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PubMed1999

[Fractures of the proximal humerus].

Proximal humeral fractures are common particularly in the elderly. The decision of the optimal treatment is dependent on many factors. On the one hand the biological age of the patient and the bone structure plays a key-role, on the other hand the living conditions and individual needs are of importance. Most fractures with minimal displacement respond satisfactorily to simple conservative treatment including short sling immobilisation and functional aftertreatment under supervision of the physiotherapist. Most recently there is a trend towards more aggressive surgical intervention with percutaneous insertion of cannulated screws also in the slightly displaced fracture situation. This protocol allows for earlier functional and less painful aftertreatment, less risk of displacement of the fracture fragments and better outcome. In severely unstable fractures with marked displacement of the fragments an operative stabilisation is advocated by most surgeons. Again there is a trend from plating towards cannulated screw fixation combined with tension absorbing (resorbable) sutures. In special cases which are described in detail a minimal invasive percutaneous screw technique with less stripping of bone and therefore preservation of the crucial blood supply of the humeral head is recommended. Instead of percutaneous pinning using K-wires only, cannulated screws are inserted today. Plating of proximal humerus joint fractures is the exception in our days, only the subcapital unstable fracture of the elderly would be an indication. LC-condylar plating seems to yield better stability than the conventional T-plate-system. In the most severe fractures of the proximal humerus (4-segment-fractures and dislocation fractures according to Neer, respectively C-2- and C-3-fractures according to the AO-classification) there is still controversy on the best management. Most authors prefer hemiarthroplasty in this situation whereas the other group of orthopaedic surgeons try open reduction and internal fixation particularly in the younger individuals. This stabilisation provides the orthopaedic surgeons with a formidable challenge and requires a lot of experience in this field. Also the understanding of the fracture morphology is needed for optimal results. In spite of good stabilisation techniques often partial or total humeral head necrosis occurs in the most severe fractures. Surprisingly enough results with reasonable function can be obtained even with partial avascular necrosis of the humeral head. A crucial part of the management is team work with the physiotherapist and an individual program for each fracture situation, depending on the stability of the fixation. Close contact between these two professions is of utmost importance. Finally it can be stated that the management of proximal humeral fractures is fairly standardised but it is always dependent on the experience and resources of the attending surgeon and must be tailored to the individual needs of the patient.

Humans↗
PubMedDate not supplied

Understanding proximal humerus fractures: image analysis, classification, and treatment.

Proximal humerus fractures are difficult to define because of their extreme variability and potential for complexity. We designed a study to evaluate further why this is true. Radiographs of 113 proximal humeral fractures were assessed by 3 knowledgeable observers. The observers were asked to answer independently 9 questions about the fracture, to classify the fracture according to the Neer classification, and to recommend treatment. Two months later, a learning session was held to discuss discrepancies among the observers and to develop learning points to improve analysis of the images. Two months later, the radiographs were reassessed. Developing 10 learning points enhanced the ability to interpret images at the second review and provide more consistent fracture classification with statistically significant improvements. The problem is understanding the images of complex fractures-not the classification system. To enhance consistency in understanding these fractures, imaging of complex fractures must be enhanced.

Adult↗
PubMed2006

Vascular implications of minimally invasive plating of proximal humerus fractures.

OBJECTIVES: Open reduction and internal fixation of proximal humerus fractures through the anterolateral acromial approach, which uses the anterior deltoid raphe and axillary nerve protection, has recently been advocated as a minimally invasive technique. Several recent reports have indicated variable and unpredictable vascular injuries to the humeral-head blood supply after a proximal humerus fracture, and thus a direct approach that minimizes further vascular compromise may be preferable. The purpose of this study was to define the relationship of this surgical interval to the lateral plating zone of the proximal humerus and to the penetrating vascular supply of the humeral head. DESIGN: Cadaveric vascular injection study. SETTING: Cadaveric dissection laboratory. PATIENTS: Six cadaveric specimens. INTERVENTION: The anterolateral acromial approach was performed on six cadaveric upper-extremity specimens. A locking proximal humerus plate was applied to the lateral proximal humerus, and the axillary artery was cannulated proximal to the circumflex humeral arteries. Dyed latex polymer was injected and allowed to harden, and dissection was performed to visualize the vasculature of the proximal humerus. Plates were then removed and the specimens were further inspected to examine the blood supply. MAIN OUTCOME MEASUREMENTS: The relationship of the anterolateral acromial approach to the lateral plating zone of the proximal humerus and the vascular supply of the humeral head. RESULTS: In all specimens, the filling of the anterior and posterior vessels that supplied the humeral head were undisturbed after use of the anterolateral acromial approach and locked plating. The blood vessels to the head-penetrating vascular branches were not in the surgical field. A bare spot on the lateral proximal humerus existed in the region of the greater tuberosity, which was 30 mm wide and between two penetrating humeral-head epiphyseal vessels. The nearest penetrating vessels were close to the plate, 4 mm anterior and 7 mm posterior. The anterior humeral circumflex vessel and its ascending branch, which provides critical blood supply to the humeral head, coursed directly in the region of the deltopectoral approach. CONCLUSIONS: Minimally invasive techniques have many potential benefits for fracture healing, but new surgical approaches often must be used to take full advantage of these newer methods. Splitting the anterior deltoid raphe from the acromion distally allowed direct access to the lateral plating zone of the proximal humerus. The bare spot in this region may be a safe area for plate application, if the plate is placed appropriately with thorough knowledge of the vascular anatomy. These findings may be of particular importance if the vascular supply to the humeral head has already been partially compromised by preceding trauma. This direct approach to the lateral bare spot on the proximal humerus may minimize iatrogenic vascular injury when treating these fractures.

