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101.
Safety of outpatient tonsillectomy and adenoidectomy   总被引:6,自引:0,他引:6  
Recent changes in reimbursement for tonsillectomy and adenoidectomy have resulted in a large number of these procedures being done on an outpatient basis. There is still considerable controversy, however, as to the safety of this concept. We reviewed the charts of 1000 consecutive patients who underwent these procedures. Three hundred ninety-six procedures were performed as inpatient surgery and 604 were performed as outpatient surgery. Patients were considered as candidates for outpatient surgery if they met specific criteria, such as good overall medical health, no central apnea, normal bleeding history and profile, and had adequate social considerations. The inpatient group included those patients who did not meet the criteria to be outpatients. We compared the complication rates of these two groups with regard to age, type of procedure performed (tonsillectomy, adenoidectomy, adenotonsillectomy), and indication for surgery in order to determine if there was any increased risk of outpatient surgery, despite strict selection criteria. The two groups were similar in their distribution with regards to age, sex, type of procedure, and indication for surgery. The overall complication rate for the entire group was 7.9%, with an 11.8% complication rate for inpatients and 4.1% complications for outpatients. The higher complication rate among the inpatient group is probably a direct result of the selection process because this group included the higher-risk patients. On the basis of these findings, we believe that surgery of the tonsils and adenoids can be performed safely as an outpatient procedure, regardless of age, indication, or procedure, if the candidates for ambulatory surgery are carefully selected by the surgeon.  相似文献   
102.
103.
Few studies have investigated the reproductive effects of exposure to chemical mixtures. The purpose of this study was to assess fertility in males exposed to mixed industrial and domestic wastes. A detailed reproductive history was obtained from the wives of 231 employees in order to evaluate fertility. Daily work records were used to define exposure status. To ascertain problems of infertility, the ratios of observed live births to expected live births (generated from U.S. birth probabilities) for exposed and nonexposed groups were calculated, and the ratios of these Standardized Fertility ratios (SRFs) were compared. Other analyses considered the couples' contraceptive history and preexposure versus postexposure experience. Though multiple statistical approaches were used to examine the data, the conclusion of this study was that exposure to chemical mixtures was not associated with a decrease in the couples' fertility.  相似文献   
104.
Rats were exposed ad libitum to a diet containing either 500 ppm lead (Group Lead-Diet) or a control diet with no added lead (Group Control-Diet). On Day 60 both groups were presented with a 15% ethanol solution (nonchoice test) in the home cage for five days prior to placement on a choice test that presented animals with a 10% ethanol solution and tap water. Concurrently with the choice test in the home cage, animals were placed in operant chambers for one hr (pre-avoidance) prior to a 30 min free operant avoidance session (avoidance) and remained there for one hr (post-avoidance) after training. Throughout avoidance training, the choice test was conducted in the chamber as well as the home cage. In addition to evidence of greater ethanol consumption by Group Lead-Diet rats, the results showed that these animals lever pressed more frequently, but not more efficiently, than Group Control-Diet animals.  相似文献   
105.
Latex condom deterioration accelerated by environmental factors: I. Ozone   总被引:1,自引:0,他引:1  
Commercial non-lubricated latex condoms were unpackaged and exposed in an environmental chamber to ozone levels (0.3 ppm) commonly present in urban smog conditions. Deterioration was observed by scanning electron microscopy after 18 hours exposure. Loss of mechanical strength was quantitated by measurement of the air pressures necessary to burst the condom and volumes at burst. After 24 hours exposure to ozone the latex surface was covered with craters and after 48 hours the pressure required to burst the condom was 44% that of control samples. Data suggest the need for study of the effectiveness of lubrication and packaging in protecting condoms from environmental factors which may accelerate deterioration.  相似文献   
106.
The usefulness of urinary RNA catabolites as markers for the early detection of a transplantable rat tumor and for the completeness of its resection was evaluated. The lack of correlation between tumor growth or size and the time of appearance of the elevated catabolites precludes their use for the early detection of cancer in this model. Complete removal of the tumor restored the elevated levels to normal but, if regrowth occurred, the elevated levels persisted, suggesting their possible use in monitoring the effectiveness of surgery. The data suggest that increased excretion of RNA catabolites is derived primarily from host tissue.  相似文献   
107.
Summary A 47-year-old man undergoing supervised alcohol detoxification developed severe liver disease after receiving small doses of acetaminophen. Autopsy revealed extensive hepatic necrosis. Proposed mechanisms for alcohol potentiation of acetaminophen hepatotoxicity are described. We feel acetaminophen should not be routinely used for patients with active alcoholism unless its safety can be established.  相似文献   
108.
109.
The purpose of the 23 year follow up study was to determine the relationship between trauma variables including measures of head injury and very long-term sequelae. The study included 159 individuals with a mean age 31.40 years, of whom approximately 90% were admitted to hospital with a mild head injury during childhood (mean age 7.96). Extent of head injury was determined by unconsciousness, neurological status, skull fracture, EEG, post-traumatic seizures and a composite measure. The composite measure of neurological variables was the best predictor of long-term outcome. In addition, IQ recorded in the post-acute phase was a reliable predictor of long-term outcome. Of the sample, 32.7% reported physical complaints and 17.6% reported current psychological/psychiatric problems unrelated to the head injury. Subjective sequelae (physical, intellectual and emotional) specified as due to the head injury were reported by 31% of the sample, and the sequelae were found to be related to the extent of the head injury and initial IQ. There were no discernible relationships between attribute variables including premorbid status and age with subjective sequelae. There were, however, significant relationships between subjective sequelae and objective, psychosocial measures of adaptation including educational lag, unemployment, current psychological/psychiatric problems and relationships with family members. Finally, there appeared to be continuity of complaints elicited during the five year follow up of the original project and current sequelae. The severity of the head injury was identified as the primary contributory factor in the reconstitution process and in the prediction of long term outcomes.  相似文献   
110.
In no known culture in the world is childbearing treated with indifference. Cultural beliefs about and values associated with childbearing touch all aspects of social life in any given culture. Such beliefs and values lend perspective to the meaning of childbirth to the childbearing woman. Having the opportunity to share the woman's perceptions of the meaning of childbearing may foster the self-actualization, promote maternal role attainment, and improve her relationship with her significant other and enrich the family perspective. Nursing interventions across the childbearing year should be culturally sensitive to promote positive outcomes for the woman and her family.  相似文献   
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