What s Hip: Common Hip Problems and Kids and Adults Alan Zhang MD Assistant Professor Sports Medicine and Hip Arthroscopy UCSF Department of Orthopaedic Surgery I have no relevant disclosures. 2 1
Most Common Hip Pathologies STAIRS Strain Trochanteric Pathology Arthritis (and Avulsion) Impingement Referred pain Stress Fracture 3 Big 3- Questions to Ask Chronicity- When did it happen? Mechanism- How did you injure it? Location- Where is the pain? 4 2
Chronicity Acute Chronic Overuse Repetitive microtrauma Degenerative No specific injury 5 Mechanism of Injury Contact Non-contact Twisting Squatting Flexion/extension Pop 6 3
Location, Location, Location Anterior/groin FAI Arthritis Flexor strain Lateral/thigh Trochanteric pathology Snapping hip Buttock/posterior Low back/sciatic nerve Referred pain 7 Anatomy Intra-articular Anatomy 8 4
Anatomy Muscle insertions 9 11/20/2017 Strain (Muscle Strain) Most common injury in hip and pelvis All ages Most common location at muscle-tendon junction Most prone to strain if cross 2 joints (hip and knee) Hip flexors (anterior) Rectus femoris Sartorius Iliopsoas Proximal Hamstrings (posterior) 10 11/20/2017 5
Muscle Strain Treatment Non-operative treatment Rest, Ice, Compression, NSAIDs Gentle range of motion exercises when pain improves Strengthening once full ROM regained Return to play (RTP): 1-3 weeks 11 11/20/2017 Trochanteric Pathologies Trochanteric bursitis IT Band Syndrome Gluteus tear All have lateral sided hip pain 12 6
Trochanteric Bursitis Chronic pain from inflamed trochanteric bursa Pain over lateral hip Pain with direct palpation of greater trochanter More common in females age 40-70 Treatment PT, CSI If refractory >3 months then endoscopic bursectomy is option 13 IT Band Syndrome Chronic pain over lateral thigh/hip pain from overuse Age group 20-40 Can cause contracture/tightness- External snapping hip Common in runners and bikers Treatment Rest, icing, stretching, PT, foam roll Endoscopic IT band release RTP: 2-4 weeks 14 7
Gluteus Tears Chronic trochanteric bursitis can cause gluteus medius and minimus tearing Chronic but can be from acute fall Females 50-70 Lateral pain and WEAKNESS with abduction on exam Trendelenburg sign Treatment PT, CSI Endoscopic gluteus repair is an option 15 Physical Exam Hip Abduction Testing 16 8
Gluteus Medius Tear 9
Arthritis of the Hip Osteoarthritis most common Chronic pain, no specific injury Pain in groin, anterior thigh, deep Age >55 Rheumatoid Arthritis Family history Multiple joints involved Age >35 20 10
Clinical Presentation Physical Exam Decreased range of motion Pain in groin, lateral and posterior Crepitus with ROM Altered gait 21 Radiographic Findings AP Pelvis Joint space narrowing Subchondral sclerosis Osteophytes 22 11
Treatment Conservative Physical Therapy Gluteal and core strengthening Cortisone injection Ultrasound or fluoroscopic guidance Operative treatment Total hip arthroplasty Anterior, anterolateral, posterior approach 23 Avulsions (Apophyseal Avulsion) Occurs in Children Usually non-contact, quick acceleration mechanism Avulsion of bone at tendon attachment ASIS- sartorius AIIS- rectus Ischial tuberosity- hamstring Lesser trochanter- iliopsoas Treatment- rest, ice, protected weightbearing (crutches) until pain improved, ROM and strengthening, rarely surgery RTP: 2-3 months 24 11/20/2017 12
Apophyseal Avulsions ASIS AIIS Lesser Troch 25 11/20/2017 Impingement Femoroacetabular Impingement (FAI) Abnormal bony anatomy that forms during development Age group 15 to 45 years old More commonly chronic injury (can be acute) Can lead to intra-articular injury to labrum and cartilage Can lead to early arthritis 26 13
FAI Cam-Type- femoral head neck asphericity Pincer Type- acetabulum overcoverage Mixed Type- both Cam and Pincer 27 Hip Labral Tear- can be acute event 28 14
