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Biomedical subjects

P Edelman

Publications and source records attributed to P Edelman.

35 records · Page 2Linked to original sources
PubMed1991

The GERI-AIMS. Reliability and validity of the arthritis impact measurement scales adapted for elderly respondents.

We adapted the Arthritis Impact Measurement Scales (AIMS) for use with frail elderly respondents. The new instrument, called the GERI-AIMS, generates both generic and arthritis-specific impairment scores, to control for comorbid conditions that are commonly found in an older population. An analysis of scores obtained on 438 elderly persons (mean age 76) indicated that more than half of the total disability measured by the generic GERI-AIMS scores is related to arthritis. The GERI-AIMS scales have standardized-item alpha levels greater than 0.70 and correlate well with clinical measures of arthritis severity. Information gained by using the GERI-AIMS has important public policy implications, insofar as information on both generic and disease-specific functional impairment is needed to establish priorities for basic research, epidemiologic, and intervention studies.

Aged↗
PubMed1990

The impact of community care on provision of informal care to homebound elderly persons.

This study examined the impact of community care on informal care provided by family and friends to homebound elderly persons. Secondary analyses were conducted on data collected from clients at baseline, 9 months (N = 225), and 48 months (N = 76) after acceptance to community care and home-delivered meals programs. Analyses revealed a significant increase in the amount of formal services provided to both groups of clients at 9 months and to community care clients at 48 months. The increase was attributed to the large proportion of "new" or "supplementary" services provided by agencies. No significant decrease in the amount of service provided by informal caregivers was found. In addition, regression analyses demonstrated only a weak impact of formal service on informal care. Analysis of patterns of service provision for each client demonstrated that formal care supplemented rather than substituted for informal care significantly more often in both the 9- and 48-month samples. We conclude that formal care in general supplemented the efforts of informal caregivers, and that informal caregiving remained stable over time.

Activities of Daily Living↗
PubMed1990

Environmental and workplace contamination in the semiconductor industry: implications for future health of the workforce and community.

The semiconductor industry has been an enormous worldwide growth industry. At the heart of computer and other electronic technological advances, the environment in and around these manufacturing facilities has not been scrutinized to fully detail the health effects to the workers and the community from such exposures. Hazard identification in this industry leads to the conclusion that there are many sources of potential exposure to chemicals including arsenic, solvents, photoactive polymers and other materials. As the size of the semiconductor work force expands, the potential for adverse health effects, ranging from transient irritant symptoms to reproductive effects and cancer, must be determined and control measures instituted. Risk assessments need to be effected for areas where these facilities conduct manufacturing. The predominance of women in the manufacturing areas requires evaluating the exposures to reproductive hazards and outcomes. Arsenic exposures must also be evaluated and minimized, especially for maintenance workers; evaluation for lung and skin cancers is also appropriate.

Arsenic↗
PubMed1987

[Autoimmune abortive disease. A new entity of gynaeco-obstetrical expression].

The relationship between abortive disease and systemic lupus erythematosus is complex as shown by data from the literature and by our 9 patients selected for presenting with abortive disease, circulating anticoagulant and biological signs of autoimmunity. The risk of transformation into a systemic disease is real, although difficult to evaluate in the absence of prospective studies, but the major problem with these patients is the severity of the obstetrical pathology. The sombre foetal prognosis, already reported in the literature, requires close supervision and sustained treatment during pregnancy. For these reasons we suggest calling autoimmune abortive disease the disease which affects women with signs of autoimmunity who have had several, often late foetal deaths associated with the presence of circulatory anticoagulant thought to interfere with placental blood flow.

Abortion, Habitual↗
PubMed1986

[Immunological disorders of coagulation in habitual abortion. Prospective study].

