29 results on '"Martha F"'
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2. Primary Care Education During a Global Pandemic: Implementation of Telemedicine
- Author
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Christian B. Lawrence, Colin J. Orr, Stephanie D. Toder, Martha F. Perry, Carl Seashore, and Luma Essaid
- Subjects
Medical education ,Telemedicine ,business.industry ,Social distance ,Attendance ,computer.software_genre ,Triage ,Session (web analytics) ,Videoconferencing ,Phone ,Health care ,Pediatrics, Perinatology and Child Health ,Medicine ,business ,computer - Abstract
Program Goals: Facing the COVID-19 pandemic and the need for social distancing, our residency programremoved residents from certain clinical settings including the resident continuity clinic This created aneducational gap in resident training and dramatically affected the way we deliver healthcare to our patients To facilitate medical care in the safest way possible, our clinic implemented virtual visits via phone and videobeginning in mid-March Whenever appropriate, sick and well care visits were completed via virtualencounters preceded by nurse-only visits for vaccines when indicated Initially attendings performed thesevisits to develop virtual skills, build provider condence, and ensure that proper infrastructure was in place Recognizing that telemedicine represented an important educational opportunity for residents, we laterincorporated residents into clinic Residents were rst asked to observe a virtual encounter performed by anattending, and then they were observed conducting a virtual encounter Residents then conducted encountersindependently, precepting with attendings via videoconference (including the family) or by putting the family on hold Evaluation: 15 residents participated in telemedicine clinics within the rst 3 weeks of initiating thisprogram 11 respondents from all years of training provided feedback Residents reported completing 2-5telemedicine visits per half-day session When asked about the educational value of a telemedicine clinicsession, 82% of residents reported this was similar or more educational as compared to a usual continuityclinic session Educational benets included the opportunity to improve phone triage skills and increaseexperience with a technology that residents expect to use in the future Educational challenges includedfeeling “rushed trying to navigate the technology' and discomfort with an unfamiliar process for precepting All participants reported increased level of comfort with providing care via telemedicine after these sessions,and 91% of residents agreed or strongly agreed with the statement “I feel comfortable with providing care viatelemedicine now ” Although residents felt challenged by the inefficiency of reading screening tools aloud, bydelays due to connectivity problems, and by limited physical exam capabilities, they noted many strengthsincluding improved visit attendance rates and convenience for patients Discussion: Innovative care deliverymodels are necessary to protect the community and the healthcare workforce while also providing neededmedical care and educational opportunities for our residents As we move forward, we will continue to solicitfeedback to effectively meet new and evolving educational needs We anticipate a role for virtual visits wellbeyond the COVID-19 pandemic As such, we will continue to train our residents through virtual visits and willsoon be engaging medical students in telemedicine electives We will continue to identify innovative ways toengage learners in telemedicine and streamline processes for determining which visits are appropriate for avirtual visit
- Published
- 2021
- Full Text
- View/download PDF
3. Perinatal human immunodeficiency virus (HIV) testing
- Author
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Plotkin, Stanley A., Cooper, Louis Z., Evans, Hugh E., Fost, Norman C., Hammar, Sherrel L., Healy, Alfred, Jenkins, Renee, Merenstein, Gerald, Pantell, Robert H., Schonberg, S. Kenneth, Scott, Gwendolyn B., Sklaire, Martin W., Rogers, Martha F., and Allen, James R.
- Subjects
HIV (Viruses) -- Testing ,HIV seroprevalence -- Demographic aspects ,HIV infection in children ,Infants (Newborn) -- Diseases ,Maternal-fetal exchange -- Physiological aspects - Published
- 1992
4. Epidemiology of transfusion-associated acquired immunodeficiency syndrome in children in the United States, 1981 through 1989
- Author
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Jones, Donna S., Byers, Robert H., Bush, Timothy J., Oxtoby, Margaret J., and Rogers, Martha F.
