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The clinical spectrum of severe septic bursitis in northwestern Spain: a 10 year study.

OBJECTIVE: To assess the clinical and microbiological characteristics of septic bursitis in those cases that required treatment at the hospital during the past 10 years in a northwestern area of Spain. METHODS: The charts of all patients diagnosed as having septic bursitis at Hospital Xeral-Calde, Lugo, Spain, from October 1987 through September 1997 were reviewed based on published criteria and graded according to severity. RESULTS: Sixty-nine patients diagnosed with definite and 6 with probable septic bursitis met the criteria for severe septic bursitis. Sixty-two were male (82.7%). The mean age at the time of diagnosis was 51 years. The most frequently involved sites were olecranon (47%) and prepatellar (44%) bursae. Among predisposing factors, the presence of prepatellar bursitis was correlated with a job that involved frequent trauma on the bursae. The main clinical and laboratory findings were cellulitis and/or erythema (94.7%), fever (77.3%), and leukocytosis (72%). Noninflammatory synovial fluid (SF, < 2,000 leukocytes/mm3) was observed in 4/32 (12.5%) cases. Positive SF cultures were obtained in 69 of 75 patients (92%). Staphylococcus aureus was the most common pathogen (84%). Blood cultures were positive in 12 of 62 patients (19.4%). Three patients had osteomyelitis. This complication was associated with a longer delay to diagnosis from the onset of symptoms (> 3 weeks vs 9.3+/-13.3 days for the group as a whole). Apart from these 3 cases, overall outcome was excellent. CONCLUSION: Severe septic bursitis is a common disease. Local trauma is the most common risk factor for this infection. Although the most common pathogen is S. aureus, other pathogens such as Brucella abortus play an important role in this infection in our area.

Adolescent↗

Hemorrhagic subcutaneous bursitis.

Hemarthrosis is a well recognized complication of a number of conditions. Hemorrhagic subcutaneous bursitis is less understood. We encountered a patient with a myeloproliferative disease who developed hemorrhagic olecranon bursitis. Upon reviewing other patients with subcutaneous bursitis, we found that hemorrhagic bursitis also occurs in the setting of traumatic or idiopathic bursitis, rheumatoid arthritis, gout, and septic bursitis.

Bursitis↗

Ultrasound detection of plantar bursitis of the forefoot in patients with early rheumatoid arthritis.

OBJECTIVE: To study the plantar forefoot of patients with early rheumatoid arthritis (RA) by ultrasound to detect bursitis and to correlate sonographic findings with symptoms and clinical observations. METHODS: Clinical examination, dorsoplantar radiographs, and transverse sonographic scans of the plantar region of the forefoot were performed on 30 healthy persons as well as 25 patients with early RA and forefoot symptoms. RESULTS: In 8 patients the examiner could clinically suspect plantar bursitis. Ultrasound revealed 22 incidents of plantar bursitis in 14 of the 25 patients. Except for bursitis in the forefoot no inflammatory findings were detected by ultrasound in 6 patients. CONCLUSION: Not only metatarsophalangeal arthritis or flexor tenosynovitis but also plantar bursitis can promote symptoms of the forefoot. Ultrasound is a more objective procedure than clinical examination in diagnosing plantar bursitis. This finding has diagnostic and therapeutic implications.

Adolescent↗

MR imaging after rotator cuff repair: full-thickness defects and bursitis-like subacromial abnormalities in asymptomatic subjects.

