The cement-canal prosthesis: A new cementation technique studied in cadaver femora

Jansson, Volkmar

doi:10.3109/17453679408995442

Cited by 5 publications

(8 citation statements)

References 5 publications

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“…A number of investigations have focused on the importance of the quality of the bonecement interface created at the operation (Majkowski et al 1993, Jansson 1994, Juliusson et al 1994, Ritter et al 1994. Poor penetration of the cement into the trabecular bone caused by insufficient preparation and interposition of blood reduces the strength of the interface and may cause loosening.…”

mentioning

confidence: 99%

Evaluation of Boneloc®: Chemical and mechanical properties, and a randomized clinical study of 30 total hip arthroplasties

Thanner

Freij-Larsson

Kärrholm

et al. 1995

Acta Orthopaedica Scandinavica

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mentioning

confidence: 99%

Evaluation of Boneloc®: Chemical and mechanical properties, and a randomized clinical study of 30 total hip arthroplasties

Thanner

Freij-Larsson

Kärrholm

et al. 1995

Acta Orthopaedica Scandinavica

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“…As the intramedullary pressure is likely to correlate positively with the number of embolic events [23], high peak pressures increase the risk of cardiopulmonary damage. However, to reach the recommended cement mantle of 2-5 mm in all areas [24], a pressure of approximately 2,000 mmHg is assumed to be sufficient [21,22]. Besides, Kapoor et al could show that a constant pressure, even though lower, is more important than a high peak pressure [27].…”

Section: Discussionmentioning

confidence: 99%

“…However, the conventional stem from which the cement injection stem is derived has shown good mid-term survival rates [33,34]. Furthermore, the cement mantle produced by the secondary cementing technique has been found to be effective [20,21], and an in-vivo long-term fatigue test has shown that the cement mantle was comparable or even significantly better than the conventional cemented stem [20].…”

Section: Discussionmentioning

confidence: 99%

“…At the same time the system only causes a moderate intramedullary pressure and avoids high peak pressures. When the intramedullary pressure is reported as 2,000 mmHg (266.6 kPa), which is needed to achieve a sufficient cement penetration [21,22], the cement injector switches off. In contrast to conventional stems, the stem cannot alter its position during curing of the cement as it is stabilised by the proximal collar and the distal cement restrictor.…”

Section: Secondary Cementing Technique and Cement Injection Stemmentioning

confidence: 99%

“…A novel approach is the cement injection stem, which uses a secondary cementing technique [20,21]. In contrast to primary cementing techniques, the cement injection stem is placed in the femur directly after preparation of the medullary cavity.…”

Section: Introductionmentioning

confidence: 99%

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Secondary cement injection technique reduces pulmonary embolism in total hip arthroplasty

Schmidutz

Düll

Voges

et al. 2012

International Orthopaedics (SICOT)

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Purpose Cardio-pulmonary damage due to embolism is a feared complication of cemented hip arthroplasty and can be fatal. Embolic events result from an increased intramedullary pressure during cement and stem insertion and can lead to extrusion of bone-marrow elements into the circulation. To reduce embolism and at the same time achieve an ideal cement mantle, the cement injection stem has been designed. In contrast to conventional stems where cement applied before stem insertion (primary cementing technique), the cement injection stem is positioned first and only then is the cement injected via the stem in a volume-and pressure-controlled fashion (secondary cementing technique). Methods A randomised trial with 30 patients was performed to evaluate whether this technique is able to reduce embolic events. Patients either received a conventional cemented stem (primary cementing technique) or a cement injection stem (secondary cementing technique). Embolic events were recorded by transesophageal echocardiography at six specific points during the operation and classified from grade 0 to grade 3.Results Significantly fewer grade 2 and 3 embolic events were observed in patients receiving the cement injection stem using the secondary cementing technique. Moreover, in the conventional group all patients (100 %) had at least one grade 3 embolus whereas only 20 % with the secondary cementing technique had an embolic event of grade 3. Conclusion Secondary cement insertion via the cement injection stem is able to reduce severe embolic events significantly. The technique offers a more gentle cementing technique and therefore appears especially beneficial for patients of advanced age and/or with pre-existing cardiopulmonary comorbidities.

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Additive modification of the polymerization and properties of an acrylic bone cement

Yang

Shyu

Chen

1998

Polymer Engineering & Sci

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A commercial surgical bone cement has been modified by adding tricalcium phosphate (TCP), hydroxyethyl methacrylate (HEMA), and ethylene glycol dimethacrylate (EGDMA). The effects of the addition of TCP, HEMA, and EGDMA on the vinyl polymerization kinetics and thermal stability of the bone cement have been evaluated. The reaction rate constants (k) were determined from a kinetic analysis. The separate and combined effects of TCP, HEMA, and EGDMA contents on the rate and the heat of polymerization can be explained by the frequency factor and the activation energy. The decomposition temperture of the modified acrylic bone cement was studied by thermogravimetry. The decomposition temperature increased with TCP content, whereas HEMA and EGDMA had little effect on the decomposition temperature.

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The cement-canal prosthesis: A new cementation technique studied in cadaver femora

Abstract: To cite this article: Volkmar Jansson (1994) The cement-canal prosthesis: A new cementation technique studied in cadaver femora, Acta Orthopaedica Scandinavica, 65:2, 221-224,

Cited by 5 publications

References 5 publications

Evaluation of Boneloc®: Chemical and mechanical properties, and a randomized clinical study of 30 total hip arthroplasties

Evaluation of Boneloc®: Chemical and mechanical properties, and a randomized clinical study of 30 total hip arthroplasties

Secondary cement injection technique reduces pulmonary embolism in total hip arthroplasty

Additive modification of the polymerization and properties of an acrylic bone cement

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