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Results for “Shoulder Dislocation”

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PubMed1989

[Ultrasonic diagnosis of tendon and ligament injuries in anterior dislocations of the shoulder joint].

The usefulness of ultrasonography in diagnosis of frequently occurring traumatic injuries of the ligament-tendon apparatus of the shoulder has been evaluated and compared with intra-operative nd contrast roentgenography examinations. An analysis of 102 cases, including 85 fresh anterior dislocation, 17 habitual anterior dislocation, has been made. 306 ultrasonographic examinations have been performed. A frequent coexistence of injuries of the tendon of the long head of the biceps muscle with an injury of the rotators cuff, mainly the supraspinous muscle, has been pointed out. The purposefulness of routine ultrasonographic examinations in injuries of the shoulder, especially acute, and full consideration of indications of early surgical treatment have been stressed.

Adolescent↗
PubMed1983

Primary dislocation of the shoulder. Factors affecting the two-year prognosis.

Two hundred fifty-five patients with 257 primary dislocations of the shoulder were followed up for two years +/- 15 days in a multicenter study in Sweden. In patients 22 years of age or younger, there was a 47% recurrence rate. The corresponding figures for patients 23-29 and 30-40 years of age were 28% and 13%, respectively. The greatest risk for recurrence was in patients 17-19 years of age, 53% of whom had at least one recurrence. Such factors as sex, type of trauma, or physical activities did not enter into the prognosis. Spontaneously appearing dislocations were found most often in patients 22 years of age or younger--14% as compared with 1% in patients 30-40 years of age. The incidence of bilateral dislocations was greatest in patients 23-29 years of age.

Adolescent↗
PubMed1991

[The form and size of the glenoid cavity].

Measurements on 319 macerated scapulae showed a size of the surface of the glenoid cavity between 3.5 and 9.7 cm2. We tried also to evaluate the size of this surface in living humans. This is principally possible, but in 10% of all scapulae there is an error range of more than +/- 1 cm2. The error range in small scapulae (greater than 5 cm2) can be reduced to +/- 0.58 cm2. The shoulder joint is not a ligament but a muscle dependent joint. Therefore the adhesion in this joint, relying on the smaller surface is very important. The small surface of cavitas glenoidalis in the context of habitual shoulder dislocation could be an important role.

Humans↗
PubMedDate not supplied

Comparison of an arthroscopic and an open procedure for posttraumatic instability of the shoulder: a prospective, randomized multicenter study.

From 1993 through 1996, a multicenter study was conducted on the surgical treatment of patients with posttraumatic recurrent anterior shoulder dislocations. Fifty-six patients (40 men, 16 women; mean age 26 years [range 18-51 years]), were evaluated with shoulder arthroscopy. If a Bankart lesion was present, the patients were randomly allocated to either an arthroscopic reconstruction with the use of biodegradable tacks or an open reconstruction with suture anchors. The postoperative rehabilitation protocol for the two groups was identical. In all patients, the range of shoulder motion, stability, and the Constant and Rowe scores were evaluated at 3, 12, and 24 months postoperatively. Thirty patients were surgically treated with the arthroscopic technique and 26 patients with the open technique. In the arthroscopic group, there were recurrences in 7 (23%) of 30 patients at a mean of 13 months (range 5 to 21 months) after surgery. All patients with stable shoulders had a negative apprehension test result. In the open group, there were recurrences in 3 (12%) of 26 patients at a mean of 10 months (range 2 to 23 months) after surgery (P = not significant). In the arthroscopic group, 2 patients had new traumatic redislocations, whereas 1 patient redislocated during an epileptic seizure. In the open group, 1 traumatic redislocation occurred. The 2-year results in this study demonstrate a large number of redislocations after reconstruction, even in the open surgery group. Patient noncompliance with the rehabilitation protocol and predisposing disease may partially explain these results. A tendency was seen toward more redislocations in the arthroscopic group, which emphasizes the importance of correct patient selection and careful surgical technique in the difficult surgical procedure.

Adolescent↗
PubMed2007

[Primary stability of the capsule-labrum complex after reconstruction with the Mitek Bioknotless anchor system in human cadaver models].

