Does Immobilization after Radiofrequency-Induced Shrinkage Influence the Biomechanical Properties of Collagenous Tissue?

Pötzl, Wolfgang; Heusner, Till A.; Kümpers, Philipp; Marquardt, B.; Steinbeck, Jörn

doi:10.1177/0363546503261699

Cited by 6 publications

(5 citation statements)

References 29 publications

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“…This is supported by the findings of Potzl, 41 who reported that the therapy with electromagnetic fields is a complex method which can improve metabolism of bone tissues and its structures through slowing or preventing loss of bone because of the re-creation of the piezoelectric effect and building of bone substance due to the activation of calcium metabolism and stimulation of calcium deposits in the bone, indirect effects of PEMF due to regulation of the hormone system, which plays a crucial role in regulating the metabolism of minerals, and improvement of overall well-being and increased activity will have a positive impact on symptoms of osteoporosis.…”

Section: Discussionsupporting

confidence: 77%

Electromagnetic field versus circuit weight training on bone mineral density in elderly women

Elsisi¹,

Mousa²,

ELdesoky³

2015

CIA

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Background and purposeOsteoporosis is a common skeletal disorder with costly complications and a global health problem and one of the leading causes of morbidity and mortality worldwide. Magnetic field therapy and physical activity have been proven as beneficial interventions for prevention and treatment of osteoporosis. The purpose of this study was to compare the response of bone mineral content and bone mineral density (BMD) in elderly women to either low-frequency low-intensity pulsed magnetic field (LFLIPMF) or circuit weight training (CWT) on short-run basis (after 12 weeks).Patients and methodsThirty elderly women, aged 60–70 years, were randomly assigned into two groups (magnetic field and CWT) (n=15 each group). The session was performed three times per week for magnetic field and CWT groups, for 12 weeks. BMD and bone mineral content of lumbar spine (L2–L4) and femoral neck, trochanter, and Ward’s triangle were evaluated before and after 12 weeks of treatment.ResultsBoth magnetic field and CWT for 12 weeks in elderly women seem to yield beneficial and statistically significant increasing effect on BMD and bone mineral content (P<0.05). But magnetic field seems to have more beneficially and statistically significant effect than does CWT.ConclusionIt is possible to conclude that LFLIPMF and CWT programs are effective modalities in increasing BMD but LFLIPMF is more effective in elderly women.

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Section: Discussionsupporting

confidence: 77%

Electromagnetic field versus circuit weight training on bone mineral density in elderly women

Elsisi¹,

Mousa²,

ELdesoky³

2015

CIA

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“…Joint capsular tissue with decreased stiffness is more easily deformable, indicating that an early loss of joint stability may occur if the joint is subjected to a constant strain. This study and others 34,35 have suggested that the RF-altered tissue and joint should be protected from excessive motion for at least 6 weeks after surgery.…”

mentioning

confidence: 53%

The Role of Flexible Radiofrequency Energy Probes in Hip Arthroscopy

Schenker¹,

Philippon²

2005

Techniques in Orthopaedics

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Radiofrequency energy has been a controversial practice in orthopaedic surgery for the past few decades. Both monopolar and bipolar radiofrequency probes have been used to shrink and ablate soft tissues. In hip arthroscopy, a new family of Eflex long, flexible monopolar probes has been designed to access all areas of the hip joint. Debridement of a torn acetabular labrum, thermal capsulorraphy, thermal chondroplasty, ablation of chondral flaps, synovectomy, and shrinkage of hypertrophic ligamentum teres are possible with the monopolar probes. Short-term to midterm clinical results of these procedures are promising; however, long-term outcomes studies are necessary to further evaluate the effectiveness of radiofrequency use in hip arthroscopy.

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“…This stiffness reduction after RF use was also reported by other authors in animal experiments and in other biological structures. (19)(20)(21) Stiffness loss is noticeable by a major increase of maximum deformity of the structure as shown by the assay. The PCL presented a mean increase of 4.6±0.6 mm, while the PL showed 6.30±0.6mm increase, both with p<0.001.…”

Section: Discussionmentioning

confidence: 81%

Estudo das propriedades mecânicas do ligamento cruzado posterior e do ligamento patelar de cadáveres de seres humanos após utilização de radiofreqüência

et al. 2007

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Este trabalho visou estudar os efeitos da radiofreqüência sobre os ligamentos patelares (LP) e ligamentos cruzados posteriores (LCP) de cadáveres, levando em conta as características de rigidez e deformação máxima. Foram utilizados 11 LCP e 14 LP, sendo feitas as aferições com o aparelho Kratos® K5002 . Foi realizada a termoabrasão das estruturas, com encurtamento obtido entre 15 e 20% do comprimento inicial. Observou-se que essas deformações (encurtamento) não se mantiveram no ensaio pós RF. Conclusão: A radiofreqüência permite o encurtamento do LP e LCP. O encurtamento obtido não se mantém completamente quando os ligamentos são submetidos a cargas tensionais padronizadas neste ensaio biomecânico. O uso de radiofrequência causa redução da rigidez do tecido (LP e LCP).

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Does Immobilization after Radiofrequency-Induced Shrinkage Influence the Biomechanical Properties of Collagenous Tissue?

Abstract: Careful rehabilitation is imperative after radiofrequency-induced shrinkage. This animal model supports an immobilization period of at least 6 weeks after surgery.

Cited by 6 publications

References 29 publications

Electromagnetic field versus circuit weight training on bone mineral density in elderly women

Electromagnetic field versus circuit weight training on bone mineral density in elderly women

The Role of Flexible Radiofrequency Energy Probes in Hip Arthroscopy

Estudo das propriedades mecânicas do ligamento cruzado posterior e do ligamento patelar de cadáveres de seres humanos após utilização de radiofreqüência

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