Related Experiment Video
Updated: May 6, 2026

Deep Neuromuscular Blockade Leads to a Larger Intraabdominal Volume During Laparoscopy
Published on: June 25, 2013
Are standard intra-abdominal pressure values different during pregnancy?
Florent Fuchs1, Marie Bruyere, Marie-Victoire Senat
1Department of Obstetrics and Gynecology. Hôpital Bicêtre, Assistance Publique Hôpitaux de Paris, Le Kremlin-Bicêtre, France ; Inserm, Centre for research in Epidemiology and Population Health, Unit 1018, Reproduction and child development, Villejuif, France ; Paris-Sud University, Unit 1018, Villejuif, France.
Intra-abdominal pressure (IAP) is higher before cesarean delivery than after. This finding is crucial for managing potential organ dysfunction following cesarean birth.
Area of Science:
- Critical Care Medicine
- Obstetrics and Gynecology
- Surgical Physiology
Background:
- Intra-abdominal pressure (IAP) monitoring is vital for intensive care unit (ICU) patients.
- Standard IAP values during pregnancy are not well-established.
- Cesarean delivery can impact intra-abdominal pressure.
Purpose of the Study:
- To assess intra-abdominal pressure (IAP) in pregnant women before and after cesarean delivery.
- To define standard IAP values in term pregnancies.
- To understand IAP dynamics in the perioperative period of cesarean delivery.
Main Methods:
- Prospective study conducted in a tertiary care center from January to December 2011.
- Included 70 women undergoing elective cesarean delivery at term with uneventful pregnancies.
- IAP measured via Foley catheter in the bladder under spinal anesthesia before and during the first two hours post-cesarean delivery.
Main Results:
- Mean preoperative IAP was 14.2 mmHg, significantly higher than the immediate postoperative measurement of 11.5 mmHg (p = 0.002).
- IAP remained stable during the two hours following the initial postoperative measurement (p = 0.2).
- Obese patients exhibited significantly higher preoperative IAP (15.7 mmHg) compared to non-obese patients (12.4 mmHg, p = 0.02).
Conclusions:
- Intra-abdominal pressure (IAP) is significantly elevated in term pregnancies prior to delivery compared to the postpartum period.
- Postoperative IAP levels remain elevated for at least two hours, comparable to classical abdominal surgery.
- Understanding these physiological IAP changes aids in preventing organ dysfunction and abdominal compartment syndrome after cesarean delivery.
Related Concept Videos
Pressure Relationships in Thoracic Cavity
Breathing Mechanisms
Both intra-alveolar and intrapleural pressures rely on specific lung properties. The ability to breathe—allowing air to enter the lungs...
Pulmonary Ventilation: Inhalation
Boyle's law becomes particularly pertinent when examining respiratory...
Special considerations while measuring blood pressure
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
Appendicitis-I: Introduction
Etiology: Appendicitis can arise from various causes, primarily rooted in the obstruction of the appendix lumen. Factors contributing to this obstruction include fecal accumulation, lymphoid hyperplasia and, in...
Sites for measuring blood pressure
The Brachial Artery: Primary Site for Blood Pressure Measurement
Increased Intracranial Pressure l: Introduction

