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1.
Br J Surg ; 104(6): 704-709, 2017 May.
Artículo en Inglés | MEDLINE | ID: mdl-28251600

RESUMEN

BACKGROUND: Dual-practice, simultaneous employment by healthcare workers in the public and private sectors is pervasive worldwide. Although an estimated 30 per cent of the global burden of disease is surgical, the implications of dual practice on surgical care are not well understood. METHODS: Anonymous in-depth individual interviews on trauma quality improvement practices were conducted with healthcare providers who participate in the care of the injured at ten large hospitals in Peru's capital city, Lima. A grounded theory approach to qualitative data analysis was employed to identify salient themes. RESULTS: Fifty interviews were conducted. A group of themes that emerged related to the perceived negative and positive impacts of dual practice on the quality of surgical care. Participants asserted that the majority of physicians in Lima working in the public sector also worked in the private sector. Dual practice has negative impacts on physicians' time, quality of care in the public sector, and surgical education. Dual practice positively affects patient care by allowing physicians to acquire management and quality improvement skills, and providing incentives for research and academic productivity. In addition, dual practice provides opportunities for clinical innovations and raises the economic status of the physician. CONCLUSION: Surgeons in Peru report that dual practice influences patient care negatively by creating time and human resource conflicts. Participants assert that these conflicts widen the gap in quality of care between rich and poor. This practice warrants redirection through national-level regulation of physician schedules and reorganization of public investment in health via physician remuneration.


Asunto(s)
Actitud del Personal de Salud , Medicina de Emergencia , Empleo/psicología , Cirujanos/psicología , Competencia Clínica/normas , Estudios Transversales , Atención a la Salud , Difusión de Innovaciones , Humanos , Renta , Motivación , Pautas de la Práctica en Medicina , Sector Privado , Sector Público , Calidad de la Atención de Salud , Cirujanos/normas
2.
Br J Surg ; 103(1): 51-9, 2016 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-26560502

RESUMEN

BACKGROUND: This study aimed to describe national peripheral vascular disease (PVD) risk and health burden, and vascular care capacity in Ghana. The gap between PVD burden and vascular care capacity in low- and middle-income countries was defined, and capacity improvement priorities were identified. METHODS: Data to estimate PVD risk factor burden were obtained from the World Health Organization Study on Global Ageing and Adult Health (SAGE), Ghana, and the Institute of Health Metrics and Evaluation Global Burden of Disease (IHME GBD) database. In addition, a novel nationwide assessment of vascular care capacity was performed, with 20 vascular care items assessed at 40 hospitals in Ghana. Factors contributing to specific item deficiency were described. RESULTS: From the SAGE database, there were 4305 respondents aged at least 50 years with data to estimate PVD risk. Of these, 57·4 per cent were at moderate to risk high of PVD with at least three risk factors; extrapolating nationally, the estimate was 1 654 557 people. Based on IHME GBD data, the estimated disability-adjusted life-years incurred from PVD increased fivefold from 1990 to 2010 (from 6·3 to 31·7 per 100 000 persons respectively). Vascular care capacity assessment demonstrated marked deficiencies in items for diagnosis, and in perioperative and vascular surgical care. Deficiencies were most often due to absence of equipment, lack of training and technology breakage. CONCLUSION: Risk factor reduction and management as well as optimization of current resources are paramount to avoid the large burden of PVD falling on healthcare systems in low- and middle-income countries. These countries are not well equipped to handle vascular surgical care, and rapid development of such capacity would be difficult and expensive.


Asunto(s)
Creación de Capacidad , Países en Desarrollo , Accesibilidad a los Servicios de Salud/estadística & datos numéricos , Enfermedades Vasculares Periféricas/epidemiología , Adulto , Anciano , Anciano de 80 o más Años , Costo de Enfermedad , Femenino , Ghana/epidemiología , Humanos , Masculino , Persona de Mediana Edad , Enfermedades Vasculares Periféricas/diagnóstico , Enfermedades Vasculares Periféricas/etiología , Enfermedades Vasculares Periféricas/terapia , Medición de Riesgo , Factores de Riesgo
3.
Epidemiol Infect ; 144(10): 2230-40, 2016 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-26899531

