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All orthopaedics briefings

The edition · Orthopaedics

Shoulder replacements lasted, but function faded: what 'success' means at ten years

In 791 anatomic shoulder arthroplasties, 96% of implants survived ten years while patient-reported benefit slowly declined. Also: robotic MIS-TLIF, opioid-free anaesthesia for arthroscopy, fear of movement after knee replacement, and infection prevention.

The edition in brief

A single-institution cohort of 791 anatomic total shoulder arthroplasties found implant survival of 96.1% at 10 years and 93.7% at 15, with younger age and Walch B glenoids linked to revision. Patient-reported function gradually declined, though about 70% still reached an acceptable symptom state and 80% a minimal important improvement at 10 years. A Chinese single-centre trial randomised 128 patients to robot-assisted minimally invasive or open TLIF: the robotic arm had slightly better disability scores at two weeks, more accurate screws and less blood loss, but longer surgery and no difference by three months or in fusion. In 70 adults having knee arthroscopy with a femoral nerve block, opioid-free anaesthesia with dexmedetomidine and esketamine was non-inferior for recovery quality and halved nausea, but brought earlier pain and more rescue opioid. A meta-analysis of 11 trials suggests structured exercise programmes may reduce fear of movement after knee replacement, with low-certainty evidence and very high heterogeneity. A Bone & Joint Journal annotation updates periprosthetic joint infection prevention a decade after major guidelines.

In this edition
01
Clinical update

Anatomic shoulder replacement: implants survive, function slowly fades

When consenting for anatomic shoulder replacement, explain that implants usually last but function tends to decline gradually, especially in younger patients.

1 min · The Journal of bone and joint surgery. American volumeRead →
Primary outcome
Implant survival and clinically important ASES thresholds at 10 years
Effect
Survival 96.1% at 10 years; 69.5% reached acceptable symptom state
02Research

Robotic MIS-TLIF: faster early recovery, no difference by three months

Robot-assisted MIS-TLIF gave a small early recovery advantage and better screw accuracy, but no clinical or fusion benefit beyond three months.

1 min · Journal of robotic surgeryRead →
03Research

Opioid-free anaesthesia for knee arthroscopy: less nausea, earlier pain

Opioid-free anaesthesia matched opioid-based recovery quality after knee arthroscopy and halved nausea, at the cost of earlier pain.

1 min · Drug design, development and therapyRead →
04Research

Structured exercise may ease fear of movement after knee replacement

Ask about fear of movement after knee replacement and consider structured, graded exercise when it limits progress.

1 min · BMC musculoskeletal disordersRead →
05Pearl

Aspirate before antibiotics in a painful joint replacement

In a stable patient with suspected periprosthetic infection, aspirate before starting antibiotics.

1 minRead →
06Practice changer

Periprosthetic infection prevention, ten years on

Audit your arthroplasty infection-prevention pathway against the updated recommendations, starting with preoperative optimisation.

1 min · The bone & joint journalRead →

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