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Is There Any Association between PEEP and Upper Extremity DVT?

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Positive end-exploratory pressure (PEEP) does not increase the risk of upper extremity deep vein thrombosis (UEDVT). Congestive heart failure is a risk factor, while longer mechanical ventilation duration decreases UEDVT risk.

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Area of Science:

  • Critical Care Medicine
  • Vascular Surgery
  • Pulmonary Medicine

Background:

  • Positive end-exploratory pressure (PEEP) is a mechanical ventilation setting that may theoretically increase venous stasis.
  • Upper extremity deep vein thrombosis (UEDVT) is a serious complication in critically ill patients.

Purpose of the Study:

  • To investigate the association between PEEP levels and the incidence of UEDVT.
  • To identify risk factors for UEDVT in mechanically ventilated patients.

Main Methods:

  • Retrospective case-control study of 112 medical intensive care unit patients.
  • Patients required mechanical ventilation for over 72 hours and underwent duplex ultrasound for suspected DVT.
  • Data collected included PEEP levels, duration of mechanical ventilation, and patient comorbidities.

Main Results:

  • The incidence of UEDVT was 28.5% (32/112 patients).
  • Congestive heart failure (CHF) was significantly associated with increased UEDVT risk (OR 4.53).
  • Longer duration of mechanical ventilation (≥13 days) was associated with a reduced risk of UEDVT (OR 0.29).
  • No association was found between PEEP levels and UEDVT incidence.

Conclusions:

  • PEEP is not associated with an increased risk of UEDVT.
  • CHF is a significant risk factor for UEDVT.
  • Prolonged mechanical ventilation may have a protective effect against UEDVT.