- Subjects
AIDS (Disease) in children -- Statistics - Abstract
From 1981 through 1989, 212 cases of transfusion-associated (TA) acquired immunodeficiency syndrome (AIDS) were reported to the Centers for Disease Control. In a study of the epidemiology of pediatric TA AIDS, this group was compared with perinatally acquired (PA) and adult TA AIDS cases. The number of pediatric TA AIDS cases reported each year began to stabilize in 1988 and declined 41% in 1989. Reported adult TA AIDS cases continued to increase by 33% in 1988 and declined by 15% in 1989. The number of reported PA cases has continued to increases each year. Seventy percent of the children with TA AIDS were transfused in their first year of life. The median age at diagnosis was 4 years (range 0.3 to 12.8 years) compared with a median age at diagnosis of 1 year (range 0.1 to 12.9 years) in the PA cases. Using a nonparametric estimation procedure for truncated data, the estimated incubation period from time of infection to diagnosis of AIDS was longer for pediatric TA AIDS cases than PA cases (median, 3.5 years vs 1.75 years) but shorter than for adult TA cases (median, 4.5 years). The median survival after diagnosis of TA AIDS in children did not differ from that in PA cases (13.7 vs 14.3 months) but was longer than in adult TA cases (5.6 months P < .01). The decline in the reported incidence of pediatric and adult TA AIDS cases reflects the effects of donor deferral and donor screening for human immunodeficiency virus infection. However, new AIDS cases will continue to be diagnosed among children transfused between 1978 and 1985 because of the long incubation period of the disease. Pediatrics 1992;89:123-127;
- Published
- 1992
5. A prospective study of infants of human immunodeficiency virus seropositive and seronegative women with a history of intravenous drug use or of intravenous drug-using sex partners, in the Bronx, New York City
- Author
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Mayers, Marguerite M., Davenny, Katherine, Schoenbaum, Ellie E., Feingold, Anat R., Selwyn, Peter A., Robertson, Verna, Ou, Chin-Yih, Rogers, Martha F., and Naccarato, Marcella
- Subjects
HIV (Viruses) ,HIV seropositivity -- Risk factors ,Intravenous drug abuse -- Health aspects ,Children of drug addicts -- Health aspects ,HIV infection in children - Published
- 1991
6. Lack of transmission of human immunodeficiency virus from infected children to their household contacts
- Author
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Rogers, Martha F., White, Carol R., Sanders, Ron, Schable, Charles, Ksell, Toni E., Wasserman, Richard L., Bellanti, Joseph A., Peters, Stephen M., and Wray, Betty B.
- Subjects
AIDS (Disease) in children -- Risk factors ,HIV (Viruses) ,AIDS virus carriers -- Research ,Virus diseases - Abstract
There is some concern over the possibility of transmission of the human immunodeficiency virus (HIV) to the people taking care of children with acquired immunodeficiency syndrome (AIDS). This group includes caretakers in schools, day care centers and households. The transmission of HIV by infected blood is well established, but there have been no reports of HIV transmission to non-high-risk individuals in families, day care, workplace (excluding health facilities) or schools. Most studies have examined the transmission of HIV from infected adults or older children to household members. Since younger children have less control over bodily fluids and excretion, they are more likely to transmit the infection to household members through biting, drooling, mouth toys and diaper contents. The transmission of HIV was studied among 89 household members caring for 25 HIV-infected children. Household members came in contact with items likely to be soiled with infected blood and body fluids such as toys, toothbrushes, eating utensils, toilets, nail clippers, combs, towels, bedsheets and bathtubs. In addition, hugging, kissing, bed sharing, and bathing together were common. Caregivers began HIV blood testing four months after initial contact with an HIV-infected child. All 89 participants were HIV-negative. It is concluded that the risk of HIV transmission among household members is extremely low. (Consumer Summary produced by Reliance Medical Information, Inc.)
- Published
- 1990
7. Guidelines for human immunodeficiency virus (HIV)-infected children and their foster families
- Author
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Plotkin, Stanley A., Cooper, Louis Z., Evans, Hugh E., Fost, Norman C., Hammar, Sherrel L., Healy, Alfred, Jenkins, Renee, Merenstein, Gerald, Pantell, Robert H., Schonberg, S. Kenneth, Scott, Gwendolyn B., Sklaire, Martin W., Rogers, Martha F., and Allen, James R.
