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It is extremely important to determine the relationship between COPD and self-management (SM) in the disease process. However, the impact of symptom management (SpM) on this relationship is still unclear. The study aimed to examine the mediating role of SpM in the effect of the COPD stage on SM.
A predictive correlational study was reported following the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) guidelines.
This study was conducted between 15 February 2023 and 15 June 15 2023, with 306 patients. Data were collected using the Symptom Management Scale for Self-Efficacy and the Chronic Disease Self-Management Scale. Descriptive statistics and Process Macro Model 4 in the SPSS program were used for data analysis.
Most of the patients were in the moderate stage of COPD; their SM scores were at low levels; SpM scores were at moderate levels. The model was significant, and the variables explained 65% of the model. The COPD stage was significantly positively correlated with SpM and negatively correlated with SM. There was a significant positive impact between SpM and SM. The positive and significant standardised indirect effect of SpM on SM evidenced a full mediating effect.
Symptom management has a full mediating role in the effect of the COPD stage on SM. It was revealed that the level of SM can be increased by achieving SpM.
Symptoms are vital in COPD. Progression of COPD increases symptom severity. Being successful in SpM greatly contributes to the achievement of self-management. Therefore, nurses should definitely consider symptom control in strengthening self-management in the care of patients with COPD.
Patients' COPD stage was determined by a pulmonologist involved in the study. Voluntary patients with COPD hospitalised in the pulmonology clinic were included in the study.
This study aimed to produce zinc oxide nanoparticles with Calendula officinalis flower extract (Co-ZnO NPs) using the green synthesis method. In addition, the antioxidant and wound healing potential of synthesized ZnO NPs were evaluated. The absorbance band at 355 nm, which is typical for ZnO NPs, was determined from the UV–Vis absorbance spectrum. The energy-dispersive X-ray spectroscopy (EDS) measurements revealed a high zinc content of 42.90%. The x-ray diffractometer data showed Co-ZnO NPs with an average crystallite size of 17.66 nm. The Co-ZnO NPs did not have apparent cytotoxicity up to 10 μg/mL (IC50 25.96 μg/mL). C. officinalis ZnO NPs showed partial cell migration and percent wound closure (69.1%) compared with control (64.8%). In addition, antioxidant activities of Co-ZnO NPs with 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) and 2,2 diphenyl-1 picrylhydrazil (DPPH) were evaluated and radical scavenging activity of 33.49% and 46.63%, respectively, was determined. These results suggest that C. officinalis extract is an effective reducing agent for the green synthesis of ZnO NPs with significant antioxidant and wound healing potential.
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