OBJECTIVE: To determine the prevalence and extent of residual defects or retears and bursitis-like subacromial abnormalities on MR images after rotator cuff repair in asymptomatic subjects, and to define the clinical relevance of these findings. DESIGN AND PATIENTS: Fourteen completely asymptomatic patients and 32 patients with residual symptoms were investigated 27-53 months (mean 39 months) after open transosseous reinsertion of the rotator cuff. Coronal T2-weighted turbo spin-echo and turbo STIR or T2-weighted fat-suppressed MR images were obtained. The prevalence and extent of residual defects or retears of the rotator cuff and bursitis-like subacromial abnormalities were determined. RESULTS: Residual defects or retears were detected in three (21%) and bursitis-like abnormalities in 14 (100%) of the 14 asymptomatic patients. Fifteen (47%) residual defects or retears and 31 (97%) bursitis-like abnormalities were diagnosed in the 32 patients with residual symptoms. The size of the residual defects/retears was significantly smaller in the asymptomatic group (mean 8 mm, range 6-11 mm) than in the symptomatic group (mean 32 mm, range 7-50 mm) (t-test, P = 0.001). The extent of the bursitis-like subacromial abnormalities did not significantly differ (t-test, P > 0.05) between asymptomatic (mean 28 x 3 mm) and symptomatic patients (mean 32 x 3 mm). CONCLUSION: Small residual defects or retears (< 1 cm) of the rotator cuff are not necessarily associated with clinical symptoms. Subacromial bursitis-like MR abnormalities are almost always seen after rotator cuff repair even in patients without residual complaints. They may persist for several years after rotator cuff repair and appear to be clinically irrelevant.

Adult↗

Adventitious bursitis of the hock in finishing pigs: prevalence, distribution and association with floor type and foot lesions.

The prevalence, severity and distribution of adventitious bursitis were estimated in 3989 finishing pigs from 21 units in south-west England. The overall prevalence of adventitious bursitis was 51.0 per cent and ranged from 10.1 to 84.0 per cent in the different units. Bursae were found on four different aspects of the hock: lateroplantar, plantar, medial and point of the hock (capped hock). The median severity of the bursae at all the different sites was mild (score 1). There was a large variation in the prevalence of different bursal lesions. Lateroplantar bursae (41.8 per cent) were the most prevalent followed by plantar (12.0 per cent), medial (4.8 per cent) and capped hock (3.7 per cent). There was a significant trend in the prevalence of bursitis with floor type; pigs kept on solid concrete floors with deep straw (> 10 cm) had the lowest risk of having bursitis, and the prevalence increased successively when the floors were solid concrete with sparse straw (< 10 cm), semi-slatted and fully slatted. There was a significant association between the presence of bursitis and foot lesions.

Animal Husbandry↗

Acute pes anserine bursitis: MR imaging.

PURPOSE: To determine the magnetic resonance (MR) imaging appearance of acute pes anserine bursitis. MATERIALS AND METHODS: Four patients (aged 40-50 years) with presumed internal derangements of the knee underwent MR imaging; at that time, collections of fluid were found in the pes anserine bursa, but no other abnormalities were noted. RESULTS: Pes anserine bursitis was clinically diagnosed in all four patients when MR findings and physical examination findings were correlated. CONCLUSION: Pes anserine bursitis has a characteristic MR appearance of fluid beneath the tendons of the pes anserinus at the medical aspect of the tibia near the joint line. Pes anserine bursitis can clinically mimic an internal derangement of the knee, which can result in the performance of unnecessary arthroscopy. MR imaging can be useful in diagnosing pes anserine bursitis and obviating surgery.

Acute Disease↗

Tuberculous tenosynovitis and bursitis: imaging findings in 21 cases.

PURPOSE: To describe imaging features of tuberculous tenosynovitis and bursitis with various imaging methods. MATERIALS AND METHODS: Twenty-one patients with surgically and/or pathologically proved tuberculosis of the tendon sheaths or bursae were evaluated. Routine radiography, arthrography, computed tomography (CT), and magnetic resonance (MR) imaging were used in some or all of the patients. RESULTS: Twelve patients had tuberculous tenosynovitis, and nine had bursitis. Tuberculous tenosynovitis most commonly involved the tendon sheaths of the hand and wrist, whereas bursitis occurred most frequently about the hip, especially in the trochanteric bursa. All cases of tuberculous tenosynovitis or bursitis showed soft-tissue swelling on plain radiographs, with calcification demonstrated in three of nine (33%) cases. CT and MR imaging allowed evaluation of all forms of tuberculous tenosynovitis (hygromatous, serofibrinous, and fungoid forms), whereas tuberculous bursitis exhibited two patterns of involvement: either a distended bursa or multiple small abscesses. Contrast material-enhanced radiography (i.e., arthrography) helped delineate communication between the affected structures. CONCLUSION: All imaging methods can provide complementary information that is helpful for determination of therapy. MR imaging seems to be superior in evaluating the extent of the lesion, particularly in soft tissue.

