The relationship of abdominal perfusion pressure with mortality in critically ill pediatric patients

Ozden Ozgur Horoz1, Dincer Yildizdas1, Yusuf Sari1

  • 1Department of Pediatric Intensive Care Unıt, Çukurova University, School of Medicine, Adana, Turkey.

Insights

Abdominal perfusion pressure (APP) can predict mortality in critically ill children with intra-abdominal hypertension (IAH). Lower APP levels indicate a higher risk of death, suggesting APP is a valuable clinical tool.

Area of Science:

  • Pediatric Critical Care Medicine
  • Hemodynamic Monitoring
  • Intra-abdominal Hypertension (IAH) Management

Background:

  • Limited data exists on the clinical utility of abdominal perfusion pressure (APP) in critically ill children.
  • Intra-abdominal hypertension (IAH) is a serious condition in critically ill pediatric patients, associated with increased morbidity and mortality.

Purpose of the Study:

  • To investigate the clinical utility of abdominal perfusion pressure (APP) in predicting survival in critically ill children with IAH.
  • To establish APP as a potential prognostic marker in pediatric intensive care.

Main Methods:

  • Prospective cohort study including 35 pediatric patients (1 month to 18 years) at risk for IAH.
  • Serial measurements of intra-abdominal pressure (IAP) and mean arterial pressure (MAP) were performed.
  • Abdominal perfusion pressure (APP) was calculated as MAP-IAP.

Main Results:

  • Overall mortality rate was 49%.
  • A decrease in minimum APP was significantly associated with an increased risk for mortality (OR 1.052 per 1 mmHg decrease, p<0.05).
  • Receiver operating characteristic (ROC) curve analysis showed an area under the curve of 0.765 for minAPP in predicting mortality, with an optimal cut-off of 53 mmHg.

Conclusions:

  • Abdominal perfusion pressure (APP) appears to be a useful tool for predicting mortality in critically ill children with IAH.
  • Interventions aimed at improving APP may lead to better outcomes in this patient population.
Abstract

Related Concept Videos

Pressure Relationships in Thoracic Cavity01:24

Pressure Relationships in Thoracic Cavity

Breathing, otherwise known as pulmonary ventilation, is the process of air movement into and out of the lungs. The main mechanisms propelling pulmonary ventilation are atmospheric pressure (Patm), intra-pulmonary (Ppul ) or intra-alveolar pressure (Palv) within the alveoli, and intrapleural pressure (Pip) within the pleural cavity.
Breathing Mechanisms
Both intra-alveolar and intrapleural pressures rely on specific lung properties. The ability to breathe—allowing air to enter the lungs...
6.5K
Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
259
Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

Pharmacokinetics in Pediatric Patients: Drug Distribution

Drug distribution in the pediatric population exhibits unique challenges and considerations due to the physiological differences between children, particularly neonates and infants, and adults. A crucial aspect of pediatric pharmacology is understanding how these differences impact the pharmacokinetics of various drugs, necessitating age-specific dosing strategies to ensure efficacy and safety.Neonates and infants have a higher total body water content, ~75%–90% of their body weight,...
304
Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses...
223
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...
292
Relationship Formation02:12

Relationship Formation

What do you think is the single most influential factor in determining with whom you become friends and whom you form romantic relationships? You might be surprised to learn that the answer is simple: the people with whom you have the most contact. This most important factor is proximity. You are more likely to be friends with people you have regular contact with. For example, there are decades of research that shows that you are more likely to become friends with people who live in your dorm,...
46.2K