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Biomedical subjects

M Schneiderman

Publications and source records attributed to M Schneiderman.

18 recordsLinked to original sources

A survey of problematic sexualized behaviors of children in the New York City Child Welfare System:estimates of problem, impact on services, and need for training.

Forty-eight of 52 (92%) agencies contracted with the New York City Administration for Children's Services (ACS) responded to a survey about problematic sexualized behaviors (PSB) of children in different levels of care within the child welfare system. Results revealed that almost all agencies reported PSB within their foster boarding home and residential treatment centers. A majority of agencies perceived PSB to be a significant problem for which staff and families were not sufficiently trained. These findings highlight many avenues for advocacy, clinical intervention, and staff development.

Child↗

Reported home health agency referrals by internists and family physicians.

OBJECTIVE: To evaluate the frequency of home health agency referrals (HHRs) by internists and family physicians. DESIGN: Telephone survey of a randomly selected, nationally representative, stratified physician sample. PARTICIPANTS AND SETTING: One thousand one hundred sixty-one interviews with 576 family physicians and 585 internists selected from the American Medical Association Physician Masterfile. MAIN RESULTS: Most respondents (88%) reported making HHRs (mean for those making HHRs = 43/year). Physicians with > or = 48 annual HHRs (n = 315) reported a mean of 2.6 hours/week in home care telephone management and 2.1 hours/week on related paperwork. Rural internists and family physicians (n = 230) reported less availability of several types of non-physician home health services than non-rural respondents (n = 931), yet rural physicians were more likely to refer patients to home health agencies. Using multivariate linear regression, the reported frequency of HHRs was significantly related to rural practice location, number of home-bound patients, proportion of geriatric patients, number of house calls, graduation from a U.S. or Canadian medical school, physician knowledge of community resources, and physician experience either as a medical director, a member of the board of directors, or a consultant for a home health agency. CONCLUSIONS: Internists and family physicians who work at least 10 hours per week in ambulatory care report making approximately three home health agency referrals per month and spending substantial amounts of time coordinating home health agency care. Despite reporting less availability of many home health agency services, rural physicians report greater involvement than non-rural physicians in the delivery of home care.

Attitude of Health Personnel↗

A national survey of the home visiting practice and attitudes of family physicians and internists.

BACKGROUND: Over the past decade, while physician home visiting has continued to decline, the home care industry has been experiencing dramatic growth. In response, several major physician organizations have been encouraging increased physician education and involvement in home care and urging related health policy changes. This study provides the first in-depth, nationally representative descriptive data on the current home visiting practice and related attitudes of physicians. METHODS: Data were gathered through a structured 15-minute telephone survey, consisting of 141 items covering physician's general practice, personal home visiting practice, interaction with other home care providers, and attitudes regarding home care issues. Subjects were a nationally representative, randomly selected sample of 2200 family practice physicians (FPs) and internal medicine physicians (IMs) currently in active practice with at least 10 hours per week of professional time spent in ambulatory care. RESULTS: Sixty-five percent of eligible participants completed the survey. Of all physicians surveyed, 65% of FPs and 44% of IMs reported that they may make house calls (P less than .001). Mean number of visits per year was 21.2 (median, 10) for FPs, and it was 15.7 (median, 6) for IMs. Physicians in rural practice were more likely to make home visits (P less than .001). Physician attitudes related to home care reflect a strong dissatisfaction with reimbursement, but positive opinions about the use of other home care professionals and the importance of home visits for selected patients. Logistic regression analysis comparing home-visiting physicians with non-visiting physicians allowed for prediction of the correct classification 73% of the time, and it revealed six variables that were significant predictors of home visiting. The strongest of these predictors were the physician's positive attitude regarding the importance of home visits for selected patients and his or her perception of having time available for home visits. Other significant variables predictive of home visiting were family practice specialty, rural location of practice, greater numbers of referrals to home care agencies, and, interestingly, dissatisfaction with reimbursement. CONCLUSIONS: Although the great majority (over 75%) of FPs and IMs still regard the physician home visit as important for the care of selected patients, only about half report making one or more home visits within a 12-month period. Family physicians generally report a greater involvement in home care than do IMs. Physician reimbursement for home visits is perceived to be inadequate, and almost half (45%) indicate that they would do more home visits if reimbursement were increased. Most physicians (over 80%) have the opinion that home care agencies should be used more.

