Andrew E. Kirsteins M.D. FAAPM&R (Sports and Neuromuscular Med) Cone Health Physical Medicine and Rehabilitation Purpose Review common causes of Hemiplegic Shoulder Pain (HSP)- Focus on Post stroke Diagnosis using PE and Imaging Studies Introduce Musculoskeletal Ultrasound (MSK US) as an aid to diagnosis of HSP Hands on demo Please check out Sept 2013 Am L PM&R Ozcakar et alUtility of MSK US in Rehab settings Shoulder Pain General Population Post Stroke Population 3rd most common MSK c/o in Occurs in up to 72% stroke primary MD office 2nd most common reason for referral to Ortho/Sports ~70% pain is from Rotator cuff disorders pts in the first year-Van Ouwenaller C, Laplace PM, Chantraine A. Painful shoulder in hemiplegia. Arch Phys Med Rehabil. 1986; 67: 23–26 Common reason for poor rehab outcome,QOL Several pain generators have been proposed, complex Post Stroke Shoulder Pain=HSP Overall prevalence 17% at 2wks, 20% at 1mo,23% at 6mo. Ratnasabaphthy et al 2003,Clinical Rehab Prevalence Rehab pop. 60% @ 4mo,35% @ 6mo Post Stroke Shoulder Pain Risk Factors Significant weakness L neglect Sensory deficits Advanced age Spasticity Hemiplegic shoulder pain etiology Nociceptive Neuropathic Subluxation theory RSD Subacromial Impingement Brachial plexopathy Bicipital tendon Central Post stroke Pain Spasticity related Adhesive capsulitis Hemiplegic Shoulder Pain Update Does Subluxation Cause HSP? Pro Con Traction on joint capsule Most HSP occurs during during flaccid stage Subluxation more common in Shoulder Hand SyndromeDursun et al 2000 spastic stage-Van Ouwenwaller et al 1986 Neuromuscular Electrical Stim reduces pain but not subluxation- Yu et al No correlation between pain and subluxation Bohannon et al 1990 Ultrasound measurement of shoulder subluxation X Ray Ultrasound Xray evaluation requires Long axis view allows multiple views,measurements after imaging measurement during image acquisition-Park GY, Kim JM, Sohn SI, et al. Ultrasonographic measurement of shoulder subluxation in patients with poststroke hemiplegia. J Rehabil Med 2007; 39: Subacromial Impingement Syndrome Marwan Alqunaee, RCSI, Rose Galvin, BSc (Physio), PhD, Tom Fahey, MD, FRCGPDiagnostic Accuracy of Clinical Tests for Subacromial Impingement Syndrome: A Systematic Review and Meta-Analysis Archives of Physical Medicine and Rehabilitation, Volume 93, Issue 2, February 2012, Pages 229–236 Any rotator cuff pathology in the subacromial space Includes Supraspinatus, Infraspinatus,Teres Minor and Subscapularis Stages Include Stage 1-Bursitis Stage 2-Partial Tear Stage 3- Full thickness Tear Sensitivity and Specificity A SeNsitive test when Negative rules OUT=SNNOUT, (true positive identification) A SPecific test when Positive rules IN=SPPIN’ (true negative identification) Difficult to establish Sensitivity and specificity in studies if there is no “Gold Standard”, or if different “Gold Standards” are used So for diagnostic PE or imaging studies either surgical findings or MRI is used as “Gold Standard” Subacromial Impingement Syndrome=SIS History- pain with overhead activity, nocturnal pain Exam-Hawkins Kennedy passive forward flexion/int rotation only useful test in a hemiplegic patient Sensitivity 74% Imaging- Ultrasound can identify all 3 stages of SIS bursitis,partial tear and full thickness tear Diagnostic accuracy of Ultrasound for RCT Smith et al, Clin Radiol 66 (2011) 1036-1048 Given limitation of history (communication deficit) and exam (given UE weakness), imaging assume greater importance Partial thickness RCT Sen 84%, Sp 89% Full thickness RCT Sen 96%, Sp 93% PHYSICAL FINDINGS AND SONOGRAPHY OF HEMIPLEGIC SHOULDER IN PATIENTS after ACUTE STROKE DURING REHABILITATION-Huang et al J Rehabil Med 2010; 42: 21–26 Methods Results at D/C N=57, cross sectional Pain:68% Poor motor, 35% Good vs Poor Motor groups based on Brunnstrom Excluded prior shoulder problems Recorded pain using VAS-but pain not an inclusion criteria Assessed at admission and discharge (LOS 27d for good,32d for poor motor) Good motor US abnormalities Poor Motor- 50% biceps tendinopathy,47% Supraspinatus tear,44% Subacromial bursitis US abnormalities Good Motor – 30% biceps,22% subacromial bursitis,17% supraspinatus Sonography of Patients with Hemiplegic shoulder pain after stroke Lee et al Am J Roentgen 2009 Feb;192(2): n=71, 20 pts had bilateral shoulders scanned Subacromial bursal effusion seen in 36 shoulders Biceps tendon sheath effusion in 