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"Time Saved" Calculations to Improve Decision-Making in Progressive Disease Studies. J Prev Alzheimers Dis 2024; 11:529-536. [PMID: 38706269 PMCID: PMC11060991 DOI: 10.14283/jpad.2024.64] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Accepted: 02/11/2024] [Indexed: 05/07/2024]
Abstract
BACKGROUND Disease modifying therapies (DMTs) may be most beneficial in early disease, when progression is slow and changes small, with clinical relevance difficult to interpret. OBJECTIVES Time component tests (TCTs) translate differences between treatments from mean change, vertical distance between longitudinal trajectories, into intuitively understood time saved, horizontal distance between trajectories, which can be readily combined across endpoints in a global TCT (gTCT). DESIGN The value of composites, time savings estimates, and combination scores to optimize measurement and interpretation of DMTs are demonstrated, along with construction details and simulation studies. SETTING TCT methods were applied to a randomized phase II clinical trial. PARTICIPANTS Patients with early Alzheimer's disease (N=332). INTERVENTION Three treatment groups with AFFITOPE® AD02 and two control groups with aluminum oxyhydroxide, AD04. MEASUREMENTS The co-primary efficacy outcomes were an adapted ADAS-Cog (aADAS) and adapted ADCS-ADL (aADL), which were optimized composite scales specific to cognitive and functional domains. A composite based on these two scores was the study's prespecified primary outcome. The CDR-sb and standard non-adapted ADCS-ADL and ADAS-Cog scales were prespecified secondary outcomes. RESULTS The AD04 2 mg group showed some statistically significant effects compared with other study arms. It is unclear whether the observed 3.8-point difference on the composite is clinically meaningful. TCT results show a time savings of 11 months in an 18-month study with AD04 2 mg. CONCLUSION The relevance of 11 months saved is more universally understood than a mean difference of 3.8 points in the composite outcome. These results suggest that a combination of a composite approach and a time savings interpretation offers a powerful approach for detecting and interpreting disease modifying effects.
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A case of thoracic ancient schwannoma with a challenging approach. JOURNAL OF B.U.ON. : OFFICIAL JOURNAL OF THE BALKAN UNION OF ONCOLOGY 2013; 18:545-546. [PMID: 23818378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
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002 A randomised study of temporary epicardial cardiac resynchronisation vs conventional right ventricular pacing in cardiac surgical patients. BRITISH HEART JOURNAL 2012. [DOI: 10.1136/heartjnl-2012-301877b.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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651: Increased Mortality in Ganciclovir Resistant CMV Infection in Lung Transplantation. J Heart Lung Transplant 2009. [DOI: 10.1016/j.healun.2008.11.899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Abstract
The metabolism of benzo(a)pyrene [BP], a model carcinogenic PAH, by hepatic microsomes of two duck species, mallard (Anas platyrhynchos) and common merganser (Mergus merganser americanus) collected from chemically-contaminated and relatively non-contaminated areas was investigated. The rate of metabolism of BP by liver microsomes of common merganser and mallard collected from polluted areas (2,650 +/- 310 and 2,200 +/- 310 pmol/min per mg microsomal protein, respectively) was significantly higher than that obtained with liver microsomes of the two species collected from non-polluted areas (334 +/- 33 and 231 +/- 30 pmol/min per mg microsomal protein, respectively). The level of cytochrome P-450 1A1 was significantly higher in the liver microsomes of both duck species from the polluted areas as compared to the ducks from the non-polluted areas. The major BP metabolites, including BP-9, 10-diol, BP-4, 5-diol, BP-7, 8-diol, BP-1, 6-dione, BP-3, 6-dione, BP-6, 12-dione, 9-hydroxy-BP and 3-hydroxy-BP, formed by liver microsomes of both duck species from polluted and non-polluted areas, were qualitatively similar. However, the patterns of these metabolites were considerably different from each other. Liver microsomes of ducks from the polluted areas produced a higher proportion of benzo-ring dihydrodiols than the liver microsomes of ducks from the non-polluted areas, which converted a greater proportion of BP to BP-phenols. The predominant enantiomer of BP-7,8-diol formed by hepatic microsomes of the two duck species had an (-)R,R absolute stereochemistry. The data suggest that duck and rat liver microsomal enzymes have different regioselectivity but similar stereoselectivity in the metabolism of BP.