RESUMEN

Boiling is the most common method of household water treatment in developing countries; however, it is not always effectively practised. We conducted a randomized controlled trial among 210 households to assess the effectiveness of water pasteurization and safe-storage interventions in reducing Escherichia coli contamination of household drinking water in a water-boiling population in rural Peru. Households were randomized to receive either a safe-storage container or a safe-storage container plus water pasteurization indicator or to a control group. During a 13-week follow-up period, households that received a safe-storage container and water pasteurization indicator did not have a significantly different prevalence of stored drinking-water contamination relative to the control group [prevalence ratio (PR) 1·18, 95% confidence interval (CI) 0·92-1·52]. Similarly, receipt of a safe-storage container alone had no effect on prevalence of contamination (PR 1·02, 95% CI 0·79-1·31). Although use of water pasteurization indicators and locally available storage containers did not increase the safety of household drinking water in this study, future research could illuminate factors that facilitate the effective use of these interventions to improve water quality and reduce the risk of waterborne disease in populations that boil drinking water.


Asunto(s)
Agua Potable/microbiología , Infecciones por Escherichia coli/prevención & control , Pasteurización/métodos , Purificación del Agua/métodos , Calidad del Agua , Escherichia coli/fisiología , Composición Familiar , Humanos , Perú , Población Rural
4.
Inj Prev ; 21(e1): e71-9, 2015 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-24914101

RESUMEN

BACKGROUND: There are few population-based studies on household child injury in African countries. OBJECTIVES: To determine the incidence, characteristics and risk factors of household and neighbourhood injury among children in semiurban communities in Kumasi, Ghana. METHODS: We conducted a cross-sectional population-weighted survey of 200 randomly selected caregivers of children under 18, representing 6801 households. Caregivers were interviewed about moderate to severe childhood injuries occurring within the past 6 months, for which the child staying home from school or activity, and/or required medical care. Multivariable logistic regression was used to identify factors associated with injury risk. RESULTS: Annual injury incidence was 593.5 injuries per 1000 children. Common causes of injury were falls (315.7 injuries per 1000 children), followed by cuts/lacerations and burns. Most injuries (93.8%) were of moderate severity. Children whose caregivers were hourly workers (AOR=1.97; 95% CI 1.06 to 3.68) had increased odds of sustaining an injury compared to those of unemployed caregivers. Girls had decreased odds of injury (AOR=0.59; 95% CI 0.39 to 0.91). Cooking outdoors (AOR=0.45; 95% CI 0.27 to 0.76) and presence of cabinet/cupboards (AOR=0.41; 95% CI 0.24 to 0.70) in the house were protective. Among children under 5 years of age, living in uncompleted accommodation was associated with higher odds of injury compared with living in a rented single room (AOR=3.67; 95% CI 1.17 to 11.48). CONCLUSIONS: The incidence of household and neighbourhood child injury is high in semiurban Kumasi. We identified several novel injury risk factors (hourly work, younger children) and protective factors (cooking outdoors, presence of cabinet/cupboards). These data may identify priorities for household injury prevention.


Asunto(s)
Heridas y Lesiones/epidemiología , Accidentes por Caídas , Accidentes Domésticos/estadística & datos numéricos , Adolescente , Quemaduras/epidemiología , Niño , Preescolar , Estudios Transversales , Femenino , Ghana/epidemiología , Humanos , Incidencia , Lactante , Laceraciones/epidemiología , Modelos Logísticos , Masculino , Factores de Riesgo , Población Urbana/estadística & datos numéricos , Heridas y Lesiones/etiología
5.
Br J Surg ; 101(1): e9-22, 2014 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-24272924

RESUMEN

BACKGROUND: Surgical disease is inadequately addressed globally, and emergency conditions requiring surgery contribute substantially to the global disease burden. METHODS: This was a review of studies that contributed to define the population-based health burden of emergency surgical conditions (excluding trauma and obstetrics) and the status of available capacity to address this burden. Further data were retrieved from the Global Burden of Disease Study 2010 and the University of Washington's Institute for Health Metrics and Evaluation online data. RESULTS: In the index year of 2010, there were 896,000 deaths, 20 million years of life lost and 25 million disability-adjusted life-years from 11 emergency general surgical conditions reported individually in the Global Burden of Disease Study. The most common cause of death was complicated peptic ulcer disease, followed by aortic aneurysm, bowel obstruction, biliary disease, mesenteric ischaemia, peripheral vascular disease, abscess and soft tissue infections, and appendicitis. The mortality rate was higher in high-income countries (HICs) than in low- and middle-income countries (LMICs) (24.3 versus 10.6 deaths per 100,000 inhabitants respectively), primarily owing to a higher rate of vascular disease in HICs. However, because of the much larger population, 70 per cent of deaths occurred in LMICs. Deaths from vascular disease rose from 15 to 25 per cent of surgical emergency-related deaths in LMICs (from 1990 to 2010). Surgical capacity to address this burden is suboptimal in LMICs, with fewer than one operating theatre per 100,000 inhabitants in many LMICs, whereas some HICs have more than 14 per 100,000 inhabitants. CONCLUSION: The global burden of surgical emergencies is described insufficiently. The bare estimates indicate a tremendous health burden. LMICs carry the majority of emergency conditions; in these countries the pattern of surgical disease is changing and capacity to deal with the problem is inadequate. The data presented in this study will be useful for both the surgical and public health communities to plan a more adequate response.


