1.Effect of hip and knee joint angles in response to a step out movement.
TAKASHI KINUGASA ; TATSUMORI FUJITA ; HIDEHIKO TANAKA
Japanese Journal of Physical Fitness and Sports Medicine 1985;34(1):42-50
The purpose of the present study was to determine whetehr differences exist between nine experimental conditions mixing 10°, 40°and 70°of hip joint angles with knee joint angles, when thirteen subjects performed the same response task. In the experiment 1, each subject was asked to stand on the inside two of the four mat switches (500×700 mm) and keep the assigned joint angles during a second of preparatory period. After the period, each subject was asked to respond with a step out on either the right or the left outside mat switch as quickly as possible. Then the data was collected analyzing the whole body choice response time (RESPONSE TIME) defined as the interval time from the signal to respond with step out, the whole body choice reaction time (REACTION TIME) defined as the interval time from the signal to reaction with lifting the leg for responding to the step out, and the movement time (MOVEMENT TIME) defined as the interval time subtracting RESPONSE TIME from REACTION TIME. Moreover, in the experiment 2, the data was collected and analyzed from the onset time of various forces from the two force platforms on which each subject stood instead of the mat switch and EMG which was led from the right side of m. rectus femoris, m, biceps femoris, m. gastrocnemius, m. tibialis anterior and the left side of m. quardriceps femoris, during performance of the response task. The results were as follows:
1. The subjects' posture with each 70°flexion of the hip and the knee joint revealed the shortest RESPONSE TIME, because of the shortened MOVEMNT TIME, compared with the other posture. Conversely, the posture with 70° flexion of the knee joint showed an expanded REACTION TIME.
2. The knee joint angle was an important factor effecting both REACTION TIME and MOVEMENT TIME, rather than the hip joint angle for the task of the experiment, since flexion of the knee joint expanded the REACTION TIME, but shortened the MOVEMENT TIME.
3. The result of the force platform measurements indicated that the posture with each 70°flexion of the hip and the knee joint was shorter than that with each 10°flexion of them at the onset time of the first reaction force after the reaction signal, and that the order of response for the task was beginning at the leg for responding, followed by the other leg for keeping stability.
4. Conclusive evidence for a shortened RESPONSE TIME was found in the facilitation of the central nervous system, which revealed the preliminary muscle activity and the stabilizing of the posture.
2.A Case of Pulmonary Valve Papillary Fibroelastoma
Akiko Tanaka ; Takaki Sugimoto ; Takashi Kitade
Japanese Journal of Cardiovascular Surgery 2005;34(5):334-336
Papillary fibroelastoma (PFE) is a benign tumor accounting for approximately 8% of cardiac tumors. We report a 64-year-old woman with pulmonary valve PFE associated with atrial septal defect. It was detected by a transesophageal echocardiography as a fluttering mass clinging to the pulmonary valve, and was simply removed concomitantly with a patch closure of atrial septal defect. In a review of the past literature, 43 surgical cases of PFE have been reported in Japan, and aortic valve, mitral valve and left ventricle PFE was commonly encountered in 81%. Pulmonary PFE is very rare, and only one case has been reported apart from the present one.
3.DIFFERENTIAL DIGITAL PHOTOPLETHYSMOGRAPHIC ANALYSIS OF MICROCIRCULATORY RESPONSES INDUCED BY ARM POSITION CHANGE AND IMAGE LOADING IN KENDO MASTERS
YUKIO TANAKA ; KAZUMI EGUCHI ; TAKASHI ITO ; TAKASHI TAKEMIYA
Japanese Journal of Physical Fitness and Sports Medicine 2004;53(2):235-244
The purpose of this study was to investigate the differences and effects of positional loading (arm position change) and image loading in Budo (martial arts) competitors, mainly kendo (Japanese fencing) masters. The microcirculatory responses were measured by differential digital photoplethys-mography (ΔDPG) using the characteristics of Budo mental attitude, experience and skill as para-meters.
The subjects were 7 kendo masters of the fifth grade or higher with mean experience of 29 years, 7 kendo athletes, 7 kyudo (Japanese archery) athletes, 5 karate athletes in university sports clubs and 9 middle-aged controls. Positional loading induced myogenic responses and image loading for examining sympathetic effects via the central nervous system on peripheral circulation were mea-sured in the subjects at rest in a sitting position. The following results were obtained
The increase in the . ΔPG-P wave height in response to positional loading was markedly larger in the kendo masters. In particular, the increase when raising the right arm was significantly higher in the kendo masters than in the kyudo and karate athletes (P<0.05) . The decrease in the ΔDPG-P wave height when lowering the right arm was smallest in the kendo masters. There were differences in the peripheral vascular responses between kinds of Budo and levels of skill, which were induced by differences at the time of arm raising.
The DPG-P wave height was significantly lower during stress imaging than before loading in all subjects. The effect of stress imaging was smallest in the kendo masters, and markedly large in the kyudo athletes (P<0.05) . During relaxation imaging, an increase in the ΔDPG-P wave height was observed in the kendo masters alone, and the occurrence of vascular dilation was confirmed.
