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  1. Article: The need to suspect tension gastrothorax as a cause of obstructive shock in trauma care: A case report.

    Shinjo, Takafumi / Tanaka, Yasutaka / Izawa, Yoshimitsu / Yonekawa, Chikara / Matsumura, Tomohiro / Mato, Takashi

    International journal of surgery case reports

    2024  Volume 118, Page(s) 109612

    Abstract: Introduction: Traumatic tension gastrothorax is a type of obstructive shock similar to tension pneumothorax. However, tension gastrothorax is not well known among emergency physicians, and no consensus has yet been reached on management during initial ... ...

    Abstract Introduction: Traumatic tension gastrothorax is a type of obstructive shock similar to tension pneumothorax. However, tension gastrothorax is not well known among emergency physicians, and no consensus has yet been reached on management during initial trauma care. We present a case of traumatic tension gastrothorax in which tube thoracostomy was performed based solely on clinical findings very similar to tension pneumothorax, followed by emergency laparotomy.
    Presentation of case: A 24-year-old male motorcyclist was brought to our emergency medical center after being struck by a motor vehicle. He was in respiratory failure and hypotensive shock with findings suggestive of pneumothorax. Although the physical findings were not fully in line with tension pneumothorax, we immediately performed finger thoracostomy. Subsequent radiography revealed left diaphragmatic rupture with hernia. After unsuccessful attempts to decompress the stomach with a nasogastric tube, immediate emergency laparotomy was performed. During the operation, the stomach, which had prolapsed through the ruptured diaphragm into the thoracic cavity, was manually returned to the abdominal cavity. The ruptured diaphragm was repaired with sutures.
    Discussion: Although distinguishing between tension pneumothorax and tension gastrothorax based on physical examination alone is difficult, tension gastrothorax requires careful attention to avoid intrapleural contamination from gastric injury. In addition, relying solely on stomach decompression with a nasogastric tube or delaying laparotomy could lead to cardiac arrest.
    Conclusion: When tension pneumothorax is suspected during initial trauma care, tension gastrothorax should also be considered as a differential diagnosis and treated with immediate diaphragmatic repair once identified.
    Language English
    Publishing date 2024-04-04
    Publishing country Netherlands
    Document type Case Reports
    ISSN 2210-2612
    ISSN 2210-2612
    DOI 10.1016/j.ijscr.2024.109612
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: [Pseudo-false Aneurysm of the Left Ventricle after Acute Myocardial Infarction;Report of a Case].

    Tanaka, Yasutaka / Kurumisawa, Souki / Muraoka, Arata / Kawahito, Koji / Nakaya, Takeo

    Kyobu geka. The Japanese journal of thoracic surgery

    2018  Volume 71, Issue 11, Page(s) 961–964

    Abstract: A 77-year-old man was admitted to a regional hospital to undergo investigation of abnormal electrocardiographic findings. Coronary angiography revealed 99% stenosis of the right coronary artery(RCA) segment 3 and 75% stenosis of the left anterior ... ...

    Abstract A 77-year-old man was admitted to a regional hospital to undergo investigation of abnormal electrocardiographic findings. Coronary angiography revealed 99% stenosis of the right coronary artery(RCA) segment 3 and 75% stenosis of the left anterior descending artery (LAD)segment 7. Left ventriculography revealed an aneurysm at the inferior wall of the left ventricle. On computed tomography and echocardiography, a saccular aneurysm at the inferior wall, 15 mm in diameter, was observed. Under the suspicion of a ventricular false aneurysm resulting from myocardial infarction, aneurysmectomy, patch closure of the aneurysmal orifice and coronary artery bypass grafting to the LAD and RCA were performed. No pericardial adhesion to the ventricular aneurysm was observed. His postoperative course was uneventful, and he was discharged from the hospital on the 28th postoperative day in good condition. The pathological examination revealed residual cardiomyocytes with the aneurysmal wall.
    MeSH term(s) Aged ; Aneurysm, False/diagnostic imaging ; Aneurysm, False/etiology ; Coronary Angiography ; Coronary Stenosis/diagnostic imaging ; Echocardiography ; Heart Aneurysm/diagnostic imaging ; Heart Aneurysm/etiology ; Heart Ventricles/diagnostic imaging ; Humans ; Male ; Myocardial Infarction/complications
    Language Japanese
    Publishing date 2018-10-11
    Publishing country Japan
    Document type Case Reports
    ZDB-ID 603899-2
    ISSN 0021-5252
    ISSN 0021-5252
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Necrotizing Soft-Tissue Infection of the Trunk Resulting From Wound Caused by a Centipede: A Case Report.

