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  1. Article ; Online: Reply to letter to the editor: Inter-transverse process blocks: caution about difference in methods.

    Tanaka, Nobuhiro / Kadoya, Yuma / Suzuka, Takanori / Kawaguchi, Masahiko

    Anesthesia and pain medicine

    2024  Volume 19, Issue 1, Page(s) 68–69

    Language English
    Publishing date 2024-01-30
    Publishing country Korea (South)
    Document type Journal Article
    ISSN 2383-7977
    ISSN (online) 2383-7977
    DOI 10.17085/apm.23121
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Letter to the editor regarding 'Modified thoracoabdominal nerve block through perichondrial approach (M-TAPA): an anatomical study evaluating dye spread following simulated injection in soft embalmed Thiel cadaver'.

    Hirai, Natsuko / Tanaka, Nobuhiro / Suzuka, Takanori / Kadoya, Yuma / Kawaguchi, Masahiko

    Regional anesthesia and pain medicine

    2024  Volume 49, Issue 5, Page(s) 376–377

    MeSH term(s) Humans ; Nerve Block/methods ; Cadaver ; Coloring Agents/administration & dosage ; Embalming/methods
    Chemical Substances Coloring Agents
    Language English
    Publishing date 2024-05-07
    Publishing country England
    Document type Letter
    ZDB-ID 1425299-5
    ISSN 1532-8651 ; 1098-7339 ; 0146-521X
    ISSN (online) 1532-8651
    ISSN 1098-7339 ; 0146-521X
    DOI 10.1136/rapm-2023-104686
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Comparison of Quality of Recovery between Modified Thoracoabdominal Nerves Block through Perichondrial Approach versus Oblique Subcostal Transversus Abdominis Plane Block in Patients Undergoing Total Laparoscopic Hysterectomy: A Pilot Randomized Controlled Trial.

    Suzuka, Takanori / Tanaka, Nobuhiro / Kadoya, Yuma / Ida, Mitsuru / Iwata, Masato / Ozu, Naoki / Kawaguchi, Masahiko

    Journal of clinical medicine

    2024  Volume 13, Issue 3

    Abstract: Modified thoracoabdominal nerves block through a perichondrial approach (M-TAPA) provides a wide analgesic range. Herein, we examined the quality of recovery (QoR) of M-TAPA for total laparoscopic hysterectomy (TLH) compared with oblique subcostal ... ...

    Abstract Modified thoracoabdominal nerves block through a perichondrial approach (M-TAPA) provides a wide analgesic range. Herein, we examined the quality of recovery (QoR) of M-TAPA for total laparoscopic hysterectomy (TLH) compared with oblique subcostal transversus abdominis plane block (OSTAPB) and measured plasma levobupivacaine concentrations (PC
    Language English
    Publishing date 2024-01-25
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662592-1
    ISSN 2077-0383
    ISSN 2077-0383
    DOI 10.3390/jcm13030712
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Anterior Quadratus Lumborum Block and Quadriceps Strength: A Prospective Cohort Study.

    Kadoya, Yuma / Tanaka, Nobuhiro / Suzuka, Takanori / Yamanaka, Takayuki / Iwata, Masato / Ozu, Naoki / Kawaguchi, Masahiko

    Journal of clinical medicine

    2023  Volume 12, Issue 11

    Abstract: The decrease in quadriceps strength after anterior quadratus lumborum block (AQLB) has not been quantified. This prospective cohort study investigated the incidence of quadriceps weakness after AQLB. We enrolled patients undergoing robot-assisted partial ...

