Paracentesis-induced circulatory dysfunction: Mechanism and effect on hepatic hemodynamics in cirrhosis
Abstract
BACKGROUND & AIMS: Therapeutic paracentesis may be associated with a circulatory dysfunction, manifested by a marked increase of the plasma renin activity and plasma norepinephrine. The aim of the study was to characterize the systemic and hepatic hemodynamic changes associated with paracentesis-induced circulatory dysfunction.
METHODS: Changes in plasma renin, aldosterone, and norepinephrine, and in systemic and hepatic hemodynamics were assessed 1 hour and 6 days after complete mobilization of ascites in 37 patients treated by total paracentesis plus intravenous dextran-70 infusion.
RESULTS: Paracentesis-induced circulatory dysfunction occurred in 10 patients (renin and norepinephrine increased from 9.0 +/- 10.5 to 28.8 +/- 19.0 ng.mL-1.h-1 and from 752.0 +/- 364.0 to 1223.0 +/- 294.0 pg/mL, respectively) and was associated with significant reduction in systemic vascular resistance (-13.0% +/- 2.6%; P < 0.05) and increase in hepatic venous pressure gradient (from 19.5 +/- 1.5 to 22.5 +/- 2.4 mm Hg; P < 0.01). In the remaining 27 patients, mobilization of ascites also induced a significant but smaller reduction in systemic vascular resistance (- 5.0% +/- 1.6%; P < 0.05) without significant changes in renin, norepinephrine, and hepatic venous pressure gradient.
CONCLUSIONS: Paracentesis-induced circulatory dysfunction is predominantly caused by an accentuation of the arteriolar vasodilation already present in untreated cirrhotic patients with ascites. The homeostatic activation of endogenous vasoactive systems may account for the increased intrahepatic vascular resistance associated with this condition.
(Gastroenterology 1997 Aug;113(2):579-86)
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AGA Clinical Practice Update on the Use of Vasoactive Drugs and Intravenous Albumin in Cirrhosis: Expert Review
2024, GastroenterologyCirrhosis is a major cause of morbidity and mortality in the United States and worldwide. It consists of compensated, decompensated, and further decompensated stages; median survival is more than 15 years, 2 years, and 9 months for each stage, respectively. With each stage, there is progressive worsening of portal hypertension and the vasodilatory–hyperdynamic circulatory state, resulting in a progressive decrease in effective arterial blood volume and renal perfusion. Vasoconstrictors reduce portal pressure via splanchnic vasoconstriction and are used in the management of variceal hemorrhage. Intravenous (IV) albumin increases effective arterial blood volume and is used in the prevention of acute kidney injury (AKI) and death after large-volume paracentesis and in patients with spontaneous bacterial peritonitis (SBP). The combination of vasoconstrictors and albumin is used in the reversal of hepatorenal syndrome (HRS-AKI), the most lethal complication of cirrhosis. Because a potent vasoconstrictor, terlipressin, was recently approved by the US Food and Drug Administration, and because recent trials have explored use of IV albumin in other settings, it was considered that a best practice update would be relevant regarding the use of vasoactive drugs and IV albumin in the following 3 specific scenarios: variceal hemorrhage, ascites and SBP, and HRS.
This expert review was commissioned and approved by the American Gastroenterological Association (AGA) Institute Clinical Practice Updates Committee and the AGA Governing Board to provide timely guidance on a topic of high clinical importance to the AGA membership. It underwent internal peer review through standard procedures of Gastroenterology. These Best Practice Advice statements were drawn from a review of the published literature and from expert opinion. Some of the statements are unchanged from published guidelines because of lack of new evidence in the literature. Because systematic reviews were not performed, these Best Practice Advice statements do not carry formal ratings regarding the quality and evidence or strength of the presented considerations.
Best Practice Advice Statements
Vasoactive drugs should be initiated as soon as the diagnosis of variceal hemorrhage is suspected or confirmed, preferably before diagnostic and/or therapeutic endoscopy.
