Masaki Yamamoto

Kidney outcomes of coenzyme Q10 supplementation in patients with genetically confirmed CoQ10 nephropathy in Japan

China Nagano, Katsumi Ushijima, Yuko Tezuka, Takayuki Okamoto et autres

BACKGROUND: Coenzyme Q10 (CoQ10) nephropathy is a rare mitochondrial kidney disease caused by defects in CoQ10 biosynthesis and represents a unique form of steroid-resistant nephrotic syndrome with a disease-specific therapy. However, data on treatment outcomes of this disease in Japanese patients remain …

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Symmetry control by Raman-mode excitations via anharmonic couplings with terahertz field–induced infrared modes in ferroaxial PbWO 4

Masaki Yamamoto, Hiroki Sato, Ryohei Ikeda, Tetsushi Kubo et autres

Ultrafast conversion from a high- to low-symmetry structure is important for optical-switching devices. To realize such a conversion, we used nonlinear phononics. Exciting infrared-active modes with an intense terahertz pulse generates symmetry-reducing Raman modes via anharmonic couplings with the infrared-active modes. A …

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Clinical Impact of HRCT UIP Pattern Among Patients With Idiopathic Pulmonary Fibrosis Undergoing Antifibrotic Treatment: A Multicenter Retrospective Observational Study

Satoshi Nagaoka, Yu Hara, Hiroaki Fujii, Kota Murohashi et autres

BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is a progressive fibrosing interstitial lung disease with a poor prognosis. Honeycombing on high-resolution computed tomography (HRCT) is a defining feature of the usual interstitial pneumonia (UIP) pattern and has traditionally been considered a marker of advanced …

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Percutaneous Endoscopic Gastropexy for Gastric Volvulus in a High-Risk Older Adult Patient

Masahiro Takahashi, Satoru Takayama, Youhei Maeda, Masaki Yamamoto

Gastric volvulus is a rare condition that may recur after endoscopic reduction. Although surgical fixation is often performed to prevent recurrence, this may be difficult in older adults with poor operative tolerance, necessitating alternative approaches. Here, we report a case of gastric …

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Relationship between clinical and pathologic findings and the presence of genetic variants in patients with steroid-resistant nephrotic syndrome

Koichi Kamei, Kandai Nozu, Tomoko Horinouchi, Nana Sakakibara et autres

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Characteristics of febrile seizure after the end of the COVID-19 global health emergency

Shingo Numoto, Yoichiro Oro, Daisuke Nishida, Masaki Yamamoto et autres

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Reduction of post-bronchoscopy pneumonia by working channel irrigation with sterile saline before diagnostic procedures

Satoshi Nagaoka, Masaki Yamamoto, Shunsuke Okazaki, Ryo Nakadegawa et autres

After transbronchial biopsy with flexible bronchoscopy, pneumonia sometimes occurs as a complication. The goal of our study was to determine whether irrigation of the working channel before diagnostic procedures can reduce the frequency of post-bronchoscopy pneumonia. Initially, we examined the effect of …

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Efficacy and safety of intrapleural administration of sodium bicarbonate in patients with acute empyema and complicated parapneumonic effusion: protocol for a prospective, single-arm, interventional study

Yuichiro Suzukawa, Shuhei Teranishi, Ryo Nakadegawa, Shunsuke Okazaki et autres

BACKGROUND: The standard treatment for acute empyema/complicated parapneumonic effusion (CPPE) is antibiotic administration and continuous chest drainage. However, adequate drainage becomes impossible in multichambered pleural effusion and some patients may require surgery or may die. In Japan, intrapleural urokinase is frequently used …

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Reduction of post-bronchoscopy pneumonia by working channel irrigation with sterile saline before diagnostic procedures

Satoshi Nagaoka, Masaki Yamamoto, Shunsuke Okazaki, Ryo Nakadegawa et autres

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A digest of the clinical practice guideline for pediatric idiopathic nephrotic syndrome 2020 updated: medical therapy

Riku Hamada, Yoshitsugu Kaku, Aya Inaba, Hiroshi Kaito et autres

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Summer-type hypersensitivity pneumonitis

Kosuke Ishizuka, Masaki Yamamoto, Yoshiyuki Ohira, Mitsuyasu Ohta

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Coexistence of Intravascular Excess Fluid and Reduced Renal Blood Flow in the Acute Phase of Acute Post-Streptococcal Glomerulonephritis

H Majima, Osamu Uemura, Toshihiko Hattrori, Naoya Fujita et autres

Introduction: Acute post-streptococcal glomerulonephritis (APSGN) is traditionally classified as an intrinsic form of acute kidney injury (AKI). However, previous reports suggest that its pathophysiology may resemble prerenal AKI, particularly regarding low fractional excretion of sodium (FENa) in the acute phase. This study …

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