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Sabari JS, Kane L, Flanagan SR, Steinberg A. Constraint-induced motor relearning after stroke: a naturalistic case report. Arch Phys Med Rehabil 2001; 82:524-8. [PMID: 11295016 DOI: 10.1053/apmr.2001.21857] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Constraint-induced movement therapy (CIMT) is a promising approach to promoting recovery of functional arm movement after stroke. However, controlled studies have been limited to persons who sustained strokes at least 1 year before beginning the treatment protocol. This case study documents the neurologic history and motor recovery of a woman whose natural circumstances lend support to the principles of CIMT. The patient sustained a right midpontine vascular infarct and fell simultaneously, fracturing her right humerus. Orthopedic intervention for the fracture mirrored the protocol suggested by proponents of CIMT by immobilizing her right arm. Her significant recovery of left arm use over a 1-year period was more extensive than what would be typically expected after the type of cerebral infarct she incurred. Her case provides the first evidence in the literature that supports the principles of CIMT when it is applied immediately poststroke.
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Steinberg A. Halakhic guidelines for physicians in intensive care units. ASSIA--JEWISH MEDICAL ETHICS 2001; 4:5-6. [PMID: 11878330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/17/2023]
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Steinberg A, Brainsky A, Bain L, Montoya L, Indenbaum M, Potsic W. Parental values in the decision about cochlear implantation. Int J Pediatr Otorhinolaryngol 2000; 55:99-107. [PMID: 11006449 DOI: 10.1016/s0165-5876(00)00373-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Parents of children who are deaf are required to make decisions shortly after diagnosis that will affect the child's method of communication and educational placement. This study examines the role of parental values and preferences in this decision making process. Twenty families with a deaf child participated in this study. Parents from 19 of these families completed a multi-attribute preference study, which assesses their preference for different outcomes in four domains, i.e. academic achievement, social life, communication, and emotional well being. In ten of these families, the child had received a cochlear implant. Results indicate wide variability in parental preferences, which do not appear to correlate with the parents' decisions to choose cochlear implantation. Interview data from the study provides some insight into the parents' motivations. The small size of the study limits further analysis of factors that influence parents' choices and suggests further study with larger numbers of families.
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Eisenberg J, Zohar A, Mei-Tal G, Steinberg A, Tartakovsky E, Gritsenko I, Nemanov L, Ebstein RP. A haplotype relative risk study of the dopamine D4 receptor (DRD4) exon III repeat polymorphism and attention deficit hyperactivity disorder (ADHD). AMERICAN JOURNAL OF MEDICAL GENETICS 2000; 96:258-61. [PMID: 10898895 DOI: 10.1002/1096-8628(20000612)96:3<258::aid-ajmg4>3.0.co;2-8] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Attention deficit hyperactivity disorder (ADHD) is a developmental syndrome expressed along three domains: inattention, hyperactive-impulsive, and combined type. Several investigations have recently examined the role of the dopamine DRD4 exon III repeat polymorphism in ADHD. The long 7 repeat allele of this receptor was shown in three family-based studies, but not in one case control design, to be a risk factor for this disorder. We now report an additional family-based study of DRD4 exon III repeat region and ADHD. However, in the current study we fail to observe preferential transmission of the DRD4 exon III long 7 repeat allele, chi(2) = 0. 142, P < 0.1, df = 1. Nor was any preferential transmission observed when genotypes were compared, chi(2) = 0.180, P > 0.1, df = 1. Possible reasons are discussed, especially lack of sufficient power in analying more refined phenotypes, why the current results in contrast to previous findings fail to support a role for the long form of the DRD4 receptor as a putative risk factor for ADHD.
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Cohen R, Reches A, Steinberg A, Kedar H. Evaluation of a workshop to teach clinical bioethics in the clinical setting. MEDICINE AND LAW 2000; 19:451-461. [PMID: 11143882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
That the teaching of medical ethics must extend into the clinical years in order for medical students to effectively acquire the knowledge and skills required for dealing with clinical bioethical issues has been widely recognized. A limiting factor has been the lack of physicians able to teach bioethics in the clinical setting. This paper describes the structure and evaluation of a workshop for teaching clinicians how to teach bioethics in the clinical setting. 80 physicians participated in 4 workshops in which they were provided with the ethical principles needed to deal with clinical bioethical issues and appropriate teaching methods. Methods such as paper cases, videotaped standardized patient interactions and live standardized patients were presented. The workshops have been highly evaluated. Post workshop evaluation showed that a significant number of physicians taught ethical issues during rounds and seminars. The frequency of teaching ranged from once per month to one or more times per week.
