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排序方式: 共有163条查询结果,搜索用时 18 毫秒
31.
32.
NORIKO FUKUDA PhD MASAKO KOHSAKA MD PhD YOICHI SASAMOTO MD PhD EMI KOYAMA PhD RIKO KOBAYASHI MD HIROSHI HONMA MD PhD HOZUMI MATSUBARA TOSHIO NAKANO SATOSHI SAKAKIBARA MD 《Psychiatry and clinical neurosciences》1998,52(2):250-251
Abstract Seven aged subjects aged 61–78 years were exposed to 6000 lx bright light for 30 min during morning hours at their homes for 1 week. Visual analog scale was recorded before bedtime and after rising to assess subjective feelings. Ophthalmological examinations were made before and after light exposure, to exclude pre-existing ocular disorders and to detect ocular damage. Furthermore, ocular fatigue was self-evaluated immediately before and after exposure. Visual analog scale results indicated that alertness reduced significantly before bedtime. Ophthalmological abnormalities were not found after exposure. These findings suggest that short duration morning bright light exposure reduces night-time vigilance. 相似文献
33.
MASATERU KONDO M.D. KOJI FUKUDA M.D. Ph.D. YUJI WAKAYAMA M.D. Ph.D. MAKOTO NAKANO M.D. Ph.D. YUHI HASEBE M.D. HIROAKI SHIMOKAWA M.D. Ph.D. 《Pacing and clinical electrophysiology : PACE》2012,35(12):1464-1471
Background: The functional role of the cavotricuspid isthmus (CTI) for common atrial flutter (cAFL) remains to be elucidated. In the present study, we examined whether the EnSite system (St. Jude Medical, St. Paul, MN, USA), a noncontact mapping system, is useful to evaluate the conduction properties of CTI to minimize radiofrequency (RF) ablation applications for cAFL. Methods: We enrolled 22 consecutive patients with cAFL (64.1 ± 9.5 years old, M/F 21/1) treated with the EnSite system and examined the conduction properties during cAFL and during atrial pacing. In addition, the effectiveness of the system was evaluated in comparison with the conventional ablation group (67 ± 8.9 years old, n = 15, M/F 13/2). Result: In 11 out of the 22 patients, CTI block line was achieved by fewer RF applications on a presumed single activation pathway which the EnSite system showed (point ablation [PA] group), and the remaining 11 patients needed additional linear ablation (additional ablation [AA] group). The number of RF applications in the PA group was significantly smaller than that in the conventional group. During the lower lateral right atrial pacing at a cycle length of 600 ms, the CV of the CTI in the PA group was smaller compared to that in the AA group (1.36 ± 0.61 vs 2.17 ± 0.66 m/s, P < 0.05), although the CV during cAFL (averaged cycle length 245 ± 34 ms) was not different in both groups. Conclusions: These results indicate that targeting the presumed single line identified by EnSite could be an optional therapy for cAFL RF ablation, and diverse conduction properties in CTI are related to the success rate of this procedure. (PACE 2012;35:1464–1471) 相似文献
34.
SHOICHI ASAOKA HIROAKI MASAKI KEIKO OGAWA TIMOTHY I. MURPHY KAZUHIKO FUKUDA KATUO YAMAZAKI 《Journal of sleep research》2010,19(3):436-443
Performance monitoring is an essential function involved in the correction of errors. Deterioration of this function may result in serious accidents. This function is reflected in two event‐related potential (ERP) components that occur after erroneous responses, specifically the error‐related negativity/error negativity (ERN/Ne) and error positivity (Pe). The ERN/Ne is thought to be associated with error detection, while the Pe is thought to reflect motivational significance or recognition of errors. Using these ERP components, some studies have shown that sleepiness resulting from extended wakefulness may cause a decline in error‐monitoring function. However, the effects of sleep inertia have not yet been explored. In this study, we examined the effects of sleep inertia immediately after a 1‐h daytime nap on error‐monitoring function as expressed through the ERN/Ne and Pe. Nine healthy young adults participated in two different experimental conditions (nap and rest). Participants performed the arrow‐orientation task before and immediately after a 1‐h nap or rest period. Immediately after the nap, participants reported an increased effort to perform the task and tended to estimate their performance as better, despite no objective difference in actual performance between the two conditions. ERN/Ne amplitude showed no difference between the conditions; however, the amplitude of the Pe was reduced following the nap. These results suggest that individuals can detect their own error responses, but the motivational significance ascribed to these errors might be diminished during the sleep inertia experienced after a 1‐h nap. This decline might lead to overestimation of their performance. 相似文献
35.
