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Study aim
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The aim of this study was to compare the effect of fentanyl with and without oxygen therapy and placebo on pain in patients undergoing aspiration and bone marrow biopsy.
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Design
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In randomized, double-blinded, controlled clinical trial, phase 3, 60 patients, who are referred for bone marrow aspiration and biopsy, are randomly divided into three groups including: intervention groups A and B, and control group.
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Settings and conduct
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This study is conducted at Kowsar Hospital, an academic hospital affiliated with the Semnan University of Medical Sciences and Health Services. In this clinical trial, patients are randomly assigned to three groups and interventions are conducted. Intervention group A receive 2 mL fentanyl intravenously, intervention group B receive 2 mL fentanyl intravenously in addition to oxygen, before and during the procedure. The control group (C) receive oxygen for 30 minutes before and during the procedure. Person who evaluated outcomes and patients are not aware from the type of intervention.
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Participants/Inclusion and exclusion criteria
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Study population include patients who are referred for bone marrow aspiration and biopsy. All patients older than 18 years old and who have complete awareness enrolled in study. Patients who use narcotics and analgesic, need to oxygen therapy, those who have pacemaker and pregnant women are excluded from study.
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Intervention groups
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Intervention group A receive 2 mL fentanyl intravenously after local anesthesia. Intervention group B receive 2 mL fentanyl intravenously after local anesthesia in addition to oxygen, 8 liters per minute through face mask for 30 minutes before and during the diagnostic procedure. The control group (C) receive oxygen through face mask for 30 minutes before and during the procedure.
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Main outcome variables
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The main outcome is pain in the site of biopsy.