Faculty Profiles - SUZUKI, Shogo

Papers - SUZUKI, Shogo

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Risk markers for postoperative reintubation of intensive care unit patients: A retrospective multicentre study of the National Intensive Care Registry Open Access

Masaki, H; Suzuki, S; Nakayama, N; Kobayashi, E; Fujii, A; Nishiwaki, K; Mizuno, M; Nakatochi, M

INTENSIVE AND CRITICAL CARE NURSING Vol. 87 page： 103956 2025.4

Language：English Publisher：Intensive and Critical Care Nursing

Objectives: To evaluate postoperative reintubation incidence and identify risk markers to expedite the identification of high-risk patients after ICU admission. Methods: We performed this retrospective multicentre study that included postoperative adult patients admitted to Japanese ICUs between April 2015 and March 2022 using the Japanese Intensive care PAtient Database (JIPAD). Data regarding the patients treated in included ICUs were accumulated by the JIPAD, which we received for research use. Logistic regression analysis with generalised estimating equations was used to estimate odds ratios (ORs) of 1-standard deviation increments and 95 % confidence intervals (CIs) for the association of each variable available within 24 h after ICU admissions with reintubation. Results: Among 13,219 admissions during the study period, 828 patients were postoperatively reintubated (incidence = 6.26 %, 95 % CI: 5.86–6.69). Maximum partial pressure of carbon dioxide (PaCO2), bilirubin, and blood urea nitrogen (adjusted OR = 1.138, 95 % CI: 1.055–1.228; adjusted OR = 1.101, 95 % CI: 1.018–1.191; and adjusted OR = 1.105, 95 % CI: 1.016–1.203, respectively) and body mass index (BMI) and minimum white blood cells counts (adjusted OR = 0.867, 95 % CI: 0.797–0.944; and adjusted OR = 0.878, 95 % CI: 0.815–0.946, respectively) were significantly associated with postoperative reintubation. Conclusions: Postoperative reintubation incidence in Japanese ICUs was estimated to be 6.26%. BMI, maximum PaCO2, clinical laboratory data reflecting surgical invasiveness, and immunosuppression may be risk markers for postoperative reintubation. Implications for clinical practice: Our study will help identify high-risk patients for postoperative reintubation early post-ICU admission, enabling early and focused nursing care to prevent reintubation, such as early mobilisation and ambulation.

DOI： 10.1016/j.iccn.2025.103956

Low molecular weight heparin-induced thrombocytopenia management during hemodialysis and cardiac surgery: a case report and literature review Open Access

Takada, S; Suzuki, S; Tamura, T

JA CLINICAL REPORTS Vol. 11 ( 1 ) page： 18 2025.3

Language：English Publisher：Ja Clinical Reports

Background: Heparin-induced thrombocytopenia (HIT) is a serious complication of heparin therapy, including low molecular weight heparins (LMWHs) like dalteparin. While LMWHs reduces the risk of HIT compared to unfractionated heparin, vigilance remains essential. Case presentation: An 82-year-old male with chronic kidney disease (CKD) developed HIT during hemodialysis anticoagulation with dalteparin, resulting in a platelet count of 17,000/µL and positive HIT antibodies. Dalteparin was replaced with nafamostat mesilate. Following confirmed HIT antibody seronegativity, elective aortic valve replacement was performed under cardiopulmonary bypass using heparin. Postoperative dialysis was managed using nafamostat mesilate, preventing HIT recurrence. His platelet count recovered after dalteparin replacement, and no recurrence of HIT was observed. Conclusions: Even LMWHs, such as dalteparin, pose a HIT risk, necessitating vigilant monitoring. Confirming HIT antibody seronegativity and appropriately timing surgery are critical for patients with a history of HIT. Proper postoperative follow-up and alternative anticoagulation strategies can prevent HIT recurrence.

