Nobuyasu Komasawa

Summary

Affiliation: Hyogo College of Medicine
Country: Japan

Publications

  1. doi Comparison of air-Q(®) and Soft Seal(®) laryngeal mask for airway management by novice doctors during infant chest compression: a manikin study
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo 663 8501, Japan
    Resuscitation 83:365-8. 2012
  2. doi Comparison of tracheal intubation by the Macintosh laryngoscope and Pentax-AWS (Airway Scope) during chest compression: a manikin study
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo, 663 8501, Japan
    J Anesth 24:306-8. 2010
  3. doi Validation of the Pentax-AWS Airwayscope utility as an intubation device during cardiopulmonary resuscitation on the ground
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo, 663 8501, Japan
    J Anesth 24:582-6. 2010
  4. doi Evaluation of tracheal intubation in several positions by the Pentax-AWS Airway Scope: a manikin study
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo 663 8501, Japan
    J Anesth 24:908-12. 2010
  5. doi Comparison of Pentax-AWS Airwayscope video laryngoscope, Airtraq optic laryngoscope, and Macintosh laryngoscope during cardiopulmonary resuscitation under cervical stabilization: a manikin study
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, 1 1 Mukogawa cho, Nishinomiya, Hyogo, 663 8501, Japan
    J Anesth 25:898-903. 2011
  6. doi Comparison of optic laryngoscope Airtraq(®) and Miller laryngoscope for tracheal intubation during infant cardiopulmonary resuscitation
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo 663 8501, Japan
    Resuscitation 82:736-9. 2011
  7. doi Comparison of Laryngeal Mask Supreme® and Soft Seal® for airway management in several positions
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo 663 8501, Japan
    J Anesth 25:535-9. 2011
  8. doi Utility of the Pentax-AWS Airwayscope and Macintosh laryngoscope for airway management during chest compressions in 27° left-lateral tilt: a manikin simulation study of maternal cardiopulmonary resuscitation
    Hanako Kohama
    Division of Intensive Care, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo, 663 8501, Japan
    J Anesth 27:671-5. 2013
  9. doi Comparison of Supreme(®) and Soft Seal(®) laryngeal masks for airway management during cardiopulmonary resuscitation in novice doctors: a manikin study
    Hanako Kohama
    Department of Anesthesiology, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo 663 8501, Japan
    J Anesth 25:98-103. 2011
  10. doi Comparison of Pentax-AWS Airwayscope, Airtraq and Miller laryngoscope for tracheal intubation by novice doctors during infant cardiopulmonary resuscitation simulation: a randomized crossover trial
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo, 663 8501, Japan
    J Anesth 27:778-80. 2013

Collaborators

  • Takuro Sanuki
  • Toshiaki Minami
  • Ryusuke Ueki
  • Hanako Kohama
  • Yoshiroh Kaminoh
  • Shin ichi Nishi
  • Takeshi Ueno
  • Ryosuke Mihara
  • Sayuri Matsunami
  • Shunsuke Fujiwara
  • Daisuke Okada
  • Haruki Kido
  • Yu Miyazaki
  • Fumihiro Ohchi
  • Atsushi Fujiwara
  • Takahiko Kaneko
  • Noriyasu Yamamoto
  • Motoi Itani
  • Hajime Sato
  • Yukihiro Imajo
  • Nozomi Majima
  • Shinichi Tatsumi
  • Wataru Nishimura
  • Isao Nishihara
  • Yusuke Kusaka
  • Kaori Okamoto
  • Shinichiro Miyazaki
  • Kentaro Imagawa
  • Munetaka Hirose
  • Takashi Sugi
  • Kenta Nishimoto
  • Chikara Tashiro
  • Tsuneo Tatara
  • Aoi Samma
  • Masashi Nakagawa
  • Akari Fujii