Adolescent↗

MRI characteristics of olecranon bursitis.

OBJECTIVE: Our aim was to describe the MRI characteristics of septic and nonseptic olecranon bursitis. MATERIALS AND METHODS: MRI contrast-enhanced examinations (n = 19) of 35 patients with olecranon bursitis (septic, n = 14; nonseptic, n = 21) were jointly reviewed by two musculoskeletal radiologists. We evaluated bursa size, extent of marginal lobulation, septation, concomitant elbow joint effusion, soft-tissue edema, rim enhancement, soft-tissue enhancement, degree of fluid complexity, definition of bursa margins, presence of edema, thickening of the triceps tendon, and bone marrow edema. RESULTS: Comparison of septic and nonseptic bursitis yielded the following results: marginal lobulation, 79% (11/14) versus 48% (10/21), p = 0.14; bursa septation, 64% (9/14) versus 57% (12/21), p = 1.0; moderate or marked complexity of bursa fluid, 64% (9/14) versus 29% (6/21), p = 0.15; poorly defined margins, 64% (9/14) versus 67% (14/21), p = 1.0; elbow joint effusion, 86% (12/14) versus 52% (11/21), p = 0.12; moderate to marked soft-tissue edema, 64% (9/14) versus 33% (7/21), p = 0.1; edema of the triceps, 57% (8/14) versus 48% (10/21), p = 0.73; thickening of the triceps, 43% (6/14) versus 14% (3/21), p = 0.21; bone marrow edema, 29% (4/14) versus 5% (1/21), p = 0.13; rim enhancement, 100% (11/11) versus 75% (6/8), p = 0.31; soft-tissue enhancement, 100% (11/11) versus 63% (5/8), p = 0.1. CONCLUSION: Septic and nonseptic olecranon bursitis present with a considerable overlap of MRI findings without statistically significant differences. Septic olecranon bursitis can be excluded in the absence of bursal and soft-tissue enhancement.

Bursa, Synovial↗

Septic bursitis in the prepatellar and olecranon bursae: an analysis of 25 cases.

Five cases of septic prepatellar and 20 cases of septic olecranon bursitis are reported. All were men, with a mean age of 47 years. Seventeen had a history of recent trauma to the affected limb or sustained pressure on knees or elbows, or both, required by certain occupations. Septic bursitis was not associated with septic arthritis and could be easily distinguished from it by the characteristic bursal swelling and joint examination. Septic bursitis was misdiagnosed as nonseptic bursitis in eight cases despite characterstic bursal fluid leukocytosis (greater than 1000 cells/mm3) and recovery of bacteria on culture. Staphylococcus aureus was identified in 22 cases; 76% were resistant to penicillin. Intravenous antibiotics and bursal fluid drainage were uniformly succesful. Oral antibiotic ttherapy was also successful unless the infection was extensive or there was underlying bursal disease. Early recognition, prompt therapy, and preventive measures are necessary to reduce the morbidity of septic bursitis.

Adolescent↗

Anserine bursitis and non-insulin dependent diabetes mellitus.

