Dr. Faizaan Rushnaiwala

🧠🦴 SPINE SURGERIES – OVERVIEW Spine surgeries are performed to treat a wide range of spinal conditions including degenerative diseases, trauma, deformities, tumors, and infections affecting the cervical, thoracic, or lumbar spine. 🔹 Common Indications for Spine Surgery Condition Examples Degenerative Disc herniation, spinal stenosis, spondylolisthesis Trauma Vertebral fractures, dislocations Deformity Scoliosis, kyphosis Infection Tuberculosis (Pott's spine), discitis Tumors Primary or metastatic spinal tumors Instability Due to degeneration, trauma, or surgery 🔹 Goals of Spine Surgery Relieve nerve compression (e.g. sciatica, radiculopathy) Stabilize the spine (internal fixation, fusion) Correct deformities Remove pathological tissue (e.g. tumor, abscess) Restore spinal alignment and function 🔹 Types of Spine Surgeries 1. Discectomy / Microdiscectomy Indication: Herniated disc compressing nerve root (sciatica, radiculopathy) Microdiscectomy: Minimally invasive, less muscle damage Most common in: Lumbar spine 2. Laminectomy / Laminotomy Laminectomy: Removes lamina to decompress spinal canal (for spinal stenosis) Laminotomy: Partial removal (more conservative) Common in lumbar and cervical stenosis 3. Spinal Fusion Indication: Instability (e.g., spondylolisthesis, fractures, severe degeneration) Joins two or more vertebrae using bone grafts + hardware (screws/rods/plates) Can be: PLIF (Posterior Lumbar Interbody Fusion) TLIF (Transforaminal Lumbar Interbody Fusion) ALIF (Anterior Lumbar Interbody Fusion) ACDF (Anterior Cervical Discectomy and Fusion) 4. Vertebroplasty / Kyphoplasty Indication: Osteoporotic vertebral compression fractures Vertebroplasty: Injection of bone cement into vertebral body Kyphoplasty: Balloon inflation before cement injection to restore height 5. Deformity Correction For scoliosis or kyphosis Involves long-segment instrumentation and fusion May use pedicle screws, rods, osteotomies 6. Spinal Tumor Surgery Decompression ± excision of tumor May involve spinal stabilization or reconstruction Requires multidisciplinary planning (oncology, radiology) 7. Endoscopic Spine Surgery (MISS) Minimally invasive alternative for discectomy, decompression Uses tubular retractors and cameras Reduced pain and quicker recovery 🔹 Spinal Levels & Surgeries Region Common Surgeries Cervical ACDF, cervical laminectomy, posterior fixation Thoracic Discectomy, corpectomy (e.g. for TB/tumor), deformity correction Lumbar Discectomy, TLIF, laminectomy, vertebroplasty 🔹 Risks and Complications Infection Nerve injury Dural tear → CSF leak Implant failure Adjacent segment degeneration Nonunion (in fusion cases) Persistent pain (Failed Back Surgery Syndrome) 🔹 Rehabilitation & Recovery Early mobilization (especially after MISS) Bracing if needed Physiotherapy: core strengthening, posture correction Gradual return to activity 🔹 Advances in Spine Surgery ✅ Minimally Invasive Spine Surgery (MISS) ✅ Robotic-assisted spine surgery ✅ Intraoperative navigation & neuromonitoring ✅ Biologics for fusion (e.g. BMPs) ✅ Artificial disc replacement (motion-preserving alternative) 🔹 Summary Chart Surgery Indication Approach Invasiveness Discectomy Herniated disc Posterior Conventional or minimally invasive Laminectomy Spinal stenosis Posterior Open or minimal Fusion (e.g. TLIF) Instability, degeneration Anterior/Posterior Moderate–high Vertebroplasty Compression fracture Percutaneous Minimally invasive Tumor excision Spinal tumors Any Variable