Asunto(s)
Tratamiento de Urgencia/mortalidad , Procedimientos Quirúrgicos Operativos/mortalidad , Costo de Enfermedad , Urgencias Médicas/epidemiología , Tratamiento de Urgencia/economía , Tratamiento de Urgencia/estadística & datos numéricos , Salud Global , Gastos en Salud , Humanos , Mortalidad Prematura , Años de Vida Ajustados por Calidad de Vida , Procedimientos Quirúrgicos Operativos/economía , Procedimientos Quirúrgicos Operativos/estadística & datos numéricos
6.
Diabet Med ; 31(9): 1114-20, 2014 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-24825001

RESUMEN

AIM: To evaluate adherence to the 2012 Infectious Diseases Society of America practice guidelines for the management of patients with diabetic foot infections and to determine an association between adherence and clinical outcome. METHODS: A retrospective chart review was performed to evaluate the management and clinical outcomes of patients with diabetic foot infections treated with outpatient parenteral antimicrobial therapy between 1 January 2011 and 30 June 2012 at Wishard Health Services/Eskenazi Health. Adherence to individual Infectious Diseases Society of America diabetic foot infection treatment guideline recommendations was measured, and then assessed in relation to clinical outcome. RESULTS: A total of 57 patients (61% male, mean age 54 years) with moderate to severe diabetic foot infection met the inclusion criteria. None of the treatment courses of these patients adhered to all the Infectious Diseases Society of America guideline recommendations. The recommendations most frequently adhered to were consultation of appropriate multidisciplinary teams (n=54, 94.7%) and performance of diagnostic imaging (n=52, 89.5%). The recommendations least frequently adhered to were diabetic foot wound classification scoring on admission (n=0, 0%), appropriate culture acquisition (n=12, 21.2%), surgical intervention when indicated (n=32, 46.2%) and appropriate empiric antibiotic selection (n=34, 59.7%). Of 56 patients, 52 (92.9%) experienced clinical cure at the end of outpatient parenteral antimicrobial therapy compared with 34 of 53 patients (64%) at 6 months after the completion of therapy. Adherence to individual guidelines was not associated with clinical outcome. Patients who experienced treatment failure were more likely to have severe diabetic foot infection or peripheral neuropathy. CONCLUSIONS: Adherence to the Infectious Diseases Society of America diabetic foot infection guideline recommendations was found to be suboptimal in the present study. The effect of adhering to individual Infectious Diseases Society of America diabetic foot infection recommendations on clinical outcome needs to be investigated.


Asunto(s)
Antibacterianos/uso terapéutico , Infecciones Bacterianas/tratamiento farmacológico , Pie Diabético/tratamiento farmacológico , Hemoglobina Glucada/metabolismo , Adhesión a Directriz , Úlcera/microbiología , Adulto , Anciano , Anciano de 80 o más Años , Infecciones Bacterianas/diagnóstico , Infecciones Bacterianas/microbiología , Desbridamiento , Pie Diabético/diagnóstico , Pie Diabético/microbiología , Femenino , Humanos , Indiana/epidemiología , Masculino , Persona de Mediana Edad , Guías de Práctica Clínica como Asunto , Estudios Retrospectivos , Factores de Riesgo , Resultado del Tratamiento
7.
PLoS One ; 18(8): e0290816, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-37651448