Detail Information

Publications34

  1. doi Comparison of air-Q(®) and Soft Seal(®) laryngeal mask for airway management by novice doctors during infant chest compression: a manikin study
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo 663 8501, Japan
    Resuscitation 83:365-8. 2012
    ..We therefore compared the utility of the air-Q(®) LMA (air-Q) with that of the Soft Seal(®) LMA (Soft Seal) for infant CPR in an infant manikin...
  2. doi Comparison of tracheal intubation by the Macintosh laryngoscope and Pentax-AWS (Airway Scope) during chest compression: a manikin study
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo, 663 8501, Japan
    J Anesth 24:306-8. 2010
    ..Based on these results, we conclude that the use of the AWS may reduce the time needed to secure the airway during chest compression...
  3. doi Validation of the Pentax-AWS Airwayscope utility as an intubation device during cardiopulmonary resuscitation on the ground
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo, 663 8501, Japan
    J Anesth 24:582-6. 2010
    ..However, because most cardiopulmonary arrest happens "on the ground" in the real world, we compared the utility of the McL and the AWS during chest compression on the ground and on the bed...
  4. doi Evaluation of tracheal intubation in several positions by the Pentax-AWS Airway Scope: a manikin study
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo 663 8501, Japan
    J Anesth 24:908-12. 2010
    ..We hypothesized that the Pentax-AWS Airway Scope (AWS) may be useful for emergent tracheal intubation in such positions...
  5. doi Comparison of Pentax-AWS Airwayscope video laryngoscope, Airtraq optic laryngoscope, and Macintosh laryngoscope during cardiopulmonary resuscitation under cervical stabilization: a manikin study
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, 1 1 Mukogawa cho, Nishinomiya, Hyogo, 663 8501, Japan
    J Anesth 25:898-903. 2011
    ..We first evaluated ATQ utility during chest compression with or without cervical stabilization and then compared the AWS, ATQ, and Macintosh laryngoscope (McL) during chest compressions under cervical stabilization in a manikin...
  6. doi Comparison of optic laryngoscope Airtraq(®) and Miller laryngoscope for tracheal intubation during infant cardiopulmonary resuscitation
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo 663 8501, Japan
    Resuscitation 82:736-9. 2011
    ..We compared the utility of the Miller laryngoscope (Mil) with Airtraq (ATQ) during chest compression in an infant manikin...
  7. doi Comparison of Laryngeal Mask Supreme® and Soft Seal® for airway management in several positions
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo 663 8501, Japan
    J Anesth 25:535-9. 2011
    ....
  8. doi Utility of the Pentax-AWS Airwayscope and Macintosh laryngoscope for airway management during chest compressions in 27° left-lateral tilt: a manikin simulation study of maternal cardiopulmonary resuscitation
    Hanako Kohama
    Division of Intensive Care, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo, 663 8501, Japan
    J Anesth 27:671-5. 2013
    ..We examined the performance of the Pentax-AWS Airwayscope (AWS) and Macintosh laryngoscope (McL) for airway management during chest compressions on a 27° left-lateral tilt (27 LLT) operating table...
  9. doi Comparison of Supreme(®) and Soft Seal(®) laryngeal masks for airway management during cardiopulmonary resuscitation in novice doctors: a manikin study
    Hanako Kohama
    Department of Anesthesiology, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo 663 8501, Japan
    J Anesth 25:98-103. 2011
    ..We compared the utility of a newly developed LMA, the Supreme(®) (Supreme), with a conventional LMA, the Soft Seal(®) (Soft Seal)...
  10. doi Comparison of Pentax-AWS Airwayscope, Airtraq and Miller laryngoscope for tracheal intubation by novice doctors during infant cardiopulmonary resuscitation simulation: a randomized crossover trial
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo, 663 8501, Japan
    J Anesth 27:778-80. 2013
    ..The AWS-I is an effective device for endotracheal intubation during chest compressions in infant simulations managed by novice doctors...
  11. doi Addition of a video camera system improves the ease of Airtraq(®) tracheal intubation during chest compression
    Hanako Kohama
    Department of Anesthesiology, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo 663 8501, Japan
    J Anesth 26:296-8. 2012
    ..05), but not with the ATQ-V (without chest compression, 15.9 ± 5.8 s; with chest compression, 17.3 ± 5.3 s; P > 0.05). The ATQ video camera system improves the ease of tracheal intubation during chest compressions...
  12. doi Backboard insertion in the operating table increases chest compression depth: a manikin study
    Hajime Sato
    Division of Intensive Care Unit, Hyogo College of Medicine, Hyogo, Japan
    J Anesth 25:770-2. 2011