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Cooper-Kazaz R, Friedlander Y, Steinberg A, Sonnenblick M. Longitudinal changes in attitudes of offspring concerning life-sustaining measures for their terminally ill parents. J Am Geriatr Soc 1999; 47:1337-41. [PMID: 10573443 DOI: 10.1111/j.1532-5415.1999.tb07435.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES To define longitudinal changes in the attitudes of offspring concerning life-sustaining measures for their older, terminally ill parents and to determine whether experience of a "life event" influences such decisions. DESIGN An attitudinal survey of three groups. SETTING The geriatric department of a university-affiliated general hospital. PARTICIPANTS Fifty-one subjects who had been interviewed regarding life-sustaining treatment for their terminally ill parents were reinterviewed 6 years later. In addition, a control group composed of 116 participants was generated from patients visiting hospital outpatient clinics. The control group had no prior experience involving hospitalization of a first-degree relative as a result of a life-threatening situation. INTERVENTIONS Each subject took part in a personal interview. MAIN OUTCOME MEASURES Attitudes regarding life-sustaining measures were assessed, and the subjects' sociodemographic and religious characteristics were noted. RESULTS The attitudes of offspring in the acute phase situation and after the passage of 6 years were strikingly consistent. Twenty-one percent had requested the initiation of resuscitation in the acute phase ("real time"), and 27.4% said the same 6 years later. The provision of nutrition and medication was requested by approximately 70% of participants both at the acute phase and 6 years later. When comparing each individual's personal views at the interviews with all others, consistency in attitude was found among answers to most questions. When comparing the acute phase group with the control group, a significantly higher percentage of the former requested the initiation of resuscitation (48.3% vs 25%), whereas a smaller percentage preferred that the decision be made by the physician (3.5% vs 21.3%). Active euthanasia was requested by 6.5% of the acute phase group and 12.9% of the control group. CONCLUSIONS The decisions made by offspring regarding life-sustaining measures for their terminally ill parent at real time remain unchanged 6 years after the event. Exposure to a life event significantly affects the decision-making of the offspring of a terminally ill parent. However, the subject's attitude toward extreme solutions--opposing active euthanasia and requesting the administration of nutrition and medication--was not influenced by the fact that the subject had undergone a life event.
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Eisenberg J, Mei-Tal G, Steinberg A, Tartakovsky E, Zohar A, Gritsenko I, Nemanov L, Ebstein RP. Haplotype relative risk study of catechol-O-methyltransferase (COMT) and attention deficit hyperactivity disorder (ADHD): association of the high-enzyme activity Val allele with ADHD impulsive-hyperactive phenotype. AMERICAN JOURNAL OF MEDICAL GENETICS 1999; 88:497-502. [PMID: 10490706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
Attention deficit hyperactivity disorder (ADHD) is a developmental syndrome expressed along three domains: inattention, hyperactive-impulsive, and combined type. Both environmental and genetic factors contribute to the etiology of this complex disease. In the current investigation, a catechol-O-methyltransferase (COMT) polymorphism that codes for a high versus low enzyme COMT activity was examined using family-based methods for a role in ADHD. Using a haplotype relative risk design and a parent-to-proband allele transmission test with 48 ADHD triads, we found an association between COMT and illness (chi(2) = 4.72, p = 0.03, df = 1). In particular, the impulsive-hyperactive type of ADHD (excluding inattention) ascertained by Diagnostic and Statistical Manual of Mental Disorders (DSM IV) criteria (chi(2) = 8.34, p = 0.004, df = 1), by the Conners Teaching Rating Hyperactivity scale (Pearson chi(2) = 5.32, p = 0.02, df = 1) as well as by the Continuous Performance Test False Alarm scale (chi(2) = 2.78, p = 0.096, df = 1) were associated with the high enzyme activity COMT val allele. Similar results were obtained if genotype frequencies were compared. It should be noted that the association between the high-enzyme activity COMT val allele that increases CNS dopamine (and norepinephrine) clearance is consistent with the use of methylphenidate, an agent that increases dopamine (and norepinephrine) turnover, in the treatment of this disorder. These provisional findings suggest that newly developed COMT inhibitors such as tolcapone, applied in Parkinson's disease, might in due time be considered in the treatment of ADHD.
