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PubMedDate not supplied

The posterolateral portal: A new approach for shoulder arthroscopy.

Since the beginning of shoulder arthroscopy, many different approaches were described for Bankart repair to allow visualization and treatment. The anterior portals do not allow access to the posterior and inferior part of the glenoid. We present a new instrumental portal for shoulder arthroscopy. This approach is perfectly safe, without any anatomic risk. It is particularly helpful in the correct treatment of an anterior Bankart lesion, in repairing posterior and inferior extensions of a Bankart lesion, and in performing a plication in multidirectional hyperlaxity.

Arthroscopy↗
PubMedDate not supplied

Subacromial and intra-articular morphine versus bupivacaine after shoulder arthroscopy.

PURPOSE: Multiple studies have compared the effects of intra-articular bupivacaine and morphine for postoperative pain control after arthroscopy of the knee. To date, these agents have not been compared in the shoulder. The purpose of this study was to compare intra-articular (IA)/subacromial (SA) morphine, bupivacaine, and placebo after shoulder arthroscopy. TYPE OF STUDY: Prospective, double-blind, randomized clinical trial. METHODS: The effectiveness of each drug was measured by comparing the amount of supplemental analgesics required as well as the evaluation of each patient's level of pain after surgery. A visual analog scale was used to record each patient's level of pain before surgery and at various time intervals after surgery. The amount of supplemental analgesic was likewise recorded for 24 hours after surgery. Sixty-four patients were randomized into 3 groups and injected with morphine (n = 22), bupivacaine (n = 22), or saline (n = 20) at the conclusion of shoulder arthroscopy. The injection was directed intra-articular as well as subacromial if surgical dissection had been performed in this area. Statistical significance was determined at P <.05. RESULTS: There were no differences between groups before surgery. A statistically significant difference in pain level at 30 and 60 minutes was found. At 30 and 60 minutes, patients who were administered IA/SA bupivacaine reported average pain levels less than those administered morphine or saline. Morphine was not statistically different from saline at reducing postarthroscopy pain at any time interval. Despite differences in pain level, there were no significant differences in the amount of supplemental analgesics requested at any time interval among these 3 groups. CONCLUSIONS: IA/SA morphine does not contribute to postoperative pain control after shoulder arthroscopy, whereas IA/SA bupivacaine improves pain control during the first 60 minutes after surgery.

Adult↗
PubMed2002

Late disengagement of a knotless anchor.

The knotless anchor is a new type of suture anchor that eliminates the need to perform arthroscopic knots, thus facilitating the performance of arthroscopic shoulder surgery. We report our experience in the use of this type of anchor in arthroscopic Bankart repair and discuss a complication related to using this type of fixation device.

Adult↗
PubMed2002

Arthroscopic repair of a type II SLAP lesion using a single corkscrew anchor.

The use of a double-looped 5-mm Corkscrew anchor (Arthrex, Naples, FL) enables the surgeon to use a single anchor to perform a secure fixation of both the anterior labrum as well as the biceps insertion in a type II SLAP lesion. The technique involves tying 1 knot through the anterior portal and a second knot through the posterior portal.

Arthroscopy↗
PubMedDate not supplied

The suspension sling for arthroscopic fixation of SLAP lesions.

We describe an arthroscopic technique for SLAP fixation. In most of the cases, the arthroscopic view during a SLAP repair is complicated by the posterior-superior labrum falling into the joint. We insert 2 needles over the supraspinatus portal, which are loaded with a No. 1 PDS. One needle is inserted under the surface of the posterior-superior labrum and the other over the surface. By using the anterior-superior portal, we can retrieve the 2 sutures and knot them together. By pulling the 2-knot sutures back over the anterior-superior portal, we create a sling and can hold the posterior-superior labrum back. In doing so, we gain an excellent arthroscopic view for preparing the glenoid neck and precise positioning of fixation devices without interfering with the superior-posterior labrum. The technique is easy and safe.

Arthroscopy↗
PubMed2002

Autologous chondrocyte repair of an articular defect in the humeral head.