39 shoulders Supraspinatus tendinosis (7),partial tear (6) and full tear (2) Abnormalities more common in hemiplegic shoulder p=.007 vs uninvolved side Sonography and physical findings in stroke patients with hemiplegic shoulders: A longitudinal study Ya Ping Pong et al, J of Rehab med 2012,(44),553-557 76 first time CVA, no hx of shoulder problems Scanned during acute rehab and at 6 mo Underwent standard inpt rehab program 1 hour PT and 1 hr OT 5d/wk Brunnstrom score,ROM, Ashworth,10pt NRS Sonography and physical findings in stroke patients with hemiplegic shoulders: A longitudinal study Ya Ping Pong et al, J of Rehab med 2012,(44),553-557 Acute (D/C from Rehab) Chronic (6mo post D/C) Subacromial effusion 30.3% Subacromial effusion 13.2% Supraspinatus tear 30.3% Supraspinatus tear 40.8% Biceps tendon 39.5% Biceps tendon 57.9% Subscapularis 9.2% Subscapularis 22.4% Pain score 2.71/10 Pain score 3.99/10 Subacromial Bursitis MRI findings in hemiplegic shoulder pain Shah et al Stroke 2008 June 39(6) >3mo since CVA, pain score >4,n=89,65% L HP Supraspinatus tear 26% partial, 6% Full Supraspinatus tendinopathy 51% Infraspinatus tear 13% partial, 2% Full Infraspinatus tendinopathy 19% Subscapularis tear 1% Teres minor tear 1% MRI findings in hemiplegic shoulder pain Shah et al Stroke 2008 June 39(6) Adhesive Capsulitis or Frozen Shoulder Few imaging studies X ray Arthrogram Rizk et al, Arch Phys Med Rehabil. 1984; 65(5):254-6 Arthrogram and Exam -Lo et al., Arch Phys Med Rehabil. 84(12):1786-91, 2003 Dec 32 pt with HSP<1 year post 30 Patients mean 3 months post CVA, Reduced ROM and pain, electrically silent EMG of shoulder muscles 23/30 had reduced capsular volume consistent with adhesive capsulitis CVA 50% had adhesive capsulitis 22% Rotator cuff tears 16% Shoulder Hand Greater ROM correlated with greater joint volume on arthrogram HSP- Spasticity related Older studies (eg Van Ouwenwaller) find that HSP more common in spastic shoulders More recent study by Huang et al showed a weak correlation between spasticity and HSP ?Role of ultrasound imaging may be to guide needle for EMG into the subscapularis Hemiplegic Shoulder Pain Update HSP Neuropathic-CRPS CRPS type 1= RSD Shoulder hand syndrome subtype occurs after CVA Incidence reported as 12-25% (Edgley SR et al,PM&R Supp 1 March 2009 S28) Wide variation due to method of diagnosis (some studies reported much higher incidence with less strcit diagnostic criteria) Sensitivity and Specificity A SeNsitive test when Negative rules OUT=SNNOUT A SPecific test when Positive rules IN=SPPIN Difficult to establish Sensitivity and specificity in studies if there is no “Gold Standard”, or if different “Gold Standards” are used RSD=CRPS Type 1 International Association for the Study of Pain (IASP) clinical diagnostic criteria (Revised Budapest criteria) continuing pain disproportionate to original injury must have reports of at least 1 symptom in 3 of 4 categories sensory - allodynia and/or hyperesthesia vasomotor - temperature asymmetry and/or skin color changes and/or skin color asymmetry sudomotor/edema - edema and/or sweating changes and/or sweating asymmetry motor/trophic - decreased range of motion and/or motor dysfunction (weakness, tremor, dystonia) and/or trophic changes (in hair, nails, or skin) must have at least 1 sign at time of evaluation in 2 or more categories sensory - allodynia (to light touch and/or temperature and/or deep somatic pressure and/or joint movement) and/or hyperalgesia (to pinprick) vasomotor - evidence of temperature asymmetry (> 1 degree C [1.8 degrees F]) and/or skin color changes and/or skin color asymmetry sudomotor/edema -evidence of edema and/or sweating changes and/or sweating asymmetry motor/trophic - evidence of decreased range of motion and/or motor dysfunction (weakness, tremor, dystonia) and/or trophic changes (in hair, nails, or skin) no other diagnosis can better explain signs or symptoms sensitivity 0.85 and specificity 0.69 Reference - Pain Med 2007 May-Jun;8(4):326, editorial can be found in Pain Med 2007 MayJun;8(4):289, commentary can be found in Pain Med 2009 Apr;10(3):598 Bone scan for diagnosis of RSD Review of Hi quality studies pooled diagnostic performance of bone scintigraphy for CRPS type I in analysis of 21 studies sensitivity 79% (range 14%-100%) specificity 88% (range 60%-100%) Review of Low quality studies 6 studies lacked valid reference standard for CRPS 1 unclear if index test