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1.
Asian Spine Journal ; : 928-934, 2015.
Article in English | WPRIM | ID: wpr-126906

ABSTRACT

STUDY DESIGN: Prospective comparative study. PURPOSE: To compare the incidence and severity of adverse reactions associated with myelography performed in outpatients vs. in inpatients and report the safety and usefulness of outpatient myelography in Japanese patients. OVERVIEW OF LITERATURE: Myelography is normally performed as an inpatient procedure in most hospitals in Japan. No studies have reported the usefulness and adverse effects of outpatient myelography in Japanese patients. METHODS: We performed 221 myelography procedures. Eighty-five of the 221 patients underwent outpatient myelography using our new protocol. The incidence and severity of adverse reactions were compared with the other 136 patients, who underwent conventional inpatient myelography. We further compared the cost of outpatient and inpatient myelography. RESULTS: The overall rate of adverse effects was 9.4% in outpatients, as compared with 7.4% in inpatients. Overall, 1.2% of outpatients and 0.74% inpatients experienced "severe" adverse effects (requiring hospitalization). There were no significant differences between the 2 groups in either the overall rate of adverse effects or the rate of "severe" adverse effects. Moreover, the average outpatient procedure cost was only one-third to one-half that of the inpatient procedure. CONCLUSIONS: This was the first study to address the safety and usefulness of outpatient myelography in Japanese patients. If selected according to proper inclusion criteria for outpatient procedure, no significant differences were observed in the adverse effects between inpatients and outpatients. The outpatient procedure is more economical and has the added benefit of being more convenient and time-efficient for the patient.


Subject(s)
Asians , Health Care Costs , Humans , Incidence , Inpatients , Japan , Myelography , Outpatients , Prospective Studies
2.
Article in Japanese | WPRIM | ID: wpr-366423

ABSTRACT

A 55-year-old man was admitted with a thoracic aortic aneurysm causing wheezing. Computed tomography and angiography revealed a large distal aortic saccular aneurysm, occupying the retrotracheal space and compressing the trachea. There has been only one report of this type of aneurysm. This patient needed emergency intubation because of severe dyspnea caused by premedication for surgery. Replacement of the distal arch was performed via left posterolateral thoracotomy. Profound hypothermia was used during open proximal anastomosis, which helped to make this procedure safe and simple. This patient recovered uneventfully.

3.
Article in Japanese | WPRIM | ID: wpr-366307

ABSTRACT

A 64-year-old man was admitted with intermittent high fever of 4 months duration and with three episodes of arterial embolism in the previous 2 months. Several investigations revealed evidence that those episodes involving bilateral popliteal arteries and the left external iliac artery originated from mycotic emboli. Severe mitral insufficiency due to infective endocarditis was also recognized. The ischemic symptoms improved after medical treatment. Despite antibiotic therapy for 4 weeks, inflammatory signs did not subside. Since aneurysm formation of the left external iliac artery at the embolized portion was detected on CT, mitral valve replacement and aneurysmectomy with femoro-femoral grafting were done concomitantly. Inflammatory signs disappeared immediately after the operation. Pathological findings indicated organization of the mitral vegetation and evidence of active infection in the aneurysm wall. Though aneurysmal change of a symptomatic embolized site is not common, the preoperative evaluation of possible associated mycotic aneurysm is important to decide on surgical strategy for infective endocarditis complicated by embolism.

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