Sacroiliac Joints

Mahato, Niladri Kumar

doi:10.1002/9781118430309.ch18

Cited by 3 publications

(8 citation statements)

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“…The sacroiliac joint (SIJ) is an anatomically atypical joint in many aspects (Ebraheim et al, 2003; Mahato, 2016). Positional and dimensional variability of the sacroiliac (SI) articulation in general and as found in association with sacral dysmorphisms, are very common and have been topics of morphological and biomechanical studies (Mahato, 2010; Vleeming et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Topographic localization of the sacroiliac joint and superior gluteal artery branches on the posterolateral ilium

Mahato

2023

Clinical Anatomy

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Latrogenic vascular injuries at the posterior ilium during sacroiliac screw placements are not uncommon. Though intra‐operative imaging reduces the risk of such injuries, anatomical localization of the sacral segments using discrete topographical landmarks is not currently available. This descriptive study proposes the use of an anatomical grid system to localize the sacroiliac articulation on the posterolateral ilium. It also investigates the positional variability of the branches of the superior gluteal artery (SGA) within areas defined by the grid. 48 dried adult hip bones were examined to determine the position of the sacral articular surface on the posterolateral surface of the ilium. A novel grid‐system was defined and used to map the positions of the articulation of the first two sacral segments on the posterolateral ilium. Superficial and deep branches of the SGA were dissected in donor cadavers and their courses were virtually overlayed on the grid system. The grid system localized the sacral articular surfaces within a defined area on the posterior ilium. Arterial distributions indicated the presence of the superficial branch of SGA more frequently over the screw insertion area (at an intermuscular plane), while the deep branch ran closer to the ilium but antero‐inferior to the screw placement areas. This study proposes a new topographical perspective of visualizing SGA branches with respect to the cranial sacral segments. Precise localization of vascular anatomy may help to reduce potential risk of injury during sacroiliac screw placements.

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Section: Introductionmentioning

confidence: 99%

Topographic localization of the sacroiliac joint and superior gluteal artery branches on the posterolateral ilium

Mahato

2023

Clinical Anatomy

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“…While this accessory joint can be found bilaterally, it is often unilateral [4][5][6]11]. Located at the posterior aspect of the SIJ, ASIJ has usually been described as having a superficial structure at the level of the second dorsal sacral foramen and a deep structure just above the first dorsal sacral foramen [13][14][15][16][17][18]. In a 1984 study, an axial sacroiliac joint was found to be located extracapsularly at the dorsocranial level of the SIJ.…”

Section: Introductionmentioning

confidence: 99%

“…Since the axial joint was histologically identified in the joint space, it was defined as "syndesmosis" due to presence of loose connective tissue and its articular surface structure [14]. In contrast, accessory sacroiliac joints are true synovial joints [4][5][6]14,15,[18][19][20]. Since both are located in the same region, the axial sacroiliac joint can be confused with the accessory sacroiliac joint especially on radiographs [5,14,18].…”

Section: Introductionmentioning

confidence: 99%

“…In contrast, accessory sacroiliac joints are true synovial joints [4][5][6]14,15,[18][19][20]. Since both are located in the same region, the axial sacroiliac joint can be confused with the accessory sacroiliac joint especially on radiographs [5,14,18]. Although ASIJ is defined as a syndesmosis by some researchers, it is more commonly described as a synovial joint [4][5][6]17,18].…”

Section: Introductionmentioning

confidence: 99%

“…Since both are located in the same region, the axial sacroiliac joint can be confused with the accessory sacroiliac joint especially on radiographs [5,14,18]. Although ASIJ is defined as a syndesmosis by some researchers, it is more commonly described as a synovial joint [4][5][6]17,18]. ASIJ has a higher prevalence in older people, obese individuals and women with a history of 3 or more deliveries [13].…”

Section: Introductionmentioning

confidence: 99%

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Prevalence of Accessory Sacroiliac Joint and Its Clinical Significance

2023

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Objective: To determine the prevalence of the accessory sacroiliac joint (ASIJ) on both computed tomography (CT) images and dry bones and ultimately, to contribute to the literature. Materials and Methods: CT images archived in the Radiology department of Gaziantep University Medical Faculty obtained from 145 individuals (104 males and 41 females) as well as 92 sacral bones were examined. Results: The prevalence of ASIJ among 92 sacral bones was 15.2%. The ASIJ was more commonly (52%) located at the posterior portion of the SIJ at the level of the second dorsal sacral foramen. In 48% of the bones, ASIJ was identified just above the first dorsal sacral foramen. Unilateral ASIJ was observed in 10.8% and bilateral ASIJ in 4.4% of the sacral bones. On CT images, ASIJ was found in 7.8% of the males and 7.2% of the females. The total prevalence of sacroiliac joint variations was 28.9%, and 6.8% of them were ASIJs. Conclusion: It should be kept in mind that ASIJ may be a source of arthritis and chronic hip pain. The presence of ASIJ should be sought through imaging studies for early diagnosis of ASIJ.

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Prevalence of sacroiliac joint fusion in females and males depending on parity status

Aulds

2024

American Journal of Biological Anthropology

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ObjectivesPrevious research shows that sacroiliac (SI) joint fusion is age and sex dependent. Older individuals—specifically starting in the fifth or sixth decade of life—are more likely to develop SI fusion. Females have a lower frequency of SI joint fusion than males, perhaps due to pregnancy or parturition. This study examines the relationship between SI joint fusion with both sex and parity status in females. The issue is whether the prevalence of SI fusion in nulliparous females is more similar to that of males or parous females.Materials and MethodsThe sample consists of 46 nulliparous females, 119 parous females, and 158 males from the William M. Bass Donated Skeletal Collection. Ages of the individuals ranged from 50 to 89 years. Sex, age, and parity status were self‐reported.ResultsThe frequency of SI joint fusion is significantly different among males (13.29%), nulliparous females (6.52%), and parous females (0.84%). Pairwise comparison of the three groups for SI joint fusion shows that parous females and males are significantly different, but nulliparous females are nonsignificantly different from parous females and males.DiscussionParity status does not appear to be a factor in the sexually dimorphic nature of SI joint fusion in this sample. Rather, biomechanical and hormonal factors may have a greater contribution to higher rates of SI joint fusion in males than females.

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Sacroiliac Joints

Cited by 3 publications

References 58 publications

Topographic localization of the sacroiliac joint and superior gluteal artery branches on the posterolateral ilium

Topographic localization of the sacroiliac joint and superior gluteal artery branches on the posterolateral ilium

Prevalence of Accessory Sacroiliac Joint and Its Clinical Significance

Prevalence of sacroiliac joint fusion in females and males depending on parity status

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