DOI： 10.1186/s40981-025-00781-0

A Case of a One-Month-Old Infant Who Underwent Oral Intubation With Tongue Traction After Decompressing an Oral Cyst. Open Access

Sato T, Somura Y, Takakura M, Tamura T, Suzuki S

Cureus Vol. 17 ( 2 ) page： e79132 2025.2

Safe Sedation and Analgesia Management With Remifentanil in Pediatric ICU Patients: A Report of Two Cases. Open Access

Tamaki M, Hirai T, Fujii T, Suzuki S, Tamura T

Cureus Vol. 17 ( 2 ) page： e79435 2025.2

Prevention of central venous catheter occlusion by saline with or without heparin in intensive care unit after surgical intervention: a double-blind, randomized trial

Nakamoto M., Tamura T., Kobayashi E., Kawaguchi M., Matsuoka Y., Fujii A., Ando M., Kubo Y., Miyagawa Y., Inagaki T., Suzuki S., Nishiwaki K.

Nagoya Journal of Medical Science Vol. 87 ( 1 ) page： 51 - 59 2025

Publisher：Nagoya Journal of Medical Science

Heparinized saline is used to prevent catheter obstruction; however, it is associated with concerns regarding the incidence of heparin-induced thrombocytopenia and the accuracy of the blood test results. This study compared the impact of saline with and without heparin on central venous catheter occlusion rates in post-surgical intensive care unit patients using a prospective, double-blinded, randomized, controlled design. Patients aged 20–90 years planned to experience central venous catheter insertion and postoperative intensive care unit admission were enrolled and were randomly assigned to either the heparin group (administered normal saline with heparin) or the control group (administered normal saline alone), based on a 1:1 ratio. Nurses blinded to patient allocation performed the occlusion assessment (every 24 h). The Kaplan–Meier curve was used to assess the time to occlusion or removal of each catheter. Central venous catheter insertion results of 136 patients showed no significant variation in occlusion rates between the heparin and control groups within the first 3 days. There was no significant difference between normal saline with and without heparin in preventing central venous occlusion in the intensive care unit up to 3 days post-surgery. The results of this study suggest that it is not necessary to use normal saline with heparin in the management of central venous catheter occlusion, at least when moving from the operating room to the intensive care unit.

DOI： 10.18999/nagjms.87.1.51

Scopus

Effect of intensive insulin therapy on inflammatory response after cardiac surgery using bedside artificial pancreas: A propensity score-matched analysis Reviewed

Fujii, T; Hirai, T; Tamura, T; Suzuki, S; Nishiwaki, K

ARTIFICIAL ORGANS Vol. 47 ( 6 ) page： 982 - 989 2023.6

Language：English Publisher：Artificial Organs

Background: Perioperative hyperglycemia leads to poor postoperative clinical outcomes, including compromised immune function, cardiovascular events, and mortality. The optimal perioperative blood glucose levels during cardiac surgery remain unclear. A closed-loop glycemic control system (artificial pancreas, target blood glucose range:120–150 mg/dl) prevents postoperative inflammatory response more effectively than conventional insulin therapy (<200 mg/dl). However, the clinical effects of intensive insulin therapy with strict glycemic control (80–110 mg/dl) are controversial. This study aimed to determine whether intensive insulin therapy would further suppress postoperative inflammatory reactions. Methods: This study analyzed 262 patients who underwent cardiovascular surgery with cardiopulmonary bypass. The patients were divided into two groups according to their target blood glucose range: 80–110 mg/dl and 120–150 mg/dl. The primary outcome was the difference in the C-reactive protein levels between the two groups. Results: Propensity score matching resulted in 95 patients in each group based on their covariates. There was no difference in the postoperative maximum C-reactive protein levels between the two groups (14.81 ± 5.93 mg/dl vs. 14.34 ± 5.52 mg/dl; p = 0.571) following propensity score matching. Hypoglycemia did not occur during intensive insulin therapy. Conclusions: Intensive insulin therapy following cardiac surgery with cardiopulmonary bypass did not demonstrate significant advantages in the suppression of postoperative inflammatory reactions compared to that with mild glycemic control. However, intensive insulin therapy using an artificial pancreas was found to be safe, with no hypoglycemic events.

