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Biomedical subjects

D J Fox

Publications and source records attributed to D J Fox.

33 records · Page 2Linked to original sources
PubMed1972

Origin of leg musculature during Drosophila metamorphosis.

Pro- and mesothoracic leg imaginal disks of late third-instar larvae of genotypes affecting the electrophoretic mobilities of alpha-glycerolphosphate dehydrogenase (EC 1.1.1.8) and arginine kinase (EC 2.7.3.3) were transplanted into host larvae of different genotypes. The metamorphosed implants were analyzed microscopically for the presence of musculature, histochemically for the distribution of enzyme activity, and electrophoretically for determination of the phenotypes of the two muscle-marker enzymes. The results permit the conclusion that leg imaginal disks contain muscle stem-cells.

Adipose Tissue↗
PubMedDate not supplied

Management of the difficult pediatric airway in an austere environment using the lightwand.

Increasingly, medical teams are providing sophisticated surgical treatment to pediatric patients in developing nations. Such care is often administered under relatively austere conditions using easily transported equipment. Because some of these patients may present with congenital or acquired airway abnormalities that make direct laryngoscopy difficult or impossible, alternative methods of endotracheal intubation should be available. One such technique is lightwand-guided endotracheal intubation. Use of the lightwand has a proven record of success and obviates the need for the heavier, more delicate, and more expensive flexible fiber-optic laryngoscope or pediatric bronchoscope. Two cases are reported in which pediatric patients with difficult airway anatomy due to severe burn scar contractures were successfully and easily intubated using the lightwand. This technique is useful for management of the difficult pediatric airway in the austere environment of the typical medical relief mission.

Anesthesia↗
PubMedDate not supplied

Rapid orotracheal intubation in the clenched-jaw patient: a modification of the lightwand technique.

Emergency airway management of the patient with a clenched jaw can present a special challenge to the anesthesiologist. We describe four cases in which the patients had a clenched jaw and nasotracheal intubation was either contraindicated or several attempts had failed. All patients were successfully orotracheally intubated by a modification of the lightwand technique.

Adolescent↗
PubMedDate not supplied

Primary care experiences and preferences of urban youth.

There are few qualitative studies that assess the experiences and preferences of urban youth with regard to use of primary care. The purpose of this pilot survey was to identify positive and negative influences and underlying issues for adolescents leading to seeking and returning for primary health care. Four focus groups totaling 20 diverse adolescents ranging in age from 13 to 21 years were conducted between April 1994 and June 1994. Participants were recruited through existing peer leadership groups that meet regularly at community health centers or afterschool programs. Urban adolescents are most concerned with being respected and treated well by primary care providers. They want to be listened to, to have their problems taken seriously, and to be treated with dignity and respect. Participants expressed strong preferences regarding sex, sexual orientation, and language of providers, but not for race or ethnicity. Qualitative methods such as focus groups give a voice to youth to advocate for access to adolescent-specific health services. Further research is needed to corroborate the results of this study, to expand our understanding of existing problems, and to investigate the predictors of health care use by vulnerable youth.

Adolescent↗
PubMedDate not supplied

Youth perceptions of comprehensive adolescent health services through the Boston HAPPENS program.

INTRODUCTION: The Boston HAPPENS (HIV Adolescent Provider and Peer Education Network for Services) program is a collaborative network of care made up of 8 organizations that serve youth and provide coordinated care for human immunodeficiency virus (HIV)-positive, homeless, and at-risk youth aged 12 to 24 years. Learning youth perceptions about the program is essential to determine if the program is meeting their needs. METHODS: In this qualitative evaluation, 18 youth served by the network met in 4 focus groups to provide their view of the program. Services within 5 categories were assessed: (a) medical care, (b) mental health and substance abuse care, (c) HIV prevention and care, (d) case management, and (e) allocation of finances. RESULTS: Boston HAPPENS has achieved name recognition and provides many needed services for youth from a wide variety of backgrounds. The youth were comfortable receiving care and were appreciative of the comprehensive services available. They provided suggestions for how mental health services could be offered as one-on-one counseling as part of "wellness care." Young participants also requested more recreational and support opportunities for young people living with HIV. DISCUSSION: Qualitative evaluations such as this give a voice to youth to advocate for services they need. By including youth ideas and perspectives during program development and implementation, services can be more attractive to groups of at-risk youth who historically have been less likely to seek care.

Adolescent↗