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PubMedDate not supplied

Arthroscopic observation of capsulolabral reduction after shoulder dislocation.

The standard treatment for most first-time anterior shoulder dislocations is reduction and immobilization. This places the arm in a position of adduction and internal rotation. We question whether this position assists or hinders reduction of a displaced capsulolabral injury (Bankart lesion). This study examined the pathology present after traumatic first-time anterior shoulder dislocations and looked at the reduction of the Bankart lesion in internal and external rotation. A series of 25 patients with Bankart lesions were identified who underwent arthroscopy at a mean of 10.5 days after first-time anterior shoulder dislocations. We found that there is wide variation in pathology after anterior dislocation. In 23 of 25 patients in whom the capsulolabral complex was detached (Bankart lesion), we found that external rotation of the arm improved the reduction of the labrum (92%). We conclude that in patients with a displaced Bankart lesion, the standard treatment of immobilization in internal rotation may hinder anatomic healing of this injury.

Adolescent↗
PubMed1993

[A new self-repositioning technique for fresh, anterior-lower shoulder dislocation].

In case of a shoulder dislocation there is always a question of a safe and atraumatic reduction technique if possible without analgetics or even general anesthesia. The dislocated humeral head is reduced anatomically with the help of the patient's own body weight under muscular relaxation without injuring manipulations. Even with displaced fractures of the greater tuberosity or an impression fracture of the humeral head successful reductions were obtained. We have been using this method for over three years with a primary success rate of over 60%.

Humans↗
PubMedDate not supplied

Shoulder dislocation after infraclavicular coracoid block.

OBJECTIVE: We report a case of shoulder dislocation after a brachial plexus block with a double-injection technique using the infraclavicular coracoid approach. CASE REPORT: An obese woman with no previous episodes of joint dislocation developed an anterior dislocation of the head of the humerus after an infraclavicular coracoid block performed for hand surgery. Dislocation was probably because of a combination of unrecognized glenohumeral instability, paralysis of some muscles of the shoulder, and positioning of her arm on a board below her torso. Shoulder dislocation was recognized after surgical positioning of her arm, and painless reduction was achieved. There were no sequelae after 10-day follow-up. CONCLUSIONS: When motor block of the muscles of the shoulder occurs after brachial plexus anesthesia, special care must be taken in patient positioning to avoid shoulder dislocation.

Carpal Tunnel Syndrome↗
PubMed1993

[Analgesic-free self-reduction of acute shoulder dislocation].

Incidence and severity of shoulder lesions are increasing especially in alpine skiing accidents. In case of a shoulder dislocation there is always the question of a safe and atraumatic reduction technique if possible without analgetics or even general anesthesia. We present a new reduction technique with the help of the patient's own body weight under muscular relaxation. Even in the presence of displaced fractures of the greater tuberosity or a depression fracture of the humeral head successful reductions were obtained. After the reduction, the arm is immobilized in a Gilet. The patient is able to leave immediately after a radiographic control. We have been using this method for some years with a primary success rate of about 60 per cent.

Adult↗
PubMed1999

Prereduction radiographs in clinically evident anterior shoulder dislocation.

The main study objective was to determine if experienced emergency physicians can accurately identify a subgroup of patients with anterior shoulder dislocation for whom prereduction radiographs do not alter patient management. Our prospective study evaluated 97 patients who presented to 2 ski-hill clinics and to our rural emergency department with possible shoulder dislocation between November 1996 and May 1997. Emergency physicians were certain of shoulder dislocation by clinical examination alone in 40 of 59 cases (67.8%) of possible dislocation. All 40 cases were found to have a dislocation (100%; 95% Cl, 91.19% to 100%), and the prereduction radiograph did not affect management of the injury. Prereduction radiographs added 29.6 +/- 12.68 minutes to treatment. We conclude that shoulder dislocation is often readily apparent from history and physical examination. When the experienced emergency physician is certain of the diagnosis of anterior shoulder dislocation, prereduction radiography delays treatment and does not alter management.

Adolescent↗
PubMed2002

Etomidate and midazolam for reduction of anterior shoulder dislocation: a randomized, controlled trial.