    ..6% ± 32.3%-81.8% ± 15.0%, P < 0.0001). Applying a backboard significantly increased CC depth during cardiopulmonary resuscitation of a manikin model on an operating table with a pressure-distributing mattress...
  13. ncbi [Application of air-Q laryngeal airway and gum elastic bougie in a case of anticipated difficult. Mask ventilation and tracheal intubation in a man with morbid obesity]
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, Nishinomiya 663 8501
    Masui 62:670-3. 2013
    ..5 mm tracheal tube. This case was a successful use of the air-Q under moderate sedation for airway management in the setting of anticipated difficult mask ventilation and tracheal intubation...
  14. ncbi [A case of awake intubation using the Pentax-AWS airwayscope in a patient with a difficult airway combined with severe hemorrhagic shock]
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, Nishinomiya 663 8501
    Masui 62:197-9. 2013
    ..The patient underwent awake intubation with the AWS under dexmedetomidine sedation and lidocaine spray for laryngotracheal anesthesia. The patient did not buck during intubation and hemodynamic changes were minimal...
  15. ncbi [Case of awake intubation in semi-sitting position for a patient with myasthenia gravis combined with cervical disc hernia utilizing Pentax-AWS Airwayscope]
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, Nishinomiya 663 8501
    Masui 60:84-7. 2011
    ..The patient did not buck during intubation and no hemodynamic change was observed...
  16. doi Tracheal Tube Position Shift During Infant Resuscitation by Chest Compression: A Simulation Comparison by Fixation Method and With or Without Cuff
    Takeshi Ueno
    Department of Anesthesiology, Osaka Medical College, Osaka, Japan
    J Emerg Med 50:601-6. 2016
    ..Tracheal tube placement during infant resuscitation is essential for definite airway protection. Accidental extubation due to tracheal tube displacement is a rare event, but it results in severe complications, especially in infants...
  17. doi Simulation analysis of three intubating supraglottic devices during infant chest compression
    Hanako Kohama
    Division of Intensive Care Unit, Hyogo College of Medicine, Hyogo, Japan
    Pediatr Int 57:180-2. 2015
    ..In contrast, the insertion time with i-gel was significantly extended in chest compression (P < 0.05). Air-Q and aura-i are more useful for airway management during chest compression than i-gel. ..
  18. doi Evaluation of the efficacy of six supraglottic devices for airway management in dark conditions: a crossover randomized simulation trial
    Fumihiro Ohchi
    Department of Anesthesiology, Osaka Medical College, Daigaku machi 2 7, Takatsuki, Osaka, 569 8686, Japan
    J Anesth 29:887-92. 2015
    ....
  19. pmc Comparison of Direct and Indirect Laryngoscopes in Vomitus and Hematemesis Settings: A Randomized Simulation Trial
    Ryosuke Mihara
    Department of Anesthesiology, Osaka Medical College, 2 7 Daigaku machi, Takatsuki, Osaka, Japan
    Biomed Res Int 2015:806243. 2015
    ....
  20. pmc Comparison of Pentax-AWS Airwayscope and Glidescope for Infant Tracheal Intubation by Anesthesiologists during Cardiopulmonary Arrest Simulation: A Randomized Crossover Trial
    Shunsuke Fujiwara
    Department of Anesthesiology, Osaka Medical College, Osaka 569 8686, Japan
    Biomed Res Int 2015:190163. 2015
    ..We compared the utility of the Pentax-AWS Airwayscope (AWS) with the Glidescope (GS) during chest compressions on an infant manikin...
  21. doi Comparison of the Miller Laryngoscope and Videolaryngoscope for Tracheal Intubation by Novice Doctors during Neonatal Cardiopulmonary Resuscitation: A Randomized Crossover Simulation Trial
    Nobuyasu Komasawa
    Department of Anesthesiology, Osaka Medical College, Osaka, Japan
    Am J Perinatol 32:809-14. 2015
    ....
  22. doi Evaluation of chest compression effect on airway management with air-Q, aura-i, i-gel, and Fastrack intubating supraglottic devices by novice physicians: a randomized crossover simulation study
    Nobuyasu Komasawa
    Department of Anesthesiology, Osaka Medical College, Daigaku machi 2 7, Takatsuki, Osaka, 569 8686, Japan
    J Anesth 28:676-80. 2014
    ....
  23. doi Effects of a simulation-based sedation training course on non-anesthesiologists' attitudes toward sedation and analgesia
    Nobuyasu Komasawa
    Department of Anesthesiology, Osaka Medical College, Daigaku machi 2 7, Takatsukishi, Osaka, 569 8686, Japan
    J Anesth 28:785-9. 2014
    ..As non-anesthesiologists experience several complications during sedation, SEDTC may be useful for the improvement of their attitude toward the safety management of sedation...
  24. ncbi [Anesthesia for tracheal metal stent management utilizing venovenous extracorporeal life support]
    Takahiko Kaneko
    Department of Anesthesiology, Hyogo College of Medicine, Nishinomiya 663 8501
    Masui 61:1269-72. 2012
