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Biomedical subjects

A C Gordon

Publications and source records attributed to A C Gordon.

40 records · Page 3Linked to original sources
PubMedDate not supplied

Establishing an intracytoplasmic sperm injection (ICSI) programme for the treatment of male factor infertility in Ireland.

This paper chronicles the introduction and initial experiences of Intra Cytoplasmic Sperm Injection (ICSI) as a treatment for severe male factor infertility in Ireland. Following initial development of the technique using a bovine model, therapy was offered clinically from September 1995. Up to March 1996 a total of 60 couples underwent the procedure. Fertilisation and embryo transfers were achieved in 50 of these (83.3 percent). Fourteen (23 percent) became clinically pregnant per cycle commenced, 28 percent per embryo transfer. Despite a drop in the total number of oocytes available, fertilisation rates rose over the 6 months of the study from 22 percent to 54 percent. There were 2 miscarriages (14.2 percent) and the multiple pregnancy rate was 28.5 percent. Eight singletons, 2 twins and 2 triplet sets have been successfully delivered. Provided there is proper patient selection, ICSI should prove a valuable addition to treatment options available to infertile couples in Ireland.

Adult↗
PubMedDate not supplied

US-guided puncture of the internal jugular vein: complications and anatomic considerations.

PURPOSE: To examine success and complication rates for ultrasound (US)-guided cannulation of the internal jugular vein (IJV) in comparison with blind techniques and to present the variations in anatomy of the IJV. MATERIALS AND METHODS: Data were prospectively collected for 869 cases of sonographically guided cannulation of the IJV. In all cases, the side of the puncture, procedural success or failure, and any immediate complications were recorded. In 764 (88%) cases, the number of passes required and whether a single- or double-wall puncture was used were recorded. In 690 (79%) cases, IJV diameter and depth were recorded, while its relationship to the common carotid artery (CCA) was noted in 659 (76%) cases. RESULTS: Cannulation was successful in 868 (99.9%) cases. Complications occurred in 20 (2.3%) cases. Eighty-seven percent of cannulations were achieved with one pass and 83% with a single-wall puncture. Success at first pass was significantly correlated with right-sided puncture and the diameter of the IJV. In 5.5% of cases, the IJV lay medial to the CCA, making successful cannulation with use of the landmark technique unlikely. CONCLUSIONS: US-guided cannulation of the IJV is superior to blind techniques, increasing the success rate and incidence of first pass cannulation and reducing the incidence of complications.

Adolescent↗