STUDY OBJECTIVE: We determine whether patients with acute, anterior shoulder dislocation undergoing emergency department procedural sedation and analgesia (PSA) with intravenous etomidate would experience a reduced time of impaired consciousness when compared with a group of patients receiving intravenous midazolam. METHODS: This study was a prospective, double-blinded, randomized, institutional review board-approved trial of ED patients with anterior shoulder dislocation. Patients were randomized to receive intravenous boluses of etomidate (0.1 mg/kg) or midazolam (0.033 mg/kg) during PSA. The primary outcome for comparison was PSA duration. RESULTS: Forty-six patients with anterior shoulder dislocation were enrolled: 22 in the etomidate group and 24 in the midazolam group. Three patients sustained reduction without physician or sedative intervention. Two patients were excluded from protocol because of unavailable study drug or fracture dislocation. The median lowest modified postanesthetic recovery score observed during PSA was 5 (95% confidence interval [CI] 4 to 7) in the etomidate group and 6 (95% CI 6 to 7) in the midazolam group. The median time of PSA for patients receiving etomidate was 10 minutes (95% CI 8 to 15) compared with 23 minutes (95% CI 16 to 30) for patients receiving midazolam, with a difference between the group medians of 13 minutes (95% CI 5 to 22). Reduction success was achieved in 37 (90%) of 41 patients: 2 did not experience reduction with etomidate and 2 did not experience reduction with midazolam. There were 15 PSA complications reported. CONCLUSION: Etomidate provides effective PSA for reduction of ED patients with anterior shoulder dislocation. When compared with midazolam, etomidate use confers a significantly shorter period of PSA.

Adult↗
PubMed2004

Anterior shoulder dislocations: beyond traction-countertraction.

The shoulder is the most commonly dislocated large joint presenting to American Emergency Departments (ED). Anterior dislocations account for the great majority of these dislocations. Most anterior shoulder dislocations can be reduced in the ED using a variety of reduction techniques. The traction-countertraction technique is quite familiar to most Emergency Physicians, however, many other effective methods of reduction have been described. No method has proven 100% successful, and occasionally multiple attempts using different techniques are required to effect reduction. This article reviews some of the other techniques used to reduce anterior shoulder dislocations, variations reported on these techniques, and their success rates, advantages, and disadvantages.

Emergency Medical Services↗
PubMed1998

The value of ultrasonography in the diagnosis of labral lesions in patients with anterior shoulder dislocation.

OBJECTIVE: To evaluate the ability of ultrasonography to detect labral lesions in patients with anterior shoulder dislocation. METHODS: We examined 29 patients with anterior shoulder dislocation with ultrasonography prior to arthroscopy. RESULTS: Twenty-six patients had labral lesions diagnosed by arthroscopy. These lesions were detected by ultrasonography with a sensitivity of 88% and a specificity of 67%. All lesions affected the anterior labrum, while six extended to the posterior labrum. The latter were not visualized by ultrasonography. CONCLUSION: Ultrasonography is valuable in the detection of anterior labral lesions even in patients with recent shoulder dislocation.

Adolescent↗
PubMed2003

Anterior shoulder dislocation: quantification of glenoid bone loss with CT.