- Subjects
AIDS (Disease) in children ,HIV infection -- Reporting ,Foster home care -- Laws, regulations and rules - Published
- 1992
8. Surveillance of Pediatric HIV Infection
- Author
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C. Wilfert, D. T. Beck, Robert H. Pantell, S. K. Schonberg, Patricia Whitley-Williams, Martha F. Rogers, Alan R. Fleischman, Gwendolyn B. Scott, M. W. Sklaire, and Lynne M. Mofenson
- Subjects
Pediatrics ,medicine.medical_specialty ,Pediatric hiv ,business.industry ,Pediatrics, Perinatology and Child Health ,medicine ,business - Abstract
Pediatric human immunodeficiency virus (HIV)/acquired immunodeficiency syndrome (AIDS) surveillance should expand to include perinatal HIV exposure and HIV infection as well as AIDS to delineate completely the extent and impact of HIV infection on children and families, accurately assess the resources necessary to provide services to this population, evaluate the efficacy of public health recommendations, and determine any potential long-term consequences of interventions to prevent perinatal transmission to children ultimately determined to be uninfected as well as for those who become infected. Ensuring the confidentiality of information collected in the process of surveillance is critical. In addition, expansion of surveillance must not compromise the established, ongoing surveillance system for pediatric AIDS. An expanded pediatric HIV surveillance program provides an important counterpart to existing American Academy of Pediatrics and American College of Obstetricians and Gynecologists recommendations for HIV counseling and testing in the prenatal setting.
- Published
- 1998
- Full Text
- View/download PDF
9. Evaluation and Medical Treatment of the HIV-Exposed Infant
- Author
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M. W. Sklaire, Gwendolyn B. Scott, D. T. Beck, C. Wilfert, R. H. Panteli, Lynne M. Mofenson, Alan R. Fleischman, N. A. Halsey, S. K. Schonberg, Martha F. Rogers, and Patricia Whitley-Williams
- Subjects
Pediatrics ,medicine.medical_specialty ,Medical treatment ,business.industry ,Pediatrics, Perinatology and Child Health ,Human immunodeficiency virus (HIV) ,medicine ,medicine.disease_cause ,business - Abstract
As a result of the expanding human immunodeficiency virus (HIV) infection epidemic and recently published recommendations for routine HIV testing with consent for all pregnant women in the United States, pediatricians are becoming increasingly involved in providing care to infants born to HIV-infected women. This article provides guidelines about counseling the parent or care giver of the infant, use of antiretroviral therapy to reduce the risk of infection in the infant, medical treatment of the HIV-exposed infant, laboratory testing to determine the infection status of the infant, laboratory monitoring of hematologic and immunologic parameters, prophylaxis for Pneumocystis carinii pneumonia, and recommendations for immunizations and tuberculosis screening.
- Published
- 1997
- Full Text
- View/download PDF
10. A Prospective Study of Infants of Human Immunodeficiency Virus Seropositive and Seronegative Women with a History of Intravenous Drug Use or of Intravenous Drug-Using Sex Partners, in the Bronx, New York City
- Author
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Verna J. Robertson, Martha F. Rogers, Anat R. Feingold, Marguerite M. Mayers, Ellie E. Schoenbaum, Marcella Naccarato, Chin-Yih Ou, Peter A. Selwyn, and Katherine Davenny
- Subjects
Pediatrics ,medicine.medical_specialty ,business.industry ,Hepatosplenomegaly ,Disease ,medicine.disease ,Persistent generalized lymphadenopathy ,Acquired immunodeficiency syndrome (AIDS) ,Immunopathology ,Pediatrics, Perinatology and Child Health ,Immunology ,medicine ,Viral disease ,medicine.symptom ,Prospective cohort study ,business ,Parotitis - Abstract
A prospective study was conducted in the Bronx, New York, of 70 infants of human immunodeficiency virus (HIV)-infected (n = 33) and uninfected (n = 37) mothers who had a history of intravenous drug use or of intravenous drug-using sex partners. Infants were observed from birth to a median age of 23 months (range 3 to 54 months). HIV infection was confirmed in seven infants (21%) of seropositive mothers; six developed HIV disease, with symptoms observed in the first year. Of these, three died (3, 9, and 36 months) of HIV-related causes; 3 of 4 survivors were >25 months of age. HIV symptoms preceded or were concurrent with abnormalities in T-lymphocyte subsets; postneonatal polymerase chain reaction confirmed HIV infection in five infants with symptoms and one without symptoms. Among infants of seropositive mothers, seven without laboratory evidence of HIV (including polymerase chain reaction) had findings suggestive of HIV infection, including persistent generalized lymphadenopathy, hepatosplenomegaly, oral candidiasis, parotitis, and inverted T-lymphocyte ratios. These findings were not observed in infants of seronegative mothers. Although the presence of HIV proviral sequences was associated with HIV disease, the observation of indeterminate symptoms in at-risk infants indicates the importance of long-term clinical follow-up to exclude HIV infection. Disease manifestations in comparable infants of seronegative mothers are important for assessment of the impact of maternal drug use, development of specific clinical criteria for early diagnosis of HIV and eligibility for antiretroviral therapy.
