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51.
52.
The present study investigated interrogative suggestibility in opiate users. A group of patients undergoing a methadone detoxification programme in an in-patient drug treatment unit (Detox group, n="21)," and a group of residents who had come off drugs and were no longer suffering from withdrawal syndrome (Rehab group, n="19)" were compared on interrogative suggestibility and various other psychological factors. Significant differences were found between the two groups, with the Detox group having more physical and psychological problems, and a higher total suggestibility score in comparison with the Rehab group. These findings are discussed in relation to the context of police interrogations and the reliability of confessions made by suspects and witnesses dependent on opiates. 相似文献
53.
Noriaki MATSUBARA Shigeru MIYACHI Takashi IZUMI Takashi YAMANOUCHI Takumi ASAI Keisuke OTA Toshihiko WAKABAYASHI 《Neurologia medico-chirurgica》2015,55(2):155-162
The authors retrospectively reviewed their cases of infectious intracranial aneurysms and discuss results and trends of current treatment modalities including medical, neurosurgical, and endovascular. Twenty patients (10 males and 10 females; mean age 46 years) with 23 infectious aneurysms were treated by various treatment modalities during a 15-year period. Fifteen cases (75.0%) were caused by infective endocarditis. Eleven aneurysms (47.8%) were ruptured. Two aneurysms (8.7%) presented a mass effect and 7 (30.4%) were unruptured and asymptomatic. The average aneurysm size was 6.5 ± 4.8 mm (range 1–22 mm). The aneurysms were located in proximal cerebral circulation in 7 (30.4%) and distal in 16 (69.6%). Six (26.1%) aneurysms were treated surgically (5: trapping, 1: neck clipping), 10 (43.5%) endovascularly (7: trapping, 2: proximal occlusion, 1: saccular coiling), and the remaining 7 (30.4%) medically. Endovascular treatment was gradually increased with time. Medical and surgical treatments were continuously performed during the study period. Surgery was preferred for the patient with intraparenchymal hematoma or treated by bypass surgery. Three periprocedural minor complications occurred in endovascular treatment. There was one postoperative infarction with permanent deficit developed from surgical treatment. During the follow-up period (mean 28.8 months), none of the aneurysms presented a recurrence or rebleeding. Thirteen patients (65.0%) had favorable clinical outcomes (modified Rankin Scale: 0–2), although four (20.0%) had poor outcomes (modified Rankin Score: 5–6). A multimodal approach for the management of infectious aneurysms achieved satisfactory results. Endovascular intervention is a feasible and efficacious treatment option and surgical intervention is still an indispensable procedure. 相似文献
54.
A. SUGIDACHI T. OGAWA A. KURIHARA† K. HAGIHARA† J.A. JAKUBOWSKI‡ M. HASHIMOTO Y. NIITSU F. ASAI 《Journal of thrombosis and haemostasis》2007,5(7):1545-1551
BACKGROUND AND METHODS: Prasugrel is a novel orally active thienopyridine prodrug with potent and long-lasting antiplatelet effects. Platelet inhibition reflects inhibition of P2Y(12) receptors by its active metabolite (AM). Previous studies have shown that the antiplatelet potency of prasugrel is at least 10 times higher than that of clopidogrel in rats and humans, but the mechanism of its higher potency has not yet been fully elucidated. RESULTS: Oral administration of prasugrel to rats resulted in dose-related and time-related inhibition of ex vivo platelet aggregation, and its effect was about 10 times more potent than that of clopidogrel. The plasma concentration of prasugrel AM was higher than that of clopidogrel AM despite tenfold higher doses of clopidogrel, indicating more efficient in vivo production of prasugrel AM than of clopidogrel AM. In rat platelets, prasugrel AM inhibited in vitro platelet aggregation induced by adenosine 5'-diphosphate (ADP) (10 microm) with an IC(50) value of 1.8 microm. Clopidogrel AM similarly inhibited platelet aggregation with an IC(50) value of 2.4 microm. Similar results were also observed for ADP-induced (10 microm) decreases in prostaglandin E(1)-stimulated rat platelet cAMP levels. These results indicate that both AMs have similar in vitro antiplatelet activities. CONCLUSIONS: The greater in vivo antiplatelet potency of prasugrel as compared to clopidogrel reflects more efficient in vivo generation of its AM, which demonstrates similar in vitro activity to clopidogrel AM. 相似文献
55.