DOI： 10.1111/aor.14418

Web of Science

Scopus

PubMed

Accuracy of a noninvasive estimated continuous cardiac output measurement under different respiratory conditions: a prospective observational study Reviewed

Takakura, M; Fujii, T; Taniguchi, T; Suzuki, S; Nishiwaki, K

JOURNAL OF ANESTHESIA Vol. 37 ( 3 ) page： 394 - 400 2023.6

Language：English Publisher：Journal of Anesthesia

Purpose: The estimated continuous cardiac output (esCCO) system was recently developed as a noninvasive hemodynamic monitoring alternative to the thermodilution cardiac output (TDCO). However, the accuracy of continuous cardiac output measurements by the esCCO system compared to TDCO under different respiratory conditions remains unclear. This prospective study aimed to assess the clinical accuracy of the esCCO system by continuously measuring the esCCO and TDCO. Methods: Forty patients who had undergone cardiac surgery with a pulmonary artery catheter were enrolled. We compared the esCCO with TDCO from mechanical ventilation to spontaneous respiration through extubation. Patients undergoing cardiac pacing during esCCO measurement, those receiving treatment with an intra-aortic balloon pump, and those with measurement errors or missing data were excluded. In total, 23 patients were included. Agreement between the esCCO and TDCO measurements was evaluated using Bland–Altman analysis with a 20 min moving average of the esCCO. Results: The paired esCCO and TDCO measurements (939 points before extubation and 1112 points after extubation) were compared. The respective bias and standard deviation (SD) values were 0.13 L/min and 0.60 L/min before extubation, and − 0.48 L/min and 0.78 L/min after extubation. There was a significant difference in bias before and after extubation (P < 0.001); the SD before and after extubation was not significant (P = 0.315). The percentage errors were 25.1% before extubation and 29.6% after extubation, which is the criterion for acceptance of a new technique. Conclusion: The accuracy of the esCCO system is clinically acceptable to that of TDCO under mechanical ventilation and spontaneous respiration.

DOI： 10.1007/s00540-023-03176-6

Web of Science

Scopus

PubMed

Interference of a ventricular assist device with magnetic navigation during insertion of Sherlock 3CG (TM), a bedside peripherally inserted central catheter Reviewed

Takakura Masashi, Fujii Tasuku, Suzuki Shogo, Nishiwaki Kimitoshi

JOURNAL OF ARTIFICIAL ORGANS Vol. 25 ( 2 ) page： 105 - 109 2022.6

Language：English Publishing type：Research paper (scientific journal) Publisher：Journal of Artificial Organs

Recently, the Sherlock 3CG™ Tip Confirmation System, including a magnetic tracking system and an intracavitary electrocardiography guidance system, has been introduced for bedside peripherally inserted central catheter (PICC) insertion. Magnetic field sources interfere with the magnetic tracking system. Electromagnetic interference of the ventricular assist device (VAD) has already been reported with various devices but not on Sherlock 3CG™. We assessed the availability of the magnetic tracking system in patients with and without a VAD during Sherlock 3CG™ insertion and evaluated the rate of optimal PICC tip position. We retrospectively reviewed 99 patients who had undergone PICC insertion using Sherlock 3CG™ on the bedside at our institutional intensive care unit from February 2018 to December 2020. Patients were divided into groups with and without a VAD. The availability of magnetic navigation and the success rate of optimal catheter tip position in each group were assessed. Among 87 cases analyzed, there were 12 and 75 cases with a VAD and without a VAD, respectively. The availability of magnetic navigation during Sherlock 3CG™ insertion was significantly lower in the group with a VAD [4/12 (33%) with VAD vs. 72/75 (96%) without VAD, P < 0.001]. In addition, the rate of optimal PICC tip position was also significantly lower in the group with a VAD [6/12 (50%) vs. 63/75 (84%), P = 0.015] The VAD significantly led to magnetic tracking system failure due to its electromagnetic interference during Sherlock 3CG™ insertion and significantly reduced the success rate of PICC insertions in the optimal position.

DOI： 10.1007/s10047-021-01293-1

Web of Science

Scopus

PubMed

Lidocaine inhibits vascular endothelial growth factor-A-induced angiogenesis Reviewed

Suzuki Shogo, Mori Atsushi, Fukui Aya, Ema Yoshiaki, Nishiwaki Kimitoshi

JOURNAL OF ANESTHESIA 2020.7

Fibrinogen levels measured by the dry hematology method are lower than those measured by the Clauss method under a high concentration of heparin Reviewed

Suzuki Shogo, Tamura Takahiro, Hasegawa Kazuko, Maeda Sho, Mori Reona, Kainuma Motoshi, Adachi Yushi, Nishiwaki Kimitoshi