    Abstract The decrease in quadriceps strength after anterior quadratus lumborum block (AQLB) has not been quantified. This prospective cohort study investigated the incidence of quadriceps weakness after AQLB. We enrolled patients undergoing robot-assisted partial nephrectomy, and AQLB was performed at the L2 level with 30 mL of 0.375% ropivacaine. We evaluated each quadriceps' maximal voluntary isometric contraction using a handheld dynamometer preoperatively and postoperatively at 1 and 4 days. The incidence of muscle weakness was defined as a 25% reduction in muscle strength compared with the preoperative baseline, and "muscle weakness possibly caused by nerve block" was defined as a 25% reduction compared with the non-block side. We also assessed the numerical rating scale and quality of recovery-15 scores. Thirty participants were analyzed. The incidence of muscle weakness compared with preoperative baseline and the non-block side was 13.3% and 30.0%, respectively. Patients with a numerical rating scale ≥ 4 or quality of recovery-15 score < 122, which was classified as moderate or poor, had decreased muscle strength with relative risks of 1.75 and 2.33, respectively. All patients ambulated within 24 h after surgery. The incidence of quadriceps weakness possibly caused by nerve block was 13.3%; however, all patients could ambulate after 1 day.
    Language English
    Publishing date 2023-06-03
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662592-1
    ISSN 2077-0383
    ISSN 2077-0383
    DOI 10.3390/jcm12113837
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Bolus intertransverse process block and continuous erector spinae plane block for perioperative analgesic management of video-assisted thoracoscopic surgery - Three cases report.

    Yamamoto, Yuki / Tanaka, Nobuhiro / Kadoya, Yuma / Umehara, Miki / Suzuka, Takanori / Kawaguchi, Masahiko

    Anesthesia and pain medicine

    2023  Volume 18, Issue 2, Page(s) 198–203

    Abstract: Background: Common regional anesthesia approaches for video-assisted thoracoscopic surgery (VATS) include paravertebral block (PVB) and erector spinae plane block (ESPB). PVB is considered a deep nerve block which is contraindicated in antithrombotic ... ...

    Abstract Background: Common regional anesthesia approaches for video-assisted thoracoscopic surgery (VATS) include paravertebral block (PVB) and erector spinae plane block (ESPB). PVB is considered a deep nerve block which is contraindicated in antithrombotic therapy. ESPB is effective when administered as a bolus, as well as continuously. However, the recently proposed intertransverse process block (ITPB) ensures more effective diffusion of the local anesthetic into the paravertebral space.
    Case: We report cases of three patients who received bolus ITPB (costotransverse foramen block and mid-point transverse process-to-pleura block in one and two cases, respectively) combined with continuous ESPB when a deep nerve block could not be administered. Opioids were not required postoperatively, and all postoperative numerical rating scale scores (0-10) at rest were maintained below 4.
    Conclusions: The combination of bolus ITPB and continuous ESPB may be an alternative analgesic method when deep nerve blocks are contraindicated in VATS.
    Language English
    Publishing date 2023-04-28
    Publishing country Korea (South)
    Document type Case Reports
    ISSN 2383-7977
    ISSN (online) 2383-7977
    DOI 10.17085/apm.22250
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Anesthetic management of scapular Y-osteotomy using a combination of suprascapular nerve block and erector spinae plane block for Sprengel deformity associated with Klippel-Feil syndrome: a case report.

    Okada, Mizuho / Tanaka, Nobuhiro / Suzuka, Takanori / Kadoya, Yuma / Saisu, Takashi / Kawaguchi, Masahiko

    JA clinical reports

    2023  Volume 9, Issue 1, Page(s) 55

    Abstract: Background: Klippel-Feil syndrome (KFS) occurs in 1/40,000 individuals and is characterized by cervical fusion. Thirty percent of patients with KFS present with Sprengel deformity, leading to orthopedic problems and limited shoulder abduction. No ... ...

    Abstract Background: Klippel-Feil syndrome (KFS) occurs in 1/40,000 individuals and is characterized by cervical fusion. Thirty percent of patients with KFS present with Sprengel deformity, leading to orthopedic problems and limited shoulder abduction. No reports exist regarding anesthetic procedures for pediatric scapular osteotomies.
    Case presentation: We report a case of a 4-year-and-7-month-old boy (95.6 cm, 14.7 kg) who underwent left scapular osteotomy. At the age of 8 months, he also underwent a right lower lobectomy due to a congenital pulmonary airway malformation. We decided to use a combination of suprascapular nerve block (SSNB), erector spinae plane block (ESPB), and general anesthesia. He received regular acetaminophen administration and fentanyl 5-10 μg/hour intravenously until 20 h postoperatively and remained on ≤ 2/10 in the Wong-Baker Face Scale (0: no hurt; 10: hurts worst).
    Conclusion: The combination of SSNB and ESPB could be an option for perioperative analgesia for scapular osteotomies.
    Language English
    Publishing date 2023-08-29
    Publishing country Germany
    Document type Journal Article
    ISSN 2363-9024
    ISSN (online) 2363-9024
    DOI 10.1186/s40981-023-00647-3
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: A case of afterload mismatch associated with shivering leading to fetal hypoxia in a COVID-19 patient.