The physiopathological role of antithromboplastin-type circulating anticoagulants in habitual abortion may be envisaged since the presence of antithromboplastin has been reported in most studies on women at high risk of abortion. To avoid a possible statistical bias, we conducted a prospective study in a sufficiently large group of women with habitual abortion (n = 99) compared with a control group of women with normal fecundity (n = 50). In addition, all women were investigated for lupus symptoms. The circulating antibody was detected by the diluted thromboplastin time and activated cephalin time methods. The results were considered positive when the patient/control diluted thromboplastin time ratio was 1.2 and/or when the increase in activated cephalin time was not corrected by a control plasma. In the patients' group, 10 women (10%) had an anti-thromboplastin type circulating anticoagulant, whereas no circulating anticoagulant could be detected in the control group. Three women with circulating anticoagulant had signs of systemic lupus erythematosus. None of the patients presented with Soulier-Boffa syndrome. These data have established a significant correlation between habitual abortion and circulating anticoagulant whilst avoiding statistical bias. Our results suggest that women with idiopathic habitual abortion should be subjected to systematic immunological exploration and that a small number of them should be followed attentively.

Abortion, Habitual↗
PubMed1986

Autoimmunity, fetal losses, lupus anticoagulant: beginning of systemic lupus erythematosus or new autoimmune entity with gynaeco-obstetrical expression?

Among the various autoantibodies commonly found in women with systemic lupus erythematosus, the so-called lupus anticoagulant has been described in association with fetal losses. Recently, women with repeated spontaneous abortions and lupus anticoagulant, but no apparent systemic lupus erythematosus have been described. We have studied prospectively the possible connections between fetal losses and autoimmunity in a large control study of 130 idiopathic habitual aborters. These non-pregnant patients without any antecedent autoimmune disease were explored for the presence for autoantibodies especially lupus anticoagulant. Ten percent of the patients exhibit an antithromboplastin antibody (lupus anticoagulant) and half of this group possesses a striking association of biological manifestations of autoimmunity. In conclusion, two points appear: firstly, statistical correlation is demonstrated between antithromboplastin antibody and habitual abortion; secondly, doubt remains about the significance of the association between autoimmunity, fetal losses and antithromboplastin: beginning of systemic lupus erythematosus or new autoimmune entity with gynaeco-obstetrical expression.

Abortion, Habitual↗
PubMed1986

A monoclonal antibody against an erythrocyte ontogenic antigen identifies fetal and adult erythroid progenitors.

A murine monoclonal antibody (MoAb) designated FA6-152 has been obtained by immunizing mice with fetal erythrocytes. This antibody agglutinates fetal but not adult erythrocytes. Among blood cells, this antibody bound to both adult and fetal monocytes, platelets, and reticulocytes, but did not react with lymphocytes and granulocytes. Fluorescent labeling of marrow cells and of in vitro BFU-E, CFU-GM, and CFU-MK-derived colonies has shown that the antigen defined by FA6-152 MoAb was absent from the granulocytic precursors and was detected on the megakaryocytic lineage at a later stage of differentiation than the platelet-specific markers. In contrast, the antigen appeared as a very early marker of the erythroid differentiation since all erythroblasts, including proerythroblasts, were labeled even before the expression of glycophorin A. Cells from adult marrow and fetal liver were sorted with the FA6-152 MoAb and studied by electron microscopy and cell culture. The negative fraction contained granulocytic, monocytic, and megakaryocytic precursors, whereas the positive fraction was devoid of these precursors and contained monocytes, erythroblasts at all stages of maturation, and a homogeneous population of blasts. Cultures have shown that the only hematopoietic progenitors present in this positive fraction were CFU-E and some BFU-E. The antigenic density was related to the differentiation stage of the erythroid progenitors. In conclusion, this antibody is similar to the previously described 5F1 MoAb (Bernstein and Andrews, J Immunol 128:876, 1982; and Andrews et al, Blood 62:124, 1983) and provides a useful probe for studies leading to improved understanding of normal and malignant erythroid differentiation.

Animals↗
PubMed1984

HLA-DR locus and maternal-foetal relation.

Antigen HLA-A, B sharing couples have been previously observed in abnormal pregnancies of unknown etiology. We have determined the HLA-A, B, C and DR antigens of 20 couples with recurrent spontaneous abortions (RSAs), 32 control couples and 100 normal controls. The results showed that in couples with more than two idiopathic repeated abortions, there is no significant increase in the HLA antigen sharing couples. But we were able to observe, in the affected couples, a significant increase in HLA-DR antigen sharing as regards the control couples. We also find a significant increase in the DR5 antigen, in both wives and husbands, in couples with repeated abortions of unknown etiology as previously described for the Dw5 antigen.