NAGOYA JOURNAL OF MEDICAL SCIENCE Vol. 81 ( 2 ) page： 259 - 267 2019.5

*Different effects of dibutyryl cAMP on monolayer permeability in human aortic and coronary arterial endothelial cells Reviewed

Nan, YS, Nan, Yong-Shan, Li, SY (Li, Shao-Yan, Kang, JL, Kang, Ji-Lon, Suzuki, S, Suzuki, Shogo, Ema, Y, Ema, Yoshiaki, Nishiwaki, K, Nishiwaki, Kimitosh

AFRICAN JOURNAL OF MICROBIOLOGY RESEARCH Vol. 5 ( 6 ) page： 897-903 2012.2

Effects of midazolam, diazepam, propofol and dexmedetomidine on endothelial cell proliferation and angiogenesis induced by VEGF Reviewed

Nan, YS; Li, SY; Kang, JL; Suzuki, S; Ema, ; Nishiwaki, K

AFRICAN JOURNAL OF MICROBIOLOGY RESEARCH Vol. 4 ( 23 ) page： 2549-2555 2010.12

集中治療室における経管投与で使用する薬剤の投与方法の標準化への試み Reviewed

稲垣孝行, 宮川泰宏, 中井剛, 鈴木章悟, 鈴木輝彦, 阪井祐介, 森智子, 梅村朋, 長尾能雅, 山田清文

日本臨床救急医学会雑誌 Vol. 26 ( 6 ) page： 694 - 702 2023.12

Hypopharyngeal Injury by Transesophageal Echocardiography During Cardiac Surgery

Aoki, Y; Tamura, T; Uchida, W; Morioka, H; Yamamoto, M; Yuhara, S; Nishio, N; Mutsuga, M; Furune, S; Suzuki, S; Nishiwaki, K

JOURNAL OF CARDIOTHORACIC AND VASCULAR ANESTHESIA Vol. 37 ( 10 ) page： 2027 - 2031 2023.10

Thromboelastographic evaluation after cardiac surgery optimizes transfusion requirements in the intensive care unit: a single-center retrospective cohort study using an inverse probability weighting method Reviewed

Tamura Takahiro, Suzuki Shogo, Fujii Tasuku, Hirai Takahiro, Imaizumi Takahiro, Kubo Yoko, Shibata Yasuyuki, Narita Yuji, Mutsuga Masato, Nishiwaki Kimitoshi

page： 1 - 9 2023.5

Successful perioperative management of extended right hemihepatectomy in a trisomy 18 infant with coarctation of the aorta after pulmonary artery banding Reviewed

Sato Takehito, Somura Yui, Takakura Masashi, Maeda Sho, Suzuki Shogo, Nishiwaki Kimitoshi

Japanese Journal of Reanimatology Vol. 41 ( 1 ) page： 38 - 39 2022.6

Surgical Site Infections and Inflammatory Reaction After Cardiac Surgery; Bedside Artificial Pancreas Versus Conventional Insulin Therapy: A Propensity Score-Matched Analysis.

Fujii T, Hirai T, Suzuki S, Nishiwaki K

Journal of cardiothoracic and vascular anesthesia 2021.5

Impact of Perioperative Steroid Administration in Patients Undergoing Major Hepatectomy with Extrahepatic Bile Duct Resection: A Randomized Controlled Trial Reviewed

Onoe Shunsuke, Yokoyama Yukihiro, Ebata Tomoki, Igami Tsuyoshi, Mizuno Takashi, Yamaguchi Junpei, Watanabe Nobuyuki, Suzuki Shogo, Nishiwaki Kimitoshi, Ando Masahiko, Nagino Masato

ANNALS OF SURGICAL ONCOLOGY 2020.6

血小板抗HLA抗体陽性症例においてランダムマッチ血小板輸血で血小板数の増加を認めた経験 Reviewed

森玲央那, 貝沼関志, 鈴木章悟, 西脇公俊

麻酔 Vol. 67 ( 6 ) page： 642-646 2018.6

[Comparison of Perioperative Outcomes for Esophageal Cancer: Thoracoscopic Versus Thoracotomic Esophagectomy]. Reviewed

Mori R, Suzuki S, Nishtwai K

Masui. The Japanese journal of anesthesiology Vol. 66 ( 3 ) page： 287-290 2017.3

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Papers - SUZUKI, Shogo