What question did this study set out to answer?

To evaluate the effectiveness and safety of head-up positioning in achieving low central venous pressure during major hepatectomies.

May 16, 2026Open Access

Feasibility of using head up patient position in maintaining low central venous pressure and restricting the need for pharmacological agents during major hepatectomy

Puntos clave

To evaluate the effectiveness and safety of head-up positioning in achieving low central venous pressure during major hepatectomies.
Prospective study involving 50 patients undergoing major hepatectomies from 2019 to 2024.
Measured central venous pressure in supine, 10 cm, and 20 cm head-up positions during liver resection.
Used regression analysis to assess the relationship between CVP positions and the need for pharmacological intervention.
Achieved low central venous pressure effectively with a 20 cm head-up position.
Limited the need for supplemental pharmacological intervention in most patients.

Resumen

Backgrounds/Aims: Head-up position is used with fluid restriction and medications to achieve low central venous pressure (LCVP). We evaluated application of head-up position for its effectiveness, safety and potential to reduce need for complex drug interventions in achieving LCVP during hepatectomy. Methods: This prospective study included 50 patients undergoing major hepatectomies from 2019 to 2024. CVP was measured in supine, 10 cm and 20 cm head-up positions during liver resection. We assessed relationship between supine CVP and head-up positions with the need for supplemental pharmacological intervention using regression analysis. Additionally, we evaluated correlation between LCVP fluctuation, blood loss, and head-up position. Results: = 0.006). Conclusions: LCVP can be effectively achieved using a 20 cm head-up position, with the potential to limit drug usage in the majority of patients.

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