    Tanaka, Yasutaka / Mato, Takashi / Fujiya, Shoma / Furuhashi, Yuri / Takanosu, Tomotaka / Watanabe, Nobutaka / Shinjo, Takafumi / Matsumura, Tomohiro / Izawa, Yoshimitsu / Yonekawa, Chikara / Kato, Hirotomo

    The American journal of case reports

    2022  Volume 23, Page(s) e937869

    Abstract: BACKGROUND Centipede envenomation is usually mild, but a review of the existing literature revealed a more serious course in a small proportion of patients. In fact, necrotizing soft-tissue infections have been reported following centipede stings in a ... ...

    Abstract BACKGROUND Centipede envenomation is usually mild, but a review of the existing literature revealed a more serious course in a small proportion of patients. In fact, necrotizing soft-tissue infections have been reported following centipede stings in a small number of cases and require early diagnosis and treatment because of a high mortality rate. CASE REPORT A 78-year-old man was stung by a centipede on the left abdomen. Treatment with antimicrobial agents was started due to cellulitis, but extensive erythema developed from the left chest to the left buttock. Six days after being stung, he visited our hospital. Necrotizing soft-tissue infection was diagnosed and treated immediately with antibiotics and debridement on the left side of the abdomen and chest. Group A Streptococcus was detected in the fascia. The wound was left partially open and washed daily, resulting in gradual improvement of the wound condition. On hospitalization day 8, the open wound was able to be closed. Antimicrobial therapy was completed on hospitalization day 16. The patient showed good progress. CONCLUSIONS Centipede stings are not rare in tropical and subtropical regions, and most occurrences of centipede envenomation cause only local symptoms. However, we believe that even wounds caused by centipedes should be monitored, given the possibility of subsequent severe infection, as in the present case. In addition, the causative organisms identified in the present patient with necrotizing soft-tissue infection following a centipede sting were commensal bacteria of the skin. Future research is thus needed to clarify the relationship between these causative organisms and centipedes.
    MeSH term(s) Male ; Animals ; Humans ; Aged ; Chilopoda ; Soft Tissue Infections/diagnosis ; Soft Tissue Infections/therapy ; Cellulitis/microbiology ; Streptococcus pyogenes ; Anti-Bacterial Agents/therapeutic use
    Chemical Substances Anti-Bacterial Agents
    Language English
    Publishing date 2022-11-09
    Publishing country United States
    Document type Case Reports ; Review ; Journal Article
    ZDB-ID 2517183-5
    ISSN 1941-5923 ; 1941-5923
    ISSN (online) 1941-5923
    ISSN 1941-5923
    DOI 10.12659/AJCR.937869
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Dumping Syndrome due to the Misplacement of the Gastrostomy Feeding Tube.

    Shimoda, Masafumi / Saraya, Takeshi / Ogawa, Yukari / Tanaka, Yasutaka

    Internal medicine (Tokyo, Japan)

    2015  Volume 54, Issue 19, Page(s) 2529

    Language English
    Publishing date 2015
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 32371-8
    ISSN 1349-7235 ; 0021-5120 ; 0918-2918
    ISSN (online) 1349-7235
    ISSN 0021-5120 ; 0918-2918
    DOI 10.2169/internalmedicine.54.5105
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Investigation of the Utility and Safety of Dynamic Computed Tomography with Vasodilators.

    Watanabe, Jun / Endo, Kanenori / Tanaka, Yasutaka / Goto, Keisuke / Urushibara, Shoichi / Osaki, Tomohiro / Tatebe, Shigeru / Nakamura, Seiichi / Hirooka, Yasuaki / Ikeguchi, Masahide

    Yonago acta medica

    2020  Volume 63, Issue 1, Page(s) 47–54

    Abstract: Background: Dynamic computed tomography (CT) angiography is useful for evaluating of hepatic vascularity. Although vasodilators increase hepatic blood flow, the utility of dynamic CT with vasodilators is unclear. Here we investigated the utility and ... ...

    Abstract Background: Dynamic computed tomography (CT) angiography is useful for evaluating of hepatic vascularity. Although vasodilators increase hepatic blood flow, the utility of dynamic CT with vasodilators is unclear. Here we investigated the utility and safety of dynamic CT with vasodilators.
    Methods: A prospective case-control radiographic evaluation using abdominal dynamic CT with and without vasodilator was performed at a single center between October 2015 and September 2016. We compared the CT values in Hounsfield units of the aorta; celiac artery; and common, right, and left hepatic arteries in the arterial phase and the main trunk; right and left branches of the portal vein; and right, middle, and left hepatic veins in the portal phase with and without vasodilators. The region of interest was set in each element of the liver vasculature. Four radiological technologists independently and visually compared the scores of the portal vein (P-score) and hepatic vein (V-score) on a 5-point scale with and without vasodilators.
    Results: The CT values of arteries and veins using vasodilators were significantly higher than those without vasodilators. With and without vasodilators, the
    Conclusion: Dynamic CT with vasodilators can provides better visualization of vascular structures.
    Language English
    Publishing date 2020-01-24
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 840719-8
    ISSN 1346-8049 ; 0513-5710
    ISSN (online) 1346-8049
    ISSN 0513-5710
    DOI 10.33160/yam.2020.02.007
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Rothia aeria: a great mimicker of the Nocardia species.