After initial endoscopic hemostasis, vasoactive drugs should be continued for 2–5 days to prevent early rebleeding.
Octreotide is the vasoactive drug of choice in the management of variceal hemorrhage based on its safety profile.
IV albumin should be administered at the time of large-volume (>5 L) paracentesis.
IV albumin may be considered in patients with SBP.
Albumin should not be used in patients (hospitalized or not) with cirrhosis and uncomplicated ascites.
Vasoconstrictors should not be used in the management of uncomplicated ascites, after large-volume paracentesis or in patients with SBP.
IV albumin is the volume expander of choice in hospitalized patients with cirrhosis and ascites presenting with AKI.
Vasoactive drugs (eg, terlipressin, norepinephrine, and combination of octreotide and midodrine) should be used in the treatment of HRS-AKI, but not in other forms of AKI in cirrhosis.
Terlipressin is the vasoactive drug of choice in the treatment of HRS-AKI and use of concurrent albumin can be considered when accounting for patient’s volume status.
Terlipressin treatment does not require intensive care unit monitoring and can be administered intravenously through a peripheral line.
Terlipressin use is contraindicated in patients with hypoxemia and in patients with ongoing coronary, peripheral, or mesenteric ischemia, and should be used with caution in patients with acute-on-chronic liver failure grade 3. The benefits may not outweigh the risks in patients with serum creatinine >5 mg/dL and in patients listed for transplantation with a Model for End-stage Liver Disease ≥35.
Albumin administration in internal medicine: A journey between effectiveness and futility
2023, European Journal of Internal MedicineAlbumin is the most abundant circulating protein and provides about 70% of the plasma oncotic power. The molecule also carries many other biological functions (binding, transport and detoxification of endogenous and exogenous compounds, antioxidation, and modulation of inflammatory and immune responses).
Hypoalbuminemia is a frequent finding in many diseases, representing usually only a biomarker of poor prognosis rather than a primary pathophysiological event. Despite that, albumin is prescribed in many conditions based on the assumption that correction of hypoalbuminemia would lead to clinical benefits for the patients. Unfortunately, many of these indications are not supported by scientific evidence (or have been even disproved), so that a large part of albumin use is nowadays still inappropriate.
Decompensated cirrhosis is the clinical area where albumin administration has been extensively studied and solid recommendations can be made. Besides prevention and treatment of acute complications, long-term albumin administration in patients with ascites has emerged in the last decade has a potential new disease-modifying treatment. In non-hepatological settings, albumin is widely used for fluid resuscitation in sepsis and critical illnesses, with no clear superiority over crystalloids. In many other conditions, scientific evidence supporting albumin prescription is weak or even absent.
Thus, given its high cost and limited availability, action is needed to avoid the use of albumin for inappropriate and futile indications to ensure its availability in those conditions for which albumin has been demonstrated to have a real effectiveness and an advantage for the patient.
Use of albumin infusion for cirrhosis-related complications: An international position statement
2023, JHEP ReportsNumerous studies have evaluated the role of human albumin (HA) in managing various liver cirrhosis-related complications. However, their conclusions remain partially controversial, probably because HA was evaluated in different settings, including indications, patient characteristics, and dosage and duration of therapy.
Thirty-three investigators from 19 countries with expertise in the management of liver cirrhosis-related complications were invited to organise an International Special Interest Group. A three-round Delphi consensus process was conducted to complete the international position statement on the use of HA for treatment of liver cirrhosis-related complications.
Twelve clinically significant position statements were proposed. Short-term infusion of HA should be recommended for the management of hepatorenal syndrome, large volume paracentesis, and spontaneous bacterial peritonitis in liver cirrhosis. Its effects on the prevention or treatment of other liver cirrhosis-related complications should be further elucidated. Long-term HA administration can be considered in specific settings. Pulmonary oedema should be closely monitored as a potential adverse effect in cirrhotic patients receiving HA infusion.
