A revision surgery is a procedure to correct a previous operation that either failed to relieve pain from your initial condition or caused further internal complications due to a misdiagnosis, surgeon error, lack of fusion, infection, hardware malfunction, or lack of recovery following a previous surgery.A revision surgery is a procedure to correct a previous operation that either failed to relieve pain from your initial condition or caused further internal complications due to a misdiagnosis, surgeon error, lack of fusion, infection, hardware malfunction, or lack of recovery following a previous surgery.A revision surgery is a procedure to correct a previous operation that either failed to relieve pain from your initial condition or caused further internal complications due to a misdiagnosis, surgeon error, lack of fusion, infection, hardware malfunction, or lack of recovery following a previous surgery.