- Published
- 1991
- Full Text
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11. Human Immunodeficiency Virus/Acquired Immunodeficiency Syndrome Education in Schools
- Author
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Lynne M. Mofenson, Patricia Whitley-Williams, Catherine M. Wilfert, D. T. Beck, Robert H. Pantell, S. Kenneth Schonberg, Gwendolyn B. Scott, Martha F. Rogers, Alan R. Fleischman, and M. W. Sklaire
- Subjects
Acquired immunodeficiency syndrome (AIDS) ,business.industry ,education ,Pediatrics, Perinatology and Child Health ,medicine ,Human immunodeficiency virus (HIV) ,medicine.disease ,medicine.disease_cause ,business ,Virology - Abstract
The human immunodeficiency virus (HIV)/acquired immunodeficiency syndrome (AIDS) epidemic has grown during the past 15 years. Education remains a critical component of our efforts to prevent HIV infection/AIDS in school children and young adults. To accomplish this goal, school personnel should receive updated information about HIV infection/AIDS so that accurate teaching on this topic can be included in the K–12 health education curriculum. Informed pediatricians and nurses can serve as important resources for school health services and administration to provide current information for the curriculum. Each community should have a school health advisory committee that enlists community support and provides input to health education programs in schools.
- Published
- 1998
- Full Text
- View/download PDF
12. Acquired Immunodeficiency Syndrome in Children: Report of the Centers for Disease Control National Surveillance, 1982-1985.
- Author
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Rogers, Martha F., Thomas, Pauline A., Starcher, E. Thomas, Noa, Mary C., Bush, Timothy J., and Jaffe, Harold W.
- Subjects
- *
AIDS , *EPIDEMIOLOGY - Abstract
Abstract. Since national surveillance for acquired immunodeficiency syndrome (AIDS) began in 1981, the Centers for Disease Control (CDC) has received reports of more than 20,000 cases of AIDS in the United States. As of December 31, 1985, 307 of these cases had been diagnosed in children younger than 13 years of age. The number of cases is increasing rapidly. The number of cases reported in 1985 more than doubled those reported in 1984. The major risk factors in children for acquiring infection with the causative agent, human immunodeficiency virus (HIV), were (1) having a mother known to be infected and/or at increased risk for infection and (2) receiving a transfusion of blood or blood products, of the 307 children with AIDS, 73% were reported from one of four states: New York, New Jersey, Florida, and California. Most AIDS cases in children occur in black or Hispanic infants and toddlers. The estimated incubation period for AIDS in children has increased each surveillance year, with the longest incubation exceeding 7 years. The prognosis for children with AIDS is poor and infants less than 1 year of age have the shortest survival time following diagnosis. Continued national surveillance for AIDS is mandatory for establishing effective prevention programs to control the spread of the disease. The CDC encourages all health care personnel to report cases of AIDS to their public health departments. [ABSTRACT FROM AUTHOR]
- Published
- 1987
13. National Reye Syndrome Surveillance, 1982.
- Author
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Rogers, Martha F., Schonberger, Lawrence B., Hurwitz, Eugene S., and Rowley, Diane L.
