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1.
Br J Surg ; 107(10): 1250-1261, 2020 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-32350857

RESUMEN

BACKGROUND: The ongoing pandemic is having a collateral health effect on delivery of surgical care to millions of patients. Very little is known about pandemic management and effects on other services, including delivery of surgery. METHODS: This was a scoping review of all available literature pertaining to COVID-19 and surgery, using electronic databases, society websites, webinars and preprint repositories. RESULTS: Several perioperative guidelines have been issued within a short time. Many suggestions are contradictory and based on anecdotal data at best. As regions with the highest volume of operations per capita are being hit, an unprecedented number of operations are being cancelled or deferred. No major stakeholder seems to have considered how a pandemic deprives patients with a surgical condition of resources, with patients disproportionally affected owing to the nature of treatment (use of anaesthesia, operating rooms, protective equipment, physical invasion and need for perioperative care). No recommendations exist regarding how to reopen surgical delivery. The postpandemic evaluation and future planning should involve surgical services as an essential part to maintain appropriate surgical care for the population during an outbreak. Surgical delivery, owing to its cross-cutting nature and synergistic effects on health systems at large, needs to be built into the WHO agenda for national health planning. CONCLUSION: Patients are being deprived of surgical access, with uncertain loss of function and risk of adverse prognosis as a collateral effect of the pandemic. Surgical services need a contingency plan for maintaining surgical care in an ongoing or postpandemic phase.


ANTECEDENTES: La pandemia en curso tiene un efecto colateral sobre la salud en la prestación de atención quirúrgica a millones de pacientes. Se sabe muy poco sobre el manejo de la pandemia y sus efectos colaterales en otros servicios, incluida la prestación de servicios quirúrgicos. MÉTODOS: Se ha realizado una revisión de alcance de toda la literatura disponible relacionada con COVID-19 y cirugía utilizando bases de datos electrónicas, páginas web de sociedades, seminarios online y repositorios de pre-publicaciones. RESULTADOS: Se han publicado varias guías perioperatorias en un corto período de tiempo. Muchas recomendaciones son contradictorias y, en el mejor de los casos, se basan en datos anecdóticos. A medida que las regiones con el mayor volumen de operaciones per cápita se ven afectadas, se cancela o difiere un número sin precedentes de operaciones. Ninguna de las principales partes interesadas parece haber considerado cómo una pandemia priva de recursos a los pacientes que necesitan una intervención quirúrgica, con pacientes afectados de manera desproporcionada debido a la naturaleza del tratamiento (uso de anestesia, quirófanos, equipo de protección, contacto físico y necesidad de atención perioperatoria). No existen recomendaciones sobre cómo reanudar la actividad quirúrgica. La evaluación tras la pandemia y la planificación futura deben incluir a los servicios quirúrgicos como una parte esencial para mantener la atención quirúrgica adecuada para la población también durante un brote epidémico. La prestación de servicios quirúrgicos, debido a su naturaleza transversal y a sus efectos sinérgicos en los sistemas de salud en general, debe incorporarse a la agenda de la OMS para la planificación nacional de la salud. CONCLUSIÓN: Los pacientes se ven privados de acceso a la cirugía con una pérdida de función incierta y riesgo de un pronóstico adverso como efecto colateral de la pandemia. Los servicios quirúrgicos necesitan un plan de contingencia para mantener la atención quirúrgica durante la pandemia y en la fase post-pandemia.


Asunto(s)
COVID-19 , Atención a la Salud , Procedimientos Quirúrgicos Operativos , COVID-19/epidemiología , COVID-19/prevención & control , Salud Global , Humanos , Control de Infecciones/métodos , Control de Infecciones/normas , Pandemias , Atención Perioperativa/métodos , Atención Perioperativa/normas , Guías de Práctica Clínica como Asunto , Procedimientos Quirúrgicos Operativos/métodos , Procedimientos Quirúrgicos Operativos/normas
2.
Int J Surg ; 80: 231-240, 2020 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-32198096