OBJECTIVE: To determine the relationship between non-insulin dependent diabetes mellitus (NIDDM), knee pain, and anserine bursitis, and its relation to sex, age, or body mass index (BMI). METHODS: Ninety-four consecutive patients with NIDDM, 66 women and 28 men, and 57 nondiabetic patients, 36 women and 22 men, were examined at an outpatient clinic of a tertiary care hospital. Date of onset in patients with NIDDM was noted, and serum was analyzed for either hemoglobin A1C (HbA1C) or glycosylated hemoglobin (GHb) in 69 of these patients. Anserine bursitis was diagnosed if knee pain and tenderness at the bursal site were found on examination. RESULTS: On examination 34 (36%) patients with NIDDM were found to have anserine bursitis. Of these, 31 (91%) were women and 3 (9%) were men (p < 0.05). Age, BMI, duration of diabetes, HbA1C or GHb, and age of onset of diabetes were found not to differ significantly between patients with and those without anserine bursitis. CONCLUSION: A relationship exists between NIDDM, knee pain, and anserine bursitis unrelated to age, BMI, duration and control of diabetes, and age at the diagnosis of diabetes.

Adult↗

[Post-traumatic bursitis--histological expert assessment and insurance medicine aspects].

Concerning insurance medical reports on posttraumatic bursitis the histological findings hold an important position. 20 operation preparations of bursae with a known trauma have been studied. Thereby criterion for the histological characterization of posttraumatic bursitis have been set up and furthermore the findings have been correlated with the posttraumatic time interval. Sector-like fiber necrosis, defects of the top-cell layer, new erythrocyte extravasations, beginning inflammatory reactions and ensilages of foreign bodies in the histological preparation confirm the results of the medical opinion in the acute stage until 24 hours after the trauma occurred. The traumatic genesis of bursa alternations can be verified up to two weeks after the trauma through defects of the top-cell layer, fiber necrosis in all layers of the bursa wall, and erythrocyte extravasations. Preparations of which the trauma is dated back more than two weeks can be classified as posttraumatic bursitis because of their numerous chronifying processes only by their fiber continuity or by their granulation zone which reaches to the synovial surface. Four weeks after a suitable trauma it becomes more difficult to differentiate definite posttraumatic bursa findings from the morphological presentation of the so-called chronic-unspecified polyetiological bursitis. In the late posttraumatic stage the pathologic-anatomical differential diagnosis is only possible with considerable reservations. The clinical data on the course of disease gain particular importance for the insurance medical judgement in such late medical reports.

Accidents, Occupational↗

Pes anserine bursitis: incidence in symptomatic knees and clinical presentation.

OBJECTIVE: To determine the prevalence and associated clinical symptoms of pes anserine bursitis in symptomatic adult knees. MATERIALS AND METHODS: A retrospective review was performed of the reports of 509 knee MRI studies obtained from July 1998 to June 2004 on 488 patients presenting to an orthopaedic clinic with knee pain suspected to be due to internal derangement. The MRI studies and case histories of all patients reported to have pes anserine bursitis were reviewed. The management of these patients was also noted. RESULTS AND CONCLUSIONS: The prevalence of pes anserine bursitis as detected on MRI is 2.5%. The commonest clinical presentation was pain along the medial joint line mimicking a medial meniscal tear. We suggest that an accurate diagnosis of pes anserine bursitis on MRI will help prevent unnecessary arthroscopy and possibly initiate early treatment of the condition. Axial imaging is important in these cases to differentiate the bursa from other medial fluid collections.

Adult↗

The US,CT and MR findings of cubital bursitis: a report of five cases.

OBJECTIVE: The purpose of the study was to evaluate the appearance of "cubital bursitis" on ultrasonography and CT and MR imaging. "Cubital bursitis" is a rare pathological condition involving a large swelling of the bicipito-radial or interosseous bursae located at the insertion of the distal biceps tendon on the radial tuberosity. DESIGN AND PATIENTS: We report on five patients with "cubital bursitis" resulting from their work or sporting activities. All patients underwent an ultrasound and MR examination. CT scans were performed on two patients before and after contrast enhancement. RESULTS: Ultrasound studies showed a fusiform anechoic or hypoechoic lesion. CT images showed the lesions but there were some difficulties in determining the exact extent of the bursae. MR imaging showed the enlarged bursae and their fluid content. Four patients each underwent a surgical procedure. CONCLUSION: Ultrasound and CT were effective in the evaluation of "cubital bursitis", but with some diagnostic difficulties. MR imaging is probably the method of choice for determining both the development of the bursae and their fluid content.

