
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Takashi Morimatsu
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Takeru Hatano
- Okayama University School of Medicine, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Hiroshi Morimatsu
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
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Sawada H, Yabuuchi T, Higashi N, Iwasaki T, Kawasaki K, Maeda Y, Izumi T, Nakagawa Y, Shigemori K, Sakawa Y, Curry CB, Frost M, Iwata N, Ogitsu T, Sueda K, Togashi T, Glenzer SH, Kemp AJ, Ping Y, Sentoku Y. Ultrafast time-resolved 2D imaging of laser-driven fast electron transport in solid density matter using an x-ray free electron laser. Rev Sci Instrum 2023; 94:033511. [PMID: 37012804 DOI: 10.1063/5.0130953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 03/08/2023] [Indexed: 06/19/2023]
Abstract
High-power, short-pulse laser-driven fast electrons can rapidly heat and ionize a high-density target before it hydrodynamically expands. The transport of such electrons within a solid target has been studied using two-dimensional (2D) imaging of electron-induced Kα radiation. However, it is currently limited to no or picosecond scale temporal resolutions. Here, we demonstrate femtosecond time-resolved 2D imaging of fast electron transport in a solid copper foil using the SACLA x-ray free electron laser (XFEL). An unfocused collimated x-ray beam produced transmission images with sub-micron and ∼10 fs resolutions. The XFEL beam, tuned to its photon energy slightly above the Cu K-edge, enabled 2D imaging of transmission changes induced by electron isochoric heating. Time-resolved measurements obtained by varying the time delay between the x-ray probe and the optical laser show that the signature of the electron-heated region expands at ∼25% of the speed of light in a picosecond duration. Time-integrated Cu Kα images support the electron energy and propagation distance observed with the transmission imaging. The x-ray near-edge transmission imaging with a tunable XFEL beam could be broadly applicable for imaging isochorically heated targets by laser-driven relativistic electrons, energetic protons, or an intense x-ray beam.
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Affiliation(s)
- H Sawada
- Department of Physics, University of Nevada, Reno, Nevada 89557, USA
| | - T Yabuuchi
- Japan Synchrotron Radiation Research Institute, Hyogo 679-5198, Japan
| | - N Higashi
- Institute of Laser Engineering, Osaka University, Suita 565-0871, Osaka, Japan
| | - T Iwasaki
- Institute of Laser Engineering, Osaka University, Suita 565-0871, Osaka, Japan
| | - K Kawasaki
- Institute of Laser Engineering, Osaka University, Suita 565-0871, Osaka, Japan
| | - Y Maeda
- Institute of Laser Engineering, Osaka University, Suita 565-0871, Osaka, Japan
| | - T Izumi
- Institute of Laser Engineering, Osaka University, Suita 565-0871, Osaka, Japan
| | - Y Nakagawa
- Institute of Laser Engineering, Osaka University, Suita 565-0871, Osaka, Japan
| | - K Shigemori
- Institute of Laser Engineering, Osaka University, Suita 565-0871, Osaka, Japan
| | - Y Sakawa
- Institute of Laser Engineering, Osaka University, Suita 565-0871, Osaka, Japan
| | - C B Curry
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - M Frost
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - N Iwata
- Institute of Laser Engineering, Osaka University, Suita 565-0871, Osaka, Japan
| | - T Ogitsu
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - K Sueda
- RIKEN SPring-8 Center, Hyogo 679-5148, Japan
| | - T Togashi
- Japan Synchrotron Radiation Research Institute, Hyogo 679-5198, Japan
| | - S H Glenzer
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - A J Kemp
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - Y Ping
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - Y Sentoku
- Institute of Laser Engineering, Osaka University, Suita 565-0871, Osaka, Japan
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Kimura S, Shimizu K, Matsuoka Y, Iwasaki T, Kanazawa T, Morimatsu H. An Assessment of the Practice of Neuromuscular Blockade and the Association Between Its Prophylactic Use and Outcomes Among Postoperative Pediatric Cardiac Patients. J Cardiothorac Vasc Anesth 2023; 37:980-987. [PMID: 36933990 DOI: 10.1053/j.jvca.2023.02.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 02/13/2023] [Accepted: 02/17/2023] [Indexed: 02/24/2023]
Abstract
OBJECTIVES The authors investigated the management of neuromuscular blocking agents (NMBAs) for pediatric patients after cardiac surgery, and compared the outcomes of patients who received prophylactic NMBA (pNMBA) infusions and patients without pNMBA infusions. DESIGN A retrospective cohort study. SETTING At a tertiary teaching hospital. PARTICIPANTS Patients younger than 18, with congenital heart disease, who underwent cardiac surgery. INTERVENTIONS Commencement of NMBA infusion in the first 2 hours after surgery MEASUREMENTS AND MAIN RESULTS: The primary endpoint was a composite of one or more of the following major adverse events (MAEs) that occurred within 7 days after surgery: death from any cause, a circulatory collapse that needed cardiopulmonary resuscitation, and requirement for extracorporeal membrane oxygenation. The secondary endpoints included the total duration of mechanical ventilation for the first 30 days after surgery. A total of 566 patients were included in this study. The MAEs occurred in 13 patients (2.3%). An NMBA was commenced within 2 hours after surgery in 207 patients (36.6%). There were significant differences in the incidence of postoperative MAEs between the pNMBA group and the non-pNMBA group (5.3% v 0.6%; p < 0.001). In multivariate regression models, pNMBA infusion was not significantly associated with the incidence of MAEs (odds ratio: 1.79, 95% CI: 0.23-13.93, p = 0.58), but was significantly associated with prolonged mechanical ventilation by 3.85 days (p < 0.001). CONCLUSIONS Postoperative prophylactic neuromuscular blockade after cardiac surgery can be associated with prolonged mechanical ventilation, but has no association with MAEs among pediatric patients with congenital heart disease.
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Affiliation(s)
- Satoshi Kimura
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, Shikata-cho, Kita-ku, Okayama, Japan.
| | - Kazuyoshi Shimizu
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, Shikata-cho, Kita-ku, Okayama, Japan
| | - Yoshikazu Matsuoka
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, Shikata-cho, Kita-ku, Okayama, Japan
| | - Tatsuo Iwasaki
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, Shikata-cho, Kita-ku, Okayama, Japan
| | - Tomoyuki Kanazawa
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, Shikata-cho, Kita-ku, Okayama, Japan
| | - Hiroshi Morimatsu
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, Shikata-cho, Kita-ku, Okayama, Japan
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Yasutomi N, Shimizu T, Kanazawa T, Shimizu K, Iwasaki T, Morimatsu H. Temporary hypotension and ventilation difficulty during endoscopic injection sclerotherapy for esophageal varices in a child with Fontan circulation: a case report. JA Clin Rep 2022; 8:48. [PMID: 35789440 PMCID: PMC9253224 DOI: 10.1186/s40981-022-00538-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 06/21/2022] [Accepted: 06/26/2022] [Indexed: 01/10/2023] Open
Abstract
Background Endoscopic procedures are rarely performed in children with congenital heart disease (CHD); therefore, the associated complications are unknown. We report an abrupt change in circulatory and respiratory condition during endoscopic injection sclerotherapy for esophageal varices. Case presentation A 9-year-old boy with a history of total anomalous pulmonary venous connection (TAPVC) repair and Fontan procedure for asplenia and a single ventricle with TAPVC underwent endoscopic injection sclerotherapy under general anesthesia for esophageal varices. Systolic blood pressure decreased from 70 to 50 mmHg following a sclerosant injection; a second injection reduced his peripheral oxygen saturation from 93 to 79% secondary to ventilation difficulty. Although we suspected anaphylaxis intraoperatively, postoperative imaging suggested that balloon dilation performed to prevent sclerosing agent leakage caused compression of the pulmonary venous chamber and trachea owing to the anomalous intrathoracic organ anatomy. Conclusion Thorough understanding of the complex anatomy is important before performing endoscopic procedures in children with CHD to preoperatively anticipate possible intraoperative complications and select the optimal therapeutic approach and anesthesia management.
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Hashimoto N, Nakazawa T, Iwasaki T, Hashimoto T. POS0706 LONG-TERM HYDROXYCHLOROQUINE TREATMENT IMPROVES ESSPRI AND ESSDAI IN PATIENTS WITH PRIMARY SJOGREN’S SYNDROME. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BackgroundPrimary Sjögren’s syndrome (pSS) is a chronic, systemic autoimmune disease typically affecting the salivary and lacrimal glands and producing symptoms of dry mouth, dry eyes, fatigue and pain. Hydroxychloroquine (HCQ) have been shown to have various immunomodulatory and immunosuppressive effects, and currently have established roles in the management of rheumatoid arthritis and systemic lupus erythematosus (SLE). However, the use of HCQ in pSS is based in expert recommendations and in few studies with a low level of evidence. There are very few publications assessing HCQ use in a double-blind, randomized, and placebo-controlled studies. In Japan, HCQ is indicated for patients with SLE and cutaneous lupus erythematosus (CLE) and is off-label use for pSS patients without CLE. Recently, ESSPRI and ESSDAI have been developed by the European League Against Rheumatism (EULAR) SS study group as standardized outcome tools for measuring patients’ reported symptoms and disease-specific activity. ESSDAI and ESSPRI have been proven to be valid and reliable, they have been used to select patients or as the primary or secondary outcome measures in clinical trials.ObjectivesThe aim of this study was to examine the efficacy of HCQ in pSS at 8 and 52 weeks after treatment evaluated by ESSPRI and ESSDAI.MethodsTwenty-six pSS patients (26 female, mean age 51.6 ± 13.6 years) with CLE who fulfilled the ACR/EULAR classification criteria for SS and/or the Japanese Ministry of Health and Welfare criteria for SS were studied. The clinical indexes were evaluated by ESSDAI, ESSPRI, IgG and CH50 before and after HCQ treatment at 8 and 52weeks. ESSPRI components were calculated individually and as a single factor composed of the mean of the three components (pain, fatigue, and dryness: VAS 0-10). ESSDAI (0–123) proposes the evaluation of 12 domains or organ systems (constitutional, lymphadenopathy, glandular, articular, cutaneous, pulmonary, renal, peripheral nervous system, central nervous system, muscular, hematological and biology).ResultsESSPRI and component of fatigue and pain were significantly lower at 8 and 52 weeks after treatment than HCQ pre-treatment (ESSPRI: 4.14±1.45 vs 3.38±1.57, 3.34±1.56, p=0.005, p=0.045, fatigue: 4.68±2.12 vs 3.68±1.96, 3.58±1.87, p=0.010, p=0.036, pain: 3.32±1.94 vs 2.09±1.60, 1.79±1.51, p=0.0043, p=0.0014). However, there was no significant difference in dryness component between HCQ pre-treatment and 8 and 52 weeks after treatment (4.41 ± 2.09 vs 4.32 ± 2.06, 4.21 ± 2.39, p = 0.71, p = 0.94), and the amount of saliva produced by the gum test also showed no significant difference between pre-HCQ treatment and 52 weeks after treatment (8.21 ± 6.72 vs 8.24 ± 6.79 mL / 10 minutes, p = 0.45). There was also a significant decrease in ESSDAI and constitutional, articular, cutaneous and biological domain at 52 weeks after treatment compared to HCQ pre-treatment (ESSDAI: 9.68±6.14 vs 4.74±6.43, p=0.0004; constitutional: 1.41±1.50 vs 0.63±1.26, p=0.034, articular: 1.00±1.02 vs 0.21±0.63, p=0.0027, cutaneous: 2.86±3.27 vs 1.11±2.49, p=0.010, biological: 1.14±0.83 vs 0.79±0.86, p=0.014). An improvement of at least 1 point or 15% in ESSPRI and at least 3 points in ESSDAI compared to HCQ pr-treatment were observed in 63.6% and 31.8% at 8 weeks and 73.7% and 68.4% at 52 weeks after treatment. In addition, IgG was significantly decreased at 52 weeks after treatment compared to HCQ pre-treatment (1934 ± 613 vs 1714 ± 564 mg / dL, p=0.0005).ConclusionHCQ treatment improved pain such as arthritis, fatigue, constitutional and cutaneous manifestations, but was not effective for salivary function and dryness. HCQ treatment was useful in improving ESSPRI and ESSDAI, and long-term treatment increased the number of effective cases from 8 weeks to 52 weeks.Disclosure of InterestsNone declared