RESUMEN

BACKGROUND: A baseline assessment of surgical capacity is recommended as a first-step to surgical system strengthening in order to inform national policy. In Ethiopia, the World Health Organization's Tool for Situational Analysis (WHO SAT) was adapted to assess surgical, obstetric, and anesthesia capacity as part of a national initiative: Saving Lives Through Safe Surgery (SaLTS). This study describes the process of adapting this tool and initial results. MATERIALS AND METHODS: The new tool was used to evaluate fourteen hospitals in the Southern Nations, Nationalities, and People's Region of Ethiopia between February and March 2017. Two analytic methods were employed. To compare this data to international metrics, the WHO Service Availability and Readiness Assessment (SARA) framework was used. To assess congruence with national policy, data was evaluated against Ethiopian SaLTS targets. RESULTS: Facilities had on average 62% of SARA items necessary for both basic surgery and comprehensive surgery. Primary, general, and specialized facilities offered on average 84%, 100%, and 100% of SARA basic surgeries, and 58%, 73% and 90% of SARA comprehensive surgeries, respectively. An average of 68% of SaLTS primary surgeries were available at primary facilities, 83% at general facilities, and 100% at specialized facilities. General and specialized hospitals offered an average of 80% of SaLTS general surgeries, while one specialized hospital offered 38% of SaLTS specialized surgeries. CONCLUSION: While the modified SaLTS Tool provided evaluation against Ethiopian national benchmarks, the resultant assessment was much lengthier than standard international tools. Analysis of results using the SARA framework allowed for comparison to global standards and provided insight into essential parts of the tool. An assessment tool for national surgical policy should maintain internationally comparable metrics and incorporation into existing surveys when possible, while including country-specific targets.


Asunto(s)
Anestesia/normas , Hospitales/normas , Procedimientos Quirúrgicos Obstétricos/normas , Mejoramiento de la Calidad , Procedimientos Quirúrgicos Operativos/normas , Etiopía , Femenino , Política de Salud , Humanos , Masculino , Embarazo , Organización Mundial de la Salud
3.
Anaesthesia ; 75 Suppl 1: e18-e27, 2020 01.
Artículo en Inglés | MEDLINE | ID: mdl-31903566

RESUMEN

Article 25 of the United Nations' Universal Declaration of Human Rights enshrines the right to health and well-being for every individual. However, universal access to high-quality healthcare remains the purview of a handful of wealthy nations. This is no more apparent than in peri-operative care, where an estimated five billion individuals lack access to safe, affordable and timely surgical care. Delivery of surgery and anaesthesia in low-resource environments presents unique challenges that, when unaddressed, result in limited access to low-quality care. Current peri-operative research and clinical guidance often fail to acknowledge these system-level deficits and therefore have limited applicability in low-resource settings. In this manuscript, the authors priority-set the need for equitable access to high-quality peri-operative care and analyse the system-level contributors to excess peri-operative mortality rates, a key marker of quality of care. To provide examples of how research and investment may close the equity gap, a modified Delphi method was adopted to curate and appraise interventions which may, with subsequent research and evaluation, begin to address the barriers to high-quality peri-operative care in low- and middle-income countries.


Asunto(s)
Anestesiología/métodos , Salud Global , Atención Perioperativa/métodos , Calidad de la Atención de Salud , Humanos
4.
BJS Open ; 3(5): 722-732, 2019 10.
Artículo en Inglés | MEDLINE | ID: mdl-31592517

RESUMEN

Background: Emergency and essential surgical, obstetric and anaesthesia (SOA) care are now recognized components of universal health coverage, necessary for a functional health system. To improve surgical care at a national level, strategic planning addressing the six domains of a surgical system is needed. This paper details a process for development of a national surgical, obstetric and anaesthesia plan (NSOAP) based on the experiences of frontline providers, Ministry of Health officials, WHO leaders, and consultants. Methods: Development of a NSOAP involves eight key steps: Ministry support and ownership; situation analysis and baseline assessments; stakeholder engagement and priority setting; drafting and validation; monitoring and evaluation; costing; governance; and implementation. Drafting a NSOAP involves defining the current gaps in care, synthesizing and prioritizing solutions, and providing an implementation and monitoring plan with a projected cost for the six domains of a surgical system: infrastructure, service delivery, workforce, information management, finance and governance. Results: To date, four countries have completed NSOAPs and 23 more have committed to development. Lessons learned from these previous NSOAP processes are described in detail. Conclusion: There is global movement to address the burden of surgical disease, improving quality and access to SOA care. The development of a strategic plan to address gaps across the SOA system systematically is a critical first step to ensuring countrywide scale-up of surgical system-strengthening activities.