Adolescent↗

Septic bursitis in immunocompromised patients.

A retrospective analysis of 29 patients with septic bursitis was undertaken to ascertain if immunocompromised patients differed in their clinical presentations, type of organisms cultured, and outcome when compared with their non-immunocompromised cohorts. Thirty episodes of septic bursitis occurred in 29 patients, 43 percent of which occurred in immunocompromised patients. Despite similar clinical presentations, the bursae of immunocompromised patients took three times longer to sterilize and had a much higher bursal white blood cell count when compared with the bursae of non-immunocompromised patients. The bacteriologic spectrum was essentially identical in both groups; there were no cases in which gram-negative organisms were recovered from infected bursae. No cases of septic bursitis were seen in neutropenic patients. The most common factors contributing to an immunocompromised state were alcoholism or steroid therapy. A successful resolution of septic bursitis was seen in all the patients in the immunocompromised groups.

Adult↗

Septic subdeltoid bursitis.

Four cases of septic subdeltoid bursitis are described. Clinical presentations, microbiology, and therapies are reviewed for these cases as well as for the six previously reported cases in the literature. The etiology of septic subdeltoid bursitis was related to bacteremia, trauma, or immune incompetence. Compared with septic oelcranon and prepatellar bursitis, septic subdeltoid bursitis was associated with a more profound inflammatory reaction in the bursa, required more sophisticated diagnostic imaging, and necessitated more aggressive therapy. Appropriate therapy generally resulted in favorable outcomes.

Adult↗

Intractable malleolar bursitis treated with lateral calcaneal artery adipofascial flap.

Infections of the malleolar bursa, which is an adventitious bursa, rarely progress to intractable infectious bursitis. We present two cases of intractable malleolar bursitis. We performed successful transplantation of the lateral calcaneal artery adipofascial flap that resulted in healing of the bursitis. We discuss classification of bursae, treatments for bursitis and characteristics of the lateral calcaneal artery adipofascial flap.

Aged↗

Surgical treatment of aseptic olecranon bursitis.

Most cases of aseptic olecranon bursitis respond to conservative treatment, yet some will develop a chronic bursitis with sufficient symptoms to warrant surgery. Over a 10-year period 21 cases of aseptic olecranon bursitis were treated surgically at our institution. Surveillance was a minimum of 2 years and averaged 5.2 years. The procedure provided complete and long-term relief in only 40% (two of five) of patients with rheumatoid arthritis, whereas 94% (15 of 16) of the patients without rheumatoid arthritis did well (p = 0.028, Fisher's Exact test). No patients had deep infection or draining wounds. Properly performed surgical treatment of aseptic olecranon bursitis appears to offer long-lasting symptomatic relief to patients without rheumatoid arthritis.

Adolescent↗

[Endoscopic bursa shaving in acute bursitis].

OBJECTIVES: After resection of olecranon or prepatellar bursa for bursitis there can be long-term skin complications in up to 20%. We wanted to determine the outcome after endoscopic resection, a technique first described in 1990. METHODS: In a period of three years (6/97-7/00) 13 Patients with bursitis were prospectively enclosed in the study and underwent endoscopic resection of the bursa. All patients were examined clinically three weeks and six months postoperatively. RESULTS: In nine patients a resection of the Olecranon bursa was performed, in four patients of the pre-patellar bursa. 11 cases showed a septic bursitis, two a chronic. 50% of the operations were conducted in general anesthesia. We observed no intra- or postoperative complications. The follow-up examinations showed no pain, no recurrence and no loss of joint motion. CONCLUSION: It is our opinion that the endoscopic resection of the Olecranon and pre-patellar bursa for septic bursitis is a promising technique and shows favourable results compared to the open resection.

Acute Disease↗