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Nakakubo Y, Tsuji H, Takase Y, Iwasaki T, Shirakashi M, Onizawa H, Hiwa R, Kitagori K, Akizuki S, Nakashima R, Onishi A, Yoshifuji H, Tanaka M, Morinobu A. AB0470 THE ASSOCIATIONS OF ANTI-DNA ANTIBODIES WITH DISEASE ACTIVITY INDICES AND PATIENT REPORT OUTCOME PARAMETERS OF SLE IN KYOTO LUPUS COHORT. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.1304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundSince the goals of remission or low disease activity are becoming more realistic with advances in treatment for SLE, there is a need to examine the measurements for SLE especially in patients with low disease activity. It has been known that disease activities in SLE are correlated with anti-DNA antibodies (Abs). However, it was not clear which measurements of disease activities or patient reported outcomes correlate better with anti-DNA Abs.ObjectivesTo examine the association between parameters for SLE and anti-DNA Abs measured with RIA in Kyoto Lupus Cohort, a SLE registry in Kyoto University Hospital from 2019 to 2021.Methods1)Correlations between anti-DNA Abs with SLEDAI, M-SLEDAI (SLEDAI without anti-DNA Abs), VAS, LupusPRO, SF-36, and Systemic lupus erythematosus Symptom Checklist (SSC) were evaluated cross-sectionally (n = 310).2)The alterations in SLE parameters and anti-DNA Abs between two visits were examined (n = 106). Further, the correlations within 3 months were examined in cases with flare-ups of SLE (the alteration in SLEDAI > 0 and anti-DNA Abs≧0, n = 39). The associations of the alterations of anti-DNA Abs with each item of SLEDAI classified by organs were also examined.Results1)31 percent of the cases in the entire registry was classified as remission or low disease activity (Table 1). SLEDAI (mean±SD) was higher in patients positive for anti-DNA Abs (7.94±5.20) than that in patients negative for anti-DNA Abs (4.56±4.65) (p < 0.0001). Anti-DNA Abs were weakly correlated with SLEDAI (R = 0.24 [p < 0.0001]), M-SLEDAI (R = 0.15 [p = 0.014]), and Physician-VAS (R = 0.19 [p = 0.0016]). On the other hand, there were no significant correlations between anti-DNA Abs and LupusPRO and SSC. Some dimensions in SF-36 had weak correlations with anti-DNA Abs, while no component summary scores had significant correlations with anti-DNA Abs.Table 1.Patients’ demographics and disease characteristics in the cohort (n = 310).VariableResultsAge (years)47.7 (39.4, 57.5)Female sexn = 284 (91.6%)Disease duration (years)15.9 (9.4, 24.5)Anti-DNA Ab positivity†n = 106 (34.2%)Anti- DNA Ab titer (U/mL)4 (0, 8)SLEDAI4 (2, 8)SLEDAI<=4n = 162 (52.1%)SSC31 (16.2, 52.5)Remission or LDAn = 95 (30.7%)Patient-VAS38 (15, 52)Physician-VAS13.3 (3.3, 23.3)SF-36 PCS45.4 (36.6, 52.4)SF-36 MCS48.2 (41.5, 53.6)SF-36 RCS51.3 (42.6, 58.6)LupusPRO HQOL70.2 (54.8, 86.5)LupusPRO NHQOL41.7 (31.3, 51.0)Glucocorticoid (mg/day)5 (4, 8)* Data are n (%) or median (Q1, Q3).† Anti-DNA Ab positivity at the time of the cross-sectional observation.2)No significant correlations were observed between the alterations of SLEDAI and anti-DNA Abs (R = 0.00 [95% CI: -0.23 – 0.22, p = 0.95]) in the total of patients with various range of observation periods (Figure 1A). In contrast, a significant correlation was observed (R = 0.32, p = 0.04) within 3 months after the flare-ups of SLE (Figure 1B). No significant correlations were found between the alterations in VAS and anti-DNA Abs, or the alterations of SSC and anti-DNA Abs. They showed the following organ symptoms: renal involvement, 62.8%; musculoskeletal, 17.1%; neuropsychiatric, 11.4%; hematological, 5.7%; mucocutaneous, 11.4%; serositis, 2.9%, and fever, 2.9%.Figure 1.The associations between the alteration in anti-DNA Ab and SLEDAIConclusionThe associations between anti-DNA Abs with several parameters of SLE were examined. Anti-DNA Abs correlated with disease activities (SLEDAI) in SLE patients, especially when observed in the condition of flare-up.References[1]Ho A, et al. Arthritis Rheum. 2001;44:2342-9.Disclosure of InterestsNone declared
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Sugawara H, Doi H, Iwasaki T, Nakayama Y, Nishida Y, Gon Y, Kamakura M, Ohbori K, Sakane N, Nakamura N, Utsumi T, Morinobu A. POS1196 SARS-CoV-2 VACCINE ACCEPTANCE AND ASSOCIATED PSYCHOLOGICAL FACTORS IN PATIENTS WITH RHEUMATIC AND MUSCULOSKELETAL DISEASES. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundThe mortality rate of coronavirus disease 2019 (COVID-19) in patients with rheumatic and musculoskeletal disease (RMD) is as high as approximately 10% [1]. Therefore, vaccination promotion is a critical issue. However, there are few reports on the psychological aspects of patient vaccine acceptance.ObjectivesTo investigate the intention of patients with RMD to receive the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccine and explore the psychological factors related to vaccine acceptance.MethodsWe conducted a questionnaire-based survey of 406 outpatients with RMD at Shiga General Hospital from July to October 2021. The questionnaire included the following sections: (1) vaccination status; (2) expectation of susceptibility to severe COVID-19; (3) expectation of vaccine efficacy; and (4) anxiety about the vaccine, which included concerns on I) the diminishing effect of the vaccine due to current treatment and II) the influence of vaccination on: i) primary disease status, ii) treatment, and iii) adverse reaction.ResultsThere were 305 vaccinated and 101 unvaccinated individuals. Unvaccinated individuals were classified into the acceptance group (n=60) and hesitancy group (n=41) according to their vaccination status (Figure 1).Figure 1.SARS-CoV-2 vaccination status (n=406)We compared the backgrounds and awareness of the patients on vaccination between the two groups. Univariate analysis did not show any difference in the backgrounds. The expectation of susceptibility to severe COVID-19 was similar in both groups. There were also no significant differences in the vaccine-related anxiety levels. However, the expectation of vaccine efficacy was higher in the acceptance group and significantly influenced vaccination intention as revealed by multivariate analyses (Table 1).Table 1.Awareness towards COVID-19 and SARS-CoV-2 vaccine associated with vaccination intentionAwareness towards COVID-19 and SARS-CoV-2 vaccineAcceptance(N=60)Hesitancy(N=41)UnivariateAnalysis§Multivariate Analysis||Median[IQR]Median[IQR]p-valuep-valueExpectation of susceptibility to severe COVID-19*2.0[1.0-3.0]2.0[1.5-2.5]0.84720.3440Expectation of vaccine efficacy†3.0[3.0-3.0]2.0[1.0-3.0]<0.0001¶<0.0001**Concerns about the diminishing effect of the vaccine due to current treatment‡2.0[1.0-3.0]3.0[2.0-3.0]0.04750.3600Concerns about the effect of vaccination on treatment‡3.0[1.0-3.0]3.0[2.0-4.0]0.01280.6232Concern about the effect of vaccination on primary disease status‡3.0[1.0-3.0]3.0[2.0-3.0]0.05760.7134Concern about the effect of vaccination on adverse reaction‡3.0[3.0-3.0]3.0[3.0-4.0]0.00930.8335*0: Less likely to become severe~3: Very likely to become severe, †0: Not expected at all~4: Highly expected, ‡0: Not concerned at all ~4:Very concerned§Pearson’s chi-square test or Wilcoxon test, ||Nominal logistic regression analysis, ¶ p<0.008 (after Bonferroni correction), ** p<0.05.ConclusionThe perception of vaccine efficacy is strongly correlated with vaccine acceptance. In order to promote vaccination in patients with RMDs, this study suggests that emphasizing the efficacy of the vaccine may be more effective than alleviating anxiety about the adverse effects of the vaccine.References[1]Strangfeld, A. et al. Ann. Rheum. Dis. 2021; 80: 930–942.Disclosure of InterestsHaruka Sugawara: None declared, Hiroshi Doi: None declared, Takeshi Iwasaki: None declared, Yoichi Nakayama: None declared, Yuri Nishida: None declared, Yoshie Gon: None declared, Masaki Kamakura: None declared, Kenshi Ohbori: None declared, Naoko Sakane: None declared, Naomi Nakamura: None declared, Takahiko Utsumi: None declared, Akio Morinobu Speakers bureau: Eli Lilly Japan K.K., Ono Pharmaceutical Co., Pfizer Inc., UCB Japan, AbbVie G.K., Asahi Kasei Pharma., and Chugai Pharmaceutical Co. Ltd., Grant/research support from: Eli Lilly Japan K.K., Ono Pharmaceutical Co., Pfizer Inc., UCB Japan, AbbVie G.K., Asahi Kasei Pharma., and Chugai Pharmaceutical Co. Ltd.
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Baba K, Kondo M, Eitoku T, Shigemitsu Y, Hirai K, Otsuki S, Kanazawa T, Iwasaki T, Iguchi T, Toh N, Kotani Y, Kasahara S. Vascular occlusion with 0.035-inch hydrogel expandable coils in congenital heart diseases and vascular anomalies. J Cardiol 2022; 80:249-254. [PMID: 35562207 DOI: 10.1016/j.jjcc.2022.04.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 03/21/2022] [Accepted: 04/13/2022] [Indexed: 12/26/2022]
Abstract
BACKGROUND We present our experience with transcatheter vascular occlusion using 0.035-inch hydrogel expandable coils, which has been reported only in a few cases in the pediatric cardiology fields. METHODS This study is a retrospective analysis of all patients who underwent transcatheter embolization with 0.035-inch hydrogel coils at the Department of Pediatrics, Okayama University Hospital, between October 2018 and September 2020. RESULTS Twenty patients with a median age of 5.1 years (0.05-26.0 years) and a median weight of 13.8 kg (3.0-56.8 kg) were included. A total of fifty-four 0.035-inch hydrogel coils, including 35 Azur 35 and nineteen Azur CX 35 coils (Terumo, Tokyo, Japan), were successfully deployed in 22 target vessels. The target vessels consisted of 10 aortopulmonary collaterals, 8 veno-venous collaterals, and 4 pulmonary arteriovenous malformations. We achieved technical success in all the target vessels. In total, the mean target vessel diameter was 4.4 mm, the mean number of 0.035-inch hydrogel coils was 2.5 per vessel. The mean device to vessel ratio was 1.6 for the anchor coil and 1.2 for the additional coil. Post-implantation angiograms revealed that the primary occlusion rate was 18/22 (82%). There were no periprocedural complications. CONCLUSIONS The 0.035-inch hydrogel expandable coils are effective and safe in patients with congenital heart disease and vascular anomalies. These occlusion devices could be valuable options for interventional pediatric cardiologists.
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Affiliation(s)
- Kenji Baba
- Department of Pediatrics, Okayama University Hospital, Okayama, Japan.
| | - Maiko Kondo
- Department of Pediatrics, Okayama University Hospital, Okayama, Japan
| | - Takahiro Eitoku
- Department of Pediatrics, Okayama University Hospital, Okayama, Japan
| | - Yusuke Shigemitsu
- Department of Pediatrics, Okayama University Hospital, Okayama, Japan
| | - Kenta Hirai
- Department of Pediatrics, Okayama University Hospital, Okayama, Japan
| | - Shinichi Otsuki
- Department of Pediatrics, Okayama University Hospital, Okayama, Japan
| | - Tomoyuki Kanazawa
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, Okayama, Japan
| | - Tatsuo Iwasaki
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, Okayama, Japan
| | - Toshihiro Iguchi
- Department of Radiology, Okayama University Hospital, Okayama, Japan
| | - Norihisa Toh
- Department of Cardiovascular Medicine, Okayama University Hospital, Okayama, Japan
| | - Yasuhiro Kotani
- Department of Cardiovascular Surgery, Okayama University Hospital, Okayama, Japan
| | - Shingo Kasahara
- Department of Cardiovascular Surgery, Okayama University Hospital, Okayama, Japan
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Shimizu T, Kanazawa T, Sakura T, Shimizu K, Iwasaki T. Intact survival from severe cardiogenic shock caused by the first attack of atrial tachycardia treated with extracorporeal membrane oxygenation and surgical left atrium appendage resection: a case report. JA Clin Rep 2021; 7:81. [PMID: 34731340 PMCID: PMC8563818 DOI: 10.1186/s40981-021-00481-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 10/07/2021] [Accepted: 10/10/2021] [Indexed: 11/21/2022] Open
Abstract
Background Atrial tachycardia (AT) is rare in children and can usually be reversed to sinus rhythm with pharmacotherapy and cardioversion. We report a rare case of severe left-sided heart failure due to refractory AT. Case presentation A 12-year-old boy had AT with a heart rate of 180 beats/minute, which was refractory to any medication and defibrillation despite the first attack. Due to rapid cardiorespiratory collapse shortly after arriving at our hospital, central extracorporeal membrane oxygenation (ECMO) with left arterial venting was started immediately. Although AT persisted after that, it stopped on the 3rd day after admission following surgical resection of the left atrial appendage thought to be the source of AT. He was weaned off ECMO on the 7th day and ventilator on the 14th day. Conclusions The appropriate timing of central ECMO and surgical ablation were effective in saving this child from a life-threatening situation caused by refractory AT.
