Expression of concern for

• Predictors of neurocognitive decline after carotid endarterectomy.

  Mocco J, Wilson DA, Komotar RJ, Zurica J, Mack WJ, Halazun HJ, Hatami R, Sciacca RR, Connolly ES Jr, Heyer EJ. Mocco J, et al. Neurosurgery. 2006 May;58(5):844-50; discussion 844-50. doi: 10.1227/01.NEU.0000209638.62401.7E. Neurosurgery. 2006. PMID: 16639318 Free PMC article.
• Phosphodiesterase 4D single-nucleotide polymorphism 83 and cognitive dysfunction in carotid endarterectomy patients.

  Heyer EJ, Mergeche JL, Ward JT, Malone HR, Kellner C, Bruce SS, Connolly ES. Heyer EJ, et al. Neurosurgery. 2013 Nov;73(5):791-6; discussion 796. doi: 10.1227/NEU.0000000000000085. Neurosurgery. 2013. PMID: 23863764 Free PMC article.
• Arterial blood pressure management during carotid endarterectomy and early cognitive dysfunction.

  Heyer EJ, Mergeche JL, Anastasian ZH, Kim M, Mallon KA, Connolly ES. Heyer EJ, et al. Neurosurgery. 2014 Mar;74(3):245-51; discussion 251-3. doi: 10.1227/NEU.0000000000000256. Neurosurgery. 2014. PMID: 24335822 Free PMC article.
• Impact of Cognitive Dysfunction on Survival in Patients With and Without Statin Use Following Carotid Endarterectomy.

  Heyer EJ, Mergeche JL, Wang S, Gaudet JG, Connolly ES. Heyer EJ, et al. Neurosurgery. 2015 Dec;77(6):880-7. doi: 10.1227/NEU.0000000000000904. Neurosurgery. 2015. PMID: 26308635