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Cardiac output by electrical bioimpedance. 电生物阻抗测定心输出量。
Health technology assessment reports Pub Date : 1989-01-01
H Handelsman
{"title":"Cardiac output by electrical bioimpedance.","authors":"H Handelsman","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Continuous CO measurement by EB is a highly technical issue requiring expert opinion for evaluation. At present, the NIH, American Society of Anesthesiologists, and the American College of Cardiology consider continuous CO monitoring by EB to be investigational. However, EB has numerous advantages when compared with other presently available techniques. Consequently, advances may require that the OHTA conduct another assessment in the near future. The NIH suggested that the use of EB on a noncontinuous basis in selected patients to measure changes in CO (but not the absolute value of CO) is reasonable. If the use of EB on a continuous basis is contemplated, then studies should be conducted to determine the safety of long-term electrical input into the thorax. Electrical bioimpedance should not be used in patients with pacemakers and may be inappropriate in patients with regurgitant valvular heart disease, intracardiac shunts, arrhythmias, ventricular asynchrony, tachycardia, hypertension, significant airway obstruction, or in patients undergoing therapy such as atropinization, all of which may change the shape of the dZ/dt waveform.</p>","PeriodicalId":77156,"journal":{"name":"Health technology assessment reports","volume":" 3","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"1989-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13766492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Guidelines for home air-fluidized bed therapy, 1989. 家庭空气流化床治疗指南，1989。
Health technology assessment reports Pub Date : 1989-01-01
K Nimit
{"title":"Guidelines for home air-fluidized bed therapy, 1989.","authors":"K Nimit","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Air-fluidized bed therapy (AFBT) is a pressure-relief system that employs the principle of body \"flotation\" on fine ceramic beads which are set in motion by warm pressurized air. AFBT has been used in the management of pressure sores or severe burns in the institutional setting. The safety and effectiveness of AFBT in the treatment of pressure sores have been established by a randomized controlled clinical trial. Nonpublished information on home AFBT tends to support these findings. It is well accepted by the clinical community that home use of AFBT for the treatment of pressure sores in certain patients can be an alternative to hospitalization when ordered by a physician. Home use can be optimized by applying patient selection criteria and treatment protocol. Assistance by a trained caregiver or provider is essential in the home management of patients with pressure sores receiving AFBT.</p>","PeriodicalId":77156,"journal":{"name":"Health technology assessment reports","volume":" 5","pages":"1-11"},"PeriodicalIF":0.0,"publicationDate":"1989-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13770421","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Public health service. Reassessment autologous bone marrow transplantation. 公共卫生服务。重新评估自体骨髓移植。
Health technology assessment reports Pub Date : 1988-01-01
H Handelsman
{"title":"Public health service. Reassessment autologous bone marrow transplantation.","authors":"H Handelsman","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":77156,"journal":{"name":"Health technology assessment reports","volume":" 3","pages":"1-18"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14210383","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reassessment of transillumination light scanning for the diagnosis of breast cancer. 透视光扫描对乳腺癌诊断的再评价。
Health technology assessment reports Pub Date : 1988-01-01
{"title":"Reassessment of transillumination light scanning for the diagnosis of breast cancer.","authors":"","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Transillumination light scanning is a non-x-ray, noninvasive modality that uses low-intensity emissions of red and near infrared light to visualize the tissues of the breast. The absorption characteristics of the emitted light from the breast tissues are fed into a computer that transforms the analog signals into varying degrees of color saturation hues, ranging from blue to red. The basic premise for the use of transillumination is that breast cancer, because of its increased blood supply, absorbs more near infrared radiation than benign tissue. Thus, abnormal or malignant breast tissues appear blue on the light scan, while normal breast tissues appear red. The safety and lack of risk of radiation exposure of this technique have been demonstrated.</p>","PeriodicalId":77156,"journal":{"name":"Health technology assessment reports","volume":" 2","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14210753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Public health service. Reassessment of cardiokymography, 1988. 公共卫生服务。心脏心电图的重新评估，1988。
Health technology assessment reports Pub Date : 1988-01-01
H Handelsman
{"title":"Public health service. Reassessment of cardiokymography, 1988.","authors":"H Handelsman","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":77156,"journal":{"name":"Health technology assessment reports","volume":" 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14210381","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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