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BACKGROUND AND OBJECTIVES: Children with tracheostomies are at increased risk of tracheostomy-related complications and require extra care. Standardized training programs for caregivers can improve tracheostomy care and reduce complications. In this study, we compared caregiver knowledge and skill scores after a standardized theoretical and practical training program on tracheostomy care (IStanbul PAediatric Tracheostomy (ISPAT) project) immediately and 1 year post-training and evaluated how this training affected the children's clinical outcomes., Materials and Methods: We included 32 caregivers (31 children) who had received standardized training a year ago and administered the same theoretical and practical tests 1 year after training completion. We recorded tracheostomy-related complications and the number and reasons for admission to the healthcare centers. All data just before the training and 1 year after training completion were compared., Results: After 1 year of training completion, the median number of correct answers on the theoretical test increased to 16.5 from 12 at pretest (p < 0.001). Compared with pretest, at 1-year post-training practical skills assessment scores, including cannula exchange and aspiration, were significantly higher (both p < 0.001) and mucus plug, bleeding, and stoma infection reduced significantly (p = 0.002, 0.022, and 0.004, respectively). Hands-on-training scores were better than pretest but declined slightly at 1 year compared to testing immediately after training. Emergency admission decreased from 64.5% to 32.3% (p = 0.013). Hospitalization decreased from 61.3% to 35.5% (p = 0.039)., Conclusion: Our findings indicate that caregiver training can lead to a persistent increase in knowledge and skill for as long as 1 year, as well as improvements in several measurable outcomes, although a slight decrease in scores warrants annual repetitions of the training program., (© 2023 Wiley Periodicals LLC.)

Background: Cystic fibrosis (CF) is an autosomal recessive disorder caused by CF transmembrane conductance regulator (CFTR) genetic variants. CFTR modulators improve pulmonary function and reduce respiratory infections in CF. This study investigated the clinical and laboratory follow-up parameters over 1 year in patients with CF who could not receive this treatment., Methods: This retrospective cohort study included 2018 and 2019 CF patient data from the CF registry of Turkey. Demographic and clinical characteristics of 294 patients were assessed, who had modulator treatment indications in 2018 but could not reach the treatment., Results: In 2019, patients younger than 18 years had significantly lower BMI z-scores than in 2018. During the 1-year follow-up, forced expiratory volumes (FEV1) and FEV1 z-scores a trend toward a decrease. In 2019, chronic Staphylococcus aureus colonization, inhaled antipseudomonal antibiotic use for more than 3 months, oral nutritional supplement requirements, and oxygen support need increased., Conclusions: Patients who had indications for modulator treatments but were unable to obtain them worsened even after a year of follow-up. This study emphasized the importance of using modulator treatments for patients with CF in our country, as well as in many countries worldwide., (© 2023 Wiley Periodicals LLC.)

Background: Tracheostomy-related morbidity and mortality mainly occur due to decannulation, misplacement, or obstruction of the tube. A standardized training can improve the skills and confidence of the caregivers in tracheostomy care (TC)., Objective: Our primary aim was to evaluate the efficiency of standardized training program on the knowledge and skills (changing-suctioning the tracheostomy tube) of the participants regarding TC., Materials and Methods: Sixty-five caregivers of children with tracheostomy were included. First, participants were evaluated with written test about TC and participated in the practical tests. Then, they were asked to participate in a standardized training session, including theoretical and practical parts. Baseline and postintervention assessments were compared through written and practical tests conducted on the same day., Results: A significant improvement was observed in the written test score after the training. The median number of correct answers of the written test including 23 questions increased 26%, from 12 to 18 (p < .001). The median number of correct steps in tracheostomy tube change (from 9 to 16 correct steps out of 16 steps, 44% increase) and suctioning the tracheostomy tube (from 9 to 17 correct steps out of 18 steps, 44% increase) also improved significantly after the training (p < .001, for both)., Conclusion: Theoretical courses and practical hands-on-training (HOT) courses are highly effective in improving the practices in TC. A standardized training program including HOT should be implemented before discharge from the hospital. Still there is a need to assess the impact of the program on tracheostomy-related complications, morbidity, and mortality in the long term., (© 2021 Wiley Periodicals LLC.)

Epigenetic modifications of DNA, including methylation, hydroxymethylation, formylation, and carboxylation of cytosines, are proposed to function in gene regulation during reproduction and development. Changes in cytosine methylation are associated with a range of diseases, such as cancer. Immunofluorescence uses specific antibodies to quantitatively detect the global amount of cytosine modifications by fluorescence microscopy. The most critical stage of immunofluorescence is the antigen retrieval to remove the protein content around the DNA, allowing specific antibodies to bind to DNA epitopes. Acid treatments have commonly been used for antigen retrieval. Previously, trypsin was added after acid in the protocol, which increased the amount of detectable DNA methylation. In this study, the protocol was further enhanced by the addition of pepsin, which is able to target charged hydrophobic amino acids in proteins, unlike trypsin, which breaks positive hydrophilic amino acids. The global levels of cytosine modifications in CF-1, HeLa, and AR42J cells were compared using this protocol. In all cells, the sequential treatment of trypsin and pepsin increased the specificity of the staining. With the synergistic effect of the two enzymes, it is possible to target different protein groups packaging DNA molecules and removing them effectively. The findings suggest that this revised protocol can be conveniently used for each cytosine modification in the cells examined, and should be optimized for other cells. These new antigen retrieval conditions may more accurately detect the changes in cytosine modifications during development and in diseases., (© 2019 Wiley Periodicals, Inc.)