Related Experiment Videos
Long-acting somatostatin analogues decrease blood transfusion requirements in patients with refractory
1Department of Gastroenterology, Avicenne Hospital, APHP, Bobigny, France.
Alimentary Pharmacology & Therapeutics
|July 27, 2012
Summary
Long-acting somatostatin analogues significantly reduced blood transfusions and bleeding episodes in patients with refractory gastrointestinal angiodysplasias (GIADs), improving hemoglobin levels.
Area of Science:
- Gastroenterology
- Internal Medicine
- Pharmacology
Background:
- Gastrointestinal angiodysplasias (GIADs) are a common cause of recurrent gastrointestinal bleeding.
- Endoscopic treatments for GIADs are not always effective, leading to refractory bleeding.
Purpose of the Study:
- To evaluate the efficacy of long-acting somatostatin analogues in managing refractory bleeding from GIADs.
- To assess the impact on blood transfusion requirements, bleeding frequency, and hemoglobin levels.
Main Methods:
- A cohort of 15 patients with recurrent GIAD bleeding received somatostatin analogue treatment for at least 6 months.
- Efficacy was measured by comparing transfusion needs, bleeding episodes, and hemoglobin levels during treatment versus a 6-month pre-treatment period.
Main Results:
- Somatostatin analogue treatment led to a significant decrease in blood transfusions (median 2 vs. 10, P < 0.001).
- The percentage of patients experiencing bleeding events dropped from 73% to 20% (P = 0.01).
- Mean hemoglobin levels significantly increased during treatment (median 10 g/dL vs. 7 g/dL, P < 0.001).
Conclusions:
- Long-acting somatostatin analogues effectively reduce transfusion needs in patients with refractory GIAD bleeding.
- Treatment improved bleeding control and hemoglobin levels with no reported side effects leading to discontinuation.
- Somatostatin analogues offer a viable management option for chronic bleeding due to GIADs.
Related Concept Videos
Glucagon-like Receptor Agonists
Incretins include glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP), which stimulate insulin secretion post-meals. In type 2 diabetes, GIP's efficacy is reduced, making GLP-1 a viable drug target. GIP originates from preproGIP.
GLP-1, when administered in high doses intravenously, triggers insulin secretion, inhibits glucagon release, slows gastric emptying, reduces food intake, and restores normal insulin secretion. However, its rapid inactivation by the...
GLP-1, when administered in high doses intravenously, triggers insulin secretion, inhibits glucagon release, slows gastric emptying, reduces food intake, and restores normal insulin secretion. However, its rapid inactivation by the...
Esophageal Varices-II: Clinical Features and Management
Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...
Enteral Nutrition II: Nasointestinal and Gastrostomy Feeding
Enteral nutrition encompasses various methods of delivering nutrition directly to the gastrointestinal (GI) tract, bypassing traditional oral intake. It is particularly beneficial for patients who cannot eat by mouth but have a functioning digestive system. Key methods include nasointestinal feeding, gastrostomy, and jejunostomy, each suited to different clinical scenarios based on the patient's needs and condition.
Nasointestinal Feeding
Nasointestinal feeding involves placing a tube through...
Nasointestinal Feeding
Nasointestinal feeding involves placing a tube through...
Peptic Ulcer Disease IV: Management
Medical treatment strategies for peptic ulcers encompass various methods. The primary goal of treatment is to diminish gastric acidity and strengthen mucosal defense mechanisms.
The therapeutic approach involves ensuring adequate rest, implementing drug therapy, promoting smoking cessation, making dietary modifications, and emphasizing long-term follow-up care.
Pharmacological management
The prevailing therapy for peptic ulcers involves a combination of managing the patient's current medication...
The therapeutic approach involves ensuring adequate rest, implementing drug therapy, promoting smoking cessation, making dietary modifications, and emphasizing long-term follow-up care.
Pharmacological management
The prevailing therapy for peptic ulcers involves a combination of managing the patient's current medication...
Oral Hypoglycemic Agents: α-Glucosidase Inhibitors
α-glucosidase inhibitors, including acarbose (Precose), miglitol (Glyset), and voglibose (Voglib) (primarily available in Asia), are drugs that control blood sugar levels by delaying the digestion of starch and disaccharides. They achieve this by inhibiting α-glucosidase enzymes in the intestine, which slow the absorption of carbohydrates in the intestine, which in turn leads to a prolonged release of the glucoregulatory hormone GLP-1 from intestinal L-cells.
Acarbose and miglitol are typically...
Acarbose and miglitol are typically...
Drugs Affecting GI Tract Motility: Dopamine Receptor Antagonists
Prokinetic agents are specialized medications that stimulate gastrointestinal (GI) motility, promoting food movement through the GI tract. Dopamine, an inhibitory neurotransmitter, plays a significant role in this process, reducing GI motility and indirectly controlling the speed of digestion. Dopamine receptor antagonists, such as metoclopramide and domperidone, offer a unique advantage as prokinetic agents. By blocking the dopamine receptors, these drugs increase GI motility, improving food...