The study of any cementless hip system is essentially based on three concepts: initial stability, secondary biological stability and factors regarding the reliability of this stability. Initial Stability relies on optimal bone fill with press-fit support on the cortical bone. For the acetabular component, this is best achieved with a hemispherical form. Femoral support is assured by a triple cortical contact in the metaphyseal zone. A triple support requires a stem with a sagittal bow. Secondary stability must account for a compromise between fixation and extractability. The sand-blasted titanium surface provides this possibility. Bone on-growth produces a sheath around the metal, similar to cement, from the fourth week onwards. Reliability. Reliabe stability of the a cetabular cup is favored by the hemispherical form of the s hell and the ample thickness of polyethylene which distribute adverse forces. Femur stability is provided through pure metaphyseal fixation. Metaphysodiaphyseal fixation often becomes plain diaphyseal fixation with all its inherent problems. Initial results with a minimum follow-up of one year (320 cases with an average follow-up of 2 years) seem to confirm the efficient nature of the biological fixation by the total absence of pain. Only the future will tell us if our concepts are entirely effective.
Introduction Given the incipience of domestic studies on hope and spirituality in cardiology, this study evaluated adult cardiac patients’ hope in the preoperative period of cardiac surgery and its potential association with spirituality. Methods This is a cross-sectional study carried out at a university hospital in the State of São Paulo (Brazil). A total of 70 patients answered the Herth Hope Scale and a sociodemographic questionnaire before undergoing surgical procedure between January and October 2018. Descriptive and inferential analyses were performed using the Spearman’s rank correlation coefficient and the Mann-Whitney U test. The R-3.4.1 software and SAS System for Windows 9.2 were also used. P-value < 0.05 was considered statistically significant. Results Patients had a high prevalence of modifiable risk factors. Having a religion (37.53±4.57) and practicing it (38.79±4.25), regardless of its denomination and time dedicated to that religion, was associated with hope (P<0.01) in the immediate preoperative period of cardiac surgery. However, hope did not exhibit a significant correlation with factors such as age (P=0.09) and time dedicated to religious practice (P=0.07). Conclusion Regardless of the religious strand and time dedicated to religious practices as an expression of spirituality, hope was associated with the participants’ religion and religiosity. Considering the importance of this construct on the processes of health and disease, the whole health team should consider in their praxis a setting of conditions to make the patient’s spirituality process feasible during hospitalization.
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