KAZUO YAMADA MD SHIGENOBU KANBA MD PHD WANG ZU-CHENG MD EIJI SUZUKI MD FANG YI-YU MD YAN HE-GIN MD MASASHI NIBUYA MD GOHEI YAGI MD PHD MASAHIRO ASAI MD PHD 《Psychiatry and clinical neurosciences》1996,50(5):291-294
Abstract In order to investigate the biological mechanisms underlying the clinical efficacy of clozapine, 200 mg/day of clozapine was added to the drug regimens of 19 patients with chronic, anti-psychotic-resistant schixophrenia, and the plasma homovanillic acid (HVA), clozapine concentrations, anti-dopamine D2 and anti-serotonin 5-HT2 receptor activities were measured. After 28 days, six patients showed an improvement of more than 20% over baseline Brief Psychiatric Rating Scale (BPRS) scores. Mean plasma HVA concentrations and anti-D2 receptor activities did not change significantly in the entire group or in the six patients showing improvement. However, anti-5-HT2 receptor activities increased significantly in all 19 patients. Changes in BPRS scores did not correlate significantly with changes in plasma HVA or with changes in clozapine concentrations, or with anti-D2 and anti-5-HT2 receptor activities. 相似文献
56.
ISAO NAKANO YOSHIHIDE FUKUDA YASUO KOYAMA FUMIHIRO URANO MASAHIKO YAMADA YOSHIAKI KATANO AKIKO MARUI KAZUMI IMADA TETSUO HAYAKAWA MASAFUMI ITO YORIKO YAMASHITA MASAMI IMOTO YASUNI NAKANUMA 《Journal of gastroenterology and hepatology》1996,11(4):411-415
In 1981, a 26 year old man occasionally demonstrated elevated serum transaminase concentrations. He had no history of medication, or a personal or family history of jaundice, except for prolonged physiological jaundice as a neonate. Serum hepatitis B surface antigen, hepatitis C virus antibody and anti-mitochondrial antibody were absent. A wedge biopsy specimen revealed ductular proliferation, mild inflammation of the portal area and disappearance of bile ducts from 80% of the portal tracts. Serial sections demonstrated a vanishing bile duct. Endoscopic retrograde choledo-chopancreatography, portography and arteriography demonstrated no abnormalities. In 1994, the patient died of hepatic failure following a 12 year observation period. He was subsequently diagnosed with idiopathic adulthood ductopenia on the basis of the criteria proposed by Ludwig. 相似文献
57.
KOUICHI ASAI MASUMI INAGAKI YOSHIHIRO MAEGAKI TOSHIYUKI YAMAMOTO ICHIRO SUZAKI SHIGERU OHTA 《Pediatrics international》1994,36(4):431-434
We present here an early-onset case of multiple sclerosis (MS) with thalamic lesions. The patient first experienced an episode of ataxic gait at 2 years 3 months of age, with spontaneous remission within 1 month. At 5 years 4 months, she was admitted because of cerebellar ataxia, oculomotor restriction and feeding difficulty. Magnetic resonance imaging (MRI) showed multiple well-defined lesions in the white matter of the cerebellum, mid-brain, periventricle and right frontal lobe. Cerebrospinal fluid (CSF) showed a mild elevation of both immunoglobulin G (IgG) and myelin basic protein (MBP). Serum anti-myelin antibody was also positive, although leukocytosis and elevation of C-reactive protein were not found. Methylprednisolone pulse therapy relieved symptoms within 2 weeks and the abnormal MRI and CSF findings gradually improved. At 6 years 6 months of age, she incurred a third episode of cerebellar ataxia and disturbance of consciousness. Magnetic resonance imaging revealed recurrence and extension of the previous lesions as well as new lesions in the thalamus and internal capsule. CSF IgG and MBP level showed a higher elevation than in the second episode. The combination of the cerebellar, brain-stem, cerebral and thalamic lesions with remission and exacerbation, supported by MRI and CSF findings, allowed the diagnosis of clinically definite MS to be made. This is one of the youngest cases of MS yet described, with the first attack occurring at 27 months of age. In addition, this case is unique for the involvement of the gray matter in the thalamus. 相似文献
58.
