Publications by authors named "Tadashi Umehara"

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Enhanced visual illusions in Parkinson's disease with cardiovascular autonomic failure.
Tadashi Umehara, Masahiro Mimori, Tatsushi Kokubu, Masakazu Ozawa, Tomotaka Shiraishi

Clin Auton Res· December 2025

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Influence of autonomic dysfunction on sleep disturbance in drug-naïve patients with Parkinson's disease.
Masakazu Ozawa, Hidetomo Murakami, Hirotaka James Okano, Yutaka Matsushita, Shu Fujimoto, Tadashi Umehara

Neurol Sci· December 2025

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Reduced cerebrospinal fluid taurine is associated with nigrostriatal dopaminergic deficits in drug-naïve Parkinson's disease.
Masahiro Mimori, Tadashi Umehara, Hiroki Takatsu, Motohiro Okumura, Marina Masui

J Neural Transm (Vienna)· September 2025

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Local Recurrence After Sublobar Resection for Primary Lung Cancer: Does the Type of Stapling Device Matter?
Go Kamimura, Masaya Aoki, Satomi Imamura, Shoichiro Morizono, Takuya Tokunaga, Tadashi Umehara

Interdiscip Cardiovasc Thorac Surg· August 2025

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Association of blood pressure variability with white matter hyperintensities and nigrostriatal dopaminergic deficits in drug-naïve Parkinson's disease.
Hiromasa Matsuno, Tadashi Umehara, Masahiro Mimori, Masakazu Ozawa, Tomotaka Shiraishi

J Neural Transm (Vienna)· July 2025

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Putamen dopaminergic dysfunction is associated with sleep disturbance in drug-naïve patients with Parkinson's disease.
Masakazu Ozawa, Hidetomo Murakami, Yuichiro Muraoka, Momoyo Ibukuro, Tomotaka Shiraishi, Tadashi Umehara

Sleep Med· May 2025

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Sotorasib Is Not Effective in a KRAS-Mutated Patient With Brain Metastases From Lung Adenocarcinoma due to Multiple Gene Co-Mutations.
Takayuki Suetsugu, Kentaro Tsuruzono, Masashi Hatanaka, Akihiro Yamaguchi, Hajime Yonezawa, Tadashi Umehara

Respirol Case Rep· May 2025

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Importance of future motivation for skill acquisition among medical students undergoing endoscopic forceps training.
Go Kamimura, Koki Maeda, Masaya Aoki, Satomi Imamura, Shoichiro Morizono, Tadashi Umehara

BMC Med Educ· April 2025

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Significance of measuring the severity of emphysema, in combination with spirometry, on the risk evaluation of patients undergoing major lung resection for cancer†.
Souichi Suzuki, Aya Harada-Takeda, Shoichiro Morizono, Koji Takumi, Tadashi Umehara

Interdiscip Cardiovasc Thorac Surg· March 2025

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Sleep disturbance is associated with worsening quality of life in patients with multiple system atrophy.
Masakazu Ozawa, Hidetomo Murakami, Tomotaka Shiraishi, Hiromasa Matsuno, Keiko Bono, Tadashi Umehara

Clin Neurol Neurosurg· March 2025

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Cerebral Small Vessel Disease is Associated with Prehospital Delay in Acute Ischemic Stroke.
Marina Masui, Takeo Sato, Motohiro Okumura, Takahiro Ishikawa, Kenichi Sakuta, Tadashi Umehara

J Atheroscler Thromb· February 2025

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Association between left atrial function and pulmonary vein stump thrombus after left upper lobectomy: insights from cine-MRI.
Koji Takumi, Hiroaki Nagano, Yoshiki Kamimura, Kazuhiro Ueda, Tadashi Umehara

Sci Rep· February 2025

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Evaluation of aerosol generation and cooling effects of evaporative plus convective cooling in heat stroke treatment: A simulation study.
Jun Kanda, Yasufumi Miyake, Yuzo Sakamoto, Shoichi Yoshiike, Tomohiko Takeuchi, Tadashi Umehara

Acute Med Surg· February 2025

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Prognostic significance of preoperative to postoperative serum carcinoembryonic antigen ratio after lobectomy for lung adenocarcinoma.
Go Kamimura, Masaya Aoki, Mihiro Iwamoto, Yusei Tsuneyoshi, Shoichiro Morizono, Tadashi Umehara

Gen Thorac Cardiovasc Surg· January 2025

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Bathing-Related Ischemic Stroke: Association between Stroke Subtype and Cerebral Small Vessel Disease.
Takahiro Ishikawa, Takeo Sato, Motohiro Okumura, Tatsushi Kokubu, Junichiro Takahashi, Tadashi Umehara

J Atheroscler Thromb· December 2024

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Association between sebum secretion and cardiac sympathetic dysfunction in Parkinson's disease.
Tomomichi Kitagawa, Renpei Sengoku, Masakazu Ozawa, Hiromasa Matsuno, Tadashi Umehara

Parkinsonism Relat Disord· December 2024

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Structural MRI study of Pareidolia and Visual Hallucinations in Drug-Naïve Parkinson's disease.
Masakazu Ozawa, Tomotaka Shiraishi, Hidetomo Murakami, Daisuke Yoshimaru, Asako Onda, Tadashi Umehara

Sci Rep· December 2024

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Leaky Gut Syndrome Along With Clostridium perfringens Bacteremia in a Neurodegenerative Disease Patient: A Case Report.
Daisuke Usuda, Manabu Sugita, Pingcheng Shen, Tadashi Umehara, Takeshi Kitamoto

Cureus· December 2024

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Correction to: Prognostic significance of preoperative to postoperative serum carcinoembryonic antigen ratio after lobectomy for lung adenocarcinoma.
Go Kamimura, Masaya Aoki, Mihiro Iwamoto, Yusei Tsuneyoshi, Shoichiro Morizono, Tadashi Umehara

Gen Thorac Cardiovasc Surg· October 2024

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[Amaurosis fugax in Marfan syndrome with myxomatous degeneration].
Takeo Sato, Mari Satake, Hiroki Iitsuka, Masahiro Mimori, Tadashi Umehara

Rinsho Shinkeigaku· October 2024

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Serum phosphorus levels associated with nigrostriatal dopaminergic deficits in drug-naïve Parkinson's disease.
Tadashi Umehara, Masahiro Mimori, Tatsushi Kokubu, Masakazu Ozawa, Tomotaka Shiraishi

J Neurol Sci· September 2024

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Adjuvant Chemotherapy in Addition to Neoadjuvant Chemotherapy for Locally Advanced Non-small Cell Lung Cancer.
Ryo Miyata, Masaya Aoki, Shoichiro Morizono, Tadashi Umehara, Aya Harada-Takeda

In Vivo· August 2024

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Effects and safety of high-frequency rTMS in subacute ischemic stroke patients.
Teppei Komatsu, Takuya Hada, Nobuyuki Sasaki, Hiroyuki Kida, Takahiro Maku, Tadashi Umehara

J Neurol Sci· July 2024

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Relationship between ω3 and ω6 polyunsaturated fatty acids and atrial fibrillation in acute ischemic stroke.
Takeo Sato, Motohiro Okumura, Takahiro Ishikawa, Kenichi Sakuta, Junichiro Takahashi, Tadashi Umehara

Clin Nutr· June 2024

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Prognostic Outcome of Pulmonary Resection for Pulmonary Metastases from Gastric Cancer.
Go Kamimura, Masaya Aoki, Tadashi Umehara, Aya Harada-Takeda, Toshiyuki Nagata

Ann Thorac Cardiovasc Surg· June 2024

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