Antecedentes: En la actualidad, se reconoce que la atención quirúrgica, obstétrica y anestésica urgente y esencial (surgical, obstetric, and anaesthesia, SOA) es uno de los componentes de la cobertura sanitaria universal y un elemento necesario para el funcionamiento de un sistema de salud. Para mejorar la atención quirúrgica a nivel nacional, se necesita una planificación estratégica que aborde los seis dominios de un sistema quirúrgico. En este artículo, se detalla el proceso para el desarrollo de un plan nacional de cirugía, obstetricia y anestesia (national surgical, obstetric, and anaesthesia plan, NSOAP) basado en las experiencias de los principales proveedores, los funcionarios del Ministerio de Salud, los líderes de la Organización Mundial de la Salud y consultores. Métodos: El desarrollo de un NSOAP incluye ocho pasos clave: (1) apoyo y dependencia del ministerio, (2) análisis de la situación y evaluaciones de referencia, (3) compromiso de los agentes implicados y establecimiento de prioridades, (4) redacción y validación, (5) seguimiento y evaluación, (6) análisis de costes, (7) gobernanza y (8) implementación. Redactar un NSOAP implica definir los déficits actuales en la atención, sintetizar y priorizar soluciones, y proporcionar un plan de implementación y seguimiento con unos costes proyectados para los seis dominios de un sistema quirúrgico: infraestructura, prestación de servicios, personal, gestión de la información, finanzas y gobernanza. Resultados: Hasta la fecha, cuatro países han completado un NSOAP y 23 más se han comprometido con su desarrollo. Las lecciones aprendidas de estos procesos previos de NSOAP se describen con detalle. Conclusiones: Existe un movimiento global para abordar la carga de las enfermedades que precisan cirugía, mejorar la calidad y el acceso a la atención SOA. El desarrollo de un plan estratégico para la aproximación sistemáticamente los déficits en todo el sistema SOA es un primer paso crítico para garantizar la ampliación a nivel nacional de las actividades de fortalecimiento del sistema quirúrgico.


Asunto(s)
Anestesia/métodos , Servicios Médicos de Urgencia/normas , Obstetricia/organización & administración , Procedimientos Quirúrgicos Operativos/métodos , Anestesia/economía , Anestesia/normas , Atención a la Salud/economía , Atención a la Salud/organización & administración , Femenino , Implementación de Plan de Salud/métodos , Fuerza Laboral en Salud/organización & administración , Humanos , Gestión de la Información , Liderazgo , Programas Nacionales de Salud/organización & administración , Obstetricia/economía , Obstetricia/normas , Participación de los Interesados , Procedimientos Quirúrgicos Operativos/economía , Procedimientos Quirúrgicos Operativos/normas , Atención de Salud Universal , Organización Mundial de la Salud/economía , Organización Mundial de la Salud/organización & administración
6.
Br J Surg ; 106(2): e44-e52, 2019 01.
Artículo en Inglés | MEDLINE | ID: mdl-30620060

RESUMEN

BACKGROUND: The field of global surgery has gained significant recent momentum, catalysed by the 2015 publication of the Lancet Commission on Global Surgery, Disease Control Priorities 3 and World Health Assembly resolution 68.15. These reports characterized the global burden of disease amenable to surgical care, called for global investment in surgical systems, and recognized surgery and anaesthesia as essential components of universal health coverage. METHODS: A strategy proposed to strengthen surgical care is the development of national surgical, obstetric and anaesthesia plans (NSOAPs). This review examined how NSOAPs could contribute to the achievement of sustainable development goals (SDGs) 1, 3, 5, 8, 9, 10, 16 and 17 by 2030, focusing on their potential impact on the healthcare systems in Ethiopia, Tanzania and Zambia. RESULTS: Due to the cross-cutting nature of surgery, obstetrics and anaesthesia, investing in these services will escalate progress to achieve gender equality, economic growth and infrastructure development. Universal health coverage will not be achieved without addressing the financial ramifications to the poor of seeking and receiving surgical care. NSOAPs provide a strategic framework and a data collection platform for evidence-based policy-making, accountability and implementation guidance. CONCLUSION: The development and implementation of data-driven NSOAPs should be recognized as a powerful road map to accelerate achievement of the SDGs by 2030.


Asunto(s)
Anestesiología/métodos , Atención a la Salud/métodos , Cirugía General/métodos , Obstetricia/métodos , Desarrollo Sostenible , Etiopía , Femenino , Salud Global , Objetivos , Disparidades en Atención de Salud , Humanos , Recién Nacido , Masculino , Embarazo , Mejoramiento de la Calidad , Tanzanía , Zambia
7.
Br J Surg ; 106(2): e138-e150, 2019 01.
Artículo en Inglés | MEDLINE | ID: mdl-30570764