    Suzuka, Takanori / Naito, Yusuke / Uemura, Keiko / Ida, Mitsuru / Egawa, Junji / Kawaguchi, Masahiko

    JA clinical reports

    2022  Volume 8, Issue 1, Page(s) 51

    Abstract: Background: Fever and associated shivering are frequent symptoms in patients with coronavirus disease 2019 (COVID-19). High body temperature activates the immune system, which might be beneficial. However, shivering leads to high oxygen demand.: Case ... ...

    Abstract Background: Fever and associated shivering are frequent symptoms in patients with coronavirus disease 2019 (COVID-19). High body temperature activates the immune system, which might be beneficial. However, shivering leads to high oxygen demand.
    Case presentation: A 38-year-old man diagnosed with COVID-19 was transferred to our intensive care unit (ICU). His oxygen saturation (SpO2) level was approximately 92-95% and was managed with a high flow nasal cannula. Six hours after admission to the ICU, he started shivering, and his systolic blood pressure rose above 200 mmHg. Concomitantly, his SpO2 levels decreased rapidly. Mechanical ventilation was started, but oxygenation could not be maintained, requiring the establishment of extracorporeal membrane oxygenation (ECMO).
    Conclusions: COVID-19 is known to cause thrombosis in the pulmonary microvasculature at the early stage of the disease. Under these circumstances, caution should be paid since shivering may worsen the patient's condition.
    Language English
    Publishing date 2022-07-16
    Publishing country Germany
    Document type Journal Article
    ISSN 2363-9024
    ISSN (online) 2363-9024
    DOI 10.1186/s40981-022-00542-3
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Correction: A case of afterload mismatch associated with shivering leading to fatal hypoxia in a COVID-19 patient.

    Suzuka, Takanori / Naito, Yusuke / Uemura, Keiko / Ida, Mitsuru / Egawa, Junji / Kawaguchi, Masahiko

    JA clinical reports

    2022  Volume 8, Issue 1, Page(s) 57

    Language English
    Publishing date 2022-08-04
    Publishing country Germany
    Document type Published Erratum
    ISSN 2363-9024
    ISSN (online) 2363-9024
    DOI 10.1186/s40981-022-00548-x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Effect of NOciception Level-Directed analgesic management on Opioid usage in Robot-assisted laparoscopic radical prostatectomy (NOLDOR): study protocol for a single-centre single-blinded randomised controlled trial.

    Kadoya, Yuma / Tanaka, Nobuhiro / Suzuka, Takanori / Yamanaka, Takayuki / Ida, Mitsuru / Naito, Yusuke / Suzuki, Shota / Kasama, Shu / Ozu, Naoki / Kawaguchi, Masahiko

    BJA open

    2022  Volume 4, Page(s) 100112

    Abstract: Background: The nociception level (NOL) index discriminates noxious stimuli during surgery with high sensitivity and specificity. Although some studies have reported that a NOL-directed opioid protocol reduces intraoperative opioid consumption, one ... ...