- Subjects
- *
REYE'S syndrome , *INFLUENZA , *JUVENILE diseases - Abstract
Abstract. Despite the fact that influenza B was the primary influenza virus strain during the winter of 1981-1982, only 213 cases of Reye syndrome were reported to the Centers for Disease Control (CDC) between Dec 1, 1981 and Nov 30, 1982. This national reported incidence of 0.33 cases per 100,000 children less than 18 years of age is the lowest reported incidence since the Centers for Disease Control began surveillance in 1973. This relatively low incidence probably reflected, at least in part, the fact the influenza B activity was spotty and the illness relatively mild the winter of 1981-1982. The 213 cases were reported from 43 states; and in 56% of the patients, Reye syndrome occurred following a respiratory illness. The mean age of the children was 7.0 years; there were equal numbers of girls and boys; and 93% were white. Of the ten black patients, 80% were less than 1 year of age compared with 9% of the white patients. Of the 208 patients with reported admission stage, 45% were admitted in stage I or 0, a slightly lower proportion than that observed in the previous 2 years. Salicylate levels were obtained in 55% of the patients and were reported as "detectable" in 81% compared with 96% in 1981 (P = .003, x[sup 2]). Of the 200 patients with known outcome, 70 patients died (a case fatality ratio of 35%). [ABSTRACT FROM AUTHOR]
- Published
- 1985
- Full Text
- View/download PDF
14. Early Development of Children with Abnormalities of the Sex Chromosomes: A Prospective Study.
- Author
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Leonard, Martha F., Landy, Gail, Ruddle, Frank H., and Lubs, Herbert A.
- Subjects
- *
SEX chromosome abnormalities in children , *JUVENILE diseases - Abstract
Out of cytogenetic studies of 4,400 consecutive newborn infants, 11 were found to have abnormalities of the sex chromosomes. None had distinguishing clinical abnormalities. These children, with ten normal controls, were evaluated at 1 and at 2 1/2 years by child development specialists who were not informed as to which children had abnormal karyotypes. None of the children was mentally defective, but the control children showed a trend toward slightly higher developmental quotients than the study children. Of all sectors of development, language was the most affected, with language skills considerably delayed in the study children compared with the controls by the age of 2 1/2. Further studies on these children are planned. Up to the age of at least 2 1/2 years, abnormality of sex chromosomes was not found to cause mental retardation or specific personality deviations. It may be associated with increased vulnerability, with its greatest impact on the development of language. However, a range of developmental levels and personality has been demonstrated in these eleven children, and one cannot predict developmental potential from a knowledge of the genetic constitution. [ABSTRACT FROM AUTHOR]
- Published
- 1974
- Full Text
- View/download PDF
15. Addressing Concerns of Pediatric Trainees Caring for Patients With Human Immunodeficiency Virus Infection.
- Author
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Plotkin, Stanley A., Cooper, Louis Z., Evans, Hugh E., Fost, Norman C., Hammar, Sherrel L., Healy, Alfred, Jenkins, Renee, Merenstein, Gerald, Pantell, Robert H., Schonberg, S. Kenneth, Scott, Gwendolyn B., Sklaire, Martin W., Rogers, Martha F., Allen, James R., and Ledbetter, Edgar O.
- Published
- 1993
16. Changing Epidemiology of Reye Syndrome in the United States.
- Author
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Barrett, Michael J., Hurwitz, Eugene S., Schonberger, Lawrence B., and Rogers, Martha F.
- Published
- 1986
- Full Text
- View/download PDF
17. Letters to the Editor.
- Author
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Bolton, John C., Frazier, Robert G., Sayre, Blaine M., Feehan, Edward B, Falletta, John M., Starling, Kenneth A., Fernbach, Donald J., Hook, Ernest B., Leonard, Martha F., Landy, Gail, Rooth, Gosta, Duc, Gabriel, Bucher, Hans U., Michell, Jean L., Say, Burhan, Coldwell, James G., Thomson, Ian M., Wessel, Morris A., and Gresham, Edwin L.
- Published
- 1975
18. THE RH FACTOR: PRACTICAL ASPECTS.
- Author
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ZUELZER, WOLF W., WHEELER, WARREN E., and LEONARD, MARTHA F.