RESUMEN

BACKGROUND: In 2015, six indicators were proposed to evaluate global progress towards access to safe, affordable and timely surgical and anaesthesia care. Although some have been adopted as core global health indicators, none has been evaluated systematically. The aims of this study were to assess the availability, comparability and utility of the indicators, and to present available data and updated estimates. METHODS: Nationally representative data were compiled for all World Health Organization (WHO) member states from 2010 to 2016 through contacts with official bodies and review of the published and grey literature, and available databases. Availability, comparability and utility were assessed for each indicator: access to timely essential surgery, specialist surgical workforce density, surgical volume, perioperative mortality, and protection against impoverishing and catastrophic expenditure. Where feasible, imputation models were developed to generate global estimates. RESULTS: Of all WHO member states, 19 had data on the proportion of the population within 2h of a surgical facility, 154 had data on workforce density, 72 reported number of procedures, and nine had perioperative mortality data, but none could report data on catastrophic or impoverishing expenditure. Comparability and utility were variable, and largely dependent on different definitions used. There were sufficient data to estimate that worldwide, in 2015, there were 2 038 947 (i.q.r. 1 884 916-2 281 776) surgeons, obstetricians and anaesthetists, and 266·1 (95 per cent c.i. 220·1 to 344·4) million operations performed. CONCLUSION: Surgical and anaesthesia indicators are increasingly being adopted by the global health community, but data availability remains low. Comparability and utility for all indicators require further resolution.


Asunto(s)
Cirugía General/estadística & datos numéricos , Salud Global/estadística & datos numéricos , Indicadores de Calidad de la Atención de Salud/estadística & datos numéricos , Humanos , Médicos/estadística & datos numéricos , Organización Mundial de la Salud
8.
Br J Surg ; 105(1): 86-95, 2018 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-29131303

RESUMEN

BACKGROUND: The WHO and the World Bank ask countries to report the national volume of surgery. This report describes these data for Sweden, a high-income country. METHODS: In an 8-year population-based observational cohort study, all inpatient and outpatient care in the public and private sectors was detected in the Swedish National Patient Register and screened for the occurrence of surgery. The entire Swedish population was eligible for inclusion. All patients attending healthcare for any disease were included. Incidence rates of surgery and likelihood of surgery were calculated, with trends over time, and correlation with sex, age and disease category. RESULTS: Almost one in three hospitalizations involved a surgical procedure (30·6 per cent). The incidence rate of surgery exceeded 17 480 operations per 100 000 person-years, and at least 58·5 per cent of all surgery was performed in an outpatient setting (range 58·5 to 71·6 per cent). Incidence rates of surgery increased every year by 5·2 (95 per cent c.i. 4·2 to 6·1) per cent (P < 0·001), predominantly owing to more outpatient surgery. Women had a 9·8 (95 per cent c.i. 5·6 to 14·0) per cent higher adjusted incidence rate of surgery than men (P < 0·001), mainly explained by more surgery during their fertile years. Incidence rates peaked in the elderly for both women and men, and varied between disease categories. CONCLUSION: Population requirements for surgery are greater than previously reported, and more than half of all surgery is performed in outpatient settings. Distributions of age, sex and disease influence estimates of population surgical demand, and should be accounted for in future global and national projections of surgical public health needs.


Asunto(s)
Países Desarrollados/estadística & datos numéricos , Procedimientos Quirúrgicos Operativos/estadística & datos numéricos , Adolescente , Adulto , Distribución por Edad , Anciano , Anciano de 80 o más Años , Procedimientos Quirúrgicos Ambulatorios/estadística & datos numéricos , Procedimientos Quirúrgicos Ambulatorios/tendencias , Niño , Preescolar , Femenino , Hospitalización/estadística & datos numéricos , Hospitalización/tendencias , Humanos , Lactante , Recién Nacido , Masculino , Persona de Mediana Edad , Evaluación de Necesidades , Sistema de Registros , Distribución por Sexo , Procedimientos Quirúrgicos Operativos/tendencias , Suecia , Adulto Joven
9.
Br J Surg ; 103(11): 1453-61, 2016 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-27428044

RESUMEN

BACKGROUND: Approximately 30 per cent of the global burden of disease is surgical, and nearly one-quarter of individuals who undergo surgery each year face financial hardship because of its cost. The Lancet Commission on Global Surgery has proposed the elimination of impoverishment due to surgery by 2030, but no country-level estimates exist of the financial burden of surgical access. METHODS: Using publicly available data, the incidence and risk of financial hardship owing to surgery was estimated for each country. Four measures of financial catastrophe were examined: catastrophic expenditure, and impoverishment at the national poverty line, at 2 international dollars (I$) per day and at I$1·25 per day. Stochastic models of income and surgical costs were built for each country. Results were validated against available primary data. RESULTS: Direct medical costs of surgery put 43·9 (95 per cent posterior credible interval 2·2 to 87·1) per cent of the examined population at risk of catastrophic expenditure, and 57·0 (21·8 to 85·1) per cent at risk of being pushed below I$2 per day. The risk of financial hardship from surgery was highest in sub-Saharan Africa. Correlations were found between the risk of financial catastrophe and external financing of healthcare (positive correlation), national measures of well-being (negative correlation) and the percentage of a country's gross domestic product spent on healthcare (negative correlation). The model performed well against primary data on the costs of surgery. CONCLUSION: Country-specific estimates of financial catastrophe owing to surgical care are presented. The economic benefits projected to occur with the scale-up of surgery are placed at risk if the financial burden of accessing surgery is not addressed in national policies.


