• Zahra Nazari-Ostad, Mohammad Namazinia, Fatemeh Hajiabadi, Nahid Aghebati, Habibollah Esmaily, and Arash Peivandi Yazdi.
• Department of Medical- Surgical Nursing (MSC Student), School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran.
• BMC Anesthesiol. 2024 Jan 9; 24 (1): 1818.

BackgroundIntensive care unit (ICU) patients often experience significant physiological stress. This study evaluated the effect of a defined family visitation protocol on physiological responses in the ICU.MethodsA randomized, block-randomized clinical trial was conducted on 78 ICU patients at Imam Reza Hospital between February 8, 2017, and August 8, 2017. The intervention group received protocol-based visits, and the control group continued with standard visitation. Block randomization was utilized for group assignments. The primary outcome was the measurement of physiological signs using designated monitoring devices. Data were analyzed using SPSS version 22, employing independent t-tests, Mann-Whitney U test, repeated measures analysis, and Friedman's test.ResultsThe results showed no significant differences in systolic blood pressure, diastolic blood pressure, mean arterial pressure, respiratory rate, and arterial blood oxygen levels between the two groups. However, heart rate in the intervention group was significantly lower in three stages before, during, and after the meaningful visiting (P = 0.008).ConclusionProtocol-based scheduled family visits in the ICU may reduce physiological stress, as evidenced by a decrease in patients' heart rate. Implementing tailored visitation protocols sensitive to patient preferences and clinical contexts is advisable, suggesting the integration of family visits into standard care practices for enhanced patient outcomes.Trial RegistrationIRCT20161229031654N2; 25/01/2018; Iranian Registry of Clinical Trials ( https://en.irct.ir ).© 2024. The Author(s).

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