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Affiliation(s)
- Tatsuhiko Shimizu
- Department of Anesthesiology and Resuscitology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
| | - Tomoyuki Kanazawa
- Department of Anesthesiology and Resuscitology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan.
| | - Takanobu Sakura
- Department of Anesthesiology and Resuscitology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
| | - Kazuyoshi Shimizu
- Department of Anesthesiology and Resuscitology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
| | - Tatsuo Iwasaki
- Department of Anesthesiology and Resuscitology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
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Hirai K, Ousaka D, Fukushima Y, Kondo M, Eitoku T, Shigemitsu Y, Hara M, Baba K, Iwasaki T, Kasahara S, Ohtsuki S, Oh H. Cardiosphere-derived exosomal microRNAs for myocardial repair in pediatric dilated cardiomyopathy. Sci Transl Med 2021; 12:12/573/eabb3336. [PMID: 33298561 DOI: 10.1126/scitranslmed.abb3336] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 10/15/2020] [Indexed: 12/31/2022]
Abstract
Although cardiosphere-derived cells (CDCs) improve cardiac function and outcomes in patients with single ventricle physiology, little is known about their safety and therapeutic benefit in children with dilated cardiomyopathy (DCM). We aimed to determine the safety and efficacy of CDCs in a porcine model of DCM and translate the preclinical results into this patient population. A swine model of DCM using intracoronary injection of microspheres created cardiac dysfunction. Forty pigs were randomized as preclinical validation of the delivery method and CDC doses, and CDC-secreted exosome (CDCex)-mediated cardiac repair was analyzed. A phase 1 safety cohort enrolled five pediatric patients with DCM and reduced ejection fraction to receive CDC infusion. The primary endpoint was to assess safety, and the secondary outcome measure was change in cardiac function. Improved cardiac function and reduced myocardial fibrosis were noted in animals treated with CDCs compared with placebo. These functional benefits were mediated via CDCex that were highly enriched with proangiogenic and cardioprotective microRNAs (miRNAs), whereas isolated CDCex did not recapitulate these reparative effects. One-year follow-up of safety lead-in stage was completed with favorable profile and preliminary efficacy outcomes. Increased CDCex-derived miR-146a-5p expression was associated with the reduction in myocardial fibrosis via suppression of proinflammatory cytokines and transcripts. Collectively, intracoronary CDC administration is safe and improves cardiac function through CDCex in a porcine model of DCM. The safety lead-in results in patients provide a translational framework for further studies of randomized trials and CDCex-derived miRNAs as potential paracrine mediators underlying this therapeutic strategy.
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Affiliation(s)
- Kenta Hirai
- Department of Pediatric Cardiology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Daiki Ousaka
- Department of Cardiovascular Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Yosuke Fukushima
- Department of Pediatric Cardiology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Maiko Kondo
- Department of Pediatric Cardiology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Takahiro Eitoku
- Department of Pediatric Cardiology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Yusuke Shigemitsu
- Department of Pediatric Cardiology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Mayuko Hara
- Department of Pediatric Cardiology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Kenji Baba
- Department of Pediatric Cardiology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Tatsuo Iwasaki
- Department of Anesthesiology and Resuscitology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Shingo Kasahara
- Department of Cardiovascular Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Shinichi Ohtsuki
- Department of Pediatric Cardiology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Hidemasa Oh
- Department of Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan.
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Kadoba K, Watanabe R, Iwasaki T, Kitagori K, Akizuki S, Murakami K, Nakashima R, Hashimoto M, Tanaka M, Ohmura K, Morinobu A, Terao C, Yoshifuji H. POS0345 CLINICOGENETIC STUDY OF FIVE NOVEL SUSCEPTIBILITY LOCI FOR TAKAYASU ARTERITIS: SUSCEPTIBILITY LOCI IN THE IL12B AND PTK2B REGION, BUT NOT THE LILRA3, DUSP22, KLHL33 REGIONS, ARE ASSOCIATED WITH VASCULAR DAMAGE IN TAKAYASU ARTERITIS. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:We have previously identified single nucleotide polymorphism (SNP) rs6871626 in IL12B, rs103294 in LILRA3, rs17133698 in DUSP22, rs2322599 in PTK2B, and rs1713450 in KLHL33 as non-HLA susceptibility loci in Takayasu arteritis (TAK) [1, 2]. However, the association of these SNPs with clinical features has scarcely investigated.Objectives:In this study, we aimed to examine how these SNPs contribute to clinical features and vascular damage in TAK.Methods:We enrolled 99 TAK patients who were enrolled in our previous genome-wide association study (GWAS) [2]. To assess vascular damage, Takayasu Arteritis Damage Score (TADS) and Vasculitis Damage Index (VDI) were measured at the last visit before November 2020. As for organ damages, the presence or absence of aortic regurgitation (AR), hypertension, ischemic heart disease, cerebrovascular event, visual loss, end-stage renal failure, and inflammatory bowel disease were evaluated. Treatment profiles including immunosuppressive drugs and vascular interventions were also reviewed.Results:The incidence of AR was positively associated with the risk allele of IL12B rs6871626 (p=0.0052; odds ratio (OR) 2.45, 95% confidence interval (CI) 1.27-4.73), and so was the proportion of patients who underwent aortic valve replacement (p=0.023; OR 3.64, 95% CI 1.08-12.24) (table 1). The incidence of hypertension was associated with the risk allele of IL12B rs6871626 (p=0.049; OR 1.82, 95% CI 0.99-3.36) and PTK2B rs2322599 (p=0.044; OR 2.52, 95% CI 0.97-6.54) (table 1). The proportion of biologic users tended to be higher in the risk genotypes of IL12B rs6871626 (p=0.15; OR1.80, 95% CI 0.79-3.99). Regarding vascular damage, there was positive correlation between TADS and the risk allele of IL12B rs6871626 (p=0.0035; β= 1.35) (Figure 1). Moreover, VDI was also positively correlated with the allele (p=0.0054; β= 0.96) (Figure 1). No other clinicogenetic associations were observed between five SNPs and vasculitis-associated damages.Table 1.The association of the five SNPs with aortic regurgitation and hypertensionAortic regurgitationHypertensionOR (95% CI)p valueOR (95% CI)p valueIL12B rs68716262.45 (1.27-4.73)0.0052*1.82 (0.99-3.36)0.049*PTK2B rs23225991.21 (0.51-2.86)0.672.51 (0.97-6.54)0.044*LILRA3 rs1032941.16 (0.52-2.61)0.711.20 (0.55-1.64)0.64DUSP22 rs171336980.56 (0.28-1.13)0.0900.87 (0.46-1.63)0.66KLHL33 rs17134500.89 (0.42-1.91)0.771.48 (0.68-3.22)0.31SNP, single nucleotide polymorphism; OR, odds ratio; CI, confidence intervalConclusion:In the present study, IL12B rs6871626 was closely correlated with vascular damage. We also found association between PTK2B rs2322599 and hypertension. There was no significant relevance between vascular damage and LILRA3 rs103294, DUSP22 rs17133698, or KLHL33 rs1713450.References:[1]Terao C et al. Am J Hum Genet. 2013;93(2):289-97.[2]Terao C et al. Proc Natl Acad Sci U S A. 2018;115(51):13045-50.Disclosure of Interests:Keiichiro Kadoba: None declared, Ryu Watanabe Speakers bureau: I have received speaker’s fee from Mitsubishi Tanabe Pharma, Pfizer, Sanofi, AbbVie, Asahi Kasei, Eisai, Eli Lilly, Bristol-Myers Squibb, and Janssen., Takeshi Iwasaki: None declared, Koji Kitagori Grant/research support from: KK has received research grants from GlaxoSmithKline., Syuji Akizuki: None declared, Kosaku Murakami Speakers bureau: I have received speaking fees from Eisai Co. Ltd, Chugai Pharmaceutical Co. Ltd., Pfizer Inc., Bristol-Myers Squibb, Mitsubishi Tanabe Pharma Corporation, UCB Japan Co. Ltd, Daiichi Sankyo Co. Ltd. and Astellas Pharma Inc., Ran Nakashima: None declared, Motomu Hashimoto Speakers bureau: I have received a research grant and/or speaker fee from Bristol-Myers, Eisai, Ely Lilly, Mitsubishi Tanabe Pharma., Grant/research support from: I have received a research grant and/or speaker fee from Bristol-Myers, Eisai, Ely Lilly, Mitsubishi Tanabe Pharma., Masao Tanaka Speakers bureau: I have received research grants and/or speaker fees from AbbVie GK, Asahi Kasei Pharma Corporation, Astellas Pharma Inc., Bristol-Myers Squibb, Chugai Pharmaceutical Co., Ltd., Eisai Co., Ltd., Eli Lilly and Company, Pfizer Inc., UCB Japan Co., Ltd., Janssen Pharmaceutical K.K., Mitsubishi Tanabe Pharma Corporation, Novartis Pharma K.K., Taisho Pharma Co., Ltd, and Takeda Pharmaceutical Company Limited., Koichiro Ohmura Speakers bureau: I have received speaker’s fee from Abbvie, Actelion, Asahikasei Pharma, Astellas, AYUMI, Bristol-Myers Squibb, Chugai, Daiichi-Sankyo, Eisai, Eli Lilly, GSK, Janssen, JB, Mitsubishi Tanabe, Nippon Kayaku, Nippon Shinyaku, Novartis, Sanofi and Takeda., Grant/research support from: I have received research grants from GlaxoSmithKline., Akio Morinobu Speakers bureau: I have received speaking fees from Chugai Pharmaceutical Co. Ltd., Grant/research support from: I have received research grants from Chugai Pharmaceutical Co. Ltd., Chikashi Terao: None declared, Hajime Yoshifuji Speakers bureau: I have received lecture fees from Chugai., Consultant of: I have been an advisory board for a clinical trial conducted by Janssen.
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Hashimoto N, Uchiyama S, Nakazawa T, Iwasaki T, Hashimoto T. POS0707 SALIVARY GLAND ULTRASONOGRAPHY AND THE CLINICAL FEATURES USING ESSDAI IN PATIENTS OF EARLY-ONSET VERSUS LATE-ONSET WITH PRIMARY SJÖGREN’S SYNDROME. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Primary Sjögren’s syndrome (pSS) is a chronic inflammatory autoimmune disease characterized by lymphocyte infiltration in salivary and lacrimal glands. pSS affects primarily middle-aged and elderly patients, although younger age groups may also be involved. However, differences of etiology and pathogenesis between early-onset pSS (EOpSS) and late-onset pSS (LOpSS) are unknown. Recently, standardized outcome tools for measuring disease-specific activity and patients’ reported symptoms have been formulated by the European League Against Rheumatism (EULAR) SS study group: the EULAR SS Disease Activity Index (ESSDAI) for systemic features of pSS [1]. Also, as the new imaging techniques, salivary gland ultrasonography (SGUS) proved valuable for assessing salivary gland involvement in SS and seemed to exhibit good diagnostic properties. In addition, previous studies have demonstrated usefulness of SGUS for the prognostic stratification of patients with pSS [2], [3], [4].Objectives:The aim of this study was to examine the differences of etiology and pathogenesis between EOpSS and LOpSS using ESSDAI and SGUS.Methods:Fifty-six pSS patients who fulfilled the American College of Rheumatology (ACR) / European League Against Rheumatism (EULAR) classification criteria for SS were studied. Based on the disease onset age, all pSS patients were divided into two groups as those with the onset age of 40 years old or younger (EOpSS: n=26) and those with the onset age of older than 65 years old (LOpSS: n=30). The clinical findings were evaluated ESSDAI and OMERACT SGUS score at the first visit to our hospital. The ESSDAI (0–123) proposes the evaluation of 12 domains or organ systems (constitutional, lymphadenopathy, glandular, articular, cutaneous, pulmonary, renal, peripheral nervous system, central nervous system, muscular, hematological and biology). All patients were examined SGUS by a single investigator who was blinded to device (TUS-A300; Canon Medical Systems, Tokyo, Japan) with a linear transducer (7.5-10MHz). The OMERACT SGUS score was used for graded changes in the parenchymal homogeneity of salivary glands: grade 0, normal-appearing salivary gland parenchyma; grade 1, minimal change: mild inhomogeneity without hypo/anechoic areas; grade 2, moderate change: moderate inhomogeneity with focal hypo/anechoic areas; grade 3, severe change: diffuse inhomogeneity with hypo/anechoic areas occupying the entire gland surface [5].Results:The proportions of positive sera of RF, anti-SS-A and anti-SS-B antibodies were not different in the two groups, but the disease activities were higher in the EOpSS than in the LOpSS patients by measuring ESSDAI (7.30 vs 4.23, p=0.008), especially in constitutional domain (1.50 vs 0.60, p=0.03), articular domain (1.54 vs 0.40, p=0.0002) and biological domain (1.35 vs 0.90, p=0.04). No difference in salivary secretion was found between two groups (EOpSS: 8.02 vs LOpSS: 6.31 mL/10min.), but the OMERACT SGUS score was higher in LOpSS than in EOpSS patients (2.00 vs 2.70, p=0.0002).Conclusion:Although serological findings were not different, EOpSS patients had higher disease activity but less severe salivary gland degeneration than that in LOpSS patients, suggesting the pathogenesis of these two groups was different.References:[1]Seror R, et al. Ann Rheum Dis. 2010 Jun;69(6):1103-9.[2]Arthritis Care Res (Hoboken). 2014 Jul;66(7):1102-7.[3]Hammenfors DS, et al. Clin Exp Rheumatol. 2015 Jan-Feb;33(1):56-62.[4]Milic V, et al. PLoS One. 2019 Dec 31;14(12): e0226498.[5]Jousse-Joulin S, et al. Ann Rheum Dis. 2019 Jul;78(7):967-973.Disclosure of Interests:None declared
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Taka H, Kotani Y, Kuroko Y, Iwadou S, Iwasaki T, Kasahara S. Risk factors and outcomes of pediatric extracorporeal membrane oxygenation. Asian Cardiovasc Thorac Ann 2021; 29:916-921. [PMID: 33611945 DOI: 10.1177/0218492321997379] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Congenital heart disease (CHD) is the most common neonatal and pediatric cardiac indication for extracorporeal membrane oxygenation (ECMO). Risk factors of survival and neurologic complication were different in many centers. We sought to evaluate survival and neurological outcome after ECMO in patients with CHD. METHODS We retrospectively reviewed the medical records of 37 patients (<16 years old) who received ECMO. Indications for ECMO were failure to wean from cardiopulmonary bypass in 18 patients, extracorporeal cardiopulmonary resuscitation (ECPR) in 13 patients, and others in 6 patients. The median cardiopulmonary resuscitation (CPR) duration in ECPR patients was 48 min (interquartile range: 38-53 min). Neurological outcomes were evaluated using the Pediatric Cerebral Performance Category (PCPC) scale one year after hospital discharge. RESULTS The median ECMO duration was 160 (91-286) h. Twenty-nine patients (78%) were successfully weaned off ECMO. Overall survival to hospital discharge was 59%. Risk factors of mortality were as follows: ECMO duration >1 week and urine output <1 mL/kg/h in the first 24 h after ECMO induction by multivariable analysis. Of the 22 survivors, 15 (68%) patients had a favorable outcome (PCPC ≤2). Risk factors for unfavorable outcomes (PCPC ≥3) included ECPR as indication and CPR of longer than 40 min. CONCLUSIONS Longer ECMO duration and lower urine output were associated with increased mortality. Neurologic outcomes were not satisfactory when CPR was required for a longer period before ECMO establishment.