Articular cartilage lesions remain a difficult problem for the patient and physician. A variety of procedures and treatments have been proposed to lessen symptoms and restore the articular surface. The knee joint has been the focus of the vast majority of these cartilage restoration procedures. Articular cartilage lesions of the humerus are significantly less common, and their management remains poorly defined. This paper presents a case report of a young athlete with a large full-thickness articular cartilage defect of the proximal humerus and subsequent treatment using autologous chondrocyte implantation.

Adolescent↗
PubMed1976

[Arthrography in humeroscapular peri-arthritis].

Degenerative changes in the shoulder joint affect the capsule much more frequently than might be expected and are not seen on a plain radiograph. Arthrography of the shoulder has become of increasing significance in view of modern surgical management. Arthrography is used particularly to demonstrate a tear of the rotator cuff (especially the supra spinatus and infra spinatus). It also shows other important abnormalities which cause pain on movement, such as adhesions, tight capsule and the formation of septa. The indications, technique and necessary records, as well as typical pathological findings, are demonstrated in forty shoulder arthrograms. Hemuro-scapular peri-arthritis is a collective term for complex, primarily degenerative or posttraumatic, changes including peri-articular calcification. Demonstration of calcification alone does not justify the radiological diagnosis of humeroscapular peri-arthritis.

Calcinosis↗
PubMed2003

Salter-Harris II fracture of the proximal humerus in a preterm infant.

A premature twin infant presented with clinical signs of shoulder injury shortly after birth. He had been delivered by cesarean section due to malpresentation. Bony abnormality was not initially recognized on plain radiographs, but ultrasound revealed a Salter-Harris II fracture of the proximal humerus. Plain radiographs are limited in the premature newborn because of lack of calcification of the epiphysis. Ultrasound examination in these infants can be helpful in determining the true extent of skeletal injury. Immobilization and pain control are then indicated to optimize the outcome.

Diagnosis, Differential↗
PubMedDate not supplied

[MR-based 3D-analysis of the pathomechanics of traumatic and atraumatic shoulder instability].

AIM: Until now it is unknown to what extent malpositioning of the scapula is a relevant factor in shoulder instability that should be considered in therapy. The objective was to analyse 3D-scapular kinematics and humeral head (de-)centering in patients with atraumatic and/or traumatic shoulder instability and to investigate the correlation between the two factors. METHOD: The shoulders of 28 healthy volunteers and of 14 patients each with atraumatic or traumatic instability were examined in various arm positions - with and without muscle activity - using open MR imaging. After 3D reconstruction, analyses of scapular kinematics and glenohumeral translation were performed. RESULTS: In atraumatic unstable shoulders, the scapular position [30 degrees of abduction: scapulo-humeral rhythm: 3.5 +/- 2.6 : 1 vs. healthy 2.4 +/- 1.3 : 1; internal rotation: 59 +/- 9 degrees vs. healthy 49 +/- 3 degrees (p < 0.05)] and humeral head position was significantly decentered in both planes (p < 0.05). While the correlation between the two factors was high during passive elevation (r = 0.60-0.87), it was low during muscular activity (r = 0.25-0.62). In patients with traumatic instability no alterations of the scapula kinematics were observed. Significant humeral head decentering (p < 0.05) occurred only during abduction and external rotation. CONCLUSIONS: Patients with atraumatic instability demonstrated significant alterations of scapular kinematics and decentering of the humeral head. In traumatic instability a decentering occurred only in specific arm positions with no changes in scapula position. Because of the high correlation between the two factors, physiotherapeutic strategies for the scapula-stabilising muscles should be adapted to the direction of instability.

Adolescent↗
PubMed2005

Magnetic resonance imaging of glenohumeral joint instability.

Shoulder instability is common, especially anterior subluxation and dislocation. The sequelae are well seen on magnetic resonance imaging and include tears of the labrum, glenohumeral ligaments, capsule, tendons, and muscles. This article seeks to discuss and illustrate common pitfalls and lesions associated with instability. Anatomic and technical considerations, including the use of magnetic resonance arthrography, are also addressed.

