Keywords: Calcaneum, Bohler's angle, Gissane's angle, Maryland foot score, Locking calcaneal plate. Introduction. Calcaneum fractures are one of the most

10 Aug 2016 Critical Angle of Gissane: Measured on lateral radiograph, this “critical angle” is formed by the downward and upward slopes of the calcaneal

An angle directly inferior to the lateral process of the talus, formed by a line drawn along the posterior facet of the calcaneus and a line drawn from the anterior process to the sulcus calcaneus, and best seen on a lateral plain film of the calcaneus and hind foot. The crucial angle of Gissane is one of two angles (the The average Gissane angle in our study is 126.79 degrees, whereas in the western population, it is 122.5 degrees. The difference between the western and Indian value in Gissane angle is statistically significant (P < 0.05). 2011-01-10 · In the paediatric study group, the mean Bohler's angle was 35.2 degrees (range 14.3 to 58.1 degrees) and the mean crucial angle of Gissane was 111.3 degrees (range 90.1 to 147 degrees).

Gissane angle

METHODS: The electronic literature database of Pubmed, Embase, and Cochrane library were searched in April 2018. The data on Böhler angle, Gissane angle, calcaneal width, calcaneal height, AOFAS hindfoot scores and complications (including wound edge necrosis, wound infection, deep infection, hematoma and sural nerve injury) were extracted. 2015-12-01 · In summary, like other radiographic measurements, Böhler's angle and the crucial angle of Gissane possess limitations in reliability. Using trained observers for measurement, we show that even in optimal settings, disagreement in X-ray interpretation is common. Bohler angle and the crucial angle of Gissane are used on the evaluation of calcaneus fractures.

This meta-analysis showed that there was no significant difference between the two groups regarding the Böhler angle (P = 0.44), Gissane angle (P = 0.06), calcaneal width (P = 0.09) and calcaneal height (P = 0.44) postoperatively and at the last follow-up.

Bohler's angle (also sometimes referred to as the "Tuber Angle") is formed by the intersection of lines 1 and line 2 on the lateral ankle radiograph. The normal range is 20 to 40 degrees. Angles < 20 degrees is suggestive of a calcaneus fracture and/or disruption of the posterior facet. The critical angle of Gissane (G) and the Boehler angle (B) have also been drawn in.

This meta-analysis showed that there was no significant difference between the two groups regarding the Böhler angle (P = 0.44), Gissane angle (P = 0.06), calcaneal width (P = 0.09) and calcaneal height (P = 0.44) postoperatively and at the last follow-up.

Varying angular obliquity in the posteroanterior direction (Fig. 3D) did not evidently affect Gissane's angle, with a maximum decrease in Gissane's angle of 3.3° in the anterior direction and 2.9° in the posterior direction. Abstract.

The Angle of Gissane is the angle formed by the intersection of downward and upward slopes of the calcaneal superior surface on lateral images. The Angle of Gissane, or "Critical Angle", is the angle formed by the downward and upward slopes of the calcaneal superior surface. On a lateral radiograph, an angle of Gissane > 130° suggests fracture of the posterior subtalar joint surface.
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Historically, physicians would measure Bohler’s angle and the critical angle of Gissane in cases where a calcaneal fracture was not clearly evident on a plain X-ray. Outlined in Figure 3, a calcaneal fracture would be suspected if Bohler’s angle was below 20 degrees or the critical angle of Gissane was noted to be more than 140 degrees.
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Bohler and Gissane angle; to assess the loss of calcaneal inclination and in evaluating the involvement of the subtalar joint.3 Furthermore most intraarticular fractures involve the posterior articular facet of the subtalar joint, which is the major weight bearing portion of the human heel. *Corresponding author.

102 - Critical angle of Gissane *In 1947, Gissane described his critical angle or crucial angle. *He noted a distinct angular cortical platform that parallels the lateral process of the talus on lateral radiographic projection. *This cortical density represents the dense subchondral bone lying beneath the posterior, anterior and middle facets. Clinically, Gissane’s angle is defined on a lateral radiograph by two strong cortical struts, one extending along the lateral border of the posterior facet to the fossa calcanei and the other from the fossa along the lateral border of the sinus tarsi [ 10 ].

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No differences were observed in the angles in terms of the comparison between sex and age. Conclusion: In the Brazilian population, the Gissane angle is 110.6 ±

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