- Published
- 1948
19. Round Table Discussion
- Author
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WOLF W. ZUELZER, WARREN E. WHEELER, and MARTHA F. LEONARD
- Subjects
Pediatrics, Perinatology and Child Health - Abstract
Chairman Zuelzer: Anemia happens to be one of the manifestations of erythroblastosis, but we intend to keep the purely hematologic aspects to a minimum and shall consider the disease as a whole, paying particular attention to its clinical features. The Rh factor which appears in the title of this discussion is likewise only of incidental interest to us. In recent years we have heard too much about Rh and too little about the clinical entity erythroblastosis fetalis which is our topic for today. We have agreed for our purpose to define erythroblastosis as a disorder of fetal and neonatal life resulting from maternal sensitization against antigens of the Rh group present in the fetal cells. We exclude deliberately the still controversial cases of so-called erythroblastosis due to incompatibility in the O-A-B system of blood groups and will touch on this problem only in so far as it has a bearing on diagnosis. Only a few words are needed in regard to the Rh antigens. The emphasis on the subtypes of Rh which are of interest mainly to the geneticist and immunologist have made the subject unpalatable to the clinician and the unnecessarily complex nomenclature has further beclouded a basically simple issue. For the clinician the original Rh antigen with a distribution of 85% in the white population is still by far the most important. In the simple language of the Fisher-Race theory we are chiefly concerned with the genes D and d, familiar to some of you as Rho and rh. The genetic background of maternal isoimmunization can be summarized by the simple statement that sensitization is possible only when a homozypous mother carries a heterozygous fetus. An heterozybous mother (Dd) cannot be sensitied since both antigens are present in her own cells. The homozygous fetus (DD or dd) cannot sensitize its mother because by definition it receives the same type of gene from both parents and must therefore be compatible with the mother. In the usual situation of erythroblastosis the mother is Rh negative (dd), i.e. homozygous, the Rh positive fetus is ipso facto heterozygous (Dd). Rarely a homozygous Rh positive mother may become sensitized to the c-d-e genes of a heterozygous fetus. While the basic relationship of erythroblastosis fetalis to antigenic differences between mother and fetus is well established it seems only fair to say that we know as yet very little about the reasons why certain women become sensitized and others not.
- Published
- 1948
- Full Text
- View/download PDF
20. INFANTILE AUTISM (Proceedings of the Indiana University Colloquium), edited by Don W. Churchill, M.D., Gerald D. Alpern, Ph.D., and Marian K. DeMyer, M.D. Springfield, Illinois: Charles C Thomas, 1971, 340 pp., $15.50
- Author
-
Martha F. Leonard
- Subjects
mental disorders ,Pediatrics, Perinatology and Child Health - Abstract
Since infantile autism is a puzzling and challenging condition, or group of conditions, with causes uncertain or complex and treatment often unsatisfactory, one approaches a new book on the subject with eagerness and a hope of finding some new answers or clarification. Infantile Autism is a compilation of invited papers and discussions by 26 English and American workers in the field of autism, who participated in a colloquium at Indiana University in 1968. The colloquium focussed on some central questions: Is infantile autism a clinical entity?
- Published
- 1972
- Full Text
- View/download PDF
21. INTERACTION OF ENVIRONMENTAL AND GENETIC FACTORS IN KLINEFELTER'S SYNDROME
- Author
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Leon E. Rosenberg and Martha F. Leonard
- Subjects
Critical appraisal ,S syndrome ,business.industry ,media_common.quotation_subject ,Pediatrics, Perinatology and Child Health ,Personality ,Medicine ,GENETIC ABNORMALITY ,Genetic diagnosis ,business ,Psychosocial ,Developmental psychology ,media_common - Abstract
The complexity of the interaction of genetic and environmental factors on human behavior is both a fascination and a frustration. It is fascinating to try to assess the relative contribution of each factor to the development and personality of individual patients. It is frustrating to try to separate genetic and environmental influences, which begin to interact even before birth. Any investigator who reports behavioral characteristics of patients with a genetic abnormality has the important responsibility to document the genetic diagnosis and to include data about psychosocial factors, so that the reader may make a critical appraisal of his conclusions with regard to multiple interacting influences on development.
- Published
- 1973
- Full Text
- View/download PDF
22. Round Table Discussion
- Author
-
ZUELZER, WOLF W., WHEELER, WARREN E., and LEONARD, MARTHA F.
