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  1. Article: Ultrasound-Guided Selective Glossopharyngeal Nerve Block for Severe Gag Reflex During Dental Treatment: A Report of Two Cases.

    Kojima, Yuki / Oiwa, Daisuke

    Cureus

    2024  Volume 16, Issue 2, Page(s) e54725

    Abstract: The ultrasound-guided selective glossopharyngeal nerve block (UGSGNB) has been developed as an approach to overcome the drawbacks of the conventional glossopharyngeal nerve block. The UGSGNB may be performed when a gag reflex occurs during dental ... ...

    Abstract The ultrasound-guided selective glossopharyngeal nerve block (UGSGNB) has been developed as an approach to overcome the drawbacks of the conventional glossopharyngeal nerve block. The UGSGNB may be performed when a gag reflex occurs during dental treatment. Case 1 involved a 67-year-old man with a medical history of cervical spondylosis and dilated cardiomyopathy. Dental treatment with conscious sedation and the UGSGNB was performed three times. Case 2 involved a 25-year-old woman who was scheduled for dental treatment under general anesthesia because of dental phobia and gagging. Because the patient experienced severe tooth pain and desired urgent treatment, anesthesia was induced with intravenous sedation and the UGSGNB. In both cases, treatments were completed without intraoperative gagging or any complications. Our observations indicate that the UGSGNB can suppress the gag reflex during dental treatment; it may allow surgeons to avoid inducing general anesthesia and deep sedation in patients with a severe gag reflex.
    Language English
    Publishing date 2024-02-22
    Publishing country United States
    Document type Case Reports
    ZDB-ID 2747273-5
    ISSN 2168-8184
    ISSN 2168-8184
    DOI 10.7759/cureus.54725
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Comparison of Pressure Control Ventilation and Palpation Methods to Protect the Endotracheal Tube Cuff During Tracheotomy: A Manikin Simulation Study.

    Kojima, Yuki / Murouchi, Takeshi / Asano, Kazuma / Hirabayashi, Kazuya

    Cureus

    2024  Volume 16, Issue 1, Page(s) e53214

    Abstract: Objective This study aims to evaluate and compare the suitability and safety of palpation and pressure control ventilation (PCV) methods for the accurate positioning of an endotracheal tube (ETT) cuff. Methods We conducted a pilot simulation randomized ... ...

    Abstract Objective This study aims to evaluate and compare the suitability and safety of palpation and pressure control ventilation (PCV) methods for the accurate positioning of an endotracheal tube (ETT) cuff. Methods We conducted a pilot simulation randomized crossover study using a medical manikin. Twenty junior resident physicians who had completed anesthesiology training participated in the study. Airway management was performed using a modified manikin designed to simulate palpation and PCV methods. Participants performed both methods in a randomized order. The primary outcome was the number of successful ETT placements. The secondary outcomes were procedure duration and the perceived difficulty of each procedure. Results Five successful procedures were observed in the palpation method group (PALG), while 19 were observed in the PCV method group (PCVG). The duration of the trial was 98 s (standard deviation [SD], 41) in the PALG and 93 s (SD, 49) in the PCVG. The visual analog scale score for difficulty encountered during the trial was 30 (SD, 21) in the PALG and 69 (SD, 19) in the PCVG. Conclusions Our findings suggest that the PCV method had a higher success rate than the palpation method. Thus, the PCV method may be more suitable for inexperienced physicians to perform the procedure with greater confidence.
    Language English
    Publishing date 2024-01-30
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2747273-5
    ISSN 2168-8184
    ISSN 2168-8184
    DOI 10.7759/cureus.53214
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Intraoperative Ultrasound-Guided Selective Glossopharyngeal Nerve Block for Post-tonsillectomy Analgesia: A Case Report.

    Sekiguchi, Masataka / Kojima, Yuki / Oue, Akihiro / Hirabayashi, Kazuya

    Cureus

    2024  Volume 16, Issue 3, Page(s) e56748

    Abstract: Tonsillectomy can lead to significant postoperative pain, which can impact the recovery process. Traditional analgesic approaches may entail risks due to medication use. Considering that the tonsils are innervated by the glossopharyngeal and maxillary ... ...