    Saraya, Takeshi / Yonetani, Shota / Ogawa, Yukari / Tanaka, Yasutaka

    BMJ case reports

    2014  Volume 2014

    MeSH term(s) Aged, 80 and over ; Aspergillosis ; Cough/etiology ; Diabetes Mellitus, Type 2 ; Diagnosis, Differential ; Gram-Positive Bacterial Infections/diagnosis ; Gram-Positive Bacterial Infections/diagnostic imaging ; Gram-Positive Bacterial Infections/microbiology ; Humans ; Male ; Micrococcaceae/genetics ; Micrococcaceae/isolation & purification ; Nocardia/genetics ; Nocardia/isolation & purification ; Pancreatic Neoplasms ; RNA, Bacterial/analysis ; Radiography
    Chemical Substances RNA, Bacterial
    Language English
    Publishing date 2014-12-03
    Publishing country England
    Document type Case Reports ; Journal Article
    ISSN 1757-790X
    ISSN (online) 1757-790X
    DOI 10.1136/bcr-2014-206349
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Self-Assembled Boronic Ester Cavitand Capsules with Various Bis(catechol) Linkers: Cavity-Expanded and Chiral Capsules.

    Tamaki, Kento / Ishigami, Asumi / Tanaka, Yasutaka / Yamanaka, Masamichi / Kobayashi, Kenji

    Chemistry (Weinheim an der Bergstrasse, Germany)

    2015  Volume 21, Issue 39, Page(s) 13714–13722

    Abstract: Two molecules of cavitand tetraboronic acid and four molecules of various bis(catechol) linkers self-assemble into capsules through the formation of eight dynamic boronic ester bonds. Each capsule has a different cavity size depending on the linker used, ...

    Abstract Two molecules of cavitand tetraboronic acid and four molecules of various bis(catechol) linkers self-assemble into capsules through the formation of eight dynamic boronic ester bonds. Each capsule has a different cavity size depending on the linker used, and shows particular guest encapsulation selectivity. A chiral capsule made up of the cavitand and a chiral bis(catechol) linker was also constructed. This capsule induces supramolecular chirality with respect to a prochiral biphenyl guest by diastereomeric encapsulation through the asymmetric suppression of rotation around the axis of the prochiral biphenyl moiety.
    Language English
    Publishing date 2015-09-21
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1478547-x
    ISSN 1521-3765 ; 0947-6539
    ISSN (online) 1521-3765
    ISSN 0947-6539
    DOI 10.1002/chem.201501717
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  8. Article: A schizophrenic patient with cerebral infarctions after hemorrhagic shock.

    Yanagawa, Youichi / Ohara, Keiichiro / Tanaka, Yasutaka / Tanaka, Ryota

    Journal of emergencies, trauma, and shock

    2012  Volume 6, Issue 1, Page(s) 53–55

    Abstract: We herein report the fourth case of cerebral infarction, concomitant with hemorrhagic shock, in English literature. A 33-year-old male, who had been diagnosed with schizophrenia and given a prescription for Olanzapine, was discovered with multiple self- ... ...

    Abstract We herein report the fourth case of cerebral infarction, concomitant with hemorrhagic shock, in English literature. A 33-year-old male, who had been diagnosed with schizophrenia and given a prescription for Olanzapine, was discovered with multiple self-inflicted bleeding cuts on his wrist. On arrival, he was in hemorrhagic shock without verbal responsiveness, but his vital signs were normalized following infusion of Lactate Ringer's solution. The neuroradiological studies revealed multiple cerebral ischemic lesions without any vascular abnormality. He was diagnosed with speech apraxia, motor aphasia, and dysgraphia, due to multiple cerebral infarctions. As there was no obvious causative factor with regard to the occurrence of cerebral infarction in the patient, the hypoperfusion due to hemorrhagic shock, and the thromboembolic tendency due to Olanzapine, might have acted together to lead to the patient's cerebral ischemia.
    Language English
    Publishing date 2012-10-15
    Publishing country India
    Document type Case Reports
    ZDB-ID 2461111-6
    ISSN 0974-519X ; 0974-2700
    ISSN (online) 0974-519X
    ISSN 0974-2700
    DOI 10.4103/0974-2700.106327
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Paradoxical brain embolism associated with Kimura disease mimics watershed infarction.

