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Biomedical subjects

F Yasuma

Publications and source records attributed to F Yasuma.

At least 55 records · Page 3Linked to original sources
PubMed1989

[Sleep disturbances complicated by surgical stress; a questionnaire survey of 50 patients].

A questionnaire survey of sleep disturbances was undertaken in 50 adult surgical patients to examine the prevalence of insomnias complicated with surgical stress. The survey about nocturnal sleep conditions was performed for consecutive four nights from two days before surgery. Defining early awakenings, difficulty of initiating or maintaining of sleep as manifestations of insomnias, the incidence of insomnias amounted to 72.9% on the night of two days before surgery, 72.0% on the night before surgery, 86.0% on the night of surgery, and 86.6% on the first night after surgery. High incidence of sleep disturbances complicated with surgical stress is noteworthy in the field of perioperative care.

Adult↗
PubMed1987

Congenital central alveolar hypoventilation (Ondine's curse): a case report and review of the literature.

Congenital central alveolar hypoventilation (C-CAH), so called Ondine's curse, is known to be quite a rare neuropathology that has been reported in only 23 cases to date. C-CAH was diagnosed in a 2-year-5-month-old infant. In the treatment of C-CAH, we implanted a right unilateral diaphragm pacemaker in the infant and his respiratory status was remarkably improved after diaphragm pacing. Twenty-three reported cases of this disorder are reviewed in the literature.

Child, Preschool↗
PubMed1985

[Central alveolar hypoventilation as a complication of massive intracerebellar hemorrhage: report of a case treated by diaphragm pacing].

The author reported a case of central alveolar hypoventilation (Ondine's curse) which was treated by diaphragm pacing. A 59-year-old man was admitted because of sudden deep coma and tetraparesis. Neurological examination on admission showed miotic pupils with absent light reaction, no oculocephalic reflex, no corneal reflex and tetraparesis. Glasgow scale was evaluated to be E-1 V-1, and M-3 with total of 5 points. Computed tomography confirmed a large hematoma in the cerebellum with ventricular rupture. Immediately, a suboccipital craniectomy was performed and the hematoma was evacuated. His neurological condition was improved gradually within a month after the operation. He responded to verbal orders and moved all his limbs against gravity. His respiration, however, was irregular with a pattern of so-called "cluster breathing" followed by prolonged apnea, that was more pronounced in night. He was suffered from hypoxic hypercapnea and recurrent pneumonia. Therefore, authors decided to employ diaphragm pacing for management of central alveolar hypoventilation. A diaphragm pacemaker (radiofrequency induction) was implanted. A cuff electrode was put around the right phrenic nerve in the right thorax, and the receiver installed subcutaneously in the right anterior chest. Postoperative respiratory study showed ventilation on pacing with satisfactory blood gas and he became able to move around using a wheel chair. In 1966 Glenn demonstrated a new technique to move the diaphragm paced by a receiver through the phrenic nerve, triggered by radio wave from external device.(ABSTRACT TRUNCATED AT 250 WORDS)

Cerebellar Diseases↗
PubMed1985

[Treatment of post-infarction ventricular septal perforation].

Recently clinical course of ventricular septal perforation following myocardial infarction is made clear. It is concluded that postinfarction ventricular septal perforation constitutes a surgical emergency. However, cardiac function of these patients are not fully evaluated, as full-cardiac catheterization including coronary angiography is hazardous. The timing of surgical intervention must be determined according to the non-invasive evaluation such as echocardiogram. In this report, we review our experience with postinfarction ventricular septal perforation and attempt to determine from this review the management of these patients. Our cases are classified into three categories. Group 1 showed cardiogenic shock state after onset of ventricular septal perforation. Group 2 had severe congestive heart failure and required inotropic support. Group 3 had moderate congestive heart failure. Group 1 need emergency operation. Group 2 need intraaortic balloon support and respiratory support after the onset. After then surgical intervention should be considered. Group 3 can be operated on more than 6 weeks after myocardial infarction on an elective basis.

Aged↗
PubMed1984

[Tubular dysfunction after open heart surgery].

beta 2-microglobulin (BMG) and conventional renal function parameters (creatinine clearance (C-cr) etc.) were measured in 36 adult patients before and after open heart surgery (Group-2). Same study was performed in 14 adult patients abdominal surgery (Group-1). Urinary BMG concentration (U-BMG) increased remarkably in both groups immediately after surgery. U-BMG returned to the preoperative level on the 4th postoperative day (4-POD) in Group-1, and 7-POD in Group-2. The degree of increase in Group-2 was remarkable comparing with that in Group-1. The tubular dysfunction after surgery was believed to result in a marked rise in U-BMG, therefore, the later recovery and higher increase of U-BMG in Group-2 indicated that the tubular dysfunction after open heart surgery was severer comparing with that after abdominal surgery. On 7-POD, in Group-2, U-BMG was still abnormal in 13 cases, which suggested the prolonged tubular dysfunction after open heart surgery. A retrospective study to determine the risk factors of prolonged tubular dysfunction was performed in 34 patients in Group-2. Significant risk factors were preoperative blood urea nitrogen and urine osmolarity. Several factors were not significant including perfusion time, aortic alamp time, preoperative C-cr, U-BMG, serum creatinine concentration and free water clearance.

Acute Kidney Injury↗
PubMed1984

[Diaphragm pacemaker implantation: a case report of central hypoventilation due to cerebellar bleeding].

A 60-year-old male developed chronic respiratory failure due to central hypoventilation after cerebellar bleeding. We implanted a diaphragm pacemaker (radio-frequency type) to the patient, and his respiratory status was improved. Although this apparatus devised by Glenn has been widely used in the United States, clinical applications in Japan were rarely reported. Diaphragm pacing might be one of the effective treatments to the patient with chronic respiratory failure. We discussed the indication, mechanical subject and surgical approach concerning diaphragm pacemaker implantation in this paper.

Cerebellar Diseases↗
PubMed1983

[Renal function after anesthesia and abnormal surgery. A comparative study between halothane and epidural anesthesia].

Beta 2-microglobulin (BMG) and osmolarity (OSM) in the plasma and in the urine were measured in 23 adult female patients before and after abdominal surgery. Creatinine clearance (Ccr) and free water clearance (C-H2O) were determined simultaneously. These patients were divided into two groups, the first group receiving halothane anesthesia (n = 14) and the second group undergoing epidural anesthesia (n = 9). Results were summarised as follows. Ccr temporarily increased in both groups on the day of operation (0-POD) and on the 1st postoperative day (1-POD), suggesting a physiological compensation to the increased metabolic and circulatory needs in the post-operative state. Urinary BMG (U-BMG) concentration remarkably increased in both groups after the operation but the plasma BMG levels were unchanged. U-BMG returned to the pre-operative levels on the 4-POD in the 1st group and on the 2-POD in the 2nd group. Tubular dysfunction after anesthesia and surgery is believed to be responsible for this marked rise in U-BMG. The earlier recovery of U-BMG to the preoperative levels in the 2nd group indicates that the tubular dysfunction in epidural anesthesia is probably less in halothane anesthesia. The results of C-H2O and urine OSM studies also indicate the postoperative tubular dysfunction but these parameters may not be so sensitive as U-BMG.

Abdomen↗