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Phillips DP, Christenfeld N, Glynn LM, Steinberg A. The influence of medical and legal authorities on deaths facilitated by physicians. Suicide Life Threat Behav 1999; 29:48-57. [PMID: 10322620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
This study investigated whether two widely publicized cases of deaths facilitated by physicians were followed by significant peaks in mortality. In March, 1991, Timothy Quill, MD, published a controversial editorial describing the physician-assisted suicide (PAS) of his 45-year-old, female leukemia patient. In a landmark decision in December 1990, the Missouri Supreme Court allowed removal of life support for Nancy Cruzan, a comatose accident victim. Correcting for trends and seasonal fluctuations, the authors examined: (1) U.S. leukemia mortality in the period centered on Quill's editorial, and (2) mortality from accident/coma combinations in the period centered on the Missouri Supreme Court's decision on Cruzan. Female leukemia deaths rose 11.3% above the expected rate (p < .01) just after Quill's article was published. The more closely the decedent matched Quill's patient, the greater the peak, with the largest peak (33.9%) evident for female leukemia patients in their 40s, who were long-term residents of smaller communities (p < .05). Five possible explanations for the findings were assessed, leading to the conclusion that Quill's editorial elicited an increase in mortality. The involvement of physicians in this increase is supported by analysis of the Cruzan case. This showed a mortality peak of 57% for accident/coma patients following the court decision.
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Steinberg A. Decision-making and the role of surrogacy in withdrawal or withholding of therapy in neonates. Clin Perinatol 1998; 25:779-90, xii. [PMID: 9779347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Ideally, decisions to forego life-sustaining treatments in neonates should be arrived at by a team of expert physicians, nurses, and social workers, together with both parents. Surrogates, however, may occasionally have other considerations than the best interest of the ill neonate, and sometimes the postpartum mother may be temporarily incompetent to make such grave decisions. Therefore, a careful assessment of the parents' decision is required. Physical help in the caring for the child, psychologic family counseling, educational and vocational assistance, and even quality institutionalization must be provided if the parents are unable to fully care for the child.
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Elstein D, Steinberg A, Abrahamov A, Zimran A. Ethical guidelines for enzyme therapy in neuronopathic Gaucher disease. Am J Hum Genet 1997; 61:A354. [PMID: 11644969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023] Open
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Parush S, Sohmer H, Steinberg A, Kaitz M. Somatosensory functioning in children with attention deficit hyperactivity disorder. Dev Med Child Neurol 1997; 39:464-8. [PMID: 9285437 DOI: 10.1111/j.1469-8749.1997.tb07466.x] [Citation(s) in RCA: 74] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
In order to test the hypothesis that attention deficit hyperactivity disorder (ADHD) is related to deficits in somatosensory processing, 49 ADHD male children and 49 matched controls were tested on a wide range of tactile tasks, and somatosensory evoked potentials (SEP) were also recorded. In addition, parents' and teachers' ratings on the children's typical responses to tactile stimuli were obtained. The results show that the ADHD children were less skilled on suprathreshold, but not on threshold tasks than were the controls. Further, a larger percentage of ADHD children were 'tactile defensive'. Finally, the ADHD children showed larger-than-normal amplitudes of late, but not early components of the SEP. These data suggest that some aspects of somatosensory processing by ADHD children are deficient.
