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Biomedical subjects

G Wynne

Publications and source records attributed to G Wynne.

11 recordsLinked to original sources
PubMed1992

Clinical efficacy of spinal instrumentation in lumbar degenerative disc disease.

In review of 871 lumbar fusion procedures performed during the last 8 years, the theoretical advantages of lumbar spinal instrumentation are not borne out in simple discogenic disease. Four groups of 30-35 patients without previous surgery who underwent fusion by different techniques were matched for age, sex, length of follow-up, surgeons, number of levels fused, duration of preoperative symptoms, diagnosis, and type of third party payer. At least for the diagnoses of herniated disc with segmental instability and the instrumentation systems used in this study, results were superior with no internal fixation. This is in keeping with the higher complication rates and frequent need for implant removal reported by many authors.

Adult↗
PubMed1992

Instructors--a weak link in resuscitation training.

One explanation for the well documented poor basic resuscitation skills of health-care professionals is that these skills are not acquired during initial training. The first aim of our study was to assess the basic life-support skills of trainers teaching basic resuscitation. The second aim was to examine the relationship between the trainers' confidence and actual skill. We found that practical basic life-support skills prior to the two-day training course were poor. They were still inadequate after training. Assessments before and after the course showed significant positive correlation between confidence at performing basic life-support and actual skill. There is an urgent need for formal instructor training in the UK. The training programme should be evaluated, as should the performance of both trainers and trainees, to ensure that all have acquired the requisite skills.

Certification↗
PubMed1990

An advanced resuscitation training course for preregistration house officers.

Preregistration house officers need to be able to manage the first 5-10 minutes of a cardiac arrest. A course has been designed based on the recommendations of the Resuscitation Council UK 1984 and the format of the American Heart Association advanced cardiac life support course. Fifty-nine newly qualified doctors from the same medical school class were studied in two consecutive groups: Group 1 (n = 31) were commencing their first post and Group 2 (n = 28), whose first preregistration post had been at other hospitals without practical resuscitation training, were commencing their second post. They were pretested and taught in three 2-hour sessions. Five months later they were tested to measure retention of knowledge and skills. Before training there was no difference in knowledge between the two groups but Group 1 were more skilled. The knowledge and skills of both groups immediately after training were significantly improved and at 5 months skills were subject to modest decay only. Experience of managing cardiac arrests was not a substitute for formal practical training.

Educational Measurement↗
PubMed1988

Painful lumbar end-plate disruptions: a significant discographic finding.

Of the 692 discs injected during lumbar discograms, end-plate disruptions with leakage of contrast material into the vertebral bodies were noted in 14 discs. Although gentle pressure was applied during the injections, severe fully concordant pain was reproduced in four (28.3%) discs, moderately severe and fully concordant pain in nine (64.3%) discs, and mild discordant pain in one (7.4%) disc. This is compared to 11.2% of the remaining 678 discs without end-plate disruption that reproduced severe concordant pain, 31.1% with moderately severe concordant pain, 17.1% with mild pain, and 40.6% without any pain reproduction. The difference between pain frequency in discs with end-plate disruption and those without is statistically significant (P less than .001). This suggests that end-plate disruptions may be related to painful segments.

Adolescent↗
PubMed1988

Early results of spinal fusion using variable spine plating system.

Seventy-seven consecutive patients underwent application of variable spine plating (VSP) spinal plates between August 1984 and October 1985. Sixty-four percent had previous procedures at the same level or levels operated. Operative indications were spinal stenosis, segmental instability, unstable spondylolisthesis, herniated disc with instability, pseudoarthrosis, unstable fracture, and failed surgery syndrome with evidence of one of the preceding. Overall results showed 30% excellent, 30% good, 34% fair, 6% poor. There were four deep wound infections and 19 patients with one or more broken screws. Screw alignment and the angular relationship of each screw to the spinal plate are considered important technical factors in minimizing screw failure. Vigorous distraction of the vertebrae using interpedicular screws is rarely indicated. Twenty-four patients required reoperation. We feel the procedure is relatively indicated in cases of moderate to severe instability, such as some cases of spondylolisthesis, failed surgery with marked segmental instability, the obese, deconditioned patient, or cases of spinal stenosis rendered very unstable by surgical decompression, and most strongly indicated in unstable lumbar and thoracolumbar fractures.

Adult↗
PubMed1975

Total hip replacement as a salvage in traumatic lesions about the hip.

One hundred and eight total hip replacements have been accomplished in an attempt to salvage a problem caused by trauma. Many times, patients with traumatic arthritic problems have a quick transition from a normal existence to a severe disability. They may not have had the ability physically or mentally to handle this disability seen in patients with rheumatoid disease or idiopathic osteoarthritis. It has been shown that these patients with total joint replacement can be rehabilitated to almost a normal degree of function. Complications occur, but with careful planning and execution, they can be held to a minimum. In the long run, a high incidence of degenerative disease is seen in these problems. The primary procedure should not be done so as to jeopardize a secondary reconstruction.

Acetabulum↗