These results suggest that arteriolar responses of kendo masters are flexible and stable despite their long training period ; and the control and regulation of muscle vascular tone is well-maintained via the central nerve-sympathetic and myogenic coupling.
4.Pulmonary Vein Isolation for Chronic Atrial Fibrillation Associated with Mitral Valve Disease.
Hiroyuki Tanaka ; Kazuhiro Suzuki ; Takashi Narisawa ; Takashi Suzuki ; Toshihiro Takaba
Japanese Journal of Cardiovascular Surgery 2001;30(3):122-125
Pulmonary vein isolation procedure was performed for atrial fibrillation associated with mitral valve disease in twelve patients. This simple procedure consisted of only isolation of the four pulmonary veins. Combined mitral valve surgery consisted of mitral valve plasty, mitral valve replacement with or without aortic valve replacement and tricuspid annuloplasty. Ten patients returned to a sinus rhythm. Two patients required DDD pacemaker implant for sick sinus syndrome. Left atrial contraction was detected in eight cases by trans-esophageal echography. Compared with the maze procedure, this operation was less invasive and preserved atrial appendage, helping to maintain normal secretion of atrial natriuretic peptide. This study suggests that the pulmonary vein isolation procedure may be an effective and simple maneuver for atrial fibrillation associated with mitral valvular disease.
5.Assessment of Types of Menstrual Migraine Treated with Periodical Application of Goreisan in Combination with Goshuyuto
Yoko KIMURA ; Akira TANAKA ; Hiroshi SATO ; Takashi ITO
Kampo Medicine 2017;68(1):34-39
Background : Menstrual migraine is more resistant to treatment than that of nonmenstrual episodes. Hormonal progesterone changes may cause sui (water/fluid) disturbance, in Kampo medicine terms. We therefore treated patients with menstrual migraine in which goshuyuto was ineffective, with the combination of goreisan and goshuyuto.
Subjects & Methods : Subjects were 37 female patients with coldness (mean age 37 years, age range 23-48 years), whose migraine during their intra-menstrual periods was successfully treated with goshuyuto for 3 months. In order to treat migraine in the menstrual period, goreisan was added to goshuyuto from 1 week before onset, until the end of their menstrual period. Results : Among 37 patients, the treatment was effective in 26 patients (70%). Significant variables were found to be dull headache (p = 0.003), edema (p = 0.006), vertigo (p = 0.014) and oliguria (p = 0.014) during attacks, as well as worsening before rain (p = 0.004). Conclusion : The periodical combination of goreisan and goshuyuto seems to be effective in patients with menstrual migraine who report symptoms of sui disturbance, such as dull headache and oliguria during their attacks.
6.Hydrocephalus Associated with Minor Intraventricular Hemorrhage in Patient Undergoing Maintenance Hemodialysis
Eriko Eguchi ; Shinsui Tatsumi ; Atsuo Tanaka ; Takashi Kuwahara
General Medicine 2014;15(1):63-67
A 72-year-old woman on dialysis acutely developed disturbed consciousness and severe hypertension. Head computed tomography (CT) demonstrated only ventriculomegaly without bleeding. Her consciousness level further deteriorated after dialysis using heparin, and subsequent head CT revealed a new, minor intraventricular hemorrhage. Hemorrhage-associated hydrocephalus was diagnosed, and the installation of a ventriculoperitoneal shunt resulted in good recovery. The patient might have experienced minor repeated bleeding and developed latent post-hemorrhagic hydrocephalus. Even minor bleeding could cause acute exacerbation of hydrocephalus; therefore, clinicians should be alert to hydrocephalus when a dialysis patient develops disturbed consciousness without any evidence of stroke on head CT.
7.Efforts for Perioperative Care in Children with Congenital Heart Defects
Yuki Tanaka ; Takashi Miyamoto ; Shuichi Yoshitake ; Takeshi Yoshii ; Yuji Naito
Japanese Journal of Cardiovascular Surgery 2015;44(1):1-7
Background : Perioperative care in congenital heart surgery has evolved in recent years, and it was considered a contributive factor to improve surgical outcome and prognosis. Objective : To extract perioperative clinical protocols that have been applied in our hospital, then assess their usefulness for better clinical outcome. Methods : We retrospectively reviewed our patients' records to analyze representative perioperative protocols that might have contributed to surgical outcome, such as intraoperative transesophageal echocardiography (ITEE), extubation in the operating room on patients of atrial septal defect (ASD), ventricular septal defect (VSD), tetralogy of Fallot (TOF), Glenn procedure and Fontan procedure. We also assessed clinical pathway of ASD and VSD, and each protocol was individually explored to calculate achievement ratio in order to show its adequacy. Results : This study included 482 of on-pump surgery patients and 146 of off-pump surgery patients from June 2007 to June 2014. ITEE was performed in 474 of on-pump surgery patients and 102 of off-pump surgery patients. No case had a residual lesion immediately after operation. Extubation in the operating room was performed in cases without severe pulmonary hypertension (PH). The extubation ratio was 94.7% (ASD repair), 60.0% (VSD repair), 50.0% (TOF repair), 42.5% (Glenn procedure), and 45.2% (Fontan procedure), respectively. Clinical pathways of ASD and VSD included patients without severe PH. Achievement ratio of the clinical pathway was 98.2% in ASD and 94.2% in VSD patients, respectively. Four patients were excluded because of high c-reactive protein (CRP), and one patient because of familial circumstance. Conclusion : ITEE was useful in evaluation of cardiac function, residual issue and residual air at weaning of cardiopulmonary bypass. Reintubation did not occur in any clinical course of extubation in the operating room, but the extubation rate was not high because of safety concerns. Achievement ratio of the clinical pathways of both ASD and VSD was more than 90%, therefore, application of the clinical pathway was considered appropriate.