Asunto(s)
Costo de Enfermedad , Salud Global/economía , Procedimientos Quirúrgicos Operativos/economía , Costos Directos de Servicios , Gastos en Salud , Humanos , Modelos Económicos , Pobreza/economía , Características de la Residencia/estadística & datos numéricos , Medición de Riesgo
10.
J Clin Pharm Ther ; 41(4): 409-13, 2016 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-27193482

RESUMEN

WHAT IS KNOWN AND OBJECTIVE: Identification of adequate antimicrobial dosing regimens for morbidly obese patients is essential given the simultaneous increase in morbid obesity and cellulitis prevalence in recent years. Insufficient data currently exist to describe the effectiveness of extrapolating traditional antibiotic dosing strategies to morbidly obese patients with cellulitis. The primary objective of this study was to compare therapeutic failure rates in non-obese and morbidly obese patients with cellulitis when treated with cephalexin at standard dosing. METHODS: This was a single-centre, retrospective cohort analysis. Adult patients hospitalized or under inpatient observation at a 1265-bed academic medical centre who received cephalexin monotherapy for non-purulent cellulitis from 2005 to 2015 were evaluated for inclusion. Patients were divided into two cohorts based on body mass index (BMI), where BMI <30 kg/m(2) was defined as non-obese and BMI ≥40 kg/m(2) as morbidly obese. Patients with critical risk factors for purulent or polymicrobial cellulitis were excluded. The primary outcome, therapeutic failure, was defined as a need for extended or additional antimicrobial therapy, surgical intervention, emergency department visit, or re-hospitalization within two to thirty days after cephalexin initiation. RESULTS AND DISCUSSION: A total of 94 patients (69 non-obese and 25 morbidly obese) met inclusion and exclusion criteria, which was below the estimated sample size needed to reach desired power. The rate of therapeutic failure in the morbidly obese group was similar to the non-obese group (20% vs. 14·5%, P = 0·53). Patients most commonly had extended or additional antibiotics prescribed in response to therapeutic failure with cephalexin. WHAT IS NEW AND CONCLUSION: Cephalexin failure rates for cellulitis did not differ statistically between morbidly obese and non-obese patients. The underpowered nature of this study is a limitation. Until further study with a larger sample size is completed, empiric adjustment of cephalexin dosing based solely on BMI may not be necessary.


Asunto(s)
Antibacterianos/uso terapéutico , Celulitis (Flemón)/tratamiento farmacológico , Cefalexina/uso terapéutico , Obesidad Mórbida/complicaciones , Anciano , Anciano de 80 o más Años , Antibacterianos/administración & dosificación , Índice de Masa Corporal , Cefalexina/administración & dosificación , Estudios de Cohortes , Relación Dosis-Respuesta a Droga , Femenino , Hospitalización , Humanos , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Factores de Riesgo , Insuficiencia del Tratamiento
11.
BJOG ; 122(2): 183-9, 2015 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-25546039

RESUMEN

BACKGROUND: Of the 287,000 maternal deaths every year, 99% happen in low- and middle-income countries. The vast majority could be averted with timely access to appropriate emergency obstetric care (EmOC). The proportion of women with complications of pregnancy or childbirth who actually receive treatment is reported as 'Met need for EmOC'. OBJECTIVE: To estimate the global met need for EmOC and to examine the correlation between met need, maternal mortality ratio and other indicators. SEARCH STRATEGY: A systematic review was performed according to the PRISMA guidelines. Searches were made in PubMed, EMBASE and Google Scholar. SELECTION CRITERIA: Studies containing data on met need in EmOC were selected. DATA COLLECTION AND ANALYSIS: Analysis was performed with data extracted from 62 studies representing 51 countries. World Bank data were used for univariate and multiple linear regression. MAIN RESULTS: Global met need for EmOC was 45% (IQR: 28-57%), with significant disparity between low- (21% [12-31%]), middle- (32% [15-56%]), and high-income countries (99% [99-99%]), (P = 0.041). This corresponds to 11.4 million (8.8-14.8) untreated complications yearly and 951 million (645-1174 million) women without access to EmOC. We found an inverse correlation between met need and maternal mortality ratio (r = -0.42, P < 0.001). Met need was significantly correlated with the proportion of births attended by skilled birth attendants (ß = 0.53 [95% CI 0.41-0.65], P < 0.001). AUTHORS' CONCLUSIONS: The results suggest a considerable inadequacy in global met need for EmOC, with vast disparities between countries of different income levels. Met need is a powerful indicator of the response to maternal mortality and strategies to improve EmOC act in synergy with the expansion of skilled birth attendance.


