Yasumasa Yamamoto: Influence Statistics

Yasumasa Yamamoto

Yasumasa Yamamoto

Department of Neurology, Kyoto Second Red Cross Hospital, Kyoto, Japan. | Department of Neurology, Kyoto Katsura Hospital. | Department of Neurology, Kyoto Second Red Cross ...

Yasumasa Yamamoto: Expert Impact

Concepts for which Yasumasa Yamamoto has direct influence: Blood pressure , Progressive motor deficits , Lacunar infarct , Lacunar infarction , Ischemic stroke , Vascular events , Recurrent stroke .

Yasumasa Yamamoto: KOL impact

Concepts related to the work of other authors for which for which Yasumasa Yamamoto has influence: Blood pressure , Ischemic stroke , Lacunar infarction , Cognitive impairment , Misery perfusion , Branch atheromatous disease , Carotid artery .

KOL Resume for Yasumasa Yamamoto

Year
2021

Department of Neurology, Kyoto Second Red Cross Hospital, Kyoto, Japan.

2020

Department of Neurology, Kyoto Katsura Hospital.

2019

Department of Neurology, Kyoto Katsura Hospital, Nishikyo, Kyoto, Japan

2017

Department of Neurology, Kyoto Katsura Hospital, 17 Yamada Hiraocho, Nishikyoku, Kyoto, Japan

2016

Department of Neurology, Kyoto Katsura Hospital, Kyoto, Japan

2015

Department of Neurology, Kyoto Katura Hospital, 17 Yamada Hiraocho, Nishikyoku, Kyoto, Japan. Electronic address:

2014

Department of Neurology, Kyoto Second Red Cross Hospial.

2011

Department of Neurology, Kyoto Second Red Cross Hospital, Haruobicho Kamigyoku, Kyoto, Japan

2010

Kyoto Second Red Cross Hospital, Kyoto, Japan

2005

Department of Neurology, Kyoto Second Red Cross Hospital, Department of Neurology, Kyoto Takeda Hospital, Department of Social Medicine and Cultural Sciences, Kyoto Prefectural University of Medicine, Kyoto, Japan

2004

Department of Geriatric Medicine, Ehime University School of Medicine, and, Katagi Neurosurgical Clinic, Ehime, and, Kyoto Second Red-Cross Hospital, Kyoto, Japan

2002

From the Department of Neurology, Kyoto Second Red Cross Hospital (Y.Y., K. Oiwa, T.K., M.H.); Department of Neurology, Kyoto University Hospital (I.A.); and Department of Social Medicine and Cultural Sciences, Kyoto Prefectural University of Medicine (K. Ozasa) (Japan).

2001

Departments of Neurology, Kyoto Second Red Cross Hospital and, Kyoto University Hospital, Kyoto, Japan

1999

Department of Neurology, Kyoto Second Red Cross Hospital, Kyoto 602, Japan, JP

1998

From the Department of Neurology, Kyoto Second Red Cross Hospital (Y.Y., K.O., M.H.), and the Department of Neurology, Kyoto University (Japan) (I.A., J.K.).

1996

Department of Neurology, Faculty of Medicine, Kyoto University, Japan.

1995

From the Department of Neurology, Kyoto Second Red Cross Hospital (Y.Y., K.O.), and the Department of Neurology, Faculty of Medicine, Kyoto University (I.A., H.S., J.K.), Japan.

1990

Department of Neurology, Faculty of Medicine, Kyoto University, Shogoin Kawara-cho, Sakyo-ku, Kyoto 606