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Cheng H, Gomes-Trolin C, Aquilonius SM, Steinberg A, Löfberg C, Ekblom J, Oreland L. Levels of L-methionine S-adenosyltransferase activity in erythrocytes and concentrations of S-adenosylmethionine and S-adenosylhomocysteine in whole blood of patients with Parkinson's disease. Exp Neurol 1997; 145:580-5. [PMID: 9217094 DOI: 10.1006/exnr.1997.6466] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
In the present study, levels of S-adenosylmethionine (SAM) and S-adenosylhomocysteine (SAH) in whole blood as well as L-methionine S-adenosyltransferase (MAT) activity in erythrocytes were assayed in a series of 20 patients with Parkinson's disease and 12 healthy control subjects. A significant difference was found with regard to SAM levels between patients and controls, with the detected levels being 383.1 +/- 41.5 nM for the parkinsonian patients and 680.6 +/- 30.9 nM for the controls. With regard to SAH, we found no difference between the groups. The catalytic activity of MAT was increased by 30% in patients compared to controls, with the Vmax for methionine being 17.9 +/- 3.7 and 13.9 +/- 2.2 pmol/mg/h, respectively.
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Shaag A, Saada A, Steinberg A, Navon P, Elpeleg ON. Mitochondrial encephalomyopathy associated with a novel mutation in the mitochondrial tRNA(leu)(UUR) gene (A3243T). Biochem Biophys Res Commun 1997; 233:637-9. [PMID: 9168904 DOI: 10.1006/bbrc.1997.6496] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We report a new mutation, an A-->T transition at nt 3243 in the mitochondrial tRNA(leu)(UUR) gene, in a 9-year-old girl who presented with muscle weakness of 3 years duration complicated by rapidly progressive encephalopathy. In muscle, the activity of the mitochondrial respiratory chain complexes I, III, and IV was markedly reduced. The mutation, involving a highly conserved base pair in the dihydrouridine loop, was heteroplasmic in muscle (81.4%), skin (69.3%), and blood (13.8%) and was not present in blood of 50 healthy individuals. The mitochondrial 3243 base is a "hot spot" for mutations; an A-->G transition at this position is found in a high proportion in most MELAS patients. Since the A-->T transition creates a new recognition site for the restriction enzyme TspRI, both ApaI and TspRI should be used to exclude a mutation at nt 3243.
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Wallace JI, Porter J, Weiner A, Steinberg A. Oral sex, crack smoking, and HIV infection among female sex workers who do not inject drugs. Am J Public Health 1997; 87:470. [PMID: 9096561 PMCID: PMC1381031 DOI: 10.2105/ajph.87.3.470] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Sprung CL, Eidelman LA, Steinberg A. Is the patient's right to die evolving into a duty to die?: Medical decision making and ethical evaluations in health care. J Eval Clin Pract 1997; 3:69-75. [PMID: 9238609 DOI: 10.1111/j.1365-2753.1997.tb00069.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
When patient or family requests for continued life-sustaining treatments conflict with doctor recommendations, different conclusions as to what is beneficial for the patient may arise. Past practices usually accepted patient or family requests based on the principle of autonomy or that the doctor's primary responsibility is to the individual patient. Many patients die in intensive care units after doctors forego life-prolonging interventions. Health care changes and cost containment have led to a change in the classical ethical model of the patient-doctor relationship such that concerns for societal requirements increasingly overrule those for individual patient needs. The ability to keep patients alive with little likelihood of recovery and the recognition of escalating health costs have led to calls for the needs of society and distributive justice to be taken into account. A tendency to justify a duty to die for these patients has arisen. Recent legal decisions in cases with conflicts between families and health care providers and institutions over foregoing life-sustaining therapies have decided for the families against doctors and hospitals, compelling institutions and their staff to act contrary to their ethical views. Value judgments of doctors are sometimes confused with medical indications for therapy. Doctors have defined therapies as futile or non-beneficial based on their own values and even withdrawn life-sustaining treatments without patient or family input. In some cases, the right to die is leading to the duty to die even against patient or surrogate wishes. Such observations indicate the need for rigorous analyses of medical decision making in this context and for ethical evaluations in health care in general.