    Abstract Tonsillectomy can lead to significant postoperative pain, which can impact the recovery process. Traditional analgesic approaches may entail risks due to medication use. Considering that the tonsils are innervated by the glossopharyngeal and maxillary nerves, implementing glossopharyngeal and maxillary nerve blocks can provide analgesia. Ultrasound guidance may improve its effectiveness and safety. A woman in her 30s with recurrent tonsillitis underwent tonsillectomy under general anesthesia. After induction, we performed an ultrasound-guided selective glossopharyngeal nerve block and an ultrasound-guided maxillary nerve block with ropivacaine. No analgesics were required during the six-day hospitalization period. There were no complications from the nerve blocks such as dysphagia or upper airway obstruction. The findings from this case indicated that the ultrasound-guided selective glossopharyngeal nerve block and ultrasound-guided maxillary nerve block provided effective analgesia after tonsillectomy without complications.
    Language English
    Publishing date 2024-03-22
    Publishing country United States
    Document type Case Reports
    ZDB-ID 2747273-5
    ISSN 2168-8184
    ISSN 2168-8184
    DOI 10.7759/cureus.56748
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Asymmetric Synthesis of SCF

    Kojima, Yuki / Nishii, Yuji / Hirano, Koji

    Angewandte Chemie (International ed. in English)

    2024  , Page(s) e202403337

    Abstract: A synthetic method for preparation of optically active trifluoromethylthio ( ... ...

    Abstract A synthetic method for preparation of optically active trifluoromethylthio (SCF
    Language English
    Publishing date 2024-03-12
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 2011836-3
    ISSN 1521-3773 ; 1433-7851
    ISSN (online) 1521-3773
    ISSN 1433-7851
    DOI 10.1002/anie.202403337
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: A Method for Preventing Aerosols During Dental Treatment With an Oroscope.

    Kojima, Yuki / Sendo, Ryozo

    Cureus

    2022  Volume 14, Issue 3, Page(s) e22896

    Abstract: Dentists have a much higher risk of exposure to coronavirus disease (COVID-19) than other healthcare workers. The virus is transmitted primarily through respiratory droplets and close/direct contact. Aerosol propagation is also possible in the case of ... ...

    Abstract Dentists have a much higher risk of exposure to coronavirus disease (COVID-19) than other healthcare workers. The virus is transmitted primarily through respiratory droplets and close/direct contact. Aerosol propagation is also possible in the case of prolonged exposure to high concentrations in a relatively closed environment. In this report, we describe the use of an aerosol box model to prevent aerosol generation during dental procedures. This report serves to inform clinicians on the potential effectiveness of this stopgap measure in cases where aerosol-generating procedures are unavoidable and medical supplies and personal protective equipment are in short supply.
    Language English
    Publishing date 2022-03-06
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2747273-5
    ISSN 2168-8184
    ISSN 2168-8184
    DOI 10.7759/cureus.22896
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Maintaining Tooth Vitality With Super Minimally Invasive Pulp Therapy.

    Kojima, Yuki / Sendo, Ryozo

    Cureus

    2022  Volume 14, Issue 9, Page(s) e29712

    Abstract: In aging humans, tooth loss is a predictor of decreased longevity. Tooth loss is mainly caused by dental caries and periodontal disease. Pulpitis refers to inflammation of the dental pulp caused by bacterial infection secondary to dental caries. It is ... ...

    Abstract In aging humans, tooth loss is a predictor of decreased longevity. Tooth loss is mainly caused by dental caries and periodontal disease. Pulpitis refers to inflammation of the dental pulp caused by bacterial infection secondary to dental caries. It is accompanied by severe toothache and has infectious disease-associated pathophysiology. Pulpitis is mainly treated by pulpectomy, which is aimed at removing the infected dental pulp and controlling pain by removing nociceptive nerve fibers. However, teeth without dental pulp have a poor prognosis. In this report, we proposed a novel "super minimally invasive pulp" therapy for treating pulpitis without pulpectomy, which combines antibiotics, steroids, and ultrasound-guided trigeminal nerve block (UGTNB) to protect the dental pulp. UGTNB is used as an analgesic for severe pain, antibiotics for pulp infections, and steroids as antiinflammatory drugs. This novel therapy could improve the longevity of the tooth and thereby oral health.
    Language English
    Publishing date 2022-09-28
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2747273-5
    ISSN 2168-8184
    ISSN 2168-8184
    DOI 10.7759/cureus.29712
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: Neuromuscular Electrical Stimulation for Sialorrhea in an Elderly Woman With Parkinson's Disease.

    Kojima, Yuki / Sakaguchi, Yutaka

    Cureus

    2022  Volume 14, Issue 5, Page(s) e24871

    Abstract: Sialorrhea, a common symptom of Parkinson's disease (PD), is related to reduced oromotor control and autonomic dysfunction. However, neuromuscular electrical stimulation (NMES) helps improve overall swallowing function. We performed NMES for eight weeks ... ...