Abortion, Habitual↗
PubMed1981

10-Diopter fixation test for amblyopia.

Fixation-preference testing has been useful in detecting amblyopia in children unable to give reliable visual acuities, except for children with small-angle tropias and those without manifest deviations. This study introduces a method of fixation testing that includes all children, regardless of the presence or size of the deviation. By placing a 10-diopter vertical prism over one eye, we induce a vertical deviation. Once the eyes are dissociated, fixation preference is evaluated and used to predict the presence of amblyopia. We prospectively studied fixation patterns in 98 children with either small-angle tropia or essentially straight eyes. All children with amblyopia of two lines or more showed abnormal fixation patterns, and those without amblyopia showed normal patterns. We were able to obtain fixation patterns on all children studied, including 13 infants less than 24 months of age. This test proved to be a reliable, objective method for detecting amblyopia in children with straight eyes or in children with microstrabismus of almost any age.

Adolescent↗
PubMed1978

Efficacy of bifocals in the treatment of accommodative esotropia.

We treated 84 patients with a partially refractive accommodative esotropia with bifocals. Twelve patients were able to fuse without bifocals at the end of therapy; in 19, the bifocal power could be reduced and further improvement can be expected in the future. Thirty-nine remained dependent on bifocals; and in 14, fusion had deteriorated in spite of therapy. Patients with a high AC/A ratio and those receiving supportive orthoptic treatment seemed to fare best with bifocals. In those with a low AC/A ratio, fusion tended to deteriorate because of a slowly increasing esodeviation at near fixation.

Accommodation, Ocular↗
PubMedDate not supplied

[Value of the study of biological autoimmunity in gyneco-obstetrical pathology].

The relationship between autoimmunity and obstetrical pathology is reviewed in the light of data from the literature and of the authors' own experience. The link, already demonstrated, between recurrent spontaneous abortion and the risk factor represented by antibodies directed against phospholipids (circulating anticoagulant antibodies of the lupus type, anticordiolipin antibody) is described, and the pathogenetic theories concerning these antibodies are presented, together with the treatments used for routine prevention of the foetal and maternal risk (corticosteroids, anti-platelet drugs, heparin). The results of screening for antinuclear antibodies in 354 non-pregnant women are reported. Antinuclear antibodies were present in titers of 1/100 in 4.2 percent and 1/50 in 8.7 percent of these women. In the same category of women the frequency of antithyroid antibodies was as high as 12 percent. These data should encourage routine examination for auto-antibodies before and during pregnancy in order to evaluate and prevent the obstetrical risk to which these women are exposed.

Autoantibodies↗
PubMedDate not supplied

Succinylcholine as a predictor in strabismus surgery.

Succinylcholine was injected intraoperatively in 20 patients with congenital esotropia, before and after the surgical procedure. Regression analysis was performed to investigate the relationship between the awake pre- and postoperative alignment and the drug-induced ocular positions, under anesthesia. The postoperative succinylcholine-induced ocular position was found to be a highly significant predictor of the one week postoperative alignment (r = 0.98, p less than 0.0001). Further investigation may lead to an ability to predict the postoperative alignment intraoperatively.

Anesthesia, General↗
PubMedDate not supplied

Hydrofluoric acid burns.

Chemical burns sustained in the microelectronics industry consist mostly of injuries to the skin of the hand and face. The injuries are caused by splashes, holes in gloves, or accidental use of a chemical improperly. The chemical burns of the face primarily involve splashes. Employee education and the ability to intervene swiftly are the foundations of prevention of serious injury. Every facility using hydrogen fluoride should be certain that they have current treatment protocols reviewed by someone with expertise in this area. Furthermore, companies should not assume that all local physicians are knowledgeable about hydrogen fluoride and should educate them as well.

Burns, Chemical↗