Adult↗

Renewal and release of hemopoietic stem cells: does clonal succession exist?

The term "clonal succession" was proposed 20 years ago by Kay to characterize the release of stem cells from their primary pool, followed by the expansion of each cell to a clone and the succession of new clones as the mature cells of each clone are lost because of their finite life span. The authors point out that the events described by Kay as clonal succession are necessary features of hemopoietic proliferation. Clonal succession is equivalent to the universally recognized existence of a self-replicating primary stem cell pool that continuously supplies cells for amplification and maturation to subsequent compartments. The authors object to the term "clonal succession" because it has been used by a number of investigators to characterize specific schemes rather than the general aspects of hemopoietic proliferation, thus leading to confusion. They suggest that the descriptive term, "continuous release of stem cells for differentiation," would be preferable to the use or misuse of "clonal succession."

Animals↗

Cancer prevention: assessing causes, exposures, and recent trends in mortality for U.S. males, 1968-1978.

This paper addresses some enduring issues concerning prevention of environmental and occupational cancer. The first part reviews methodological problems of estimating cancer risks and outlines some research priorities. The second part documents countervailing trends in chemical production during the past two decades, noting the doubling of some synthetic organic human carcinogens and the leveling off of some heavy metal carcinogens. The final section details recent increases in site-specific causes of cancer mortality for men old enough to have developed workplace cancers (ages 35 to 84), considering those cancers that have been linked with exposures to toxic chemicals and to cigarette smoking. This paper points out that Doll and Peto's (1981) analysis of U.S. cancer trends does not indicate some important increases in older males; they conclude that apart from cigarette smoking, there is no generalized increase in cancer for persons up to age 64. In fact, there has been a sharp reduction in cancer mortality for those under age 45. This reduction more than offsets increases in some cancers for those ages 45 to 65. Men ages 55 to 84 have experienced major increases in mortality for certain cancers plausibly associated with occupational exposures, including cancers of the brain, lung, and multiple myeloma. These older age groups have potentially sustained longer workplace exposures to carcinogens, some of which have 25-year or greater latencies. Changes in infectious diseases, workplace exposures, diagnostic trends, environment, and nutrition require further study.

Adult↗

Methotrexate compared with placebo in lung cancer.

Two hundred thirty-nine patients with microscopically proven, inoperable bronchogenic carcinoma were allocated at random to receive twice weekly I.M. injections of either methotrexate at "high dose" of 0.06 mg/kg/dose or methotrexate at "low dose" of 0.2 mg/kg or visually indistinguishable placebo in the same volume of 0.1 ml/kg for four months. Twelve patients were invalidated for procedural reasons. Objective response (greater than or equal to 50% tumor regression) was dose-related with 21% of 48 patients with measurable disease on high -ose, 11% of 37 patients on low dose, and 6% of 32 patients on placebo. Corresponding response rates for epidermoid carcinoma were 35% of 23 patients, 9% of 11 patients, and 0 of 13 patients. Responders in the two treatment groups had a three to four fold increase of median survival (p less than .05). Non-responders on high and low dose methotrexate lived as long as patients on placebo. Leukopenic patients in all three treatment groups lived substantially longer than patients without leukopenia less than 4,500/mm3, irrespective of presence or absence of objective response. All three regimens were well tolerated. None of the patients had life-threatening toxicity. It is concluded that methotrexate at "high dose" is a potentially useful drug for temporary palliation of epidermoid carcinoma of the lung.

Adenocarcinoma↗

Nonevaluable patients in clinical cancer research.

Analysis of controlled and uncontrolled published papers in clinical cancer therapy has revealed differences in patient data handling, which may reflect both the inherent biases of patient selection for uncontrolled studies and the primary purpose of such studies. A distinction between drug-data oriented research and patient oriented research was advanced to explain these results. If comparable results are to be developed, we urge controlled trials at all phases of treatment development.

Acute Disease↗

Mental health services for children in out-of-home care.

This article documents the risk factors and high incidence of psychopathology among children in out-of-home placements. A framework and guiding principles for mental health service delivery are described that are consistent with the clinical needs of children in care and the child welfare goal of permanency.

Child↗