Total Shoulder Arthroplasty as Definitive Treatment for Severe Shoulder Osteoarthritis in Older Adults

Conservative Pharmacologic Management

Structured Exercise Program

Adjunctive Non‑Pharmacologic Measures

Safety Monitoring During Conservative Therapy

Surgical Referral Criteria

Surgical Procedure Selection

Surgical Options Not Recommended

Common Pitfalls to Avoid

Management of Shoulder Osteoarthritis

Pharmacologic Interventions

• The American Geriatrics Society recommends a multimodal treatment strategy combining structured exercise therapy, pain management with acetaminophen as first-line medication, and consideration for imaging-guided interventions or surgical referral given the severity of symptoms affecting sleep and overhead function 5, 6
• Acetaminophen should be started at regular doses up to 3000-4000 mg daily, rather than "as needed" dosing, for better sustained pain control in chronic osteoarthritis 7
• Topical NSAIDs (diclofenac gel) should be applied to the shoulder before considering oral NSAIDs, as they provide localized relief with minimal systemic absorption and substantially lower risk of gastrointestinal, renal, and cardiovascular complications 7
• Oral NSAIDs or COX-2 inhibitors should only be prescribed if topical treatments fail, using the lowest effective dose for the shortest duration 6, 7
• A proton pump inhibitor should always be co-prescribed with any oral NSAID for gastroprotection, particularly critical in middle-aged and older patients 6, 7
• Opioid analgesics should be considered cautiously if previous treatments are insufficient for patients who cannot sleep due to pain 6
• Intra-articular corticosteroid injections may provide temporary relief for moderate to severe pain 6

Non-Pharmacologic Interventions

• The American Geriatrics Society recommends beginning with isometric strengthening exercises given the acute pain and functional limitation, as isometric contractions produce low articular pressures and are well tolerated by patients with painful joints 5, 8
• Isometric exercise should start at 30% of maximal voluntary contraction intensity and gradually increase to 75% as tolerated 8, 6
• Contractions should be held for no longer than 6 seconds 8, 6
• Exercise should begin with one contraction per muscle group, gradually increasing to 8-10 repetitions as pain allows 8, 6
• Transition to isotonic (dynamic) strengthening once acute pain subsides, as isotonic exercise closely corresponds to everyday activities like overhead reaching 5, 9
• Muscles should not be exercised to fatigue; resistance must remain submaximal 5, 8
• Warm-up phase should last 5-10 minutes of repetitive low-intensity range-of-motion exercises 5, 9, 8
• Training phase provides overload stimulus to increase joint range of motion and muscle strength 9, 8
• Cool-down phase should last 5 minutes of static stretching 9, 8
• Static stretching should be done daily when pain and stiffness are minimal, ideally prior to bedtime 5, 9
• Stretching should be preceded by a warm shower or superficial moist heat application 5, 9
• Terminal stretch position should be held for 10-30 seconds before slowly returning to resting length 5, 9
• Stretching should be modified to avoid pain when the joint is inflamed by decreasing range of motion or duration 5, 9
• Local heat or cold can be applied for temporary pain relief 6
• Manual therapy (manipulation and stretching) combined with supervised exercise may provide additional benefit 6
• Assistive devices should be assessed to help with activities of daily living, particularly overhead tasks 6

Safety Monitoring

• Joint pain lasting more than 1 hour after exercise indicates excessive activity and requires modification 5, 8
• Joint swelling after exercise signals overexertion 5, 8
• Intensity, volume, or type of exercise should be adjusted if these signs occur 5, 8
• Cardiovascular, gastrointestinal, and renal risk factors should be assessed before prescribing oral NSAIDs, especially in middle-aged and older patients 6, 7
• Never exceed 4000 mg daily of acetaminophen, and strongly consider 3000 mg limit in older adults to prevent hepatotoxicity 7, 10

Advanced Interventions

• Consider referral for surgical intervention only after offering core treatment options (exercise, pain management) 6
• Surgery is indicated when joint symptoms substantially impact quality of life despite conservative management 6
• This patient's inability to sleep and perform overhead activities may warrant surgical consideration if conservative measures fail over 3-6 months 6

Common Pitfalls to Avoid

• Do not prescribe oral NSAIDs without gastroprotection (proton pump inhibitor) 7
• Avoid prolonged high-dose NSAID use in older patients due to serious adverse event risks 7
• Do not use glucosamine or chondroitin products, as evidence does not support efficacy 6, 7
• Inflamed joints should only be isometrically strengthened with few repetitions; movements should not be resisted 5, 8