8.Four cases in which octreotide treatment relieved symptoms of gastrointestinal bleeding in end―stage cancer patients
Naoko Kudo ; Takashi Maeda ; Kozue Suzuki ; You Tei ; Keiko Tanaka
Palliative Care Research 2014;9(4):523-527
Background:Although octreotide is effective in the relief of symptoms of gastrointestinal obstruction, it is also effective for gastrointestinal bleeding. It has been reported that octreotide reduced the splanchnic blood flow, and reduced the bleeding from esophageal varices, peptic ulcer and the tumor of gastrointestinal tract. We experienced four cases of end―stage cancer patients admitted to a palliative care unit whose symptoms of gastrointestinal bleeding were alleviated by octreotide(300μg/day). Case:Case 1;A 75―year―old woman with gastric cancer developed melena and received octreotide. After octreotide was discontinued, melena and hematemesis recurred. Octreotide was restarted subsequently, and hematemesis resolved. Case 2;An 87―year―old woman with gastric cancer received octreotide for increase of bloody drainage from a stomach tube. She had epigastric pain and emotional distress from the blood. These symptoms were alleviated following the administration of octreotide. Cases 3 and 4;A 76―year―old man with gastric cancer and a 62―year―old man with bile duct cancer received octreotide for massive vomiting of blood. After the administration of octreotide, there was no reoccurrence of hematemesis in both patients. Conclusion:Octreotide may alleviate symptoms of gastrointestinal bleeding in end―stage cancer patients.
9.Liver, Muscle, and Insulin Resistance in Obese Subjects: Exercise Effects
Junichi Shoda ; Sechang Oh ; Takashi Shida ; Kiyoji Tanaka
Japanese Journal of Physical Fitness and Sports Medicine 2015;64(2):217-226
Both westernization of diet and lifestyle habits and chronic inactivity have accelerated the obese population in Japan. Obesity is defined as being a condition in which the excessive energy is stored in the body as fat. Irrespective of organs and tissues, excessive fat accumulation impairs their structure and function, that is, ectopic adiposis. These days, the rapid increase in the number of adult people with abnormal liver function associated with obesity is largely attributed to an increase in the incidence of non-alcoholic fatty liver disease (NAFLD), a chronic liver disease accompanying fat accumulation. In Japan, about 30% of obese people suffer from NAFLD. About 10% of NAFLD progresses to non-alcoholic steatohepatitis (NASH). NASH is a progressive disease leading to liver cirrhosis. Any treatment with consensus other than diet restriction and exercise training is ineffective for the prevention of onset and progression of NAFLD. The important thing is a practice of suitable amounts of exercise, since it maintains muscle volume, increases the utilization of glucose, and attenuates insulin resistance, all of which may contribute to a decease in hepatic fat accumulation levels. It may be of great significance to practice exercise training for patients with chronic liver disease for improving the liver pathophysiology of NAFLD. In this review, first, the onset mechanism for NAFLD in obese subjects is summarized; second, beneficial effects of exercise on liver pathophysiology of NAFLD are reviewed based on the data from a weight reduction program consisting of dietary restriction plus aerobic exercise; and finally, medical support of obese patients with NAFLD in Tsukuba University Hospital are introduced.
10.Five Cases of Alzheimer's Type Dementia Showing Behavioral and Psychological Symptoms of Dementia (BPSD) Successfully Treated with Yokukansan
Katsuyoshi MIZUKAMI ; Kimitaka HATANAKA ; Yoshiro TANAKA ; Takashi ASADA
Kampo Medicine 2006;57(5):655-660
We described here five patients with Alzheimer's disease (AD) who have behavioral and psychological symptoms of dementia (BPSD), and who have shown a remarkable improvement as a result of Yokukansan treatment. All five patients exhibited irritability and excitement, four of the patients suffered from aggression and insomnia, and three suffered from wanderings. All of the patients started recovering from these symptoms within 1-2 weeks from the start of the treatment, without any adverse reaction. In conclusion, our case study suggests that Yokukansan is a safe and effective treatment for AD patients with BPSD. Our study further suggests that Yokukansan is especially useful for patients who are difficult to treat with neuroleptics, such as patients with insomnia and wandering, patients exhibiting a depressive state as well as irritability and excitement, and those with physical symptoms, including gait disturbances and urinary incontinence.