OBJECTIVE: In recurrent anterior shoulder dislocation, glenoid bone loss may predispose the patient to further dislocation and failure of a Bankart repair. This study investigates the quantification of glenoid bone loss in anterior shoulder dislocation using CT. SUBJECTS AND METHODS: CT examinations were performed on 40 patients (average age, 31 years; range, 13-82 years), comprising 46 shoulders with anterior dislocation and 34 contralateral normal shoulders. Twenty shoulders in 10 healthy subjects were also examined. Both shoulders were examined simultaneously. Image reconstruction included oblique sagittal reformatted images en face to the glenoid fossa. Seven aspects of glenoid fossa shape and size were measured, including the cross-sectional area, maximum width, maximum height, and flattening of the anterior glenoid curvature. RESULTS: Variable flattening of the anterior glenoid curvature was a feature in 42 (91%) of 46 dislocated shoulders although it was seen in only two (4%) of 54 normal shoulders. Anterior glenoid flattening increased exponentially with an increasing number of dislocations. Anterior glenoid flattening, decreased maximum glenoid width, and decreased maximum width-to-length ratio were the most useful measures of bone loss. Maximum glenoid width was smaller than on the contralateral side in 79% of patients with unilateral dislocation by an average of 3.0 mm (range, 0.1-10 mm) or 10.8% (range, 0.4-32%). Glenoid cross-sectional area was a less useful measure of glenoid bone loss. CONCLUSION: Flattening of the anterior glenoid curvature is shown in most patients with anterior dislocation. In unilateral dislocation, a comparison of maximum glenoid width with that on the contralateral side was the best discriminator of moderate to severe glenoid bone loss.

Adolescent↗
PubMedDate not supplied

Arthroscopic evaluation of acute initial anterior shoulder dislocations.

Arthroscopic evaluation of patients with an acute anterior shoulder dislocation was done to identify and classify the intraarticular lesions that might predict recurrent dislocations. Forty-five shoulders fit the following criteria for inclusion in our study: initial dislocation with no prior history of shoulder problems; confirmation of the dislocation radiographically or reduction by a physician; and arthroscopy within 10 days. The 42 men and 3 women had an average age of 21.2 years (range, 14 to 28 years). Mechanism of injury was a twisting of the arm into forced abduction and external rotation, a fall on the outstretched arm, or a direct blow to the shoulder. Based on this preliminary study of 45 shoulders, we present a classification of the lesions found in the acute shoulder dislocation. Group 1 (six shoulders) had capsular tears with no labral lesions: these shoulders were stable under anesthesia and had no or minimal hemarthrosis. Group 2 (11 shoulders) had capsular tears and partial labral detachments: these shoulders were mildly unstable and had mild to moderate hemarthrosis. Group 3 (28 shoulders) had capsular tears with labral detachments: these shoulders were grossly unstable and had large hemarthrosis. They had complete capsular/labral detachments. In the past, redislocation rates have been primarily related to age at the time of initial dislocation and, to a lesser degree, the period of immobilization. We have identified the intraarticular lesions in 45 patients with an initial anterior glenohumeral dislocation and classified these shoulders into three groups based on the lesions found. By doing so, we can develop a more accurate method of determining which shoulders are prone to recurrent dislocation.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗
PubMed1996

The scapular manipulation method for reducing anterior shoulder dislocations.

Anterior dislocation of the shoulder is the most common dislocation encountered by the emergency room medical officer. Many of the present methods employed, such as Kocher's method, the Hippocratic method and distraction method, necessitate the use of both intravenous pethidine and midazolam, which prolongs the recovery time of the patient in the emergency room, as well as carrying the risk of respiratory depression. Also, such methods are associated with complications such as fractures of the humerus and injury to the axillary vessels and brachial plexus. In view of the above disadvantages, an alternative method of reducing anterior shoulder dislocations was introduced to our emergency room medical officers. For a period of 9 months, the Accident and Emergency Department of Toa Payoh Hospital assessed the method of scapular manipulation for reducing anterior shoulder dislocations. This was a descriptive study. The method was found to have a high success rate (78.4%), was easy to teach, did not rely on the use of strong intravenous sedative agents, and was free of complications. Our experience with this method compared favourably with that of another large series which had a success rate of 79%.

Adolescent↗
PubMedDate not supplied

[Cancellous metal implant in the surgical treatment of recurrent post-traumatic shoulder dislocation].

After a short abstract about history and principles in the operative treatment of recurrent dislocation of the shoulder joint and after an illustration of disadvantages and complications in the operative technique described by Eden-Hybinette-Lange, which is favoured in the German speaking area, we are introducing a modification of this technique by use of an implant made from cancellous metal "Lübeck" instead of a bone block. In addition to the introduction of this new technique, first results in 14 patients undergoing this operation are shown up.

Adolescent↗
PubMedDate not supplied

[Sonographic assessment of typical lesions in shoulder dislocation].