    Abstract Background: The nociception level (NOL) index discriminates noxious stimuli during surgery with high sensitivity and specificity. Although some studies have reported that a NOL-directed opioid protocol reduces intraoperative opioid consumption, one study implied that it might cause an unintended increase in the stress response. Therefore, we designed a study to investigate the effects of the NOL-directed opioid protocol and measure inflammatory biomarkers.
    Methods: This single-centre RCT will enrol 54 patients undergoing robot-assisted laparoscopic radical prostatectomy. Eligible patients will be randomly allocated to receive (i) NOL-directed intraoperative opioid management (NOL group) or (ii) conventional intraoperative analgesic management (control group). The remifentanil infusion rate will be determined solely using the NOL index during surgery in the NOL group. The primary outcome will be the mean intraoperative remifentanil infusion rate. Secondary outcomes will include the plasma concentrations of three perioperative inflammatory biomarkers (interleukin-6, C-reactive protein, and cortisol) and the variation in the NOL index at the start of pneumoperitoneum and with postural changes.
    Conclusions: This study is expected to accumulate evidence on the effects of NOL-directed analgesic opioid protocol and provide additional evidence regarding the variability of stress responses and the character of the NOL index.
    Clinical trial registration: JRCTs052220034.
    Language English
    Publishing date 2022-11-21
    Publishing country England
    Document type Clinical Trial
    ISSN 2772-6096
    ISSN (online) 2772-6096
    DOI 10.1016/j.bjao.2022.100112
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  10. Article ; Online: Efficacy of modified thoracoabdominal nerves block through perichondrial approach in open gynecological surgery: a prospective observational pilot study and a cadaveric evaluation.

    Tanaka, Nobuhiro / Suzuka, Takanori / Kadoya, Yuma / Okamoto, Naoko / Sato, Mariko / Kawanishi, Hideaki / Azuma, Cho / Nishi, Mayumi / Kawaguchi, Masahiko

    BMC anesthesiology

    2022  Volume 22, Issue 1, Page(s) 107

    Abstract: Background: Modified thoracoabdominal nerves block through perichondrial approach (M-TAPA) was first described as a peripheral nerve block by Tulgar in 2019. This technique provides an analgesic effective range from Th7-11 with a single puncture per ... ...

    Abstract Background: Modified thoracoabdominal nerves block through perichondrial approach (M-TAPA) was first described as a peripheral nerve block by Tulgar in 2019. This technique provides an analgesic effective range from Th7-11 with a single puncture per side. Although the efficacy and effective duration of M-TAPA have been reported, further examination is required. Therefore, this study aimed to evaluate the analgesic range and effective duration of M-TAPA in open gynecologic surgery.
    Methods: Following approval, 10 adult female patients scheduled for open radical hysterectomy via a vertical incision or laparotomy using a midline incision from under the xiphoid process to the symphysis pubis were enrolled. The primary outcome was the number of anesthetized dermatomes at 2 and 24 h postoperatively. Secondary outcomes included numerical rating scale scores and the total amount of fentanyl used. Cadaveric evaluation was performed to assess the spread of the dye.
    Results: The median numbers (interquartile range) of anesthetized dermatomes at 2 and 24 h postoperatively were 6 (5-7) and 6.5 (5-7) in the anterior cutaneous branch area and 5 (4-7) and 7 (5-7) in the lateral cutaneous branch area, respectively. There was an 85% chance of simultaneously acquiring analgesia in areas innervated by Th8-11, including complete block in areas innervated by the anterior cutaneous branches of Th9-10. Cadaveric evaluation showed the spread of the dye in Th8-11.
    Conclusions: M-TAPA may have analgesic effects in the areas supplied by the anterior cutaneous branches of Th8-11.
    Trail registration: IRB approval (No.2700; registered on July 10, 2020) and registration (UMIN Clinical Trials Registry: UMIN000041137

    registered on July 17, 2020).
    MeSH term(s) Adult ; Analgesics ; Cadaver ; Female ; Gynecologic Surgical Procedures ; Humans ; Pain, Postoperative/prevention & control ; Pilot Projects ; Prospective Studies ; Ultrasonography, Interventional/methods
    Chemical Substances Analgesics
    Language English
    Publishing date 2022-04-15
    Publishing country England
    Document type Journal Article ; Observational Study ; Research Support, Non-U.S. Gov't
    ZDB-ID 2091252-3
    ISSN 1471-2253 ; 1471-2253
    ISSN (online) 1471-2253
    ISSN 1471-2253
    DOI 10.1186/s12871-022-01652-2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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