Analysis of the bony geometry of the acromio-clavicular joint

Crönlein, Moritz; Postl, Lukas; Beirer, Marc; Pförringer, Dominik; Lang, Jennifer K.; Greve, Frederik; Müller, Michael; Biberthaler, Peter; Kirchhoff, Chlodwig

doi:10.1186/s40001-018-0348-3

Cited by 8 publications

(3 citation statements)

References 23 publications

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“…BAD is the distance between the acromial processes of the scapulae, which join the clavicle at the acromioclavicular joint [32]. Hence, it may be more practical to measure the clavicle to calculate BAD.…”

Section: Discussionmentioning

confidence: 99%

A new approach to predicting shoulder dystocia: fetal clavicle measurement

Terzi¹

2021

Turk J Med Sci

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Background/aim: This study aimed to evaluate the relationship between second-and third-trimester clavicle lengths and birth weight and shoulder dystocia. Materials and methods:This prospective observational study included 181 patients who presented to the Private Etlik Lokman Hekim Hospital for routine pregnancy visits between March 2019 and March 2020. In addition to routine pregnancy examinations, the patients also underwent ultrasonography twice at weeks 20-23 and 33-36 to determine the length of the fetal clavicle. The patients were evaluated for shoulder dystocia in the second stage of labor. The birth weight of the neonates was recorded. The primary objective of this study was to establish the relationship between third-trimester clavicle length and shoulder dystocia.Results: Fetal clavicle length increases in the second trimester with the advancing gestational week but does not significantly change in the third trimester. We did not observe any significant difference for second trimester clavicle length between the type of delivery, birth weight, or shoulder dystocia. Moreover, we did not observe any significant difference for third trimester clavicle length between types of delivery. However, we found a significant relationship between third trimester clavicle length and birth weight and shoulder dystocia. The median third-trimester clavicle length was 39.5 mm (range: 30.7-43.9) in neonates who did not develop shoulder dystocia and 42.5 mm (range: 41.4-43.1) in the 3 neonates who developed shoulder dystocia. The third-trimester clavicle length cut-off for shoulder dystocia was calculated as 41.35 mm (sensitivity: 100.00%, specificity: 83.82%, accuracy: 84.5%). The third-trimester clavicle length cut-off for macrosomia (defined as birth weight of ≥4100 g) was 40.75 mm (sensitivity: 87.50%, specificity: 77.56%, accuracy: 78.05%). Conclusion:Third-trimester fetal clavicle length, an important component of biacromial diameter, as measured by ultrasonography, is a practical and significant method for predicting macrosomia and shoulder dystocia.

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Section: Discussionmentioning

confidence: 99%

A new approach to predicting shoulder dystocia: fetal clavicle measurement

Terzi¹

2021

Turk J Med Sci

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“…Type 6 -It represents the rarest type of AC joint injuries. In this type, an inferior dislocation occurs below the acromion and behind the joint tendon of the biceps and step brachialis 21 .…”

Section: Classificationmentioning

confidence: 99%

The acromioclavicular joint injuries treatment

et al. 2022

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“…Розміри суглоба варіабельні -суглобова щілина у середньому у жінок становить до 9 мм, у чоловіків -6 мм. Залежно від акроміального та ключичного кута розрізняють три типи взаєморозташування ключиці та акроміального відростка лопатки, які були описані M. R. Urist (1946) [7][8][9].…”

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Clinical and Instrumental Diagnosis of Dislocations of the Clavicle Acromial End

Buryanov,

Kvasha,

Chekushyn

et al. 2023

FMEP

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Dislocations of the acromial end of the clavicle (AEC) are a very common traumatic injury. They account for 6.8% to 26.1% of all dislocations and rank third place after shoulder and forearm dislocations. AEC dislocation is usually caused by a fall on the shoulder followed by downward traction of the upper limb. This traumatic injury is more often diagnosed in men mostly of working age, which determines the social significance of this injury. In the structure of acute traumatic injuries in the shoulder girdle, the rate of AEC dislocations is more than 12%. An important stage of diagnosis is establishing the type of damage, which determines the choice of method and treatment approach. The definition of horizontal instability, which is determined by using instrumental survey methods, plays a significant role. The objective: to analyze the level of diagnosis of AEC dislocations by development a clinical diagnostic algorithm. Materials and methods. During the study, our own experience in the diagnosis and treatment of 375 patients with AEC dislocations over a period of almost thirty years was used, and the literature sources of Pubmed, Up-to-date, Scopus, Web of Science, MedLine, The Cochrane Library, EMBASE, Global Health, Cyber Leninka. Results. It was found that to diagnose and determine the type of damage are necessary points to conduct a targeted bilateral examination using the obtained data. X-ray examination with certain projections is a mandatory and sufficiently informative instrumental method. Sonographic and MRI examinations objectify the place and type of damage. Their validity is appropriate in the differential diagnosis of the pathology of the AEC and the shoulder joint. Conclusions. A “Clinical-instrumental diagnostic algorithm for AEC dislocations” has been developed, which will reduce the number of diagnostic errors, that will ensure timely treatment of patients with this pathology.

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Analysis of the bony geometry of the acromio-clavicular joint

Cited by 8 publications

References 23 publications

A new approach to predicting shoulder dystocia: fetal clavicle measurement

A new approach to predicting shoulder dystocia: fetal clavicle measurement

The acromioclavicular joint injuries treatment

Clinical and Instrumental Diagnosis of Dislocations of the Clavicle Acromial End

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