Role Faculty Category Clinical Publications In reply to comment on: "Risk of cardiac events after elective versus urgent or emergent noncardiac surgery: Implications for quality measurement and improvement". Yap EN Risk of cardiac events after elective versus urgent or emergent noncardiac surgery: Implications for quality measurement and improvement. Yap EN, Dusendang JR, Ng KP, Keny HV, Webb CA, Weyker PD, Thoma MS, Solomon MD, Herrinton LJ Limitations to Health Care Quality Measurement: Assessing Hospital Variation in Risk of Cardiac Events After Noncardiac Surgery. Yap EN, Dusendang JR, Ng KP, Keny HV, Solomon MD, Cohn BR, Corley DA, Herrinton LJ Extraplexus versus intraplexus ultrasound-guided interscalene brachial plexus block for ambulatory arthroscopic shoulder surgery: A randomized controlled trial. Harbell MW, Kolodzie K, Behrends M, Ma CB, Kinjo S, Yap E, Braehler MR, Aleshi P Editorial Commentary: Neuraxial Anesthesia Improves Pain After Hip Arthroscopy but Risks Ambulatory Discharge Delay. Yap EN, Behrends M Preoperative Fascia Iliaca Block Does Not Improve Analgesia after Arthroscopic Hip Surgery, but Causes Quadriceps Muscles Weakness: A Randomized, Double-blind Trial. Behrends M, Yap EN, Zhang AL, Kolodzie K, Kinjo S, Harbell MW, Aleshi P Improved analgesia and reduced post-operative nausea and vomiting after implementation of an enhanced recovery after surgery (ERAS) pathway for total mastectomy. Chiu C, Aleshi P, Esserman LJ, Inglis-Arkell C, Yap E, Whitlock EL, Harbell MW Attempting to prevent persistent postamputation phantom limb and stump pain. Cheah J, Yap E, Naidu R