    ..Oxygenation and carbon dioxide excretion were achieved uneventfully. VV-ECLS was considered useful for the management of subglottic difficult airway such as complex tracheal stenosis...
  25. doi Comparison of tube-guided and guideless videolaryngoscope for tracheal intubation during chest compression in a manikin: a randomized crossover trial
    Daisuke Okada
    Department of Anesthesiology, Osaka Medical College, Daigaku machi 2 7, Takatsuki, Osaka, 569 8686, Japan
    J Anesth 29:331-7. 2015
    ..We compared the utility of two videolaryngoscopes, the KingVISION(®) (KingV) with or without tube guide blade and Pentax-AWS Airwayscope(®) (AWS), which contain tube guide function, during chest compressions on an adult manikin...
  26. doi Muscle relaxant effects on insertion efficacy of the laryngeal mask ProSeal(®) in anesthetized patients: a prospective randomized controlled trial
    Atsushi Fujiwara
    Department of Anesthesiology, Osaka Medical College, Daigaku machi 2 7, Takatsuki, Osaka, 569 8686, Japan
    J Anesth 29:580-4. 2015
    ..We performed a randomized clinical trial to examine how insertion efficacy and sealing pressure of ProSeal are affected by muscle relaxant administration in anesthetized patients...
  27. doi Laryngoscopy facilitates successful i-gel insertion by novice doctors: a prospective randomized controlled trial
    Yu Miyazaki
    Department of Anesthesiology, Osaka Medical College, Daigaku machi 2 7, Takatsuki, Osaka, 569 8686, Japan
    J Anesth 29:654-9. 2015
    ..This study investigated the hypothesis that the efficacy of insertion of the supraglottic device i-gel(®) (i-gel) can be improved by laryngoscopy and can provide better sealing pressure in anesthetized patients by novice doctors...
  28. pmc Utility of a gum-elastic bougie for difficult airway management in infants: a simulation-based crossover analysis
    Nobuyasu Komasawa
    Department of Anesthesiology, Osaka Medical College, 2 7 Daigaku machi, Takatsuki, Osaka 569 8686, Japan
    Biomed Res Int 2015:617805. 2015
    ..We performed a simulation trial evaluating the utility of a tracheal tube introducer (gum-elastic bougie (GEB)) in a simulated, difficult infant airway model...
  29. doi Shifts in endotracheal tube position due to chest compressions: a simulation comparison by fixation method
    Nobuyasu Komasawa
    Department of Anesthesiology, Osaka Medical College, Osaka, Japan
    J Emerg Med 48:241-6. 2015
    ..Endotracheal tube placement during resuscitation is important for definite tracheal protection. Accidental extubation due to endotracheal tube displacement is a rare event that can result in severe complications...
  30. pmc Comparison of insertion of the modified i-gel airway for oral surgery with the LMA Flexible: a manikin study
    Takuro Sanuki
    Department of Anesthesiology, Osaka Dental University, Osaka, Japan
    Anesth Prog 61:145-9. 2014
    ..012). When used by an inexperienced operator, the modified i-gel™ airway is faster and has a higher success rate than the LMA Flexible, suggesting that it can be easily manipulated during insertion...
  31. pmc Utility of the Aintree Intubation Catheter in fiberoptic tracheal intubation through the three types of intubating supraglottic airways: a manikin simulation study
    Ryusuke Ueki
    Department of Anesthesiology, Hyogo College of Medicine, Mukogawa cho 1 1, Nishinomiya, Hyogo, 663 8501, Japan
    J Anesth 28:363-7. 2014
    ..The purpose of this study was to examine the utility of the Aintree Intubation Catheter (AIC) with three types of supraglottic airway devices for tracheal intubation (ISGAs) using a manikin...
  32. pmc Comparison of Pressure Changes by Head and Neck Position between High-Volume Low-Pressure and Taper-Shaped Cuffs: A Randomized Controlled Trial
    Nobuyasu Komasawa
    Department of Anesthesiology, Osaka Medical College, Daigaku machi 2 7, Takatsuki, Osaka 569 8686, Japan
    Biomed Res Int 2015:386080. 2015
    ..Our results highlight the potential for taper cuffs to prevent excessive cuff pressure increases with positional changes in the head and neck. This trial is registered with UMIN000016119. ..
  33. doi Evaluation of double-lumen endotracheal tube extubation force by extraction angle: a prospective randomized clinical trial
    Haruki Kido
    Department of Anesthesiology, Osaka Medical College, Osaka, Japan
    J Clin Anesth 29:40-5. 2016
    ..We performed a prospective randomized clinical trial comparing DLT extubation force based on 2 different extraction angles...
  34. ncbi [Case of tension pneumothorax associated with asthma attack during general anesthesia]
    Nobuyasu Komasawa
    Department of Anesthesiology, Hyogo College of Medicine, Nishinomiya 663 8501
    Masui 59:614-7. 2010
    ..She was extubated on postoperative day 1 without any neurological disorder. Hyperinflation of fragile alveoli by mechanical ventilation was likely a cause of tension pneumothorax...