Repository of Research and Investigative Information

Repository of Research and Investigative Information

Hormozgan University of Medical Sciences

Efficacy of musculoskeletal injections given by primary care providers in the office

(2013) Efficacy of musculoskeletal injections given by primary care providers in the office. International Journal of General Medicine.

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Official URL: https://www.ncbi.nlm.nih.gov/pubmed/24072975

Abstract

Dear editor Patients commonly present to primary care physicians with musculoskeletal symptoms. Clinicians qualified in internal medicine must be knowledgeable about the diagnosis and management of musculoskeletal diseases, yet they often receive inadequate postgraduate training on this topic. The musculoskeletal problems most frequently encountered in our busy injection practice involve, in decreasing order, the knees, trochanteric bursae, and glenohumeral joints.1 However, patients usually present to a primary care physician and embark on treatment there, despite having the option of referral to a subspecialist fully trained in this procedure. A retrospective cohort study conducted in patients with musculoskeletal pain treated with corticosteroid injections by primary care providers compared quality of life, procedural benefit, and patient satisfaction before and after musculoskeletal injections in the office setting.2 This paper indicated that musculoskeletal corticosteroid injections were performed by a range of providers, including orthopedic surgeons, rheumatologists, psychiatrists, podiatrists, and primary care physicians (both family and internal medicine).2 The study included patients older than 18 years with bursitis of the knee, shoulder, or trochanteric sites treated by primary care practitioners in the office setting.2 Exclusion criteria were: palindromic rheumatoid arthritis, which may be confused with fibromyalgia, sudden onset of polyarthritis, or periarticular tissue, for which gold is the standard of care3 Patellofemoral pain syndrome, ie, peripatellar tendinitis or bursitis, plica syndromes, Sinding Larsen’s disease, Osgood Schlatter’s disease, neuromas, and other rarely occurring pathologies; it has been suggested that patients with a clinical presentation of anterior knee pain may have patellofemoral pain syndrome, and recent studies advocate a comprehensive treatment approach allowing for individualized treatment.4 Of note, there was no mention in this paper of shoulder pain treated with manual or manipulative therapy, which should have been a further exclusion criterion because, if misdiagnosed as adhesive capsulitis, manipulation may aggravate the condition, making interventional treatment necessary5 Another condition that should be mentioned is greater trochanteric pain syndrome, which is a regional syndrome characterized by pain and reproducible tenderness in the region of the greater trochanter, buttock, and/or lateral thigh, and may mimic the symptoms of lumbar nerve root compression. Despite these features being well described, the diagnosis of greater trochanteric pain syndrome is often missed, and documentation of its prevalence in specialist orthopedic practice is lacking. This condition, as reported by Tortolani et al,6 is often misdiagnosed by orthopedic surgeons, so it is unlikely that a primary care physician with limited training and no access to ultrasound facilities could diagnose the disease accurately and treat it appropriately. Treatment often requires a mixture of corticosteroid and analgesic injections and severe cases may require lumbar decompression. Mild to moderate cases often respond to injections if correctly diagnosed, but surgical intervention is usually required in the later stages.6 A study performed in University of Chicago reported that 67% of residents and faculty responded that articular pain should be treated by corticosteroid injection, but only 19% of them practiced this themselves. Eighty nine percent of primary care physicians referred the patients to sub-specialists mainly because of the pain associated with the procedure, and only 9.6% of these patients were referred to primary care physician.7 In a prospective study, 44 patients were randomly assigned to receive shoulder manipulation and arthroscopic arthrolysis (n = 23) or glenohumeral steroid injections (n = 21). Patients were followed up at 3, 6, and 12 weeks, then at 6 and 12 months using the Constant-Murley, American Shoulder and Elbow Surgeons, Shoulder Rating Scale of the University of California Los Angeles, and Simple Shoulder Test evaluation scales. Ranges of passive forward flexion, abduction, and internal and external rotation were also recorded. Both types of treatment were effective in improving the final range of motion; however, patients randomized to shoulder manipulation and arthroscopic arthrolysis accomplished their goal at 6 weeks whereas those randomized to glenohumeral steroid injections did not do so until 12 weeks, indicating that shoulder manipulation has a more rapid therapeutic effect than steroid injections.8 A further study was designed to evaluate whether a combination of shoulder exercises and ultrasound-guided injection into the bursa significantly improves the treatment outcome in adhesive bursitis. 9 Seventy patients were allocated to ultrasound-guided injection (n = 35) or to ultrasound-guided injection and a home exercise program for 1 month (n = 35). Pain and shoulder function were assessed before and at 1 and 3 months after treatment. No differences were found on functional assessment. The combination of ultrasound-guided injection and shoulder exercises in the treatment of subacromial adhesive bursitis was effective in achieving complete pain relief in the medium term, indicating that ultrasound-guided injection is effective, but few primary care physicians use ultrasound in their routine practice. Another issue is the common misconceptions about the causes of lateral hip pain and tenderness, which frequently lead to therapeutic strategies providing only temporary solutions rather than addressing the underlying pathology. Trochanteric bursitis is frequently implicated, but is seldom the primary cause of pain in chronic cases, so it is important to address hip rotator cuff tendinopathy and pelvic core instability. Treatment options include exercise, physical modalities, corticosteroid injections, extracorporeal shock wave therapy, and regenerative injection therapies, with surgery reserved for recalcitrant cases. By understanding the anatomy of the peritrochanteric structures and the pathologic processes most likely responsible for symptomatology and dysfunction, the physician will be better equipped to provide effective long-term solutions for this common problem.10 The reason for raising these issues is that primary care physicians often have limited training in use of intrabursal injections and few have access to ultrasound guidance. If they are going to perform such procedures, they should undergo intensive training and be required to have ultrasound facilities in the office so that the outcomes of treatment for bursitis in primary practice are the same as those achieved by subspecialists.

Item Type: Article
Keywords: Efficacy of musculoskeletal injections given by primary care providers in the office
Subjects: WY Nursing > WY 90-100.7 Referral. Nursing Care, Assessment and Audit
Divisions: Research Vice-Chancellor Department > Clinical Research Development Center of Shahid Mohammadi Hospital
Depositing User: مرکز توسعه تحقیقات بالینی بیمارستان شهید محمدی
URI: http://eprints.hums.ac.ir/id/eprint/3272

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