Aged↗
PubMed1992

The value of ultrasound in the assessment of bone.

The impenetrability of bone to ultrasound can be turned to advantage and the effects of bony lesions on the adjacent soft tissues can be analysed. Fractures, bone destruction, inflammation, distraction of bone and new bone formation can be diagnosed.

Bone Diseases↗
PubMed1999

Desmoid fibromatosis of the shoulder and of the upper chest wall following a clavicular fracture.

A desmoid tumor of the shoulder girdle infiltrating the upper chest wall and weighing 1500 g was almost completely removed in an 18-year-old man, 27 months after a bifocal fracture of the clavicule. Thirteen years later, the patient was free of recurrence. The interval time between trauma and diagnosis, as the particular characteristics of aggressive fibromatosis, strongly support a major causal role of the clavicular fracture in the occurrence of this tumor.

Accidents, Traffic↗
PubMed1986

Fractures of the proximal humeral epiphysis. Their influence on humeral growth.

We have reviewed the notes and radiographs of 57 patients with fractures of the proximal humeral epiphysis and examined 30 of them at 2 to 8 years after injury. Regardless of treatment the maximum shortening of the humerus was 2 cm and residual varus angulation was insignificant. Manipulation of a displaced, fresh fracture did not improve the final outcome with respect to humeral growth or function; and open reduction is very rarely indicated.

Adolescent↗
PubMed1998

Tossed on the horn of humerus: a legal case report.

Radiological cases constituted 2% of the total number of legal cases in Sweden during 1996. The young man in this report accused a radiologist of having missed a fracture 7 years earlier based on a new radiology examination and report. In reality the latter report was incorrect and the patient had a rare exostosis that explained the clinical signs and symptoms. The alleged fracture was an epiphyseal line to a non-unified ossification centre at the tip of the unique exostosis.

Adolescent↗
PubMed1992

Displaced proximal humeral fractures: results of conservative treatment.

The results of 42 patients with displaced proximal humeral fractures treated by conservative means were reviewed. The system advocated by Neer was used to classify the fractures. Of the patients, 16 had two-fragment fractures, 17 three-fragment fractures and 9 four-fragment fractures. In 21 patients, fractures were treated with a sling for 1 week, and in 21 with a hanging cast for 1 week. All patients received physiotherapy after immobilization. Follow-up evaluation included clinical and radiographic examination at a median of 2 years after the trauma. The results were assessed using Neer's protocol. The patients were asked to assess the results. The patients assessed the results better than the Neer score (P less than 0.001). The patients with two-fragment fractures assessed the results as excellent or satisfactory and better than the three- and four-fragment ones (P less than 0.01). The patient response to non-operative treatment was satisfactory. It is concluded that the Neer classification of the results underestimates the degree of satisfaction achieved by the patients. It is concluded that displaced proximal humeral fractures can be treated satisfactorily by non-operative methods.

Adult↗
PubMed2000

Osteoporotic fractures of the proximal humerus in elderly Finnish persons: sharp increase in 1970-1998 and alarming projections for the new millennium.

We determined the current trends in the number and incidence of osteoporotic fractures of the proximal humerus in Finland by collecting from the National Hospital Discharge Register all patients 60 years of age or more who were admitted to Finnish hospitals in 1970-1998 for primary treatment of such fractures. The fracture was defined osteoporotic if it was caused by a low-energy trauma only, i.e., a fall from standing height or less. The number and incidence (per 10(5) persons) of fractures increased sharply from 208 (number) and 32 (incidence) in 1970 to 1,105 and 110 in 1998. Even after the age-adjustment, the incidence of fractures showed a clear increase: in women from 50 in 1970 to 133 in 1998, and in men from 14 in 1970 to 49 in 1998. If this trend continues, there will be three times more osteoporotic fractures of the proximal humerus in Finland in the year 2030 than there were in 1998.

Aged↗
PubMed2004

The influence of an insulin-like growth factor I gene promoter polymorphism on hip bone geometry and the risk of nonvertebral fracture in the elderly: the Rotterdam Study.