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Affiliation(s)
- Hiroshi Taka
- Department of Clinical Engineering Center, Okayama University Hospital, Okayama, Japan
| | - Yasuhiro Kotani
- Department of Cardiovascular Surgery, Okayama University Hospital, Okayama, Japan
| | - Yosuke Kuroko
- Department of Cardiovascular Surgery, Okayama University Hospital, Okayama, Japan
| | - Susumu Iwadou
- Department of Clinical Engineering Center, Okayama University Hospital, Okayama, Japan
| | - Tatsuo Iwasaki
- Department of Pediatric Anesthesiology, Okayama University Hospital, Okayama, Japan
| | - Shingo Kasahara
- Department of Cardiovascular Surgery, Okayama University Hospital, Okayama, Japan
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Kanazawa T, Shimizu K, Iwasaki T, Baba K, Otsuki S, Kotani Y, Kasahara S, Morimatsu H. Perioperative Milrinone Infusion Improves One-Year Survival After the Norwood-Sano Procedure. J Cardiothorac Vasc Anesth 2021; 35:2073-2078. [PMID: 33736911 DOI: 10.1053/j.jvca.2021.02.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 01/19/2021] [Accepted: 02/05/2021] [Indexed: 11/11/2022]
Abstract
OBJECTIVES The aim of this study was to investigate whether milrinone infusion improved one-year survival in patients who underwent the Norwood-Sano procedure. DESIGN A retrospective observational study. SETTING A single-institution university hospital. PARTICIPANTS Children who underwent the Norwood-Sano procedure from January 2008 to December 2014. INTERVENTIONS Patients were categorized into two groups: group E+D, who received routine epinephrine and dopamine infusion, and group M, who received routine milrinone infusion for intra- and postoperative inotropic support. MEASUREMENTS AND MAIN RESULTS The primary outcome of this study was one-year survival after the Norwood-Sano procedure. A total of 45 patients were included (group E+D, 22; group M, 23). One-year survival in group M was significantly higher than that in group E+D (95.7% [22/23] v 72.7% [16/22], p = 0.03). A Kaplan-Meier curve also showed that one-year survival in group M was significantly higher than that in group E+D (p = 0.04), from the result of the log-rank test. The number of patients who had any arrhythmias in the intensive care unit (ICU) was significantly lower in group M than in group E+D (21.7% [5/23] v 50% [11/22], p = 0.03). The duration of ICU stay did not have statistical difference between groups (group M 19; interquartile range [IQR], 15-28) v group E+D 19.5 (IQR, 16.3-35.5) days, p = 0.57). CONCLUSIONS Perioperative milrinone infusion improved the mortality after the Norwood-Sano procedure. Potential advantages of milrinone compared with epinephrine are fewer arrhythmias and better systemic perfusion, which could decrease lethal cardiac events in the ICU.
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Affiliation(s)
- Tomoyuki Kanazawa
- Anesthesiology and Resuscitology, Okayama University Hospital, Kitaku, Okayama, Japan.
| | - Kazuyoshi Shimizu
- Anesthesiology and Resuscitology, Okayama University Hospital, Kitaku, Okayama, Japan
| | - Tatsuo Iwasaki
- Anesthesiology and Resuscitology, Okayama University Hospital, Kitaku, Okayama, Japan
| | - Kenji Baba
- Pediatric Cardiology, Okayama University Hospital, Kitaku, Okayama, Japan
| | - Shinichi Otsuki
- Pediatric Cardiology, Okayama University Hospital, Kitaku, Okayama, Japan
| | - Yasuhiro Kotani
- Cardiovascular Surgery, Okayama University Hospital, Kitaku, Okayama, Japan
| | - Shingo Kasahara
- Cardiovascular Surgery, Okayama University Hospital, Kitaku, Okayama, Japan
| | - Hiroshi Morimatsu
- Anesthesiology and Resuscitology, Okayama University Hospital, Kitaku, Okayama, Japan
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Tani M, Kanazawa T, Shioji N, Shimizu K, Iwasaki T, Morimatsu H. Successful treatment with positive airway pressure ventilation for tension pneumopericardium after pericardiocentesis in a neonate: a case report. JA Clin Rep 2020; 6:79. [PMID: 33029685 PMCID: PMC7541804 DOI: 10.1186/s40981-020-00384-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Revised: 09/27/2020] [Accepted: 09/29/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Pneumopericardium in neonates is often associated with respiratory diseases, of which positive pressure ventilation (PPV) is an exacerbating factor. Here, we present a neonate case of pneumopericardium after cardiac surgery which was resolved after applying PPV. CASE PRESENTATION A 28-day-old neonate with left recurrent nerve palsy after aortic reconstruction for interrupted aortic arch developed pericardial effusion. Pericardiocentesis was performed under general anesthesia, and a drainage tube was left in the pericardium. After extubation, stridor gradually exacerbated, following hemodynamic deterioration. A chest X-ray demonstrated pneumopericardium. Upper airway stenosis due to recurrent nerve palsy developed excessive negative pleural pressure, and air was drawn into pericardium via the insertion site of the drainage tube. After tracheal intubation and applying PPV, the pneumopericardium improved. CONCLUSION PPV does not always exacerbate pneumopericardium. In a patient with pericardial-atmosphere communication, increased inspiration effort can cause pneumopericardium, and PPV is a therapeutic option to alleviate the pneumopericardium.
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Affiliation(s)
- Makiko Tani
- Department of Anesthesiology and Resuscitology, Graduate School of Medicine Dentistry and Pharmaceutical Sciences, Okayama University, 2-5-1, Shikata-cho, Kita-ku, Okayama, 700-8558, Japan.
| | - Tomoyuki Kanazawa
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
| | - Naohiro Shioji
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
| | - Kazuyoshi Shimizu
- Department of Anesthesiology and Resuscitology, Graduate School of Medicine Dentistry and Pharmaceutical Sciences, Okayama University, 2-5-1, Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
| | - Tatsuo Iwasaki
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1, Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
| | - Hiroshi Morimatsu
- Department of Anesthesiology and Resuscitology, Graduate School of Medicine Dentistry and Pharmaceutical Sciences, Okayama University, 2-5-1, Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
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Hashimoto N, Uchiyama S, Kitano M, Nakazawa T, Iwasaki T, Hashimoto T. SAT0546 COMPARISON OF SHEAR WAVE ELASTOGRAPHY AND CONVENTIONAL ULTRASONOGRAPHY OF SALIVARY GLANDS IN PATIENTS WITH PRIMARY SJOGREN’S SYNDROME: CAN SHEAR WAVE ELASTOGRAPHY CAPTURE LESIONS THAT ARE DIFFICULT TO DIAGNOSE WITH CONVENTIONAL ULTRASONOGRAPHY? Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Sjögren’s syndrome (SS) is a chronic inflammatory autoimmune disease characterized by lymphocyte infiltration in salivary and lacrimal glands. Recently, salivary gland ultrasonography (US) proved valuable for assessing salivary gland involvement in SS and seemed to exhibit good diagnostic properties. In the literature, studies conducted by the scoring of the structural changes according to B-Mode US of salivary glands showed a wide variability regarding sensitivity and specificity. Our previously study demonstrated that although conventional B-mode US findings were useful for the diagnosis of SS with low salivary flow they were not for subclinical SS with normal salivary flow (EULAR 2016). Recently, we reported that the tissue elasticity was decreased due to structural changes in the submandibular glands (SG) at the advanced stage of the disease and the shear wave elastography (SWE) is useful to distinguish pathological changes of the SG in patients with SS (EULAR2018).Objectives:The aim of this study was to compare the usefulness of SG conventional B-mode US and SWE findings in non-SS and SS patients classified by salivary flow.Methods:Twenty-two non-SS patients and 99 SS patients who fulfilled the American College of Rheumatology (ACR) / European League Against Rheumatism (EULAR) classification criteria for SS were studied. SS patients were divided into three groups according to salivary flow using gum test (VL/SS <5mL/10min. (n=38), L/SS 5-10mL/10min. (n=41) and N/SS >10mL/10min. (n=20)). All patients were examined SGUS by a single investigator who was blinded to device (TUS-A300; Canon Medical Systems, Tokyo, Japan) with a linear transducer (7.5-10MHz). The examination consisted of conventional B-mode US (US staging score), pulsed wave Doppler US (PD grading score) and SWE with quantitative assessment. US staging scores were assessed by glandular size, inhomogeneity and contrast of diagastric muscle (stage 0 to 3). PD grading scores were graded by pulsed wave pattern in pulsed wave Doppler US at the internal SG facial arteries (grade 0 to 2). With the region-of-interest (ROI) placed over the stiffest areas of the lesion on SWE, the quantitative means of the elasticity values were measured by shear wave velocity (Vs; m/s) and elasticity (E; kPa) for each lesion.Results:The US staging score, the PD grading score, the values of Vs and E were significantly higher in patients with SS than in non-SS group (SS vs non-SS; US staging score 2.10±1.07 vs 0.86±0.99, p<0.0001, PD grading score 1.17±0.83 vs 0.23±0.61, p<0.0001, Vs 1.75±0.34 vs 1.57±0.29m/s, p=0.02, E 9.64±4.02 vs 7.81±2.27kPa, p=0.04). However, there was no significant difference between non-SS and N/SS in early-stage SS by US staging score (N/SS vs non-SS; 0.95±0.89 vs 0.86±0.99) and PD grading score (N/SS vs non-SS; 0.40±0.15 vs 0.23±.061). In contrast, the values of Vs and E were highest in N/SS as compared with all groups, and were significantly higher in N/SS than in non-SS (N/SS vs non-SS; Vs 2.02±0.24 vs 1.57±0.29m/s, p<0.01, E 12.58±3.16 vs 7.81±2.27kPa, p<0.01).Conclusion:The present study demonstrated that although the tissue elasticity was decreased due to structural changes at the advanced stage, it increased due to inflammation and high viscosity in the SG at the subclinical SS with normal salivary flow comparing that in non-SS patients. The SWE may be a useful tool for the differential diagnosis between patients with non-SS and subclinical SS with normal salivary flow, which is difficult to distinguish by conventional B-mode US.Disclosure of Interests:None declared