Arthrography↗
PubMed1992

[The value of MR tomography in acute shoulder dislocations].

24 patients up to two weeks after primary traumatic shoulder dislocation were examined at 0.5 and 1.5 T. Surgical and/or arthroscopic correlation was available in 13, CT-arthrographic correlation in 16 patients. A joint effusion allowing sufficient evaluation of the capsulolabral complex was present in 21/24 (87.5%) cases. 11/14 patients with combined dislocated detachments of the glenoid labrum and capsular lesions were subsequently operated upon. Marrow edema of the humeral head was found in 16/19 Hill-Sachs lesions and in 4/5 fractures of the greater tuberosity. Two patients presented with a lesion of the long biceps tendon associated with rotator cuff tears and were also subsequently operated upon. MRI performed shortly after primary traumatic shoulder dislocation allows a comprehensive evaluation of the intraarticular lesions and decisively influences further therapy.

Adolescent↗
PubMedDate not supplied

[Demonstration of subchondral density pattern using CT-osteoabsorptiometry (CT-OAM) for the assessment of individual joint stress in live patients].

The researches of Pauwels and those following him have demonstrated that the subchondral bone density distribution below the surface of a joint is a metrical parameter which mirrors the predominant stress acting on that joint. Their technique of x-ray densitometry cannot, however, be used during life. By employing computer tomography, a new method has been developed--CT-osteoabsorptiometry (CT-OAM)--which can be used to obtain the density distribution pattern in the living subject. By means of a comparative investigation on specimens which were examined both with traditional x-ray densitometry and with CT absorptiometry, it has been shown that the new method can produce the same results, but providing the great advantage to be used on the living. In addition, the density distribution pattern of the glenoid cavity has been examined in patients with various shoulder conditions, and also in gymnasts who exercise on the rings. The distribution of subchondral bone density showed different patterns in the different groups examined. Both the comparison of the methods and the subsequent study confirmed that CT osteoabsorptiometry enables assessment to be made of the individual long-term stresses acting on a living joint.

Absorptiometry, Photon↗
PubMedDate not supplied

[Osteochondromatosis in shoulder joint arthrosis--a case report].

We report on a 59 year old patient with repetitive shoulder trauma due to numerous grand mal convulsions and consequent severe osteoarthritis of the shoulder joint with formation of multiple loose bodies. We discuss the aetiology of the loose bodies as being different to those found in synovial chondromatosis, as well as the radiological, histological, clinical and therapeutical features of this entity.

Humans↗
PubMedDate not supplied

[Structural findings of the coraco-acromial ligament in rotator cuff rupture, tendinosis calcarea and supraspinatus syndrome].

Coracoacromial ligaments from 133 operation specimens were examined histomorphologically near their acromial attachments. 85% showed signs of moderate to severe degeneration, 67% to 85% chondroid metaplasia near the origin. No significant differences were found between specimens brought to operation for the three diseases mentioned. It is therefore concluded that an intermittent local pressure on the origin of the ligament is present in these diseases, and this can lead to chondroid changes near its acromial attachment.

Acromion↗
PubMedDate not supplied

[Arthroscopic resection of the shoulder joint (Mumford operation)].

Based on results of anatomical studies, we established an arthroscopic procedure to resect all degenerative changes within the joint without endangering the stabilizing structures. Since November 1989 we operated on 26 patients with this technique. There were no major complications. The mean score significantly increased from 64.9 (+/- 12.8) to 86.8 (+/- 11.5). Analysis of postoperative x rays revealed an average length of resection of 21.3 mm at the inferior border of the clavicle, of 15.4 mm in the middle, and of 10.2 mm at the superior border of the clavicle. 21 out of 26 patients were completely satisfied and would undergo the same procedure again. In two of the five unsatisfied patients the resected length of the clavicle was insufficient and these patients required open surgery for resection of the remaining bone. Our first experiences are encouraging. The surgical technique is standardized and reproducible. The short time results score not worse compared to the open conventional technique. With the 2 to 4 year long term follow up we have to prove, whether maintaining the passive stabilizers of the joint improves the long term results better than the open technique.

Adult↗