🦴 JOINT REPLACEMENT SURGERIES (ARTHROPLASTY) – OVERVIEW Joint Replacement Surgery, also called Arthroplasty, involves removing a damaged joint surface and replacing it with an artificial prosthesis to relieve pain and restore function—most commonly in advanced osteoarthritis, rheumatoid arthritis, or after trauma. 🔹 Common Types of Joint Replacement Surgeries Joint Procedure Name Notes Knee Total Knee Replacement (TKR) / Partial Knee Replacement Most common worldwide Hip Total Hip Replacement (THR) Gold standard for hip OA Shoulder Total Shoulder Arthroplasty (TSA) / Reverse TSA Depends on rotator cuff status Elbow Total Elbow Replacement Less common; for RA or severe trauma Ankle Total Ankle Arthroplasty For end-stage ankle arthritis Finger Joints MCP, PIP joint replacement Mostly in rheumatoid arthritis 🔹 Components of Joint Prostheses Metal: Titanium, cobalt-chromium alloys Plastic: Ultra-high-molecular-weight polyethylene (UHMWPE) Ceramic: Highly biocompatible, less wear (e.g. ceramic-on-ceramic in hips) 🔹 Indications for Joint Replacement ✅ Severe joint pain affecting daily activities ✅ Advanced osteoarthritis or inflammatory arthritis ✅ Joint deformity ✅ Failure of conservative treatments (medication, therapy, injections) ✅ Post-traumatic arthritis ✅ Avascular necrosis (e.g. femoral head) ✅ Tumors involving joints (limb salvage procedures) 🔹 Types of Joint Replacement 1. Total Joint Replacement Entire articular surface replaced (e.g. TKR, THR) 2. Partial Joint Replacement Only a part is replaced (e.g. Unicompartmental Knee Replacement) 3. Hemiarthroplasty Only one side of the joint replaced (e.g. hip hemiarthroplasty for femoral neck fractures) 4. Reverse Shoulder Arthroplasty Used when rotator cuff is non-functional 🔹 Surgical Approach (Example: Hip) Posterior approach: Most common, good exposure, higher dislocation risk Anterior approach: Less muscle damage, quicker recovery Lateral approach: Lower dislocation risk, possible abductor weakness 🔹 Post-operative Care Early mobilization (within 24–48 hours) Physiotherapy (ROM, strengthening, gait training) Thromboprophylaxis (DVT/PE prevention) Pain management Monitoring for infection or implant complications 🔹 Risks & Complications Early Late Infection Prosthesis loosening DVT/PE Wear of implant Bleeding Periprosthetic fracture Nerve injury Dislocation (hip/shoulder) Joint stiffness Aseptic loosening or osteolysis 🔹 Lifespan of Joint Prostheses Typically lasts 15–20 years Younger patients may require revision surgery later 🔹 Advances in Joint Replacement Robotic-assisted surgery 3D-printed implants (custom-fit) Navigation systems Minimally invasive techniques Enhanced recovery protocols (ERAS) 🔹 Summary Chart Feature Total Joint Replacement Partial Replacement Invasiveness More Less Longevity Longer Shorter Recovery Moderate Faster Indication Extensive damage Localized damage Cost Higher Lower

🦴 Minimally Invasive Joint Surgeries / Arthroscopy in Orthopaedics Minimally invasive joint surgery—especially arthroscopy—has become the gold standard for diagnosing and treating many intra-articular conditions, offering reduced pain, quicker recovery, and smaller incisions compared to open surgery. 🔹 What is Arthroscopy? Arthroscopy is a surgical technique in which a small camera (arthroscope) and miniature instruments are inserted into the joint through tiny incisions (portals) to visualize, diagnose, and treat joint problems. Camera projects images onto a monitor Minimally traumatic to skin, soft tissues, and joint capsule 🔹 Advantages of Arthroscopy ✅ Smaller incisions ✅ Less post-operative pain ✅ Faster recovery ✅ Reduced hospital stay (often day care) ✅ Minimal blood loss ✅ Lower infection risk ✅ Better cosmetic outcome 🔹 Common Joints Treated Arthroscopically Joint Common Indications Knee Meniscus tear, ACL/PCL reconstruction, cartilage lesions, synovectomy Shoulder Rotator cuff repair, impingement syndrome, labral tears, frozen shoulder Hip Femoroacetabular impingement (FAI), labral tears, loose bodies Ankle Anterior impingement, loose bodies, OCD (osteochondritis dissecans) Wrist TFCC