Effects of magnesium sulphate on suxamethonium-induced complications during rapid-sequence induction of anaesthesia 总被引:1,自引:0,他引:1
Twenty patients were studied in a double-blind manner to investigate whether magnesium sulphate, when given during a rapid-sequence induction of anaesthesia, lessens the side effects caused by suxamethonium. Patients were randomly allocated to two groups; equal volumes of either magnesium sulphate (40 mg.kg-1) or saline were given during rapid-sequence induction of anaesthesia, after thiopentone but before the administration of suxamethonium (1.5 mg.kg-1). The changes in the serum potassium concentration, the degree of muscle fasciculations and the presence of postoperative myalgia were recorded. The mean serum potassium concentration increased by 0.08 mmol.l-1 in the magnesium group and by 0.1 mmol.l-1 in the control group at 2 min after injection of suxamethonium; in neither group was there a significant increase from baseline values. The systolic blood pressure and heart rate increased in both groups after tracheal intubation. The incidence of fasciculations was significantly lower in the magnesium group. Magnesium did not clinically prolong muscle relaxation. There was no difference between the groups in the incidence of myalgia after surgery (one patient in each group). Since no significant increase in the serum potassium concentration was demonstrated, no assessment could be made of the effect of magnesium sulphate on the serum potassium concentration after administration of suxamethonium. 相似文献
59.
YASUYUKI SASAKI AKIKO FURIHATA KAZUHIRO SUYAMA 《Pacing and clinical electrophysiology : PACE》1995,18(8):1479-1486
Signal-averaged (SA) electrocardiography and SA electrocardiographic mapping were performed in 50 patients with old myocardial infarction, 19 of whom had left ventricular aneurysm and 11 of whom had clinical sustained ventricular tachycardia.The SA electrocardiogram and SA electrocardiographic mapping data were then compared with those obtained by endocardial catheter mapping in patients with or without fragmented electrograms, sustained ventricular tachycardia, and ventricular aneurysm. Compared to SA electrocardiography, the SA map correlates with sustained VT with improved sensitivity but decreased specificity. However, SA electrocar diographic mapping had the advantage of displaying the extent of the body surface area that was positive for late potentials. In addition, the site of the longest endocardial fragmented electrogram could be predicted by SA electrocardiographic mapping, suggesting that this technique deserves wider clinical application.signal-averaged electrocardiography, signal-averaged electrocardiographic mapping, late potential, sustained ventricular tachycardia 相似文献
60.
KAZUO YAMADA IYOKO ASHIKARI KIMIO ONISHI SHIGENOBU KANBA GOHEI YAGI MASAHIRO ASAI 《Psychiatry and clinical neurosciences》1995,49(4):237-238
Abstract Nilvadipine is a calcium channel inhibitor used commonly for the treatment of cerebrovascular insufficiency. We observed two patients with schizophrenia whose psychiatric symptoms and tardive dyskinesia improved after the addition of nilvadipine to their antipsychotic drug regimen. The total score of the brief psychiatric rating scale (BPRS) in case 1 fell from 56 to 42 after 8 weeks on nilvadipine; while that of case 2 fell from 44 to 32. The total score of the abnormal involuntary movement scale (AIMS) in case 2 decreased from 12 to 7. No adverse effects occurred during treatment. Nilvadipine may thus offer a new approach to the adjunctive treatment of schizophrenia. 相似文献