International Clinical Trial: Association of Intraoperative Hypotension with Unplanned Reoperation after Head and Neck Free Flap Reconstruction: A Retrospective Case-Control Study Introduction

Geneva, April 20 -- International Clinical Trials Registry received information related to the study (ChiCTR2600122154) titled 'Association of Intraoperative Hypotension with Unplanned Reoperation after Head and Neck Free Flap Reconstruction: A Retrospective Case-Control Study Introduction' on April 9.

Study Type: Observational study

Study Design: Sequential

Primary Sponsor: Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine

Condition: hypotension head, neck and maxillofacial tumors

Intervention: Non-reoperation group:NA

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-04-11

Target Sample Size: Non-reoperation group:500;Unplanned reoperation group:250;

Countries o...