Hirotoshi IMAMURA Shoichi TANI Hidemitsu ADACHI Ryu FUKUMITSU Tadashi SUNOHARA Nobuyuki FUKUI Yoshihiro OMURA Natsuhi SASAKI Tomoaki AKIYAMA Tatsumaru FUKUDA Shinji KAJIURA Masashi SHIGEYASU Kento ASAKURA Ryo HORII Nobuyuki SAKAI 《Neurologia medico-chirurgica》2022,62(5):223
Vasospasm, initial neurological damage, rebleeding, and periprocedural complications are associated prognostic factors for clinical outcomes after aneurysmal subarachnoid hemorrhage (SAH). In this study, factors related to delayed ischemic neurological deficit (DIND) are evaluated using data from our institute for the last 18 years. Data from 2001 to 2018 of patients with aneurysmal SAH who underwent surgical clipping (SC) or endovascular coiling (EC) within 7 days of onset were retrospectively analyzed. Cases of mortality within 5 days after treatment were excluded. Multivariate analysis was used to identify the risk factors for DIND. In total, 840 cases of SAH were assessed; among these cases, 384 (45.7%) and 456 (54.3%) were treated with SC and EC, respectively. The frequency of DIND in the EC group was significantly less than that in the SC group (11.8% vs. 17.7%; p = 0.016). In the results of multivariate analysis, internal carotid artery (ICA) aneurysm and hemorrhagic complications were the risk factors for DIND. Cilostazol administration and EC were significant factors for vasospasm prevention after aneurysmal SAH (odds ratio of ICA aneurysm: 1.59, hemorrhagic complications: 1.76, SC: 1.51, and cilostazol administration: 0.51, respectively). Cilostazol administration was also a significant factor in patients who were treated with EC. ICA aneurysm, treatment strategy, hemorrhagic complications, and cilostazol administration were associated with DIND. Oral administration of cilostazol and avoiding hemorrhagic complications were effective in DIND prevention. If both treatments are available for ruptured aneurysms, clinicians should choose EC on the basis of its ability to prevent DIND. 相似文献
36.
Naoki WAKUTA Kenji FUKUDA Masaki TAKAHARA Satoshi YAMAMOTO Hisatomi ARIMA Eiji MOTONAGA Tooru INOUE 《Neurologia medico-chirurgica》2023,63(1):23
The Miyako Islands (with a population of approximately 50,000) are located in southwestern Japan, with a subtropical oceanic climate. This isolated location permitted a retrospective population-based epidemiological study of subarachnoid hemorrhage. We retrospectively enrolled 110 consecutive patients from 2010 to 2019 using the subarachnoid hemorrhage database at Okinawa Miyako Hospital, which is the only local facility with neurosurgeons. We calculated the incidence of subarachnoid hemorrhage standardized to the entire Japanese population. The seasonal distribution of subarachnoid hemorrhage onset and patients'' epidemiological characteristics were also investigated. The standardized annual incidence of subarachnoid hemorrhage was 21.4 per 100,000 population, as reported previously in Japan. The patients'' mean age was 62.1 ± 15.4 years, and women constituted 60.9%. Anterior communicating artery aneurysms were most common. The endovascular treatment for ruptured aneurysms was increasing as standard levels in Japan. The rates of symptomatic vasospasm and secondary hydrocephalus requiring additional neurosurgical treatment were 2.7% and 19.1%, respectively. The mortality rate was 23.6%. The percentage of patients with a modified Rankin scale score of 0-2 at discharge was 55.5%. There were no differences in the frequency of subarachnoid hemorrhage associated with seasonal distribution or climatic factors. The incidence, baseline characteristics, and clinical outcomes of subarachnoid hemorrhage in the Miyako Islands were similar to those in other regions of Japan. There are preferable epidemiological backgrounds for further practical clinical research. 相似文献
37.
