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  • VTE increases risk of...

VTE increases risk of flap failure after head and neck free flap surgery: Study

Written By : Dr. Nandita Mohan |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2021-09-14T09:00:00+05:30  |  Updated On 14 Sept 2021 9:00 AM IST
VTE increases risk of flap failure after head and neck free flap surgery: Study
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According to a recent research, it has been found out that patients with a history of venous thromboembolism (VTE) may be at an increased risk for free flap compromise secondary to postoperative pedicle thrombosis.

The study is published in the Journal of Otolaryngology- Head and Neck Surgery.

Meghan M. Crippen and colleagues from the Department of Otolaryngology–Head and Neck Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania, USA carried out the present study with the sole objective to investigate if a history of venous thromboembolism (VTE) is a risk factor for complications in head and neck free flap surgery by assessing outcomes among patients with a history of deep vein thrombosis (DVT) and/or pulmonary embolism (PE).

The authors carried out a retrospective cohort study at a single tertiary care center. All patients undergoing head and neck free flap reconstruction at the institution, were assessed for inclusion. Patients with and without a history of DVT or PE preoperatively were identified and grouped for comparison.

Groups were compared for demographics, comorbidities, and 30-day complications. Significance was assessed with chi-square and binary logistic regression analyses.

The following results were observed-

  1. Of the 1061 patients meeting inclusion criteria, 40 (3.8%) had a history of VTE.
  2. These patients were significantly older (mean [SD], years: 67.8 [11.7] vs 63.0 [14.1], P = .038) and significantly more likely to have history of chemotherapy (35.0% vs 18.7%, P = .010) and stroke (27.5% vs 4.5%, P < .001).
  3. After accounting for patient characteristics via binary logistic regression, VTE was independently associated with an increased risk for postoperative thrombosis of the free flap pedicle (odds ratio [95% CI] = 3.65 [1.12-11.90], P = .032) and reoperation (2.45 [1.25-4.80], P = .009).
  4. Patients with history of PE had a significantly increased risk for flap failure (7.70 [1.77-33.52], P = .007).
  5. Prior VTE was not independently associated with an increased risk for medical complications or readmission.

Therefore, the authors concluded that "patients with a history of VTE may be at an increased risk for free flap compromise secondary to postoperative pedicle thrombosis. This risk should be considered in preoperative workup and postoperative monitoring."


venous thromboembolismhigh riskhead and neck free flap reconstructionfree flap reconstructionJournal of Otolaryngology- Head and Neck Surgery
Source : Journal of Otolaryngology- Head and Neck Surgery
Dr. Nandita Mohan
Dr. Nandita Mohan

    Dr. Nandita Mohan is a practicing pediatric dentist with more than 5 years of clinical work experience. Along with this, she is equally interested in keeping herself up to date about the latest developments in the field of medicine and dentistry which is the driving force for her to be in association with Medical Dialogues. She also has her name attached with many publications; both national and international. She has pursued her BDS from Rajiv Gandhi University of Health Sciences, Bangalore and later went to enter her dream specialty (MDS) in the Department of Pedodontics and Preventive Dentistry from Pt. B.D. Sharma University of Health Sciences. Through all the years of experience, her core interest in learning something new has never stopped. She can be contacted at editorial@medicaldialogues.in. Contact no. 011-43720751

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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