Introduction: The degenerative processes of the intervertebral disc represent an important cause of morbidity in everyday clinical practice, exerting burden on patients and clinicians treating them. Numerous factors may initiate degenerative processes, which most commonly affect the nucleus pulposus and ultimately influence the biomechanics of the whole spine.Aim: This paper provides an overview from the literature about the process, causes and mechanisms of disc degeneration and the associated factors. Methods: The scientific literature was reviewed through PubMed, Medline and Science Direct. The articles were chosen in correlation with the study objective and their scientific relevance. Results: Many mechanical factors, such as mechanical, traumatic, genetic and nutritional, may affect the integrity of the intervertebral disc. The degenerative processes involve the structural damage of the intervertebral disc and the changes in number and composition of cells. The main factor in the degeneration of the intervertebral disc is the loss of proteoglycans. Degenerative changes of the disc are connected to damage of adjacent structures, leading to functional changes, higher susceptibility to injuries and clinical signs and symptoms. Conclusions: Degenerative disease of the intervertebral disc remains a significant health problem. Besides standard conservative and surgical treatment, techniques of regenerative therapy are becoming very promising, although still in the experimental phase.

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Objectives: The aim was to analyse functional and cognitive outcomes in patients receiving early rehabilitation treatment after surgery for aneurysmal subarachnoid haemorrhage (SAH). Methods: The assessment protocol included all relevant clinical data, the Hunt-Hess scale, the functional independence measure (FIM), and the mini mental state examination (MMSE). Results: Of 59 patients included in the study, 52.5% (31) were men and 47.5% (28) were women. The patients' average age was 52 years, and 57.6% were employed at the time of the aneurysm rupture. The mean duration of hospital stay was 25 days; 67.8% (40) of the patients were discharged home. At discharge, 72.7% of the patients were without any motor impairment, but 59.6% showed cognitive impairment. By the time of discharge, 43.4% (23) of the patients had attained independence in activites of daily living, 18.9% (10) needed intermittent supervision, and 37.7% (20) required constant supervision in the performance of these activities. Conclusions: The severity of cognitive impairment has predictive value for the functional status and the level of supervision required at discharge. S ubarachnoid haemorrhage (SAH) is a common and often devastating occurrence. This pathology accounts for 5%-10% of all strokes, affecting mostly people in the 5th decade of life, at the peak of their productivity.

Background Prehabilitation with regular exercise and nutritional care for patients undergoing surgeries for malignant disease was recently introduced to increase physiologic reserve prior to the procedure, accelerate recovery and improve outcomes. This study aimed to investigate the feasibility and safety of combined exercise training and nutritional support in patients with haematologic malignancies prior to haematopoietic stem cell transplantation (HSCT). Methods In this single-arm pilot study, 34 HSCT candidates were enrolled at least two weeks before admission for the procedure. Patients performed aerobic exercises at least 4 days per week for 20–30 min and strength exercises 3 days per week for 10–20 min. They received daily supplements of whey protein (0.3–0.4 g/kg body weight) and oral nutritional supplements if needed. The primary endpoints were feasibility (acceptability > 75%, attrition < 20%, adherence > 66%) and safety. The secondary endpoints were fat-free mass (FFM), muscle strength, physical performance and health-related quality of life (HRQoL) at HSCT. Results The rate of acceptability, attrition and adherence to aerobic exercise, strength exercise and protein supplement consumption was 82.4, 17.8, 71, 78 and 80%, respectively. No severe adverse events were reported. Twenty-eight patients participated in the study for a median of 6.0 weeks (range, 2–14). They performed aerobic exercises 4.5 days per week for 132 min per week and strength exercises 3.0 times per week. Patients consumed 20.7 g of extra protein daily. At the end of the programme, we recorded increases of 1.1 kg in FFM (p = 0.011), 50 m in walking distance in the 6-min walking test (6MWT) (p < 0.001), 3.3 repetitions in the 30-s chair-stand test (30sCST) score (p < 0.001) and 2.6 kg in handgrip strength (p = 0.006). The EORTC QLQ-C30 scores improved by 8.6 (p < 0.006) for global health status, 8.3 (p = 0.009) for emotional functioning, and 12.1 (p = 0.014) for social functioning. There was less fatigue, nausea and insomnia (p < 0.05). Conclusions Our study shows that a multimodal intervention programme with partially supervised exercise training combined with nutritional support prior to HSCT is feasible and safe. Patients showed improvements in FFM, physical performance and HRQoL. Additional research is needed to assess the possible positive effects of such interventions.