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Takase Y, Doi H, Iwasaki T, Hashimoto M, Inaba R, Kozuki T, Taniguchi M, Tabuchi Y, Kitagori K, Akizuki S, Murakami K, Nakashima R, Yoshifuji H, Yamamoto W, Tanaka M, Ohmura K. THU0285 ANALYSIS OF THE RELATIONSHIP BETWEEN ORGAN DAMAGE AND QUALITY OF LIFE IN PATIENTS WITH SYSTEMIC LUPUS ERYTHEMATOSUS. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.3027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Systemic lupus erythematosus (SLE) is an autoimmune disease that can not only cause systemic symptoms, such as fever and arthritis, but can also damage important organs, such as those of the central nervous system and the kidneys. Prevention of irreversible organ damage is important for better prognosis [1]. Additionally, the importance of maintaining the quality of life (QOL) of patients has recently been emphasized. However, only a few studies have examined the relationship between irreversible organ damage and patient QOL.Objectives:To assess the relationship between organ damage and QOL, and to survey which organs have more significant effects on QOL.Methods:We conducted a questionnaire-based survey of 183 patients with SLE at Kyoto University Hospital from September to December 2019. We used the SLICC/ACR Damage Index (SDI) to evaluate organ damage [2]. The following five scales were employed to evaluate QOL: the physical (PCS) and mental component summary (MCS) of the Medical Outcome Study (MOS) 36-Item Short-Form Health Survey version 2.0 (SF-36v2) [3], health (HRQOL) and non-health-related QOL (N-HRQOL) of LupusPRO [4], and SLE Symptom Checklist (SSC) [5].Results:Linear regression analysis showed significant correlation between the SDI score and all QOL scales except for N-HRQOL, suggesting negative effects of organ damage on QOL (Table 1). Next, we analysed whether there was a significant difference in the SF-36 score between those who were positive and negative for each SDI item (41 in total), using the Wilcoxon rank sum test. Muscle atrophy or weakness (p= 3.0×10-10), osteoporosis with fracture or vertebral collapse (p= 9.7×10-8), claudication (p= 7.4×10-5), and cognitive impairment or major psychosis (p= 9.9×10-5) significantly correlated (p< 1.2×10-3) with PCS, and scarring chronic alopecia (p= 3.4×10-4) with MCS (Table 2). In addition, the five SDI items significantly correlated with the remaining three QOL scales (HRQOL, N-HRQOL, and SSC;p< 0.05).Table 1.Relationship between the SDI score and QOLSF-36LupusPROSSCPCSMCSHRQOLN-HRQOLp-value<2.0×10-161.7×10-32.2×10-110.231.9×10-8Table 2.Relationship between each SDI item and the SF-36 score (p< 1.2×10-3SDI itemPCS scorep-valuePositive(Median (IQR))Negative(Median (IQR))Muscle atrophy/weakness33 (19-45)50 (43-54)3.0×10-10Osteoporosis with fracture/vertebral collapse24 (12-32)49 (38-54)9.7×10-8Claudication31 (19-35)49 (38-54)7.4×10-5Cognitive impairment/psychosis27 (17-33)49 (38-54)9.9×10-5SDI itemMCS scorep-valuePositive(Median (IQR))Negative(Median (IQR))Scarring chronic alopecia42 (29-51)49 (39-54)3.4×10-4Conclusion:We demonstrated that organ damage has negative effects on patient QOL, indicating the importance of preventing irreversible organ damage for maintaining QOL. Moreover, muscle atrophy/weakness, osteoporosis with fracture/vertebral collapse, claudication, cognitive impairment/major psychosis, and scarring chronic alopecia significantly correlated with QOL deterioration, suggesting that these items should be examined with special care in clinical practice.References:[1]Lopez R, et al. Rheumatology (Oxford). 2012; 51:491-498.[2]Gladman D, et al. Arthritis Rheum. 1996; 39:363-369.[3]Fukuhara S, et al. J Clin Epidemiol. 1998; 51:1037-1044.[4]Inoue M, et al. Lupus. 2017; 26:849-856.[5]Grootscholten C, et al. Qual Life Res. 2003; 12:635–644.Disclosure of Interests:Yudai Takase: None declared, Hiroshi Doi: None declared, Takeshi Iwasaki: None declared, Motomu Hashimoto Grant/research support from: Bristol-Myers Squibb, Eisai, and Eli Lilly and Company., Speakers bureau: Bristol-Myers Squibb and Mitsubishi Tanabe Pharma., Ryuta Inaba: None declared, Tomohiro Kozuki: None declared, Masashi Taniguchi: None declared, Yuya Tabuchi Paid instructor for: Astellas Pharma, GlaxoSmithKline, Mitsubishi Tanabe Pharma, and Nippon Shinyaku., Speakers bureau: AbbVie, Janssen Pharmaceutical, Mitsubishi Tanabe Pharma, Nippon Shinyaku, and Novartis Pharma. (Outside the field of the present study.), Koji Kitagori: None declared, Syuji Akizuki: None declared, Kosaku Murakami Speakers bureau: AbbVie, Eisai, and Mitsubishi Tanabe Pharma., Ran Nakashima Grant/research support from: Takeda Pharmaceutical. (Outside the field of the present study.), Speakers bureau: Astellas Pharma, Medical & Biological Laboratories, AstraZeneca, and Boehringer Ingelheim. (Outside the field of the present study.), Hajime Yoshifuji Grant/research support from: Astellas Pharma. (Outside the field of the present study.), Speakers bureau: Chugai Pharmaceutical. (Outside the field of the present study.), Wataru Yamamoto: None declared, Masao Tanaka Grant/research support from: AbbVie, Asahi Kasei Pharma, Astellas Pharma, Ayumi Pharmaceutical, Chugai Pharmaceutical, Eisai, Mitsubishi Tanabe Pharma, Taisho Pharmaceutical, and UCB Japan., Speakers bureau: AbbVie, Asahi Kasei Pharma, Astellas Pharma, Bristol-Myers Squibb, Chugai Pharmaceutical, Eisai, Eli Lilly and Company, Janssen Pharmaceutical, Mitsubishi Tanabe Pharma, Novartis Pharma, Pfizer, Taisho Pharmaceutical, Takeda Pharmaceutical, and UCB Japan., Koichiro Ohmura Grant/research support from: Astellas Pharma, AYUMI Pharmaceutical, Chugai Pharmaceutical, Daiichi Sankyo, Eisai, Japan Blood Products Organization, Mitsubishi Tanabe Pharma, Nippon Kayaku, Nippon Shinyaku, Sanofi, and Takeda Pharmaceutical., Speakers bureau: AbbVie, Actelion Pharmaceuticals Japan, Asahi Kasei Pharma, AYUMI Pharmaceutical, Bristol-Myers Squibb, Chugai Pharmaceutical, Eisai, Eli Lilly and Company, GlaxoSmithKline, Janssen Pharmaceutical, Mitsubishi Tanabe Pharma, Novartis Pharma, and Sanofi.
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Kimura S, Iwasaki T, Shimizu K, Kanazawa T, Kawase H, Shioji N, Kuroe Y, Isoyama S, Morimatsu H. Evaluation of a point-of-care serum creatinine measurement device and the impact on diagnosis of acute kidney injury in pediatric cardiac patients: A retrospective, single center study. Health Sci Rep 2020; 3:e143. [PMID: 32166189 PMCID: PMC7060889 DOI: 10.1002/hsr2.143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 10/24/2019] [Accepted: 10/24/2019] [Indexed: 01/09/2023] Open
Abstract
Background and aims Agreement between measurements of creatinine concentrations using point‐of‐care (POC) devices and measurements conducted in a standard central laboratory is unclear for pediatric patients. Our objectives were (a) to assess the agreement for pediatric patients and (b) to compare the incidence of postoperative acute kidney injury (AKI) according to the two methods. Methods This retrospective, single‐center study included patients under 18 years of age who underwent cardiac surgery and who were admitted into the pediatric intensive care unit of a tertiary teaching hospital (Okayama University Hospital, Japan) from 2013 to 2017. The primary objective was to assess the correlation and the agreement between measurements of creatinine concentrations by a Radiometer blood gas analyzer (Cregas) and those conducted in a central laboratory (Crelab). The secondary objective was to compare the incidence of postoperative AKI between the two methods based on Kidney Disease Improving Global Outcomes (KDIGO) criteria. Results We analyzed the results of 1404 paired creatinine measurements from 498 patients, whose median age was 14 months old (interquartile range [IQR] 3, 49). The Pearson correlation coefficient of Cregas vs Crelab was 0.968 (95% confidence interval [CI], 0.965‐0.972, P < 0.001). The median bias between Cregas and Crelab was 0.02 (IQR ‐0.02, 0.05) mg/dL. While 199 patients (40.0%) were diagnosed as having postoperative AKI based on Crelab, 357 patients (71.7%) were diagnosed as having postoperative AKI based on Cregas (Kappa = 0.39, 95% CI, 0.33‐0.46). In a subgroup analysis of patients whose Cregas and Crelab were measured within 1 hour, similar percentage of patients were diagnosed as having postoperative AKI based on Cregas and Crelab (42.8% vs 46.0%; Kappa = 0.76, 95% CI, 0.68‐0.84). Conclusion There was an excellent correlation between Cregas and Crelab in pediatric patients. Although more patients were diagnosed as having postoperative AKI based on Cregas than based on Crelab, paired measurements with a short time gap showed good agreement on AKI diagnosis.
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Affiliation(s)
- Satoshi Kimura
- Department of Anesthesiology and Resuscitation Okayama University Hospital Okayama Japan
| | - Tatsuo Iwasaki
- Department of Anesthesiology and Resuscitation Okayama University Hospital Okayama Japan
| | - Kazuyoshi Shimizu
- Department of Anesthesiology and Resuscitation Okayama University Hospital Okayama Japan
| | - Tomoyuki Kanazawa
- Department of Anesthesiology and Resuscitation Okayama University Hospital Okayama Japan
| | - Hirokazu Kawase
- Department of Anesthesiology and Resuscitation Okayama University Hospital Okayama Japan
| | - Naohiro Shioji
- Department of Anesthesiology and Resuscitation Okayama University Hospital Okayama Japan
| | - Yasutoshi Kuroe
- Department of Anesthesiology and Resuscitation Okayama University Hospital Okayama Japan
| | - Satoshi Isoyama
- Department of Anesthesiology and Resuscitation Okayama University Hospital Okayama Japan
| | - Hiroshi Morimatsu
- Department of Anesthesiology and Resuscitation Okayama University Hospital Okayama Japan
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Yoon JS, Nishifuji K, Iwasaki T. Development of an in vitro submerged culture system to synthesize epidermal ceramides in canine keratinocytes. Res Vet Sci 2020; 130:48-51. [PMID: 32143083 DOI: 10.1016/j.rvsc.2020.02.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2019] [Revised: 12/31/2019] [Accepted: 02/18/2020] [Indexed: 12/30/2022]
Abstract
Ceramides (CERs) in the stratum corneum (SC) are known to play a crucial role in determining skin barrier function in dogs. We aimed to develop an in vitro culture system that synthesized epidermal CER classes to better understand the synthesis of CER classes in canine SC-. Canine keratinocyte cells (MSCEK) at appropriate confluency were incubated with high Ca2+ (1.8 mM CaCl2) supplemented serum-free medium. Eight days post Ca2+ application, the surface of cultured MSCEK was broadly stained with anti-loricrin antibody implying that the keratinocytes had stratified into stratum granulosum. MSCEK cells synthesized heterogenous epidermal CERs, similar to those seen during the stratification of canine keratinocytes. CER fractions obtained from MSCEK cells were comparable to those from canine SC, including CER[EOS] (combination of ω-hydroxy fatty acids and sphingosines), CER[NP] (combination of non-hydroxy fatty acids and phytosphingosines), and CER[EOP] (combination of ω-hydroxy fatty acids and phytosphingosines), all of which are lowered in the SC during canine atopic dermatitis. Thus, the present study provides a simple culture system as a tool for in-depth analysis of CER production in canine keratinocytes.
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Affiliation(s)
- J S Yoon
- Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan.
| | - K Nishifuji
- Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan
| | - T Iwasaki
- Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan
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25
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Matsuo Y, Kumakura H, Shirakura T, Ichikawa K, Funada R, Yagi H, Iwasaki T, Ichikawa S, Kurabayashi M. P1956Geriatric nutritional risk index as predictor for long-term survival and cardiovascular or limb events in peripheral arterial disease patients. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.0703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
The geriatric nutritional risk index (GNRI) is a simple tool to assess the nutritional risk and associated with mortality. However, there are no reports focusing GNRI in peripheral artery disease (PAD) patients.
Purpose
The purpose of this study was to examine the effects of GNRI for long-term survival, cardiovascular and limb events in PAD patients.
Methods
A prospective cohort study was performed in 1219 PAD patients. Baseline GNRI was calculated from serum albumin level and body-mass-index. The patients were divided into four groups by GNRI level (G1: >98; G2: 92–98; G3: 82–91; G4: <82). The endpoints were overall survival (OS) and freedom from major adverse cardiovascular and limb events (MACE and MACLE).
Results
The median follow-up was 73 months. There were 626 deaths (51.4%) during follow-up. The rate of cardiovascular death among dead was 51.3%. The OS rates markedly depended on GNRI level (p<0.01). The 5-year OS rates were G1: 80.8%, G2: 62.0%, G3: 40.0%, G4: 23.3%, respectively. In multivariate analyses, GNRI, age, low ankle brachial pressure index (ABI), low estimated glomerular filtration rate (eGFR), and high C-reactive protein (CRP) levels were independent factors associated with OS (<0.05). GNRI, age, low ABI, diabetes mellitus, coronary artery disease, lower eGFR and higher CRP levels were associated with MACE and MACLE (p<0.05, respectively). Besides, statins improved OS, MACE, and MACLE (<0.01, respectively).