UNLABELLED: The absence of the wildtype allele of a promoter polymorphism of the IGF-I gene is associated with increased risk (1.5; 95% CI, 1.1-2.0) of fragility fracture in women (n = 4212) but not in men (n = 2799). An approximation of hip bone geometry (from DXA) suggested the polymorphism is associated with bone strength and stability in gender-specific ways. INTRODUCTION: Previously, we found a CA-repeat promoter polymorphism in the insulin-like growth factor I (IGF-I) gene associated with IGF-I levels and BMD in postmenopausal women, but the relationship with fractures is unclear. In this large population-based study of elderly men and women, we examined the association between this IGF-I promoter polymorphism with parameters of bone geometry and the occurrence of fractures. MATERIAL AND METHODS: Within the Rotterdam Study, a prospective population-based cohort, the IGF-I polymorphism was analyzed in relation to incident nonvertebral fractures in 2799 men and 4212 women followed on average for 8.6 years. Furthermore, we estimated structural parameters of hip bone geometry indirectly from DXA outputs of the femoral neck in 2372 men and 3114 women. We studied neck width, cortical thickness, and the cortical buckling ratio and the section modulus as indexes of bone stability and bending strength. RESULTS: Women heterozygotes and noncarriers of the allele had, respectively, 1.2 (95% CI, 1.0-1.5) and 1.5 (95% CI, 1.1-2.0) increased risk of having a fragility fracture at older age compared with homozygotes for the 192-bp allele (p trend = 0.0007). In men, fracture risk was not influenced by the polymorphism. Compared with homozygotes for the 192-bp allele, noncarrier males had approximately 1% narrower femoral necks and 2.2% lower section moduli (p trend < 0.05). Noncarrier females had 1.7% thinner cortices and 1.6% higher buckling ratios (p trend < 0.05) but no significant differences in femoral neck widths and section moduli. In women with low body mass index, genotype differences in bone strength (section modulus) and fracture risk were accentuated (p interaction = 0.05). The genotype-dependent differences in hip bone geometry did not fully explain the genotype-dependent differences in fracture risk. CONCLUSIONS: The CA-repeat promoter polymorphism in the IGF-I gene is associated with the risk for fragility fracture at old age in women and with bone structure in both genders.

Aged↗
PubMed1993

[Experience with the endoprosthesis in comminuted fractures of the humeral head].

Surgical treatment is difficult in elderly patients who have suffered a comminuted fracture of the head of the humerus, often associated with dislocation. We performed follow-up examinations in our hospital in 11 patients after implantation of 12 endoprostheses since July 1990. Very good results were confirmed in respect of regained freedom of movement and overall high personal satisfaction on the part of the patients. Endoprosthesis appears to us as the treatment of choice in complex fractures of the head of the humerus in patients of advanced age.

Aged↗
PubMed1999

Emergency department evaluation and treatment of the shoulder and humerus.

The shoulder girdle is a versatile anatomic structure with a wide range of mobility and function. Its soft tissue and skeletal components are subject to a variety of injuries spanning from overuse syndromes to acute trauma. This article reviews the key historical and physical examination techniques of the shoulder, and special attention is paid to proper imaging in the emergency department, which aids in the diagnosis of specific disorders. This article also reviews the various therapeutic options, including surgery.

Bursitis↗
PubMed2001

The epidemiology of proximal humeral fractures.

We present a 5-year prospective study of the epidemiology of 1,027 proximal humeral fractures. These fractures, which tend to occur in fit elderly persons, have a unipolar age distribution and the highest age-specific incidence occurs in women between 80 and 89 years of age. The commonest was the B1.1 impacted valgus fracture, found in one-fifth of the cases in this series, a type that is not included in the Neer classification. We used both Neer and AO classifications. The AO classification proved to be more comprehensive because in the Neer classification, half of the fractures are minimally displaced and almost nine-tenths fall into only three categories. In the AO classification, the B1.1, A2.2, A3.2 and A1.2 sub-groups comprise over half of all proximal humeral fractures, while the AO type C fractures occur in only 6%. We suggest that the literature does not adequately reflect the spectrum of proximal humeral fractures.

Activities of Daily Living↗
PubMed2004

Outcome after primary hemiarthroplasty for fracture of the head of the humerus. A retrospective multicentre study of 167 patients.

We have examined 167 patients who had a hemiarthroplasty for three- and four-part fractures and fracture-dislocations of the head of the humerus in a multicentre study involving 12 Austrian hospitals. All patients were followed for more than a year. Anatomical healing of the tuberosity significantly influenced the outcome as measured by the Constant score and subjective patient satisfaction. With regard to pain, the outcome was generally satisfactory but only 41.9% of patients were able to flex the shoulder above 90 degrees. The age of the patient and the type of prosthesis significantly influenced the healing of the tuberosity, but bone grafting did not. Achievement of healing of the tuberosity was inferior in institutions at which less than 15 hemiarthroplasties had been performed (Mann-Witney U test, p = 0.0001).

Adolescent↗
PubMed1993

Mycobacterium fortuitum osteomyelitis following trauma.

Consequent to a high-speed motor-vehicle accident, a patient developed Mycobacterium fortuitum osteomyelitis of an open fracture of his proximal humerus. The patient was treated with a single debridement, oral ciprofloxacin, and hyperbaric oxygen and is free of disease at 2 years.

Accidents, Traffic↗