RESUMEN

BACKGROUND: Trauma is a leading cause of mortality and morbidity, disproportionately affecting low- and middle-income countries. Musculoskeletal trauma results in the majority of post-traumatic morbidity and disability globally. The literature has reported many performance indicators relating to trauma care, but few specific to musculoskeletal injuries. STUDY OBJECTIVES: The purpose of this study was to establish a practical list of performance indicators to evaluate and monitor the quality and equity of musculoskeletal trauma care delivery in health systems worldwide. METHODS: A scoping review was performed that identified performance indicators related to musculoskeletal trauma care. Indicators were organized by phase of care (general, prevention, pre-hospital, hospital, post-hospital) within a modified Donabedian model (structure, process, outcome, equity). A panel of 21 experts representing 45 countries was assembled to identify priority indicators utilizing a modified Delphi approach. RESULTS: The scoping review identified 1,206 articles and 114 underwent full text review. We included 95 articles which reported 498 unique performance indicators. Most indicators related to the hospital phase of care (n = 303, 60%) and structural characteristics (n = 221, 44%). Mortality (n = 50 articles) and presence of trauma registries (n = 16 articles) were the most frequently reported indicators. After 3 rounds of surveys our panel reached consensus on a parsimonious list of priority performance indicators. These focused on access to trauma care; processes and key resources for polytrauma triage, patient stabilization, and hemorrhage control; reduction and immobilization of fractures and dislocations; and management of compartment syndrome and open fractures. CONCLUSIONS: The literature has reported many performance indicators relating to trauma care, but few specific to musculoskeletal injuries. To create quality and equitable trauma systems, musculoskeletal care must be incorporated into development plans with continuous monitoring and improvement. The performance indicators identified by our expert panel and organized in a modified Donabedian model can serve as a method for evaluating musculoskeletal trauma care.


Asunto(s)
Fracturas Abiertas , Luxaciones Articulares , Traumatismo Múltiple , Sistema Musculoesquelético , Humanos , Técnica Delphi
8.
Afr J Emerg Med ; 13(4): 306-310, 2023 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-38021351

RESUMEN

Background: Shortages in the right cadres of human resources to manage health emergencies remain an acute problem especially in low- and middle-income countries. Efforts to address this challenge are dependent on the knowledge and competency of emergency nurses. We sought to determine the knowledge level of nurses in emergency management in the Ashanti Region of Ghana. Methods: We used a cross-sectional, quantitative approach to evaluate knowledge about emergency care among 408 nurses working in wards and emergency units in 11 randomly selected district hospitals (6 public and 5 faith-based). Participants were purposively selected and examined on knowledge level using a structured questionnaire. The inclusion criteria were different cadres of nurses who had spent at least 6 months in the selected hospitals. Results: Four hundred and eight nurses participated. Most were general nurses (73.1 %) or mid-wives (14.4 %), with few specialised in emergency nursing (3.9 %) or critical care nursing (1.6 %). Mean percentage correct on an objective 20 question test on emergency care was 59.8 %. Few (35.6 %) nurses felt that they had adequate knowledge to manage emergencies. Around half (52.5 %) had received training in managing critically ill and injured patients through continuing professional development and 46.6 % felt prepared to work at emergency units. But few (34.7 %) reported having adequate logistics to manage emergencies and fewer (32.2 %) had time off to access training opportunities. Predictors of reporting adequate knowledge to manage emergencies included: having received training in managing critically ill and injured patients (p<.002), feeling prepared to work at emergency units (p<.001), and having adequate logistics to manage emergencies (p<.001). Conclusion: Most nurses did not feel that they had adequate knowledge to manage emergencies. This study has identified increased availability of continuing professional development on emergency care for nurses as a priority in Ghana.

9.
Int J Inj Contr Saf Promot ; 29(3): 394-398, 2022 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-35389822

RESUMEN

Many road traffic injuries in low- and middle-income countries (LMICs) are to bus passengers. We sought to determine the availability, functionality, and observed vs. self-reported use of seatbelts in large intercity buses in Ghana. We observed seatbelt use for 1,184 passengers in 35 large intercity buses. We interviewed a separate group of 633 bus passengers. All buses observed had seatbelts and most (92.6%) were functional. A little over a fifth (21.6%) of passengers were observed to wear seatbelts. However, 34.5% of passengers in the self-reported survey indicated always wearing seatbelts when riding in buses. Passengers on 5 buses out of the 35 observed where the driver verbally prompted them to wear seatbelts were more likely (57.8%) to wear seatbelts than on the other buses (15.3%, p = 0.001). Comparing the self-reported survey with observations, passengers tended to overinflate seatbelt use by a factor of 1.6. This study provides useful information for efforts to increase and monitor seatbelt use among large intercity bus passengers in LMICs.Supplemental data for this article is available online at.