Conclusions
GNRI was an independent predictor for OS, MACE, and MACLE in PAD patients. Furthermore,statins improved OS, MACE and MACLE in patients with PAD.
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Affiliation(s)
- Y Matsuo
- Kitakanto Cardiovascular Hospital, Cardiology, Shibukawa, Japan
| | - H Kumakura
- Kitakanto Cardiovascular Hospital, Cardiology, Shibukawa, Japan
| | - T Shirakura
- Kitakanto Cardiovascular Hospital, Cardiology, Shibukawa, Japan
| | - K Ichikawa
- Kitakanto Cardiovascular Hospital, Cardiology, Shibukawa, Japan
| | - R Funada
- Kitakanto Cardiovascular Hospital, Cardiology, Shibukawa, Japan
| | - H Yagi
- Kitakanto Cardiovascular Hospital, Cardiology, Shibukawa, Japan
| | - T Iwasaki
- Kitakanto Cardiovascular Hospital, Cardiology, Shibukawa, Japan
| | - S Ichikawa
- Kitakanto Cardiovascular Hospital, Cardiology, Shibukawa, Japan
| | - M Kurabayashi
- Gunma University School of Medicine, Department of Cardiovascular Medicine, Maebashi, Japan
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26
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Kimura S, Iwasaki T, Shimizu K, Kanazawa T, Kawase H, Shioji N, Kuroe Y, Matsuoka Y, Isoyama S, Morimatsu H. Hyperchloremia Is Not an Independent Risk Factor for Postoperative Acute Kidney Injury in Pediatric Cardiac Patients. J Cardiothorac Vasc Anesth 2019; 33:1939-1945. [DOI: 10.1053/j.jvca.2018.12.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Indexed: 11/11/2022]
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Shioji N, Kanazawa T, Iwasaki T, Shimizu K, Suemori T, Kuroe Y, Morimatsu H. High-flow Nasal Cannula Versus Noninvasive ventilation for Postextubation Acute Respiratory Failure after Pediatric Cardiac Surgery. Acta Med Okayama 2019; 73:15-20. [PMID: 30820050 DOI: 10.18926/amo/56454] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
We compared the reintubation rate in children who received high-flow nasal cannula (HFNC) therapy to the rate in children who received noninvasive ventilation (NIV) therapy for acute respiratory failure (ARF) after cardiac surgery. This was a retrospective analysis of 35 children who received HFNC therapy for ARF after cardiac surgery in 2014-2015 (the HFNC group). We selected 35 children who had received NIV therapy for ARF after cardiac surgery in 2009-2012 as a control group. The matching parameters were body weight and risk adjustment for congenital heart surgery category 1. The reintubation rate within 48 h in the HFNC group tended to be lower than that in the NIV group (3% vs. 17%, p=0.06). The reintubation rate within 28 days was significantly lower in the HFNC group compared to the NIV group (3% vs. 26%, p=0.04). The HFNC group's ICU stays were significantly shorter than those of the NIV group: 10 (IQR: 7-17) days vs. 17 (11-32) days, p=0.009. HFNC therapy might be associated with a reduced reintubation rate in children with ARF after cardiac surgery.
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Affiliation(s)
- Naohiro Shioji
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, Okayama 700-8558, Japan
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28
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Kinouchi M, Iwasaki T, Koyama M, Obata M, Homma M. Image Gallery: Cutaneous hydrophilic polymer emboli following thoracic endovascular aortic repair. Br J Dermatol 2019; 180:e182. [DOI: 10.1111/bjd.17758] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- M. Kinouchi
- Department of Dermatology Asahikawa Red Cross Hospital AsahikawaJapan
| | - T. Iwasaki
- Department of Dermatology Asahikawa Medical University Asahikawa Japan
| | - M. Koyama
- Department of Cardiovascular Surgery Asahikawa Red Cross Hospital AsahikawaJapan
| | - M. Obata
- Department of Diagnostic Pathology Asahikawa Red Cross Hospital Asahikawa Japan
| | - M. Homma
- Department of Dermatology Asahikawa Medical University Asahikawa Japan
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29
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Fukushima Y, Baba K, Kondo M, Kurita Y, Eitoku T, Shigemitsu Y, Hirai K, Tsukahara H, Iwasaki T, Kasahara S, Kotani Y, Otsuki S. Balloon atrial septostomy in hypoplastic left heart syndrome with restrictive atrial septum. Pediatr Int 2019; 61:339-344. [PMID: 30339315 DOI: 10.1111/ped.13716] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 09/12/2018] [Accepted: 10/12/2018] [Indexed: 12/01/2022]
Abstract
BACKGROUND Rashkind balloon atrial septostomy (BAS) can be challenging in infants with hypoplastic left heart syndrome (HLHS) and small atrial septal defect (ASD). METHODS We retrospectively reviewed all infants with HLHS who underwent surgery and BAS between January 2006 and December 2015. The infants were divided into three groups: no BAS; catheter BAS; and open AS. Infants who underwent catheter BAS were divided into two groups based on atrial septal anatomy: standard and complex. RESULTS Of the 70 patients, 57 (81%) underwent Glenn surgery. Subsequently, a significant difference in survival was observed: 86% (44/51), 91% (10/11), and 25% (2/8) in the no BAS, catheter BAS, and open AS groups, respectively (P = 0.0002). No significant difference was seen between the no BAS and the catheter BAS groups (P = 1.0). In the 56 patients who underwent catheterization after surgery, no intergroup differences in mean pulmonary artery pressure, pulmonary vascular resistance, or pulmonary artery index were found. We classified catheter BAS into standard (n = 5) and complex (n = 5) based on ASD location, and septum thickness. All patients in the standard group underwent complete Rashkind BAS, but in the complex group, only one patient underwent complete Rashkind BAS, with the remaining requiring initial static BAS (P = 0.048). Following septostomy, ASD size, ASD flow, and percutaneous oxygen saturation (SpO2 ) were not significantly different between the two groups. CONCLUSIONS Catheter BAS is effective in infants with HLHS and a restrictive atrial septum. Infants with standard or complex atrial septum can achieve equivalent outcomes despite more patients often requiring static BAS.
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Affiliation(s)
- Yosuke Fukushima
- Department of Pediatric Cardiology, Okayama University Hospital, Kita, Okayama, Japan
| | - Kenji Baba
- Department of Pediatric Cardiology, Okayama University Hospital, Kita, Okayama, Japan
| | - Maiko Kondo
- Department of Pediatric Cardiology, Okayama University Hospital, Kita, Okayama, Japan
| | - Yoshihiko Kurita
- Department of Pediatric Cardiology, Okayama University Hospital, Kita, Okayama, Japan
| | - Takahiro Eitoku
- Department of Pediatric Cardiology, Okayama University Hospital, Kita, Okayama, Japan
| | - Yusuke Shigemitsu
- Department of Pediatric Cardiology, Okayama University Hospital, Kita, Okayama, Japan
| | - Kenta Hirai
- Department of Pediatric Cardiology, Okayama University Hospital, Kita, Okayama, Japan
| | - Hirokazu Tsukahara
- Department of Pediatrics, Okayama University Hospital, Kita, Okayama, Japan
| | - Tatsuo Iwasaki
- Department of Pediatric Anesthesiology, Okayama University Hospital, Kita, Okayama, Japan
| | - Shingo Kasahara
- Department of Cardiovascular Surgery, Okayama University Hospital, Kita, Okayama, Japan
| | - Yasuhiro Kotani
- Department of Cardiovascular Surgery, Okayama University Hospital, Kita, Okayama, Japan
| | - Shinichi Otsuki
- Department of Pediatric Cardiology, Okayama University Hospital, Kita, Okayama, Japan
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30
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Masuyama Y, Mizuno K, Ozawa H, Ishiwata H, Hatano Y, Ohshima T, Iwasaki T, Hatano M. Extending coherence time of macro-scale diamond magnetometer by dynamical decoupling with coplanar waveguide resonator. Rev Sci Instrum 2018; 89:125007. [PMID: 30599584 DOI: 10.1063/1.5047078] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Accepted: 11/15/2018] [Indexed: 06/09/2023]
Abstract
Ultimate sensitivity for quantum magnetometry using nitrogen-vacancy (NV) centers in a diamond is limited by a number of NV centers and coherence time. Microwave irradiation with a high and homogeneous power density for a large detection volume is necessary to achieve a highly sensitive magnetometer. Here, we demonstrate a microwave resonator to enhance the power density of the microwave field and an optical system with a detection volume of 1.4 × 10-3 mm3. The strong microwave field enables us to achieve 48 ns Rabi oscillation which is sufficiently faster than the phase relaxation time of NV centers. This system combined with a decoupling pulse sequence, XY16, extends the spin coherence time (T 2) up to 27 times longer than that with a spin echo method. Consequently, we obtained an AC magnetic field sensitivity of 10.8 pt/ Hz using the dynamical decoupling pulse sequence.
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Affiliation(s)
- Y Masuyama
- Department of Physical Electronics, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552, Japan
| | - K Mizuno
- Department of Physical Electronics, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552, Japan
| | - H Ozawa
- Department of Physical Electronics, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552, Japan
| | - H Ishiwata
- Department of Physical Electronics, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Y Hatano
- Institute for Protein Research, Osaka University, Yamadaoka, Suita, Osaka 5650871, Japan
| | - T Ohshima
- Takasaki Advanced Radiation Research Institute, National Institutes for Quantum and Radiological Science and Technology, Takasaki, Gunma 370-1292, Japan
| | - T Iwasaki
- Department of Physical Electronics, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552, Japan
| | - M Hatano
- Department of Physical Electronics, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552, Japan
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31
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Sawada A, Iwasaki T, Takagi M. Fine‐scale spatial genetic structure in the Minami‐daito Island population of the Ryukyu scops owl
Otus elegan
s. J Zool (1987) 2018. [DOI: 10.1111/jzo.12634] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- A. Sawada
- Department of Natural History Science Graduate School of Science Hokkaido University Sapporo Japan
| | - T. Iwasaki
- Department of Biology and Geosciences Graduate School of Science Osaka City University Osaka Japan
| | - M. Takagi
- Department of Natural History Science Graduate School of Science Hokkaido University Sapporo Japan
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32
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Brandenburg F, Nagumo R, Saichi K, Tahara K, Iwasaki T, Hatano M, Jelezko F, Igarashi R, Yatsui T. Improving the electron spin properties of nitrogen-vacancy centres in nanodiamonds by near-field etching. Sci Rep 2018; 8:15847. [PMID: 30367130 PMCID: PMC6203751 DOI: 10.1038/s41598-018-34158-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 10/10/2018] [Indexed: 11/20/2022] Open
Abstract
The nitrogen-vacancy (NV) centre in diamond is a promising candidate for quantum computing applications and magnetic sensing applications, because it is an atomic-scale defect with stable coherence time (T2) and reliable accessibility at room temperature. We demonstrated a method for improving the NV spin properties (the full width half maximum (FWHM) value of the magnetic resonance spectrum and T2) through a near-field (NF) etching method under ambient conditions. The NF etching method, based on a He-Cd ultraviolet laser (325 nm), which is longer than the absorption edge of the oxygen molecule, enabled selective removal of defects on the nanodiamond surface. We observed a decrease in the FWHM value close to 15% and an increase in T2 close to 25%. Since our technique can be easily reproduced, a wide range of NV centre applications could be improved, especially magnetic sensing applications. Our results are especially attractive, because they have been obtained under ambient conditions and only require a light source with wavelength slightly above the O2 absorption edge.
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Grants
- 18H01470 Ministry of Education, Culture, Sports, Science, and Technology (MEXT)
- 17H01262 Ministry of Education, Culture, Sports, Science, and Technology (MEXT)
- 26286022 Ministry of Education, Culture, Sports, Science, and Technology (MEXT)
- 12024046 Ministry of Education, Culture, Sports, Science, and Technology (MEXT)
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Affiliation(s)
- F Brandenburg
- School of Engineering, University of Tokyo, Tokyo, Japan
| | - R Nagumo
- School of Engineering, University of Tokyo, Tokyo, Japan
| | - K Saichi
- School of Engineering, University of Tokyo, Tokyo, Japan
| | - K Tahara
- Tokyo Institute of Technology, Tokyo, Japan
| | - T Iwasaki
- Tokyo Institute of Technology, Tokyo, Japan
| | - M Hatano
- Tokyo Institute of Technology, Tokyo, Japan
| | - F Jelezko
- Institute of Quantum Optics, Ulm University, Ulm, Germany
| | - R Igarashi
- QST Future Laboratory, National Institutes for Quantum and Radiological Science and Technology (QST), Chiba, Japan
- National Institute of Radiological Sciences (NIRS), National Institutes for Quantum and Radiological Science and Technology (QST), Chiba, Japan
| | - T Yatsui
- School of Engineering, University of Tokyo, Tokyo, Japan.
