Humeral Head Replacement HHR ; shoulder hemiarthroplasty surgical procedure скачать в хорошем качестве

Humeral Head Replacement HHR ; shoulder hemiarthroplasty surgical procedure

🦴 Humeral Head Replacement—also known as shoulder hemiarthroplasty—is a surgical procedure where the damaged head of the humerus (upper arm bone) is replaced with a prosthetic implant, while the shoulder socket (glenoid) is left intact. It’s typically used to treat severe fractures, arthritis, or osteonecrosis when the glenoid is healthy or unsuitable for resurfacing2. 🔍 When Is It Done? Indication Description Severe fractures Especially 3- or 4-part proximal humerus fractures Osteoarthritis When glenoid cartilage is preserved or glenoid bone stock is poor Avascular necrosis Bone death due to poor blood supply Failed previous surgery Revision of unsuccessful shoulder procedures 🛠️ Procedure Overview Performed via a deltopectoral approach The humeral head is resected and replaced with a metal prosthesis Implant may be cemented or press-fit depending on bone quality Tuberosity repair is crucial for shoulder function in fracture cases ⚠️ Benefits & Risks Benefits Risks Pain relief Infection Improved shoulder motion Implant loosening or migration Preserves glenoid Tuberosity nonunion or malposition Shorter surgery than total replacement Progressive glenoid arthritis over time 🧠 Humeral Head vs. Total Shoulder Replacement Feature Humeral Head Replacement Total Shoulder Replacement Glenoid resurfaced? ❌ No ✅ Yes Indicated for? Fractures, AVN, mild arthritis Advanced arthritis, cuff integrity Recovery Often quicker May require more rehab #HumeralHeadReplacement