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Evaluation of disaster assistance. DISASTERS 1997; 21:177-180. [PMID: 9204633 DOI: 10.1111/1467-7717.00053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Abstract
BACKGROUND This paper explores the application of participatory methods in a Bombay slum of 33 households, Budh Mandir, to establish the local women's perception of their health status. METHOD Six participatory meetings were conducted alongside informal interviews with key informants. The meetings were structured with health ranking, mapping and seasonal mapping exercises. RESULTS The participatory exercises expose the differences in perceptions between professional health deliverers and the women of Budh Mandir, as well as providing data at a household scale about the incidence of disease and important differences in the interpretation of health problems. CONCLUSIONS Differences in the perception between local women and health professionals are noted, which, it is argued, have important implications in redefining health delivery. Some methodological problems are identified and solutions are offered. It is argued that participatory methods can act as a process through which slum dwellers can demand appropriate health care for themselves and their families. In so doing, they can redefine their health needs in order that health intervention can be directed more appropriately.
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A 'disaster' continuum? DISASTERS 1995; 19:362-366. [PMID: 8564461 DOI: 10.1111/j.1467-7717.1995.tb00358.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Aspergillus and lung transplantation. J Heart Lung Transplant 1995; 14:883-90. [PMID: 8800724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Aspergillus infection is a known complication of transplantation. METHODS We describe our experience with 37 patients who received lung transplants over 2 years at Loyola University Medical Center. All patients who had evidence of aspergillus on culture of clinical specimens or had biopsies with hyphal forms consistent with aspergillus were categorized according to the clinical manifestations. Important risk factors were analyzed in comparison with other lung transplant recipients during the same period. RESULTS The incidence of invasive aspergillosis was high (16%). No patient with disseminated disease survived. Locally invasive disease responded well to treatment with amphotericin B and itraconazole. CONCLUSIONS Lung transplantation patients may have a higher incidence of aspergillosis as compared with other transplantation groups. Prophylactic measures need to be explored.
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Eradication of legionella from a hospital water system with tarn-pure copper/silver ionization. Am J Infect Control 1994. [DOI: 10.1016/0196-6553(94)90162-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Hepatitis a outbreak among students and employes of a university medical center. Am J Infect Control 1994. [DOI: 10.1016/0196-6553(94)90229-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Abstract
Chemotherapy offers the potential for cure or substantial palliation of numerous malignancies. However, its effective use requires a carefully developed strategy to overcome the barriers presented by a variety of neoplasms. Curative treatment for those human malignancies that show sensitivity to the available drugs requires combinations of drugs in "dose intense" regimens. Autologous bone marrow transplants and cytokines allow larger doses of drugs and possibly will improve the cure rates. Maximum compliance and prevention of drug toxicity are essential.
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Abstract
A study was performed with rabbits to examine the efficacy of treatments for fecal peritonitis and, specifically, to determine whether it is beneficial to include antibiotics in the saline used to irrigate the peritoneum. A standardized inoculum of human stool suspension was placed in the peritoneal cavity of the rabbits. Fifty-six rabbits were studied to compare the effect of treatments begun 2 hours after peritoneal soiling. The administration of no treatment resulted in 100% mortality (14 of 14). Parenteral cefotetan 25 mg/kg intramuscularly (IM) twice a day (BID) with no other treatment reduced mortality to 50% (p less than 0.05). Cefotetan 25 mg/kg IM BID plus irrigation of the peritoneum with plain saline further reduced mortality to 21% (3 of 14, p less than 0.05). Cefotetan 25 mg/kg IM BID plus irrigation of the peritoneum with saline containing cefotetan 1.0 mg/mL reduced mortality to 14% (2 of 14, p = not significant). These treatments also produced a progressive decrease in the number of intraperitoneal abscesses from 24.0 +/- 2.1 (mean +/- SEM) in the animals receiving no treatment to 9.7 +/- 1.2 abscesses in the animals receiving peritoneal irrigation with saline containing cefotetan (p less than 0.001). A second experiment then was performed specifically to examine the efficacy of intraperitoneal antibiotics. A lethal fecal inoculum was determined in rabbits receiving conventional therapy, i.e., parenteral antibiotics (cefotetan) and irrigation of the peritoneum with plain saline. With two hours delay before treatment, cefotetan 25 mg/kg IM BID and irrigation with plain saline produced 80% mortality (11 of 14). Cefotetan 25 mg/kg IM BID plus cefotetan 1.0 mg/mL in the saline washout reduced mortality to 21% (3 of 14, p = 0.003) and markedly reduced the number of intraperitoneal abscesses from 13.4 +/- 0.7 in the animals receiving irrigation with plain saline to 8.1 +/- 0.8 in the animals receiving irrigation with saline containing cefotetan (p less than 0.0001). Thus, intraperitoneal irrigation with antibiotics was highly effective. Serum antibiotic levels drawn 30 minutes after irrigation were 112.7 +/- 22.4 micrograms/mL in animals that received irrigation with plain saline, and 101.7 +/- 15.2 micrograms/mL in animals that received irrigation with saline containing cefotetan. These serum levels were not significantly different. With 6 hours delay before treatment, all therapy was less effective. Cefotetan 25 mg/kg IM BID and irrigation with plain saline resulted in 100% mortality (14 of 14). With 6 hours delay, cefotetan 25 mg/kg IM BID and irrigation with saline containing cefotetan reduced mortality to 80% (11 of 14).(ABSTRACT TRUNCATED AT 400 WORDS)
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Cutaneous lesions of histoplasmosis with transepidermal elimination in a patient with acquired immunodeficiency syndrome. Cutis 1991; 47:397-400. [PMID: 1879175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Histoplasma capsulatum is a dimorphic pathogenic fungus that produces a variety of self-limiting disease syndromes in healthy persons, but commonly disseminates in immunocompromised hosts. Although histoplasmosis has been recently described in patients with acquired immunodeficiency syndrome, it is an uncommon finding, occurring in fewer than 0.5 percent of patients with acquired immunodeficiency syndrome. We are reporting a second case of disseminated histoplasmosis presenting as keratotic papules with transepidermal elimination of Histoplasma capsulatum. Our case demonstrates the importance of including histoplasmosis in the differential diagnosis of keratotic papules occurring in patients with acquired immunodeficiency syndrome.
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Multicenter, randomized trial of ciprofloxacin plus azlocillin versus ceftazidime plus amikacin for empiric treatment of febrile neutropenic patients. Am J Med 1989; 87:278S-282S. [PMID: 2686429 DOI: 10.1016/0002-9343(89)90080-6] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
In a multicenter, randomized clinical trial, the efficacy of ciprofloxacin plus azlocillin was compared with that of a standard regimen of ceftazidime plus amikacin for the initial empiric treatment of fever in neutropenic cancer patients. In addition, the efficacy of early conversion from intravenous therapy to orally administered ciprofloxacin was compared with that of continued ceftazidime plus amikacin. Seventy-one oncology patients with 79 episodes of fever and neutropenia were randomly assigned to receive initial empiric antibiotic therapy with either intravenously administered ciprofloxacin and azlocillin followed by orally administered ciprofloxacin (regimen 1, 25 episodes); ceftazidime and amikacin (regimen 2, 30 episodes); or ceftazidime and amikacin followed by oral ciprofloxacin (regimen 3, 24 episodes). Microbiologically documented infections were the cause of fever in 10 (40 percent), seven (23 percent), and nine (38 percent) episodes in regimens 1, 2, and 3, respectively, including six, five, and four episodes of bacteremia. Patient survival was 90 to 92 percent in each regimen; however, some modification of antimicrobial therapy occurred in 65, 44, and 41 percent of surviving patients in regimens 1, 2, and 3, respectively. The rate of clearance of initial bacteremia was 67 percent (four of six) in regimen 1, 100 percent (five of five) in regimen 2 and 50 percent (two of four) in regimen 3. Patients in regimens 1 and 3 were able to convert to orally administered ciprofloxacin in 32 (65 percent) of 49 episodes after a mean of six days of intravenous therapy. Superinfections occurred in 24, 10, and 12 percent of patients receiving regimens 1, 2, and 3, respectively, and occurred similarly for patients receiving orally administered ciprofloxacin, 12 percent (four of 32), and intravenous therapy, 17 percent (eight of 47). Parenteral ciprofloxacin was generally well tolerated. One (4 percent) of 25 patients receiving regimen 1 experienced oto- or nephrotoxicity, compared with eight (15 percent) of 54 patients receiving regimens 1, 2, and 3 (p = 0.15), including three patients who required premature termination of aminoglycoside therapy. Our data suggest that the combination of ciprofloxacin and azlocillin is an effective alternative to ceftazidime and amikacin for the initial empiric therapy of febrile neutropenic patients, is generally well tolerated, and avoids the oto- and nephrotoxicity associated with aminoglycoside use. In addition, a majority of patients could change to orally administered ciprofloxacin alone after six days of parenteral therapy.