Asunto(s)
Vehículos a Motor , Cinturones de Seguridad , Accidentes de Tránsito , Ghana , Humanos , Autoinforme , Encuestas y Cuestionarios
10.
Hernia ; 24(3): 617-623, 2020 06.
Artículo en Inglés | MEDLINE | ID: mdl-31429025

RESUMEN

PURPOSE: To estimate the population-based annual rate of hernia surgery in Ghana, so as to better define the met and unmet need and to identify opportunities to decrease the unmet need. METHODS: Data on operations performed from June 2014 to May 2015 were obtained from representative samples of 48 of 124 district (first-level) hospitals, 9 of 11 regional (referral) hospitals, and 3 of 5 tertiary hospitals, and scaled-up to nationwide estimates. Rates of hernia surgery were compared to previously published annual incidence of symptomatic hernia in Ghana (210/100,000 population) and to published annual rates of hernia surgery in high-income countries (120-275/100,000). RESULTS: Estimated 17,418 [95% uncertainty interval (UI) 8154-26,683] hernia operations were performed nationally. The annual rate of hernia operations was 65 operations/100,000 population (95% UI 30.2-99.0). The rate was considerably less than the annual incidence of new symptomatic hernia or rates of hernia surgery in high-income countries. Hernia operations represented 7.5% of all operations. Most hernia operations (74%) were performed at district hospitals. Most district hospitals (54%) did not have fully trained surgeons, but nonetheless performed 38% of district-level hernia operations. CONCLUSIONS: The rate of hernia operations fell short of estimated need. Most hernia repairs were performed at district hospitals, many without fully trained surgeons. Future global surgery benchmarking needs to address both overall surgical rates as well as rates for specific highly important operations. Countries can strengthen their planning for surgical care by defining their total, met, and unmet need for hernia surgery.


Asunto(s)
Hernia/epidemiología , Herniorrafia/estadística & datos numéricos , Adolescente , Adulto , Anciano , Niño , Preescolar , Países en Desarrollo/estadística & datos numéricos , Femenino , Ghana/epidemiología , Necesidades y Demandas de Servicios de Salud/estadística & datos numéricos , Hernia/complicaciones , Hernia Abdominal/complicaciones , Hernia Abdominal/epidemiología , Hernia Abdominal/cirugía , Herniorrafia/normas , Hospitales Públicos/estadística & datos numéricos , Humanos , Hernia Incisional/complicaciones , Hernia Incisional/epidemiología , Hernia Incisional/cirugía , Lactante , Recién Nacido , Masculino , Persona de Mediana Edad , Adulto Joven
11.
Shock ; 5(4): 235-40, 1996 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-8721381

RESUMEN

Two recent studies have examined the efficacy of interferon-gamma in reducing infection and death in patients sustaining severe injury. Both included multi-center, randomized, double-blinded placebo-control design. The first trial, conducted at four university trauma centers, enrolled 213 patients, while the second trial involved nine university trauma centers and 416 subjects. Recombinant human interferon-gamma (100 micrograms) was administered subcutaneously daily for 10 days in the first trial and 21 days in the second, in addition to standard supportive therapy. In both trials infection rates were similar in the treatment arms. Although the death rate related to infection was not affected in the first study, the second trial suggested an improved outcome from this complication. The outcome of the larger trial was flawed by dominant findings at one center that had the highest enrollment, infection, and death rates. Confounding variable analysis presented here explains much of the difference between center findings in the larger trial. Thus, the benefit of interferon-gamma as an immune adjuvant in severe injury is clouded by study design flaws evaluating its use and by the inability to identify appropriate subjects using clinical criteria.


Asunto(s)
Interferón gamma/uso terapéutico , Ensayos Clínicos Controlados Aleatorios como Asunto , Proyectos de Investigación , Infección de Heridas/tratamiento farmacológico , Heridas y Lesiones/complicaciones , Adolescente , Animales , Cricetinae , Antígenos HLA-DR/biosíntesis , Humanos , Estudios Multicéntricos como Asunto , Análisis Multivariante , Oportunidad Relativa , Proteínas Recombinantes , Infección de Heridas/complicaciones , Infección de Heridas/mortalidad , Heridas y Lesiones/tratamiento farmacológico , Heridas y Lesiones/mortalidad
12.
Int J Epidemiol ; 28(4): 750-5, 1999 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-10480706