Asunto(s)
Países Desarrollados/estadística & datos numéricos , Países en Desarrollo/estadística & datos numéricos , Servicios Médicos de Urgencia/provisión & distribución , Salud Global , Necesidades y Demandas de Servicios de Salud , Obstetricia , Femenino , Humanos , Mortalidad Materna , Embarazo
12.
J Paediatr Child Health ; 40(11): 600-5, 2004 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-15469527

RESUMEN

OBJECTIVES: To explore the beliefs and practices of Australian surgeons regarding surgical intervention to release tongue-tie and to determine the main referral sources. In addition, we aimed to ascertain if there were differences in beliefs and practices according to surgical specialty. METHODS: Four hundred surgeons in three different surgical specialties were surveyed via questionnaire. Multiple choice response questions and open ended questions were used to explore beliefs and practices surrounding tongue-tie assessment, management and follow up. The questionnaires were distributed by email (where available), followed by fax and mail. RESULTS: A response rate of 80.8% (n = 323) was obtained. Of these, 236 (73%) reported they practised surgery to release tongue-tie; 46% were oral and maxillofacial surgeons, 37% were plastic surgeons and 17% were paediatric general surgeons. Indications for surgical management and follow up varied according to surgical specialty. There was no clear consensus regarding clinical indicators for surgery or functional outcomes following surgery. CONCLUSIONS: It appears that until a prospective study designed to address some of the controversial issues outlined is undertaken, we will remain ignorant about the need for surgery to release tongue-tie in children.


Asunto(s)
Frenillo Lingual/anomalías , Frenillo Lingual/cirugía , Procedimientos Quirúrgicos Orales/métodos , Cirugía Bucal/estadística & datos numéricos , Enfermedades de la Lengua/cirugía , Trastornos de la Articulación/etiología , Australia , Niño , Femenino , Humanos , Masculino , Pautas de la Práctica en Medicina/normas , Encuestas y Cuestionarios , Enfermedades de la Lengua/complicaciones , Resultado del Tratamiento
13.
Ann Plast Surg ; 46(6): 635-40, 2001 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-11405365

RESUMEN

Prenatal exposure to nitrofen is known to cause multiple malformations in mice. The reported malformations include lung hypoplasia, diaphragmatic hernia, cardiovascular defects, skeletal malformations, cleft palate, and renal abnormalities. The authors present detailed findings of craniofacial defects after prenatal exposure to nitrofen, and propose that together with the previously reported malformations, nitrofen exposure induces a Fryns phenotype in mice. Fryns syndrome is a rare human genetic syndrome that is an autosomal recessive disorder characterized by lung hypoplasia, diaphragmatic hernia, craniofacial malformations, skeletal malformations, cardiovascular malformations, and genitourinary malformations. Timed-pregnant Swiss Webster mice were gavage-fed 25 mg of nitrofen on day 8 of gestation. Control animals received olive oil. Osteogenesis and chondrogenesis were studied in fetuses recovered on day 17 after Alcian blue-Alizarin red staining. Approximately 26% of the nitrofen-exposed embryos had severe craniofacial defects, and there was generalized delay in chondrogenesis and osteogenesis throughout the skeleton. No such defects were noted in the control group. The authors propose that prenatal exposure to nitrofen induces a Fryns phenotype in mice, and thus speculate that nitrofen may target similar molecular mechanisms to those that lead to Fryns syndrome.