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Clinical dietitians: on the critical list. Tough ADA requirements & low pay threaten to turn dietetics into a 'forgotten' profession. FOOD MANAGEMENT 1989; 24:68. [PMID: 10293956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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Abstract
Studies were performed in 120 rabbits to determine whether 72-hour peritoneal lavage is beneficial or harmful in the treatment of peritonitis. Results showed that against a high concentration fecal inoculum (90 percent mortality), peritoneal lavage containing gentamicin and clindamycin reduced mortality to 10 to 20 percent (p less than 0.05). Parenteral antibiotics alone and lavage not containing antibiotics did not decrease mortality. By contrast, against a low fecal inoculum (30 percent mortality), peritoneal lavage containing gentamicin and clindamycin did not alter mortality. However, lavage not containing antibiotics increased mortality to 70 to 80 percent (p less than 0.05). These data demonstrate that continuous peritoneal lavage may be helpful in the treatment of peritonitis provided the lavage solution contains antibiotics and may be harmful if it does not contain antibiotics.
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Abstract
To determine how pediatricians' prognostications and decisions about the treatment of infants with meningomyelocele are affected by varying degrees of hydrocephalus, we randomly selected a sample of pediatricians to receive written surveys. This questionnaire assessed the relationship between the decisions and the prognostications, and compared their accuracy with that of outcome studies. Each pediatrician completed a questionnaire for two of three possible cases, which were identically described as infants with meningomyelocele and complete paraplegia varying only in the degree of hydrocephalus at birth from none to moderate to severe. Recommendations for treatment and prognostications (the Prognostics Belief Scale of Impressions of adult functional capabilities and likely residential and vocational placements) were compared. Significantly fewer pediatricians would present information to parents in an encouraging light, and significantly fewer would treat their own child, if the case involved severe hydrocephalus in comparison with no hydrocephalus. Pediatricians' prognostications were the least optimistic for the infant with severe hydrocephalus and most optimistic for the infant without hydrocephalus, and they were considerably less optimistic than seems justified on the basis of follow-up studies. Last, physicians' less-than-optimistic prognoses were significantly related to their decisions concerning surgery for the infants with moderate and severe hydrocephalus. The major import of the findings is that pediatricians' prognoses reflect, in part, a misconception of the impact of hydrocephalus on children born with meningomyelocele and that these prognoses then have and impact on the pediatricians' decisions concerning treatment.
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Relationship between children's attitudes toward and their social acceptance of mentally retarded peers. AMERICAN JOURNAL OF MENTAL RETARDATION : AJMR 1988; 93:24-7. [PMID: 3415839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The relationship between the attitudes children express toward mentally retarded peers in laboratory settings and their social acceptance of such peers in their mainstream classrooms was examined. Forty-six fourth through sixth graders expressed their attitudes toward an unknown mentally retarded student presented in a videotape. They also indicated their social acceptance, rejection, or neglect of a mentally retarded peer in their classroom. A step-wise multiple regression analysis showed that children's attitudes toward the target child in the laboratory setting were related to their sociometric choices of the retarded classmate. Results supported previous indirect evidence of a relationship between children's attitudes toward retarded peers presented in a laboratory setting and their social acceptance of retarded peers mainstreamed in their classrooms.