    Tanaka, Yasutaka / Ueno, Yuji / Shimada, Yoshiaki / Yamashiro, Kazuo / Tanaka, Ryota / Urabe, Takao / Hattori, Nobutaka

    Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association

    2015  Volume 24, Issue 2, Page(s) e55–7

    Abstract: Kimura disease (KD) is an uncommon chronic inflammatory disease presenting as subcutaneous lymphadenopathy with eosinophilia. To date, only a single case of brain embolism caused by fibroblastic endocarditis associated with KD has been reported. ... ...

    Abstract Kimura disease (KD) is an uncommon chronic inflammatory disease presenting as subcutaneous lymphadenopathy with eosinophilia. To date, only a single case of brain embolism caused by fibroblastic endocarditis associated with KD has been reported. Watershed infarction was seen in patients with episodes of severe hypotension or cardiac surgery. We here report a young case of KD who developed ischemic stroke and showed multiple small infarcts in the border zones between the territories of major cerebral arteries, mimicking watershed infarction. Transesophageal echocardiography revealed patent foramen ovale and atrial septal aneurysm. Concurrently, deep venous thrombus in the femoral vein was found on duplex ultrasonography. Our case supports the notion that paradoxical brain embolism associated with KD can cause multiple small embolisms and mimic watershed infarction.
    MeSH term(s) Adult ; Angiolymphoid Hyperplasia with Eosinophilia/complications ; Angiolymphoid Hyperplasia with Eosinophilia/diagnosis ; Brain Infarction/diagnosis ; Diagnosis, Differential ; Echocardiography, Transesophageal ; Foramen Ovale, Patent/complications ; Foramen Ovale, Patent/diagnostic imaging ; Heart Aneurysm/complications ; Heart Aneurysm/diagnostic imaging ; Humans ; Intracranial Embolism/complications ; Intracranial Embolism/diagnosis ; Male
    Language English
    Publishing date 2015-02
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 1131675-5
    ISSN 1532-8511 ; 1052-3057
    ISSN (online) 1532-8511
    ISSN 1052-3057
    DOI 10.1016/j.jstrokecerebrovasdis.2014.09.018
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Spontaneous resolution of Pneumocystis jirovecii pneumonia on high-resolution computed tomography in a patient with renal cell carcinoma.

    Tanaka, Yasutaka / Saraya, Takeshi / Kurai, Daisuke / Ishii, Haruyuki / Takizawa, Hajime / Goto, Hajime

    The American journal of case reports

    2014  Volume 15, Page(s) 496–500

    Abstract: Background: Spontaneous resolution of Pneumocystis jirovecii pneumonia has rarely been reported.: Case report: A 59-year-old man presented to our hospital because of pyrexia (38°C) and shaking chills for 2 days. He had a history of right nephrectomy ... ...

    Abstract Background: Spontaneous resolution of Pneumocystis jirovecii pneumonia has rarely been reported.
    Case report: A 59-year-old man presented to our hospital because of pyrexia (38°C) and shaking chills for 2 days. He had a history of right nephrectomy due to renal cell carcinoma and left upper lobectomy for lung metastasis in the last 1.5 years. Two months previously, he was treated with oral prednisolone (20 mg/day) plus the intravenous mTOR inhibitor, temsirolimus (25 mg/week), for brain metastasis. On radiological examination, thoracic computed tomography showed diffuse ground glass opacities spreading in bilateral middle to lower lung fields. Although transbronchial biopsy specimens and bronchoalveolar lavage fluid demonstrated the presence of accumulation of black-colored Pneumocystis jirovecii cysts in the lung, his chief complaints and radiological abnormalities disappeared completely with no treatment. This case demonstrates a unique clinical presentation of Pneumocystis jirovecii pneumonia, in that spontaneous resolution was noted on clinical and sequential radiological evaluations.
    Conclusions: Increasing numbers of cytotoxic drugs and biological therapies have emerged, and changes in the immune status due to underlying diseases or administration of immunosuppressive drugs might affect the inflammatory process of Pneumocystis jirovecii pneumonia, as in the present case.
    MeSH term(s) Biopsy ; Bronchoscopy ; Carcinoma, Renal Cell/complications ; Carcinoma, Renal Cell/diagnosis ; Diagnosis, Differential ; Humans ; Immunocompromised Host ; Kidney Neoplasms/complications ; Kidney Neoplasms/diagnosis ; Male ; Middle Aged ; Pneumocystis carinii/isolation & purification ; Pneumonia, Pneumocystis/complications ; Pneumonia, Pneumocystis/diagnosis ; Pneumonia, Pneumocystis/microbiology ; Remission, Spontaneous ; Tomography, X-Ray Computed/methods
    Language English
    Publishing date 2014-11-14
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 2517183-5
    ISSN 1941-5923 ; 1941-5923
    ISSN (online) 1941-5923
    ISSN 1941-5923
    DOI 10.12659/AJCR.890947
    Database MEDical Literature Analysis and Retrieval System OnLINE

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