RESUMEN

BACKGROUND: Injury is a major public health problem in many developing countries. Due to limitations of vital registry and health service data, surveys are an important tool to obtain information about injury in these countries. The value of such surveys can be limited by incomplete recall. The most appropriate recall period to use in surveys on injury in developing countries has not been well addressed. METHODS: A household survey of injury in Ghana was conducted. Estimated annual non-fatal injury incidence rates were calculated for 12 recall periods (1-12 months prior to the interview, with each successively longer period including the preceding shorter periods). RESULTS: There was a notable decline in the estimated rate from 27.6 per 100 per year for a one-month recall period to 7.6 per 100 per year for a 12-month recall period (72% decline). The extent of this decline was not influenced by age, gender, rural versus urban location, nor by type of respondent (in-person versus proxy). Rate of decline was influenced by severity of injury. Injuries resulting in <7 days of disability showed an 86% decline in estimated rates from a one-month to a 12-month recall period, whereas injuries resulting in > or =30 days of disability showed minimal decline. CONCLUSIONS: In this setting, longer recall periods significantly underestimate the injury rate compared to shorter recall periods. Shorter recall periods (1-3 months) should be used when calculating the overall non-fatal injury incidence rate. However, longer recall periods (12 months) may be safely used to obtain information on the more severe, but less frequent, injuries.


Asunto(s)
Recuerdo Mental , Vigilancia de la Población/métodos , Sistema de Registros/estadística & datos numéricos , Heridas y Lesiones/epidemiología , Adolescente , Adulto , Niño , Preescolar , Evaluación de la Discapacidad , Femenino , Ghana/epidemiología , Humanos , Incidencia , Lactante , Recién Nacido , Masculino , Persona de Mediana Edad , Reproducibilidad de los Resultados , Población Rural , Índices de Gravedad del Trauma , Población Urbana , Heridas y Lesiones/diagnóstico , Heridas y Lesiones/rehabilitación
13.
Surgery ; 104(3): 494-9, 1988 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-3413678

RESUMEN

With use of an objective numerical rating system for the assessment of the presence or absence of pneumonia on a chest x-ray film, 81 patients in the surgical intensive care unit with positive sputum cultures were assigned to either colonization (C; 39 patients) or pneumonia (P; 42 patients) groups. Respiratory failures preceding the first positive sputum culture and hepatic and/or renal failure were more frequent in the P group. Escherichia coli and Pseudomonas species, as well as polymicrobial sputa, were more common in the P group. Positive blood or pleural cultures with the same organism found in the sputum were noted in 10 of 11 P patients and only 3 of 10 C patients. Broad-spectrum antibiotic therapy directed at all sputum pathogens decreased mortality in the P group but not in the C group. We conclude that an objective rating system for chest x-ray diagnosis provides a reasonable method for separating patients with pneumonia from those with colonization. We recommend antibiotic therapy directed at all sputum pathogens in patients in surgical intensive care units. For such therapy to be successful, however, diagnostic criteria must be precise and exclude patients with colonized pathogens.


Asunto(s)
Infección Hospitalaria/epidemiología , Unidades de Cuidados Intensivos , Neumonía Neumocócica/epidemiología , Complicaciones Posoperatorias/epidemiología , Bacterias/aislamiento & purificación , Cuidados Críticos , Infección Hospitalaria/mortalidad , Femenino , Hongos/aislamiento & purificación , Humanos , Masculino , Persona de Mediana Edad , Neumonía Neumocócica/diagnóstico por imagen , Neumonía Neumocócica/mortalidad , Complicaciones Posoperatorias/mortalidad , Radiografía , Rhode Island , Esputo/microbiología
14.
Arch Surg ; 132(4): 399-404, 1997 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-9108761

RESUMEN

OBJECTIVE: To determine the effect of payer status on outcome and resource utilization in motor vehicle-related trauma patients. DESIGN: Retrospective cohort analysis that assessed the effect of payer status on outcome and resource utilization. SETTING: The single level I trauma center in a regionalized statewide system. PATIENTS: Consecutive patients (N = 3141) who were hospitalized after a motor vehicle crash during a 3-year period. MAIN OUTCOME MEASURES: The mortality rate, disposition, total hospital length of stay (LOS), total intensive care unit LOS, and total hospital charges were examined for 2 categories of payers: "commercial insurance" (commercial, labor and industry, and contract pay) and "noncommercial insurance" (Medicaid and self-pay). RESULTS: After controlling for age, sex, race, and the Injury Severity Score, the payer status had no overall effect on the mortality rate, disposition, total hospital charges, total hospital LOS, or total intensive care unit LOS. However, there was a significantly (11.4%; P < .05) longer LOS for those patients with noncommercial insurance who required transfer to another facility for rehabilitation or long-term care. CONCLUSIONS: The utilization of hospital trauma care resources in a level I facility in a regionalized system was not associated with insurance status. Patients with noncommercial insurance who required transfer to elective long-term care facilities had a longer LOS due to delays in obtaining subsequent access. Health care policy should provide appropriate reimbursement for all aspects of regionalized trauma care systems to ensure maintenance of an egalitarian approach to care.