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Incidence and microbiological etiology of middle ear effusion complicating endotracheal intubation and mechanical ventilation. J Infect Dis 1988; 157:368-9. [PMID: 3121762 DOI: 10.1093/infdis/157.2.368] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
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Pediatricians' perceptions of mentally retarded individuals. Pediatrics 1987; 80:643-9. [PMID: 3670966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Three hundred randomly selected members of the American Academy of Pediatrics were surveyed to determine their perceptions of mildly, moderately, and severely mentally retarded individuals. For each of the three categories of mental retardation, pediatricians completed the Prognostic Beliefs Scale which consisted of 27 functional capabilities and choices of residential and vocational placement. Of the 169 (56%) questionnaires returned, 142 (47%) were available for analysis. The pediatricians' perceptions were different for mildly, moderately, and severely retarded individuals. Most pediatricians believed mildly retarded individuals could do all but tasks requiring judgment, could function in unskilled competitive employment, and were likely to live in their own apartments. They believed that those with moderate retardation were limited in their capacity to simple and supervised tasks, could function in sheltered workshops, and were likely to live in group-home settings. They believed that severely retarded individuals were restricted to simple feeding tasks and following one-stage commands, were not capable of any productive employment, and would most likely live in institutions. Pediatric expectations and prognostications for placements were significantly lower than those of other professionals caring for mentally retarded individuals.
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Calculation of 2,3,7,8-TCDD equivalent concentrations of complex environmental contaminant mixtures. ENVIRONMENTAL HEALTH PERSPECTIVES 1986; 70:221-227. [PMID: 3830107 PMCID: PMC1474276 DOI: 10.1289/ehp.8670221] [Citation(s) in RCA: 31] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Sufficient toxicological data are now available to permit use of conventional risk assessment techniques to estimate the hazards associated with human exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin (2,3,7,8-TCDD). However, many real-world exposures involve complex mixtures of dibenzodioxins, dibenzofurans, and related compounds. Historical approaches to risk assessment on such mixtures have ranged from ignoring all compounds except 2,3,7,8-TCDD itself to assuming that all compounds have potencies equal to 2,3,7,8-TCDD. An alternative approach which uses existing literature data and analytical results to calculate the "2,3,7,8-TCDD equivalent" concentration of a mixture in order to "predict" its biological potency relative to 2,3,7,8-TCDD itself is advanced here. Previously reported in vivo acute and subchronic studies and some recently obtained analytical chemistry data are integrated here to clarify the utility of this important approach and to assess the uncertainties associated with its use. This predictive approach, and various conceptually similar ones, have now found wide applicability to the risk assessment process associated with exposure to complex mixtures of dioxins, dibenzofurans, and related compounds.
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Bacteriology of hospital-acquired pneumonia. ARCHIVES OF INTERNAL MEDICINE 1986; 146:868-71. [PMID: 3516102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Hospital-acquired pneumonia was studied prospectively for 3 1/2 years in a 549-bed facility with acute medical-surgical care wards, convalescent wards, and a chronic care unit. Bacteriological studies were limited to transtracheal aspirates, pleural fluid, and blood cultures. The predominant isolates in 159 patients were gram-negative bacilli (47%), anaerobic bacteria (35%), Staphylococcus aureus (31%), and Streptococcus pneumoniae (26%). Nearly half of all specimens yielded a polymicrobial flora with more than one potential pathogen. Distribution of pathogens was similar with analysis of all patients, including patients with a monomicrobial infection and patients with bacteremic pneumonia. The prevalence of cases and distribution of bacteria were similar for patients located on acute medical-surgical wards and those in the nursing home care unit. Nosocomial pneumonia was judged directly responsible for lethal outcome in 19% of patients and a contributing factor to death in another 13%.
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The uptake of preventive and curative child health services in Maputo, Mozambique. ANNALS OF TROPICAL PAEDIATRICS 1984; 4:177-82. [PMID: 6084466 DOI: 10.1080/02724936.1984.11748330] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
This study seeks to analyse the uptake of preventive and curative child health services in three health centres in Maputo, Mozambique. Within the context of overall social and economic change, Mozambique has given priority to Primary Health Care as the driving force of its newly developed National Health Service, with a principal focus on maternal and child health. Three health centres were selected from areas of contrasting environmental quality. Data were collected from over 6000 women attending the curative and preventive child health services at these centres. It was found that the women using curative services had significantly higher child mortality rates, had lived less time in Maputo City and had children of lower weight status than their counterparts attending for preventive care. Additionally, levels of child mortality were found to increase as environmental quality decreased. It is argued that the lower users of preventive care are, as in the U.K., precisely those who appear to have an increased risk of mortality and morbidity. It is concluded that integration between the curative and preventive health services must be increased in order to overcome the user inertia which militates against the poorer population using the facilities for prevention to the best advantage. This would fit in both with national strategies (1) and WHO recommendations (2-4) in the field of primary health care.
