Anat Cell Biol.  2022 Mar;55(1):48-54. 10.5115/acb.21.223.

Evaluating the effectiveness of gluteal intramuscular injection sites: a cadaveric study

• Kim YS
• Nam YS
• Kim DI

• KMID: 2527668
• DOI: http://doi.org/10.5115/acb.21.223

Abstract

The gluteal region is a frequent target for injecting high volumes. However, the safe intramuscular injection sites have been controversy in this region. This study was aimed to compare the subcutaneous fat and muscle thicknesses at the two gluteal injection sites and to determine the influence of sex and body mass index (BMI) on fat and muscle thicknesses. The ultimate purpose of this study is to suggest the most suitable intramuscular injection site among the ventrogluteal and dorsogluteal regions. Eleven fresh cadavers were injected with colored gelatin using syringes at the two gluteal injection sites. Seven variables were measured at both gluteal injection sites and analyzed relative to sex and the BMI. No variables showed statistically significant differences between the two gluteal injection sites according to sex. In a one-way analysis of variance, total length and muscle thickness had significant difference according to the BMI category. In obese cadavers, the injected gelatin core was located in the subcutaneous layer (average 109.0 percentile), and in the muscle layer (average 78.9 percentile) in the dorsogluteal region. These were found that the success rate of injection in the dorsogluteal region was higher than in the ventrogluteal region, especially when classed as obese. Also, it is suggested that nurses should use the traditional intramuscular injection method. It will also be necessary to consider expanding these findings to other ethnic groups in the Asia–Pacific region and then also education in universities and health providers on selecting the intramuscular gluteal injection site.

Keyword

Intramuscular injections; Body mass index; Dorsogluteal; Ventrogluteal

Figure

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  Fig. 1 Transverse section of red latex-injected cadaveric pelvis from inferior view. Note the blue colored gelatin was injected by dorsogluteal site and the green colored gelatin by ventrogluteal site. GMa, gluteus maximus; GMe, gluteus medius; GMi, gluteus minimus; H, hip bone; S, sacrum.

Reference

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