Sigmoid and gastric tonometry during infrarenal aortic aneurysm repair

The Australian and New Zealand Journal of Surgery
R EnglundK C Hanel

Abstract

The value of the sigmoid tonometer in predicting sigmoid ischaemia and postoperative enteric organism infection has been reported but the value of tonometric measurement has been challenged. The purpose of this study was to examine the use of tonometric measurements in a series of patients undergoing infrarenal aortic aneurysm repair. We assessed the results obtained when sigmoid (n=11) and gastric (n=8) tonometry were performed in patients undergoing infrarenal aortic aneurysm repair (n=11). We measured blood flow ultrasonically (n=6) in the inferior mesenteric artery(IMA) and IMA stump pressures. Sigmoid and gastric tonometry were measured prior to clamping of the infrarenal aorta, during cross clamping and after clamp release at 1, 4, 16 and 20h. Ultrasonic flow was measured before clamping. Stump pressures in the IMA were measured before, during and after clamping. The IMA was chronically occluded in five patients. The IMA flow was 37.5 +/- 8.7 mL/min (mean +/- s.e.). The mean IMA stump pressures before, during and after clamping were 64 +/- 13, 48 +/- 8 and 69 +/- 10 mmHg, respectively, and did not differ significantly. Mean systematic arterial pressures at these times were 89 +/- 7, 95 +/- 5 and 86 +/- 8 mmHg. These did n...Continue Reading

References

Feb 1, 1987·American Journal of Surgery·J W PooleS J Boley
Apr 1, 1984·Journal of Applied Physiology: Respiratory, Environmental and Exercise Physiology·C M GrumD R Dantzker
Jul 1, 1982·The Journal of Surgical Research·R G Fiddian-GreenW M Whitehouse
Jul 1, 1994·The British Journal of Surgery·C V Soong Barros D'SA

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Citations

Aug 23, 2003·Journal of Endovascular Therapy : an Official Journal of the International Society of Endovascular Specialists·Chuh K ChongPeter L Harris

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