OBJECTIVES: This study aimed to improve the success rate of gluteal intramuscular (IM) injection. METHODS: The outcomes of 328 intended gluteal IM injections in 115 patients receiving depot octreotide were evaluated using computed tomography performed in routine clinical practice. Patient-, nursing-, and technique-dependent factors were correlated with successful delivery of medication. Techniques associated with successful injection were taught to center nurses. RESULTS: At baseline, 52% of injections were successfully delivered (66% men, 36% women; P = 0.001). Factors associated with successful delivery included nurses' frequency of injections (P = 0.008), landmarks use to select injection site (P < 0.001), quick needle insertion (P < 0.001), and use of nonsyringe hand to compress injection site (P < 0.001). Patient-related factors included male sex (P < 0.001), lower body mass index (P < 0.001), and lower skin-to-muscle depth at injection site (P < 0.001). Techniques associated with successful injections were then taught to center nurses. After instruction, the success rate increased from 52% to 75% (P = 0.001). Importantly, improvements were observed in both men (66%-75%; P = 0.43) and women (38%-75%; P < 0.001). Successful injection was associated with better control of flushing among those with carcinoid syndrome (P = 0.005). CONCLUSIONS: Intended gluteal IM injections often are given into the subcutaneous space. Education in techniques associated with successful injections improves IM delivery rates.
OBJECTIVES: This study aimed to improve the success rate of gluteal intramuscular (IM) injection. METHODS: The outcomes of 328 intended gluteal IM injections in 115 patients receiving depot octreotide were evaluated using computed tomography performed in routine clinical practice. Patient-, nursing-, and technique-dependent factors were correlated with successful delivery of medication. Techniques associated with successful injection were taught to center nurses. RESULTS: At baseline, 52% of injections were successfully delivered (66% men, 36% women; P = 0.001). Factors associated with successful delivery included nurses' frequency of injections (P = 0.008), landmarks use to select injection site (P < 0.001), quick needle insertion (P < 0.001), and use of nonsyringe hand to compress injection site (P < 0.001). Patient-related factors included male sex (P < 0.001), lower body mass index (P < 0.001), and lower skin-to-muscle depth at injection site (P < 0.001). Techniques associated with successful injections were then taught to center nurses. After instruction, the success rate increased from 52% to 75% (P = 0.001). Importantly, improvements were observed in both men (66%-75%; P = 0.43) and women (38%-75%; P < 0.001). Successful injection was associated with better control of flushing among those with carcinoid syndrome (P = 0.005). CONCLUSIONS: Intended gluteal IM injections often are given into the subcutaneous space. Education in techniques associated with successful injections improves IM delivery rates.
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