aortic clamping pressure
The minimum pressure required to achieve complete aortic occlusion during cross-clamping procedures.
Full Definition
Aortic clamping pressure refers to the specific pressure threshold that must be applied by aortic cross-clamps to ensure complete occlusion of the aorta during surgical procedures. This parameter is critical for surgical planning and safety, as insufficient clamping pressure can result in continued blood flow and inadequate surgical field control, while excessive pressure may cause tissue damage or clamp-related complications. The pressure requirements vary based on aortic wall thickness, calcification, and patient-specific anatomy. Proper documentation of clamping pressures is essential for surgical reports and post-operative assessment.
Usage
Usage note: Should not be confused with general aortic blood pressure measurements; specifically refers to external mechanical pressure applied by surgical clamps.
In Context
- "The surgeon adjusted the aortic clamping pressure to 180 mmHg to ensure complete vessel occlusion." — operative report
- "Inadequate aortic clamping pressure resulted in persistent bleeding during the anastomosis." — case study