Based on the currently available evidence, the international position statement suggests the potential benefits of HA for the management of multiple liver cirrhosis-related complications and summarises its safety profile. However, its optimal timing and infusion strategy remain to be further elucidated.
Thirty-three investigators from 19 countries proposed 12 position statements on the use of human albumin (HA) infusion in liver cirrhosis-related complications. Based on current evidence, short-term HA infusion should be recommended for the management of HRS, LVP, and SBP; whereas, long-term HA administration can be considered in the setting where budget and logistical issues can be resolved. However, pulmonary oedema should be closely monitored in cirrhotic patients who receive HA infusion.
Midodrine versus Albumin to Prevent Paracentesis Induced Circulatory Dysfunction in Acute on Chronic Liver Failure Patients in the Outpatient Clinic–a Randomized Controlled Trial
2023, Journal of Clinical and Experimental HepatologyParacentesis-induced circulatory disturbance (PICD) occurs in 12–20% of patients receiving human albumin for large-volume paracentesis, and can occur at lower than five liter paracentesis in acute-on-chronic liver failure (ACLF). Albumin infusions are associated with higher costs and more prolonged daycare admissions. The aim of the study was to determine if oral midodrine-hydrochloride can prevent PICD in these patients by increasing the mean arterial pressure (MAP).
This open-labeled randomized controlled trial included ACLF patients undergoing paracentesis between 3 and 5 L, who were randomized to receive either 20% human albumin or midodrine hydrochloride 7.5 mg thrice daily for three days, 2 h before paracentesis. MAP was recorded daily. The primary outcome was the plasma renin activity (PRA) on day six, and a 50% increase from baseline was considered PICD.
183 consecutive patients of ACLF were screened, and 50 patients were randomized to either arms. Alcohol was the most common underlying cause of cirrhosis. On day 6, PRA was non-significantly (P = 0.056) higher in the midodrine group. The absolute change of PRA between the two groups was not significant (P = 0.093). Four (16%) patients in the albumin group and five (20%) in the midodrine group developed PICD. MAP increase was not different between the albumin and midodrine arms (P = 0.851). Midodrine was found to be more cost-effective.
Three days of oral midodrine is as effective as a human-albumin infusion in preventing PICD in ACLF patients undergoing paracentesis lesser than that done in large volume paracentesis.
Management of the Adult Patient with Cirrhosis Complicated by Ascites
2022, Critical Care Nursing Clinics of North AmericaClinical Implications, Evaluation, and Management of Hyponatremia in Cirrhosis
2022, Journal of Clinical and Experimental HepatologyHyponatremia is the most common electrolyte abnormality in patients with decompensated cirrhosis on Liver Transplantation (LT) waiting list. Most of these patients have dilutional or hypervolemic hyponatremia secondary to splanchnic vasodilatation. Excessive secretion of the antidiuretic hormone also plays an important role. Hypervolemic hyponatremia is commonly associated with refractory ascites, spontaneous bacterial peritonitis, and hepatic encephalopathy. Although uncommon, the use of diuretics and laxatives can cause hypovolemic hyponatremia that is characterized by the striking absence of ascites or pedal edema. Clinical features are often nonspecific and depend on the acuity of onset rather than the absolute value of serum sodium. Symptoms may be subtle, including nausea, lethargy, weakness, or anorexia. However, rarely patients may present with confusion, seizures, psychosis, or coma. Treatment includes discontinuation of diuretics, beta-blockers, and albumin infusion. Hypertonic saline (3%) infusion may be used in patients with very low serum sodium (<110 mmol/L) or when patients present with seizures or coma. Short-term use of Vasopressin (V2) receptor antagonists may also be used to normalize sodium levels prior to LT. However, all these measures may be futile, and LT remains the definite treatment in these patients to improve survival. In this review, we describe the classification, pathogenesis of hyponatremia, and its clinical implications in patients with cirrhosis. Approach to these patients along with management will also be discussed briefly.