FAI- Common symptoms Common Symptoms Anterior groin and in c-shaped band Worse with prolonged sitting Activity related (walking, running, jumping, squats) Physical Exam Pain with Flexion Adduction Internal Rotation (FADIR) 29 Imaging Radiographs (AP pelvis, Dunn Lateral) MRI/MRA 30 15
Prevalence of FAI in Athletes Football- 90% of players at NFL Combine (2009-2010) had at least 1 sign of FAI on xrays Hockey- 75% of Elite Youth Hockey players in Colorado had Cam lesion on MRI Soccer- 72% of male and 50% of female elite soccer players (MLS, US national team) had radiographic FAI 31 FAI and Arthritis For patients <50 years old with hip arthritis 45% due to FAI, 45% hip dysplasia, 10% trauma/other 32 16
Treatment Conservative treatment Rest PT- core strengthening, gluteal strengthening CSI Surgical treatment Hip Arthroscopy Labral repair Osteochondroplasty 33 Surgical Treatment- Hip Arthroscopy 34 17
Cam Decompression Pre-op Post-op Alan Zhang, MD UCSF Hip Arthroscopy Pincer Decompression 36 11/20/2017 18
Labral Repair 37 Outcomes Byrd et al 2011 200 athletes with 2 year follow up after hip arthroscopy 90% returned to sport (95% pro, 85% collegiate) 38 19
Does FAI Surgery Prevent Arthritis? Quantitative MRI to assess for early cartilage injury in hip NIH funded study at UCSF- actively recruiting patients 39 Referred Pain Hip pain can be referred from the lumbar spine or the knee Can be acute (lumbar disk herniation) Usually located posterior in buttock region and radiates down the leg Age group- >40 40 20
Referred pain Lumbar radiculopathy Ask about radiating or shooting pain, numbness or tingling Pain that shoots from the hip down past the knee is usually from the spine and not the hip Obtain L-spine films if needed Knee pain Femoral nerve can cause referred hip pain when source is from the knee (and vice versa) Check radiographic and knee exam if hip films and exam is normal 41 Stress Fracture Acute on chronic injury (overtraining) Age group 18-60 (more commonly >40 years old) Pain in groin, anterior thigh, deep in joint, worse with weightbearing PE- painful hop test Females >males Female athletic triad Stress fracture amenorrhea eating disorder 42 21
Stress Fracture (Proximal Femur) Sports- Track and field most common MRI or bone scan for diagnosis Treatment Rest, counseling, protected weight bearing RTP: 3-4 months 43 Strain Hip flexor/proximal Hamstrings Trochanteric Pathology Bursitis, IT Band, gluteus tear Arthritis/Avulsion Arthritis is older adults, avulsion in kids Impingement FAI, Labral tears Referred pain Lumbar spine/knee Stress Fracture Female athlete triad STAIRS 44 22
Thank you Alan Zhang, MD alan.zhang@ucsf.edu 415-353-4843 45 11/20/2017 References 1. Kocher MS, Tucker R. Pediatric athlete hip disorders. Clin Sports Med. 2006 Apr;25(2):241-53, viii. 2. Jayakumar P, Ramachandran M, Youm T, Achan P. Arthroscopy of the hip for paediatric and adolescent disorders: current concepts. J Bone Joint Surg Br. 2012 Mar;94(3):290-6. doi: 10.1302/0301-620X.94B3.26957. 3. Kovacevic D, Mariscalco M, Goodwin RC. Injuries about the hip in the adolescent athlete. ports Med Arthrosc. 2011 Mar;19(1):64-74. doi: 10.1097/JSA.0b013e31820d5534. 4. Frank JS, Gambacorta PL, Eisner EA. Hip pathology in the adolescent athlete. J Am Acad Orthop Surg. 2013 Nov;21(11):665-74. doi: 10.5435/JAAOS-21-11-665. 5. Byrd JW. Femoroacetabular impingement in athletes: current concepts. Am J Sports Med. 2014 Mar;42(3):737-51. doi: 10.1177/0363546513499136. Epub 2013 Aug 27. 6. Draovitch P, Edelstein J, Kelly BT. The layer concept: utilization in determining the pain generators, pathology and how structure determines treatment. Curr Rev Musculoskelet Med. 2012 Mar;5(1):1-8. doi: 10.1007/s12178-011-9105-8. 7. Byrd JW, Jones KS. Arthroscopic management of femoroacetabular impingement in athletes. Am J Sports Med. 2011 Jul;39 Suppl:7S-13S. 46 11/20/2017 23