tears, carpal instability, ganglion cysts Elbow Loose body removal, synovitis, contracture release 🔹 Common Arthroscopic Procedures 🦿 Knee Arthroscopy Meniscectomy or meniscal repair ACL reconstruction Cartilage debridement/microfracture Synovectomy Lateral release (for patellar tracking issues) 💪 Shoulder Arthroscopy Rotator cuff repair Subacromial decompression SLAP lesion repair Bankart repair (for recurrent dislocation) Biceps tenodesis 🩻 Hip Arthroscopy Labral repair Femoroplasty (for cam/pincer lesions in FAI) Synovectomy or loose body removal 🔹 Equipment Used Arthroscope (typically 2.7mm or 4.0mm) Light source Saline/lactated Ringer’s irrigation system Trocar/cannula systems Power shavers RF ablation probes Specialized instruments (graspers, scissors, punches) 🔹 Contraindications Severe joint arthritis (especially if joint space is obliterated) Active infection Inaccessible joint anatomy (e.g. severe deformity or scarring) Poor general health status 🔹 Risks and Complications Infection (rare) Thrombosis Bleeding/hemarthrosis Nerve or vessel injury Stiffness or incomplete resolution of symptoms 🔹 Summary Chart Feature Open Surgery Arthroscopy Incision size Large Small (0.5–1 cm) Recovery time Long Short Blood loss More Minimal Hospital stay Longer Often day-care Scarring Visible Minimal Indications Advanced disease Early–moderate, focal lesions

Joint Preservation in orthopaedics refers to strategies, treatments, and surgical techniques that aim to delay or prevent joint replacement (such as total knee or hip arthroplasty) by maintaining the native joint structure and function for as long as possible. 🔹 Goals of Joint Preservation Reduce pain Improve or maintain joint function Delay or avoid the need for joint replacement Preserve native bone and cartilage 🔹 Who Needs Joint Preservation? Younger patients with joint damage (e.g. early osteoarthritis) Athletes or active individuals with cartilage or ligament injuries Patients with post-traumatic joint changes Early or focal cartilage damage (not end-stage arthritis) 🔹 Non-Surgical Joint Preservation Techniques Weight Management Reduces load on joints (especially knees and hips) Physical Therapy Improves joint mechanics and muscle balance Activity Modification Avoid high-impact activities that accelerate cartilage wear Orthotics & Bracing Offload affected compartments (e.g., unloader knee brace) Injection Therapies Corticosteroids, PRP, hyaluronic acid, stem cells (as discussed earlier) Medications NSAIDs, glucosamine/chondroitin (limited evidence) 🔹 Surgical Joint Preservation Techniques 1. Arthroscopy Minimally invasive; for debridement, synovectomy, or cartilage repair Often used in knees and shoulders 2. Cartilage Restoration Procedures Microfracture: Stimulates new cartilage growth from marrow Osteochondral Autograft Transfer (OATS): Transplanting cartilage plugs from non-weightbearing areas Autologous Chondrocyte Implantation (ACI): Cultured cartilage cells re-implanted into defect Osteochondral Allografts: Cadaveric cartilage grafts for large defects 3. Osteotomy Realigns bone to shift load away from damaged joint area Common in knee osteoarthritis (high tibial osteotomy for varus knees) 4. Meniscus Preservation (in knees) Meniscal repair instead of removal Meniscal transplantation (for younger patients with prior meniscectomy) 5. Ligament Reconstruction ACL or PCL reconstructions to restore stability and prevent cartilage damage 🔹 Emerging/Advanced Therapies Biologic therapies: PRP, stem cells, growth factors 3D-printed scaffolds: For custom cartilage repair Gene therapy: Experimental, to promote cartilage regeneration 🔹 Joint Preservation vs Replacement Aspect Joint Preservation Joint Replacement Age group Younger, active Older, low-demand Goal Delay degeneration Replace damaged joint Recovery Shorter (usually) Longer recovery Durability Variable High, but prosthesis has lifespan