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Steinberg A. The terminally ill--ethical and Jewish perspectives. ISRAEL JOURNAL OF MEDICAL SCIENCES 1996; 32:601-2. [PMID: 8756997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Glustein JZ, Weill M, Steinberg A. Anomalies of the nipple: an additional finding in CHARGE syndrome. AMERICAN JOURNAL OF MEDICAL GENETICS 1996; 61:201. [PMID: 8741862 DOI: 10.1002/(sici)1096-8628(19960122)61:3<201::aid-ajmg1>3.0.co;2-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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Steinberg A. Safety and home care nurses: a study. CONCERN (REGINA, SASK.) 1995; 24:24-6. [PMID: 7492910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Goldsmith HL, Bell DN, Braovac S, Steinberg A, McIntosh F. Physical and chemical effects of red cells in the shear-induced aggregation of human platelets. Biophys J 1995; 69:1584-95. [PMID: 8534829 PMCID: PMC1236389 DOI: 10.1016/s0006-3495(95)80031-7] [Citation(s) in RCA: 49] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Both chemical and physical effects of red cells have been implicated in the spontaneous aggregation of platelets in sheared whole blood (WB). To determine whether the chemical effect is due to ADP leaking from the red cells, a previously described technique for measuring the concentration and size of single platelets and aggregates was used to study the shear-induced aggregation of platelets in WB flowing through 1.19-mm-diameter polyethylene tubing in the presence and absence of the ADP scavenger enzyme system phosphocreatine-creatine phosphokinase (CP-CPK). Significant spontaneous aggregation was observed at mean tube shear rates, (G) = 41.9 and 335 s-1 (42% and 13% decrease in single platelets after a mean transit time (t) = 43 s, compared to 89 and 95% decrease with 0.2 microM ADP). The addition of CP-CPK, either at the time of, or 30 min before each run, completely abolished aggregation. In the presence of 0.2 microM ADP, CP-CPK caused a reversal of aggregation at (t) = 17 s after 30% of single cells had aggregated. To determine whether red cells exert a physical effect by increasing the time of interaction of two colliding platelets (thereby increasing the proportion of collisions resulting in the formation of aggregates), an optically transparent suspension of 40% reconstituted red cell ghosts in serum containing 2.5-micron-diameter latex spheres (3 x 10(5)/microliters) flowing through 100-microns-diameter tubes was used as a model of platelets in blood, and the results were compared with those obtained in a control suspension of latex spheres in serum alone. Two-body collisions between microspheres in the interior of the flowing ghost cell or serum suspensions at shear rates from 5 to 90 s-1 were recorded on cine film. The films were subsequently analyzed, and the measured doublet lifetime, tau meas, was compared with that predicted by theory in the absence of interactions with other particles, tau theor. The mean (tau meas/tau theor) for doublets in ghost cell suspensions was 1.614 +/- 1.795 (SD; n = 320), compared to a value of 1.001 +/- 0.312 (n = 90) for doublets in serum. Whereas 11% of doublets in ghost cell suspensions had lifetimes from 2.5 to 5 times greater than predicted, in serum, no doublets had lifetimes greater than 1.91 times that predicted. There was no statistically significant correlation between tau meas/tau theor and shear rate, but the values of tau meas/tau theor for low-angle collisions in ghost cell suspensions were significantly greater than for high-angle collisions.
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Abstract
Modern bioethics is based on a pluralistic and multidisciplinary approach, deriving its sources from medicine, biology, philosophy, law, theology, social and behavioral sciences, and history. The moral foundation of modern biomedical ethics is based upon four prima facie principles: respect of autonomy, beneficence, nonmaleficence, justice. This approach, however, has been seriously criticized and challenged. A wide range of issues is discussed and debated in biomedical ethics. Several causes have intensified the recent flourishing of medical ethics: The enormous advancements in scientific and technological knowledge; the intense and widespread interest in bioethics by professionals as well as by the public at large; and the wide sociocultural and economic changes in western society, and in the conduct of medicine. The objectives of clinical medical ethics is outlined in the article.
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Steinberg A. [The medical expert witness]. HAREFUAH 1995; 128:657-60. [PMID: 7601385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Steinberg A, Hersch M. Decapitation of a pregnant sheep: a contribution to the brain death controversy. Transplant Proc 1995; 27:1886-7. [PMID: 7725539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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