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33
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Kimura S, Iwasaki T, Oe K, Shimizu K, Suemori T, Kanazawa T, Shioji N, Kuroe Y, Matsuoka Y, Morimatsu H. High Ionized Calcium Concentration Is Associated With Prolonged Length of Stay in the Intensive Care Unit for Postoperative Pediatric Cardiac Patients. J Cardiothorac Vasc Anesth 2018; 32:1667-1675. [DOI: 10.1053/j.jvca.2017.11.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Indexed: 11/11/2022]
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Shioji N, Kanazawa T, Iwasaki T, Shimizu K, Suemori T, Kawase H, Kimura S, Kuroe Y, Morimatsu H. Incidence of Pulmonary Complications with the Prophylactic Use of High-flow Nasal Cannula after Pediatric Cardiac Surgery: Prophylactic HFNC Study Protocol. Acta Med Okayama 2018; 72:193-196. [PMID: 29674770 DOI: 10.18926/amo/55862] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
We will investigate the incidence of postoperative pulmonary complications (PPCs) with the prophylactic use of a high-flow nasal cannula (HFNC) after pediatric cardiac surgery. Children < 48 months old with congenital heart disease for whom cardiac surgery is planned will be included. The HFNC procedure will be commenced just after extubation, at a flow rate of 2 L/kg/min with adequate oxygen concentration to achieve target oxygen saturation ≥ 94%. This study will reveal the prevalence of PPCs after pediatric cardiac surgery with the prophylactic use of HFNC.
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Affiliation(s)
- Naohiro Shioji
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, Okayama 700-8558, Japan
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35
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Iwasaki T, Sato H, Suga H, Takemoto Y, Inada E, Saitoh I, Kakuno K, Kanomi R, Yamasaki Y. Influence of pharyngeal airway respiration pressure on Class II mandibular retrusion in children: A computational fluid dynamics study of inspiration and expiration. Orthod Craniofac Res 2018; 20:95-101. [PMID: 28414873 DOI: 10.1111/ocr.12145] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/23/2017] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To examine the influence of negative pressure of the pharyngeal airway on mandibular retraction during inspiration in children with nasal obstruction using the computational fluid dynamics (CFD) method. SETTING AND SAMPLE POPULATION Sixty-two children were divided into Classes I, II (mandibular retrusion) and III (mandibular protrusion) malocclusion groups. MATERIAL AND METHODS Cone-beam computed tomography data were used to reconstruct three-dimensional shapes of the nasal and pharyngeal airways. Airflow pressure was simulated using CFD to calculate nasal resistance and pharyngeal airway pressure during inspiration and expiration. RESULTS Nasal resistance of the Class II group was significantly higher than that of the other two groups, and oropharyngeal airway inspiration pressure in the Class II (-247.64 Pa) group was larger than that in the Class I (-43.51 Pa) and Class III (-31.81 Pa) groups (P<.001). The oropharyngeal airway inspiration-expiration pressure difference in the Class II (-27.38 Pa) group was larger than that in the Class I (-5.17 Pa) and Class III (0.68 Pa) groups (P=.006). CONCLUSION Large negative inspiratory pharyngeal airway pressure due to nasal obstruction in children with Class II malocclusion may be related to their retrognathia.
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Affiliation(s)
- T Iwasaki
- Department of Pediatric Dentistry, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima-City, Japan
| | - H Sato
- Department of Pediatric Dentistry, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima-City, Japan
| | - H Suga
- Department of Pediatric Dentistry, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima-City, Japan
| | - Y Takemoto
- Department of Pediatric Dentistry, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima-City, Japan
| | - E Inada
- Department of Pediatric Dentistry, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima-City, Japan
| | - I Saitoh
- Division of Pediatric Dentistry, Graduate School of Medical and Dental Sciences, Niigata University, Niigata-City, Japan
| | - K Kakuno
- Kanomi Orthodontic Office, Himeji-City, Japan
| | - R Kanomi
- Kanomi Orthodontic Office, Himeji-City, Japan
| | - Y Yamasaki
- Department of Pediatric Dentistry, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima-City, Japan
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36
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Otsuki J, Iwasaki T, Katada Y, Tsutsumi Y, Tsuji Y, Furuhashi K, Kokeguchi S, Shiotani M. A higher incidence of cleavage failure in oocytes containing smooth endoplasmic reticulum clusters. J Assist Reprod Genet 2018; 35:899-905. [PMID: 29357025 DOI: 10.1007/s10815-018-1119-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 01/05/2018] [Indexed: 11/29/2022] Open
Abstract
PURPOSE In human oocytes, sERCs are one of the dysmorphic phenotypes that have been reported. Significantly reduced pregnancy rates and a comparatively higher number of abnormities in live births appear to be associated with the presence of sERCs in oocytes. However, some reports have shown that healthy babies can be born, without any reduced pregnancy rates, from oocytes observed to contain sERCs. Thus, the clinical and scientific significance of oocytes that harbor sERCs remains controversial. METHODS The presence of sERCs was evaluated using a time-lapse system while studying the dynamic changes within oocytes and embryos. Logistic regression analysis was carried out to explore the independent variables for meiotic and mitotic cleavage failure.. RESULTS The incidence of mitotic cleavage failure and the incidence of meiotic cleavage failure during the second polar body extrusion in oocytes with sERCs were found to be significantly higher than that in oocytes without sERCs. Furthermore, ICSI was found to have a greater frequency of meiotic failure than IVF. CONCLUSIONS In cases of cleavage failure, an embryonic cell could become tetraploid and may induce abnormal chromosomal configurations. Some cells exposed to cleavage failure may become trophectoderm cells and form placental abnormalities. Even if they develop into trophectoderm cells, the ICM can be susceptible to further cleavage failure and may in turn cause further aneuploidy. For these reasons, it is important to monitor pregnancies and births derived from oocytes that contained sERCs.
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Affiliation(s)
- Junko Otsuki
- Hanabusa Women's Clinic, Sannomiya Central Building 2,7,8F 1-1-2 Sannomiya, Chuo, Kobe, Hyogo, 650-0021, Japan. .,Assisted Reproductive Technology Center, Okayama University, 1-1-1 Tsushimanaka, Kita, Okayama, Okayama, 700-0082, Japan.
| | - T Iwasaki
- Hanabusa Women's Clinic, Sannomiya Central Building 2,7,8F 1-1-2 Sannomiya, Chuo, Kobe, Hyogo, 650-0021, Japan
| | - Y Katada
- Hanabusa Women's Clinic, Sannomiya Central Building 2,7,8F 1-1-2 Sannomiya, Chuo, Kobe, Hyogo, 650-0021, Japan
| | - Y Tsutsumi
- Hanabusa Women's Clinic, Sannomiya Central Building 2,7,8F 1-1-2 Sannomiya, Chuo, Kobe, Hyogo, 650-0021, Japan
| | - Y Tsuji
- Hanabusa Women's Clinic, Sannomiya Central Building 2,7,8F 1-1-2 Sannomiya, Chuo, Kobe, Hyogo, 650-0021, Japan
| | - K Furuhashi
- Hanabusa Women's Clinic, Sannomiya Central Building 2,7,8F 1-1-2 Sannomiya, Chuo, Kobe, Hyogo, 650-0021, Japan
| | - S Kokeguchi
- Hanabusa Women's Clinic, Sannomiya Central Building 2,7,8F 1-1-2 Sannomiya, Chuo, Kobe, Hyogo, 650-0021, Japan
| | - M Shiotani
- Hanabusa Women's Clinic, Sannomiya Central Building 2,7,8F 1-1-2 Sannomiya, Chuo, Kobe, Hyogo, 650-0021, Japan
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Morimatsu H, Wiedermann C, Tani M, Kanazawa T, Suzuki S, Matsusaki T, Shimizu K, Toda Y, Iwasaki T, Morita K, Egi M. Non-overt disseminated intravascular coagulation scoring for critically ill patients: The impact of antithrombin levels. Thromb Haemost 2017. [DOI: 10.1160/th08-07-0448] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
SummaryValidation of a scoring algorithm for non-overt disseminated intravascular coagulation (DIC) proposed by the International Society on Thrombosis and Haemostasis (ISTH) is still incomplete. It was the objective of this study to assess the impact of including AT to non-overt DIC scoring on the predictability for intensive care unit (ICU) death and the later development of overt-DIC defined by the Japanese Ministry of Health and Welfare (JMHW) or the ISTH. We performed a retrospective observational study conducted in 364 patients in critical care. Coagulation parameters obtained daily for DIC screening were utilised for scoring. There were 194 and 196 patients scored as positive non-overt DIC with and without AT, respectively; diagnostic agreement between the two was 78%. As compared with patients without non-overt DIC, these non-overt DIC patients had significantly higher mortality. In 37 ICU non-survivors, positive non-overt DIC scoring with AT preceded ICU death by a median of 6.8 days, which was significantly earlier as compared with a median of 5.4 days for non-overt DIC without AT (p=0.022). In patients who developed overt-DIC after admission, the time period from positive non-overt DIC to positive overt-DIC was significantly longer when AT was utilised (overt-DIC ISTH; 1.3 days vs. 0.1 days, p=0.004, overt-DIC JMHW; 2.5 days vs. 2.0 days, p=0.04, with AT vs. without AT, respectively). Non-overt DIC scoring predicted a high risk of death in critically ill patients. When information on AT levels was included, non-overt DIC scoring was found to predict development of overt-DIC significantly earlier than non-overt DIC scoring without AT.
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Maniwa T, Shintani Y, Okami J, Ohta M, Takeuchi Y, Takami K, Yokouchi H, Kurokawa E, Kanzaki R, Sakamaki Y, Shiono H, Iwasaki T, Nishioka K, Kodama K, Okumura M. MA 17.04 Initial Surgery in Patients with Clinical N2 Non-Small Cell Lung Cancer: A Multi-Institution Retrospective Study. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Jingami N, Uemura K, Asada M, Kuzuya A, Yamada S, Ishikawa M, Kawahara T, Iwasaki T, Atuchi M, Takahashi R, Kinoshita A. Predicting dynamics of cerebrospinal fluid biomarkers by tap test in idiopathic normal pressure hydrocephalus. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.1874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Akamatsu S, Otsuki J, Fujii M, Enatsu N, Tsuji Y, Iwasaki T, Shiotani M. The poor quality of women’s sleep negatively influences fertilization rates in assisted reproductive technology. Fertil Steril 2017. [DOI: 10.1016/j.fertnstert.2017.07.366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Shioji N, Iwasaki T, Kanazawa T, Shimizu K, Suemori T, Sugimoto K, Kuroe Y, Morimatsu H. Physiological impact of high-flow nasal cannula therapy on postextubation acute respiratory failure after pediatric cardiac surgery: a prospective observational study. J Intensive Care 2017; 5:35. [PMID: 28603625 PMCID: PMC5461773 DOI: 10.1186/s40560-017-0226-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2016] [Accepted: 05/18/2017] [Indexed: 01/19/2023] Open
Abstract
Background Reintubation after pediatric cardiac surgery is associated with a high rate of mortality. Therefore, adequate respiratory support for postextubation acute respiratory failure (ARF) is important. However, little is known about the physiological impact of high-flow nasal cannula (HFNC) therapy on ARF after pediatric cardiac surgery. Our working hypothesis was that HFNC therapy for postextubation ARF after pediatric cardiac surgery improves hemodynamic and respiratory parameters. Methods This was a prospective observational study conducted at a single university hospital. Children less than 48 months of age who had postextubation ARF after cardiac surgery were included in this study. HFNC therapy was started immediately after diagnosis of postextubation ARF. Data obtained just before starting HFNC therapy were used for pre-HFNC analysis, and data obtained 1 h after starting HFNC therapy were used for post-HFNC analysis. We compared hemodynamic and respiratory parameters between pre-HFNC and post-HFNC periods. The Wilcoxon signed-rank test was used to analyze these indices. Results Twenty children were included in this study. The median age and body weight were 4.5 (2.3–14.0) months and 4.3 (3.1–7.1) kg, respectively. Respiratory rate (RR) significantly decreased from 43.5 (32.0–54.8) to 28.5 (21.0–40.5) breaths per minute (p = 0.0008) 1 h after the start of HFNC therapy. Systolic blood pressure also decreased from 87.5 (77.8–103.5) to 76.0 (70.3–85.0) mmHg (p = 0.003). Oxygen saturation, partial pressure of arterial carbon dioxide, heart rate, and lactate showed no remarkable changes. There was no adverse event caused by HFNC therapy. Conclusions HFNC therapy improves the RR of patients who have postextubation ARF after pediatric cardiac surgery without any adverse events.
