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Biomedical subjects

M I Solomon

Publications and source records attributed to M I Solomon.

7 recordsLinked to original sources
PubMed1998

Bypass fixation.

Hip replacement has been a great achievement of orthopaedic surgery as it reliably abolishes pain and restores function. The success of this operation has lead to its use not only in the elderly, but increasingly, in the higher demand that younger patients whose life expectancy is longer than the longevity of the prostheses used to date. Thus, we are seeing a growing number of patients who require a first or even repeat revision surgery, which is often complex and technically demanding.

Age Factors↗
PubMed1996

A technique of revision of failed acetabular components leaving the femoral component in situ.

Management of a failed acetabular prosthesis in the presence of a well-fixed femoral prosthesis poses a technical challenge in revision joint arthroplasty. While failures can occur at any age during the lifetime of a prosthesis, a pattern has emerged of earlier failure of the femoral component and later failure of the acetabular component. The authors describe a technique in which the stable femoral prosthesis is left in situ during acetabular revision. The advantages of this technique include excellent exposure of the acetabulum, reduction in operative time and intraoperative morbidity, as well as early postoperative mobilization.

Acetabulum↗
PubMed1993

Fracture and loosening of Charnley femoral stems. Comparison between first-generation and subsequent designs.

We report the results of a 4- to 17-year clinical and radiological follow-up of 264 Charnley first-generation stems in comparison with those of 402 second- and subsequent-generation stems. The incidence of fracture was 4.1% in first-generation stems and 0.5% in second- and subsequent-generation stems. The incidence of stem loosening requiring or likely to require revision was 3.1% in first-generation and 11.4% in second-generation stems. We believe that the increased loosening rate in second- and subsequent-generation stems is due to their larger cross-sectional area, which produces an increase in flexural stiffness.

Adolescent↗
PubMed1992

Survivorship of cemented total hip arthroplasty in patients 50 years of age or younger.

One hundred fifty-six Charnley low-friction arthroplasties performed in patients 50 years of age or younger are reviewed. Excluding sepsis, survivorship analysis showed a 12% probability of mechanical failure at 10 years. The detailed clinical and radiological results of 130 hips with a 3-16-year follow-up period are presented. Revision surgery was required in 14 hips (10.8%), for the following reasons: sepsis (2.3%), loose sockets (2.3%), loose stems (5.4%), and stem fracture (0.8%). Evidence of radiological loosening indicative of pending failure was present in 14 hips (12.0%). At 10 years the predicted failure rate of the surviving hips was 12%.

Adolescent↗
PubMed1980

Suicide and age in Alberta, Canada, 1951 to 1977. The changing profile.

The changing contribution of suicide among young persons to the entire suicide profile was examined. Using Alberta Vital Statistics data for the years 1951 to 1977 inclusive, suicide age profiles were constructed for each census year; age-specific changes in rates were compared; suicides by persons aged 15 to 29 years were expressed as a percentage of all suicides 15 years old and older by year and compared to corresponding population figures. Analyses were done for men and women separately and combined. The suicide age profile has shown a significant rise in rates among the young compared with older age groups and the number of suicides by persons between the ages of 15 and 29 has increased to a greater extent than can be explained by shifts in the age structure of the Alberta population.

Accidents↗
PubMed1980

Suicide and age in Alberta, Canada, 1951 to 1977. A cohort analysis.

A cohort analysis was undertaken of the 4,315 deaths by suicide registered in Alberta, Canada, Vital Statistics between the years of 1951 and 1977, inclusive. Age, gender, and year of death were available in all but two instances. Five-year age cohorts were identified and their suicide rates were followed as the cohorts aged. Analyses were done for men and women separately and combined. Suicide rates increased directly with age, regardless of gender for each cohort observed. Once a cohort entered the 15- to 19-year-old age range with a high rate of suicide, the rate for that cohort remained consistently high as it aged.

Adolescent↗