Peripheral Nerve Blocks versus General Anesthesia for Total Knee Replacement in Elderly Patients on the Postoperative Quality of Recovery [Expression of Concern]

Liu J, Yuan W, Wang X, et al. Clin Interv Aging. 2014;9:341-350. The Editor and Publisher of Clinical Interventions in Aging wish to publish an Expression of Concern for the published article. Concerns were raised regarding discrepancies between study details reported in the article and those reported in the corresponding clinical trial registration database. We have contacted the authors requesting they supply information that would confirm the integrity of the data reported in the article but have received no response. Therefore, as we continue to work through the issues raised, we advise readers to interpret the information presented in the article with due caution. The authors have been notified about this Expression of Concern. Read the original article