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Biomedical subjects

J Bridgeman

Publications and source records attributed to J Bridgeman.

3 recordsLinked to original sources

How do nurses learn about family-centred care?

How do student nurses develop their understanding of the nebulous and ill-defined concept of family-centred care? Semi-structured interviews were used to explore how 10 child branch students described the concept and how they perceived the development of their understanding of it. According to the students, the concept incorporates interaction between the child, family and nurses to provide holistic care. Students learnt through reflection and by applying theory to practice. Although the practice they observed was varied, some of the students used more experienced nurses as role models. These findings emphasize the importance of clarifying the concept of family-centred care, of monitoring and updating the practice of supervisors in clinical areas and of encouraging reflection to help bridge the theory/practice gap.

Attitude of Health Personnel↗

A Corethane/polyester composite vascular prosthesis for vascular access. Comparison with expanded polytetrafluoroethylene grafts in a canine model.

An important need in hemodialysis is a self-sealing prosthesis for vascular access with at least equivalent patency and biostability to expanded polytetrafluoroethylene (ePTFE) alternatives. The authors have developed a Corethane/polyester composite (CPC) graft with an inner blood interfacing layer of spun Corethane fibers (10-15 microns diameter; pore size 30-60 microns) impregnated with a gelatin-heparin complex and an outer soft tissue interfacing warp-knitted polyester sheath. Twenty-six CPC grafts (6 mm internal diameter; 25-30 cm length) and eight Gore-Tex ePTFE grafts (same dimensions) were implanted as femoral artery-to-vein shunts in dogs on low dose (162 mg/day) aspirin, and subjected to weekly dialysis needle punctures for up to 52 weeks. Patency was 73% (19/26 with 15 at 52 weeks) for the CPC grafts and 63% (5/8 at 52 weeks) for the ePTFE controls, with more favorable healing (e.g., less extensive mural thrombi) of the CPC grafts. The hemostasis time per needle pair after removal (3.1 min mean for CPC versus 21.2 min mean for ePTFE) and the blood loss in achieving hemostasis (5.7 g mean for CPC versus 47.9 g for ePTFE) documented the significant (p < 0.0001) performance advantages of the CPC prosthesis.

Animals↗