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Affiliation(s)
- Naohiro Shioji
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1 Shikatachou, Kitaku, Okayama, Okayama 700-0914 Japan
| | - Tatsuo Iwasaki
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1 Shikatachou, Kitaku, Okayama, Okayama 700-0914 Japan
| | - Tomoyuki Kanazawa
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1 Shikatachou, Kitaku, Okayama, Okayama 700-0914 Japan
| | - Kazuyoshi Shimizu
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1 Shikatachou, Kitaku, Okayama, Okayama 700-0914 Japan
| | - Tomohiko Suemori
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1 Shikatachou, Kitaku, Okayama, Okayama 700-0914 Japan
| | - Kentaro Sugimoto
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1 Shikatachou, Kitaku, Okayama, Okayama 700-0914 Japan
| | - Yasutoshi Kuroe
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1 Shikatachou, Kitaku, Okayama, Okayama 700-0914 Japan
| | - Hiroshi Morimatsu
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1 Shikatachou, Kitaku, Okayama, Okayama 700-0914 Japan
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Kanazawa T, Egi M, Toda Y, Shimizu K, Sugimoto K, Iwasaki T, Morimatsu H. Perioperative Brain Natriuretic Peptide in Pediatric Cardiac Surgery Patients: Its Association With Postoperative Outcomes. J Cardiothorac Vasc Anesth 2017; 31:537-542. [DOI: 10.1053/j.jvca.2016.09.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Indexed: 11/11/2022]
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Ishigami S, Ohtsuki S, Eitoku T, Ousaka D, Kondo M, Kurita Y, Hirai K, Fukushima Y, Baba K, Goto T, Horio N, Kobayashi J, Kuroko Y, Kotani Y, Arai S, Iwasaki T, Sato S, Kasahara S, Sano S, Oh H. Intracoronary Cardiac Progenitor Cells in Single Ventricle Physiology: The PERSEUS (Cardiac Progenitor Cell Infusion to Treat Univentricular Heart Disease) Randomized Phase 2 Trial. Circ Res 2017; 120:1162-1173. [PMID: 28052915 DOI: 10.1161/circresaha.116.310253] [Citation(s) in RCA: 107] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 12/29/2016] [Accepted: 01/03/2017] [Indexed: 12/15/2022]
Abstract
RATIONALE Patients with single ventricle physiology are at high risk of mortality resulting from ventricular dysfunction. The preliminary results of the phase 1 trial showed that cardiosphere-derived cells (CDCs) may be effective against congenital heart failure. OBJECTIVE To determine whether intracoronary delivery of autologous CDCs improves cardiac function in patients with single ventricle physiology. METHODS AND RESULTS We conducted a phase 2 randomized controlled study to assign in a 1:1 ratio 41 patients who had single ventricle physiology undergoing stage 2 or 3 palliation to receive intracoronary infusion of CDCs 4 to 9 weeks after surgery or staged reconstruction alone (study A). The primary outcome measure was to assess improvement in cardiac function at 3-month follow-up. Four months after palliation, controls had an alternative option to receive late CDC infusion on request (study B). Secondary outcomes included ventricular function, heart failure status, somatic growth, and health-related quality of life after a 12-month observation. At 3 months, the absolute changes in ventricular function were significantly greater in the CDC-treated group than in the controls (+6.4% [SD, 5.5] versus +1.3% [SD, 3.7]; P=0.003). In study B, a late CDC infusion in 17 controls increased the ventricular function at 3 months compared with that at baseline (38.8% [SD, 7.7] versus 34.8% [SD, 7.4]; P<0.0001). At 1 year, overall CDC infusion was associated with improved ventricular function (41.4% [SD, 6.6] versus 35.0% [SD, 8.2]; P<0.0001) and volumes (P<0.001), somatic growth (P<0.0001) with increased trophic factors production, such as insulin-like growth factor-1 and hepatocyte growth factor, and quality of life, along with a reduced heart failure status (P<0.0001) and cardiac fibrosis (P=0.014) relative to baseline. CONCLUSIONS Intracoronary infusion of CDCs after staged palliation favorably affected cardiac function by reverse remodeling in patients with single ventricle physiology. This impact may improve heart failure status, somatic growth, and quality of life in patients and reduce parenting stress for their families. CLINICAL TRIAL REGISTRATION URL: http://www.clinicaltrials.gov. Unique identifier: NCT01829750.
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Affiliation(s)
- Shuta Ishigami
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Shinichi Ohtsuki
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Takahiro Eitoku
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Daiki Ousaka
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Maiko Kondo
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Yoshihiko Kurita
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Kenta Hirai
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Yosuke Fukushima
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Kenji Baba
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Takuya Goto
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Naohiro Horio
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Junko Kobayashi
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Yosuke Kuroko
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Yasuhiro Kotani
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Sadahiko Arai
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Tatsuo Iwasaki
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Shuhei Sato
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Shingo Kasahara
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Shunji Sano
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.)
| | - Hidemasa Oh
- From the Departments of Cardiovascular Surgery (S.I., D.O., T.G., N.H., J.K., Y. Kuroko, Y. Kotani, S.A., S.K., S. Sano), Pediatrics (S.O., T.E., M.K., Y. Kurita, K.H., Y.F., K.B.), Anesthesiology and Resuscitology (T.I.), and Radiology (S. Sato), Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan; and Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama University Hospital, Japan (H.O.).
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Tsuji Y, Iwasaki T, Ogata H, Matsumoto Y, Kokeguchi S, Matsumura K, Hyon SH, Shiotani M. The Beneficial Effect of Carboxylated Poly-L-Lysine on Cryosurvival of Vitrified Early Stage Embryos. Cryo Letters 2017; 38:1-6. [PMID: 28376134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
BACKGROUND In the vitrification of embryos, dimethyl sulfoxide (DMSO) is one of the most effective cryoprotectant agents (CPAs), but cytotoxic effects of DMSO on embryos are well known. Carboxylated poly-L-lysine (CPLL) has been identified as an effective cryoprotectant of cultured cell lines and mammalian oocytes. OBJECTIVE To evaluate the efficacy and safety of CPLL as a CPA for developmental stage embryos. MATERIALS AND METHODS Mouse 8-cell embryos and blastocysts were vitrified with ethylene glycol (EG), DMSO/EG, or CPLL/EG and the developmental potency assessed in vitro. RESULTS In 8-cell embryos, there were no differences between the levels of survival and developmental progress into the blastocyst stage in each solution. At the blastocyst stage, the proportion of dead cells was significantly higher in the EG compared with other solutions. In contrast, there were no differences between the DMSO/EG and CPLL/EG. CONCLUSION These results indicate that CPLL can be used as a replacement for DMSO in the vitrification of mouse embryos.
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Affiliation(s)
- Y Tsuji
- Hanabusa Women's Clinic, Kobe city, Hyogo, Japan.
| | - T Iwasaki
- Hanabusa Women's Clinic, Kobe city, Hyogo, Japan
| | - H Ogata
- Hanabusa Women's Clinic, Kobe city, Hyogo, Japan
| | - Y Matsumoto
- Hanabusa Women's Clinic, Kobe city, Hyogo, Japan
| | - S Kokeguchi
- Hanabusa Women's Clinic, Kobe city, Hyogo, Japan
| | - K Matsumura
- School of Materials Science, Japan Advanced Institute of Science and Technology, Nomi, Ishikawa, Japan
| | - S H Hyon
- Center for Fiber and Textile Science Kyoto Institute of Technology (KIT), Kyoto Fushimi-ku, Kyoto, Japan
| | - M Shiotani
- Hanabusa Women's Clinic, Kobe city, Hyogo, Japan
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Shiozaki K, Morimatsu H, Matsusaki T, Iwasaki T. Observational Study to Assess and Predict Serious Adverse Events after Major Surgery. Acta Med Okayama 2016; 70:461-467. [PMID: 28003671 DOI: 10.18926/amo/54809] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Many patients suffer from postoperative serious adverse events (SAEs). Here we sought to determine the incidence of SAEs, assess the accuracy of currently used scoring systems in predicting postoperative SAEs, and determine whether a combination of scoring systems would better predict postoperative SAEs. We prospectively evaluated patients who underwent major surgery. We calculated 4 scores: American Society of Anesthesiologists physical status (ASA-PS) score, the Charlson Score, the POSSUM (Physiological and Operative Severity Score for the enUmeration of Mortality and morbidity) score, and the Surgical Apgar Score (SAS). We assessed the occurrence of SAEs. We assessed the association between each score and SAEs. We combined these scoring systems to find the best combination to predict the occurrence of SAEs. Among 284 patients, 43 suffered SAEs. All scoring systems could predict SAEs. However, their predictive power was not high (the area under the receiver operating characteristic curves [AUROC] 0.6-0.7). A combination of the ASA-PS score and the SAS was the most predictive of postoperative SAEs (AUROC 0.714). The incidence of postoperative SAEs was 15.1 . The combination of the ASA-PS score and the SAS may be a useful tool for predicting postoperative serious adverse events after major surgery.
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Affiliation(s)
- Kyoko Shiozaki
- Department of Anesthesiology and Resuscitology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
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Ogino H, Fujimichi Y, Sasaki M, Hamada N, Iwasaki T, Yoshida K, Hattori T. Quantitative assessment of provability of radiation-related cancers considering unavoidable existence of unadjusted risk factors. J Radiol Prot 2016; 36:865-884. [PMID: 27739409 DOI: 10.1088/0952-4746/36/4/865] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The attribution of stochastic effects to exposure to ionizing radiation has been qualitatively discussed by introducing two distinct concepts of provability and probability. This study aims to develop a method of quantitatively assessing the provability of radiation-related cancers. To this end, the 'minimum provable dose' (MPD) was developed and applied to actual cancer mortality in Japan. The background lifetime risk of cancer mortality was calculated for the esophagus, stomach, colon, liver, lungs, skin, breasts, ovaries, bladder, and bone marrow as well as the age-specific risk coefficients reproducing those given in the 2007 Recommendations of the International Commission on Radiological Protection (ICRP). Comparing the relative ratio of MPDs, which was defined herein as the 'provability index' (PI), we quantitatively ranked radiation-related cancers for different tissues and organs predicated on provability for ages of 10, 30, 50, and 0-85+ years at exposure. We discuss the radiological protection of male emergency workers focusing on cancers highly prioritized according to the ranking (i.e. colon, bone marrow, and bladder). The present study proposed the system to quantitatively evaluate the level of radiological protection taking into account the variations of the background cancer risk on the provability of radiation-related cancers.
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Affiliation(s)
- H Ogino
- Radiation Safety Research Center, Nuclear Technology Research Laboratory, Central Research Institute of Electric Power Industry, 2-11-1, Iwado Kita, Komae-shi, Tokyo 201-8511, Japan
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Hashimoto N, Uchiyama S, Kitano M, Nakazawa T, Iwasaki T, Hashimoto T. THU0348 Assessment of Submandibular Gland Ultrasonography in Early-Stage Sjögren's Syndrome. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.1469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Yokoyama Y, Iwasaki T, Satake A, Shibasaki S, Karasaki M, Moriya N, Kitano S, Matsui K, Sano H. FRI0061 Involvement of Regulatory T Cells and Micrornas in Regulation of Collagen-Induced Arthritis in Mice Treated with IL-2/anti-IL-2 Immune Complexes. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.3086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Kobayashi Y, Iwasaki T. Silica-coating of nitrogen-doped titanium oxide particles and their electrical conductivity. ADV POWDER TECHNOL 2016. [DOI: 10.1016/j.apt.2015.10.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Kawase H, Egi M, Kanazawa T, Shimizu K, Toda Y, Iwasaki T, Morita K. Storage duration of transfused red blood cells is not significantly associated with postoperative adverse events in pediatric cardiac surgery patients. Transfus Apher Sci 2016; 54:111-6. [PMID: 26856639 DOI: 10.1016/j.transci.2016.01.027] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 11/29/2015] [Accepted: 01/20/2016] [Indexed: 01/08/2023]
Abstract
The aim of this study was to evaluate the association of storage duration of transfused red blood cells with the risk of postoperative serious adverse events in pediatric cardiac surgery patients. We studied 517 patients and found that 22 patients (4.3%) had at least one serious adverse event. The maximum and mean storage duration of transfused red blood cells did not differ significantly between patients with and without serious adverse events (maximum, p = 0.89; mean, p = 0.81). In our study of pediatric cardiac surgery patients, the storage duration of transfused red blood cells was not significantly associated with the risk of serious adverse events.
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Affiliation(s)
- Hirokazu Kawase
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1 Shikata-cho, Kita-ku, Okayama City, Okayama 700-8558, Japan
| | - Moritoki Egi
- Department of Anesthesiology, Kobe University Hospital, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe City, Hyogo 650-0017, Japan.
| | - Tomoyuki Kanazawa
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1 Shikata-cho, Kita-ku, Okayama City, Okayama 700-8558, Japan
| | - Kazuyoshi Shimizu
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1 Shikata-cho, Kita-ku, Okayama City, Okayama 700-8558, Japan
| | - Yuichiro Toda
- Department of Anesthesiology and Intensive Care Medicine, Kawasaki Medical School, 577 Matsushima, Kurashiki City, Okayama 701-0192, Japan
| | - Tatsuo Iwasaki
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1 Shikata-cho, Kita-ku, Okayama City, Okayama 700-8558, Japan
| | - Kiyoshi Morita
- Department of Anesthesiology and Resuscitology, Okayama University Hospital, 2-5-1 Shikata-cho, Kita-ku, Okayama City, Okayama 700-8558, Japan
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