神经根型骶管囊肿静水压机制和手术疗效研究OA

Objective To investigate the intracystic hydrostatic pressure mechanism of Tarlov cyst and the clinical efficacy of microsurgery.Methods A retrospective analysis was performed for the clinical data of 26 patients with Tarlov cysts who underwent surgical treatment in The Second Hospital of Shanxi Medical University from November 2016 to June 2019,including symptoms,intraoperative management,and postoperative follow-up.Intracystic hydrostatic pressure was measured for some patients during surgery,and a statistical analysis was performed.Results Lumbosacral pain and radiating pain in the lower extremities were the main symptoms of the patients with Tarlov cysts when they attended the hospital.All 26 patients underwent microsurgery involving subtotal cyst resection and nerve root fascicular reconstruction,and there were no new complications after surgery.Of all patients,25(96.1%)achieved the improvement or disappearance of symptoms,and 1 had no significant changes.Preoperative intracystic pressure ranged from 3.1 to 12.4 mmHg under different body positions,whereas sacral canal pressure ranged from 0.1 to 0.8 mmHg after surgery.Conclusions Tarlov cysts may be associated with the increase in intracystic hydrostatic pressure.Microsurgical subtotal cyst resection combined with nerve root fascicular reconstruction can alleviate symptoms and is a safe and effective method for the treatment of Tarlov cysts.