- Abstract
Chairman Zuelzer:Anemia happens to be one of the manifestations of erythroblastosis, but we intend to keep the purely hematologic aspects to a minimum and shall consider the disease as a whole, paying particular attention to its clinical features. The Rh factor which appears in the title of this discussion is likewise only of incidental interest to us. In recent years we have heard too much about Rh and too little about the clinical entity erythroblastosis fetalis which is our topic for today.We have agreed for our purpose to define erythroblastosis as a disorder of fetal and neonatal life resulting from maternal sensitization against antigens of the Rh group present in the fetal cells. We exclude deliberately the still controversial cases of so-called erythroblastosis due to incompatibility in the O-A-B system of blood groups and will touch on this problem only in so far as it has a bearing on diagnosis.Only a few words are needed in regard to the Rh antigens. The emphasis on the subtypes of Rh which are of interest mainly to the geneticist and immunologist have made the subject unpalatable to the clinician and the unnecessarily complex nomenclature has further beclouded a basically simple issue. For the clinician the original Rh antigen with a distribution of 85% in the white population is still by far the most important. In the simple language of the Fisher-Race theory we are chiefly concerned with the genes D and d, familiar to some of you as Rhoand rh. The genetic background of maternal isoimmunization can be summarized by the simple statement that sensitization is possible only when a homozypous mother carries a heterozygous fetus. An heterozybous mother (Dd) cannot be sensitied since both antigens are present in her own cells. The homozygous fetus (DD or dd) cannot sensitize its mother because by definition it receives the same type of gene from both parents and must therefore be compatible with the mother. In the usual situation of erythroblastosis the mother is Rh negative (dd), i.e. homozygous, the Rh positive fetus is ipso facto heterozygous (Dd). Rarely a homozygous Rh positive mother may become sensitized to the c-d-e genes of a heterozygous fetus.While the basic relationship of erythroblastosis fetalis to antigenic differences between mother and fetus is well established it seems only fair to say that we know as yet very little about the reasons why certain women become sensitized and others not.
- Published
- 1948
23. INTERACTION OF ENVIRONMENTAL AND GENETIC FACTORS IN KLINEFELTER'S SYNDROME.
- Author
-
Leonard, Martha F.
- Published
- 1973
- Full Text
- View/download PDF
24. Lettrt To The Editor
- Author
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Leonard, Martha F., primary and Landy, Gail, additional
- Published
- 1975
- Full Text
- View/download PDF
25. INFANTILE AUTISM (Proceedings of the Indiana University Colloquium), edited by Don W. Churchill, M.D., Gerald D. Alpern, Ph.D., and Marian K. DeMyer, M.D. Springfield, Illinois: Charles C Thomas, 1971, 340 pp., $15.50
- Author
-
Leonard, Martha F., primary
- Published
- 1972
- Full Text
- View/download PDF
26. Letters to the Editor
- Author
-
Leonard, Martha F., primary and Solnit, Albert J., additional
- Published
- 1971
- Full Text
- View/download PDF
27. Lettrt To The Editor
- Author
-
Martha F. Leonard and Gail Landy
- Subjects
medicine.medical_specialty ,business.industry ,Family medicine ,Pediatrics, Perinatology and Child Health ,Pooling ,medicine ,Center (algebra and category theory) ,business - Abstract
Dr. Hook's comments about our study are received with appreciation. Children with abnormalities of the sex chromosomes are so rare that it is difficult for any one center to see enough of them to make valid conclusions about differences in their development. However, it is possible that pooling of data from several centers will show significant trends. In fact, in June 1974, investigators from a number of centers where prospective studies of such children are being conducted met to share their data and consider a plan for some ongoing collaboration.
- Published
- 1975
- Full Text
- View/download PDF
28. Letters to the Editor
- Author
-
Martha F. Leonard and Albert J. Solnit
- Subjects
Pediatrics, Perinatology and Child Health - Abstract
In the recent article by our townsman, Dr. Hans H. Neumann, "Pica–Symptom or Vestigial Instinct?" (Pediatrics, 46:441) the concept of vestigial instinct is used as part of the basis for discounting emotional deprivation as one of the most significant factors leading to pica in this country. Dr. Neumann's otherwise fascinating report does not define adequately what he means by instinct, nor does he use the word pica in its usual sense. He admirably describes how a mother in West Africa introduces her infant to a piece of wood for chewing.
- Published
- 1971
- Full Text
- View/download PDF
29. Infantile Autism (Book).
- Author
-
Leonard, Martha F.
- Published
- 1972
- Full Text
- View/download PDF
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