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Introduction: A sterile technique is a standard to reduce microorganism transmission during surgery. Gaps in knowledge and practice in sterile techniques by nurses are common causes of surgical site infections for surgical patients. Even though surgical site infection is a global problem due to lack of knowledge and practice, almost no study has been done in Ethiopia regarding nurses' knowledge and practice of sterile techniques in the operating room. Therefore, this study aimed to assess nurses' knowledge, practice, and associated factors of sterile techniques in Addis Ababa public hospitals, Ethiopia., Method: An institutional-based cross-sectional study was conducted on 423 nurses who were working in sixty-six operation rooms at seven public hospitals in Addis Ababa, Ethiopia, from May 11 to June 26/2022. A simple random sampling method was employed to select study participants. A pre-tested, self-administered questionnaire was used to collect data. Data were entered by Epi-data version 4.6 and analyzed by SPSS version 25. Descriptive statistics were presented by text, table, and figure. Multivariable analysis was used to identify the association between the dependent variable and independent variables. Variables with a P-value < 0.05 were considered statistically significant., Result: Nearly three-fifths (58.1%; 95%CI: 53.2 to 63.7) of respondents had good knowledge, and 56.1% with 95%CI (51.5 to 61.1) had good practice with respect to sterile techniques in the operation room. Training [AOR = 1.989; 95%CI (1.120 to 3.530)], availability of guidelines [AOR = 6.4; 95%CI (3.773 to 10.856)], and supervision [AOR = 2.963; 95%CI (1.693 to 5.184)] were associated with nurses' knowledge about sterile techniques in the operating room. Availability of guidelines [AOR = 1.890, 95%CI (1.123 to 3.182)], presence of supervision [AOR = 4.732; 95%CI (2.643 to 8.471)], and having good knowledge of sterile techniques [AOR = 5.419; 95%CI (3.087 to 9.512)] were associated with nurses' practice of sterile techniques in the operation room., Conclusion: Operative theater nurses' knowledge and practice of sterile techniques were found inadequate. Training, supervision, availability of guidelines, and knowledge of nurses towards sterile techniques are factors associated with sterile techniques in the operating room. So, it is better to strengthen training, equip wards with standardized guidelines, and provide supervision, which is crucial to enhancing their knowledge and practice., (© 2024. The Author(s).)

In the past decade, the increasing distribution of pollutants in the aquatic environment has been observed, causing integrative effects on fish. Likewise, due to anthropogenic activities, the southern gulf of Lake Tana is an impacted region, and the production of Nile tilapia fish is reduced. For this reason, the aim of this study was to conduct a histopathological-based study of 48 Nile tilapia fishes' health status at the southern gulf of Lake Tana and aquaculture using a cross-sectional study from February 2023 to May 2023. The study evaluated the histopathology of the gill, liver, gonads, and spleen organs using descriptive statistics accompanied by a 2 × 2 contingency table and t-test analysis. During the study, different histological alterations were detected, and the numbers of fish affected by a specific histological alteration were presented as percentage prevalence; hence, from the total fish examined, hyperplasia (54.15%), followed by pigment deposits (52%), hemorrhage (50%), and immune cell infiltration (50%), respectively, were the most frequently detected alterations. However, Nile tilapias from the southern gulf of Lake Tana were 1.4 (odds ratio) times more likely to show histopathological alterations than those from aquaculture, although statistically, was not significant (p > 0.05). In addition, the study found the mean value of the fish index (95.3) and regressive indices of the gill (13.6), liver (14.8), and gonad (12.3); moreover, the inflammatory indices of the spleen organ (11.3) and mean severity grade value of the gill (2.35) and gonad (1.7) organs, respectively, were obtained from the southern gulf of Lake Tana, and all those values were significantly higher (p < 0.05) from this site as compared to the aquaculture. In general, it has been found that tilapias from the southern gulf of Lake Tana showed higher pathological severity as compared with aquaculture. Among the four target organs evaluated, liver organs were observed to be the most damaged, while gonads were the least impacted organs. Therefore, it has been concluded that tilapia fish are living in abnormal conditions, so to ensure a sustainable fishery, water pollutant sources from Bahirdar city must receive proper attention, and future studies should consider age differences, seasonal variation, and the detection of specific pollutants., (© 2024. The Author(s).)

Background: Healthy working environment for nurses is a foundation for promoting patients' and nurses' safety in hospitals. However, in Ethiopia, there is scarcity of data on this issue. Therefore, the objective of this study was to assess the working environment of nurses in Public Referral Hospitals in Public Referral Hospitals of West Amhara Regional State, Ethiopia, 2021., Methods: An institution based cross-sectional study was conducted among 423 nurses from January to February 2021. Systematic random sampling was used to select nurses from each hospital. Structured, self-administered questionnaires were used to collect the data. EPI- DATA and SPSS were used for data entry and analysis respectively. Frequency, percentages, and means were calculated. Practice Environment Scale of the Nursing Work Index tool was used to measure the outcome variable. Binary and multivariable logistic regression analyses were computed to identify associated factors. Finally, texts, tables and graphs were used to report findings., Results: The response rate for the study was 96.2%. Around 210 (51.6%) of the study participants were male. One hundred eighty eight (46.2%) nurses reported that their working environment was healthy, while 219 (53.8%,) reported it as not healthy. Nurses who were working in pediatrics wards (AOR = 0.13, 0.02, 0.1) and nurses who gave care for 7-12 patients per day (AOR = 0.21, 0.05, 0.98) were less likely to have a healthy working environment, respectively. Nurses who reported the Ministry of Health to give focus to the nursing profession were 73% more likely to have a healthy work environment (AOR = 0.27; 0.09, .82)., Conclusion: and recommendations. More than half of nurses reported that their working environment was not healthy to appropriate practice. Hence, introducing systems to improve participation of nurses in hospital affairs and patient care is essential. It is also important to give attention to nurses who are working at pediatrics wards, and for nurses who give care more than the standards., (© 2022. The Author(s).)