Classification and morphological parameters of the coracoid process in Chinese population

Zhang, Lei; Xiong, Lujing; He, Shuangshuang; Lü, Jiaju; Zhou, Xin; Tang, Xiaogao; Fu, Shoukuan; Wang, Guoyou

doi:10.1177/23094990211069694

Cited by 3 publications

(2 citation statements)

References 28 publications

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“…In view of the deficiencies of traditional internal fixation devices, a new titanium anatomic plate was designed based on the 3D printed models of the scapula of 62 patients and the anatomical data of related literature [ 22 – 24 ]. The titanium anatomic plate was a double-row internal fixation device that followed the design principle of “three-point, two-line” [ 25 ].…”

Section: Discussionmentioning

confidence: 99%

Finite element analysis of titanium anatomic plate and titanium reconstructive plate for treatment of extra-articular fractures of the scapula

Shang¹,

Bi²,

Cao³

et al. 2023

J Orthop Surg Res

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Background Due to the lack of postoperative reporting outcomes and bio-mechanical studies, an optimal management of scapular fractures has not been well-established in clinical treatment, even though there are many options available. This study aimed to compare the stability of the new titanium anatomic and traditional titanium reconstructive plates for extra-articular scapular fractures through finite element analysis. Methods Two models of scapular assembly were constructed, including one anatomic plate (AP model) and one reconstructive plate (RP model). After meshing, material parameter, and boundary condition settings, we applied four loading conditions to simulate forces acting on the scapula and osteosynthesis material. To evaluate the bio-mechanical properties, the equivalent von Mises stress, equivalent elastic strain, and total deformation were investigated. Result The stress and strain distribution of model AP has better performance than model RP, with more uniform and lower values. The maximum stress value of the scapula in model AP is smaller than that of the scapula in model RP (102.83 MPa vs. 166.71 MPa). The maximum stress of the anatomic plate is half that of the reconstructive plate (218.34 MPa vs. 416.01 MPa). The maximum strain of the scapula in model AP is smaller than that of the scapula in model RP (0.0071 vs. 0.0106). The maximum strain of the anatomic plate is half that of the reconstructive plate (0.0019 vs. 0.0037). The maximum displacement of each model is all at the acromion, with a similar value (2.2947 mm vs. 1.8308 mm). Conclusions With sufficient bio-mechanical stability, the anatomic plate to support scapular fracture fragments was superior to that of the reconstructive plate.

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Section: Discussionmentioning

confidence: 99%

Finite element analysis of titanium anatomic plate and titanium reconstructive plate for treatment of extra-articular fractures of the scapula

Shang¹,

Bi²,

Cao³

et al. 2023

J Orthop Surg Res

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“…Эти варианты ИС требуют дифференцированного терапевтического и хирургического подхода (табл. 1) [10][11][12].…”

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Variants of impingement syndrome of the shoulder joint

Нестеренко¹,

Karateev²,

Arkhipov³

et al. 2023

Naučno-praktičeskaâ revmatologiâ

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Pain in the shoulder joint is one of the most common reasons for seeking medical help associated with the pathology of the musculoskeletal system. The most common disease in this area that causes chronic pain is impeachment syndrome (IS) of the rotator muscles of the shoulder. The domestic literature describes in sufficient detail surgical and conservative approaches for lesions of the shoulder joint, but there are only a few publications on the types of IS. This review is devoted to the description of all occurring types of compression of the tendons of the muscles of the rotator cuff of the shoulder joint within the framework of IS.

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Variability in the distance between the suprascapular notch with the spine of the scapulae and the acromion

Filkin,

Massy-Westropp,

Wechalekar

2023

Clin Rheumatol

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Introduction The suprascapular notch lies in the superior border of the scapula and is a passageway for the suprascapular nerve that is sensory to the shoulder joint. Suprascapular nerve block involves injection of local anaesthetic into the suprascapular notch, either ultrasound guided or blind, using the spine of scapula and/or the medial border of the acromion as surface landmarks. Aim To investigate the anatomic variations that exist between the distance of the notch from the spine of scapula and acromion. Method Ninety-two dry scapulae were measured with a digital calliper for their length of the spine, distance between the midpoint of the spine and base of the suprascapular notch and distance between the medial border of the acromion and the base of the suprascapular notch. These measurements were compared for variations in the scapular bony landmarks, the spine and the acromion to determine the site for the injection. Results Measurement reliability was assessed by intraclass correlation, Cronbach’s alpha being 0.99, 0.97 and 0.91 for length of spine, distance from spine and distance from acromion respectively. The distance from the acromion had less variation in measurement (3.73 ± 0.42 cm) but a flatter distribution when compared to distance from the spine of the scapula (3.32 ± 0.39 cm). Conclusion Length of the spine of the scapula appeared not to influence either distance from the acromion or distance from the spine of scapula. There is potential for greater variability in placement of nerve blocks that use acromion as the bony reference. Key Points• Dry scapular measurement using electronic Vernier callipers is accurate (0.91–0.97).• There is potential for greater variability in placement of blind nerve blocks that use acromion as the bony reference to locate the suprascapular notch.

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Classification and morphological parameters of the coracoid process in Chinese population

Cited by 3 publications

References 28 publications

Finite element analysis of titanium anatomic plate and titanium reconstructive plate for treatment of extra-articular fractures of the scapula

Finite element analysis of titanium anatomic plate and titanium reconstructive plate for treatment of extra-articular fractures of the scapula

Variants of impingement syndrome of the shoulder joint

Variability in the distance between the suprascapular notch with the spine of the scapulae and the acromion

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