Dexmedetomidine in combination with morphine improves postoperative analgesia and sleep quality in elderly patients after open abdominal surgery: A pilot randomized control trial

• Huai-Jin Li ,

  Contributed equally to this work with: Huai-Jin Li, Chun-Jing Li

  Roles Project administration, Writing – original draft

  Affiliation Department of Anesthesiology and Critical Care, Peking University First Hospital, Beijing, China

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• Chun-Jing Li ,

  Contributed equally to this work with: Huai-Jin Li, Chun-Jing Li

  Roles Project administration

  Affiliation Department of Anesthesiology and Critical Care, Peking University First Hospital, Beijing, China

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• Xiao-Na Wei,

  Roles Project administration

  Affiliation Department of Anesthesiology, Handan Central Hospital, Handan, Hebei, China

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• Jian Hu,

  Roles Project administration

  Affiliation Department of Anesthesiology and Critical Care, Peking University First Hospital, Beijing, China

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• Dong-Liang Mu ,

  Roles Methodology, Project administration, Writing – review & editing

  * E-mail: mudongliang@icloud.com

  Affiliation Department of Anesthesiology and Critical Care, Peking University First Hospital, Beijing, China

  http://orcid.org/0000-0003-1092-9473

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• Dong-Xin Wang

  Roles Writing – review & editing

  Affiliation Department of Anesthesiology and Critical Care, Peking University First Hospital, Beijing, China

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