BACKGROUND: This study examines the postoperative stability of the Mitek Bioknotless anchor system with biomechanical draw-out pulling in human cadaver shoulders. METHOD: With simulation of anterior shoulder dislocation a test group (n=10, Ø 45 years) was tested against a native group (n=8, Ø 47 years). All shoulders were dissected up to the passive stabilizers. In the test group an artificial Bankart lesion was created and repaired with three Mitek Bioknotless anchors. The humeri of both groups were fixed in 60 degrees glenohumeral abduction and 90 degrees external rotation and then dislocated in a ventral direction. For evaluation purposes the ultimate draw-out strength, mode of failure, translation of humeral head, capsular slope, and bone density in the test group were measured. RESULTS: In the test group the ultimate strength was a median of 937 N (min. 554 N, max. 1,294 N) with 28 bony anchor dislocations, 1 suture rupture, and 1 capsular rupture, and in the native group with 6 Bankart and 2 HAGL lesions it was 1,214 N (708 N, 1,471 N). The bone density showed a positive correlation to the draw-out strength regarding cortical density and total density. CONCLUSION: Regarding the high draw-out strength the Mitek Bioknotless anchor system provides enough stability for early functional treatment.

Cadaver↗
PubMed1987

Anterior dislocation of the shoulder in teen-agers and young adults. Five-year prognosis.

Two hundred and fifty-six of 257 shoulders in 254 patients who were between the ages of twelve and forty years and who had primary anterior dislocation of the shoulder that was treated by immobilization for at least three weeks or by early movement were followed for five years in a prospective multicenter study. Two or more recurrences had occurred in 55 per cent of the shoulders in patients who were twenty-two years old or younger, in 37 per cent of the shoulders in patients who were twenty-three to twenty-nine years old, and in 12 per cent of the shoulders in patients who were thirty to forty years old. Surgery for the treatment of instability had been performed or was scheduled to be performed in 28, 18, and 5 per cent of the shoulders, respectively, in the three age-groups. The dislocation recurred in only one of thirty-two shoulders that had a fracture of the greater tuberosity (p less than 0.001). The results as regards recurrence after five years were not influenced by immobilization of the shoulder for three to four weeks after the initial dislocation, bilateral dislocation, or the type of initial trauma and athletic activity. A moderate impression fracture of the humeral head (Hermodsson or Hill-Sachs) did not change the prognosis in the younger patients (twenty-two years old or younger). However, in the patients who were twenty-three to forty years old the rate of recurrence was significantly higher (p less than 0.01) when this injury was demonstrated.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗
PubMed1985

Posterior dislocation of the shoulder with a large anteromedial defect of the head of the humerus. A case report.

A new surgical technique for treating a posterior dislocation of the shoulder with a large anteromedial defect of the humeral head is described; it can be applied to those very severe dislocations that might otherwise be considered to need replacement or arthrodesis. A transverse osteotomy below the surgical neck of the humerus with lateral rotation of the head into anteversion limits medial rotation and this prevents the edge of the defect impinging on the posterior edge of the glenoid to cause redislocation.

Adult↗
PubMed1978

The double-contrast shoulder arthrogram. A review of 158 studies.

Experience with double-contrast arthrography indicates it is superior to the single-contrast technique. First, the double-contrast study provides additional information on the width of rotator cuff tears and on degeneration in the tendons. This information is valuable in choosing surgical candidates and electing the best surgical incision. Second, the air-distended capsule permits visualization of the entire intra-articular portion of the biceps tendon. Third, improved visualization of the articular cartilages is important in evaluating patients with previous anterior shoulder dislocations or inflammatory arthritis.

Cartilage, Articular↗
PubMed1983

Recurrences after initial dislocation of the shoulder. Results of a prospective study of treatment.

During the years 1978 and 1979, the results in 257 patients with a primary anterior dislocation of the shoulder were prospectively studied. The patients were less than forty years old and had been treated at twenty-seven Swedish hospitals. Thirty-two patients had a fracture of the greater tuberosity, but none of them reported having any further dislocations within two years after treatment, while 32 per cent of the patients without this fracture had a redislocation during the same period. The incidence of fractures of the greater tuberosity varied with the age of the patient; the highest rates were in the age groups of twelve to thirteen years and thirty-four to forty years (43 and 30 per cent, respectively), while in the age group of twenty to twenty-two years this injury was found in only 3 per cent of the patients. Chip fractures of the glenoid rim were found in 8 per cent of the patients, most of whom were in the older age groups. Impression fractures in the posterior part of the humeral head were demonstrated in 55 per cent of the patients and were not associated with a significantly higher rate of recurrence of dislocation. One hundred and twelve patients used an immobilization device for three to four weeks, while 104 patients began to use the shoulder as early and as freely as possible. At the two-year follow-up the groups showed an equal rate of recurrence of dislocation. In the age group of twenty-two years or younger nearly 50 per cent of the patients had one or more recurrences, regardless of treatment. In the two older age groups (twenty-three to twenty-nine and thirty to forty years old), the incidence of recurrence was 25 per cent or less.

Adolescent↗