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IRCT20220310054240N1 IRCT 2022-04-06 Babol University of Medical Sciences Comparison of the effect of using forced-air warming system, warm intravenous serum with normal blanket on chills and waking time in the elderly undergoing open heart surgery Comparison of the effect of hot forced-air system and warm intravenous serum with routine (blanket) method on hemodynamic parameters, shivering and waking time in the elderly undergoing open heart surgery 2022-03-06 anticipated 90 Complete https://irct.ir/trial/62460 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Assignment of patients in three groups will be simple randomly. One of the colleagues who will not participate in the measurement of patients' clinical indicators, determine random allocation of the patients to one of three intervention groups (Group 1: forced-air warming system Group II : Warm intravenous serum) or control (group 3: use a regular blanket) by throwing coins, Blinding description: Due to the research conditions, it is not possible to perform complete blinding. The study is single blind (patients are not aware of being in the intervention or control group). Because patients are not awake when they enter the intensive care unit, it is not possible for them to be aware of being in the control or intervention group. Patients wake up at least three hours after entering the ward, which coincides with the end of the intervention. 3 open heart surgery. Intervention 1: Intervention group 1: Warm compressed air heating system with Warm Touch brand (medical equipment) with temperature between 42-38 ° C through NELLCOR WARM TOUCH 501-5900 (2011) will be used for patients undergoing open heart surgery when entering the ICU,for 4-5 hours. Intervention 2: Intervention group 2: warm intravenous serum, one liter per hour with physiological temperature at 40-37 ° C. Intervention 3: Control group: Ordinary blanket produced by a special brand in two layers with dimensions (114 by 175 cm) that covers from the armpits to the toes. No - There is not a plan to make this available Justification or reason for not sharing IPD is The type of study is a clinical trial and the information must be ethically confidential.

public Mohamad Bagher Akbarpour Roushan

Babol University of Medical Sciences; Ganj Afrooz Street

Babol Iran (Islamic Republic of) 47745-47176 +98 11 3219 9592 akbarpour.mb9560@gmail.com Babol University of Medical Sciences scientific Zahra Fotokian

Babol University of Medical Sciences; Ganj Afrooz Street

Babol Iran (Islamic Republic of) 47745-47176 +98 11 3219 9592 zfotoukian@yahoo.com Babol University of Medical Sciences Iran (Islamic Republic of) All elderly patients (over 60 years old) are candidates for open heart surgery at Ayatollah Rouhani Hospital in Babol Having an esophageal temperature of less than 36 ° C Cardiac output (EF) greater than 40% 60 years no limit Both multidrug addiction Preoperative renal and hepatic insufficiency sensory-motor disorders such as Guillain-Barré syndrome or myasthenia gravis Receiving high-dose inotropic drugs (epinephrine, norepinephrine), antiarrhythmics (lidocaine) before the patient enters the ward Ascending aortic dissection surgery, Bental surgery Treatment - Devices Treatment - Other Treatment - Devices Intervention group 1: Warm compressed air heating system with Warm Touch brand (medical equipment) with temperature between 42-38 ° C through NELLCOR WARM TOUCH 501-5900 (2011) will be used for patients undergoing open heart surgery when entering the ICU,for 4-5 hours. Intervention group 2: warm intravenous serum, one liter per hour with physiological temperature at 40-37 ° C Control group: Ordinary blanket produced by a special brand in two layers with dimensions (114 by 175 cm) that covers from the armpits to the toes. Blood pressure. Timepoint: At the beginning of the study, up to 6 hours (on arrival, first hour, second hour, .... sixth hour) will be recorded from the time of entering the ICU until waking up. Method of measurement: Sphygmomanometer. Heart rate. Timepoint: At the beginning of the study, up to 6 hours (on arrival, first hour, second hour, .... sixth hour) will be recorded from the time of entering the ICU until waking up. Method of measurement: According to the checklist will be evaluated up to 6 hours until waking up. Respiration Rate. Timepoint: At the beginning of the study, up to 6 hours (on arrival, first hour, second hour, .... sixth hour) will be recorded from the time of entering the ICU until waking up. Method of measurement: According to the checklist will be evaluated up to 6 hours until waking up. Arterial Blood Gases. Timepoint: At the beginning of the study, up to 6 hours (on arrival, first hour, second hour, .... sixth hour) will be recorded from the time of entering the ICU until waking up. Method of measurement: According to the checklist will be evaluated up to 6 hours until waking up. Shivering. Timepoint: From the time the patient enters the ICU until he or she regains consciousness, every 15 minutes to 6 hours (on arrival, 15 minutes, 30 minutes, 45 minutes, 60 minutes ..... and 360 minutes) will be examined. Method of measurement: Crossley and Mahajan shivering benchmark evaluation methods. Waking time. Timepoint: From the time the patient enters the ICU until he or she regains consciousness, every 15 minutes to 6 hours (on arrival, 15 minutes, 30 minutes, 45 minutes, 60 minutes ..... and 360 minutes) will be examined. Method of measurement: RAMSAY SEDATION SCORE (RSS) Assessment Method (Awakening Assessment). Nausea. Timepoint: Upon arrival of the patient in the ICU until waking up every hour for 6 hours (on arrival, first hour, second hour .... and sixth hour). Method of measurement: Based on checklist. Vomiting. Timepoint: Upon arrival of the patient in the ICU until waking up every hour for 6 hours (on arrival, first hour, second hour .... and sixth hour). Method of measurement: Based on checklist. Dispenea. Timepoint: Upon arrival of the patient in the ICU until waking up every hour for 6 hours (on arrival, first hour, second hour .... and sixth hour). Method of measurement: Based on checklist. Arrhythmias. Timepoint: Upon arrival of the patient in the ICU until waking up every hour for 6 hours (on arrival, first hour, second hour .... and sixth hour). Method of measurement: Based on checklist. Babol University of Medical Sciences Approved 2022-03-06 Health Research Institute - Babol University of Medical Sciences Babol University of Medical Sciences; Ganj Afrooz Street Babol Mazandaran Iran (Islamic Republic of)