interpretation was blinded to reference standard in all studies pooled diagnostic performance of 3-phase bone scintigraphy for CRPS type I in analysis of 6 studies with valid reference standard sensitivity 80% (95% CI 44%-95%) specificity 73% (95% CI 40%-91%) criteria for CRPS on triple-phase bone scan included diffusely increased uptake, especially increased periarticular uptake in multiple joints Reference - J Hand Surg Am 2012 Feb;37(2):288 systematic review of 12 diagnostic cohort studies evaluating bone scintigraphy (3 phase scintigraphy in 11 studies, 5 phase scintigraphy in 1 study) for diagnosis of CRPS type I in 882 patients all studies had ≥ methodologic limitation including positive likelihood ratio 2.92 (95% CI 1.33-6.43) negative likelihood ratio 0.28 (95% CI 0.1-0.76) Reference - Eur J Pain 2012 Nov;16(10):1347 Bone Scan RSD based on 3 diagnostic cohort studies with inconsistent results all 3 studies had lack of reporting if index test interpretation was blinded to reference standard 116 with suspected CRPS had clinical evaluation and were assessed using 3-phase bone scintigraphy 69 (59.5%) had CRPS using Budapest diagnostic criteria as reference standard for diagnosis of CRPS, 3-phase bone scintigraphy had sensitivity 40% specificity 76.5% positive likelihood ratio 1.73 negative likelihood ratio 0.78 Reference - Br J Anaesth 2012 Apr;108(4):655 Neuropathic (non RSD) HSP etiology Zeilig et al Pain. 2013 Feb;154(2):263-71 30 CVA pts N=14 HSP, 16 without HSP> 6 mo post 15 healthy controls HSP group had increased parietal involvement HSP group had higher pain/temp threshold vs CVA pt without HSP in UE and LE No vasomotor or sudomotor signs (no RSD) Is HSP part of a central post stroke pain syndrome? Fig. 3 Higher rates of pathologically evoked pain were found in the affected shoulder of the hemiplegic shoulder pain (HSP) group compared to that of the nonhemiplegic shoulder pain (NHSP) group, including: hyperpathia ( ∗p<.05, ***p<.001 Gabi Zeilig , Michal Rivel , Harold Weingarden , Evgeni Gaidoukov , Ruth Defrin Hemiplegic shoulder pain: Evidence of a neuropathic origin PAIN Volume 154, Issue 2 2013 263 - 271 http://dx.doi.org/10.1016/j.pain.2012.10.026 Case study- Mr. H 60 yo M admitted with R hemi due to L PLIC infarct- MMT 3-/5 L deltoid, biceps, MAS 3 in biceps, no swelling in hand, no sensory change Shoulder pain started during acute rehab-tx with limb protection, analgesics, diclofenac gel Pain with abd, arm flex, persisted as outpatient, no relief with subacromial injection Case study Mr. H Ultrasound R shoulder- 3mm fluid surrounding the R biceps tendon in the groove on SAX/LAX views, no cuff abnormalities, AC joint ok R biceps tendon sheath injection under ultrasound guidance Resolution of R shoulder pain Completed outpatient PT/OT- no recurrence Still gets botox injections to forearm and biceps q 3 months Case study Mrs. B 75 yo F with R MCA infarct causing L HP, L neglect, L hemisensory deficits, cognitive def L shoulder pain, limited ROM, pain with all motions of shoulder, no hand swelling Completed inpt rehab, d/c to SNF, received additional PT/OT Outpt clinic f/u continued pain requesting more pain meds (on Oxy IR n SNF) Case Study Mrs. B Intra-articular injection of minimal benefit Pectoralis and biceps botox of helped biceps tone but no improvements with shoulder pain or ROM Ultrasound of L shoulder-limited study due to problems with positioning shoulder, no evidence of biceps tenosynovitis, + rotator cuff arthropathy (cortical irregularity at supraspinatus insertion) Multifactorial HSP- adhesive capsulitis, +sensory dysesthesias Summary HSP HSP is a complex symptom to evaluate Some cases (?50%) are musculoskeletal RSD about 10-15% Sensory dysesthesias may be related to a central post stroke pain syndrome or to more localized spinothalamic involvement (1-10%) Multifactorial may account for about 30-40% of cases and may be the most difficult to eval/tx HSP Summary New tools such as MSK ultrasound may improve accuracy of HSP diagnosis Bicipital tendinopathy/tenosynovitis more common than previously thought Subscapularis tear more common than previously thought in chronic stage Improved diagnosis can improve treatment Hands on Demonstration Kris Gellert OTR-Hands on Demo of OT eval and treatment of HSP Anne Kirchmayer MD (FAAPMR Sports and Neuromuscular Med)- MSK US of biceps tendon and subscapularis Andy Kirsteins MD- MSK of supraspinatus and infraspinatus