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1.
Vasa ; 52(6): 423-431, 2023 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-37840280

RESUMO

Background: To compare the effectiveness of intermittent pneumatic compression (IPC) and/or manual lymphatic drainage (MLD) associated to compression stockings in the maintenance treatment of lymphedema. Patients and methods: Patients in the maintenance phase of lymphedema therapy with MLD and compression since more than a year with stable values for weight and circumferences of ankle and calf were asked to participate in a study: Compression had to be worn daily, (1) 4 weeks IPC+MLD, (2) 4 weeks MLD alone, (3) 4 Weeks IPC alone (Order 1 and 3 was randomized). At the beginning and after each 4 weeks, circumference measurements (by hand and by machine: BT600®, Bauerfeind) were documented, pain and discomfort were assessed, and quality-of-life questionnaires were completed. Results: Of 20 participants, 18 (14 female, 4 male), mean age 59.6 years (48-89) could be evaluated. 11 subjects had bilateral, 7 unilateral, 5 primary, 13 secondary lymphedema since 2-20 years (mean 7.7), the subjects had received MLD and compression for 2-14 years (mean 6.4), 1-3 times per week (mean 1.5). The BMI ranged between 21 and 47 (mean 33.7). No differences between any phases were found for: Calf and thigh volume, circumference of calf. Only the ankle circumference was significant less (-0.22 cm) when using "both" (IPC+MLD). Compared to before the study, quality of life was better in all three phases, but with a significantly higher improvement in the phases with IPC than in the phases without. Conclusions: There were no differences in objective measurement between MLD alone, IPC alone or both, excepting the minimal significant difference in ankle circumference after IPC+MLD. QOL favored IPC application. Considering the economic consequences of these results, a change of maintenance therapy with MLD weekly over years in favor of permanent care with IPC and few appointments of MLD per year should be considered and further investigated.


Assuntos
Linfedema , Drenagem Linfática Manual , Humanos , Masculino , Feminino , Pessoa de Meia-Idade , Qualidade de Vida , Dispositivos de Compressão Pneumática Intermitente/efeitos adversos , Linfedema/diagnóstico , Linfedema/etiologia , Linfedema/terapia , Pressão , Resultado do Tratamento
2.
BMC Musculoskelet Disord ; 22(1): 1003, 2021 Nov 30.
Artigo em Inglês | MEDLINE | ID: mdl-34847880

RESUMO

BACKGROUND: With the Persona® knee system a new polyethylene formulation incorporating vitamin-E which aims to reduce oxidation and maintain wear resistance was introduced. Although in-vitro studies have demonstrated positive effects of the vitamin-E antioxidants on UHMWPE, no retrieval study has looked at polyethylene damage of this system yet. It was the aim to investigate the in-vivo performance of this new design, by comparing it with its predecessor in retrieval analysis. METHODS: 15 NexGen® and 8 Persona® fixed-bearing implants from the same manufacturer (Zimmer Biomet) were retrieved from two knee revision centres. For retrieval analysis, a macroscopic analysis of polyethylene using a peer-reviewed damage grading method was used (Hood-score). The roughness of all articulating metal components was measured using a contact profilometer. The reason(s) for TKA revision were recorded. Statistical analyses (t-test) were performed to investigate differences between the two designs. RESULTS: The mean Hood score for Persona® inserts was 109.3 and for NexGen® 115.1 without significant differences between the two designs. Results from the profilometer revealed that Persona® and NexGen® femoral implants showed an identical mean surface roughness of 0.14 µm. The Persona® tibial tray showed a significantly smoother surface (0.06 µm) compared to the NexGen® (0.2 µm; p < 0.001). Both Hood score and surface roughness were influenced by the reasons for revision (p < 0.01). CONCLUSIONS: The bonding of the antioxidant vitamin-E to the PE chain used in the novel Persona® knee system does not reduce in-vivo surface damage compared to highly crosslinked PE without supplemented vitamin-E used in its predecessor knee system NexGen®. However, the Persona® titanium alloy tibial tray showed a significantly smoother surface in comparison to the NexGen® titanium alloy tibial tray. This study provides first retrieval findings of a novel TKA design and may help to understand how the new Persona® anatomic knee system performs in vivo.


Assuntos
Artroplastia do Joelho , Prótese do Joelho , Antioxidantes , Artroplastia do Joelho/efeitos adversos , Humanos , Prótese do Joelho/efeitos adversos , Polietileno , Desenho de Prótese , Falha de Prótese , Vitamina E , Vitaminas
3.
Homeopathy ; 107(2): 150-154, 2018 05.
Artigo em Inglês | MEDLINE | ID: mdl-29566404

RESUMO

BACKGROUND: Recurrent urinary tract infections (UTIs) are one of the most common morbidities in persons with neurogenic lower urinary tract dysfunction (NLUTD). Repetitive antibiotic treatment increases the risk of selecting multi-resistant bacteria. Homeopathic treatment has been reported to be effective in these patients. The mechanism of action, however, has not been clarified. Recently, a direct bactericidal effect of homeopathic remedies was shown. Such an effect is not in accordance with the general principles of homeopathy. To test this paradigm, we assessed the in vitro effects of homeopathic drugs on Escherichia coli derived from patients with NLUTD. METHODS: E. coli bacteria were harvested from 28 consecutive urine cultures. Standard antibiotic resistance testing and simultaneous resistance testing to homeopathic drugs (Apis mellifica, Cantharis, Causticum hahnemanni, Staphysagria, Nux vomica, Berberis vulgaris, and Lycopodiumclavatum) in high (C30) potency were performed. RESULTS: No significant inhibitory effect of any of the tested homeopathic drugs on any E. coli population could be found, irrespective of their sensitivity to antibiotic treatment. CONCLUSION: Based on our results, effects of homeopathic treatment of UTI are not based on direct bactericidal or bacteriostatic effects. These findings are in concordance with the hypothesis that homeopathy is based on host effects: for example, activation of the immune system, rather than effects on pathogens.


Assuntos
Escherichia coli/efeitos dos fármacos , Escherichia coli/metabolismo , Homeopatia/métodos , Materia Medica/farmacologia , Antibacterianos/farmacologia , Humanos , Extratos Vegetais/farmacologia , Espécies Reativas de Oxigênio/metabolismo
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