Humerus Fracture Fixation (Upper Arm Fracture Surgery) in India
Surgical treatment of broken humerus (upper arm bone) using plates, screws, rods, or pins to restore bone alignment and function
Overview
Symptoms & Indications
This surgery may be recommended if you experience:
Severe pain in upper arm immediately after injury (fall, accident, direct blow)
Obvious deformity or abnormal shape of upper arm
Swelling and bruising extending from shoulder to elbow
Inability to move arm or lift it away from body
Grinding or crepitus sensation when trying to move arm
Visible bone fragments protruding through skin (open fracture - medical emergency)
Numbness or tingling in hand or fingers (nerve injury - especially radial nerve)
Arm appears shortened compared to other side
Hand weakness or inability to extend wrist/fingers (radial nerve palsy)
Severe pain with any attempted movement of shoulder or elbow
Procedure Details
Duration
Proximal humerus fracture: 1.5-2.5 hours. Mid-shaft fracture: Plating 1-2 hours, Intramedullary nailing 60-90 minutes. Distal humerus fracture: 2.5-4 hours (most complex, often requires olecranon osteotomy and dual plating).
Anesthesia
General anesthesia with endotracheal intubation required for all humerus fracture surgeries. Regional anesthesia highly recommended as adjunct for superior post-operative pain control: interscalene block for proximal humerus (blocks entire arm), supraclavicular or infraclavicular block for shaft and distal fractures. Nerve blocks provide 12-24 hours of pain relief reducing narcotic requirements significantly. Anesthesiologist monitors closely throughout longer procedures with attention to patient positioning and pressure point protection.
Preparation for Surgery
Emergency evaluation includes detailed history of injury mechanism (high vs low energy trauma), physical examination assessing neurovascular status with special attention to radial nerve function (wrist/finger extension, thumb extension, sensation over first web space), circulation (radial and brachial pulses, capillary refill), skin integrity to rule out open fracture. Imaging includes anteroposterior and lateral X-rays of entire humerus including shoulder and elbow joints to assess fracture pattern, displacement, angulation, comminution, and associated injuries. CT scan with 3D reconstruction ordered for complex multi-fragmentary fractures, intra-articular distal humerus fractures, or fractures extending into shoulder/elbow joint to aid surgical planning. Laboratory tests include complete blood count, coagulation profile, blood type and crossmatch if significant blood loss anticipated. Pre-operative optimization addresses patient comorbidities, smoking cessation counseled as smoking significantly impairs bone healing, DVT prophylaxis planned especially for proximal humerus fractures requiring prolonged immobilization. Surgical approach selection based on fracture location: anterolateral approach for proximal humerus, lateral or posterior approach for shaft fractures, posterior triceps-splitting or olecranon osteotomy approach for distal humerus. Informed consent discusses surgical technique, expected outcomes, nerve injury risks (especially radial nerve 5-15% risk), hardware complications, nonunion risk (5-10% for shaft fractures), and rehabilitation timeline.
Surgical Steps
Patient positioned based on fracture location - beach chair position for proximal humerus, supine or lateral decubitus for shaft, supine or prone for distal humerus
General anesthesia administered with endotracheal intubation; often supplemented with regional anesthesia (interscalene block for proximal, supraclavicular for shaft/distal)
Entire upper extremity prepped and draped maintaining sterility from neck to fingertips allowing full arm mobility
Fluoroscopy C-arm positioned to obtain anteroposterior and lateral views of fracture site
FOR PROXIMAL HUMERUS FRACTURES (near shoulder):
Deltopectoral approach - incision from coracoid process extending 8-10 cm distally following deltopectoral groove
Interval developed between deltoid (lateral) and pectoralis major (medial) muscles without cutting any muscles
Cephalic vein identified in interval and carefully retracted (usually laterally with deltoid)
Subdeltoid space entered; rotator cuff tears identified and repaired if present
Fracture fragments exposed and cleaned of blood clot; fracture pattern assessed (2-part, 3-part, or 4-part)
Greater and lesser tuberosity fragments identified and tagged with sutures for later manipulation
Humeral head reduction achieved using joysticks or bone hooks to restore normal anatomy
Provisional fixation with K-wires maintaining reduction while definitive fixation applied
Locked proximal humerus plate contoured to match humeral anatomy and positioned on lateral aspect
Proximal screws (5-8 screws) placed into humeral head in multiple directions (polyaxial locking) providing angular stability
Tuberosity fragments reduced and secured to plate and bone with strong sutures (tension band technique)
Distal shaft screws (3-4 bicortical screws) placed providing compression and stability
Fluoroscopy confirms satisfactory reduction, screw position, and joint clearance
FOR MID-SHAFT HUMERUS FRACTURES:
Anterolateral or posterior approach selected based on fracture pattern and surgeon preference
Careful dissection protecting radial nerve - anterolateral approach stays anterior to nerve, posterior approach requires identification and protection