Asunto(s)
Anomalías Inducidas por Medicamentos/patología , Herbicidas/toxicidad , Éteres Fenílicos/toxicidad , Animales , Huesos/anomalías , Anomalías Craneofaciales/inducido químicamente , Anomalías Craneofaciales/patología , Femenino , Feto/efectos de los fármacos , Ratones , Embarazo , Síndrome
14.
J Craniofac Surg ; 12(1): 6-18, 2001 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-11314190

RESUMEN

Frontoethmoidal encephaloceles are herniations of the intracranial contents through a defect in the skull at the junction of the frontal and ethmoidal bones. They are generally classified as nasofrontal, nasoethmoidal, and naso-orbital, although there may be some overlap or multiplicity. The records of 35 patients treated for frontoethmoidal encephaloceles were examined. Of these, 12 cases with complete and accurate medical records were evaluated in detail. The successful correction of frontoethmoidal encephaloceles was shown to depend on the following: a detailed understanding of the pathological anatomy (such as interorbital hypertelorism rather than true orbital hypertelorism and the presence of secondary trigonocephaly), careful planning of the bone movements to correct these deformities, and attention to detail regarding the placement of scars, positioning of the medial canthi, and the nasal reconstruction. Avoiding the "long-nose" deformity often seen after repair should be a priority. In general, the authors recommend a one-stage repair with both a transcranial and external approach.


Asunto(s)
Craneotomía/métodos , Encefalocele/cirugía , Adolescente , Factores de Edad , Niño , Preescolar , Craneosinostosis/complicaciones , Craneotomía/efectos adversos , Encefalocele/complicaciones , Hueso Etmoides/cirugía , Hueso Frontal/cirugía , Humanos , Hidrocefalia/etiología , Hipertelorismo/etiología , Lactante , Estudios Retrospectivos , Rinoplastia
15.
Ann Plast Surg ; 45(6): 607-11, 2000 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-11128758

RESUMEN

The tuberous breast deformity is one of the most challenging congenital breast anomalies. The nomenclature, classification, and treatment of this pathological condition have varied considerably. In this study, 16 patients with 23 tuberous breast deformities are evaluated. The breast deformities are classified according to the three-tier classification system used at the authors' institution. The treatment pattern is evaluated and a flexible algorithm is discussed for the treatment of the tuberous breast deformity.


Asunto(s)
Mama/anomalías , Mama/cirugía , Mamoplastia/métodos , Enfermedades de la Mama/clasificación , Enfermedades de la Mama/congénito , Femenino , Humanos
16.
Ann Plast Surg ; 45(5): 525-30, 2000 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-11092363

RESUMEN

The VACTERL association is an acronym for a constellation of abnormalities affecting the spinal column, anus, heart, trachea, esophagus, kidneys, and limbs that are seen in newborns. It has been shown that prenatal rats exposed to Adriamycin demonstrate a similar series of anomalies. It is the aim of this study to characterize the spectrum of limb anomalies in this model. Female Sprague-Dawley rats (N = 18; 14 experimental and 4 control) were used. After mating, pregnant animals received intraperitoneal injections of Adriamycin (2 mg per kilogram) on days 6, 7, 8, and 9 of gestation. Fetuses were recovered on day 21 of gestation. Ten experimental litters (42 fetuses) and two control litters (18 fetuses) underwent skeletal staining with Alizarin Red S stain. Four experimental litters (N = 18) and two control litters (N = 17) underwent histological study including staining for vascular and neural structures. Upper limb anomalies were found in 45% of the experimental animals, all including either hypoplasia or bending of the radius. The ulna was involved in 37% of the affected limbs. There were no isolated ulnar deformities. There were no histological differences noted. The spectrum of upper limb anomalies seen in the Adriamycin-exposed prenatal rat closely approximates, in incidence and morphology, the upper limb deformities seen with the VACTERL association in children. It is a reliable model for use in additional studies of the embryological mechanism by which these defects arise.


Asunto(s)
Anomalías Múltiples , Modelos Animales de Enfermedad , Radio (Anatomía)/anomalías , Cúbito/anomalías , Anomalías Inducidas por Medicamentos , Animales , Antibióticos Antineoplásicos/toxicidad , Doxorrubicina/toxicidad , Femenino , Feto/efectos de los fármacos , Masculino , Embarazo , Ratas , Ratas Sprague-Dawley
17.
Ann Plast Surg ; 45(3): 329-31, 2000 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-10987537

RESUMEN

The great advantages of the radial forearm fasciocutaneous flap are offset by the dilemmas associated with its donor site. The most commonly encountered problems are the functional and cosmetic sequelae of skin graft loss with consequent exposure of volar forearm tendons, the superficial sensory branch of the radial nerve, and the radius. Techniques that minimize donor site morbidity are those that provide a well-vascularized bed for the protection of exposed tendon, nerve, and bone, and for the acceptance of skin grafts. A technique involving the mobilization of the flexor pollicis longus muscle belly in conjunction with the abductor pollicis longus with approximation to the flexor digitorum superficialis muscle belly provides stable, well-vascularized coverage of the radial forearm flap donor site, with reliable skin graft acceptance and no functional sequelae.