Prominent publications by Yasumasa Yamamoto

KOL-Index: 13440 . OBJECTIVES: In major cerebral arterial occlusive diseases, patients with inadequate blood supply relative to metabolic demand (misery perfusion) may be at increased risk for cerebral ischaemia. This study investigated whether patients showing misery perfusion on PET have a high risk of recurrent ischaemic stroke. METHODS: The relation between the regional haemodynamic status of cerebral ...
Known for Misery Perfusion | Recurrent Stroke | Occlusive Diseases | Major Cerebral
KOL-Index: 10433 . BACKGROUND AND PURPOSE: Patients with acute lacunar infarction in the lenticulostriate artery (LSA) territory often show progression of motor deficits (PMD) after admission. The purpose of our study is to identify predictors for PMD using the findings of diffusion-weighted imaging (DWI) on admission. METHODS: From January 2005 to December 2008, we studied 60 consecutive patients with acute ...
Known for Acute Lacunar Infarction | Motor Deficits | Artery Territory | Pmd Patients
KOL-Index: 8925 . Importance: The Systolic Blood Pressure Intervention Trial (SPRINT) demonstrated that a systolic blood pressure (BP) target less than 120 mm Hg was superior to less than 140 mm Hg for preventing vascular events. This trial excluded patients with prior stroke; therefore, the ideal BP target for secondary stroke prevention remains unknown. Objective: To assess whether intensive BP control ...
Known for Recurrent Stroke | Blood Pressure | Mm Hg | Intensive Control
KOL-Index: 8690 . BACKGROUND: Small deep brain infarcts are often caused by two different vascular pathologies: 1. atheromatous occlusion at the orifice of large caliber penetrating arteries termed branch atheromatous disease (BAD) and 2. lipohyalinotic degenerative changes termed lipohyalinotic degeneration (LD). We herein analyze and describe the characteristics of these 2 different pathologies. METHODS: ...
Known for Progressive Motor Deficits | Lenticulostriate Arteries | Atheromatous Disease | Artery Territory
KOL-Index: 8516 . BACKGROUND: Intracranial atherosclerotic disease is one of the most common causes of ischemic stroke especially in Asians, Hispanics and blacks. Although middle cerebral artery (MCA) stenosis is increasingly being recognized with the advent of magnetic resonance angiography (MRA) or transcranial Doppler ultrasonography, few studies have focused on acute neurological worsening (NW) in ...
Known for Lesion Patterns | Cerebral Artery | Aged Middle | Magnetic Resonance
KOL-Index: 8461 . BACKGROUND: Progressive motor deficits (PMD) are common in cerebral penetrating artery disease (PAD) during the acute stage and leads to severe disability. Reliable predictors and stroke mechanism for PMD in PAD have been yet to be elucidated. Moreover, difference of predictors between topographically classified PAD has not ever been systematically studied. METHODS: Three hundred ninety ...
Known for Progressive Motor Deficits | Predictive Factors | Pmd Lsa | 2 Groups
KOL-Index: 8331 . BACKGROUND AND PURPOSE: A long-term follow-up study was conducted in patients with lacunar infarct to assess how 24-hour blood pressure monitoring values and MRI findings, in particular lacunar infarcts and diffuse white matter lesions, can predict subsequent development of dementia and vascular events, which include cerebrovascular and cardiovascular events. METHODS: One hundred ...
Known for Vascular Events | Lacunar Infarct | Blood Pressure | Independent Predictors
KOL-Index: 7924 . Although the relationships between chronic kidney disease (CKD) and cognitive impairment (CI) have been highlighted, the etiology of CI in CKD remains uncertain. Subjects comprised 224 consecutive patients with symptomatic lacunar infarction who underwent magnetic resonance imaging and ambulatory blood pressure monitoring (ABPM). Diurnal blood pressure (BP) patterns were categorized into ...
Known for Cognitive Impairment | Blood Pressure | Chronic Kidney Disease | Small Vessel
KOL-Index: 7419 . BACKGROUND: Twenty-four-hour blood pressure (BP) readings have been found to correlate with hypertensive target organ damage. Lacunar infarcts (LI) and white matter lesions (WML) probably represent manifestations of cerebral hypertensive target organ damage. This study was conducted to better delineate the relationships between 24-hour BP measurements, LI/WML and small vessel disease ...
Known for Vascular Dementia | Blood Pressure | Dipping Status | Reverse Dipper
KOL-Index: 6995 . BACKGROUND AND OBJECTIVE: Stroke patients with severe leg paralysis are often bedridden in the acute and subacute phase, which increases the risk of disuse muscle atrophy in the chronic phase. The evidence to date indicates that oxidative stress plays an important role in the mechanism of disuse muscle atrophy. Therefore, the aim of this study was to determine if long-term radical ...
Known for Muscle Atrophy | Ischemic Stroke | Chronic Phase | Edaravone Treatment
KOL-Index: 6927 . BACKGROUND AND PURPOSE: Antihypertensive therapy has dramatically reduced the incidence of stroke recurrence; however, recent studies have suggested that the excessive lowering of blood pressure (BP) could cause ischemic cerebral lesions. We conducted a prospective study using MRI and ambulatory blood pressure monitoring to elucidate the appropriate BP control level for the prevention of ...
Known for Blood Pressure | Patients Lacunar Infarcts | Silent Lesions | Antihypertensive Therapy
KOL-Index: 6121 . BACKGROUND AND PURPOSE: Many studies have suggested that diminished nocturnal blood pressure decline in hypertensive cardiovascular disease is associated with the extent of hypertensive vascular disease. In our previous observation of cerebrovascular disease, however, we found reduced nocturnal blood pressure decline to be associated not only with the extent of hypertensive vascular ...
Known for Blood Pressure | Cerebrovascular Disease | Heart Rate | Lacunar Infarctions
KOL-Index: 5907 . OBJECTIVE: Lacunar infarction is a unique stroke entity with characteristic symptoms. However, it is often silent clinically. The possible genetic predisposition to symptoms of lacunar infarction was investigated. METHODS: One-hundred and fifty-one patients with lacunar stroke were consecutively recruited. Lacunar stroke was diagnosed based on both neurological symptoms and lacunar ...
Known for Lacunar Infarction | Genetic Predisposition | Ace Gene | Factors Stroke
KOL-Index: 5352 . BACKGROUND: We undertook a multicenter cohort observational study to investigate the frequency and type of subsequent vascular events after an ischemic stroke and to compare the rates of vascular events between patients with and without hyperlipidemia. METHODS: This nationwide study was conducted in 19 hospitals participating in the Japan Standard Stroke Registry Study. We enrolled ...
Known for Ischemic Stroke | Japan Statin Treatment | Secondary Prevention | Recurrence Risk
KOL-Index: 4907 . PURPOSE: It is universally recognized that the anterior choroidal artery (AChA) supplies the posterior two-third of the posterior limb of internal capsule (PLIC). On the other hand, the blood supply to the anterior one third of the PLIC has remained undetermined. We posit the anterior one third of the PLIC is also supplied by the AChA referring the previous microsurgical ...
Known for Internal Capsule | Anterior Choroidal Artery | Posterior Limb | Plic Acha

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Department of Neurology, Kyoto Second Red Cross Hospital, Kyoto, Japan. | Department of Neurology, Kyoto Katsura Hospital. | Department of Neurology, Kyoto Second Red Cross Hospital, Kyoto, Japan | Department of Neurology, Kyoto Katsura Hospital, Nis