The traumatic dislocation of the shoulder joint is the most often joint luxation. The involved patients are often sporting and between the age of 20 to 40 years. The therapeutic and prognostic point of interest is to recognize and reconstruct injured structures. Among the soft tissue injuries the Bankart lesions, among the osseous injuries the Hill-Sachs defect are numeric well to the fore. Hitherto existing diagnostic methods for these injuries are either invasive or with X-rays. Its is demonstrated, that dynamic ultrasonography examination of the shoulder joint can visualize besides the rotator cuff abnormalities of the labrum glenoidale and the caput humeri outline.

Adult↗
PubMed1988

[Value of conventional x-ray diagnosis and computerized tomography in the detection of Hill-Sachs defects and bony Bankart lesions in recurrent shoulder dislocations].

Forty patients with anterior dislocation of the shoulder were examined in order to demonstrate Hill-Sachs defects and bony Bankart lesions. All patients had conventional radiographs of the shoulder in two planes, special views according to Hermodsson and Bernageau and CT. The examinations were evaluated by three observers. CT was regarded as the gold standard. Sensitivity for demonstrating Hill-Sachs defects for the standard views was 45% and for the Hermodsson views was 76%. For demonstrating Bankart lesions, standard views had a sensitivity of 37% and the Bernageau view 64%. Computed tomography was markedly superior to the standard and the special views, both for demonstrating the lesions and the agreement between various observers.

Female↗
PubMed1993

Intraarticular autogenous bone grafting in recurrent shoulder dislocations.

In a reexamination, 24 young soldiers who had been operated on using a new method of screwing an autogenous bone graft into the glenoid rim in cases of recurrent dislocation of the shoulder joint were investigated. A major functional problem is the reduced lateral rotation, even by using other procedures for operative treatment like Eden-Hybinette or Putti-Platt. This reduction of shoulder movement results in problems using the affected arm during sporting activities or military duties. There has been an excellent result without any redislocation in a follow through of 6 to 42 months and more than 90% satisfied patients, with only a very low rate of reduction of lateral rotations about 10 degrees using this procedure. The X-rays of all the patients, reinvestigated, showed a complete healing of the bone grafts into the glenoid rim and correct position of AO-screws.

Adolescent↗
PubMed2005

Anterior capsulolabral reconstruction for traumatic recurrent anterior shoulder dislocation.

The anterior capsulolabral reconstruction (ACLR) has been shown to yield satisfactory results predominantly in overhead athletes with atraumatic anterior shoulder instability. The purpose of this study was to assess the clinical results of patients who underwent ACLR for recurrent traumatic anterior shoulder dislocation. A retrospective review of 41 patients, mean age 29 (range: 16 to 55 years) who underwent ACLR for traumatic recurrent anterior shoulder dislocation was performed. All patients reported a traumatic anterior shoulder dislocation with subsequent recurrent instability. Seven patients had undergone previous shoulder stabilization surgery which had failed. The mean number of previous dislocations was 4.5 (range: 1 to 15). There were 31 males and 10 females, and the dominant arm was involved in 24 patients. In all cases, the capsulolabral complex was detached from the glenoid rim. The mean follow-up was 3.6 years (range: 15 to 80 months). All patients were evaluated by physical examination. The mean modified Rowe score was 93.6 (range: 65 to 100). There were 32 excellent, 5 good, 1 fair, and 2 poor results. Instability was eliminated in 38 patients (93%). Of 25 patients who engaged in recreational sports, all were able to return to their previous level of participation. One patient sustained a traumatic redislocation and underwent revision surgery. Two patients reported atraumatic recurrent subluxation with one requiring revision surgery due to persistent symptoms of instability. There was no loss of range of motion in comparison to preoperative values. Of the seven shoulders that had undergone previous surgery, all remain stable. These results indicate that a glenoid-sided capsulolabral reconstruction can restore shoulder stability in patients with recurrent traumatic anterior shoulder dislocation. Success rates comparable to those of other open anterior shoulder repair procedures can be achieved.

Adolescent↗