Injection Therapies in Orthopaedics are commonly used for both diagnostic and therapeutic purposes. They can help reduce inflammation, relieve pain, promote healing, and improve joint or soft tissue function. 🔹 Types of Injection Therapies in Orthopaedics 1. Corticosteroid Injections Indications: Osteoarthritis (e.g. knee, shoulder) Bursitis (e.g. subacromial, trochanteric) Tendinitis/Tendinopathies (e.g. rotator cuff, tennis elbow) Inflammatory arthritis Mechanism: Potent anti-inflammatory effect Common Drugs: Triamcinolone, Methylprednisolone, Dexamethasone Limitations: Limited frequency (risk of tissue damage), potential systemic effects (e.g. hyperglycemia) 2. Viscosupplementation (Hyaluronic Acid Injections) Indications: Knee osteoarthritis (main use) Mechanism: Lubricates the joint, improves shock absorption Effectiveness: Variable; more effective in early-stage OA Example: Synvisc, Orthovisc, Hyalgan 3. Platelet-Rich Plasma (PRP) Injections Indications: Tendinopathies (e.g. tennis elbow, Achilles tendinitis) Early osteoarthritis Muscle and ligament injuries Mechanism: Uses patient’s own blood components to promote healing Pros: Autologous, lower risk of reaction Limitations: High variability in efficacy; expensive 4. Stem Cell Therapy (Mesenchymal Stem Cells) Indications: Under investigation for cartilage repair, OA, tendon injuries Mechanism: Regenerative potential Status: Still mostly experimental; limited clinical approval 5. Local Anesthetic Injections Indications: Diagnostic use in pain localization; short-term relief Drugs: Lidocaine, Bupivacaine Used With: Often combined with corticosteroids 6. Botulinum Toxin (Botox) Indications: Spasticity, chronic pain conditions (off-label in some cases) Mechanism: Blocks acetylcholine at neuromuscular junction 7. Prolotherapy Indications: Chronic ligament/tendon pain Mechanism: Injection of irritant (e.g. dextrose) to promote healing response Controversial: Limited high-quality evidence 🔹 Common Sites for Injections Shoulder: Subacromial bursa, glenohumeral joint, AC joint Knee: Intra-articular space Hip: Trochanteric bursa, intra-articular Spine: Facet joints, epidural space Foot/Ankle: Plantar fascia, tibiotalar joint Elbow/Wrist: Lateral epicondyle, carpal tunnel 🔹 Risks and Complications Infection Post-injection flare Skin depigmentation or atrophy (especially with steroids) Tendon rupture (if injected into tendon) Nerve injury

“General Orthopaedics” refers to the broad field within orthopaedic (or orthopedic) medicine that focuses on the diagnosis, treatment, rehabilitation, and prevention of diseases and injuries of the musculoskeletal system. This includes: Main Areas of General Orthopaedics: Bones – Fractures, bone infections (osteomyelitis), bone tumors, osteoporosis, etc. Joints – Arthritis (osteoarthritis, rheumatoid arthritis), dislocations, joint pain, etc. Muscles – Strains, tears, and myopathies. Tendons and Ligaments – Tendinitis, ligament sprains, ACL tears, etc. Nerves – Entrapments like carpal tunnel syndrome, sciatica, etc. Spine – Common issues like back pain, herniated discs, scoliosis, etc. Pediatric Orthopaedics – Conditions like clubfoot, developmental dysplasia of the hip (DDH), etc. Common Conditions Treated in General Orthopaedics: Fractures and dislocations Sports injuries (e.g., meniscus tears, rotator cuff injuries) Arthritis and joint pain Tendon and ligament injuries Bursitis and tendinitis Back and neck pain Bone tumors (benign and malignant) Treatment Modalities: Non-surgical: Medications, physiotherapy, braces, injections Surgical: Fracture fixation, arthroscopy, joint replacement, tendon repair Diagnostic Tools: X-rays MRI CT scans Ultrasound Bone scans