Yoshinobu HORIO Toshiro KATSUTA Kazuhiro SAMURA Naoki WAKUTA Kenji FUKUDA Toshio HIGASHI Tooru INOUE 《Neurologia medico-chirurgica》2015,55(12):915-919
There are very few published reports of rupture of an isolated posterior spinal artery (PSA) aneurysm, and consequently the optimal therapeutic strategy is debatable. An 84-year-old man presented with sudden onset of restlessness and disorientation. Neuroradiological imaging showed an intracranial subarachnoid hemorrhage (SAH) with no visible intracranial vascular lesion. Spinal magnetic resonance imaging (MRI) detected a localized subarachnoid hematoma at Th10–11. Both contrast-enhanced spinal computed tomography and enhanced MRI and magnetic resonance angiography revealed an area of enhancement within the hematoma. Superselective angiography of the left Th12 intercostal artery demonstrated a faintly enhanced spot in the venous phase. Thirteen days after the onset of symptoms, a small fusiform aneurysm situated on the radiculopial artery was resected. The patient''s postoperative course was uneventful and he was eventually discharged in an ambulatory condition. To our knowledge, this 84-year-old man is the oldest reported case of surgical management of a ruptured isolated PSA aneurysm. This case illustrates both the validity and efficacy of this therapeutic approach. 相似文献
38.
Herpes simplex viral DNA was detected in biopsy specimens obtained from four patients with Kaposi's varicelliform eruption using an in situ hybridization technique with btotinylated complementary DNA probes. Herpes simplex viral DNA was consistently found almost exclusively in the nuclei of giant cells and balloon cells in vesicles during day 2, 5 and 7 of the disease. In the nuclei, the viral DNA staining pattern was granular or agglomerate. No positive staining was observed in the cytoplasm. 相似文献
39.
HYPERMINERALOCORTICISM WITHOUT ELEVATION OF PLASMA ALDOSTERONE: DEOXYCORTICOSTERONE-PRODUCING ADRENAL ADENOMA AND HYPERPLASIA 总被引:2,自引:0,他引:2
SAN-E ISHIKAWA TOSHIKAZU SAITO KENZO KANEKO KOJI OKADA SHUICHI FUKUDA TAKESHI KUZUYA 《Clinical endocrinology》1988,29(4):367-375
Two female patients were admitted for evaluation of hypertension and hypokalaemia. Plasma renin activity was suppressed and plasma aldosterone levels were within the normal value in a 52-year-old woman and below the normal value in the other patient, a 62-year-old woman. Plasma 11-deoxycorticosterone (DOC) levels were as high as 1.13 and 1.47 nmol/l, respectively. Adrenal scintigram and abdominal CT scan clearly showed a right adrenal tumour in the 52-year-old woman. After adrenalectomy plasma DOC level decreased to the normal level of 0.12 nmol/l, and her blood pressure and serum potassium became normal. Abdominal CT scan revealed no finding of adrenal tumour in the older woman. These results indicate that these two patients had hypermineralocorticism with elevation of plasma DOC. One patient had a DOC-producing adrenal adenoma, and the other probably had bilateral adrenal hyperplasia. 相似文献
40.
SAORI NISHIJIMA KIMIO SUGAYA TAKASHI FUKUDA MINORU MIYAZATO SATOSHI ASHIMINE YOSHIHIDE OGAWA 《International journal of urology》2006,13(12):1479-1483
OBJECTIVE: Our previous study showed that the spinal glycine level in rats was changed by spinal injury or bladder outlet obstruction, and this change was reflected by serum glycine levels. Therefore, we measured the serum glutamate and glycine levels in healthy volunteers and patients with cerebrospinal damage or benign prostatic hyperplasia (BPH) to confirm whether the change of serum amino acid levels was obtained from these patients as well as the animal experiment. METHODS: We measured the serum glutamate and glycine levels in 170 healthy controls, 57 patients with cerebrovascular disease (CVD), 68 patients with spinal cord injury (SCI), and 70 patients with BPH. Amino acid levels were compared between the controls and patients, according to gender, level of spinal injury and the type of bladder activity. RESULTS: In the healthy controls, glutamate levels were higher and glycine levels were lower in men than in women. On group comparison of each gender, there were no differences of glutamate levels. However, glycine levels were lower in male and female SCI patients and BPH patients than in controls. According to the level of spinal injury or the pattern of bladder activity and amino acid levels, there were no relationships among them. CONCLUSIONS: Serum glutamate and glycine levels were not related to the spinal injury level or bladder activity. However, serum glycine levels changed in patients with SCI or BPH patients, so it may be possible to use it as an indicator of spinal glycinergic neuronal activity. 相似文献