AIM:To evaluate the visual outcomes of implantable collamer lenses(ICLs)and identify the possible risk factors for ICL axis misalignment,and consequently,repositioning,explanting,or exchanging at a specialized eye hos...AIM:To evaluate the visual outcomes of implantable collamer lenses(ICLs)and identify the possible risk factors for ICL axis misalignment,and consequently,repositioning,explanting,or exchanging at a specialized eye hospital in Saudi Arabia.METHODS:The medical records of 813 eyes with different refractive errors corrected with ICL implantation were identified and included in this single-arm retrospective cohort study.The following data were collected:demographic characteristics,primary diagnosis,preoperative refraction,anterior chamber depth(ACD),white-to-white(WTW)measurement,endothelial cell density(ECD),and axial length.Patients’satisfaction and complaints,and their postoperative refraction,vault depth,and axis alignment with the preoperative target,were reviewed during the postoperative period.Collectively,these data were correlated with symptomatic axis rotation and the need for repositioning,explantation,or exchange due to high or low ICL vaults.RESULTS:Of 813 eyes,27(3.32%),13(1.59%),and 11(1.35%)required ICL repositioning,ICL explantation only without exchange,and ICL explantation with the placement of a new ICL,respectively.The mean follow-up period was 37.5mo.The main cause of explanation or exchange was incorrect WTW measurement in seven(29.17%)eyes,followed by high vault in four(16.56%)eyes.ICL repositioning was required in 27(3.32%)eyes with considerable rotation.Only 2(0.24%)eyes developed cataracts that required ICL removal,and retinal complications were reported in 7(0.86%)eyes.Long-term glaucoma and corneal decompensation were not observed in this cohort.CONCLUSION:With a high safety profile and reversibility,ICL implantation is a good alternative to corneal-based refractive surgery in eyes unsuitable for laser vision correction.The rate of secondary procedures in our study was 6.26%.Old age is a risk factor for secondary surgical interventions in the repositioning group,whereas abnormal vault and toric ICL rotation in the explantation group necessitated subsequent surgical procedures.Overall,ICL implantation demonstrates a good efficacy index and safety profile in patients with diverse refractive errors.展开更多
BACKGROUND It is well known that in case of high initial strictures of bile ducts surgical treatment is associated with a high risk of damage to the hepatoduodenal ligament elements,often involved in rough scarring,an...BACKGROUND It is well known that in case of high initial strictures of bile ducts surgical treatment is associated with a high risk of damage to the hepatoduodenal ligament elements,often involved in rough scarring,and with a significant risk of stricture recurrence.AIM To compare the long-term outcomes of different surgical treatment options for patients with high-grade benign biliary strictures.METHODS From 2012 to 2022,193 patients were treated at the A.V.Vishnevsky Surgical Center.All of them had different levels of strictures according to Bismuth-Strasberg classification:Type E1-2 in 32 patients,type E3-99,type E4-62.123 patients underwent open reconstructive interventions,70 percutaneous endobiliary interventions.RESULTS Long-term results were available for 192(99%)patients with a follow-up of 4.7±1.6 years after reconstructive surgery;3.0±1.4 years after percutaneous interventions.Excellent and good results(according to Terblanche classification)were achieved in 35%(42/122)of patients after open reconstructive surgery and in 13%(9/70)of patients after percutaneous transhepatic interventions(P-value<0.05).CONCLUSION Technically,the most difficult bile duct strictures for reconstructive and percutaneous transhepatic interventions with a high recurrence rate are Bismuth-Strasberg type E4 and E5.The comparative analysis of long-term results of percutaneous and open procedures showed a statistically significant advantage of percutaneous procedures compared to open reconstructive procedures.展开更多
文摘AIM:To evaluate the visual outcomes of implantable collamer lenses(ICLs)and identify the possible risk factors for ICL axis misalignment,and consequently,repositioning,explanting,or exchanging at a specialized eye hospital in Saudi Arabia.METHODS:The medical records of 813 eyes with different refractive errors corrected with ICL implantation were identified and included in this single-arm retrospective cohort study.The following data were collected:demographic characteristics,primary diagnosis,preoperative refraction,anterior chamber depth(ACD),white-to-white(WTW)measurement,endothelial cell density(ECD),and axial length.Patients’satisfaction and complaints,and their postoperative refraction,vault depth,and axis alignment with the preoperative target,were reviewed during the postoperative period.Collectively,these data were correlated with symptomatic axis rotation and the need for repositioning,explantation,or exchange due to high or low ICL vaults.RESULTS:Of 813 eyes,27(3.32%),13(1.59%),and 11(1.35%)required ICL repositioning,ICL explantation only without exchange,and ICL explantation with the placement of a new ICL,respectively.The mean follow-up period was 37.5mo.The main cause of explanation or exchange was incorrect WTW measurement in seven(29.17%)eyes,followed by high vault in four(16.56%)eyes.ICL repositioning was required in 27(3.32%)eyes with considerable rotation.Only 2(0.24%)eyes developed cataracts that required ICL removal,and retinal complications were reported in 7(0.86%)eyes.Long-term glaucoma and corneal decompensation were not observed in this cohort.CONCLUSION:With a high safety profile and reversibility,ICL implantation is a good alternative to corneal-based refractive surgery in eyes unsuitable for laser vision correction.The rate of secondary procedures in our study was 6.26%.Old age is a risk factor for secondary surgical interventions in the repositioning group,whereas abnormal vault and toric ICL rotation in the explantation group necessitated subsequent surgical procedures.Overall,ICL implantation demonstrates a good efficacy index and safety profile in patients with diverse refractive errors.
文摘BACKGROUND It is well known that in case of high initial strictures of bile ducts surgical treatment is associated with a high risk of damage to the hepatoduodenal ligament elements,often involved in rough scarring,and with a significant risk of stricture recurrence.AIM To compare the long-term outcomes of different surgical treatment options for patients with high-grade benign biliary strictures.METHODS From 2012 to 2022,193 patients were treated at the A.V.Vishnevsky Surgical Center.All of them had different levels of strictures according to Bismuth-Strasberg classification:Type E1-2 in 32 patients,type E3-99,type E4-62.123 patients underwent open reconstructive interventions,70 percutaneous endobiliary interventions.RESULTS Long-term results were available for 192(99%)patients with a follow-up of 4.7±1.6 years after reconstructive surgery;3.0±1.4 years after percutaneous interventions.Excellent and good results(according to Terblanche classification)were achieved in 35%(42/122)of patients after open reconstructive surgery and in 13%(9/70)of patients after percutaneous transhepatic interventions(P-value<0.05).CONCLUSION Technically,the most difficult bile duct strictures for reconstructive and percutaneous transhepatic interventions with a high recurrence rate are Bismuth-Strasberg type E4 and E5.The comparative analysis of long-term results of percutaneous and open procedures showed a statistically significant advantage of percutaneous procedures compared to open reconstructive procedures.