Asunto(s)
Complicaciones Posoperatorias/prevención & control , Colgajos Quirúrgicos , Donantes de Tejidos , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Brazo , Niño , Humanos , Persona de Mediana Edad , Trasplante/métodos
18.
J Oral Maxillofac Surg ; 58(8): 862-5; discussion 866, 2000 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-10935585

RESUMEN

PURPOSE: This study attempted to identify differential cytokeratin expression in cystic jaw lesions using immunohistochemical staining. PATIENTS AND METHODS: The charts from selected patients treated between 1983 and 1994 for jaw cysts were evaluated. Twenty-four paraffinized specimens were selected randomly for investigation with 5 immunohistochemical stains. The 4 diagnostic categories included ameloblastoma, dentigerous cyst, odontogenic keratocyst (OKC), and recurrent odontogenic keratocyst in patients with nevoid basal cell carcinoma (NBCC) syndrome. The 5 immunohistochemical stains included antibodies to cytokeratins 13, 17, and 18; CAM 5.2; AE 1/3; and carcinoembryonic antigen (CEA). RESULTS: Differential staining of OKCs from patients with and without NBCC syndrome was found only with the antibody to cytokeratin 17. Furthermore, staining of OKCs in syndromic patients appeared to be stronger and more uniform than in nonsyndromic patients. CONCLUSIONS: These findings suggest that immunohistochemical staining for cytokeratin 17 may aid in the diagnosis of OKCs and may be used to further subdivide these lesions based on the presence or absence of NBCC syndrome.


Asunto(s)
Queratinas/análisis , Queratinas/biosíntesis , Quistes Odontogénicos/diagnóstico , Ameloblastoma/diagnóstico , Anticuerpos Monoclonales , Síndrome del Nevo Basocelular/complicaciones , Síndrome del Nevo Basocelular/diagnóstico , Quiste Dentígero/diagnóstico , Diagnóstico Diferencial , Humanos , Técnicas para Inmunoenzimas , Neoplasias Maxilomandibulares/complicaciones , Neoplasias Maxilomandibulares/diagnóstico , Quistes Odontogénicos/complicaciones , Quistes Odontogénicos/metabolismo , Distribución Aleatoria , Muestreo , Coloración y Etiquetado
19.
Plast Reconstr Surg ; 105(3): 864-72, 2000 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-10724244

RESUMEN

The lips are a complex laminated structure. When lost through injury or disease, they present a complex reconstructive challenge. The facial artery musculomucosal (FAMM) flap is a composite flap with features similar to those of lip tissue. In this article, the anatomy, dissection, and clinical applications for the use of the FAMM flap in lip and vermilion reconstruction are discussed. A series of 16 FAMM flaps in 13 patients is presented. Seven patients had upper-lip reconstruction and six had lower-lip reconstruction. Superiorly based FAMM flaps were used in eight patients, and eight inferiorly based flaps were performed in five patients. Three patients had bilateral, inferiorly based flaps. In summary, the FAMM flap is a local flap that can be used for lip and vermilion reconstruction. Although not identical to the lip, it has many similar features, which make it an excellent option for lip reconstruction.


Asunto(s)
Labio/cirugía , Procedimientos de Cirugía Plástica/métodos , Colgajos Quirúrgicos , Adolescente , Adulto , Malformaciones Arteriovenosas/cirugía , Femenino , Humanos , Labio/irrigación sanguínea , Labio/lesiones , Enfermedades de los Labios/cirugía , Neoplasias de los Labios/cirugía , Masculino , Persona de Mediana Edad , Osteorradionecrosis/cirugía , Colgajos Quirúrgicos/irrigación sanguínea
20.
Ann Plast Surg ; 43(5): 546-50, 1999 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-10560874

RESUMEN

Giant congenital pigmented nevi pose a substantial reconstructive challenge for the treating physician. Due to the increased risk of malignant transformation in such lesions, complete excision with tissue expansion or skin grafting is the generally accepted treatment. These modalities can, however, leave the patient with secondary deformities that also require complex reconstructive procedures. The following case details a patient requiring secondary reconstruction with large-volume tissue expansion 12 years after excision of a giant nevus, and split-thickness skin grafting. This patient illustrates a severe secondary deformity and the usefulness of large-volume serial expansion in such patients.


Asunto(s)
Contractura/cirugía , Nevo Pigmentado/cirugía , Complicaciones Posoperatorias , Neoplasias Cutáneas/cirugía , Expansión de Tejido , Niño , Femenino , Humanos , Nevo Pigmentado/congénito , Neoplasias Cutáneas/congénito , Expansión de Tejido/métodos
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