Radial nerve identified and isolated with vessel loop throughout procedure - located in spiral groove on posterior humerus
Fracture site exposed minimally preserving periosteum and soft tissue attachments (MIPO technique if appropriate)
Reduction achieved using traction, manipulation, and reduction clamps to restore length, alignment, rotation
PLATING TECHNIQUE (most common for shaft fractures):
Narrow 4.5mm locking compression plate (LCP) or broad 4.5mm plate selected based on bone size
Plate positioned on lateral or posterior surface of humerus (posterior safer for radial nerve)
Plate length chosen to span fracture with minimum 3-4 screws (6 cortices) on each side
Screws placed carefully - bicortical purchase essential, drilling stops when far cortex felt to avoid plunging
Mix of locking and cortical screws used - locking screws in osteoporotic bone or comminuted areas
Final fluoroscopy confirms reduction, hardware position, and restoration of normal humeral alignment
INTRAMEDULLARY NAILING (alternative for shaft fractures):
Small incision over greater tuberosity or through rotator cuff split approach
Entry point created in humeral head with awl under fluoroscopy guidance
Fracture reduced and guidewire passed across fracture into distal fragment
Progressive reaming of medullary canal to appropriate diameter
Antegrade humeral nail inserted over guidewire and advanced across fracture
Proximal interlocking screws placed through jig or freehand technique (usually 2 screws)
Distal interlocking screws placed using fluoroscopy guidance (2-3 screws)
Fluoroscopy confirms nail position, fracture reduction, and all locking screws properly placed
FOR DISTAL HUMERUS FRACTURES (near elbow):
Posterior approach - patient prone or lateral position with arm over chest
Midline posterior incision centered over olecranon extending 10-12 cm proximal
Ulnar nerve identified behind medial epicondyle and carefully mobilized/protected throughout
Olecranon osteotomy performed (V-shaped or chevron cut) to expose distal humerus articular surface
Osteotomy provides excellent visualization of both columns and articular surface for anatomic reconstruction
Fracture fragments reduced starting with articular surface - anatomic restoration essential
Temporary K-wires maintain reduction while definitive fixation applied
Orthogonal plating (90-90 technique) - medial plate applied to medial column, lateral plate to lateral column
Alternatively, parallel plating with both plates on posterior surface
Multiple screws placed achieving interfragmentary compression and stable construct
Olecranon osteotomy repaired with tension band wiring or plate fixation
Ulnar nerve may be transposed anteriorly if symptomatic or at risk
Thorough irrigation of all surgical sites with antibiotic solution (minimum 3 liters)
Meticulous hemostasis achieved; surgical drain placed if significant oozing or dead space
Layered closure - deep tissues closed with absorbable sutures, skin closed with nylon or staples
Sterile dressing applied; posterior splint or shoulder immobilizer applied for proximal fractures
Long arm splint applied for shaft fractures; long arm posterior splint for distal fractures
Immediate post-operative X-rays obtained in recovery room to confirm final hardware position
Recovery Timeline
What to expect during your recovery journey
Hospital Stay and Pain Management
Patient typically hospitalized 2-4 days depending on fracture complexity, surgical technique, and pain control. Arm immobilized in splint or sling to protect surgical repair. Regional nerve blocks provide excellent pain relief for first 12-24 hours; transition to oral pain medications (opioids, NSAIDs, acetaminophen). Ice application to reduce swelling - 20 minutes every 2-3 hours while awake. Elevation crucial - keep arm elevated above heart level using pillows to minimize swelling. Neurovascular checks performed every 4 hours initially - monitoring radial pulse, capillary refill, finger motion, sensation. Drain removed typically on day 1-2 once output minimal. Gentle hand and wrist exercises encouraged immediately - finger flexion/extension, wrist circles to prevent stiffness and reduce swelling. Physical therapy begins in hospital teaching pendulum exercises for proximal fractures or elbow exercises for distal fractures. X-rays performed day 1-2 to confirm maintained reduction and hardware position.
Protected Range of Motion
First post-operative visit at 10-14 days for wound check, suture/staple removal, and X-rays to confirm early healing. Splint typically removed at 2-3 weeks once initial healing achieved; transition to removable brace/sling. Protected passive range of motion exercises begin under physical therapy guidance - shoulder pendulums and gentle assisted elevation for proximal fractures, elbow flexion/extension for distal fractures. Active range of motion generally delayed until 4-6 weeks to protect healing bone. For proximal humerus fractures, avoid active elevation and external rotation until 6 weeks to protect rotator cuff repairs. For shaft fractures with stable fixation, earlier active motion may be permitted. For distal fractures, gentle elbow motion begun early (week 2-3) to prevent stiffness. Pain gradually decreases but typically requires oral medications for 3-4 weeks. Most patients weaned off opioids by week 3-4. Showering permitted once wound healed (typically 2 weeks); immersion bathing delayed until 6 weeks. No lifting, pushing, pulling with affected arm - strict activity restrictions to protect healing.
