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Pars plana vitrectomy
Retina & Vitreous
Key Points
- •PPV is the most commonly performed vitreoretinal surgery; modern 25G/27G sutureless systems enable outpatient surgery with rapid recovery
- •Key indications: endophthalmitis (VA ≤LP per EVS), complex RD, non-clearing VH, macular hole, ERM, IOFB removal
- •Cataract is the most significant late complication (>80% phakic patients within 2 years) - combined phaco-vitrectomy recommended in patients >50
- •Gas tamponade: SF6 20% (2–3 weeks), C3F8 14% (6–8 weeks). No air travel and no nitrous oxide anaesthesia while gas in situ
- •The EVS established that PPV benefits only patients with VA ≤LP in endophthalmitis; tap-and-inject is sufficient for VA ≥HM
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17 more sections are included with the Clinical plan.
- Definition
- Epidemiology
- Aetiology and causes
- Pathogenesis
- Classification
- Risk factors and associations