Asunto(s)
Accidentes de Tránsito , Cobertura del Seguro , Centros Traumatológicos/estadística & datos numéricos , Adulto , Estudios de Cohortes , Femenino , Humanos , Masculino , Estudios Retrospectivos
15.
Arch Surg ; 130(11): 1234-40; discussion 1240-1, 1995 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-7487468

RESUMEN

OBJECTIVE: To test the hypothesis that antibiotics leading to greater endotoxin release are associated with greater mortality in septic trauma patients. DESIGN: Post hoc analysis of data from a previously conducted prospective, randomized, multicenter study designed to evaluate the efficacy of interferon gamma in preventing infection and death in trauma patients. SETTING: Nine level I trauma centers. PATIENTS: Severely injured trauma patients at high risk for sepsis. Eighty percent (N = 334) of the enrolled patients developed some manifestation of gram-negative sepsis, defined by the administration of gram-negative specific antibiotics. MAIN OUTCOME MEASURES: The in-hospital mortality rate of patients who received penicillin-binding protein 3/tumor necrosis factor (PBP3/TNF)-specific antibiotics associated with the greatest degree of endotoxin release and TNF production (PBP3/TNF group, n = 78: aztreonam, ceftazidime, and cefotaxime sodium) was compared with that of patients not receiving these agents (non-PBP3/TNF group, n = 256). RESULTS: Mortality in the PBP3/TNF group (17%) was higher than in the non-PBP3/TNF group (8%, P = .02). The two groups were similar in their mean (+/- SD) Injury Severity Scores (34 +/- 9), ages (31 +/- 12 years), and initial degree of bacterial contamination. CONCLUSIONS: Antibiotics that are associated with greater release of endotoxin and production of TNF are also associated with greater mortality in septic trauma patients. Decisions regarding antibiotic administration may need to consider the endotoxin-releasing properties of antibiotics in addition to their antibacterial sensitivity spectrum. Prospective studies of the effect of endotoxin-releasing properties of antibiotics on mortality are warranted.


Asunto(s)
Antibacterianos/uso terapéutico , Endotoxinas/biosíntesis , Sepsis/metabolismo , Heridas y Lesiones/complicaciones , Adulto , Anciano , Humanos , Análisis Multivariante , Sepsis/tratamiento farmacológico , Sepsis/etiología , Sepsis/mortalidad , Heridas y Lesiones/metabolismo , Heridas y Lesiones/mortalidad
16.
Anticancer Res ; 20(6B): 4435-9, 2000.
Artículo en Inglés | MEDLINE | ID: mdl-11205284

RESUMEN

BACKGROUND: Malignant glioma are often resistant to cisplatin. Numerous chemical modifications have been made to overcome this limitation. Analyzing such novel compounds, we previously hypothesized, that hydrophobicity improves the cytotoxicity of NH3 substituted platinum agents. MATERIALS AND METHODS: Testing this hypothesis, we synthesized further eight novel platinum agents, substituting the NH3 groups with various pyridyl ring systems. The cytotoxicity was measured in MTT tests using the cisplatin resistant human U25 1 malignant glioma cell line as a model. Solubility was measured in water using flameless atomic absorption spectroscopy. RESULTS: Cytotoxicity correlated significantly with low water solubility. The relation of cells surviving 72-hours of 1 OuM drug exposure was best described by a logarithmic formula: Surviving cells (% of control) = 6.4 + 38.4 log (water solubility in mg Pt/L) Adding an oximgroup to the aromatic substitute decreased cytotoxicity. CONCLUSIONS: These data confirmed that increased hydophobicity increases cytotoxicity in this group. This might be caused by better cellular penetration, or by shielding of DNA-adducts from repair processes. The data created a further hypothesis: A positive mesomeric effect as characteristic for the oxim-group might decrease DNA binding, a negative mesomeric might improve it.