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The advent of primary health care in Mozambique. WORLD HOSPITALS 1984; 20:13-7. [PMID: 10268477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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Abstract
Peritonitis was produced in rabbits using a human fecal suspension. Catheters for multiple peritoneal lavage then were inserted and continuous irrigation was performed. Contrast material was injected on day 1, 2, or 3 to evaluate the mechanical effectiveness of irrigation. Radiologic studies revealed that contrast material penetrated most or all six regions in all animals. The addition of heparin to the irrigant did not alter the number of regions irrigated. It has been concluded the peritoneal irrigation effectively irrigates most of the peritoneal cavity for up to 3 days.
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The environmental impacts of the energy crisis : (Note 1). ENVIRONMENTAL MONITORING AND ASSESSMENT 1983; 3:107-108. [PMID: 24258830 DOI: 10.1007/bf00394035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
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Natural wood supplies in Kenya: An assessment of the ecological impact of its usage : (Note 2). ENVIRONMENTAL MONITORING AND ASSESSMENT 1983; 3:109-110. [PMID: 24258831 DOI: 10.1007/bf00394036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
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Acute toxicity in guinea pigs and rabbits of soot from a polychlorinated biphenyl-containing transformer fire. Toxicol Appl Pharmacol 1982; 65:425-39. [PMID: 6818717 DOI: 10.1016/0041-008x(82)90388-x] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Abstract
A patient with relapse of acute granulocytic leukemia developed an Aspergillus infection along the subcutaneous tract of a silicone rubber indwelling central venous catheter. The infection invaded the brachial plexus resulting in paralysis of the right upper extremity and subsequently invaded a major artery of the arm resulting in the demise of the patient. Both an infectious brachial plexus neuritis and fatal hemorrhage secondary to a Hickman catheter are apparently rare.
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The bacteriology of perimandibular space infections. JOURNAL OF ORAL SURGERY (AMERICAN DENTAL ASSOCIATION : 1965) 1979; 37:407-9. [PMID: 286029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The bacteriology of 21 perimandibular clised-space infections was studied prospectively using optimal bacteriological techniques to collect, transport, and process specimens. There was an average of six microbial species per specimen, including approximately four anaerobes and two aerobes. The predominant aerobes were alpha-hemolytic and non-hemolytic streptococci; the predominant anaerobes were peptostreptococci, Bacteroides melaninogenicus, and Fusobacterium nucleatum. These findings indicate that most perimandibular space infections involve a polymicrobial flora in which anaerobic bacteria are the dominant isolates. Antimicrobial decisions should account for these observations, particularly in cases where cultural data are not available or when anaerobic cultures are not performed with optimal techniques.
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Eikenella osteomyelitis of the mandible associated with anemia of chronic disease. JOURNAL OF ORAL SURGERY (AMERICAN DENTAL ASSOCIATION : 1965) 1978; 36:285-9. [PMID: 344842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
An unusual case of mixed bacterial osteomyelitis has been reported. The prodominant organism, E corrodens, normally is an inhabitant of the aerodigestive tract; its pathogenicity should not be overlooked in the diagnosis and treatment of oral infections. In addition, descriptions of anemia of chronic disease and of the spontaneous healing of a large defect of the bone have been presented.
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Chinese earthquake policy. DISASTERS 1977; 1:151-152. [PMID: 20958356 DOI: 10.1111/j.1467-7717.1977.tb00023.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
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Amikacin therapy for severe gram-negative sepsis: efficacy in infections involving gentamicin-resistant organisms. J Infect Dis 1976; 134 SUPPL:S428-32. [PMID: 993634 DOI: 10.1093/infdis/135.supplement_2.s428] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Thirty-eight patients with 41 serious infections due to gram-negative bacteria were treated with amikacin. Twenty of these infections involved organisms that were resistant to gentamicin. The results of therapy in 31 of the infections satisfied the criteria for bacteriologic and clinical cure. Eight patients with urinary tract infections and obstructive uropathy had a good clinical response, but routine follow-up cultures of urine at 30 days were positive. Two patients had persistent sepsis and were considered therapeutic failures. Toxicity to the eighth nerve was documented in three of 31 patients for whom routine audiometric testing was performed. These results indicate that amikacin is effective in the treatment of serious infections due to gram-negative bacilli and is particularly useful in infections involving resistant organisms.
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