    Abstract Sialorrhea, a common symptom of Parkinson's disease (PD), is related to reduced oromotor control and autonomic dysfunction. However, neuromuscular electrical stimulation (NMES) helps improve overall swallowing function. We performed NMES for eight weeks in an 84-year-old woman with stage 5 PD and severe sialorrhea. The severity and frequency of drooling improved within one to three weeks of NMES. NMES can be used for patients who have lost the will to be rehabilitated or are unable to control an appropriate rehabilitation load themselves. It may also be useful for patients with multiple complications who are unable to commence new medications or injections.
    Language English
    Publishing date 2022-05-10
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2747273-5
    ISSN 2168-8184
    ISSN 2168-8184
    DOI 10.7759/cureus.24871
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: A Novel Pain Relief Approach for the Treatment of Multiple Dental Caries and Pulpitis.

    Kojima, Yuki / Sendo, Ryozo

    Cureus

    2022  Volume 14, Issue 1, Page(s) e21723

    Abstract: Anxiety and stress toward treatment can hamper treatment completion in patients with dental caries and pulpitis. Therefore, effective management of post-treatment pain is important because poor pain management can lead to patient dissatisfaction. ... ...

    Abstract Anxiety and stress toward treatment can hamper treatment completion in patients with dental caries and pulpitis. Therefore, effective management of post-treatment pain is important because poor pain management can lead to patient dissatisfaction. Ultrasound-guided nerve blocks provide good postoperative analgesia in maxillofacial surgeries. These surgeries can be performed under general or local anesthesia without complications. Here, we present the case of a patient with dental phobia who was successfully treated with these techniques. The patient was a 22-year-old woman with a history of manic-depressive illness who presented with 23 decayed teeth. She had previously undergone vital pulp therapy; however, post-treatment pain led to treatment-related stress, and the patient discontinued the dental treatment. She preferred the dental treatment to be completed with as little pain as possible and wanted to avoid a pulpectomy. The patient's history of heavy use of non-steroidal anti-inflammatory drugs (NSAIDs) made her resistant to NSAIDs. As a result, the analgesic effect of NSAIDs could not be expected. After intravenous midazolam and propofol sedation, an ultrasound-guided inferior alveolar nerve block was performed bilaterally, and 0.375% ropivacaine was used as a local anesthetic. The patient did not complain of post-operative pain, and no post-operative analgesics were required.
    Language English
    Publishing date 2022-01-30
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2747273-5
    ISSN 2168-8184
    ISSN 2168-8184
    DOI 10.7759/cureus.21723
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: A Novel Technique for Stellate Ganglion Block Using Biplane Imaging Technology.

    Kojima, Yuki / Sendo, Ryozo

    Pain medicine (Malden, Mass.)

    2022  Volume 23, Issue 3, Page(s) 596–608

    MeSH term(s) Anesthetics, Local ; Autonomic Nerve Block/methods ; Humans ; Injections ; Stellate Ganglion/diagnostic imaging ; Technology
    Chemical Substances Anesthetics, Local
    Language English
    Publishing date 2022-04-01
    Publishing country England
    Document type Letter
    ZDB-ID 2015903-1
    ISSN 1526-4637 ; 1526-2375
    ISSN (online) 1526-4637
    ISSN 1526-2375
    DOI 10.1093/pm/pnab268
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Jaw Manipulation Using Ultrasound-Guided Inferior Alveolar Nerve Block for Trismus in Temporomandibular Disorders.

    Kojima, Yuki / Sendo, Ryozo

    Case reports in dentistry

    2022  Volume 2022, Page(s) 4436893

    Abstract: Temporomandibular disorders are a group of disorders with symptoms that include pain and clicking sounds in the temporomandibular joint and restricted mouth opening. For the treatment of temporomandibular disorders with trismus, herein, we suggest a new ... ...

    Abstract Temporomandibular disorders are a group of disorders with symptoms that include pain and clicking sounds in the temporomandibular joint and restricted mouth opening. For the treatment of temporomandibular disorders with trismus, herein, we suggest a new approach: "jaw manipulation using the ultrasound-guided inferior alveolar nerve block technique." A woman in her 60s developed temporomandibular disorders and presented with severe trismus owing to pain in the temporomandibular joint. Ultrasound-guided inferior alveolar nerve block was performed with ropivacaine, which relieved the pain in the patient. Furthermore, we performed jaw manipulation for trismus. Since the analgesic effect lasts for 3 days, self-training can be performed while the pain is relieved. After five sessions of "jaw manipulation using the ultrasound-guided inferior alveolar nerve block technique," trismus significantly improved in this patient. Ultrasound-guided inferior alveolar nerve block can be effective in relieving temporomandibular disorder-related pain and trismus.
    Language English
    Publishing date 2022-02-26
    Publishing country Egypt
    Document type Case Reports
    ZDB-ID 2627632-X
    ISSN 2090-6455 ; 2090-6447
    ISSN (online) 2090-6455
    ISSN 2090-6447
    DOI 10.1155/2022/4436893
    Database MEDical Literature Analysis and Retrieval System OnLINE

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