Asunto(s)
Antineoplásicos/química , Diseño de Fármacos , Compuestos de Platino/química , Antineoplásicos/farmacología , Supervivencia Celular , Relación Dosis-Respuesta a Droga , Resistencia a Antineoplásicos , Ensayos de Selección de Medicamentos Antitumorales , Humanos , Peso Molecular , Compuestos de Platino/farmacología , Solubilidad , Células Tumorales Cultivadas/efectos de los fármacos
17.
Anticancer Res ; 20(1A): 445-9, 2000.
Artículo en Inglés | MEDLINE | ID: mdl-10769694

RESUMEN

BACKGROUND: The anticancer activity of cisplatin derives from its ability to crosslink DNA. Cisplatin-resistance is partially caused by enhanced nucleotide excision repair (NER). Major 1,2-intrastrand crosslinks can create a hydrophobic notch at the damage site, which can be specifically bound by damage-recognition proteins, thus shielded from NER-activity. We aimed at preventing resistance by enhancing this mechanism using more hydrophobic platinum compounds. METHODS: We synthesized three platinum analogs with increased hydrophobic characteristics. Performing MTT-assays, the efficacy of cisplatin and the novel agents was compared in a fibroblast and eight brain tumour cell lines. RESULTS: Among the novel compounds, the most hydrophobic molecule, methylpyridineplatinum, was most cytotoxic (LC50 = 5.84 x 10(-5) M), followed by methylpyrazineplatinum, the second most hydrophobic (LC50 = 1.79 x 10(-4) M), and pyridineplatinum (LC50 = 2.76 x 10(-4) M). Overall, cisplatin revealed highest cytotoxicity (LC50 = 8.77 x 10(-6) M). CONCLUSIONS: Comparison of the novel compounds supports the hypothesis that increased hydrophobicity contributes to higher antitumour-activity. Other advantageous characteristics of cisplatin might relate to its remaining highest efficacy.


Asunto(s)
Antineoplásicos/farmacología , Bencimidazoles/síntesis química , Cisplatino/farmacología , Reactivos de Enlaces Cruzados/farmacología , Compuestos Organoplatinos/síntesis química , Antineoplásicos/síntesis química , Bencimidazoles/química , Bencimidazoles/farmacología , Neoplasias Encefálicas/patología , Fenómenos Químicos , Química Física , Cisplatino/química , Reactivos de Enlaces Cruzados/síntesis química , Reparación del ADN/genética , Diseño de Fármacos , Resistencia a Antineoplásicos/genética , Ensayos de Selección de Medicamentos Antitumorales , Fibroblastos/efectos de los fármacos , Glioma/patología , Humanos , Meduloblastoma/patología , Estructura Molecular , Compuestos Organoplatinos/química , Compuestos Organoplatinos/farmacología , Relación Estructura-Actividad , Células Tumorales Cultivadas/efectos de los fármacos
18.
Am Surg ; 56(9): 561-5, 1990 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-2393200

RESUMEN

There have been 11 reported survivors from blunt-trauma-induced right ventricular rupture and only three from left ventricular rupture. We report the fourth case of a survivor of blunt left ventricular rupture. This patient presented with hypotension from both hemorrhage into the left chest and pericardial tamponade. The tamponade was relieved via an emergent left thoracotomy, the bleeding from the rent in the left ventricle was easily controlled, and repair was straightforward.


Asunto(s)
Lesiones Cardíacas/cirugía , Heridas no Penetrantes/cirugía , Adulto , Lesiones Cardíacas/diagnóstico , Lesiones Cardíacas/fisiopatología , Ventrículos Cardíacos/lesiones , Ventrículos Cardíacos/fisiopatología , Ventrículos Cardíacos/cirugía , Humanos , Masculino , Métodos , Rotura , Tasa de Supervivencia , Heridas no Penetrantes/diagnóstico , Heridas no Penetrantes/fisiopatología
19.
Am Surg ; 60(3): 200-4, 1994 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-8116982

RESUMEN

Malignant degeneration is a rare occurrence in pilonidal disease. The authors present three new cases with a review of the world's previously published 41 cases. Among the total 44 cases, 36 were squamous cell carcinoma. All cases occurred in the setting of long-standing pilonidal disease, with the mean duration of antecedent disease being 23 years. Five of six patients presenting with inguinal metastases died within 16 months. Four patients received adjuvant radiation therapy, one received adjuvant chemotherapy, and one patient in the current series received both adjuvant chemotherapy and radiation. Six patients with recurrence underwent potentially curative resection, with three patients surviving greater than 10 years with no evidence of disease. The authors propose consideration of adjuvant chemotherapy and radiation as a new modality to decrease the local recurrence rate.


Asunto(s)
Carcinoma de Células Escamosas/complicaciones , Seno Pilonidal/complicaciones , Adulto , Femenino , Humanos , Masculino , Persona de Mediana Edad , Región Sacrococcígea
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