Progressive Strengthening
X-rays at 6 weeks critical to assess fracture healing (callus formation visible). Once bridging callus evident on X-rays and minimal tenderness, progression to active range of motion and light strengthening exercises. Formal physical therapy 2-3 times per week focusing on restoring full range of motion in shoulder, elbow, wrist depending on fracture location. Resistance exercises started with light therabands, progressing to light weights (1-2 pounds). For proximal humerus fractures, particular attention to rotator cuff strengthening and scapular stabilization. For shaft fractures, focus on deltoid, biceps, triceps strengthening. For distal fractures, emphasis on elbow flexion/extension strength and forearm rotation. Return to driving typically cleared at 6-8 weeks for automatic transmission, 8-12 weeks for manual. Return to desk work possible at 6-8 weeks with modifications (no heavy lifting, frequent breaks). Most daily activities gradually resumed with precautions - light cooking, dressing, grooming. Continued activity restrictions: no overhead lifting >5 pounds, no impact activities, no contact sports.
Functional Restoration
X-rays at 12-16 weeks should show solid union with mature callus bridging fracture. Once union confirmed, advancement to unrestricted range of motion exercises and progressive resistance training. Physical therapy focus shifts to functional activities and sports-specific training if applicable. Strengthening program intensifies - weights gradually increased, plyometric exercises introduced. For proximal fractures, overhead activities gradually introduced and progressed. For shaft fractures, full active use of arm permitted for most activities. For distal fractures, continued focus on elbow and forearm strength which typically recover more slowly. Return to manual labor jobs typically cleared at 4-6 months depending on demands and fracture healing. Return to non-contact sports (swimming, cycling, running) generally permitted at 3-4 months. Contact sports and heavy lifting delayed until 6 months minimum. Most patients achieve 80-90% of final function by 4-6 months.
Return to Full Activities
Bone continues remodeling and strengthening for 12-18 months after surgery though functional recovery typically complete by 12 months. Final X-rays at 6-12 months document complete union and bone remodeling. Full release to all activities including contact sports, heavy lifting, overhead athletics typically granted at 9-12 months if fracture fully healed and strength restored. Most patients achieve 90-95% of pre-injury function for proximal and shaft fractures. Distal humerus fractures may have 10-20% permanent range of motion loss (especially extension) but most achieve functional arc. Some patients experience permanent shoulder stiffness after proximal fractures requiring continued stretching exercises. Hardware removal considerations discussed if hardware causing irritation - plates can be removed after 18-24 months once solid union achieved, though many patients retain hardware permanently without issues. Long-term outcomes excellent for appropriately treated fractures - 90-95% union rate, 85-90% return to pre-injury activity level.
Nerve Injury Rehabilitation
Radial nerve injury (palsy) complicates 5-15% of humerus shaft fractures, causing wrist drop and inability to extend fingers/thumb. If nerve intact but bruised (neurapraxia), recovery typically occurs over 3-6 months. Wrist cock-up splint worn continuously to prevent wrist contracture while nerve recovers. Dedicated occupational therapy focuses on maintaining passive range of motion and preventing joint stiffness. Electrical stimulation may be used to prevent muscle atrophy. Nerve recovery monitored clinically and with EMG/nerve conduction studies at 6-12 weeks. First sign of recovery is typically return of sensation followed by motor function (wrist extension, then finger extension, finally thumb extension). Most recover fully by 6 months if nerve intact. If no recovery by 4-6 months, surgical exploration considered. Tendon transfers may be offered if nerve fails to recover by 12 months to restore wrist/finger extension function.
Tips for Faster Recovery
Strict compliance with arm immobilization critical for first 6 weeks - fracture displacement can occur with early unprotected motion
Elevate arm above heart level as much as possible first 2 weeks to minimize swelling - use pillows, sleep semi-reclined
Perform hand exercises (finger pumping, wrist circles) throughout day to prevent swelling and maintain mobility
Watch for warning signs of complications: increasing pain, numbness/tingling, cold fingers, inability to move fingers (call surgeon immediately)
Take pain medications as prescribed - staying ahead of pain allows better participation in therapy and sleep
Ice application helpful for pain and swelling first 2-3 weeks - 20 minutes every 2-3 hours
For proximal fractures, avoid reaching behind back or away from body for 6-8 weeks (protects rotator cuff repair)
For distal fractures, gentle elbow bending/straightening exercises critical starting week 2-3 to prevent permanent stiffness
Physical therapy attendance and home exercise compliance crucial - non-compliance major cause of poor outcomes
No smoking - smoking delays bone healing significantly and increases nonunion risk from 5% to 20%+
Adequate nutrition essential - protein (1g/kg/day), calcium (1000-1200mg), vitamin D (2000IU) for bone healing
Sleep management important - use pillows to support arm, consider recliner chair first 2-3 weeks for comfort
Expect gradual improvement - full recovery takes 9-12 months for complex fractures, patience essential
If radial nerve palsy present (wrist drop), wear wrist splint religiously to prevent contractures during nerve recovery
Hardware irritation common with plates - discuss removal with surgeon if bothersome after fracture healed (18+ months)
Frequently Asked Questions
Common questions about this procedure
Q1.How long does it take for a humerus fracture to heal and when can I use my arm normally?
Q2.What is radial nerve palsy and will my nerve function recover after humerus fracture?
Q3.What are the risks and complications specific to humerus fracture surgery?
Q4.When should humerus fractures be treated surgically versus non-surgically with casting?
Q5.What is the cost of humerus fracture surgery and does insurance cover it?
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