The Correlation of Intraabdominal Pressure With Renal Resistive Index

Candan, Yeliz; Akıncı, Melih; Eraslan, Önder; Yılmaz, Kerim Bora; Karabacak, Harun; Dural, Halil İbrahim; Tatar, İdil Güneş; Kaya, İsmail

doi:10.1016/j.jss.2020.03.024

Cited by 10 publications

(11 citation statements)

References 17 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Among intrarenal factors, RRI is primarily influenced by RCWP. Renal parenchyma injury or compression of adjacent tissues may increase RCWP, which is followed by increasing RRI; e.g., renal interstitial edema by renal parenchymal inflammation; vascular compression by the urinary obstruction; intraabdominal hypertension, and even exerting sufficient pressure on the kidney ( Kirkpatrick et al, 2007 ; Di Nicolò and Granata, 2017 ; Candan et al, 2020 ). Systemic hemodynamic impactors such as heart failure with a higher central venous pressure (CVP) lead to systemic venous congestion, which increases the RCWP simultaneously ( Mullens et al, 2009 ).…”

Section: Intrarenal Doppler In Assessing Renal Arteriesmentioning

confidence: 99%

Intrarenal Doppler approaches in hemodynamics: A major application in critical care

et al. 2022

View full text Add to dashboard Cite

The treatment of severe cases usually requires multimodality hemodynamic monitoring approaches, particularly for tissue and organ perfusion tracking. Currently, only a few studies have investigated renal perfusion status at the bedside. Ultrasound has become increasingly utilized to guide the hemodynamic management of severe patients. Similarly, intrarenal Doppler (IRD) is widely used to assess renal perfusion from both the intrarenal artery and vein perspectives. The renal resistive index (RRI), which reflects the renal arterial blood flow profile, is often applied to predict the reversibility of renal dysfunction and to titrate hemodynamic support. Intrarenal venous flow (IRVF) patterns and the renal venous stasis index (RVSI), which reflects the intrarenal vein blood flow profile, are now being used to assess intravenous congestion. They may also be useful in predicting the risk of acute kidney injury and avoiding fluid overload. IRD can provide diverse and supplemental information on renal perfusion and may help to establish the early diagnosis in severe patients. This review focused on the specific operational methods, influencing factors, and applications of IRD in hemodynamics.

show abstract

Section: Intrarenal Doppler In Assessing Renal Arteriesmentioning

confidence: 99%

Intrarenal Doppler approaches in hemodynamics: A major application in critical care

et al. 2022

View full text Add to dashboard Cite

show abstract

“…RRI measurement, an easy-to-reproduce Doppler ultrasound study, has been used to predict AKI in ICU and postoperative settings 46 , 47 , as well as DGF, acute rejection or long-term mortality in renal transplant recipients 48 – 50 . We hypothesize that, in the early post-transplant period, augmented IAP may compress the inferior vena cava and renal vasculature, reducing cardiac output and venous return while increasing the RRI, a relationship that has already been observed in humans 24 . As a consequence, the reduction in renal blood flow can extend in time the post-operative acute tubular necrosis, impairing the urine output, facilitating the development of DGF, and providing a pathological link between increasing IAP and absence of recovery of kidney graft function.…”

Section: Discussionmentioning

confidence: 73%

“…Moreover, the severity of IAH has been linearly correlated with renal artery resistive index (RRI) both in experimental models and humans 23 , 24 . In subjects with hepatorenal syndrome and tense ascites, paracentesis was associated with a significant decrease in IAP and RRI and increased renal blood flow, creatinine clearance and urine output 25 .…”

Section: Introductionmentioning

confidence: 99%

Impact of intra-abdominal pressure on early kidney transplant outcomes

Coca

Arias-Cabrales

Pérez‐Sáez

et al. 2022

Sci Rep

View full text Add to dashboard Cite

Increased intra-abdominal pressure (IAP) is common among post-surgical patients and may cause organ dysfunction. However, its impact after kidney transplantation on early postoperative complications and graft recovery remains unclear. We designed a prospective, observational cohort study to describe the prevalence and determinants of IAP, as well as its effect on delayed graft function, postoperative complications, and graft recovery. IAP was measured in 205 kidney transplant recipients every 8 h during the first 72 h after surgery using the urinary bladder technique. Intra-abdominal hypertension was defined as IAP ≥ 12 mmHg. Patients were followed for 6 months or until graft failure/death. Mean IAP was 12 ± 3.3 mmHg within the first 24 h. 78% of subjects presented with intra-abdominal hypertension during the first 72 h. Increased IAP was associated with higher renal resistive index [r = 0.213; P = 0.003] and lower urine output [r = − 0.237; P < 0.001]. 72 h mean IAP was an independent risk factor for delayed graft function [OR: 1.31; 95% CI: 1.13–1.51], postoperative complications [OR: 1.17; 95% CI: 1.03–1.33], and absence of graft function recovery [HR for graft function recovery: 0.94; 95% CI: 0.88–0.99]. Increased IAP was highly prevalent after transplantation and was independently associated with delayed graft function, postoperative complications, and absence of graft function recovery. Routine IAP monitoring should be considered post-transplantation to facilitate early recognition of relevant complications.

show abstract

“…Looking at the above mentioned causes of IAH/ACS, it may be concluded that most of them are acute conditions requiring emergency specialist intervention. Candan et al (10) published a study assessing the degree of correlation between IAH and increased renal arterial resistive index (RI). Increased RI was found in 53 (66%) out of 80 IAH patients, mainly in those with diabetes.…”

Section: Conflict Of Interestmentioning

confidence: 99%

Ultrasonography in the diagnosis and monitoring of intra-abdominal hypertension and abdominal compartment syndrome

2020

View full text Add to dashboard Cite

Despite their considerable clinical significance, intra-abdominal hypertension and abdominal compartment syndrome are rarely discussed in the context of ultrasonography. They occur in critically ill patients, usually hospitalized in intensive care units. Early diagnosis of these conditions is of key importance for prognosis as it allows for proper treatment and prevents high mortality. Although there are various methods for the assessment of intra-abdominal pressure, a measurement using a sensor-equipped catheter placed in the bladder is the gold standard. However, this technique does not allow to identify the etiology of the problem, which is usually resolved by analyzing patient’s clinical data supported by imaging findings. Computed tomography is most often used for this purpose. Recent years have proved that point-of-care ultrasonography is also useful in this respect. This issue has become the basis for developing this review paper, which describes the opinion of the experts of the World Society of the Abdominal Compartment Syndrome on the nomenclature, classification and diagnosis of intra-abdominal hypertension. We also presented preliminary data on the role of ultrasound in the diagnosis and monitoring of intra-abdominal hypertension and the contribution of this modality to the choice of appropriate treatment for patients presenting with this clinical condition. A multi-center study used point-of-care ultrasonography to assess the position of a g-tube in the stomach and its contents, intraluminal content status and bowel motor function, the monitoring of gastric drainage and forced intestinal evacuation, the presence of ascites and ascitic status without and after paracentesis. Even when simplified, the method was found to be very useful.

show abstract

The Correlation of Intraabdominal Pressure With Renal Resistive Index

Cited by 10 publications

References 17 publications

Intrarenal Doppler approaches in hemodynamics: A major application in critical care

Intrarenal Doppler approaches in hemodynamics: A major application in critical care

Impact of intra-abdominal pressure on early kidney transplant outcomes

Ultrasonography in the diagnosis and monitoring of intra-abdominal hypertension and abdominal compartment syndrome

Contact Info

Product

Resources

About